New features: Mirror line, Fold line.

ChangeLog.txt

@@ -60,6 +60,8 @@
 - Optimize U-notch shape.
 - New feature. Boundary together with notches.
 - Puzzle app. Horizontal piece flipping.
+- Mirror line.
+- Fold line.
 
 # Valentina 0.7.52 September 12, 2022
 - Fix crash when default locale is ru.

src/app/puzzle/layout/vplayoutsettings.cpp

@@ -404,3 +404,15 @@ auto VPLayoutSettings::IsBoundaryTogetherWithNotches() const -> bool
 {
     return m_togetherWithNotches;
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+void VPLayoutSettings::SetCutOnFold(bool value)
+{
+    m_cutOnFold = value;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VPLayoutSettings::IsCutOnFold() const -> bool
+{
+    return m_cutOnFold;
+}

src/app/puzzle/layout/vplayoutsettings.h

@@ -322,6 +322,9 @@ public:
     void SetBoundaryTogetherWithNotches(bool value);
     auto IsBoundaryTogetherWithNotches() const -> bool;
 
+    void SetCutOnFold(bool value);
+    auto IsCutOnFold() const -> bool;
+
 private:
     Unit m_unit{Unit::Cm};
 
@@ -382,6 +385,7 @@ private:
     bool m_showTileNumbers{false};
 
     bool m_togetherWithNotches{false};
+    bool m_cutOnFold{false};
 };
 
 #endif // VPLAYOUTSETTINGS_H

src/app/puzzle/layout/vppiece.cpp

@@ -32,12 +32,12 @@
 #include "../vgeometry/vlayoutplacelabel.h"
 #include "../vlayout/vlayoutpiecepath.h"
 #include "../vlayout/vtextmanager.h"
-#include "qline.h"
-#include "vpiecegrainline.h"
+#include "../vwidgets/vpiecegrainline.h"
 #include "vplayout.h"
 #include "vpsheet.h"
 
 #include <QIcon>
+#include <QLine>
 #include <QLoggingCategory>
 #include <QPainter>
 #include <QPainterPath>
@@ -123,7 +123,7 @@ auto ClosestDistance(const QVector<QPointF> &path1, const QVector<QPointF> &path
     {
         for (auto p2 : path2)
         {
-            QLineF d(p1, p2);
+            QLineF const d(p1, p2);
             if (d.length() <= distance)
             {
                 distance = d.length();
@@ -141,11 +141,6 @@ VPPiece::VPPiece(const VLayoutPiece &layoutPiece)
   : VLayoutPiece(layoutPiece)
 {
     ClearTransformations();
-
-    if (IsForceFlipping())
-    {
-        FlipVertically();
-    }
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -167,6 +162,18 @@ void VPPiece::Update(const VPPiecePtr &piece)
     SetPieceLabelData(piece->GetPieceLabelData());
     SetPatternLabelRect(piece->GetPatternLabelRect());
     SetPatternLabelData(piece->GetPatternLabelData());
+    SetSeamMirrorLine(piece->GetSeamMirrorLine());
+    SetSeamAllowanceMirrorLine(piece->GetMappedSeamAllowanceMirrorLine());
+    SetFoldLineLabel(piece->GetFoldLineLabel());
+    SetFoldLineLabelAlignment(piece->GetFoldLineLabelAlignment());
+    SetFoldLineType(piece->GetFoldLineType());
+    SetFoldLineSvgFontSize(piece->GetFoldLineSvgFontSize());
+    SetFoldLineLabelFontItalic(piece->IsFoldLineLabelFontItalic());
+    SetFoldLineLabelFontBold(piece->IsFoldLineLabelFontBold());
+    SetFoldLineOutlineFont(piece->GetFoldLineOutlineFont());
+    SetFoldLineSVGFontFamily(piece->GetFoldLineSVGFontFamily());
+    SetFoldLineHeight(piece->GetFoldLineHeight());
+    SetFoldLineWidth(piece->GetFoldLineWidth());
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -202,6 +209,11 @@ void VPPiece::ClearTransformations()
 
     SetVerticallyFlipped(false);
     SetHorizontallyFlipped(false);
+
+    if (IsForceFlipping())
+    {
+        FlipVertically();
+    }
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -291,7 +303,7 @@ void VPPiece::SetGrainline(const VPieceGrainline &grainline)
 void VPPiece::FlipVertically()
 {
     QTransform pieceMatrix = GetMatrix();
-    QPointF center = pieceMatrix.map(DetailBoundingRect().center());
+    QPointF const center = pieceMatrix.map(DetailBoundingRect().center());
 
     QTransform m;
     m.translate(center.x(), 0);
@@ -307,7 +319,7 @@ void VPPiece::FlipVertically()
 void VPPiece::FlipHorizontally()
 {
     QTransform pieceMatrix = GetMatrix();
-    QPointF center = pieceMatrix.map(DetailBoundingRect().center());
+    QPointF const center = pieceMatrix.map(DetailBoundingRect().center());
 
     QTransform m;
     m.translate(0, center.y());
@@ -322,85 +334,52 @@ void VPPiece::FlipHorizontally()
 //---------------------------------------------------------------------------------------------------------------------
 auto VPPiece::StickyPosition(qreal &dx, qreal &dy) const -> bool
 {
-    VPLayoutPtr layout = Layout();
+    VPLayoutPtr const layout = Layout();
     if (layout.isNull() || not layout->LayoutSettings().GetStickyEdges())
     {
         return false;
     }
 
-    const qreal pieceGap = layout->LayoutSettings().GetPiecesGap();
-    if (pieceGap <= 0)
-    {
-        return false;
-    }
-
-    VPSheetPtr sheet = Sheet();
+    VPSheetPtr const sheet = Sheet();
     if (sheet.isNull())
     {
         return false;
     }
 
-    QList<VPPiecePtr> allPieces = sheet->GetPieces();
+    VStickyDistance match;
 
-    if (allPieces.count() < 2)
+    if (!StickySheet(match))
     {
         return false;
     }
 
-    QVector<QPointF> path;
-    CastTo(GetMappedExternalContourPoints(), path);
-    QRectF boundingRect = VLayoutPiece::BoundingRect(path);
-    const qreal stickyDistance = pieceGap + minStickyDistance;
-    QRectF stickyZone = QRectF(boundingRect.topLeft().x() - stickyDistance, boundingRect.topLeft().y() - stickyDistance,
-                               boundingRect.width() + stickyDistance * 2, boundingRect.height() + stickyDistance * 2);
-
-    QVector<QPointF> stickyPath = PrepareStickyPath(path);
-    QLineF closestDistance;
-
-    for (const auto &piece : allPieces)
-    {
-        if (piece.isNull() || piece->GetUniqueID() == GetUniqueID())
-        {
-            continue;
-        }
-
-        QVector<QPointF> piecePath;
-        CastTo(piece->GetMappedExternalContourPoints(), piecePath);
-        QRectF pieceBoundingRect = VLayoutPiece::BoundingRect(piecePath);
-
-        if (stickyZone.intersects(pieceBoundingRect) || pieceBoundingRect.contains(stickyZone) ||
-            stickyZone.contains(pieceBoundingRect))
-        {
-            if (not VPPiece::PathsSuperposition(path, piecePath))
-            {
-                QVector<QPointF> pieceStickyPath = PrepareStickyPath(piecePath);
-                closestDistance = ClosestDistance(stickyPath, pieceStickyPath);
-            }
-        }
-    }
-
-    if (closestDistance.isNull())
+    if (!StickyPieces(match))
     {
         return false;
     }
 
-    const qreal extraZone = qBound(minStickyDistance, pieceGap * 50 / 100, maxStickyDistance);
-    const qreal length = closestDistance.length();
-
-    if (length > pieceGap && length <= pieceGap + extraZone)
+    if (match.m_closestDistance.isNull())
     {
-        closestDistance.setLength(length - pieceGap);
-        QPointF diff = closestDistance.p2() - closestDistance.p1();
+        return false;
+    }
+
+    const qreal extraZone = qBound(minStickyDistance, match.m_pieceGap * 50 / 100, maxStickyDistance);
+    const qreal length = match.m_closestDistance.length();
+
+    if (length > match.m_pieceGap && length <= match.m_pieceGap + extraZone)
+    {
+        match.m_closestDistance.setLength(length - match.m_pieceGap);
+        QPointF const diff = match.m_closestDistance.p2() - match.m_closestDistance.p1();
         dx = diff.x();
         dy = diff.y();
         return true;
     }
 
-    if (length < pieceGap && length >= pieceGap - extraZone)
+    if (length < match.m_pieceGap && length >= match.m_pieceGap - extraZone)
     {
-        closestDistance.setAngle(closestDistance.angle() + 180);
-        closestDistance.setLength(pieceGap - length);
-        QPointF diff = closestDistance.p2() - closestDistance.p1();
+        match.m_closestDistance.setAngle(match.m_closestDistance.angle() + 180);
+        match.m_closestDistance.setLength(match.m_pieceGap - length);
+        QPointF const diff = match.m_closestDistance.p2() - match.m_closestDistance.p1();
         dx = diff.x();
         dy = diff.y();
         return true;
@@ -471,6 +450,179 @@ void VPPiece::SetCopyNumber(quint16 newCopyNumber)
     m_copyNumber = qMax(static_cast<quint16>(1), newCopyNumber);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+auto VPPiece::StickySheet(VStickyDistance &match) const -> bool
+{
+    VPLayoutPtr const layout = Layout();
+    if (layout.isNull())
+    {
+        return false;
+    }
+
+    const qreal pieceGap = layout->LayoutSettings().GetPiecesGap();
+    if (pieceGap <= 0)
+    {
+        return false;
+    }
+
+    VPSheetPtr const sheet = Sheet();
+    if (sheet.isNull())
+    {
+        return false;
+    }
+
+    QRectF sheetRect = sheet->GetMarginsRect();
+    QVector<QPointF> path;
+    CastTo(GetMappedExternalContourPoints(), path);
+    QRectF const boundingRect = VLayoutPiece::BoundingRect(path);
+    if (!sheetRect.contains(boundingRect))
+    {
+        return true;
+    }
+
+    const qreal stickyDistance = maxStickyDistance;
+    QRectF const stickyZone =
+        QRectF(boundingRect.topLeft().x() - stickyDistance, boundingRect.topLeft().y() - stickyDistance,
+               boundingRect.width() + stickyDistance * 2, boundingRect.height() + stickyDistance * 2);
+
+    if (!stickyZone.intersects(sheetRect))
+    {
+        return true;
+    }
+
+    QVector<QPointF> const stickyPath = PrepareStickyPath(path);
+
+    if (!layout->LayoutSettings().IsCutOnFold())
+    {
+        sheetRect.adjust(accuracyPointOnLine, accuracyPointOnLine, -accuracyPointOnLine, -accuracyPointOnLine);
+        QVector<QPointF> const sheetPath{sheetRect.topLeft(), sheetRect.topRight(), sheetRect.bottomRight(),
+                                         sheetRect.bottomLeft(), sheetRect.topLeft()};
+        QVector<QPointF> const sheetStickyPath = PrepareStickyPath(sheetPath);
+        QLineF const distance = ClosestDistance(stickyPath, sheetStickyPath);
+        if (match.m_closestDistance.isNull() || distance.length() < match.m_closestDistance.length())
+        {
+            match.m_closestDistance = distance;
+        }
+        return true;
+    }
+
+    if (GetSeamAllowanceMirrorLine().isNull() || (!GetSeamAllowanceMirrorLine().isNull() && IsShowFullPiece()))
+    { // regular piece
+        QVector<QPointF> sheetPath;
+        if (sheetRect.width() >= sheetRect.height())
+        {
+            sheetRect.adjust(accuracyPointOnLine, accuracyPointOnLine, -accuracyPointOnLine, -accuracyPointOnLine);
+            QPointF const shift(0, pieceGap / 2. - accuracyPointOnLine);
+            sheetPath = {sheetRect.topLeft() + shift, sheetRect.topRight() + shift, sheetRect.bottomRight(),
+                         sheetRect.bottomLeft(), sheetRect.topLeft() + shift};
+        }
+        else
+        {
+            sheetRect.adjust(accuracyPointOnLine, accuracyPointOnLine, -accuracyPointOnLine, -accuracyPointOnLine);
+            QPointF const shift(pieceGap / 2. - accuracyPointOnLine, 0);
+            sheetPath = {sheetRect.topLeft(), sheetRect.topRight() - shift, sheetRect.bottomRight() - shift,
+                         sheetRect.bottomLeft(), sheetRect.topLeft()};
+        }
+
+        QVector<QPointF> const sheetStickyPath = PrepareStickyPath(sheetPath);
+        QLineF const distance = ClosestDistance(stickyPath, sheetStickyPath);
+        if (match.m_closestDistance.isNull() || distance.length() < match.m_closestDistance.length())
+        {
+            match.m_closestDistance = distance;
+        }
+        return true;
+    }
+
+    // mirrored piece
+    QVector<QPointF> sheetPath;
+    if (sheetRect.width() >= sheetRect.height())
+    {
+        QPointF const shift(0, accuracyPointOnLine);
+        sheetPath = {sheetRect.topLeft() + shift, sheetRect.topRight() + shift};
+    }
+    else
+    {
+        QPointF const shift(accuracyPointOnLine, 0);
+        sheetPath = {sheetRect.topRight() - shift, sheetRect.bottomRight() - shift};
+    }
+
+    QVector<QPointF> const sheetStickyPath = PrepareStickyPath(sheetPath);
+    QLineF const distance = ClosestDistance(stickyPath, sheetStickyPath);
+    if (match.m_closestDistance.isNull() || distance.length() < match.m_closestDistance.length())
+    {
+        match.m_closestDistance = distance;
+    }
+
+    return true;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VPPiece::StickyPieces(VStickyDistance &match) const -> bool
+{
+    VPLayoutPtr const layout = Layout();
+    if (layout.isNull())
+    {
+        return false;
+    }
+
+    const qreal pieceGap = layout->LayoutSettings().GetPiecesGap();
+    if (pieceGap <= 0)
+    {
+        return false;
+    }
+
+    VPSheetPtr const sheet = Sheet();
+    if (sheet.isNull())
+    {
+        return false;
+    }
+
+    QList<VPPiecePtr> const allPieces = sheet->GetPieces();
+    if (allPieces.count() < 2)
+    {
+        return true;
+    }
+
+    QVector<QPointF> path;
+    CastTo(GetMappedExternalContourPoints(), path);
+    QRectF const boundingRect = VLayoutPiece::BoundingRect(path);
+    const qreal stickyDistance = pieceGap + minStickyDistance;
+    QRectF const stickyZone =
+        QRectF(boundingRect.topLeft().x() - stickyDistance, boundingRect.topLeft().y() - stickyDistance,
+               boundingRect.width() + stickyDistance * 2, boundingRect.height() + stickyDistance * 2);
+
+    QVector<QPointF> const stickyPath = PrepareStickyPath(path);
+
+    for (const auto &piece : allPieces)
+    {
+        if (piece.isNull() || piece->GetUniqueID() == GetUniqueID())
+        {
+            continue;
+        }
+
+        QVector<QPointF> piecePath;
+        CastTo(piece->GetMappedExternalContourPoints(), piecePath);
+        QRectF const pieceBoundingRect = VLayoutPiece::BoundingRect(piecePath);
+
+        if (stickyZone.intersects(pieceBoundingRect) || pieceBoundingRect.contains(stickyZone) ||
+            stickyZone.contains(pieceBoundingRect))
+        {
+            if (not VPPiece::PathsSuperposition(path, piecePath))
+            {
+                QVector<QPointF> const pieceStickyPath = PrepareStickyPath(piecePath);
+                QLineF const distance = ClosestDistance(stickyPath, pieceStickyPath);
+                if (match.m_closestDistance.isNull() || distance.length() < match.m_closestDistance.length())
+                {
+                    match.m_closestDistance = distance;
+                    match.m_pieceGap = pieceGap;
+                }
+            }
+        }
+    }
+
+    return true;
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 void VPPiece::CleanPosition(const VPPiecePtr &piece)
 {
@@ -530,4 +682,6 @@ void VPPiece::CleanPosition(const VPPiecePtr &piece)
 
     piece->SetPieceLabelRect(MapVector(piece->GetPieceLabelRect(), matrix));
     piece->SetPatternLabelRect(MapVector(piece->GetPatternLabelRect(), matrix));
+    piece->SetSeamMirrorLine(matrix.map(piece->GetSeamMirrorLine()));
+    piece->SetSeamAllowanceMirrorLine(matrix.map(piece->GetSeamAllowanceMirrorLine()));
 }

src/app/puzzle/layout/vppiece.h

@@ -44,6 +44,12 @@
 class VPLayout;
 class VPSheet;
 
+struct VStickyDistance
+{
+    QLineF m_closestDistance{};
+    qreal m_pieceGap{0};
+};
+
 class VPPiece : public VLayoutPiece
 {
     Q_DECLARE_TR_FUNCTIONS(VPPiece) // NOLINT
@@ -136,6 +142,9 @@ private:
     quint16 m_copyNumber{1};
 
     qreal m_zValue{1.0};
+
+    auto StickySheet(VStickyDistance &match) const -> bool;
+    auto StickyPieces(VStickyDistance &match) const -> bool;
 };
 
 //---------------------------------------------------------------------------------------------------------------------

src/app/puzzle/layout/vpsheet.cpp

@@ -143,7 +143,7 @@ void VPSheetSceneData::PrepareForExport()
     m_rotationControls->setVisible(false);
     m_rotationOrigin->setVisible(false);
 
-    VPLayoutPtr layout = m_layout.toStrongRef();
+    VPLayoutPtr const layout = m_layout.toStrongRef();
     if (not layout.isNull())
     {
         m_showGridTmp = layout->LayoutSettings().GetShowGrid();
@@ -152,7 +152,7 @@ void VPSheetSceneData::PrepareForExport()
         m_showTilesTmp = layout->LayoutSettings().GetShowTiles();
         layout->LayoutSettings().SetShowTiles(false);
 
-        VPSheetPtr sheet = layout->GetSheet(m_sheetUuid);
+        VPSheetPtr const sheet = layout->GetSheet(m_sheetUuid);
         m_slectedPiecesTmp = sheet->GetSelectedPieces();
 
         for (const auto &piece : qAsConst(m_slectedPiecesTmp))
@@ -185,7 +185,7 @@ void VPSheetSceneData::CleanAfterExport()
 
     m_rotationControls->setVisible(true);
 
-    VPLayoutPtr layout = m_layout.toStrongRef();
+    VPLayoutPtr const layout = m_layout.toStrongRef();
     if (not layout.isNull())
     {
         layout->LayoutSettings().SetShowGrid(m_showGridTmp);
@@ -544,7 +544,7 @@ void VPSheet::ValidateSuperpositionOfPieces() const
             QVector<QPointF> path2;
             CastTo(p->GetMappedExternalContourPoints(), path2);
 
-            bool superposition = VPPiece::PathsSuperposition(path1, path2);
+            bool const superposition = VPPiece::PathsSuperposition(path1, path2);
             if (superposition)
             {
                 hasSuperposition = superposition;
@@ -556,7 +556,7 @@ void VPSheet::ValidateSuperpositionOfPieces() const
 
         if (oldSuperpositionOfPieces != piece->HasSuperpositionWithPieces())
         {
-            VPLayoutPtr layout = GetLayout();
+            VPLayoutPtr const layout = GetLayout();
             if (not layout.isNull())
             {
                 emit layout->PiecePositionValidityChanged(piece);
@@ -574,15 +574,26 @@ void VPSheet::ValidatePieceOutOfBound(const VPPiecePtr &piece) const
     }
 
     const bool oldOutOfBound = piece->OutOfBound();
+    QRectF const sheetRect = GetMarginsRect();
 
-    QRectF pieceRect = piece->MappedDetailBoundingRect();
-    QRectF sheetRect = GetMarginsRect();
-
-    piece->SetOutOfBound(not sheetRect.contains(pieceRect));
+    VPLayoutPtr const layout = GetLayout();
+    if (not layout.isNull() && layout->LayoutSettings().IsCutOnFold() && not piece->IsShowFullPiece() &&
+        !piece->GetSeamMirrorLine().isNull())
+    {
+        QLineF const foldLine = sheetRect.width() >= sheetRect.height()
+                                    ? QLineF(sheetRect.topLeft(), sheetRect.topRight())
+                                    : QLineF(sheetRect.topRight(), sheetRect.bottomRight());
+        piece->SetOutOfBound(not VGObject::IsLineSegmentOnLineSegment(
+            foldLine, piece->GetMappedSeamAllowanceMirrorLine(), MmToPixel(0.5)));
+    }
+    else
+    {
+        QRectF const pieceRect = piece->MappedDetailBoundingRect();
+        piece->SetOutOfBound(not sheetRect.contains(pieceRect));
+    }
 
     if (oldOutOfBound != piece->OutOfBound())
     {
-        VPLayoutPtr layout = GetLayout();
         if (not layout.isNull())
         {
             emit layout->PiecePositionValidityChanged(piece);
@@ -593,7 +604,7 @@ void VPSheet::ValidatePieceOutOfBound(const VPPiecePtr &piece) const
 //---------------------------------------------------------------------------------------------------------------------
 void VPSheet::ValidatePiecesOutOfBound() const
 {
-    QList<VPPiecePtr> pieces = GetPieces();
+    QList<VPPiecePtr> const pieces = GetPieces();
     for (const auto &piece : pieces)
     {
         ValidatePieceOutOfBound(piece);

src/app/puzzle/scene/scenedef.h

@@ -28,6 +28,8 @@
 #ifndef SCENEDEF_H
 #define SCENEDEF_H
 
+#include "qtypes.h"
+
 enum class PGraphicsItem : int
 {
     Piece = 1,
@@ -35,4 +37,7 @@ enum class PGraphicsItem : int
     TransformationOrigin = 3
 };
 
+constexpr qreal foldTextMargin = 5;
+constexpr int foldFontSize = 34;
+
 #endif // SCENEDEF_H

src/app/puzzle/scene/vpgraphicspiece.cpp

@@ -45,6 +45,7 @@
 #include "../vformat/vsinglelineoutlinechar.h"
 #include "../vgeometry/vlayoutplacelabel.h"
 #include "../vlayout/vboundary.h"
+#include "../vlayout/vfoldline.h"
 #include "../vlayout/vgraphicsfillitem.h"
 #include "../vlayout/vlayoutpiecepath.h"
 #include "../vlayout/vtextmanager.h"
@@ -53,7 +54,9 @@
 #include "../vmisc/svgfont/vsvgfontengine.h"
 #include "../vmisc/theme/vscenestylesheet.h"
 #include "../vpapplication.h"
+#include "../vpatterndb/vpiecepath.h"
 #include "compatibility.h"
+#include "qtpreprocessorsupport.h"
 #include "undocommands/vpundomovepieceonsheet.h"
 #include "undocommands/vpundopiecemove.h"
 #include "vpiecegrainline.h"
@@ -72,7 +75,7 @@ namespace
 {
 //---------------------------------------------------------------------------------------------------------------------
 inline auto LineMatrix(const VPPiecePtr &piece, const QPointF &topLeft, qreal angle, const QPointF &linePos,
-                       int maxLineWidth, qreal maxLabelHeight) -> QTransform
+                       int maxLineWidth) -> QTransform
 {
     if (piece.isNull())
     {
@@ -82,26 +85,27 @@ inline auto LineMatrix(const VPPiecePtr &piece, const QPointF &topLeft, qreal an
     QTransform labelMatrix;
     labelMatrix.translate(topLeft.x(), topLeft.y());
 
-    if (piece->IsVerticallyFlipped() || piece->IsHorizontallyFlipped())
+    if ((piece->IsVerticallyFlipped() && piece->IsHorizontallyFlipped()) ||
+        (!piece->IsVerticallyFlipped() && !piece->IsHorizontallyFlipped()))
     {
-        if (piece->IsVerticallyFlipped())
+        labelMatrix.rotate(angle);
+    }
+    else if (piece->IsVerticallyFlipped() || piece->IsHorizontallyFlipped())
+    {
+        if (piece->IsVerticallyFlipped() && !piece->IsHorizontallyFlipped())
         {
             labelMatrix.scale(-1, 1);
             labelMatrix.rotate(-angle);
             labelMatrix.translate(-maxLineWidth, 0);
         }
 
-        if (piece->IsHorizontallyFlipped())
+        if (piece->IsHorizontallyFlipped() && !piece->IsVerticallyFlipped())
         {
-            labelMatrix.scale(1, -1);
+            labelMatrix.scale(-1, 1);
             labelMatrix.rotate(-angle);
-            labelMatrix.translate(0, -maxLabelHeight);
+            labelMatrix.translate(-maxLineWidth, 0);
         }
     }
-    else
-    {
-        labelMatrix.rotate(angle);
-    }
 
     labelMatrix.translate(linePos.x(), linePos.y()); // Each string has own position
     labelMatrix *= piece->GetMatrix();
@@ -177,73 +181,7 @@ inline auto LineAlign(const TextLine &tl, const QString &text, const VSvgFontEng
 //---------------------------------------------------------------------------------------------------------------------
 inline auto SelectionBrush() -> QBrush
 {
-    return {QColor(255, 160, 160, 60)};
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-auto LabelHeightSVGFont(const VPPiecePtr &piece, const QVector<TextLine> &labelLines, const VSvgFont &svgFont,
-                        const VSvgFontDatabase *db, qreal penWidth, qreal dH, int spacing) -> qreal
-{
-    qreal labelHeight = 0;
-    if (piece->IsHorizontallyFlipped())
-    {
-        for (int i = 0; i < labelLines.size(); ++i)
-        {
-            const VSvgFont fnt = LineFont(labelLines.at(i), svgFont);
-            VSvgFontEngine engine = db->FontEngine(fnt);
-
-            const qreal lineHeight = engine.FontHeight() + penWidth;
-
-            if (labelHeight + lineHeight > dH)
-            {
-                break;
-            }
-
-            if (i < labelLines.size() - 1)
-            {
-                labelHeight += lineHeight + spacing;
-            }
-            else
-            {
-                labelHeight += lineHeight;
-            }
-        }
-    }
-
-    return labelHeight;
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-auto LabelHeightOutlineFont(const VPPiecePtr &piece, const QVector<TextLine> &labelLines, const QFont &font,
-                            bool textAsPaths, qreal penWidth, qreal dH, int spacing) -> qreal
-{
-    qreal labelHeight = 0;
-    if (piece->IsHorizontallyFlipped())
-    {
-        for (int i = 0; i < labelLines.size(); ++i)
-        {
-            const QFont fnt = LineFont(labelLines.at(i), font);
-            QFontMetrics fm(fnt);
-
-            const qreal lineHeight = textAsPaths ? fm.height() + penWidth : fm.height();
-
-            if (labelHeight + lineHeight > dH)
-            {
-                break;
-            }
-
-            if (i < labelLines.size() - 1)
-            {
-                labelHeight += lineHeight + spacing;
-            }
-            else
-            {
-                labelHeight += lineHeight;
-            }
-        }
-    }
-
-    return labelHeight;
+    return {VSceneStylesheet::ManualLayoutStyle().PieceSelectionBrushColor()};
 }
 } // namespace
 
@@ -283,6 +221,8 @@ auto VPGraphicsPiece::boundingRect() const -> QRectF
     shape.addPath(m_passmarks);
     shape.addPath(m_placeLabels);
     shape.addPath(m_stickyPath);
+    shape.addPath(m_foldLineMarkPath);
+    shape.addPath(m_foldLineLabelPath);
 
     VPSettings *settings = VPApplication::VApp()->PuzzleSettings();
     const qreal halfPenWidth = settings->GetLayoutLineWidth() / 2.;
@@ -308,7 +248,7 @@ void VPGraphicsPiece::paint(QPainter *painter, const QStyleOptionGraphicsItem *o
     Q_UNUSED(option);
 
     VPSettings *settings = VPApplication::VApp()->PuzzleSettings();
-    QPen pen(PieceColor(), settings->GetLayoutLineWidth(), Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin);
+    QPen const pen(PieceColor(), settings->GetLayoutLineWidth(), Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin);
     painter->setPen(pen);
 
     PaintPiece(painter);
@@ -459,7 +399,7 @@ void VPGraphicsPiece::InitLabels()
     m_labelPathItems.clear();
     m_labelTextItems.clear();
 
-    VPPiecePtr piece = m_piece.toStrongRef();
+    VPPiecePtr const piece = m_piece.toStrongRef();
     if (piece.isNull())
     {
         return;
@@ -481,7 +421,7 @@ void VPGraphicsPiece::SetStickyPoints(const QVector<QPointF> &newStickyPoint)
 //---------------------------------------------------------------------------------------------------------------------
 void VPGraphicsPiece::InitPieceLabelSVGFont(const QVector<QPointF> &labelShape, const VTextManager &tm)
 {
-    VPPiecePtr piece = m_piece.toStrongRef();
+    VPPiecePtr const piece = m_piece.toStrongRef();
     if (piece.isNull())
     {
         return;
@@ -496,16 +436,16 @@ void VPGraphicsPiece::InitPieceLabelSVGFont(const QVector<QPointF> &labelShape,
     VSvgFontEngine engine =
         db->FontEngine(tm.GetSVGFontFamily(), SVGFontStyle::Normal, SVGFontWeight::Normal, tm.GetSVGFontPointSize());
 
-    VSvgFont svgFont = engine.Font();
+    VSvgFont const svgFont = engine.Font();
     if (!svgFont.IsValid())
     {
-        QString errorMsg = QStringLiteral("Invalid SVG font '%1'. Fallback to outline font.").arg(svgFont.Name());
+        QString const errorMsg = QStringLiteral("Invalid SVG font '%1'. Fallback to outline font.").arg(svgFont.Name());
         qDebug() << errorMsg;
         InitPieceLabelOutlineFont(labelShape, tm);
         return;
     }
 
-    qreal penWidth = VPApplication::VApp()->PuzzleSettings()->GetLayoutLineWidth();
+    qreal const penWidth = VPApplication::VApp()->PuzzleSettings()->GetLayoutLineWidth();
 
     const qreal dW = QLineF(labelShape.at(0), labelShape.at(1)).length();
     const qreal dH = QLineF(labelShape.at(1), labelShape.at(2)).length();
@@ -517,8 +457,6 @@ void VPGraphicsPiece::InitPieceLabelSVGFont(const QVector<QPointF> &labelShape,
 
     const QVector<TextLine> labelLines = tm.GetLabelSourceLines(qFloor(dW), svgFont, penWidth);
 
-    const qreal labelHeight = LabelHeightSVGFont(piece, labelLines, svgFont, db, penWidth, dH, tm.GetSpacing());
-
     for (const auto &tl : labelLines)
     {
         const VSvgFont fnt = LineFont(tl, svgFont);
@@ -532,8 +470,7 @@ void VPGraphicsPiece::InitPieceLabelSVGFont(const QVector<QPointF> &labelShape,
         const QString qsText = tl.m_qsText;
         const qreal dX = LineAlign(tl, qsText, engine, dW, penWidth);
         // set up the rotation around top-left corner matrix
-        const QTransform lineMatrix =
-            LineMatrix(piece, labelShape.at(0), angle, QPointF(dX, dY), maxLineWidth, labelHeight);
+        const QTransform lineMatrix = LineMatrix(piece, labelShape.at(0), angle, QPointF(dX, dY), maxLineWidth);
 
         auto *item = new QGraphicsPathItem(this);
         item->setPath(engine.DrawPath(QPointF(), qsText));
@@ -549,7 +486,7 @@ void VPGraphicsPiece::InitPieceLabelSVGFont(const QVector<QPointF> &labelShape,
         item->setTransform(lineMatrix);
         m_labelPathItems.append(item);
 
-        dY += engine.FontHeight() + penWidth + tm.GetSpacing();
+        dY += engine.FontHeight() - penWidth * 2 + tm.GetSpacing();
     }
 }
 
@@ -587,31 +524,19 @@ void VPGraphicsPiece::InitPieceLabelOutlineFont(const QVector<QPointF> &labelSha
 
     const QVector<TextLine> labelLines = tm.GetLabelSourceLines(qFloor(dW), tm.GetFont());
 
-    const qreal labelHeight =
-        LabelHeightOutlineFont(piece, labelLines, tm.GetFont(), textAsPaths, penWidth, dH, tm.GetSpacing());
-
     for (const auto &tl : labelLines)
     {
         const QFont fnt = LineFont(tl, tm.GetFont());
-
-        VSingleLineOutlineChar corrector(fnt);
-        if (settings->GetSingleStrokeOutlineFont() && !corrector.IsPopulated())
-        {
-            corrector.LoadCorrections(settings->GetPathFontCorrections());
-        }
-
-        QFontMetrics fm(fnt);
+        QFontMetrics const fm(fnt);
 
         if (dY + fm.height() > dH)
         {
             break;
         }
 
-        const QString qsText = tl.m_qsText;
-        const qreal dX = LineAlign(tl, qsText, fm, dW);
+        const qreal dX = LineAlign(tl, tl.m_qsText, fm, dW);
         // set up the rotation around top-left corner matrix
-        const QTransform lineMatrix =
-            LineMatrix(piece, labelShape.at(0), angle, QPointF(dX, dY), maxLineWidth, labelHeight);
+        const QTransform lineMatrix = LineMatrix(piece, labelShape.at(0), angle, QPointF(dX, dY), maxLineWidth);
 
         if (textAsPaths)
         {
@@ -619,8 +544,14 @@ void VPGraphicsPiece::InitPieceLabelOutlineFont(const QVector<QPointF> &labelSha
 
             if (settings->GetSingleStrokeOutlineFont())
             {
+                VSingleLineOutlineChar const corrector(fnt);
+                if (!corrector.IsPopulated())
+                {
+                    corrector.LoadCorrections(settings->GetPathFontCorrections());
+                }
+
                 int w = 0;
-                for (auto c : qAsConst(qsText))
+                for (auto c : qAsConst(tl.m_qsText))
                 {
                     path.addPath(corrector.DrawChar(w, static_cast<qreal>(fm.ascent()), c));
                     w += TextWidth(fm, c);
@@ -628,7 +559,7 @@ void VPGraphicsPiece::InitPieceLabelOutlineFont(const QVector<QPointF> &labelSha
             }
             else
             {
-                path.addText(0, static_cast<qreal>(fm.ascent()), fnt, qsText);
+                path.addText(0, static_cast<qreal>(fm.ascent()), fnt, tl.m_qsText);
             }
 
             auto *item = new QGraphicsPathItem(this);
@@ -644,18 +575,18 @@ void VPGraphicsPiece::InitPieceLabelOutlineFont(const QVector<QPointF> &labelSha
             item->setTransform(lineMatrix);
             m_labelPathItems.append(item);
 
-            dY += fm.height() + penWidth + tm.GetSpacing();
+            dY += fm.height() + penWidth + MmToPixel(1.5) + tm.GetSpacing();
         }
         else
         {
             auto *item = new QGraphicsSimpleTextItem(this);
             item->setFont(fnt);
-            item->setText(qsText);
+            item->setText(tl.m_qsText);
             item->setBrush(QBrush(color));
             item->setTransform(lineMatrix);
             m_labelTextItems.append(item);
 
-            dY += (fm.height() + tm.GetSpacing());
+            dY += (fm.height() + MmToPixel(1.5) + tm.GetSpacing());
         }
     }
 }
@@ -706,8 +637,10 @@ void VPGraphicsPiece::PaintPiece(QPainter *painter)
     m_passmarks = QPainterPath();
     m_placeLabels = QPainterPath();
     m_stickyPath = QPainterPath();
+    m_foldLineMarkPath = QPainterPath();
+    m_foldLineLabelPath = QPainterPath();
 
-    VPPiecePtr piece = m_piece.toStrongRef();
+    VPPiecePtr const piece = m_piece.toStrongRef();
     if (piece.isNull())
     {
         return;
@@ -728,66 +661,76 @@ void VPGraphicsPiece::PaintPiece(QPainter *painter)
     // initialises the place labels (buttons etc)
     PaintPlaceLabels(painter, piece);
 
+    PaintMirrorLine(painter, piece);
+
+    PaintFoldLine(painter, piece);
+
     PaintStickyPath(painter);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 void VPGraphicsPiece::PaintSeamLine(QPainter *painter, const VPPiecePtr &piece)
 {
-    if (piece->IsSeamAllowance() && not piece->IsHideMainPath() && not piece->IsSeamAllowanceBuiltIn())
+    if (piece->IsHideMainPath() && piece->IsSeamAllowance() && not piece->IsSeamAllowanceBuiltIn())
     {
-        QVector<VLayoutPoint> seamLinePoints = piece->GetMappedContourPoints();
+        return;
+    }
 
-        if (seamLinePoints.isEmpty())
+    QVector<VLayoutPoint> const seamLinePoints = piece->GetMappedFullContourPoints();
+
+    if (seamLinePoints.isEmpty())
+    {
+        return;
+    }
+
+    VPLayoutPtr const layout = piece->Layout();
+    if (layout.isNull())
+    {
+        return;
+    }
+
+    if (layout->LayoutSettings().IsBoundaryTogetherWithNotches())
+    {
+        QVector<VLayoutPassmark> const passmarks = piece->GetMappedPassmarks();
+
+        bool const seamAllowance = piece->IsSeamAllowance() && piece->IsSeamAllowanceBuiltIn();
+        bool const builtInSeamAllowance = piece->IsSeamAllowance() && piece->IsSeamAllowanceBuiltIn();
+
+        VBoundary boundary(seamLinePoints, seamAllowance, builtInSeamAllowance);
+        boundary.SetPieceName(piece->GetName());
+        if (piece->IsShowFullPiece())
         {
-            return;
+            boundary.SetMirrorLine(piece->GetMappedSeamMirrorLine());
         }
+        const QList<VBoundarySequenceItemData> sequence = boundary.Combine(passmarks, false, false);
 
-        VPLayoutPtr layout = piece->Layout();
-        if (layout.isNull())
-        {
-            return;
-        }
-
-        if (layout->LayoutSettings().IsBoundaryTogetherWithNotches())
-        {
-            QVector<VLayoutPassmark> passmarks = piece->GetMappedPassmarks();
-
-            bool seamAllowance = piece->IsSeamAllowance() && piece->IsSeamAllowanceBuiltIn();
-            bool builtInSeamAllowance = piece->IsSeamAllowance() && piece->IsSeamAllowanceBuiltIn();
-
-            VBoundary boundary(seamLinePoints, seamAllowance, builtInSeamAllowance);
-            boundary.SetPieceName(piece->GetName());
-            const QList<VBoundarySequenceItemData> sequence = boundary.Combine(passmarks, false, false);
-
-            QVector<QPointF> combinedBoundary;
-            for (const auto &item : sequence)
-            {
-                const auto path = item.item.value<VLayoutPiecePath>().Points();
-                QVector<QPointF> convertedPoints;
-                CastTo(path, convertedPoints);
-                combinedBoundary += convertedPoints;
-            }
-
-            m_seamLine.addPolygon(QPolygonF(combinedBoundary));
-            m_seamLine.closeSubpath();
-        }
-        else
+        QVector<QPointF> combinedBoundary;
+        for (const auto &item : sequence)
         {
+            const auto path = item.item.value<VLayoutPiecePath>().Points();
             QVector<QPointF> convertedPoints;
-            CastTo(seamLinePoints, convertedPoints);
-
-            m_seamLine.addPolygon(QPolygonF(convertedPoints));
-            m_seamLine.closeSubpath();
+            CastTo(path, convertedPoints);
+            combinedBoundary += convertedPoints;
         }
 
-        if (painter != nullptr)
-        {
-            painter->save();
-            painter->setBrush(piece->IsSelected() ? SelectionBrush() : NoBrush());
-            painter->drawPath(m_seamLine);
-            painter->restore();
-        }
+        m_seamLine.addPolygon(QPolygonF(combinedBoundary));
+        m_seamLine.closeSubpath();
+    }
+    else
+    {
+        QVector<QPointF> convertedPoints;
+        CastTo(seamLinePoints, convertedPoints);
+
+        m_seamLine.addPolygon(QPolygonF(convertedPoints));
+        m_seamLine.closeSubpath();
+    }
+
+    if (painter != nullptr)
+    {
+        painter->save();
+        painter->setBrush(piece->IsSelected() ? SelectionBrush() : NoBrush());
+        painter->drawPath(m_seamLine);
+        painter->restore();
     }
 }
 
@@ -796,7 +739,7 @@ void VPGraphicsPiece::PaintCuttingLine(QPainter *painter, const VPPiecePtr &piec
 {
     if (piece->IsSeamAllowance() && not piece->IsSeamAllowanceBuiltIn())
     {
-        QVector<VLayoutPoint> cuttingLinepoints = piece->GetMappedSeamAllowancePoints();
+        QVector<VLayoutPoint> cuttingLinepoints = piece->GetMappedFullSeamAllowancePoints();
         if (cuttingLinepoints.isEmpty())
         {
             return;
@@ -817,6 +760,10 @@ void VPGraphicsPiece::PaintCuttingLine(QPainter *painter, const VPPiecePtr &piec
 
             VBoundary boundary(cuttingLinepoints, seamAllowance, builtInSeamAllowance);
             boundary.SetPieceName(piece->GetName());
+            if (piece->IsShowFullPiece())
+            {
+                boundary.SetMirrorLine(piece->GetMappedSeamAllowanceMirrorLine());
+            }
             const QList<VBoundarySequenceItemData> sequence = boundary.Combine(passmarks, false, false);
 
             QVector<QPointF> combinedBoundary;
@@ -853,11 +800,22 @@ void VPGraphicsPiece::PaintCuttingLine(QPainter *painter, const VPPiecePtr &piec
 //---------------------------------------------------------------------------------------------------------------------
 void VPGraphicsPiece::PaintInternalPaths(QPainter *painter, const VPPiecePtr &piece)
 {
-    QVector<VLayoutPiecePath> internalPaths = piece->GetInternalPaths();
+    QVector<VLayoutPiecePath> const internalPaths = piece->GetInternalPaths();
     for (const auto &piecePath : internalPaths)
     {
         QPainterPath path = piece->GetMatrix().map(piecePath.GetPainterPath());
 
+        if (!piecePath.IsNotMirrored() && piece->IsShowFullPiece() && !piece->GetSeamMirrorLine().isNull())
+        {
+            QVector<VLayoutPoint> points = piecePath.Points();
+            const QTransform matrix = VGObject::FlippingMatrix(piece->GetSeamMirrorLine());
+            std::transform(points.begin(), points.end(), points.begin(),
+                           [matrix](const VLayoutPoint &point) { return VAbstractPiece::MapPoint(point, matrix); });
+            QVector<QPointF> casted;
+            CastTo(points, casted);
+            path.addPath(piece->GetMatrix().map(VPiecePath::MakePainterPath(casted)));
+        }
+
         if (painter != nullptr)
         {
             painter->save();
@@ -874,7 +832,7 @@ void VPGraphicsPiece::PaintInternalPaths(QPainter *painter, const VPPiecePtr &pi
 //---------------------------------------------------------------------------------------------------------------------
 void VPGraphicsPiece::PaintPassmarks(QPainter *painter, const VPPiecePtr &piece)
 {
-    VPLayoutPtr layout = piece->Layout();
+    VPLayoutPtr const layout = piece->Layout();
     if (layout.isNull())
     {
         return;
@@ -885,37 +843,67 @@ void VPGraphicsPiece::PaintPassmarks(QPainter *painter, const VPPiecePtr &piece)
         return;
     }
 
-    QVector<VLayoutPassmark> passmarks = piece->GetMappedPassmarks();
-    for (auto &passmark : passmarks)
+    QVector<VLayoutPassmark> const passmarks = piece->GetMappedPassmarks();
+    for (const auto &passmark : passmarks)
     {
         QPainterPath passmarkPath;
-        for (auto &line : passmark.lines)
+        for (const auto &line : passmark.lines)
         {
             passmarkPath.moveTo(line.p1());
             passmarkPath.lineTo(line.p2());
         }
 
+        m_passmarks.addPath(passmarkPath);
+
+        QLineF const seamAllowanceMirrorLine = piece->GetMappedSeamAllowanceMirrorLine();
+        if (!seamAllowanceMirrorLine.isNull() && piece->IsShowFullPiece())
+        {
+            if (!VGObject::IsPointOnLineviaPDP(passmark.baseLine.p1(), seamAllowanceMirrorLine.p1(),
+                                               seamAllowanceMirrorLine.p2()))
+            {
+                QPainterPath mirroredPassmaksPath;
+                for (const auto &line : passmark.lines)
+                {
+                    mirroredPassmaksPath.moveTo(line.p1());
+                    mirroredPassmaksPath.lineTo(line.p2());
+                }
+                const QTransform matrix = VGObject::FlippingMatrix(seamAllowanceMirrorLine);
+                m_passmarks.addPath(matrix.map(mirroredPassmaksPath));
+            }
+        }
+
         if (painter != nullptr)
         {
             painter->save();
             painter->setBrush(NoBrush());
-            painter->drawPath(passmarkPath);
+            painter->drawPath(m_passmarks);
             painter->restore();
         }
-
-        m_passmarks.addPath(passmarkPath);
     }
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 void VPGraphicsPiece::PaintPlaceLabels(QPainter *painter, const VPPiecePtr &piece)
 {
-    QVector<VLayoutPlaceLabel> placeLabels = piece->GetPlaceLabels();
-    for (auto &placeLabel : placeLabels)
+    QVector<VLayoutPlaceLabel> const placeLabels = piece->GetPlaceLabels();
+    for (const auto &placeLabel : placeLabels)
     {
         QPainterPath path =
             VAbstractPiece::LabelShapePath(piece->MapPlaceLabelShape(VAbstractPiece::PlaceLabelShape(placeLabel)));
 
+        if (!placeLabel.IsNotMirrored() && piece->IsShowFullPiece() && !piece->GetSeamMirrorLine().isNull())
+        {
+            PlaceLabelImg shape = VAbstractPiece::PlaceLabelShape(placeLabel);
+            const QTransform matrix = VGObject::FlippingMatrix(piece->GetSeamMirrorLine());
+            for (auto &points : shape)
+            {
+                std::transform(points.begin(), points.end(), points.begin(),
+                               [matrix](const VLayoutPoint &point) { return VAbstractPiece::MapPoint(point, matrix); });
+            }
+
+            path.addPath(VAbstractPiece::LabelShapePath(piece->MapPlaceLabelShape(shape)));
+        }
+
         if (painter != nullptr)
         {
             painter->save();
@@ -955,6 +943,127 @@ void VPGraphicsPiece::PaintStickyPath(QPainter *painter)
     }
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VPGraphicsPiece::PaintMirrorLine(QPainter *painter, const VPPiecePtr &piece)
+{
+    if (piece->IsShowFullPiece())
+    {
+        bool mirrorFlag = false;
+        QPainterPath mirrorLinePath;
+        if (not piece->IsSeamAllowance() || piece->IsSeamAllowanceBuiltIn())
+        {
+            QLineF const seamMirrorLine = piece->GetMappedSeamMirrorLine();
+            if (!seamMirrorLine.isNull())
+            {
+                QPainterPath mirrorPath;
+                mirrorPath.moveTo(seamMirrorLine.p1());
+                mirrorPath.lineTo(seamMirrorLine.p2());
+                mirrorLinePath.addPath(mirrorPath);
+                mirrorFlag = true;
+            }
+        }
+        else if (not piece->IsSeamAllowanceBuiltIn())
+        {
+            QLineF const seamAllowanceMirrorLine = piece->GetMappedSeamAllowanceMirrorLine();
+            if (!seamAllowanceMirrorLine.isNull())
+            {
+                QPainterPath mirrorPath;
+                mirrorPath.moveTo(seamAllowanceMirrorLine.p1());
+                mirrorPath.lineTo(seamAllowanceMirrorLine.p2());
+                mirrorLinePath.addPath(mirrorPath);
+                mirrorFlag = true;
+            }
+        }
+
+        if (mirrorFlag && painter != nullptr)
+        {
+            painter->save();
+            QPen pen = painter->pen();
+            pen.setStyle(Qt::DashDotLine);
+            painter->setPen(pen);
+            painter->drawPath(mirrorLinePath);
+            painter->restore();
+        }
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VPGraphicsPiece::PaintFoldLine(QPainter *painter, const VPPiecePtr &piece)
+{
+    if (piece->GetFoldLineType() == FoldLineType::None)
+    {
+        return;
+    }
+
+    VFoldLine const fLine = piece->FoldLine();
+    QVector<QPainterPath> const shape = fLine.FoldLinePath();
+
+    if (shape.isEmpty())
+    {
+        return;
+    }
+
+    VCommonSettings *settings = VAbstractApplication::VApp()->Settings();
+    if (!m_textAsPaths && !settings->GetSingleStrokeOutlineFont() && !settings->GetSingleLineFonts())
+    {
+        if (m_foldLineLabelText == nullptr)
+        {
+            m_foldLineLabelText = new QGraphicsSimpleTextItem(this);
+        }
+
+        fLine.UpdateFoldLineLabel(m_foldLineLabelText);
+    }
+    else
+    {
+        if (m_foldLineLabelText != nullptr)
+        {
+            m_foldLineLabelText->setVisible(false);
+        }
+    }
+
+    const bool singleLineFont = settings->GetSingleStrokeOutlineFont() || settings->GetSingleLineFonts();
+
+    if (piece->GetFoldLineType() == FoldLineType::ThreeDots || piece->GetFoldLineType() == FoldLineType::ThreeX ||
+        piece->GetFoldLineType() == FoldLineType::TwoArrows)
+    {
+        m_foldLineMarkPath.addPath(shape.constFirst());
+    }
+    else if (piece->GetFoldLineType() == FoldLineType::Text)
+    {
+        if (singleLineFont || m_textAsPaths)
+        {
+            m_foldLineLabelPath.addPath(shape.constFirst());
+        }
+    }
+    else
+    {
+        m_foldLineMarkPath.addPath(shape.constFirst());
+
+        if (shape.size() > 1 && (singleLineFont || m_textAsPaths))
+        {
+            m_foldLineLabelPath.addPath(shape.constLast());
+        }
+    }
+
+    if (painter != nullptr)
+    {
+        painter->save();
+        painter->setBrush(Qt::SolidPattern);
+        painter->drawPath(m_foldLineMarkPath);
+        painter->restore();
+
+        qreal const penWidth = VPApplication::VApp()->PuzzleSettings()->GetLayoutLineWidth();
+
+        painter->save();
+        QPen pen = painter->pen();
+        pen.setWidthF(penWidth * qMin(piece->GetXScale(), piece->GetYScale()));
+        painter->setPen(pen);
+        painter->setBrush(singleLineFont ? Qt::NoBrush : Qt::SolidPattern);
+        painter->drawPath(m_foldLineLabelPath);
+        painter->restore();
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 void VPGraphicsPiece::GroupMove(const QPointF &pos)
 {

src/app/puzzle/scene/vpgraphicspiece.h

@@ -109,6 +109,9 @@ private:
     QVector<QPointF> m_stickyPoints{};
     QPainterPath m_stickyPath{};
 
+    QPainterPath m_foldLineMarkPath{};
+    QPainterPath m_foldLineLabelPath{};
+
     bool m_hasStickyPosition{false};
     qreal m_stickyTranslateX{0};
     qreal m_stickyTranslateY{0};
@@ -120,6 +123,7 @@ private:
     VGraphicsFillItem *m_grainlineItem{nullptr};
     QVector<QGraphicsPathItem *> m_labelPathItems{};
     QVector<QGraphicsSimpleTextItem *> m_labelTextItems{};
+    QGraphicsSimpleTextItem *m_foldLineLabelText{nullptr};
 
     void InitLabels();
     void InitPieceLabelSVGFont(const QVector<QPointF> &labelShape, const VTextManager &tm);
@@ -133,6 +137,8 @@ private:
     void PaintPassmarks(QPainter *painter, const VPPiecePtr &piece);
     void PaintPlaceLabels(QPainter *painter, const VPPiecePtr &piece);
     void PaintStickyPath(QPainter *painter);
+    void PaintMirrorLine(QPainter *painter, const VPPiecePtr &piece);
+    void PaintFoldLine(QPainter *painter, const VPPiecePtr &piece);
 
     void GroupMove(const QPointF &pos);
 

src/app/puzzle/scene/vpgraphicssheet.cpp

@@ -29,11 +29,65 @@
 #include "vpgraphicssheet.h"
 #include "../layout/vplayout.h"
 #include "../layout/vpsheet.h"
-#include "qnamespace.h"
-#include "theme/vscenestylesheet.h"
+#include "../vlayout/vlayoutpiece.h"
+#include "../vmisc/theme/vscenestylesheet.h"
+#include "../vptilefactory.h"
+#include "../vwidgets/vpiecegrainline.h"
+#include "scenedef.h"
 
+#include <QApplication>
+#include <QFontMetrics>
 #include <QtMath>
 
+namespace
+{
+constexpr qreal foldArrowMargin = 20;
+
+//---------------------------------------------------------------------------------------------------------------------
+auto SwapRect(const QRectF &rect) -> QRectF
+{
+    return {rect.center().x() - rect.height() / 2.0, rect.center().y() - rect.width() / 2.0, rect.height(),
+            rect.width()};
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void PaintVerticalFoldShadow(QPainter *painter, const QRectF &sheetRect)
+{
+    QLineF shadowLine(sheetRect.topLeft(), sheetRect.bottomLeft());
+    shadowLine.setLength(shadowLine.length() * 0.97);
+    shadowLine.setAngle(shadowLine.angle() - 1.5);
+
+    QPointF const shadowP =
+        VGObject::ClosestPoint(QLineF(sheetRect.topLeft(), sheetRect.bottomLeft()), shadowLine.p2());
+
+    painter->drawLine(shadowLine);
+    painter->drawLine(QLineF(shadowLine.p2(), shadowP));
+
+    QPolygonF const shadow{sheetRect.topLeft(), shadowLine.p2(), shadowP, sheetRect.topLeft()};
+
+    painter->setBrush(QBrush(VSceneStylesheet::ManualLayoutStyle().SheetFoldShadowColor()));
+    painter->drawPolygon(shadow);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void PaintHorizontalFoldShadow(QPainter *painter, const QRectF &sheetRect)
+{
+    QLineF shadowLine(sheetRect.topRight(), sheetRect.topLeft());
+    shadowLine.setLength(shadowLine.length() * 0.97);
+    shadowLine.setAngle(shadowLine.angle() - 1.5);
+
+    QPointF const shadowP = VGObject::ClosestPoint(QLineF(sheetRect.topRight(), sheetRect.topLeft()), shadowLine.p2());
+
+    painter->drawLine(shadowLine);
+    painter->drawLine(QLineF(shadowLine.p2(), shadowP));
+
+    QPolygonF const shadow{sheetRect.topRight(), shadowLine.p2(), shadowP, sheetRect.topRight()};
+
+    painter->setBrush(QBrush(VSceneStylesheet::ManualLayoutStyle().SheetFoldShadowColor()));
+    painter->drawPolygon(shadow);
+}
+} // namespace
+
 //---------------------------------------------------------------------------------------------------------------------
 VPGraphicsSheet::VPGraphicsSheet(const VPLayoutPtr &layout, QGraphicsItem *parent)
   : QGraphicsItem(parent),
@@ -47,92 +101,22 @@ void VPGraphicsSheet::paint(QPainter *painter, const QStyleOptionGraphicsItem *o
     Q_UNUSED(widget);
     Q_UNUSED(option);
 
-    bool ignoreMargins = true;
-
-    VPLayoutPtr layout = m_layout.toStrongRef();
-
-    if (!layout.isNull())
-    {
-        VPSheetPtr sheet = layout->GetFocusedSheet();
-        if (!sheet.isNull())
-        {
-            ignoreMargins = sheet->IgnoreMargins();
-        }
-    }
-
-    if (m_showMargin && !ignoreMargins)
-    {
-        QPen pen(VSceneStylesheet::ManualLayoutStyle().SheetMarginColor(), 1.5, Qt::SolidLine, Qt::RoundCap,
-                 Qt::RoundJoin);
-        pen.setCosmetic(true);
-
-        painter->save();
-        painter->setPen(pen);
-        painter->drawRect(GetMarginsRect());
-        painter->restore();
-    }
-
-    QRectF sheetRect = GetSheetRect();
-
-    if (m_showBorder)
-    {
-        QPen pen(VSceneStylesheet::ManualLayoutStyle().SheetBorderColor(), 1.5, Qt::SolidLine, Qt::RoundCap,
-                 Qt::RoundJoin);
-        pen.setCosmetic(true);
-
-        painter->save();
-        painter->setPen(pen);
-        painter->drawRect(sheetRect);
-        painter->restore();
-    }
-
-    if (not layout.isNull() && layout->LayoutSettings().GetShowGrid())
-    {
-        QPen pen(VSceneStylesheet::ManualLayoutStyle().SheetGridColor(), 1.5, Qt::SolidLine, Qt::RoundCap,
-                 Qt::RoundJoin);
-        pen.setCosmetic(true);
-
-        painter->save();
-        painter->setPen(pen);
-
-        qreal colWidth = layout->LayoutSettings().GetGridColWidth();
-        if (colWidth > 0)
-        {
-            qreal colX = colWidth;
-            while (colX < sheetRect.right())
-            {
-                QLineF line = QLineF(colX, 0, colX, sheetRect.bottom());
-                painter->drawLine(line);
-                colX += colWidth;
-            }
-        }
-
-        qreal rowHeight = layout->LayoutSettings().GetGridRowHeight();
-        if (rowHeight > 0)
-        {
-            qreal rowY = rowHeight;
-
-            while (rowY < sheetRect.bottom())
-            {
-                QLineF line = QLineF(0, rowY, sheetRect.right(), rowY);
-                painter->drawLine(line);
-                rowY += rowHeight;
-            }
-        }
-        painter->restore();
-    }
+    PaintMargins(painter);
+    PaintBorder(painter);
+    PaintFold(painter);
+    PaintGrid(painter);
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 auto VPGraphicsSheet::GetSheetRect() const -> QRectF
 {
-    VPLayoutPtr layout = m_layout.toStrongRef();
+    VPLayoutPtr const layout = m_layout.toStrongRef();
     if (layout.isNull())
     {
         return {};
     }
 
-    VPSheetPtr sheet = layout->GetFocusedSheet();
+    VPSheetPtr const sheet = layout->GetFocusedSheet();
     if (sheet.isNull())
     {
         return {};
@@ -143,13 +127,13 @@ auto VPGraphicsSheet::GetSheetRect() const -> QRectF
 //---------------------------------------------------------------------------------------------------------------------
 auto VPGraphicsSheet::GetMarginsRect() const -> QRectF
 {
-    VPLayoutPtr layout = m_layout.toStrongRef();
+    VPLayoutPtr const layout = m_layout.toStrongRef();
     if (layout.isNull())
     {
         return {};
     }
 
-    VPSheetPtr sheet = layout->GetFocusedSheet();
+    VPSheetPtr const sheet = layout->GetFocusedSheet();
     if (sheet.isNull())
     {
         return {};
@@ -175,8 +159,321 @@ void VPGraphicsSheet::RefreshBoundingRect()
     prepareGeometryChange();
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VPGraphicsSheet::PaintVerticalFold(QPainter *painter, const QRectF &sheetRect) const
+{
+    VPLayoutPtr const layout = m_layout.toStrongRef();
+
+    if (not layout.isNull() && layout->LayoutSettings().IsCutOnFold())
+    {
+        QString const foldText = FoldText();
+        painter->save();
+        QFont font = QApplication::font();
+        font.setPointSize(foldFontSize);
+        painter->setFont(font);
+        QRectF textRect = painter->fontMetrics().boundingRect(foldText);
+        int const textDescent = painter->fontMetrics().descent();
+        QPointF const textPosition(sheetRect.center().x() - textRect.width() / 2.,
+                                   sheetRect.topLeft().y() - foldTextMargin - textDescent);
+        painter->drawText(textPosition, foldText);
+        textRect.translate(sheetRect.center() - textRect.center());
+        textRect.translate(0, -(sheetRect.center().y() - sheetRect.topLeft().y()) - foldTextMargin -
+                                  textRect.height() / 2.);
+        // painter->drawRect(textRect); // uncomment for debug
+        painter->restore();
+
+        if (sheetRect.width() >= textRect.width() * 2)
+        {
+            qreal const baseY = textRect.center().y();
+            qreal const arrowMargin = foldArrowMargin + textRect.width() / 2.;
+
+            QLineF const leftLine(QPointF(sheetRect.topLeft().x(), baseY),
+                                  QPointF(sheetRect.center().x() - arrowMargin, baseY));
+            VPieceGrainline const leftArrow(leftLine, GrainlineArrowDirection::oneWayDown);
+            QPainterPath leftArrowPath = VLayoutPiece::GrainlinePath(leftArrow.Shape());
+            leftArrowPath.setFillRule(Qt::WindingFill);
+
+            painter->save();
+            QPen pen = painter->pen();
+            pen.setCapStyle(Qt::RoundCap);
+            pen.setJoinStyle(Qt::RoundJoin);
+            painter->setPen(pen);
+            painter->setBrush(QBrush(pen.color(), Qt::SolidPattern));
+            painter->drawPath(leftArrowPath);
+            painter->restore();
+
+            QLineF const rightLine(QPointF(sheetRect.center().x() + arrowMargin, baseY),
+                                   QPointF(sheetRect.topRight().x(), baseY));
+            VPieceGrainline const rightArrow(rightLine, GrainlineArrowDirection::oneWayUp);
+            QPainterPath rightArrowPath = VLayoutPiece::GrainlinePath(rightArrow.Shape());
+            rightArrowPath.setFillRule(Qt::WindingFill);
+
+            painter->save();
+            pen = painter->pen();
+            pen.setCapStyle(Qt::RoundCap);
+            pen.setJoinStyle(Qt::RoundJoin);
+            painter->setPen(pen);
+            painter->setBrush(QBrush(pen.color(), Qt::SolidPattern));
+            painter->drawPath(rightArrowPath);
+            painter->restore();
+        }
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VPGraphicsSheet::PaintHorizontalFold(QPainter *painter, const QRectF &sheetRect) const
+{
+    VPLayoutPtr const layout = m_layout.toStrongRef();
+
+    if (not layout.isNull() && layout->LayoutSettings().IsCutOnFold())
+    {
+        QString const foldText = FoldText();
+        painter->save();
+        QFont font = QApplication::font();
+        font.setPointSize(foldFontSize);
+        painter->setFont(font);
+        QRectF const textRect = painter->fontMetrics().boundingRect(foldText);
+        // int const textAscent = painter->fontMetrics().ascent();
+        int const textDescent = painter->fontMetrics().descent();
+        QPointF const textPosition(sheetRect.center().x() - textRect.width() / 2.,
+                                   sheetRect.center().y() - sheetRect.width() / 2. - foldTextMargin - textDescent);
+        painter->translate(sheetRect.center());
+        painter->rotate(90);
+        painter->translate(-sheetRect.center());
+        painter->drawText(textPosition, foldText);
+        painter->restore();
+
+        QRectF swappedRect = SwapRect(textRect);
+        swappedRect.translate(sheetRect.center() - swappedRect.center());
+        swappedRect.translate(
+            (sheetRect.topRight().x() - sheetRect.center().x()) + foldTextMargin + textRect.height() / 2., 0);
+        // painter->drawRect(swappedRect); // uncomment for debug
+
+        if (sheetRect.height() >= textRect.width() * 2)
+        {
+            // qreal const baseX = sheetRect.topRight().x() + foldTextMargin + textDescent + textAscent / 2.;
+            qreal const baseX = swappedRect.center().x();
+            qreal const arrowMargin = foldArrowMargin + textRect.width() / 2.;
+            QLineF const leftLine(QPointF(baseX, sheetRect.topRight().y()),
+                                  QPointF(baseX, sheetRect.center().y() - arrowMargin));
+
+            VPieceGrainline const leftArrow(leftLine, GrainlineArrowDirection::oneWayDown);
+            QPainterPath leftArrowPath = VLayoutPiece::GrainlinePath(leftArrow.Shape());
+            leftArrowPath.setFillRule(Qt::WindingFill);
+
+            painter->save();
+            QPen pen = painter->pen();
+            pen.setCapStyle(Qt::RoundCap);
+            pen.setJoinStyle(Qt::RoundJoin);
+            painter->setPen(pen);
+            painter->setBrush(QBrush(pen.color(), Qt::SolidPattern));
+            painter->drawPath(leftArrowPath);
+            painter->restore();
+
+            QLineF const rightLine(QPointF(baseX, sheetRect.center().y() + arrowMargin),
+                                   QPointF(baseX, sheetRect.bottomRight().y()));
+            VPieceGrainline const rightArrow(rightLine, GrainlineArrowDirection::oneWayUp);
+            QPainterPath rightArrowPath = VLayoutPiece::GrainlinePath(rightArrow.Shape());
+            rightArrowPath.setFillRule(Qt::WindingFill);
+
+            painter->save();
+            pen = painter->pen();
+            pen.setCapStyle(Qt::RoundCap);
+            pen.setJoinStyle(Qt::RoundJoin);
+            painter->setPen(pen);
+            painter->setBrush(QBrush(pen.color(), Qt::SolidPattern));
+            painter->drawPath(rightArrowPath);
+            painter->restore();
+        }
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VPGraphicsSheet::PaintMargins(QPainter *painter) const
+{
+    VPLayoutPtr const layout = m_layout.toStrongRef();
+
+    if (layout.isNull())
+    {
+        return;
+    }
+
+    bool ignoreMargins = true;
+    VPSheetPtr const sheet = layout->GetFocusedSheet();
+    if (!sheet.isNull())
+    {
+        ignoreMargins = sheet->IgnoreMargins();
+    }
+
+    if (m_showMargin && !ignoreMargins)
+    {
+        QPen pen(VSceneStylesheet::ManualLayoutStyle().SheetMarginColor(), 1.5, Qt::SolidLine, Qt::RoundCap,
+                 Qt::RoundJoin);
+        pen.setCosmetic(true);
+
+        painter->save();
+        painter->setPen(pen);
+        painter->drawRect(GetMarginsRect());
+        painter->restore();
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VPGraphicsSheet::PaintBorder(QPainter *painter) const
+{
+    QRectF const sheetRect = GetSheetRect();
+
+    if (m_showBorder)
+    {
+        QPen pen(VSceneStylesheet::ManualLayoutStyle().SheetBorderColor(), 1.5, Qt::SolidLine, Qt::RoundCap,
+                 Qt::RoundJoin);
+        pen.setCosmetic(true);
+
+        painter->save();
+        painter->setPen(pen);
+        painter->drawRect(sheetRect);
+
+        VPLayoutPtr const layout = m_layout.toStrongRef();
+
+        if (!layout.isNull() && layout->LayoutSettings().IsCutOnFold())
+        {
+            if (sheetRect.width() >= sheetRect.height())
+            {
+                PaintVerticalFoldShadow(painter, sheetRect);
+            }
+            else
+            {
+                PaintHorizontalFoldShadow(painter, sheetRect);
+            }
+        }
+
+        painter->restore();
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VPGraphicsSheet::PaintFold(QPainter *painter) const
+{
+    VPLayoutPtr const layout = m_layout.toStrongRef();
+    if (!layout.isNull() && layout->LayoutSettings().IsCutOnFold())
+    {
+        QRectF const sheetRect = GetSheetRect();
+        QRectF const foldField = m_showBorder ? sheetRect : FoldField(GetMarginsRect());
+
+        if (sheetRect.width() >= sheetRect.height())
+        {
+            PaintVerticalFold(painter, foldField);
+        }
+        else
+        {
+            PaintHorizontalFold(painter, foldField);
+        }
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VPGraphicsSheet::PaintGrid(QPainter *painter) const
+{
+    VPLayoutPtr const layout = m_layout.toStrongRef();
+
+    if (not layout.isNull() && layout->LayoutSettings().GetShowGrid())
+    {
+        QPen pen(VSceneStylesheet::ManualLayoutStyle().SheetGridColor(), 1.5, Qt::SolidLine, Qt::RoundCap,
+                 Qt::RoundJoin);
+        pen.setCosmetic(true);
+
+        painter->save();
+        painter->setPen(pen);
+
+        QRectF const sheetRect = GetSheetRect();
+
+        qreal const colWidth = layout->LayoutSettings().GetGridColWidth();
+        if (colWidth > 0)
+        {
+            qreal colX = colWidth;
+            while (colX < sheetRect.right())
+            {
+                QLineF const line = QLineF(colX, 0, colX, sheetRect.bottom());
+                painter->drawLine(line);
+                colX += colWidth;
+            }
+        }
+
+        qreal const rowHeight = layout->LayoutSettings().GetGridRowHeight();
+        if (rowHeight > 0)
+        {
+            qreal rowY = rowHeight;
+
+            while (rowY < sheetRect.bottom())
+            {
+                QLineF const line = QLineF(0, rowY, sheetRect.right(), rowY);
+                painter->drawLine(line);
+                rowY += rowHeight;
+            }
+        }
+        painter->restore();
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VPGraphicsSheet::FoldField(const QRectF &sheetRect) const -> QRectF
+{
+    VPLayoutPtr const layout = m_layout.toStrongRef();
+
+    if (layout.isNull())
+    {
+        return sheetRect;
+    }
+
+    VPSheetPtr const sheet = layout->GetFocusedSheet();
+
+    qreal const xScale = layout->LayoutSettings().HorizontalScale();
+    qreal const yScale = layout->LayoutSettings().VerticalScale();
+    const int nbCol = layout->TileFactory()->ColNb(sheet);
+    const int nbRow = layout->TileFactory()->RowNb(sheet);
+    const qreal tilesWidth = (layout->TileFactory()->DrawingAreaWidth() - VPTileFactory::tileStripeWidth) / xScale;
+    const qreal tilesHeight = (layout->TileFactory()->DrawingAreaHeight() - VPTileFactory::tileStripeWidth) / yScale;
+
+    return {sheetRect.topLeft(), QSizeF(nbCol * tilesWidth, nbRow * tilesHeight)};
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VPGraphicsSheet::FoldText() -> QString
+{
+    return tr("FOLD");
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 auto VPGraphicsSheet::boundingRect() const -> QRectF
 {
-    return GetSheetRect();
+    QRectF boundingRect = GetSheetRect();
+    VPLayoutPtr const layout = m_layout.toStrongRef();
+
+    if (not layout.isNull() && layout->LayoutSettings().IsCutOnFold())
+    {
+        QString const foldText = FoldText();
+        QFont font = QApplication::font();
+        font.setPointSize(foldFontSize);
+        QFontMetrics const metric(font);
+        QRectF textRect = metric.boundingRect(foldText);
+        QRectF const foldField = m_showBorder ? boundingRect : FoldField(GetMarginsRect());
+
+        if (boundingRect.width() >= boundingRect.height())
+        {
+            textRect.translate(foldField.center() - textRect.center());
+            textRect.translate(0, -(foldField.center().y() - foldField.topLeft().y()) - foldTextMargin -
+                                      textRect.height() / 2.);
+            boundingRect = foldField.united(textRect);
+        }
+        else
+        {
+            QRectF swappedRect = SwapRect(textRect);
+            swappedRect.translate(foldField.center() - swappedRect.center());
+            swappedRect.translate(
+                (foldField.topRight().x() - foldField.center().x()) + foldTextMargin + textRect.height() / 2., 0);
+            boundingRect = foldField.united(swappedRect);
+        }
+    }
+
+    return boundingRect;
 }

src/app/puzzle/scene/vpgraphicssheet.h

@@ -29,6 +29,7 @@
 #ifndef VPGRAPHICSSHEET_H
 #define VPGRAPHICSSHEET_H
 
+#include <QCoreApplication>
 #include <QGraphicsItem>
 #include <QPainter>
 
@@ -41,6 +42,8 @@ class VPLayout;
 
 class VPGraphicsSheet : public QGraphicsItem
 {
+    Q_DECLARE_TR_FUNCTIONS(VPGraphicsSheet) // NOLINT
+
 public:
     explicit VPGraphicsSheet(const VPLayoutPtr &layout, QGraphicsItem *parent = nullptr);
     ~VPGraphicsSheet() override = default;
@@ -65,6 +68,8 @@ public:
 
     void RefreshBoundingRect();
 
+    static auto FoldText() -> QString;
+
 private:
     // cppcheck-suppress unknownMacro
     Q_DISABLE_COPY_MOVE(VPGraphicsSheet) // NOLINT
@@ -73,6 +78,16 @@ private:
 
     bool m_showMargin{true};
     bool m_showBorder{true};
+
+    void PaintVerticalFold(QPainter *painter, const QRectF &sheetRect) const;
+    void PaintHorizontalFold(QPainter *painter, const QRectF &sheetRect) const;
+
+    void PaintMargins(QPainter *painter) const;
+    void PaintBorder(QPainter *painter) const;
+    void PaintFold(QPainter *painter) const;
+    void PaintGrid(QPainter *painter) const;
+
+    auto FoldField(const QRectF &sheetRect) const -> QRectF;
 };
 
 #endif // VPGRAPHICSSHEET_H

src/app/puzzle/scene/vpgraphicstilegrid.cpp

@@ -147,7 +147,7 @@ void VPGraphicsTileGrid::paint(QPainter *painter, const QStyleOptionGraphicsItem
     Q_UNUSED(widget);
     Q_UNUSED(option);
 
-    VPLayoutPtr layout = m_layout.toStrongRef();
+    VPLayoutPtr const layout = m_layout.toStrongRef();
     if (layout.isNull() || not layout->LayoutSettings().GetShowTiles())
     {
         return;
@@ -157,14 +157,14 @@ void VPGraphicsTileGrid::paint(QPainter *painter, const QStyleOptionGraphicsItem
              Qt::RoundJoin);
     pen.setCosmetic(true);
     pen.setStyle(Qt::DashLine);
-    QBrush noBrush(Qt::NoBrush);
+    QBrush const noBrush(Qt::NoBrush);
     painter->setPen(pen);
     painter->setBrush(noBrush);
 
-    qreal xScale = layout->LayoutSettings().HorizontalScale();
-    qreal yScale = layout->LayoutSettings().VerticalScale();
+    qreal const xScale = layout->LayoutSettings().HorizontalScale();
+    qreal const yScale = layout->LayoutSettings().VerticalScale();
 
-    VWatermarkData watermarkData = layout->TileFactory()->WatermarkData();
+    VWatermarkData const watermarkData = layout->TileFactory()->WatermarkData();
 
     auto PaintWatermark = [painter, layout, xScale, yScale, watermarkData](const QRectF &img)
     {
@@ -187,13 +187,13 @@ void VPGraphicsTileGrid::paint(QPainter *painter, const QStyleOptionGraphicsItem
     const qreal width = (layout->TileFactory()->DrawingAreaWidth() - VPTileFactory::tileStripeWidth) / xScale;
     const qreal height = (layout->TileFactory()->DrawingAreaHeight() - VPTileFactory::tileStripeWidth) / yScale;
 
-    VPSheetPtr sheet = layout->GetSheet(m_sheetUuid);
-    QMarginsF sheetMargins = SheetMargins(sheet);
+    VPSheetPtr const sheet = layout->GetSheet(m_sheetUuid);
+    QMarginsF const sheetMargins = SheetMargins(sheet);
 
     const int nbCol = layout->TileFactory()->ColNb(sheet);
     const int nbRow = layout->TileFactory()->RowNb(sheet);
 
-    QFont font = OptimizeFontSizeToFitTextInRect(
+    QFont const font = OptimizeFontSizeToFitTextInRect(
         painter, QRectF(sheetMargins.left(), sheetMargins.top(), width / 3., height / 3.),
         QString::number(nbRow * nbCol));
 
@@ -231,7 +231,7 @@ void VPGraphicsTileGrid::paint(QPainter *painter, const QStyleOptionGraphicsItem
 
             if (j < nbRow && i < nbCol)
             {
-                QRectF img(sheetMargins.left() + i * width, sheetMargins.top() + j * height, width, height);
+                QRectF const img(sheetMargins.left() + i * width, sheetMargins.top() + j * height, width, height);
 
                 PaintWatermark(img);
                 PaintTileNumber(img, i, j);

src/app/puzzle/vpapplication.cpp

@@ -90,6 +90,11 @@ inline void noisyFailureMsgHandler(QtMsgType type, const QMessageLogContext &con
         return;
     }
 
+    if (VAbstractApplication::VApp()->IsWarningMessage(msg))
+    {
+        return;
+    }
+
     // Why on earth didn't Qt want to make failed signal/slot connections qWarning?
     if ((type == QtDebugMsg) && msg.contains(QStringLiteral("::connect")))
     {

src/app/puzzle/vpmainwindow.cpp

@@ -63,6 +63,8 @@
 #include "dialogs/vpdialogabout.h"
 #include "layout/vppiece.h"
 #include "layout/vpsheet.h"
+#include "scene/scenedef.h"
+#include "scene/vpgraphicssheet.h"
 #include "ui_vpmainwindow.h"
 #include "undocommands/vpundoaddsheet.h"
 #include "undocommands/vpundopiecemove.h"
@@ -249,7 +251,7 @@ void SetPrinterTiledPageSettings(const QSharedPointer<QPrinter> &printer, const
         return;
     }
 
-    QSizeF tileSize = layout->LayoutSettings().GetTilesSize(Unit::Mm);
+    QSizeF const tileSize = layout->LayoutSettings().GetTilesSize(Unit::Mm);
     QSizeF pageSize;
 
     if (not forSheet)
@@ -258,8 +260,8 @@ void SetPrinterTiledPageSettings(const QSharedPointer<QPrinter> &printer, const
     }
     else
     {
-        QPageLayout::Orientation tileOrientation = layout->LayoutSettings().GetTilesOrientation();
-        QPageLayout::Orientation sheetOrientation = sheet->GetSheetOrientation();
+        QPageLayout::Orientation const tileOrientation = layout->LayoutSettings().GetTilesOrientation();
+        QPageLayout::Orientation const sheetOrientation = sheet->GetSheetOrientation();
 
         if (tileOrientation != sheetOrientation)
         {
@@ -636,7 +638,6 @@ auto VPMainWindow::SaveLayout(const QString &path, QString &error) -> bool
 //---------------------------------------------------------------------------------------------------------------------
 void VPMainWindow::ImportRawLayouts(const QStringList &rawLayouts)
 {
-
     for (const auto &path : rawLayouts)
     {
         if (not ImportRawLayout(path))
@@ -782,6 +783,25 @@ void VPMainWindow::InitPropertyTabCurrentPiece()
                 }
             });
 
+    connect(ui->checkBoxShowFullPiece, &QCheckBox::toggled, this,
+            [this](bool checked)
+            {
+                QList<VPPiecePtr> selectedPieces = SelectedPieces();
+                if (selectedPieces.size() == 1)
+                {
+                    const VPPiecePtr &selectedPiece = selectedPieces.constFirst();
+                    if (not selectedPiece.isNull())
+                    {
+                        if (selectedPiece->IsShowFullPiece() != checked)
+                        {
+                            selectedPiece->SetShowFullPiece(checked);
+                            LayoutWasSaved(false);
+                            emit m_layout->PieceTransformationChanged(selectedPiece);
+                        }
+                    }
+                }
+            });
+
     connect(ui->checkBoxCurrentPieceVerticallyFlipped, &QCheckBox::toggled, this,
             [this](bool checked)
             {
@@ -1197,6 +1217,7 @@ void VPMainWindow::InitPropertyTabLayout()
             &VPMainWindow::LayoutWarningPiecesSuperposition_toggled);
     connect(ui->checkBoxLayoutWarningPiecesOutOfBound, &QCheckBox::toggled, this,
             &VPMainWindow::LayoutWarningPiecesOutOfBound_toggled);
+    connect(ui->checkBoxCutOnFold, &QCheckBox::toggled, this, &VPMainWindow::LayoutCutOnFold_toggled);
 
     connect(ui->checkBoxSheetStickyEdges, &QCheckBox::toggled, this,
             [this](bool checked)
@@ -1277,7 +1298,7 @@ void VPMainWindow::SetPropertiesData()
 //---------------------------------------------------------------------------------------------------------------------
 void VPMainWindow::SetPropertyTabCurrentPieceData()
 {
-    QList<VPPiecePtr> selectedPieces = SelectedPieces();
+    QList<VPPiecePtr> const selectedPieces = SelectedPieces();
 
     ui->labelCurrentPieceNoPieceSelected->setVisible(false);
 
@@ -1309,12 +1330,16 @@ void VPMainWindow::SetPropertyTabCurrentPieceData()
         SetCheckBoxValue(ui->checkBoxCurrentPieceVerticallyFlipped, selectedPiece->IsVerticallyFlipped());
         SetCheckBoxValue(ui->checkBoxCurrentPieceHorizontallyFlipped, selectedPiece->IsHorizontallyFlipped());
 
+        QLineF const seamMirrorLine = selectedPiece->GetSeamMirrorLine();
+        SetCheckBoxValue(ui->checkBoxShowFullPiece, !seamMirrorLine.isNull() ? selectedPiece->IsShowFullPiece() : true);
+        ui->checkBoxShowFullPiece->setEnabled(!seamMirrorLine.isNull());
+
         const bool disableFlipping = selectedPiece->IsForbidFlipping() || selectedPiece->IsForceFlipping();
         ui->checkBoxCurrentPieceVerticallyFlipped->setDisabled(disableFlipping);
 
         if (not ui->checkBoxRelativeTranslation->isChecked())
         {
-            QRectF rect = PiecesBoundingRect(selectedPieces);
+            QRectF const rect = PiecesBoundingRect(selectedPieces);
 
             ui->doubleSpinBoxCurrentPieceBoxPositionX->setValue(
                 UnitConvertor(rect.topLeft().x(), Unit::Px, TranslateUnit()));
@@ -1332,7 +1357,7 @@ void VPMainWindow::SetPropertyTabCurrentPieceData()
 
         if (not ui->checkBoxRelativeTranslation->isChecked())
         {
-            QRectF rect = PiecesBoundingRect(selectedPieces);
+            QRectF const rect = PiecesBoundingRect(selectedPieces);
 
             ui->doubleSpinBoxCurrentPieceBoxPositionX->setValue(
                 UnitConvertor(rect.topLeft().x(), Unit::Px, TranslateUnit()));
@@ -1546,6 +1571,7 @@ void VPMainWindow::SetPropertyTabLayoutData()
         SetCheckBoxValue(ui->checkBoxSheetStickyEdges, m_layout->LayoutSettings().GetStickyEdges());
         SetCheckBoxValue(ui->checkBoxFollowGainline, m_layout->LayoutSettings().GetFollowGrainline());
         SetCheckBoxValue(ui->checkBoxTogetherWithNotches, m_layout->LayoutSettings().IsBoundaryTogetherWithNotches());
+        SetCheckBoxValue(ui->checkBoxCutOnFold, m_layout->LayoutSettings().IsCutOnFold());
 
         // set pieces gap
         SetDoubleSpinBoxValue(ui->doubleSpinBoxSheetPiecesGap, m_layout->LayoutSettings().GetPiecesGapConverted());
@@ -1583,6 +1609,7 @@ void VPMainWindow::SetPropertyTabLayoutData()
         SetCheckBoxValue(ui->checkBoxSheetStickyEdges, false);
         SetCheckBoxValue(ui->checkBoxFollowGainline, false);
         SetCheckBoxValue(ui->checkBoxTogetherWithNotches, false);
+        SetCheckBoxValue(ui->checkBoxCutOnFold, false);
 
         SetDoubleSpinBoxValue(ui->doubleSpinBoxSheetPiecesGap, 0);
 
@@ -2728,7 +2755,7 @@ void VPMainWindow::CleanWaterkmarkEditors()
     QMutableListIterator<QPointer<WatermarkWindow>> i(m_watermarkEditors);
     while (i.hasNext())
     {
-        QPointer<WatermarkWindow> watermarkEditor = i.next();
+        QPointer<WatermarkWindow> const watermarkEditor = i.next();
         if (watermarkEditor.isNull())
         {
             i.remove();
@@ -2761,22 +2788,46 @@ auto VPMainWindow::DrawTilesScheme(QPrinter *printer, QPainter *painter, const V
 
     sheet->SceneData()->PrepareTilesScheme();
 
-    qreal xScale = m_layout->LayoutSettings().HorizontalScale();
-    qreal yScale = m_layout->LayoutSettings().VerticalScale();
+    qreal const xScale = m_layout->LayoutSettings().HorizontalScale();
+    qreal const yScale = m_layout->LayoutSettings().VerticalScale();
 
-    qreal width = m_layout->TileFactory()->DrawingAreaWidth();
-    qreal height = m_layout->TileFactory()->DrawingAreaHeight();
+    qreal const width = m_layout->TileFactory()->DrawingAreaWidth();
+    qreal const height = m_layout->TileFactory()->DrawingAreaHeight();
 
-    QPageLayout::Orientation tileOrientation = m_layout->LayoutSettings().GetTilesOrientation();
-    QPageLayout::Orientation sheetOrientation = sheet->GetSheetOrientation();
+    QPageLayout::Orientation const tileOrientation = m_layout->LayoutSettings().GetTilesOrientation();
+    QPageLayout::Orientation const sheetOrientation = sheet->GetSheetOrientation();
 
-    QRectF sheetRect = sheet->GetMarginsRect();
+    QRectF const sheetRect = sheet->GetMarginsRect();
 
     const int nbCol = m_layout->TileFactory()->ColNb(sheet);
     const int nbRow = m_layout->TileFactory()->RowNb(sheet);
 
-    QRectF source = QRectF(sheetRect.topLeft(), QSizeF(nbCol * ((width - VPTileFactory::tileStripeWidth) / xScale),
-                                                       nbRow * ((height - VPTileFactory::tileStripeWidth) / yScale)));
+    qreal const tilesWidth = nbCol * ((width - VPTileFactory::tileStripeWidth) / xScale);
+    qreal const tilesHeight = nbRow * ((height - VPTileFactory::tileStripeWidth) / yScale);
+
+    QRectF source;
+    if (m_layout->LayoutSettings().IsCutOnFold())
+    {
+        QFont font = QApplication::font();
+        font.setPointSize(foldFontSize);
+        QRectF const textRect = QFontMetrics(font).boundingRect(VPGraphicsSheet::FoldText());
+        qreal const textHeight = foldTextMargin + textRect.height();
+
+        if (sheet->GetSheetOrientation() == QPageLayout::Landscape)
+        {
+            QPointF const shift = QPointF(0, textHeight);
+            source = QRectF(sheetRect.topLeft() - shift, QSizeF(tilesWidth, tilesHeight + textHeight));
+        }
+        else
+        {
+            source = QRectF(sheetRect.topLeft(), QSizeF(tilesWidth + textHeight, tilesHeight));
+        }
+    }
+    else
+    {
+        source = QRectF(sheetRect.topLeft(), QSizeF(tilesWidth, tilesHeight));
+    }
+
     QRectF target;
 
     if (tileOrientation != sheetOrientation)
@@ -2787,7 +2838,7 @@ auto VPMainWindow::DrawTilesScheme(QPrinter *printer, QPainter *painter, const V
             margins = m_layout->LayoutSettings().GetTilesMargins();
         }
 
-        QSizeF tilesSize = m_layout->LayoutSettings().GetTilesSize();
+        QSizeF const tilesSize = m_layout->LayoutSettings().GetTilesSize();
         target = QRectF(0, 0, tilesSize.height() - margins.left() - margins.right(),
                         tilesSize.width() - margins.top() - margins.bottom());
     }
@@ -2800,7 +2851,7 @@ auto VPMainWindow::DrawTilesScheme(QPrinter *printer, QPainter *painter, const V
 
     sheet->SceneData()->Scene()->render(painter, target, source, Qt::KeepAspectRatio);
 
-    VWatermarkData watermarkData = m_layout->TileFactory()->WatermarkData();
+    VWatermarkData const watermarkData = m_layout->TileFactory()->WatermarkData();
     if (watermarkData.opacity > 0)
     {
         if (watermarkData.showImage && not watermarkData.path.isEmpty())
@@ -4758,6 +4809,26 @@ void VPMainWindow::LayoutWarningPiecesOutOfBound_toggled(bool checked)
     }
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VPMainWindow::LayoutCutOnFold_toggled(bool checked)
+{
+    if (not m_layout.isNull())
+    {
+        m_layout->LayoutSettings().SetCutOnFold(checked);
+        LayoutWasSaved(false);
+
+        if (checked)
+        {
+            VPSheetPtr const sheet = m_layout->GetFocusedSheet();
+            if (not sheet.isNull())
+            {
+                sheet->ValidatePiecesOutOfBound();
+            }
+        }
+        m_graphicsView->RefreshLayout();
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 void VPMainWindow::UpdateShortcuts()
 {

src/app/puzzle/vpmainwindow.h

@@ -294,6 +294,7 @@ private slots:
 
     void LayoutWarningPiecesSuperposition_toggled(bool checked);
     void LayoutWarningPiecesOutOfBound_toggled(bool checked);
+    void LayoutCutOnFold_toggled(bool checked);
 
     void UpdateShortcuts();
 

src/app/puzzle/vpmainwindow.ui

@@ -219,7 +219,7 @@
         <enum>QTabWidget::Rounded</enum>
        </property>
        <property name="currentIndex">
-        <number>0</number>
+        <number>1</number>
        </property>
        <property name="iconSize">
         <size>
@@ -280,7 +280,7 @@
               <x>0</x>
               <y>0</y>
               <width>378</width>
-              <height>707</height>
+              <height>736</height>
              </rect>
             </property>
             <layout class="QVBoxLayout" name="verticalLayout_23">
@@ -488,8 +488,7 @@
                              <string notr="true"/>
                             </property>
                             <property name="icon">
-                             <iconset theme="object-rotate-right">
-                              <normaloff>.</normaloff>.</iconset>
+                             <iconset theme="object-rotate-right"/>
                             </property>
                             <property name="checkable">
                              <bool>true</bool>
@@ -534,8 +533,7 @@
                              <string notr="true"/>
                             </property>
                             <property name="icon">
-                             <iconset theme="object-rotate-left">
-                              <normaloff>.</normaloff>.</iconset>
+                             <iconset theme="object-rotate-left"/>
                             </property>
                             <property name="checkable">
                              <bool>true</bool>
@@ -623,6 +621,19 @@
                    <string>Geometry</string>
                   </property>
                   <layout class="QVBoxLayout" name="verticalLayout_9">
+                   <item>
+                    <widget class="QCheckBox" name="checkBoxShowFullPiece">
+                     <property name="enabled">
+                      <bool>false</bool>
+                     </property>
+                     <property name="text">
+                      <string>Show full piece</string>
+                     </property>
+                     <property name="checked">
+                      <bool>true</bool>
+                     </property>
+                    </widget>
+                   </item>
                    <item>
                     <widget class="QCheckBox" name="checkBoxCurrentPieceVerticallyFlipped">
                      <property name="text">
@@ -1729,6 +1740,13 @@
                   </property>
                  </widget>
                 </item>
+                <item>
+                 <widget class="QCheckBox" name="checkBoxCutOnFold">
+                  <property name="text">
+                   <string>Cut on fold</string>
+                  </property>
+                 </widget>
+                </item>
                 <item>
                  <layout class="QHBoxLayout" name="horizontalLayout_2">
                   <item>
@@ -2013,8 +2031,7 @@
   </widget>
   <action name="actionOpen">
    <property name="icon">
-    <iconset theme="document-open">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="document-open"/>
    </property>
    <property name="text">
     <string>&amp;Open</string>
@@ -2031,8 +2048,7 @@
     <bool>true</bool>
    </property>
    <property name="icon">
-    <iconset theme="document-save">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="document-save"/>
    </property>
    <property name="text">
     <string>&amp;Save</string>
@@ -2049,8 +2065,7 @@
     <bool>true</bool>
    </property>
    <property name="icon">
-    <iconset theme="document-save-as">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="document-save-as"/>
    </property>
    <property name="text">
     <string>Save &amp;As</string>
@@ -2078,8 +2093,7 @@
     <bool>true</bool>
    </property>
    <property name="icon">
-    <iconset theme="application-exit">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="application-exit"/>
    </property>
    <property name="text">
     <string>E&amp;xit</string>
@@ -2093,8 +2107,7 @@
   </action>
   <action name="actionNew">
    <property name="icon">
-    <iconset theme="document-new">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="document-new"/>
    </property>
    <property name="text">
     <string>&amp;New</string>
@@ -2116,8 +2129,7 @@
   </action>
   <action name="actionAboutPuzzle">
    <property name="icon">
-    <iconset theme="help-about">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="help-about"/>
    </property>
    <property name="text">
     <string>About &amp;Puzzle</string>
@@ -2148,8 +2160,7 @@
     <bool>true</bool>
    </property>
    <property name="icon">
-    <iconset theme="zoom-in">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="zoom-in"/>
    </property>
    <property name="text">
     <string>Zoom in</string>
@@ -2160,8 +2171,7 @@
     <bool>true</bool>
    </property>
    <property name="icon">
-    <iconset theme="zoom-out">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="zoom-out"/>
    </property>
    <property name="text">
     <string>Zoom out</string>
@@ -2172,8 +2182,7 @@
     <bool>true</bool>
    </property>
    <property name="icon">
-    <iconset theme="zoom-original">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="zoom-original"/>
    </property>
    <property name="text">
     <string>Zoom 1:1</string>
@@ -2184,8 +2193,7 @@
     <bool>true</bool>
    </property>
    <property name="icon">
-    <iconset theme="zoom-fit-best">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="zoom-fit-best"/>
    </property>
    <property name="text">
     <string>Zoom fit best</string>
@@ -2212,8 +2220,7 @@
   </action>
   <action name="actionPrintLayout">
    <property name="icon">
-    <iconset theme="document-print">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="document-print"/>
    </property>
    <property name="text">
     <string>Print</string>
@@ -2224,8 +2231,7 @@
   </action>
   <action name="actionPrintPreviewLayout">
    <property name="icon">
-    <iconset theme="document-print-preview">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="document-print-preview"/>
    </property>
    <property name="text">
     <string>Print preview</string>
@@ -2236,8 +2242,7 @@
   </action>
   <action name="actionPrintTiledLayout">
    <property name="icon">
-    <iconset theme="document-print">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="document-print"/>
    </property>
    <property name="text">
     <string>Print tiled</string>
@@ -2248,8 +2253,7 @@
   </action>
   <action name="actionPrintPreviewTiledLayout">
    <property name="icon">
-    <iconset theme="document-print-preview">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="document-print-preview"/>
    </property>
    <property name="text">
     <string>Print preview tiled</string>
@@ -2268,8 +2272,7 @@
   </action>
   <action name="actionPrintSheet">
    <property name="icon">
-    <iconset theme="document-print">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="document-print"/>
    </property>
    <property name="text">
     <string>Print</string>
@@ -2280,8 +2283,7 @@
   </action>
   <action name="actionPrintPreviewSheet">
    <property name="icon">
-    <iconset theme="document-print-preview">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="document-print-preview"/>
    </property>
    <property name="text">
     <string>Print preview</string>
@@ -2292,8 +2294,7 @@
   </action>
   <action name="actionPrintTiledSheet">
    <property name="icon">
-    <iconset theme="document-print">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="document-print"/>
    </property>
    <property name="text">
     <string>Print tiled</string>
@@ -2304,8 +2305,7 @@
   </action>
   <action name="actionPrintPreviewTiledSheet">
    <property name="icon">
-    <iconset theme="document-print-preview">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="document-print-preview"/>
    </property>
    <property name="text">
     <string>Print preview tiled</string>
@@ -2324,8 +2324,7 @@
   </action>
   <action name="actionWatermarkEditor">
    <property name="icon">
-    <iconset theme="document-new">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="document-new"/>
    </property>
    <property name="text">
     <string>Editor</string>
@@ -2353,8 +2352,7 @@
     <bool>true</bool>
    </property>
    <property name="icon">
-    <iconset theme="document-open">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="document-open"/>
    </property>
    <property name="text">
     <string>Load</string>
@@ -2368,8 +2366,7 @@
     <bool>false</bool>
    </property>
    <property name="icon">
-    <iconset theme="edit-delete">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="edit-delete"/>
    </property>
    <property name="text">
     <string>Remove</string>
@@ -2380,8 +2377,7 @@
   </action>
   <action name="actionZValueBottom">
    <property name="icon">
-    <iconset theme="go-bottom">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="go-bottom"/>
    </property>
    <property name="text">
     <string>Bottom</string>
@@ -2389,8 +2385,7 @@
   </action>
   <action name="actionZValueDown">
    <property name="icon">
-    <iconset theme="go-down">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="go-down"/>
    </property>
    <property name="text">
     <string>Down</string>
@@ -2398,8 +2393,7 @@
   </action>
   <action name="actionZValueUp">
    <property name="icon">
-    <iconset theme="go-up">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="go-up"/>
    </property>
    <property name="text">
     <string>Up</string>
@@ -2407,8 +2401,7 @@
   </action>
   <action name="actionZValueTop">
    <property name="icon">
-    <iconset theme="go-top">
-     <normaloff>.</normaloff>.</iconset>
+    <iconset theme="go-top"/>
    </property>
    <property name="text">
     <string>Top</string>
@@ -2441,8 +2434,8 @@
  </resources>
  <connections/>
  <buttongroups>
-  <buttongroup name="buttonGroupRotationDirection"/>
   <buttongroup name="buttonGroupSheetOrientation"/>
+  <buttongroup name="buttonGroupRotationDirection"/>
   <buttongroup name="buttonGroupTileOrientation"/>
  </buttongroups>
 </ui>

src/app/puzzle/xml/vplayoutfilereader.cpp

@@ -343,6 +343,7 @@ void VPLayoutFileReader::ReadControl(const VPLayoutPtr &layout)
     layout->LayoutSettings().SetFollowGrainline(ReadAttributeBool(attribs, ML::AttrFollowGrainline, falseStr));
     layout->LayoutSettings().SetBoundaryTogetherWithNotches(
         ReadAttributeBool(attribs, ML::AttrBoundaryTogetherWithNotches, falseStr));
+    layout->LayoutSettings().SetCutOnFold(ReadAttributeBool(attribs, ML::AttrCutOnFold, falseStr));
 
     readElementText();
 }
@@ -518,6 +519,7 @@ void VPLayoutFileReader::ReadPiece(const VPPiecePtr &piece)
     piece->SetFollowGrainline(ReadAttributeBool(attribs, ML::AttrFollowGrainline, falseStr));
     piece->SetSewLineOnDrawing(ReadAttributeBool(attribs, ML::AttrSewLineOnDrawing, falseStr));
     piece->SetMatrix(StringToTransfrom(ReadAttributeEmptyString(attribs, ML::AttrTransform)));
+    piece->SetShowFullPiece(ReadAttributeBool(attribs, ML::AttrShowFullPiece, trueStr));
 
     const QStringList tags{
         ML::TagSeamLine,      // 0
@@ -526,7 +528,8 @@ void VPLayoutFileReader::ReadPiece(const VPPiecePtr &piece)
         ML::TagNotches,       // 3
         ML::TagInternalPaths, // 4
         ML::TagMarkers,       // 5
-        ML::TagLabels         // 6
+        ML::TagLabels,        // 6
+        ML::TagMirrorLine     // 7
     };
 
     while (readNextStartElement())
@@ -554,6 +557,9 @@ void VPLayoutFileReader::ReadPiece(const VPPiecePtr &piece)
             case 6: // labels
                 ReadLabels(piece);
                 break;
+            case 7: // mirror line
+                ReadMirrorLines(piece);
+                break;
             default:
                 qCDebug(MLReader, "Ignoring tag %s", qUtf8Printable(name().toString()));
                 skipCurrentElement();
@@ -738,11 +744,12 @@ auto VPLayoutFileReader::ReadInternalPath() -> VLayoutPiecePath
 
     VLayoutPiecePath path;
 
-    QXmlStreamAttributes attribs = attributes();
+    QXmlStreamAttributes const attribs = attributes();
     path.SetCutPath(ReadAttributeBool(attribs, ML::AttrCut, falseStr));
     path.SetPenStyle(LineStyleToPenStyle(ReadAttributeString(attribs, ML::AttrPenStyle, TypeLineLine)));
+    path.SetNotMirrored(ReadAttributeBool(attribs, ML::AttrNotMirrored, falseStr));
 
-    QVector<VLayoutPoint> shape = ReadLayoutPoints();
+    QVector<VLayoutPoint> const shape = ReadLayoutPoints();
     if (shape.isEmpty())
     {
         throw VException(tr("Error in line %1. Internal path shape is empty.").arg(lineNumber()));
@@ -786,14 +793,15 @@ auto VPLayoutFileReader::ReadMarker() -> VLayoutPlaceLabel
 
     VLayoutPlaceLabel marker;
 
-    QXmlStreamAttributes attribs = attributes();
+    QXmlStreamAttributes const attribs = attributes();
 
-    QString matrix = ReadAttributeEmptyString(attribs, ML::AttrTransform);
+    QString const matrix = ReadAttributeEmptyString(attribs, ML::AttrTransform);
     marker.SetRotationMatrix(StringToTransfrom(matrix));
 
     marker.SetType(static_cast<PlaceLabelType>(ReadAttributeUInt(attribs, ML::AttrType, QChar('0'))));
     marker.SetCenter(StringToPoint(ReadAttributeEmptyString(attribs, ML::AttrCenter)));
     marker.SetBox(StringToRect(ReadAttributeEmptyString(attribs, ML::AttrBox)));
+    marker.SetNotMirrored(ReadAttributeBool(attribs, ML::AttrNotMirrored, falseStr));
 
     // cppcheck-suppress unknownMacro
     QT_WARNING_POP
@@ -940,6 +948,54 @@ void VPLayoutFileReader::ReadWatermark(const VPLayoutPtr &layout)
     layout->LayoutSettings().SetWatermarkPath(readElementText());
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VPLayoutFileReader::ReadMirrorLines(const VPPiecePtr &piece)
+{
+    AssertRootTag(ML::TagMirrorLine);
+
+    QXmlStreamAttributes const attribs = attributes();
+
+    piece->SetFoldLineType(StringToFoldLineType(
+        ReadAttributeString(attribs, ML::AttrGrainlineType, FoldLineTypeToString(FoldLineType::TwoArrowsTextAbove))));
+    piece->SetFoldLineHeight(ReadAttributeDouble(attribs, ML::AttrFoldLineHeight, QChar('0')));
+    piece->SetFoldLineWidth(ReadAttributeDouble(attribs, ML::AttrFoldLineWidth, QChar('0')));
+    piece->SetFoldLineCenterPosition(ReadAttributeDouble(attribs, ML::AttrFoldLineCenter, QString::number(0.5)));
+    piece->SetFoldLineLabelFontBold(ReadAttributeBool(attribs, ML::AttrBold, falseStr));
+    piece->SetFoldLineLabelFontItalic(ReadAttributeBool(attribs, ML::AttrItalic, falseStr));
+    piece->SetFoldLineLabelAlignment(
+        ReadAttributeInt(attribs, ML::AttrAlignment, QString::number(static_cast<int>(Qt::AlignHCenter))));
+    piece->SetFoldLineLabel(ReadAttributeEmptyString(attribs, ML::AttrFoldLineLabel));
+    piece->SetFoldLineOutlineFont(FontFromString(ReadAttributeEmptyString(attribs, ML::AttrFont)));
+
+    QStringList const svgFontData = ReadAttributeEmptyString(attribs, ML::AttrSVGFont).split(','_L1);
+    if (!svgFontData.isEmpty())
+    {
+        piece->SetFoldLineSVGFontFamily(svgFontData.constFirst());
+
+        if (svgFontData.size() > 1)
+        {
+            piece->SetFoldLineSvgFontSize(svgFontData.at(1).toUInt());
+        }
+    }
+
+    while (readNextStartElement())
+    {
+        if (name() == ML::TagSeamLine)
+        {
+            piece->SetSeamMirrorLine(StringToLine(readElementText()));
+        }
+        else if (name() == ML::TagSeamAllowance)
+        {
+            piece->SetSeamAllowanceMirrorLine(StringToLine(readElementText()));
+        }
+        else
+        {
+            qCDebug(MLReader, "Ignoring tag %s", qUtf8Printable(name().toString()));
+            skipCurrentElement();
+        }
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 void VPLayoutFileReader::ReadLayoutMargins(const VPLayoutPtr &layout)
 {

src/app/puzzle/xml/vplayoutfilereader.h

@@ -29,9 +29,9 @@
 #ifndef VPLAYOUTFILEREADER_H
 #define VPLAYOUTFILEREADER_H
 
-#include <QXmlStreamReader>
 #include "../ifc/xml/vabstractconverter.h"
 #include "../layout/layoutdef.h"
+#include <QXmlStreamReader>
 
 #include <QLoggingCategory>
 
@@ -47,9 +47,10 @@ class VLayoutPoint;
 class VPLayoutFileReader : public QXmlStreamReader
 {
     Q_DECLARE_TR_FUNCTIONS(VPLayoutFileReader) // NOLINT
+
 public:
-    VPLayoutFileReader()=default;
-    ~VPLayoutFileReader()=default;
+    VPLayoutFileReader() = default;
+    ~VPLayoutFileReader() = default;
 
     auto ReadFile(const VPLayoutPtr &layout, QFile *file) -> bool;
 
@@ -65,7 +66,7 @@ private:
     void ReadUnplacedPieces(const VPLayoutPtr &layout);
     void ReadSheets(const VPLayoutPtr &layout);
     void ReadSheet(const VPLayoutPtr &layout);
-    void ReadPieces(const VPLayoutPtr &layout, const VPSheetPtr &sheet=VPSheetPtr());
+    void ReadPieces(const VPLayoutPtr &layout, const VPSheetPtr &sheet = VPSheetPtr());
     void ReadPiece(const VPPiecePtr &piece);
     auto ReadLayoutPoint() -> VLayoutPoint;
     auto ReadLayoutPoints() -> QVector<VLayoutPoint>;
@@ -84,7 +85,7 @@ private:
     auto ReadLabelLines() -> VTextManager;
     auto ReadLabelLine() -> TextLine;
     void ReadWatermark(const VPLayoutPtr &layout);
-
+    void ReadMirrorLines(const VPPiecePtr &piece);
 
     void ReadLayoutMargins(const VPLayoutPtr &layout);
     void ReadSheetMargins(const VPSheetPtr &sheet);
@@ -92,17 +93,17 @@ private:
 
     void AssertRootTag(const QString &tag) const;
 
-    static auto ReadAttributeString(const QXmlStreamAttributes &attribs, const QString &name,
-                                    const QString &defValue) -> QString;
+    static auto ReadAttributeString(const QXmlStreamAttributes &attribs, const QString &name, const QString &defValue)
+        -> QString;
     static auto ReadAttributeEmptyString(const QXmlStreamAttributes &attribs, const QString &name) -> QString;
-    static auto ReadAttributeBool(const QXmlStreamAttributes &attribs, const QString &name,
-                                  const QString &defValue) -> bool;
-    static auto ReadAttributeDouble(const QXmlStreamAttributes &attribs, const QString &name,
-                                    const QString &defValue) -> qreal;
-    static auto ReadAttributeUInt(const QXmlStreamAttributes &attribs, const QString &name,
-                                  const QString &defValue) -> quint32;
-    static auto ReadAttributeInt(const QXmlStreamAttributes &attribs, const QString &name,
-                                 const QString &defValue) -> int;
+    static auto ReadAttributeBool(const QXmlStreamAttributes &attribs, const QString &name, const QString &defValue)
+        -> bool;
+    static auto ReadAttributeDouble(const QXmlStreamAttributes &attribs, const QString &name, const QString &defValue)
+        -> qreal;
+    static auto ReadAttributeUInt(const QXmlStreamAttributes &attribs, const QString &name, const QString &defValue)
+        -> quint32;
+    static auto ReadAttributeInt(const QXmlStreamAttributes &attribs, const QString &name, const QString &defValue)
+        -> int;
 };
 
 #endif // VPLAYOUTFILEREADER_H

src/app/puzzle/xml/vplayoutfilewriter.cpp

@@ -35,6 +35,8 @@
 #include "../vlayout/vlayoutpiecepath.h"
 #include "../vlayout/vtextmanager.h"
 #include "../vmisc/projectversion.h"
+#include "def.h"
+#include "qnumeric.h"
 #include "vplayoutliterals.h"
 
 namespace
@@ -174,6 +176,8 @@ void VPLayoutFileWriter::WriteLayoutProperties(const VPLayoutPtr &layout)
     SetAttribute(ML::AttrPiecesGap, layout->LayoutSettings().GetPiecesGap());
     SetAttribute(ML::AttrFollowGrainline, layout->LayoutSettings().GetFollowGrainline());
     SetAttribute(ML::AttrBoundaryTogetherWithNotches, layout->LayoutSettings().IsBoundaryTogetherWithNotches());
+    SetAttributeOrRemoveIf<bool>(ML::AttrCutOnFold, layout->LayoutSettings().IsCutOnFold(),
+                                 [](bool cut) noexcept { return not cut; });
     writeEndElement(); // control
 
     WriteTiles(layout);
@@ -284,6 +288,8 @@ void VPLayoutFileWriter::WritePiece(const VPPiecePtr &piece)
                                   [](qreal ys) noexcept { return VFuzzyComparePossibleNulls(ys, 1.0); });
     SetAttributeOrRemoveIf<qreal>(ML::AttrZValue, piece->ZValue(),
                                   [](qreal z) noexcept { return VFuzzyComparePossibleNulls(z, 1.0); });
+    SetAttributeOrRemoveIf<bool>(ML::AttrShowFullPiece, piece->IsShowFullPiece(),
+                                 [](bool show) noexcept { return show; });
 
     writeStartElement(ML::TagSeamLine);
     QVector<VLayoutPoint> contourPoints = piece->GetContourPoints();
@@ -340,6 +346,8 @@ void VPLayoutFileWriter::WritePiece(const VPPiecePtr &piece)
         writeStartElement(ML::TagInternalPath);
         SetAttribute(ML::AttrCut, path.IsCutPath());
         SetAttribute(ML::AttrPenStyle, PenStyleToLineStyle(path.PenStyle()));
+        SetAttributeOrRemoveIf<bool>(ML::AttrNotMirrored, path.IsNotMirrored(),
+                                     [](bool mirrored) noexcept { return mirrored; });
 
         QVector<VLayoutPoint> points = path.Points();
         for (auto &point : points)
@@ -360,6 +368,8 @@ void VPLayoutFileWriter::WritePiece(const VPPiecePtr &piece)
         SetAttribute(ML::AttrType, static_cast<int>(label.Type()));
         SetAttribute(ML::AttrCenter, PointToString(label.Center()));
         SetAttribute(ML::AttrBox, RectToString(label.Box()));
+        SetAttributeOrRemoveIf<bool>(ML::AttrNotMirrored, label.IsNotMirrored(),
+                                     [](bool mirrored) noexcept { return mirrored; });
         writeEndElement();
     }
     writeEndElement();
@@ -369,6 +379,51 @@ void VPLayoutFileWriter::WritePiece(const VPPiecePtr &piece)
     WriteLabel(piece->GetPatternLabelRect(), piece->GetPatternLabelData(), ML::TagPatternLabel);
     writeEndElement();
 
+    QLineF const seamMirrorLine = piece->GetSeamMirrorLine();
+    QLineF const seamAllowenceMirrorLine = piece->GetSeamAllowanceMirrorLine();
+    if (!seamMirrorLine.isNull() || !seamAllowenceMirrorLine.isNull())
+    {
+        writeStartElement(ML::TagMirrorLine);
+
+        SetAttribute(ML::AttrFoldLineType, FoldLineTypeToString(piece->GetFoldLineType()));
+        SetAttributeOrRemoveIf<qreal>(ML::AttrFoldLineHeight, piece->GetFoldLineHeight(),
+                                      [](qreal height) noexcept { return qFuzzyIsNull(height); });
+        SetAttributeOrRemoveIf<qreal>(ML::AttrFoldLineWidth, piece->GetFoldLineWidth(),
+                                      [](qreal width) noexcept { return qFuzzyIsNull(width); });
+        SetAttributeOrRemoveIf<qreal>(ML::AttrFoldLineCenter, piece->GetFoldLineCenterPosition(),
+                                      [](qreal center) noexcept { return VFuzzyComparePossibleNulls(center, 0.5); });
+        SetAttributeOrRemoveIf<bool>(ML::AttrItalic, piece->IsFoldLineLabelFontItalic(),
+                                     [](bool italic) noexcept { return not italic; });
+        SetAttributeOrRemoveIf<bool>(ML::AttrBold, piece->IsFoldLineLabelFontBold(),
+                                     [](bool bold) noexcept { return not bold; });
+        SetAttributeOrRemoveIf<QString>(ML::AttrFoldLineLabel, piece->GetFoldLineLabel(),
+                                        [](const QString &label) noexcept { return label.isEmpty(); });
+        SetAttributeOrRemoveIf<int>(ML::AttrAlignment, piece->GetFoldLineLabelAlignment(),
+                                    [](int alignment) noexcept { return alignment == Qt::AlignHCenter; });
+        SetAttributeOrRemoveIf<QString>(ML::AttrFont, piece->GetFoldLineOutlineFont().toString(),
+                                        [piece](const QString &) { return piece->GetFoldLineLabel().isEmpty(); });
+        SetAttributeOrRemoveIf<QString>(
+            ML::AttrSVGFont,
+            QStringLiteral("%1,%2").arg(piece->GetFoldLineSVGFontFamily()).arg(piece->GetFoldLineSvgFontSize()),
+            [piece](const QString &) { return piece->GetFoldLineLabel().isEmpty(); });
+
+        if (!seamMirrorLine.isNull())
+        {
+            writeStartElement(ML::TagSeamLine);
+            writeCharacters(LineToString(seamMirrorLine));
+            writeEndElement();
+        }
+
+        if (!seamAllowenceMirrorLine.isNull())
+        {
+            writeStartElement(ML::TagSeamAllowance);
+            writeCharacters(LineToString(seamAllowenceMirrorLine));
+            writeEndElement();
+        }
+
+        writeEndElement();
+    }
+
     writeEndElement();
 }
 
@@ -389,7 +444,7 @@ void VPLayoutFileWriter::WriteLabelLines(const VTextManager &tm)
 {
     writeStartElement(ML::TagLines);
     SetAttribute(ML::AttrFont, tm.GetFont().toString());
-    SetAttribute(ML::AttrSVGFont, QStringLiteral("%1,%2").arg(tm.GetSVGFontFamily(), tm.GetSVGFontPointSize()));
+    SetAttribute(ML::AttrSVGFont, QStringLiteral("%1,%2").arg(tm.GetSVGFontFamily()).arg(tm.GetSVGFontPointSize()));
 
     for (int i = 0; i < tm.GetSourceLinesCount(); ++i)
     {

src/app/puzzle/xml/vplayoutliterals.cpp

@@ -67,6 +67,7 @@ const QString TagLine = QStringLiteral("line");                     // NOLINT(ce
 const QString TagScale = QStringLiteral("scale");                   // NOLINT(cert-err58-cpp)
 const QString TagWatermark = QStringLiteral("watermark");           // NOLINT(cert-err58-cpp)
 const QString TagPoint = QStringLiteral("point");                   // NOLINT(cert-err58-cpp)
+const QString TagMirrorLine = QStringLiteral("mirrorLine");         // NOLINT(cert-err58-cpp)
 
 const QString AttrWarningSuperposition = QStringLiteral("warningSuperposition");               // NOLINT(cert-err58-cpp)
 const QString AttrWarningOutOfBound = QStringLiteral("warningOutOfBound");                     // NOLINT(cert-err58-cpp)
@@ -123,6 +124,14 @@ const QString AttrY = QStringLiteral("y");
 const QString AttrTurnPoint = QStringLiteral("turnPoint");                                     // NOLINT(cert-err58-cpp)
 const QString AttrCurvePoint = QStringLiteral("curvePoint");                                   // NOLINT(cert-err58-cpp)
 const QString AttrClockwiseOpening = QStringLiteral("clockwiseOpening");                       // NOLINT(cert-err58-cpp)
+const QString AttrShowFullPiece = QStringLiteral("showFullPiece");                             // NOLINT(cert-err58-cpp)
+const QString AttrNotMirrored = QStringLiteral("notMirrored");                                 // NOLINT(cert-err58-cpp)
+const QString AttrCutOnFold = QStringLiteral("cutOnFold");                                     // NOLINT(cert-err58-cpp)
+const QString AttrFoldLineType = QStringLiteral("type");                                       // NOLINT(cert-err58-cpp)
+const QString AttrFoldLineHeight = QStringLiteral("height");                                   // NOLINT(cert-err58-cpp)
+const QString AttrFoldLineWidth = QStringLiteral("width");                                     // NOLINT(cert-err58-cpp)
+const QString AttrFoldLineCenter = QStringLiteral("center");                                   // NOLINT(cert-err58-cpp)
+const QString AttrFoldLineLabel = QStringLiteral("label");                                     // NOLINT(cert-err58-cpp)
 
 const QString oneWayUpStr = QStringLiteral("oneWayUp");                             // NOLINT(cert-err58-cpp)
 const QString oneWayDownStr = QStringLiteral("oneWayDown");                         // NOLINT(cert-err58-cpp)

src/app/puzzle/xml/vplayoutliterals.h

@@ -66,6 +66,7 @@ extern const QString TagLine;
 extern const QString TagScale;
 extern const QString TagWatermark;
 extern const QString TagPoint;
+extern const QString TagMirrorLine;
 
 extern const QString AttrWarningSuperposition;
 extern const QString AttrWarningOutOfBound;
@@ -122,6 +123,14 @@ extern const QString AttrY;
 extern const QString AttrTurnPoint;
 extern const QString AttrCurvePoint;
 extern const QString AttrClockwiseOpening;
+extern const QString AttrShowFullPiece;
+extern const QString AttrNotMirrored;
+extern const QString AttrCutOnFold;
+extern const QString AttrFoldLineType;
+extern const QString AttrFoldLineHeight;
+extern const QString AttrFoldLineWidth;
+extern const QString AttrFoldLineCenter;
+extern const QString AttrFoldLineLabel;
 
 extern const QString oneWayUpStr;
 extern const QString oneWayDownStr;

src/app/share/collection/bugs/fold_line.val

@@ -0,0 +1,89 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<pattern labelPrefix="uk">
+    <!--Pattern created with Valentina v0.7.52.902 (https://smart-pattern.com.ua/).-->
+    <version>0.9.4</version>
+    <unit>cm</unit>
+    <description/>
+    <notes/>
+    <measurements/>
+    <increments/>
+    <previewCalculations/>
+    <draw name="Pattern piece 1">
+        <calculation>
+            <point id="1" mx="0.264583" my="0.396875" name="А" showLabel="true" type="single" x="0.79375" y="1.05833"/>
+            <point angle="270" basePoint="1" id="2" length="15" lineColor="black" mx="0.264583" my="0.396875" name="А1" showLabel="true" type="endLine" typeLine="hair"/>
+            <point angle="0" basePoint="1" id="3" length="20" lineColor="black" mx="0.264583" my="0.396875" name="А2" showLabel="true" type="endLine" typeLine="hair"/>
+            <point angle="270" basePoint="3" id="4" length="10" lineColor="black" mx="0.264583" my="0.396875" name="А3" showLabel="true" type="endLine" typeLine="hair"/>
+            <line firstPoint="2" id="5" lineColor="black" secondPoint="4" typeLine="hair"/>
+        </calculation>
+        <modeling>
+            <point id="10" idObject="1" inUse="false" mx="0.264583" my="0.396875" showLabel="true" type="modeling"/>
+            <point id="11" idObject="3" inUse="false" mx="0.264583" my="0.396875" showLabel="true" type="modeling"/>
+            <point id="12" idObject="4" inUse="false" mx="0.264583" my="0.396875" showLabel="true" type="modeling"/>
+            <point id="13" idObject="2" inUse="false" mx="0.264583" my="0.396875" showLabel="true" type="modeling"/>
+            <point id="15" idObject="1" inUse="false" mx="0.264583" my="0.396875" showLabel="true" type="modeling"/>
+            <point id="16" idObject="3" inUse="false" mx="0.264583" my="0.396875" showLabel="true" type="modeling"/>
+            <point id="17" idObject="4" inUse="false" mx="0.264583" my="0.396875" showLabel="true" type="modeling"/>
+            <point id="18" idObject="2" inUse="false" mx="0.264583" my="0.396875" showLabel="true" type="modeling"/>
+            <point id="20" idObject="1" inUse="true" mx="0.264583" my="0.396875" showLabel="true" type="modeling"/>
+            <point id="21" idObject="3" inUse="true" mx="0.264583" my="0.396875" showLabel="true" type="modeling"/>
+            <point id="22" idObject="4" inUse="true" mx="0.264583" my="0.396875" showLabel="true" type="modeling"/>
+            <point id="23" idObject="2" inUse="true" mx="0.264583" my="0.396875" showLabel="true" type="modeling"/>
+            <point id="25" idObject="1" inUse="true" mx="0.264583" my="0.396875" showLabel="true" type="modeling"/>
+            <point id="26" idObject="3" inUse="true" mx="0.264583" my="0.396875" showLabel="true" type="modeling"/>
+            <point id="27" idObject="4" inUse="true" mx="0.264583" my="0.396875" showLabel="true" type="modeling"/>
+            <point id="28" idObject="2" inUse="true" mx="0.264583" my="0.396875" showLabel="true" type="modeling"/>
+        </modeling>
+        <details>
+            <detail followGrainline="false" forbidFlipping="false" forceFlipping="false" hideMainPath="false" id="14" mx="0" my="0" name="Case 1" seamAllowance="true" sewLineOnDrawing="false" uuid="{410acde1-f2f0-4603-89e9-f2569843673b}" version="2" width="1">
+                <data annotation="" foldPosition="" height="10" letter="" mx="0" my="0" onFold="false" orientation="" quantity="1" rotation="0" rotationWay="" tilt="" visible="false" width="10"/>
+                <patternInfo height="10" mx="0" my="0" rotation="0" visible="false" width="10"/>
+                <grainline arrows="0" length="10" mx="0" my="0" rotation="90" visible="false"/>
+                <nodes>
+                    <node idObject="10" type="NodePoint"/>
+                    <node idObject="11" type="NodePoint"/>
+                    <node idObject="12" type="NodePoint"/>
+                    <node idObject="13" type="NodePoint"/>
+                </nodes>
+                <mirrorLine fontSize="6" p1="12" p2="13" type="none"/>
+            </detail>
+            <detail followGrainline="false" forbidFlipping="false" forceFlipping="false" hideMainPath="false" id="19" mx="31.0026" my="-0.303098" name="Case 2" seamAllowance="true" sewLineOnDrawing="false" uuid="{5ce7b61f-1d49-4ef3-8922-521b9aac6b49}" version="2" width="1">
+                <data annotation="" foldPosition="" height="10" letter="" mx="0" my="0" onFold="false" orientation="" quantity="1" rotation="0" rotationWay="" tilt="" visible="false" width="10"/>
+                <patternInfo height="10" mx="0" my="0" rotation="0" visible="false" width="10"/>
+                <grainline arrows="0" length="10" mx="0" my="0" rotation="90" visible="false"/>
+                <nodes>
+                    <node idObject="16" type="NodePoint"/>
+                    <node idObject="17" type="NodePoint"/>
+                    <node idObject="18" type="NodePoint"/>
+                    <node idObject="15" type="NodePoint"/>
+                </nodes>
+                <mirrorLine fontSize="6" p1="17" p2="18" type="none"/>
+            </detail>
+            <detail followGrainline="false" forbidFlipping="false" forceFlipping="false" hideMainPath="false" id="24" mx="66.2511" my="-0.29709" name="Case 3" seamAllowance="true" sewLineOnDrawing="false" uuid="{cce244ba-8361-44ef-841a-dea47de205c7}" version="2" width="1">
+                <data annotation="" foldPosition="" height="10" letter="" mx="0" my="0" onFold="false" orientation="" quantity="1" rotation="0" rotationWay="" tilt="" visible="false" width="10"/>
+                <patternInfo height="10" mx="0" my="0" rotation="0" visible="false" width="10"/>
+                <grainline arrows="0" length="10" mx="0" my="0" rotation="90" visible="false"/>
+                <nodes>
+                    <node idObject="22" type="NodePoint"/>
+                    <node idObject="23" type="NodePoint"/>
+                    <node idObject="20" type="NodePoint"/>
+                    <node idObject="21" type="NodePoint"/>
+                </nodes>
+                <mirrorLine fontSize="6" p1="22" p2="23" type="none"/>
+            </detail>
+            <detail followGrainline="false" forbidFlipping="false" forceFlipping="false" hideMainPath="false" id="29" mx="101.666" my="0" name="Case 4" seamAllowance="true" sewLineOnDrawing="false" uuid="{c73f153b-9a1a-4a09-9117-b4b8ab4808a7}" version="2" width="1">
+                <data annotation="" foldPosition="" height="10" letter="" mx="0" my="0" onFold="false" orientation="" quantity="1" rotation="0" rotationWay="" tilt="" visible="false" width="10"/>
+                <patternInfo height="10" mx="0" my="0" rotation="0" visible="false" width="10"/>
+                <grainline arrows="0" length="10" mx="0" my="0" rotation="90" visible="false"/>
+                <nodes>
+                    <node idObject="28" type="NodePoint"/>
+                    <node idObject="25" type="NodePoint"/>
+                    <node idObject="26" type="NodePoint"/>
+                    <node idObject="27" type="NodePoint"/>
+                </nodes>
+                <mirrorLine fontSize="6" p1="27" p2="28" type="none"/>
+            </detail>
+        </details>
+        <groups/>
+    </draw>
+</pattern>

src/app/valentina/core/vtooloptionspropertybrowser.cpp

@@ -2850,8 +2850,8 @@ void VToolOptionsPropertyBrowser::ShowOptionsToolTrueDarts(QGraphicsItem *item)
     AddPropertyParentPointName(i->BaseLineP1Name(), tr("First base point:"), AttrFirstPoint);
     AddPropertyParentPointName(i->BaseLineP2Name(), tr("Second base point:"), AttrSecondPoint);
     AddPropertyParentPointName(i->DartP1Name(), tr("First dart point:"), AttrDartP1);
-    AddPropertyParentPointName(i->DartP2Name(), tr("First dart point:"), AttrDartP2);
-    AddPropertyParentPointName(i->DartP3Name(), tr("First dart point:"), AttrDartP3);
+    AddPropertyParentPointName(i->DartP2Name(), tr("Second dart point:"), AttrDartP2);
+    AddPropertyParentPointName(i->DartP3Name(), tr("Third dart point:"), AttrDartP3);
     AddPropertyText(tr("Notes:"), i->GetNotes(), AttrNotes);
 }
 

src/app/valentina/dialogs/configpages/preferencespatternpage.cpp

@@ -323,7 +323,7 @@ void PreferencesPatternPage::InitLabelFontSizes()
     ui->comboBoxLabelFontSize->clear();
 
     // Get the available font sizes
-    QList<int> sizes = QFontDatabase::standardSizes();
+    QList<int> const sizes = QFontDatabase::standardSizes();
     for (auto size : sizes)
     {
         if (size >= VCommonSettings::MinPieceLabelFontPointSize())

src/app/valentina/dialogs/dialogsavelayout.cpp

@@ -126,7 +126,6 @@ DialogSaveLayout::DialogSaveLayout(int count, Draw mode, const QString &fileName
     else
     {
         RemoveFormatFromList(LayoutExportFormats::RLD);
-        ui->checkBoxTextAsPaths->setVisible(false);
     }
 
     connect(bOk, &QPushButton::clicked, this, &DialogSaveLayout::Save);
@@ -439,9 +438,12 @@ void DialogSaveLayout::ShowExample()
     ui->labelOptionsNotAvailable->setVisible(false);
     ui->checkBoxBinaryDXF->setVisible(false);
     ui->checkBoxTextAsPaths->setVisible(false);
+    ui->checkBoxTextAsPaths->setEnabled(true);
     ui->checkBoxShowGrainline->setVisible(false);
     ui->checkBoxTogetherWithNotches->setVisible(false);
 
+    VCommonSettings *settings = VAbstractApplication::VApp()->Settings();
+
     switch (currentFormat)
     {
         case LayoutExportFormats::DXF_AAMA:
@@ -452,7 +454,12 @@ void DialogSaveLayout::ShowExample()
         case LayoutExportFormats::PDFTiled:
             ui->groupBoxPaperFormat->setEnabled(true);
             ui->groupBoxMargins->setEnabled(true);
-            ui->checkBoxTextAsPaths->setVisible(m_mode != Draw::Layout);
+            ui->checkBoxTextAsPaths->setVisible(true);
+            if (settings->GetSingleLineFonts() || settings->GetSingleStrokeOutlineFont())
+            {
+                ui->checkBoxTextAsPaths->setDisabled(true);
+                ui->checkBoxTextAsPaths->setChecked(true);
+            }
             ui->checkBoxShowGrainline->setVisible(true);
             ui->checkBoxTogetherWithNotches->setVisible(m_mode != Draw::Layout);
             break;
@@ -463,11 +470,16 @@ void DialogSaveLayout::ShowExample()
             break;
         case LayoutExportFormats::SVG:
         case LayoutExportFormats::PDF:
-        case LayoutExportFormats::PNG:
         case LayoutExportFormats::PS:
         case LayoutExportFormats::EPS:
+        case LayoutExportFormats::PNG:
         case LayoutExportFormats::TIF:
-            ui->checkBoxTextAsPaths->setVisible(m_mode != Draw::Layout);
+            ui->checkBoxTextAsPaths->setVisible(true);
+            if (settings->GetSingleLineFonts() || settings->GetSingleStrokeOutlineFont())
+            {
+                ui->checkBoxTextAsPaths->setDisabled(true);
+                ui->checkBoxTextAsPaths->setChecked(true);
+            }
             ui->checkBoxShowGrainline->setVisible(true);
             ui->checkBoxTogetherWithNotches->setVisible(m_mode != Draw::Layout);
             break;
@@ -481,7 +493,12 @@ void DialogSaveLayout::ShowExample()
         case LayoutExportFormats::DXF_AC1024_Flat:
         case LayoutExportFormats::DXF_AC1027_Flat:
             ui->checkBoxBinaryDXF->setVisible(true);
-            ui->checkBoxTextAsPaths->setVisible(m_mode != Draw::Layout);
+            ui->checkBoxTextAsPaths->setVisible(true);
+            if (settings->GetSingleLineFonts() || settings->GetSingleStrokeOutlineFont())
+            {
+                ui->checkBoxTextAsPaths->setDisabled(true);
+                ui->checkBoxTextAsPaths->setChecked(true);
+            }
             ui->checkBoxShowGrainline->setVisible(true);
             ui->checkBoxTogetherWithNotches->setVisible(m_mode != Draw::Layout);
             break;
@@ -533,14 +550,7 @@ auto DialogSaveLayout::IsTextAsPaths() const -> bool
 //---------------------------------------------------------------------------------------------------------------------
 void DialogSaveLayout::SetTextAsPaths(bool textAsPaths)
 {
-    if (m_mode != Draw::Layout)
-    {
-        ui->checkBoxTextAsPaths->setChecked(textAsPaths);
-    }
-    else
-    {
-        ui->checkBoxTextAsPaths->setChecked(false);
-    }
+    ui->checkBoxTextAsPaths->setChecked(textAsPaths);
 }
 
 //---------------------------------------------------------------------------------------------------------------------

src/app/valentina/dialogs/dialogsavelayout.ui

@@ -138,7 +138,7 @@
            <string>Show grainline</string>
           </property>
           <property name="checked">
-           <bool>false</bool>
+           <bool>true</bool>
           </property>
          </widget>
         </item>

src/app/valentina/mainwindow.cpp

@@ -4274,7 +4274,12 @@ void MainWindow::on_actionCreateManualLayout_triggered()
         DialogLayoutScale layoutScale(false, this);
         layoutScale.SetXScale(1);
         layoutScale.SetYScale(1);
-        layoutScale.exec();
+        int const res = layoutScale.exec();
+
+        if (res == QDialog::Rejected)
+        {
+            return;
+        }
 
         VLayoutExporter exporter;
         exporter.SetFileName(rldFile.fileName());

src/app/valentina/xml/vpattern.cpp

@@ -33,6 +33,7 @@
 #include "../ifc/exception/vexceptionobjecterror.h"
 #include "../ifc/exception/vexceptionundo.h"
 #include "../ifc/exception/vexceptionwrongid.h"
+#include "../ifc/ifcdef.h"
 #include "../ifc/xml/vpatternconverter.h"
 #include "../qmuparser/qmuparsererror.h"
 #include "../qmuparser/qmutokenparser.h"
@@ -43,6 +44,7 @@
 #include "../vgeometry/vsplinepath.h"
 #include "../vmisc/compatibility.h"
 #include "../vmisc/customevents.h"
+#include "../vmisc/def.h"
 #include "../vmisc/projectversion.h"
 #include "../vmisc/vsysexits.h"
 #include "../vmisc/vvalentinasettings.h"
@@ -54,11 +56,6 @@
 #include "../vpatterndb/vnodedetail.h"
 #include "../vpatterndb/vpiecenode.h"
 #include "../vpatterndb/vpiecepath.h"
-#include "../vtools/tools/vdatatool.h"
-#include "../vtools/tools/vtoolseamallowance.h"
-#include "../vtools/tools/vtooluniondetails.h"
-#include "../vwidgets/vabstractmainwindow.h"
-
 #include "../vtools/tools/drawTools/operation/flipping/vtoolflippingbyaxis.h"
 #include "../vtools/tools/drawTools/operation/flipping/vtoolflippingbyline.h"
 #include "../vtools/tools/drawTools/operation/vtoolmove.h"
@@ -93,7 +90,6 @@
 #include "../vtools/tools/drawTools/toolpoint/toolsinglepoint/vtoolpointofintersectioncurves.h"
 #include "../vtools/tools/drawTools/toolpoint/toolsinglepoint/vtooltriangle.h"
 #include "../vtools/tools/drawTools/vtoolline.h"
-
 #include "../vtools/tools/nodeDetails/vnodearc.h"
 #include "../vtools/tools/nodeDetails/vnodeellipticalarc.h"
 #include "../vtools/tools/nodeDetails/vnodepoint.h"
@@ -102,6 +98,11 @@
 #include "../vtools/tools/nodeDetails/vtoolpiecepath.h"
 #include "../vtools/tools/nodeDetails/vtoolpin.h"
 #include "../vtools/tools/nodeDetails/vtoolplacelabel.h"
+#include "../vtools/tools/vdatatool.h"
+#include "../vtools/tools/vtoolseamallowance.h"
+#include "../vtools/tools/vtooluniondetails.h"
+#include "../vwidgets/vabstractmainwindow.h"
+#include "qminmax.h"
 
 #if QT_VERSION < QT_VERSION_CHECK(5, 12, 0)
 #include "../vmisc/backport/qscopeguard.h"
@@ -161,6 +162,51 @@ auto DefLabelLanguage() -> QString
     }
     return def;
 }
+
+struct VPieceFoldLineData
+{
+    quint32 p1{NULL_ID};
+    quint32 p2{NULL_ID};
+    QString heightFormula{};
+    QString widthFormula{};
+    QString centerFormula{};
+    bool manualHeight{false};
+    bool manualWidth{false};
+    bool manualCenter{false};
+    FoldLineType type{FoldLineType::TwoArrowsTextAbove};
+    unsigned int fontSize{defFoldLineFontSize};
+    bool italic{false};
+    bool bold{false};
+    QString label{};
+    int alignment{Qt::AlignHCenter};
+};
+
+//---------------------------------------------------------------------------------------------------------------------
+auto ParsePieceMirrorLine(const QDomElement &domElement) -> VPieceFoldLineData
+{
+    VPieceFoldLineData data;
+
+    data.p1 = VDomDocument::GetParametrUInt(domElement, VAbstractPattern::AttrMirrorLineP1, NULL_ID_STR);
+    data.p2 = VDomDocument::GetParametrUInt(domElement, VAbstractPattern::AttrMirrorLineP2, NULL_ID_STR);
+    data.heightFormula = VDomDocument::GetParametrEmptyString(domElement, VAbstractPattern::AttrFoldLineHeightFormula);
+    data.widthFormula = VDomDocument::GetParametrEmptyString(domElement, VAbstractPattern::AttrFoldLineWidthFormula);
+    data.centerFormula = VDomDocument::GetParametrEmptyString(domElement, VAbstractPattern::AttrFoldLineCenterFormula);
+    data.manualHeight = VDomDocument::GetParametrBool(domElement, VAbstractPattern::AttrFoldLineManualHeight, falseStr);
+    data.manualWidth = VDomDocument::GetParametrBool(domElement, VAbstractPattern::AttrFoldLineManualWidth, falseStr);
+    data.manualCenter = VDomDocument::GetParametrBool(domElement, VAbstractPattern::AttrFoldLineManualCenter, falseStr);
+    data.type = StringToFoldLineType(VDomDocument::GetParametrString(
+        domElement, VAbstractPattern::AttrFoldLineType, FoldLineTypeToString(FoldLineType::TwoArrowsTextAbove)));
+    data.fontSize = qMax(static_cast<unsigned int>(VCommonSettings::MinPieceLabelFontPointSize()),
+                         VDomDocument::GetParametrUInt(domElement, VAbstractPattern::AttrFoldLineFontSize,
+                                                       QString::number(defFoldLineFontSize)));
+    data.italic = VDomDocument::GetParametrBool(domElement, VDomDocument::AttrItalic, falseStr);
+    data.bold = VDomDocument::GetParametrBool(domElement, VDomDocument::AttrBold, falseStr);
+    data.label = VDomDocument::GetParametrEmptyString(domElement, VAbstractPattern::AttrFoldLineLabel);
+    data.alignment =
+        VDomDocument::GetParametrInt(domElement, VDomDocument::AttrAlignment, QString::number(Qt::AlignHCenter));
+
+    return data;
+}
 } // anonymous namespace
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -956,6 +1002,7 @@ void VPattern::ParseDetailElement(QDomElement &domElement, const Document &parse
         initData.detail.SetHideMainPath(
             GetParametrBool(domElement, VToolSeamAllowance::AttrHideMainPath,
                             QString().setNum(VAbstractValApplication::VApp()->ValentinaSettings()->IsHideMainPath())));
+        initData.detail.SetShowFullPiece(GetParametrBool(domElement, VToolSeamAllowance::AttrShowFullPiece, trueStr));
         initData.detail.SetSeamAllowanceBuiltIn(
             GetParametrBool(domElement, VToolSeamAllowance::AttrSeamAllowanceBuiltIn, falseStr));
         initData.detail.SetForbidFlipping(GetParametrBool(
@@ -1009,9 +1056,15 @@ void VPattern::ParseDetailInternals(const QDomElement &domElement, VPiece &detai
 {
     const uint version = GetParametrUInt(domElement, AttrVersion, QChar('1'));
 
-    const QStringList tags = QStringList() << TagNodes << TagData << TagPatternInfo << TagGrainline
-                                           << VToolSeamAllowance::TagCSA << VToolSeamAllowance::TagIPaths
-                                           << VToolSeamAllowance::TagPins << VToolSeamAllowance::TagPlaceLabels;
+    const QStringList tags{TagNodes,
+                           TagData,
+                           TagPatternInfo,
+                           TagGrainline,
+                           VToolSeamAllowance::TagCSA,
+                           VToolSeamAllowance::TagIPaths,
+                           VToolSeamAllowance::TagPins,
+                           VToolSeamAllowance::TagPlaceLabels,
+                           VToolSeamAllowance::TagMirrorLine};
 
     QFuture<QVector<VPieceNode>> futurePathV1;
     QFuture<VPiecePath> futurePathV2;
@@ -1022,6 +1075,7 @@ void VPattern::ParseDetailInternals(const QDomElement &domElement, VPiece &detai
     QFuture<QVector<quint32>> futureIPaths;
     QFuture<QVector<quint32>> futurePins;
     QFuture<QVector<quint32>> futurePlaceLabels;
+    QFuture<VPieceFoldLineData> futureMirrorLine;
 
     const QDomNodeList nodeList = domElement.childNodes();
     for (qint32 i = 0; i < nodeList.size(); ++i)
@@ -1076,6 +1130,9 @@ void VPattern::ParseDetailInternals(const QDomElement &domElement, VPiece &detai
                 case 7: // VToolSeamAllowance::TagPlaceLabels
                     futurePlaceLabels = QtConcurrent::run(&VPattern::ParsePiecePointRecords, element);
                     break;
+                case 8: // VToolSeamAllowance::TagMirrorLine
+                    futureMirrorLine = QtConcurrent::run(&ParsePieceMirrorLine, element);
+                    break;
                 default:
                     break;
             }
@@ -1125,6 +1182,25 @@ void VPattern::ParseDetailInternals(const QDomElement &domElement, VPiece &detai
     {
         detail.SetPlaceLabels(futurePlaceLabels.result());
     }
+
+    if (not futureMirrorLine.isCanceled())
+    {
+        VPieceFoldLineData const data = futureMirrorLine.result();
+        detail.SetMirrorLineStartPoint(data.p1);
+        detail.SetMirrorLineEndPoint(data.p2);
+        detail.SetManualFoldHeight(data.manualHeight);
+        detail.SetManualFoldWidth(data.manualWidth);
+        detail.SetManualFoldCenter(data.manualCenter);
+        detail.SetFormulaFoldHeight(data.heightFormula);
+        detail.SetFormulaFoldWidth(data.widthFormula);
+        detail.SetFormulaFoldCenter(data.centerFormula);
+        detail.SetFoldLineType(data.type);
+        detail.SetFoldLineSvgFontSize(data.fontSize);
+        detail.SetFoldLineLabelFontItalic(data.italic);
+        detail.SetFoldLineLabelFontBold(data.bold);
+        detail.SetFoldLineLabel(data.label);
+        detail.SetFoldLineLabelAlignment(data.alignment);
+    }
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -2042,6 +2118,8 @@ void VPattern::ParsePlaceLabel(QDomElement &domElement, const Document &parse)
 
         initData.type = static_cast<PlaceLabelType>(GetParametrUInt(domElement, AttrPlaceLabelType, QChar('0')));
 
+        initData.notMirrored = GetParametrBool(domElement, AttrNotMirrored, falseStr);
+
         VToolPlaceLabel::Create(initData);
 
         // Rewrite attribute formula. Need for situation when we have wrong formula.
@@ -4096,6 +4174,7 @@ void VPattern::ParsePathElement(VMainGraphicsScene *scene, QDomElement &domEleme
             initData.path.SetFirstToCuttingContour(GetParametrBool(domElement, AttrFirstToContour, falseStr));
             initData.path.SetLastToCuttingContour(GetParametrBool(domElement, AttrLastToContour, falseStr));
             initData.path.SetVisibilityTrigger(GetParametrString(domElement, AttrVisible, QChar('1')));
+            initData.path.SetNotMirrored(GetParametrBool(domElement, AttrNotMirrored, falseStr));
         }
 
         VToolPiecePath::Create(initData);

src/libs/ifc/ifcdef.cpp

@@ -149,6 +149,7 @@ const QString AttrCurve2Alias1 = QStringLiteral("curve2Alias1");
 const QString AttrCurve2Alias2 = QStringLiteral("curve2Alias2");
 const QString AttrLayoutVersion = QStringLiteral("version");
 const QString AttrKMVersion = QStringLiteral("version");
+const QString AttrNotMirrored = QStringLiteral("notMirrored");
 
 const QString TypeLineDefault = QStringLiteral("default");
 const QString TypeLineNone = QStringLiteral("none");

src/libs/ifc/ifcdef.h

@@ -166,6 +166,7 @@ extern const QString AttrCurve2Alias1;
 extern const QString AttrCurve2Alias2;
 extern const QString AttrLayoutVersion;
 extern const QString AttrKMVersion;
+extern const QString AttrNotMirrored;
 
 extern const QString TypeLineDefault;
 extern const QString TypeLineNone;

src/libs/ifc/schema.qrc

@@ -69,6 +69,7 @@
         <file>schema/pattern/v0.9.1.xsd</file>
         <file>schema/pattern/v0.9.2.xsd</file>
         <file>schema/pattern/v0.9.3.xsd</file>
+        <file>schema/pattern/v0.9.4.xsd</file>
         <file>schema/multisize_measurements/v0.3.0.xsd</file>
         <file>schema/multisize_measurements/v0.4.0.xsd</file>
         <file>schema/multisize_measurements/v0.4.1.xsd</file>
@@ -104,6 +105,7 @@
         <file>schema/layout/v0.1.5.xsd</file>
         <file>schema/layout/v0.1.6.xsd</file>
         <file>schema/layout/v0.1.7.xsd</file>
+        <file>schema/layout/v0.1.8.xsd</file>
         <file>schema/known_measurements/v1.0.0.xsd</file>
     </qresource>
 </RCC>

src/libs/ifc/schema/layout/v0.1.8.xsd

@@ -0,0 +1,646 @@
+<xs:schema attributeFormDefault="unqualified" elementFormDefault="qualified" xmlns:xs="http://www.w3.org/2001/XMLSchema">
+  <xs:element name="layout">
+    <xs:complexType>
+      <xs:sequence>
+        <xs:element name="properties">
+          <xs:complexType>
+            <xs:sequence>
+              <xs:element type="units" name="unit"/>
+              <xs:element type="xs:string" name="title"/>    
+              <xs:element type="xs:string" name="description"/>
+              <xs:element name="control">
+                <xs:complexType>
+                  <xs:attribute type="xs:boolean" name="warningSuperposition"/>
+                  <xs:attribute type="xs:boolean" name="warningOutOfBound"/>
+                  <xs:attribute type="xs:boolean" name="stickyEdges"/>
+                  <xs:attribute type="xs:boolean" name="followGrainline"/>
+                  <xs:attribute type="xs:boolean" name="boundaryTogetherWithNotches"/>
+                  <xs:attribute type="xs:float" name="piecesGap"/>
+                  <xs:attribute type="xs:boolean" name="cutOnFold"/>
+                </xs:complexType>
+              </xs:element>
+              <xs:element name="tiles">
+                <xs:complexType>
+                  <xs:sequence>
+                    <xs:element name="size">
+                      <xs:complexType>
+                        <xs:attribute type="xs:float" name="width" use="required"/>
+                        <xs:attribute type="xs:float" name="length" use="required"/>
+                      </xs:complexType>
+                    </xs:element>
+                    <xs:element name="margin">
+                      <xs:complexType>
+                        <xs:attribute type="xs:float" name="top"/>
+                        <xs:attribute type="xs:float" name="right"/>
+                        <xs:attribute type="xs:float" name="bottom"/>
+                        <xs:attribute type="xs:float" name="left"/>
+                        <xs:attribute type="xs:boolean" name="ignoreMargins"/>
+                      </xs:complexType>
+                    </xs:element>
+                  </xs:sequence>
+                  <xs:attribute type="xs:boolean" name="visible"/>
+                  <xs:attribute type="xs:string" name="matchingMarks"/>
+                  <xs:attribute type="xs:boolean" name="printScheme"/>
+                  <xs:attribute type="xs:boolean" name="tileNumber"/>
+                </xs:complexType>
+              </xs:element>
+              <xs:element name="scale">
+                <xs:complexType>
+                  <xs:attribute type="LayoutScale" name="xScale"/>
+                  <xs:attribute type="LayoutScale" name="yScale"/>
+                </xs:complexType>
+              </xs:element>
+              <xs:element name="watermark">
+                <xs:complexType>
+                  <xs:simpleContent>
+                    <xs:extension base="xs:string">
+                      <xs:attribute type="xs:boolean" name="showPreview" use="optional"/>
+                    </xs:extension>
+                  </xs:simpleContent>
+                </xs:complexType>
+              </xs:element>
+            </xs:sequence>
+          </xs:complexType>
+        </xs:element>
+        <xs:element name="unplacedPieces">
+          <xs:complexType>
+            <xs:sequence>
+              <xs:element name="piece" minOccurs="0" maxOccurs="unbounded">
+                <xs:complexType>
+                  <xs:sequence>
+                    <xs:element name="seamLine">
+                      <xs:complexType>
+                        <xs:sequence>
+                          <xs:element name="point" minOccurs="3" maxOccurs="unbounded">
+                            <xs:complexType>
+                              <xs:attribute type="xs:double" name="x" use="required"/>
+                              <xs:attribute type="xs:double" name="y" use="required"/>
+                              <xs:attribute type="xs:boolean" name="turnPoint" use="optional"/>
+                              <xs:attribute type="xs:boolean" name="curvePoint" use="optional"/>
+                            </xs:complexType>
+                          </xs:element>
+                        </xs:sequence>
+                      </xs:complexType>
+                    </xs:element>
+                    <xs:element name="seamAllowance">
+                      <xs:complexType>
+                        <xs:sequence>
+                          <xs:element name="point" minOccurs="0" maxOccurs="unbounded">
+                            <xs:complexType>
+                              <xs:attribute type="xs:double" name="x" use="required"/>
+                              <xs:attribute type="xs:double" name="y" use="required"/>
+                              <xs:attribute type="xs:boolean" name="turnPoint" use="optional"/>
+                              <xs:attribute type="xs:boolean" name="curvePoint" use="optional"/>
+                            </xs:complexType>
+                          </xs:element>
+                        </xs:sequence>
+                        <xs:attribute type="xs:boolean" name="enabled" use="optional"/>
+                        <xs:attribute type="xs:boolean" name="builtIn" use="optional"/>
+                      </xs:complexType>
+                    </xs:element>
+                    <xs:element name="grainline">
+                      <xs:complexType>
+                        <xs:simpleContent>
+                          <xs:extension base="LinePathOrEmpty">
+                            <xs:attribute type="xs:boolean" name="enabled" use="optional"/>
+                            <xs:attribute type="ArrowDirection" name="arrowDirection" use="optional"/>
+                          </xs:extension>
+                        </xs:simpleContent>
+                      </xs:complexType>
+                    </xs:element>
+                    <xs:element name="notches">
+                      <xs:complexType>
+                        <xs:sequence>
+                          <xs:element name="notch" minOccurs="0" maxOccurs="unbounded">
+                            <xs:complexType>
+                              <xs:attribute type="xs:boolean" name="builtIn" use="optional"/>
+                              <xs:attribute type="NotchType" name="type" use="optional"/>
+                              <xs:attribute type="LinePath" name="baseLine" use="optional"/>
+                              <xs:attribute type="LinesPath" name="path" use="optional"/>
+                              <xs:attribute type="xs:boolean" name="clockwiseOpening" use="optional"/>
+                            </xs:complexType>
+                          </xs:element>
+                        </xs:sequence>
+                      </xs:complexType>
+                    </xs:element>
+                    <xs:element name="internalPaths">
+                      <xs:complexType>
+                        <xs:sequence>
+                          <xs:element name="internalPath" minOccurs="0" maxOccurs="unbounded">
+                            <xs:complexType>
+                              <xs:sequence>
+                                <xs:element name="point" minOccurs="2" maxOccurs="unbounded">
+                                  <xs:complexType>
+                                    <xs:attribute type="xs:double" name="x" use="required"/>
+                                    <xs:attribute type="xs:double" name="y" use="required"/>
+                                    <xs:attribute type="xs:boolean" name="turnPoint" use="optional"/>
+                                    <xs:attribute type="xs:boolean" name="curvePoint" use="optional"/>
+                                  </xs:complexType>
+                                </xs:element>
+                              </xs:sequence>
+                              <xs:attribute type="xs:boolean" name="cut" use="optional"/>
+                              <xs:attribute type="CurvePenStyle" name="penStyle" use="optional"/>
+                              <xs:attribute type="xs:boolean" name="notMirrored" use="optional"/>    
+                            </xs:complexType>
+                          </xs:element>
+                        </xs:sequence>
+                      </xs:complexType>
+                    </xs:element>
+                    <xs:element name="markers">
+                      <xs:complexType mixed="true">
+                        <xs:sequence>
+                          <xs:element name="marker" maxOccurs="unbounded" minOccurs="0">
+                            <xs:complexType>
+                              <xs:attribute type="Transformation" name="transform" use="required"/>
+                              <xs:attribute type="MarkerType" name="type" use="required"/>
+                              <xs:attribute type="PointPath" name="center" use="required"/>
+                              <xs:attribute type="RectPath" name="box" use="required"/>
+                              <xs:attribute type="xs:boolean" name="notMirrored" use="optional"/>
+                            </xs:complexType>
+                          </xs:element>
+                        </xs:sequence>
+                      </xs:complexType>
+                    </xs:element>
+                    <xs:element name="labels">
+                      <xs:complexType>
+                        <xs:sequence>
+                          <xs:element name="pieceLabel" minOccurs="0" maxOccurs="1">
+                            <xs:complexType>
+                              <xs:sequence>
+                                <xs:element name="lines">
+                                  <xs:complexType>
+                                    <xs:sequence>
+                                      <xs:element name="line" minOccurs="0" maxOccurs="unbounded">
+                                        <xs:complexType>
+                                          <xs:simpleContent>
+                                            <xs:extension base="xs:string">
+                                              <xs:attribute type="xs:boolean" name="bold" use="optional"/>
+                                              <xs:attribute type="xs:boolean" name="italic" use="optional"/>
+                                              <xs:attribute type="xs:unsignedInt" name="alignment" use="optional"/>
+                                              <xs:attribute type="xs:unsignedInt" name="fontSize" use="optional"/>
+                                            </xs:extension>
+                                          </xs:simpleContent>
+                                        </xs:complexType>
+                                      </xs:element>
+                                    </xs:sequence>
+                                    <xs:attribute type="xs:string" name="font"/>
+                                    <xs:attribute type="xs:string" name="svgFont"/>
+                                  </xs:complexType>
+                                </xs:element>
+                              </xs:sequence>
+                              <xs:attribute type="xs:string" name="shape" use="required"/>
+                            </xs:complexType>
+                          </xs:element>
+                          <xs:element name="patternLabel" minOccurs="0" maxOccurs="1">
+                            <xs:complexType>
+                              <xs:sequence>
+                                <xs:element name="lines">
+                                  <xs:complexType>
+                                    <xs:sequence>
+                                      <xs:element name="line" minOccurs="0" maxOccurs="unbounded">
+                                        <xs:complexType>
+                                          <xs:simpleContent>
+                                            <xs:extension base="xs:string">
+                                              <xs:attribute type="xs:boolean" name="bold" use="optional"/>
+                                              <xs:attribute type="xs:boolean" name="italic" use="optional"/>
+                                              <xs:attribute type="xs:unsignedInt" name="alignment" use="optional"/>
+                                              <xs:attribute type="xs:unsignedInt" name="fontSize" use="optional"/>
+                                            </xs:extension>
+                                          </xs:simpleContent>
+                                        </xs:complexType>
+                                      </xs:element>
+                                    </xs:sequence>
+                                    <xs:attribute type="xs:string" name="font"/>
+                                    <xs:attribute type="xs:string" name="svgFont"/>
+                                  </xs:complexType>
+                                </xs:element>
+                              </xs:sequence>
+                              <xs:attribute type="xs:string" name="shape" use="required"/>
+                            </xs:complexType>
+                          </xs:element>
+                        </xs:sequence>
+                      </xs:complexType>
+                    </xs:element>
+                    <xs:element name="mirrorLine" minOccurs="0" maxOccurs="1">
+                      <xs:complexType>
+                        <xs:sequence>
+                          <xs:element type="LinePathOrEmpty" name="seamLine"/> 
+                          <xs:element type="LinePathOrEmpty" name="seamAllowance"/> 
+                        </xs:sequence>
+                        <xs:attribute name="type" type="foldLineType" use="optional"/>
+                        <xs:attribute name="height" type="xs:double" use="optional"/>
+                        <xs:attribute name="width" type="xs:double" use="optional"/>
+                        <xs:attribute name="center" type="xs:double" use="optional"/>
+                        <xs:attribute type="xs:boolean" name="bold" use="optional"/>
+                        <xs:attribute type="xs:boolean" name="italic" use="optional"/>
+                        <xs:attribute type="AlignmentType" name="alignment" use="optional"/>
+                        <xs:attribute name="label" type="xs:string" use="optional"/>
+                        <xs:attribute type="xs:string" name="font" use="optional"/>
+                        <xs:attribute type="xs:string" name="svgFont" use="optional"/>
+                      </xs:complexType>
+                    </xs:element>
+                  </xs:sequence>
+                  <xs:attribute name="uid" type="uuid" use="required"/>
+                  <xs:attribute type="xs:string" name="name"/>
+                  <xs:attribute type="xs:boolean" name="verticallyFlipped"/>
+                  <xs:attribute type="xs:boolean" name="horizontallyFlipped"/>
+                  <xs:attribute type="xs:boolean" name="forbidFlipping"/>
+                  <xs:attribute type="xs:boolean" name="forceFlipping"/>
+                  <xs:attribute type="xs:boolean" name="followGrainline"/>
+                  <xs:attribute type="xs:boolean" name="sewLineOnDrawing"/>
+                  <xs:attribute type="Transformation" name="transform"/>
+                  <xs:attribute type="xs:string" name="gradationLabel"/>
+                  <xs:attribute type="xs:unsignedInt" name="copyNumber"/>
+                  <xs:attribute type="xs:boolean" name="showSeamline"/>
+                  <xs:attribute type="xs:float" name="xScale"/>  
+                  <xs:attribute type="xs:float" name="yScale"/>
+                  <xs:attribute type="xs:boolean" name="showFullPiece"/> 
+                </xs:complexType>
+              </xs:element>
+            </xs:sequence>
+          </xs:complexType>
+        </xs:element>
+        <xs:element name="sheets">
+          <xs:complexType>
+            <xs:sequence>
+              <xs:element name="sheet" minOccurs="0" maxOccurs="unbounded">
+                <xs:complexType>
+                  <xs:sequence>
+                    <xs:element type="xs:string" name="name"/>
+                    <xs:element name="size">
+                      <xs:complexType>
+                        <xs:attribute type="xs:float" name="width" use="required"/>
+                        <xs:attribute type="xs:float" name="length" use="required"/>
+                      </xs:complexType>
+                    </xs:element>
+                    <xs:element name="margin">
+                      <xs:complexType>
+                        <xs:attribute type="xs:float" name="top"/>
+                        <xs:attribute type="xs:float" name="right"/>
+                        <xs:attribute type="xs:float" name="bottom"/>
+                        <xs:attribute type="xs:float" name="left"/>
+                        <xs:attribute type="xs:boolean" name="ignoreMargins"/>
+                      </xs:complexType>
+                    </xs:element>
+                    <xs:element name="pieces">
+                      <xs:complexType>
+                        <xs:sequence>
+                          <xs:element name="piece" minOccurs="0" maxOccurs="unbounded">
+                            <xs:complexType>
+                              <xs:sequence>
+                                <xs:element name="seamLine">
+                                  <xs:complexType>
+                                    <xs:sequence>
+                                      <xs:element name="point" minOccurs="3" maxOccurs="unbounded">
+                                        <xs:complexType>
+                                          <xs:attribute type="xs:double" name="x" use="required"/>
+                                          <xs:attribute type="xs:double" name="y" use="required"/>
+                                          <xs:attribute type="xs:boolean" name="turnPoint" use="optional"/>
+                                          <xs:attribute type="xs:boolean" name="curvePoint" use="optional"/>
+                                        </xs:complexType>
+                                      </xs:element>
+                                    </xs:sequence>
+                                  </xs:complexType>
+                                </xs:element>
+                                <xs:element name="seamAllowance">
+                                  <xs:complexType>
+                                    <xs:sequence>
+                                      <xs:element name="point" minOccurs="0" maxOccurs="unbounded">
+                                        <xs:complexType>
+                                          <xs:attribute type="xs:double" name="x" use="required"/>
+                                          <xs:attribute type="xs:double" name="y" use="required"/>
+                                          <xs:attribute type="xs:boolean" name="turnPoint" use="optional"/>
+                                          <xs:attribute type="xs:boolean" name="curvePoint" use="optional"/>
+                                        </xs:complexType>
+                                      </xs:element>
+                                    </xs:sequence>
+                                    <xs:attribute type="xs:boolean" name="enabled" use="optional"/>
+                                    <xs:attribute type="xs:boolean" name="builtIn" use="optional"/>
+                                  </xs:complexType>
+                                </xs:element>
+                                <xs:element name="grainline">
+                                  <xs:complexType>
+                                    <xs:simpleContent>
+                                      <xs:extension base="LinePathOrEmpty">
+                                        <xs:attribute type="xs:boolean" name="enabled" use="optional"/>
+                                        <xs:attribute type="ArrowDirection" name="arrowDirection" use="optional"/>
+                                      </xs:extension>
+                                    </xs:simpleContent>
+                                  </xs:complexType>
+                                </xs:element>
+                                <xs:element name="notches">
+                                  <xs:complexType>
+                                    <xs:sequence>
+                                      <xs:element name="notch" minOccurs="0" maxOccurs="unbounded">
+                                        <xs:complexType>
+                                          <xs:attribute type="xs:boolean" name="builtIn" use="optional"/>
+                                          <xs:attribute type="NotchType" name="type" use="optional"/>
+                                          <xs:attribute type="LinePath" name="baseLine" use="optional"/>
+                                          <xs:attribute type="LinesPath" name="path" use="optional"/>
+                                          <xs:attribute type="xs:boolean" name="clockwiseOpening" use="optional"/>
+                                        </xs:complexType>
+                                      </xs:element>
+                                    </xs:sequence>
+                                  </xs:complexType>
+                                </xs:element>
+                                <xs:element name="internalPaths">
+                                  <xs:complexType>
+                                    <xs:sequence>
+                                      <xs:element name="internalPath" minOccurs="0" maxOccurs="unbounded">
+                                        <xs:complexType>
+                                          <xs:sequence>
+                                            <xs:element name="point" minOccurs="2" maxOccurs="unbounded">
+                                              <xs:complexType>
+                                                <xs:attribute type="xs:double" name="x" use="required"/>
+                                                <xs:attribute type="xs:double" name="y" use="required"/>
+                                                <xs:attribute type="xs:boolean" name="turnPoint" use="optional"/>
+                                                <xs:attribute type="xs:boolean" name="curvePoint" use="optional"/>
+                                              </xs:complexType>
+                                            </xs:element>
+                                          </xs:sequence>
+                                          <xs:attribute type="xs:boolean" name="cut" use="optional"/>
+                                          <xs:attribute type="CurvePenStyle" name="penStyle" use="optional"/>
+                                          <xs:attribute type="xs:boolean" name="notMirrored" use="optional"/>    
+                                        </xs:complexType>
+                                      </xs:element>
+                                    </xs:sequence>
+                                  </xs:complexType>
+                                </xs:element>
+                                <xs:element name="markers">
+                                  <xs:complexType mixed="true">
+                                    <xs:sequence>
+                                      <xs:element name="marker" maxOccurs="unbounded" minOccurs="0">
+                                        <xs:complexType>
+                                          <xs:attribute type="Transformation" name="transform" use="required"/>
+                                          <xs:attribute type="MarkerType" name="type" use="required"/>
+                                          <xs:attribute type="PointPath" name="center" use="required"/>
+                                          <xs:attribute type="RectPath" name="box" use="required"/>
+                                          <xs:attribute type="xs:boolean" name="notMirrored" use="optional"/>
+                                        </xs:complexType>
+                                      </xs:element>
+                                    </xs:sequence>
+                                  </xs:complexType>
+                                </xs:element>
+                                <xs:element name="labels">
+                                  <xs:complexType>
+                                    <xs:sequence>
+                                      <xs:element name="pieceLabel" minOccurs="0" maxOccurs="1">
+                                        <xs:complexType>
+                                          <xs:sequence>
+                                            <xs:element name="lines">
+                                              <xs:complexType>
+                                                <xs:sequence>
+                                                  <xs:element name="line" minOccurs="0" maxOccurs="unbounded">
+                                                    <xs:complexType>
+                                                      <xs:simpleContent>
+                                                        <xs:extension base="xs:string">
+                                                          <xs:attribute type="xs:boolean" name="bold" use="optional"/>
+                                                          <xs:attribute type="xs:boolean" name="italic" use="optional"/>
+                                                          <xs:attribute type="AlignmentType" name="alignment" use="optional"/>
+                                                          <xs:attribute type="xs:unsignedInt" name="fontSize" use="optional"/>
+                                                        </xs:extension>
+                                                      </xs:simpleContent>
+                                                    </xs:complexType>
+                                                  </xs:element>
+                                                </xs:sequence>
+                                                <xs:attribute type="xs:string" name="font"/>
+                                                <xs:attribute type="xs:string" name="svgFont"/>
+                                              </xs:complexType>
+                                            </xs:element>
+                                          </xs:sequence>
+                                          <xs:attribute type="PathNotEmpty" name="shape" use="required"/>
+                                        </xs:complexType>
+                                      </xs:element>
+                                      <xs:element name="patternLabel" minOccurs="0" maxOccurs="1">
+                                        <xs:complexType>
+                                          <xs:sequence>
+                                            <xs:element name="lines">
+                                              <xs:complexType>
+                                                <xs:sequence>
+                                                  <xs:element name="line" minOccurs="0" maxOccurs="unbounded">
+                                                    <xs:complexType>
+                                                      <xs:simpleContent>
+                                                        <xs:extension base="xs:string">
+                                                          <xs:attribute type="xs:boolean" name="bold" use="optional"/>
+                                                          <xs:attribute type="xs:boolean" name="italic" use="optional"/>
+                                                          <xs:attribute type="AlignmentType" name="alignment" use="optional"/>
+                                                          <xs:attribute type="xs:unsignedInt" name="fontSize" use="optional"/>
+                                                        </xs:extension>
+                                                      </xs:simpleContent>
+                                                    </xs:complexType>
+                                                  </xs:element>
+                                                </xs:sequence>
+                                                <xs:attribute type="xs:string" name="font"/>
+                                                <xs:attribute type="xs:string" name="svgFont"/>
+                                              </xs:complexType>
+                                            </xs:element>
+                                          </xs:sequence>
+                                          <xs:attribute type="PathNotEmpty" name="shape" use="required"/>
+                                        </xs:complexType>
+                                      </xs:element>
+                                    </xs:sequence>
+                                  </xs:complexType>
+                                </xs:element>
+                                <xs:element name="mirrorLine" minOccurs="0" maxOccurs="1">
+                                  <xs:complexType>
+                                    <xs:sequence>
+                                      <xs:element type="LinePathOrEmpty" name="seamLine"/> 
+                                      <xs:element type="LinePathOrEmpty" name="seamAllowance"/>
+                                    </xs:sequence>
+                                    <xs:attribute name="type" type="foldLineType" use="optional"/>
+                                    <xs:attribute name="height" type="xs:double" use="optional"/>
+                                    <xs:attribute name="width" type="xs:double" use="optional"/>
+                                    <xs:attribute name="center" type="xs:double" use="optional"/>
+                                    <xs:attribute type="xs:boolean" name="bold" use="optional"/>
+                                    <xs:attribute type="xs:boolean" name="italic" use="optional"/>
+                                    <xs:attribute type="AlignmentType" name="alignment" use="optional"/>
+                                    <xs:attribute name="label" type="xs:string" use="optional"/>
+                                    <xs:attribute type="xs:string" name="font" use="optional"/>
+                                    <xs:attribute type="xs:string" name="svgFont" use="optional"/>
+                                  </xs:complexType>
+                                </xs:element>
+                              </xs:sequence>
+                              <xs:attribute name="uid" type="uuid" use="required"/>
+                              <xs:attribute type="xs:string" name="name"/>
+                              <xs:attribute type="xs:boolean" name="verticallyFlipped"/>
+                              <xs:attribute type="xs:boolean" name="horizontallyFlipped"/>
+                              <xs:attribute type="xs:boolean" name="forbidFlipping"/>
+                              <xs:attribute type="xs:boolean" name="forceFlipping"/>
+                              <xs:attribute type="xs:boolean" name="followGrainline"/>
+                              <xs:attribute type="xs:boolean" name="sewLineOnDrawing"/>
+                              <xs:attribute type="Transformation" name="transform"/>
+                              <xs:attribute type="xs:string" name="gradationLabel"/>
+                              <xs:attribute type="xs:unsignedInt" name="copyNumber"/>
+                              <xs:attribute type="xs:boolean" name="showSeamline"/>
+                              <xs:attribute type="xs:float" name="xScale"/>  
+                              <xs:attribute type="xs:float" name="yScale"/>
+                              <xs:attribute type="xs:float" name="zValue"/>
+                              <xs:attribute type="xs:boolean" name="showFullPiece"/>    
+                            </xs:complexType>
+                          </xs:element>
+                        </xs:sequence>
+                      </xs:complexType>
+                    </xs:element>  
+                  </xs:sequence>
+                  <xs:attribute type="GrainlineType" name="grainlineType"/>
+                </xs:complexType>
+              </xs:element>
+            </xs:sequence>
+          </xs:complexType>
+        </xs:element>
+      </xs:sequence>
+      <xs:attribute type="formatVersion" name="version" use="required"/>
+    </xs:complexType>
+  </xs:element>
+  <!--Types-->
+  <xs:simpleType name="formatVersion">
+    <xs:restriction base="xs:string">
+      <xs:pattern value="[0-9]{1,}\.[0-9]{1,}\.[0-9]{1,}"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="units">
+    <xs:restriction base="xs:string">
+      <xs:enumeration value="mm"/>
+      <xs:enumeration value="cm"/>
+      <xs:enumeration value="inch"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="uuid">
+    <xs:restriction base="xs:string">
+      <xs:pattern value="|\{[0-9a-fA-F]{8}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{4}\-[0-9a-fA-F]{12}\}"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="ArrowDirection">
+    <xs:restriction base="xs:string">
+      <xs:enumeration value="oneWayUp"/>
+      <xs:enumeration value="oneWayDown"/>
+      <xs:enumeration value="twoWaysUpDown"/>
+      <xs:enumeration value="fourWays"/>
+      <xs:enumeration value="twoWaysUpLeft"/>
+      <xs:enumeration value="twoWaysUpRight"/>
+      <xs:enumeration value="twoWaysDownLeft"/>
+      <xs:enumeration value="twoWaysDownRight"/>
+      <xs:enumeration value="threeWaysUpDownLeft"/>
+      <xs:enumeration value="threeWaysUpDownRight"/>
+      <xs:enumeration value="threeWaysUpLeftRight"/>
+      <xs:enumeration value="threeWaysDownLeftRight"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="NotchType">
+    <xs:restriction base="xs:unsignedInt">
+      <!--OneLine-->
+      <xs:enumeration value="0"/>
+      <!--TwoLines-->
+      <xs:enumeration value="1"/>
+      <!--ThreeLines-->
+      <xs:enumeration value="2"/>
+      <!--TMark-->
+      <xs:enumeration value="3"/>
+      <!--VMark-->
+      <xs:enumeration value="4"/>
+      <!--VMark2-->
+      <xs:enumeration value="5"/>
+      <!--UMark-->
+      <xs:enumeration value="6"/>
+      <!--BoxMark-->
+      <xs:enumeration value="7"/>
+      <!--CheckMark-->
+      <xs:enumeration value="8"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="CurvePenStyle">
+    <xs:restriction base="xs:string">
+      <xs:enumeration value="hair"/>
+      <xs:enumeration value="dashLine"/>
+      <xs:enumeration value="dotLine"/>
+      <xs:enumeration value="dashDotLine"/>
+      <xs:enumeration value="dashDotDotLine"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="MarkerType">
+    <xs:restriction base="xs:unsignedInt">
+      <xs:enumeration value="0"/><!--Segment-->
+      <xs:enumeration value="1"/><!--Rectangle-->
+      <xs:enumeration value="2"/><!--Cross-->
+      <xs:enumeration value="3"/><!--Tshaped-->
+      <xs:enumeration value="4"/><!--Doubletree-->
+      <xs:enumeration value="5"/><!--Corner-->
+      <xs:enumeration value="6"/><!--Triangle-->
+      <xs:enumeration value="7"/><!--Hshaped-->
+      <xs:enumeration value="8"/><!--Button-->
+      <xs:enumeration value="9"/><!--Circle-->
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="AlignmentType">
+    <xs:restriction base="xs:unsignedInt">
+      <xs:enumeration value="0"/><!--default (no aligns)-->
+      <xs:enumeration value="1"/><!--aligns with the left edge-->
+      <xs:enumeration value="2"/><!--aligns with the right edge-->
+      <xs:enumeration value="4"/><!--Centers horizontally in the available space-->
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="Transformation">
+    <xs:restriction base="xs:string">
+      <xs:pattern value="([-+]?\d+\.?\d*([eE][-+]?\d+)?;){8,}[-+]?\d+\.?\d*([eE][-+]?\d+)?"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="PathNotEmpty">
+    <xs:restriction base="xs:string">
+      <xs:pattern value="([-+]?\d+\.?\d*([eE][-+]?\d+)?,[-+]?\d+\.?\d*([eE][-+]?\d+)?\s){0,}[-+]?\d+\.?\d*([eE][-+]?\d+)?,[-+]?\d+\.?\d*([eE][-+]?\d+)?"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="PathOrEmpty">
+    <xs:restriction base="xs:string">
+      <xs:pattern value="|([-+]?\d+\.?\d*([eE][-+]?\d+)?,[-+]?\d+\.?\d*([eE][-+]?\d+)?\s){0,}[-+]?\d+\.?\d*([eE][-+]?\d+)?,[-+]?\d+\.?\d*([eE][-+]?\d+)?"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="LinePathOrEmpty">
+    <xs:restriction base="xs:string">
+      <xs:pattern value="|[-+]?\d+\.?\d*([eE][-+]?\d+)?,[-+]?\d+\.?\d*([eE][-+]?\d+)?;[-+]?\d+\.?\d*([eE][-+]?\d+)?,[-+]?\d+\.?\d*([eE][-+]?\d+)?"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="LinePath">
+    <xs:restriction base="xs:string">
+      <xs:pattern value="[-+]?\d+\.?\d*([eE][-+]?\d+)?,[-+]?\d+\.?\d*([eE][-+]?\d+)?;[-+]?\d+\.?\d*([eE][-+]?\d+)?,[-+]?\d+\.?\d*([eE][-+]?\d+)?"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="LinesPath">
+    <xs:restriction base="xs:string">
+      <xs:pattern value="([-+]?\d+\.?\d*([eE][-+]?\d+)?,[-+]?\d+\.?\d*([eE][-+]?\d+)?;[-+]?\d+\.?\d*([eE][-+]?\d+)?,[-+]?\d+\.?\d*([eE][-+]?\d+)?\*){0,}[-+]?\d+\.?\d*([eE][-+]?\d+)?,[-+]?\d+\.?\d*([eE][-+]?\d+)?;[-+]?\d+\.?\d*([eE][-+]?\d+)?,[-+]?\d+\.?\d*([eE][-+]?\d+)?"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="PointPath">
+    <xs:restriction base="xs:string">
+      <xs:pattern value="[-+]?\d+\.?\d*([eE][-+]?\d+)?,[-+]?\d+\.?\d*([eE][-+]?\d+)?"/>
+    </xs:restriction>
+  </xs:simpleType>   
+  <xs:simpleType name="RectPath">
+    <xs:restriction base="xs:string">
+      <xs:pattern value="([-+]?\d+\.?\d*([eE][-+]?\d+)?;){3,}[-+]?\d+\.?\d*([eE][-+]?\d+)?"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="GrainlineType">
+    <xs:restriction base="xs:string">
+      <xs:enumeration value="horizontal"/>
+      <xs:enumeration value="vertical"/>
+      <xs:enumeration value="notFixed"/>
+    </xs:restriction>
+  </xs:simpleType>  
+  <xs:simpleType name="LayoutScale">
+    <xs:restriction base="xs:float">
+      <xs:minInclusive value="0.01"/>
+      <xs:maxInclusive value="3"/>
+    </xs:restriction>
+  </xs:simpleType>
+  <xs:simpleType name="foldLineType">
+    <xs:restriction base="xs:string">
+      <xs:enumeration value="2ArrowsTextAbove"/><!--Same as default-->
+      <xs:enumeration value="2ArrowsTextUnder"/>
+      <xs:enumeration value="2Arrows"/>
+      <xs:enumeration value="text"/>
+      <xs:enumeration value="3dots"/>
+      <xs:enumeration value="3X"/>
+      <xs:enumeration value="none"/>
+    </xs:restriction>
+  </xs:simpleType>
+</xs:schema>

src/libs/ifc/xml/vabstractpattern.cpp

@@ -155,6 +155,17 @@ const QString VAbstractPattern::AttrImageId = QStringLiteral("imageId");
 const QString VAbstractPattern::AttrDimensionA = QStringLiteral("dimensionA");
 const QString VAbstractPattern::AttrDimensionB = QStringLiteral("dimensionB");
 const QString VAbstractPattern::AttrDimensionC = QStringLiteral("dimensionC");
+const QString VAbstractPattern::AttrMirrorLineP1 = QStringLiteral("p1");
+const QString VAbstractPattern::AttrMirrorLineP2 = QStringLiteral("p2");
+const QString VAbstractPattern::AttrFoldLineHeightFormula = QStringLiteral("height");
+const QString VAbstractPattern::AttrFoldLineWidthFormula = QStringLiteral("width");
+const QString VAbstractPattern::AttrFoldLineCenterFormula = QStringLiteral("center");
+const QString VAbstractPattern::AttrFoldLineManualHeight = QStringLiteral("manualHeight");
+const QString VAbstractPattern::AttrFoldLineManualWidth = QStringLiteral("manualWidth");
+const QString VAbstractPattern::AttrFoldLineManualCenter = QStringLiteral("manualCenter");
+const QString VAbstractPattern::AttrFoldLineType = QStringLiteral("type");
+const QString VAbstractPattern::AttrFoldLineFontSize = QStringLiteral("fontSize");
+const QString VAbstractPattern::AttrFoldLineLabel = QStringLiteral("label");
 
 const QString VAbstractPattern::AttrContentType = QStringLiteral("contentType");
 
@@ -764,8 +775,9 @@ auto VAbstractPattern::ParsePieceInternalPaths(const QDomElement &domElement) ->
 //---------------------------------------------------------------------------------------------------------------------
 auto VAbstractPattern::ParsePiecePointRecords(const QDomElement &domElement) -> QVector<quint32>
 {
-    QVector<quint32> records;
     const QDomNodeList nodeList = domElement.childNodes();
+    QVector<quint32> records;
+    records.reserve(nodeList.size());
     for (qint32 i = 0; i < nodeList.size(); ++i)
     {
         const QDomElement element = nodeList.at(i).toElement();

src/libs/ifc/xml/vabstractpattern.h

@@ -382,6 +382,17 @@ public:
     static const QString AttrDimensionA;
     static const QString AttrDimensionB;
     static const QString AttrDimensionC;
+    static const QString AttrMirrorLineP1;
+    static const QString AttrMirrorLineP2;
+    static const QString AttrFoldLineHeightFormula;
+    static const QString AttrFoldLineWidthFormula;
+    static const QString AttrFoldLineCenterFormula;
+    static const QString AttrFoldLineManualHeight;
+    static const QString AttrFoldLineManualWidth;
+    static const QString AttrFoldLineManualCenter;
+    static const QString AttrFoldLineType;
+    static const QString AttrFoldLineFontSize;
+    static const QString AttrFoldLineLabel;
 
     static const QString AttrContentType;
 

src/libs/ifc/xml/vlayoutconverter.cpp

@@ -45,8 +45,8 @@ using namespace Qt::Literals::StringLiterals;
  */
 
 const QString VLayoutConverter::LayoutMinVerStr = QStringLiteral("0.1.0");
-const QString VLayoutConverter::LayoutMaxVerStr = QStringLiteral("0.1.7");
-const QString VLayoutConverter::CurrentSchema = QStringLiteral("://schema/layout/v0.1.7.xsd");
+const QString VLayoutConverter::LayoutMaxVerStr = QStringLiteral("0.1.8");
+const QString VLayoutConverter::CurrentSchema = QStringLiteral("://schema/layout/v0.1.8.xsd");
 
 // VLayoutConverter::LayoutMinVer; // <== DON'T FORGET TO UPDATE TOO!!!!
 // VLayoutConverter::LayoutMaxVer; // <== DON'T FORGET TO UPDATE TOO!!!!
@@ -151,7 +151,8 @@ auto VLayoutConverter::XSDSchemas() -> QHash<unsigned int, QString>
         std::make_pair(FormatVersion(0, 1, 4), QStringLiteral("://schema/layout/v0.1.4.xsd")),
         std::make_pair(FormatVersion(0, 1, 5), QStringLiteral("://schema/layout/v0.1.5.xsd")),
         std::make_pair(FormatVersion(0, 1, 6), QStringLiteral("://schema/layout/v0.1.6.xsd")),
-        std::make_pair(FormatVersion(0, 1, 7), CurrentSchema),
+        std::make_pair(FormatVersion(0, 1, 7), QStringLiteral("://schema/layout/v0.1.7.xsd")),
+        std::make_pair(FormatVersion(0, 1, 8), CurrentSchema),
     };
 
     return schemas;
@@ -190,9 +191,12 @@ void VLayoutConverter::ApplyPatches()
         case (FormatVersion(0, 1, 5)):
         case (FormatVersion(0, 1, 6)):
             ToV0_1_7();
-            ValidateXML(CurrentSchema);
             Q_FALLTHROUGH();
         case (FormatVersion(0, 1, 7)):
+            ToV0_1_8();
+            ValidateXML(CurrentSchema);
+            Q_FALLTHROUGH();
+        case (FormatVersion(0, 1, 8)):
             break;
         default:
             InvalidVersion(m_ver);
@@ -431,3 +435,13 @@ void VLayoutConverter::ToV0_1_7()
     SetVersion(QStringLiteral("0.1.7"));
     Save();
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+void VLayoutConverter::ToV0_1_8()
+{
+    // TODO. Delete if minimal supported version is 0.1.8
+    Q_STATIC_ASSERT_X(VLayoutConverter::LayoutMinVer < FormatVersion(0, 1, 8), "Time to refactor the code.");
+
+    SetVersion(QStringLiteral("0.1.8"));
+    Save();
+}

src/libs/ifc/xml/vlayoutconverter.h

@@ -47,7 +47,7 @@ public:
     static const QString LayoutMaxVerStr;
     static const QString CurrentSchema;
     static Q_DECL_CONSTEXPR const unsigned LayoutMinVer = FormatVersion(0, 1, 0);
-    static Q_DECL_CONSTEXPR const unsigned LayoutMaxVer = FormatVersion(0, 1, 7);
+    static Q_DECL_CONSTEXPR const unsigned LayoutMaxVer = FormatVersion(0, 1, 8);
 
     static auto XSDSchemas() -> QHash<unsigned, QString>;
 
@@ -77,6 +77,7 @@ protected:
     void ToV0_1_3();
     void ToV0_1_5();
     void ToV0_1_7();
+    void ToV0_1_8();
 
 private:
     Q_DISABLE_COPY_MOVE(VLayoutConverter) // NOLINT

src/libs/ifc/xml/vpatternconverter.cpp

@@ -38,7 +38,6 @@
 #include <QLatin1String>
 #include <QList>
 #include <QUuid>
-#include <algorithm>
 
 #include "../exception/vexception.h"
 #include "../exception/vexceptionemptyparameter.h"
@@ -63,8 +62,8 @@ class QDomElement;
  */
 
 const QString VPatternConverter::PatternMinVerStr = QStringLiteral("0.1.4");                     // NOLINT
-const QString VPatternConverter::PatternMaxVerStr = QStringLiteral("0.9.3");                     // NOLINT
-const QString VPatternConverter::CurrentSchema = QStringLiteral("://schema/pattern/v0.9.3.xsd"); // NOLINT
+const QString VPatternConverter::PatternMaxVerStr = QStringLiteral("0.9.4");                     // NOLINT
+const QString VPatternConverter::CurrentSchema = QStringLiteral("://schema/pattern/v0.9.4.xsd"); // NOLINT
 
 // VPatternConverter::PatternMinVer; // <== DON'T FORGET TO UPDATE TOO!!!!
 // VPatternConverter::PatternMaxVer; // <== DON'T FORGET TO UPDATE TOO!!!!
@@ -265,7 +264,8 @@ auto VPatternConverter::XSDSchemas() -> QHash<unsigned int, QString>
         std::make_pair(FormatVersion(0, 9, 0), QStringLiteral("://schema/pattern/v0.9.0.xsd")),
         std::make_pair(FormatVersion(0, 9, 1), QStringLiteral("://schema/pattern/v0.9.1.xsd")),
         std::make_pair(FormatVersion(0, 9, 2), QStringLiteral("://schema/pattern/v0.9.2.xsd")),
-        std::make_pair(FormatVersion(0, 9, 3), CurrentSchema)};
+        std::make_pair(FormatVersion(0, 9, 3), QStringLiteral("://schema/pattern/v0.9.3.xsd")),
+        std::make_pair(FormatVersion(0, 9, 4), CurrentSchema)};
 
     return schemas;
 }
@@ -385,10 +385,11 @@ void VPatternConverter::ApplyPatches()
             ToV0_9_2();
             Q_FALLTHROUGH();
         case (FormatVersion(0, 9, 2)):
-            ToV0_9_3();
+        case (FormatVersion(0, 9, 3)):
+            ToV0_9_4();
             ValidateXML(CurrentSchema);
             Q_FALLTHROUGH();
-        case (FormatVersion(0, 9, 3)):
+        case (FormatVersion(0, 9, 4)):
             break;
         default:
             InvalidVersion(m_ver);
@@ -406,7 +407,7 @@ void VPatternConverter::DowngradeToCurrentMaxVersion()
 auto VPatternConverter::IsReadOnly() const -> bool
 {
     // Check if attribute readOnly was not changed in file format
-    Q_STATIC_ASSERT_X(VPatternConverter::PatternMaxVer == FormatVersion(0, 9, 3), "Check attribute readOnly.");
+    Q_STATIC_ASSERT_X(VPatternConverter::PatternMaxVer == FormatVersion(0, 9, 4), "Check attribute readOnly.");
 
     // Possibly in future attribute readOnly will change position etc.
     // For now position is the same for all supported format versions.
@@ -582,12 +583,12 @@ void VPatternConverter::ToV0_9_2()
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void VPatternConverter::ToV0_9_3()
+void VPatternConverter::ToV0_9_4()
 {
-    // TODO. Delete if minimal supported version is 0.9.3
-    Q_STATIC_ASSERT_X(VPatternConverter::PatternMinVer < FormatVersion(0, 9, 3), "Time to refactor the code.");
+    // TODO. Delete if minimal supported version is 0.9.4
+    Q_STATIC_ASSERT_X(VPatternConverter::PatternMinVer < FormatVersion(0, 9, 4), "Time to refactor the code.");
 
-    SetVersion(QStringLiteral("0.9.3"));
+    SetVersion(QStringLiteral("0.9.4"));
     Save();
 }
 

src/libs/ifc/xml/vpatternconverter.h

@@ -54,7 +54,7 @@ public:
     static const QString PatternMaxVerStr;
     static const QString CurrentSchema;
     static Q_DECL_CONSTEXPR const unsigned PatternMinVer = FormatVersion(0, 1, 4);
-    static Q_DECL_CONSTEXPR const unsigned PatternMaxVer = FormatVersion(0, 9, 3);
+    static Q_DECL_CONSTEXPR const unsigned PatternMaxVer = FormatVersion(0, 9, 4);
 
     static auto XSDSchemas() -> QHash<unsigned, QString>;
 
@@ -91,7 +91,7 @@ private:
     void ToV0_9_0();
     void ToV0_9_1();
     void ToV0_9_2();
-    void ToV0_9_3();
+    void ToV0_9_4();
 
     void TagUnitToV0_2_0();
     void TagIncrementToV0_2_0();

src/libs/vdxf/dxiface.cpp

@@ -220,6 +220,25 @@ void dx_iface::InitHeader(VarMeasurement varMeasurement, VarInsunits varInsunits
     }
 }
 
+auto dx_iface::QtPenStyleToString(Qt::PenStyle style) -> UTF8STRING
+{
+    switch (style)
+    {
+        case Qt::DashLine:
+            return "DASHED";
+        case Qt::DotLine:
+            return "DOT";
+        case Qt::DashDotLine:
+            return "DASHDOT2";
+        case Qt::DashDotDotLine:
+            return "DIVIDE2";
+        case Qt::NoPen:
+        case Qt::SolidLine:
+        default:
+            return "CONTINUOUS";
+    }
+}
+
 void dx_iface::AddQtLTypes()
 {
     DRW_LType ltype;

src/libs/vdxf/dxiface.h

@@ -12,106 +12,117 @@
 #ifndef DX_IFACE_H
 #define DX_IFACE_H
 
+#include "dxfdef.h"
 #include "libdxfrw/drw_interface.h"
 #include "libdxfrw/libdxfrw.h"
-#include "dxfdef.h"
+
+#include <Qt>
 
 class QFont;
 
-//class to store image data and path from DRW_ImageDef
-class dx_ifaceImg : public DRW_Image {
+// class to store image data and path from DRW_ImageDef
+class dx_ifaceImg : public DRW_Image
+{
 public:
     dx_ifaceImg()
-        : path()
-    {}
+      : path()
+    {
+    }
 
-    explicit dx_ifaceImg(const DRW_Image& p)
-        : DRW_Image(p),
-          path()
-    {}
+    explicit dx_ifaceImg(const DRW_Image &p)
+      : DRW_Image(p),
+        path()
+    {
+    }
 
     virtual ~dx_ifaceImg() = default;
-    std::string path; //stores the image path
+    std::string path; // stores the image path
 };
 
-//container class to store entites.
-class dx_ifaceBlock final : public DRW_Block {
+// container class to store entites.
+class dx_ifaceBlock final : public DRW_Block
+{
 public:
     dx_ifaceBlock()
-        : ent()
-    {}
+      : ent()
+    {
+    }
 
-    explicit dx_ifaceBlock(const DRW_Block& p)
-        : DRW_Block(p),
-          ent()
-    {}
+    explicit dx_ifaceBlock(const DRW_Block &p)
+      : DRW_Block(p),
+        ent()
+    {
+    }
 
-    virtual ~dx_ifaceBlock(){
-        for (std::list<DRW_Entity*>::const_iterator it=ent.begin(); it!=ent.end(); ++it)
+    virtual ~dx_ifaceBlock()
+    {
+        for (std::list<DRW_Entity *>::const_iterator it = ent.begin(); it != ent.end(); ++it)
             delete *it;
     }
-    std::list<DRW_Entity*>ent; //stores the entities list
+    std::list<DRW_Entity *> ent; // stores the entities list
 };
 
-
-//container class to store full dxf data.
-class dx_data {
+// container class to store full dxf data.
+class dx_data
+{
 public:
     dx_data()
-        : headerC(),
-          lineTypes(),
-          layers(),
-          dimStyles(),
-          VPorts(),
-          textStyles(),
-          appIds(),
-          blocks(),
-          images(),
-          mBlock(new dx_ifaceBlock())
-    {}
+      : headerC(),
+        lineTypes(),
+        layers(),
+        dimStyles(),
+        VPorts(),
+        textStyles(),
+        appIds(),
+        blocks(),
+        images(),
+        mBlock(new dx_ifaceBlock())
+    {
+    }
 
-    ~dx_data(){
-        //cleanup,
-        for (std::list<dx_ifaceBlock*>::const_iterator it=blocks.begin(); it!=blocks.end(); ++it)
+    ~dx_data()
+    {
+        // cleanup,
+        for (std::list<dx_ifaceBlock *>::const_iterator it = blocks.begin(); it != blocks.end(); ++it)
             delete *it;
         delete mBlock;
     }
 
-    DRW_Header headerC;                 //stores a copy of the header vars
-    std::list<DRW_LType>lineTypes;      //stores a copy of all line types
-    std::list<DRW_Layer>layers;         //stores a copy of all layers
-    std::list<DRW_Dimstyle>dimStyles;   //stores a copy of all dimension styles
-    std::list<DRW_Vport>VPorts;         //stores a copy of all vports
-    std::list<DRW_Textstyle>textStyles; //stores a copy of all text styles
-    std::list<DRW_AppId>appIds;         //stores a copy of all line types
-    std::list<dx_ifaceBlock*>blocks;    //stores a copy of all blocks and the entities in it
-    std::list<dx_ifaceImg*>images;      //temporary list to find images for link with DRW_ImageDef. Do not delete it!!
+    DRW_Header headerC;                  // stores a copy of the header vars
+    std::list<DRW_LType> lineTypes;      // stores a copy of all line types
+    std::list<DRW_Layer> layers;         // stores a copy of all layers
+    std::list<DRW_Dimstyle> dimStyles;   // stores a copy of all dimension styles
+    std::list<DRW_Vport> VPorts;         // stores a copy of all vports
+    std::list<DRW_Textstyle> textStyles; // stores a copy of all text styles
+    std::list<DRW_AppId> appIds;         // stores a copy of all line types
+    std::list<dx_ifaceBlock *> blocks;   // stores a copy of all blocks and the entities in it
+    std::list<dx_ifaceImg *> images;     // temporary list to find images for link with DRW_ImageDef. Do not delete it!!
+
+    dx_ifaceBlock *mBlock; // container to store model entities
 
-    dx_ifaceBlock* mBlock;              //container to store model entities
 private:
     Q_DISABLE_COPY_MOVE(dx_data) // NOLINT
-
 };
 
 class dx_iface final : public DRW_Interface
 {
 public:
-    dx_iface(const std::string& file, DRW::Version v, VarMeasurement varMeasurement, VarInsunits varInsunits);
+    dx_iface(const std::string &file, DRW::Version v, VarMeasurement varMeasurement, VarInsunits varInsunits);
     virtual ~dx_iface();
     auto fileExport(bool binary) -> bool;
-    void writeEntity(DRW_Entity* e);
+    void writeEntity(DRW_Entity *e);
 
-    void AddXSpaceBlock(bool add) {dxfW->AddXSpaceBlock(add);}
+    void AddXSpaceBlock(bool add) { dxfW->AddXSpaceBlock(add); }
 
     auto ErrorString() const -> std::string;
 
     // reimplement virtual DRW_Interface functions
     // writer part, send all in class dx_data to writer
-    virtual void writeHeader(DRW_Header& data) override;
+    virtual void writeHeader(DRW_Header &data) override;
     virtual void writeBlocks() override;
-    //only send the name, needed by the reader to prepare handles of blocks & blockRecords
+    // only send the name, needed by the reader to prepare handles of blocks & blockRecords
     virtual void writeBlockRecords() override;
-    //write entities of model space and first paper_space
+    // write entities of model space and first paper_space
     virtual void writeEntities() override;
     virtual void writeLTypes() override;
     virtual void writeLayers() override;
@@ -121,9 +132,11 @@ public:
     virtual void writeObjects() override;
     virtual void writeAppId() override;
 
-    void AddEntity(DRW_Entity* e);
+    void AddEntity(DRW_Entity *e);
     auto AddFont(const QFont &f) -> UTF8STRING;
-    void AddBlock(dx_ifaceBlock* block);
+    void AddBlock(dx_ifaceBlock *block);
+
+    static auto QtPenStyleToString(Qt::PenStyle style) -> UTF8STRING;
 
     void AddQtLTypes();
     void AddDefLayers();
@@ -134,8 +147,8 @@ public:
 
 private:
     Q_DISABLE_COPY_MOVE(dx_iface) // NOLINT
-    dxfRW* dxfW; //pointer to writer, needed to send data
-    dx_data cData; // class to store or read data
+    dxfRW *dxfW;                  // pointer to writer, needed to send data
+    dx_data cData;                // class to store or read data
     DRW::Version version;
 
     void InitHeader(VarMeasurement varMeasurement, VarInsunits varInsunits);

src/libs/vdxf/vdxfengine.h

@@ -53,6 +53,7 @@ class DRW_Point;
 class DRW_ASTMNotch;
 struct VLayoutPassmark;
 class DRW_ATTDEF;
+class DRW_Circle;
 
 #if QT_VERSION >= QT_VERSION_CHECK(6, 0, 0)
 class VTextCodec;
@@ -142,21 +143,30 @@ private:
     void ExportAAMAOutline(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail);
     void ExportAAMADraw(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail);
     void ExportAAMADrawSewLine(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail);
+    void ExportAAMADrawInternalPaths(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail);
+    void ExportAAMADrawPlaceLabels(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail);
     void ExportAAMAIntcut(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail);
     void ExportAAMANotch(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail);
     void ExportAAMAGrainline(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail);
     void ExportPieceText(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail);
     void ExportStyleSystemText(const QSharedPointer<dx_iface> &input, const QVector<VLayoutPiece> &details);
     void ExportAAMADrill(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail);
+    void ExportAAMADrawFoldLine(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail);
 
     auto ExportToASTM(const QVector<VLayoutPiece> &details) -> bool;
     void ExportASTMPieceBoundary(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail);
     void ExportASTMSewLine(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail);
-    void ExportASTMInternalLine(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail);
+    void ExportASTMDrawInternalPaths(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail);
+    void ExportASTMDrawPlaceLabels(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail);
     void ExportASTMInternalCutout(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail);
     void ExportASTMAnnotationText(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail);
     void ExportASTMDrill(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail);
     void ExportASTMNotches(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail);
+    void ExportASTMMirrorLine(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail);
+    void ExportASTMDrawFoldLine(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail);
+
+    void ExportAnnotationText(const QSharedPointer<dx_ifaceBlock> &detailBlock, const VLayoutPiece &detail,
+                              const UTF8STRING &layer);
 
     Q_REQUIRED_RESULT auto ExportASTMNotch(const VLayoutPassmark &passmark) -> DRW_ASTMNotch *;
     Q_REQUIRED_RESULT auto ExportASTMNotchDataDependecy(const VLayoutPassmark &passmark, const UTF8STRING &notchLayer,
@@ -170,6 +180,7 @@ private:
     Q_REQUIRED_RESULT auto AAMALine(const QLineF &line, const UTF8STRING &layer) -> DRW_Entity *;
     Q_REQUIRED_RESULT auto AAMAText(const QPointF &pos, const QString &text, const UTF8STRING &layer) -> DRW_Entity *;
     Q_REQUIRED_RESULT auto AAMAPoint(const QPointF &pos, const UTF8STRING &layer) const -> DRW_Point *;
+    Q_REQUIRED_RESULT auto AAMACircle(const QPointF &pos, const UTF8STRING &layer, qreal radius) const -> DRW_Circle *;
 
     template <class P, class V, class C>
     Q_REQUIRED_RESULT auto CreateAAMAPolygon(const QVector<C> &polygon, const UTF8STRING &layer, bool forceClosed)
@@ -179,6 +190,16 @@ private:
     auto GetFileNameForLocale() const -> std::string;
 
     static auto NotchPrecedingPoint(const QVector<VLayoutPoint> &boundary, QPointF notchBase, QPointF &point) -> bool;
+
+    void AAMADrawFoldLineTwoArrows(const QVector<QVector<QPointF>> &points,
+                                   const QSharedPointer<dx_ifaceBlock> &detailBlock);
+    void AAMADrawFoldLineThreeDots(const QVector<QVector<QPointF>> &points,
+                                   const QSharedPointer<dx_ifaceBlock> &detailBlock, qreal radius);
+    void AAMADrawFoldLineThreeX(const QVector<QVector<QPointF>> &points,
+                                const QSharedPointer<dx_ifaceBlock> &detailBlock);
+
+    void ASTMDrawFoldLineTwoArrows(const QVector<QVector<QPointF>> &points,
+                                   const QSharedPointer<dx_ifaceBlock> &detailBlock);
 };
 
 #endif // VDXFENGINE_H

src/libs/vgeometry/vabstractcurve.cpp

@@ -596,7 +596,7 @@ auto VAbstractCurve::DirectionArrows() const -> QVector<DirectionArrow>
         }
 
         // Reverse line because we want start arrow from this point
-        arrow = QLineF(arrow.p2(), arrow.p1());
+        Swap(arrow);
         const qreal angle = arrow.angle(); // we each time change line angle, better save original angle value
         arrow.setLength(VAbstractCurve::LengthCurveDirectionArrow());
 

src/libs/vgeometry/vgeometrydef.cpp

@@ -96,3 +96,18 @@ auto operator>>(QDataStream &dataStream, VLayoutPassmark &data) -> QDataStream &
 
     return dataStream;
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+auto SingleParallelPoint(const QPointF &p1, const QPointF &p2, qreal angle, qreal width) -> QPointF
+{
+    QLineF pLine(p1, p2);
+    pLine.setAngle(pLine.angle() + angle);
+    pLine.setLength(width);
+    return pLine.p2();
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto SimpleParallelLine(const QPointF &p1, const QPointF &p2, qreal width) -> QLineF
+{
+    return {SingleParallelPoint(p1, p2, 90, width), SingleParallelPoint(p2, p1, -90, width)};
+}

src/libs/vgeometry/vgeometrydef.h

@@ -88,17 +88,25 @@ Q_DECLARE_METATYPE(VLayoutPassmark) // NOLINT
 
 constexpr qreal accuracyPointOnLine = MmToPixel(0.1555);
 
-Q_REQUIRED_RESULT static inline auto VFuzzyComparePoints(const QPointF &p1, const QPointF &p2,
-                                                         qreal accuracy = accuracyPointOnLine) -> bool;
-static inline auto VFuzzyComparePoints(const QPointF &p1, const QPointF &p2, qreal accuracy) -> bool
+Q_REQUIRED_RESULT inline auto VFuzzyComparePoints(const QPointF &p1, const QPointF &p2,
+                                                  qreal accuracy = accuracyPointOnLine) -> bool;
+inline auto VFuzzyComparePoints(const QPointF &p1, const QPointF &p2, qreal accuracy) -> bool
 {
     return QLineF(p1, p2).length() <= accuracy;
 }
 
-Q_REQUIRED_RESULT static inline auto VFuzzyOnAxis(qreal v1, qreal v2, qreal accuracy = accuracyPointOnLine) -> bool;
-static inline auto VFuzzyOnAxis(qreal v1, qreal v2, qreal accuracy) -> bool
+Q_REQUIRED_RESULT inline auto VFuzzyOnAxis(qreal v1, qreal v2, qreal accuracy = accuracyPointOnLine) -> bool;
+inline auto VFuzzyOnAxis(qreal v1, qreal v2, qreal accuracy) -> bool
 {
     return qAbs(v1 - v2) <= accuracy;
 }
 
+template <class T> inline void Swap(T &line)
+{
+    line = T(line.p2(), line.p1());
+}
+
+auto SingleParallelPoint(const QPointF &p1, const QPointF &p2, qreal angle, qreal width) -> QPointF;
+auto SimpleParallelLine(const QPointF &p1, const QPointF &p2, qreal width) -> QLineF;
+
 #endif // VGEOMETRYDEF_H

src/libs/vgeometry/vgobject.h

@@ -36,8 +36,8 @@
 #include <QVector>
 #include <QtGlobal>
 
-#include "vgeometrydef.h"
 #include "../vmisc/def.h"
+#include "vgeometrydef.h"
 
 class QLineF;
 class QPoint;
@@ -62,7 +62,7 @@ public:
 
     virtual ~VGObject();
 
-    auto operator= (const VGObject &obj) -> VGObject&;
+    auto operator=(const VGObject &obj) -> VGObject &;
 #ifdef Q_COMPILER_RVALUE_REFS
     VGObject(VGObject &&obj) noexcept;
     auto operator=(VGObject &&obj) noexcept -> VGObject &;
@@ -95,38 +95,37 @@ public:
 
     virtual auto ToJson() const -> QJsonObject;
 
-    static auto BuildLine(const QPointF &p1, const qreal& length, const qreal &angle) -> QLineF;
+    static auto BuildLine(const QPointF &p1, const qreal &length, const qreal &angle) -> QLineF;
     static auto BuildRay(const QPointF &firstPoint, const qreal &angle, const QRectF &scRect) -> QPointF;
     static auto BuildAxis(const QPointF &p, const qreal &angle, const QRectF &scRect) -> QLineF;
     static auto BuildAxis(const QPointF &p1, const QPointF &p2, const QRectF &scRect) -> QLineF;
 
-    static auto ContactPoints (const QPointF &p, const QPointF &center, qreal radius, QPointF &p1, QPointF &p2) -> int;
+    static auto ContactPoints(const QPointF &p, const QPointF &center, qreal radius, QPointF &p1, QPointF &p2) -> int;
     static auto LineIntersectRect(const QRectF &rec, const QLineF &line) -> QPointF;
     static auto IntersectionCircles(const QPointF &c1, double r1, const QPointF &c2, double r2, QPointF &p1,
                                     QPointF &p2) -> int;
-    static auto LineIntersectCircle(const QPointF &center, qreal radius, const QLineF &line, QPointF &p1,
-                                    QPointF &p2) -> qint32;
+    static auto LineIntersectCircle(const QPointF &center, qreal radius, const QLineF &line, QPointF &p1, QPointF &p2)
+        -> qint32;
     static auto ClosestPoint(const QLineF &line, const QPointF &point) -> QPointF;
-    static auto addVector (const QPointF &p, const QPointF &p1, const QPointF &p2, qreal k) -> QPointF;
+    static auto addVector(const QPointF &p, const QPointF &p1, const QPointF &p2, qreal k) -> QPointF;
     static void LineCoefficients(const QLineF &line, qreal *a, qreal *b, qreal *c);
-    static auto IsPointOnLineSegment (const QPointF &t, const QPointF &p1, const QPointF &p2,
-                                      qreal accuracy = accuracyPointOnLine) -> bool;
-    static auto IsLineSegmentOnLineSegment (const QLineF &seg1, const QLineF &seg2,
-                                            qreal accuracy = accuracyPointOnLine) -> bool;
+    static auto IsPointOnLineSegment(const QPointF &t, const QPointF &p1, const QPointF &p2,
+                                     qreal accuracy = accuracyPointOnLine) -> bool;
+    static auto IsLineSegmentOnLineSegment(const QLineF &seg1, const QLineF &seg2, qreal accuracy = accuracyPointOnLine)
+        -> bool;
     static auto CorrectDistortion(const QPointF &t, const QPointF &p1, const QPointF &p2) -> QPointF;
     static auto IsPointOnLineviaPDP(const QPointF &t, const QPointF &p1, const QPointF &p2,
                                     qreal accuracy = accuracyPointOnLine) -> bool;
     static auto GetLengthContour(const QVector<QPointF> &contour, const QVector<QPointF> &newPoints) -> int;
 
-    template <class T>
-    static auto PainterPath(const QVector<T> &points) -> QPainterPath;
+    template <class T> static auto PainterPath(const QVector<T> &points) -> QPainterPath;
 
-protected:
     static auto FlippingMatrix(const QLineF &axis) -> QTransform;
+
 private:
     QSharedDataPointer<VGObjectData> d;
 
-    static auto PointInCircle (const QPointF &p, const QPointF &center, qreal radius) -> int;
+    static auto PointInCircle(const QPointF &p, const QPointF &center, qreal radius) -> int;
 };
 
 QT_WARNING_POP
@@ -134,8 +133,7 @@ QT_WARNING_POP
 Q_DECLARE_TYPEINFO(VGObject, Q_MOVABLE_TYPE); // NOLINT
 
 //---------------------------------------------------------------------------------------------------------------------
-template <class T>
-inline auto VGObject::PainterPath(const QVector<T> &points) -> QPainterPath
+template <class T> inline auto VGObject::PainterPath(const QVector<T> &points) -> QPainterPath
 {
     QPainterPath path;
     path.setFillRule(Qt::WindingFill);

src/libs/vgeometry/vlayoutplacelabel.cpp

@@ -50,7 +50,8 @@ VLayoutPlaceLabel::VLayoutPlaceLabel(const VPlaceLabelItem &item)
   : m_center(item.toQPointF()),
     m_type(item.GetLabelType()),
     m_rotationMatrix(item.RotationMatrix()),
-    m_box(item.Box())
+    m_box(item.Box()),
+    m_notMirrored(item.IsNotMirrored())
 {
 }
 
@@ -66,7 +67,8 @@ auto operator<<(QDataStream &dataStream, const VLayoutPlaceLabel &data) -> QData
     dataStream << data.m_rotationMatrix;
     dataStream << data.m_box;
 
-    // Added in classVersion = 2
+    // Added in classVersion = 3
+    dataStream << data.m_notMirrored;
 
     return dataStream;
 }
@@ -110,10 +112,10 @@ auto operator>>(QDataStream &dataStream, VLayoutPlaceLabel &data) -> QDataStream
     dataStream >> data.m_rotationMatrix;
     dataStream >> data.m_box;
 
-    //    if (actualClassVersion >= 2)
-    //    {
-
-    //    }
+    if (actualClassVersion >= 3)
+    {
+        dataStream >> data.m_notMirrored;
+    }
 
     return dataStream;
 }

src/libs/vgeometry/vlayoutplacelabel.h

@@ -39,8 +39,8 @@ public:
     VLayoutPlaceLabel() = default;
     explicit VLayoutPlaceLabel(const VPlaceLabelItem &item);
 
-    friend auto operator<<(QDataStream& dataStream, const VLayoutPlaceLabel& data) -> QDataStream&;
-    friend auto operator>>(QDataStream& dataStream, VLayoutPlaceLabel& data) -> QDataStream&;
+    friend auto operator<<(QDataStream &dataStream, const VLayoutPlaceLabel &data) -> QDataStream &;
+    friend auto operator>>(QDataStream &dataStream, VLayoutPlaceLabel &data) -> QDataStream &;
 
     auto Center() const -> QPointF;
     void SetCenter(QPointF newCenter);
@@ -54,17 +54,21 @@ public:
     auto Box() const -> const QRectF &;
     void SetBox(const QRectF &newBox);
 
+    auto IsNotMirrored() const -> bool;
+    void SetNotMirrored(bool newNotMirrored);
+
 private:
     static constexpr quint32 streamHeader = 0xB282E284; // CRC-32Q string "VLayoutPlaceLabel"
-    static constexpr quint16 classVersion = 2;
+    static constexpr quint16 classVersion = 3;
 
-    QPointF        m_center{};
+    QPointF m_center{};
     PlaceLabelType m_type{PlaceLabelType::Button};
-    QTransform     m_rotationMatrix{};
-    QRectF         m_box{};
+    QTransform m_rotationMatrix{};
+    QRectF m_box{};
+    bool m_notMirrored{false};
 };
 
-Q_DECLARE_METATYPE(VLayoutPlaceLabel) // NOLINT
+Q_DECLARE_METATYPE(VLayoutPlaceLabel)                  // NOLINT
 Q_DECLARE_TYPEINFO(VLayoutPlaceLabel, Q_MOVABLE_TYPE); // NOLINT
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -115,4 +119,16 @@ inline void VLayoutPlaceLabel::SetBox(const QRectF &newBox)
     m_box = newBox;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+inline auto VLayoutPlaceLabel::IsNotMirrored() const -> bool
+{
+    return m_notMirrored;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+inline void VLayoutPlaceLabel::SetNotMirrored(bool newNotMirrored)
+{
+    m_notMirrored = newNotMirrored;
+}
+
 #endif // VLAYOUTPLACELABEL_H

src/libs/vgeometry/vplacelabelitem.cpp

@@ -195,6 +195,18 @@ void VPlaceLabelItem::SetLabelType(PlaceLabelType type)
     d->type = type;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+auto VPlaceLabelItem::IsNotMirrored() const -> bool
+{
+    return d->notMirrored;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VPlaceLabelItem::SetNotMirrored(bool value)
+{
+    d->notMirrored = value;
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 auto VPlaceLabelItem::RotationMatrix() const -> QTransform
 {

src/libs/vgeometry/vplacelabelitem.h

@@ -81,6 +81,9 @@ public:
     auto GetLabelType() const -> PlaceLabelType;
     void SetLabelType(PlaceLabelType type);
 
+    auto IsNotMirrored() const -> bool;
+    void SetNotMirrored(bool value);
+
     auto RotationMatrix() const -> QTransform;
     auto Box() const -> QRectF;
 

src/libs/vgeometry/vplacelabelitem_p.h

@@ -54,6 +54,7 @@ public:
     qreal aValue{0};          // NOLINT(misc-non-private-member-variables-in-classes)
     qreal correctionAngle{0}; // NOLINT(misc-non-private-member-variables-in-classes)
     qreal isVisible{1};       // NOLINT(misc-non-private-member-variables-in-classes)
+    bool notMirrored{false};  // NOLINT(misc-non-private-member-variables-in-classes)
 
 private:
     Q_DISABLE_ASSIGN_MOVE(VPlaceLabelItemData) // NOLINT

src/libs/vhpgl/vhpglengine.cpp

@@ -30,6 +30,7 @@
 #include "../vformat/vsinglelineoutlinechar.h"
 #include "../vgeometry/vlayoutplacelabel.h"
 #include "../vlayout/vboundary.h"
+#include "../vlayout/vfoldline.h"
 #include "../vlayout/vlayoutpiece.h"
 #include "../vlayout/vlayoutpiecepath.h"
 #include "../vlayout/vlayoutpoint.h"
@@ -70,6 +71,7 @@ Q_GLOBAL_STATIC_WITH_ARGS(const QString, mPG, ("PG"_L1)) // NOLINT page feed
 Q_GLOBAL_STATIC_WITH_ARGS(const QString, mPA, ("PA"_L1)) // NOLINT plot absolute
 Q_GLOBAL_STATIC_WITH_ARGS(const QString, mPW, ("PW"_L1)) // NOLINT pen width
 Q_GLOBAL_STATIC_WITH_ARGS(const QString, mLA, ("LA"_L1)) // NOLINT line attributes
+Q_GLOBAL_STATIC_WITH_ARGS(const QString, mCI, ("CI"_L1)) // NOLINT circle
 
 QT_WARNING_POP
 
@@ -162,12 +164,17 @@ inline auto LineAlign(const TextLine &tl, const QString &text, const QFontMetric
 
 //---------------------------------------------------------------------------------------------------------------------
 auto LineMatrix(const VLayoutPiece &piece, const QPointF &topLeft, qreal angle, const QPointF &linePos,
-                int maxLineWidth, qreal maxLabelHeight) -> QTransform
+                int maxLineWidth) -> QTransform
 {
     QTransform labelMatrix;
     labelMatrix.translate(topLeft.x(), topLeft.y());
 
-    if (piece.IsVerticallyFlipped() || piece.IsHorizontallyFlipped())
+    if ((piece.IsVerticallyFlipped() && piece.IsHorizontallyFlipped()) ||
+        (!piece.IsVerticallyFlipped() && !piece.IsHorizontallyFlipped()))
+    {
+        labelMatrix.rotate(angle);
+    }
+    else if (piece.IsVerticallyFlipped() || piece.IsHorizontallyFlipped())
     {
         if (piece.IsVerticallyFlipped())
         {
@@ -178,15 +185,11 @@ auto LineMatrix(const VLayoutPiece &piece, const QPointF &topLeft, qreal angle,
 
         if (piece.IsHorizontallyFlipped())
         {
-            labelMatrix.scale(1, -1);
+            labelMatrix.scale(-1, 1);
             labelMatrix.rotate(-angle);
-            labelMatrix.translate(0, -maxLabelHeight);
+            labelMatrix.translate(-maxLineWidth, 0);
         }
     }
-    else
-    {
-        labelMatrix.rotate(angle);
-    }
 
     labelMatrix.translate(linePos.x(), linePos.y()); // Each string has own position
     labelMatrix *= piece.GetMatrix();
@@ -230,72 +233,6 @@ auto NextPattern(int patternIndex, const QVector<int> &pattern) -> int
 {
     return (patternIndex + 2) % static_cast<int>(pattern.size());
 }
-
-//---------------------------------------------------------------------------------------------------------------------
-auto LabelHeightSVGFont(const VLayoutPiece &detail, const QVector<TextLine> &labelLines, const VSvgFont &svgFont,
-                        const VSvgFontDatabase *db, qreal penWidth, qreal dH, int spacing) -> qreal
-{
-    qreal labelHeight = 0;
-    if (detail.IsHorizontallyFlipped())
-    {
-        for (int i = 0; i < labelLines.size(); ++i)
-        {
-            const VSvgFont fnt = LineFont(labelLines.at(i), svgFont);
-            VSvgFontEngine engine = db->FontEngine(fnt);
-
-            const qreal lineHeight = engine.FontHeight() + penWidth;
-
-            if (labelHeight + lineHeight > dH)
-            {
-                break;
-            }
-
-            if (i < labelLines.size() - 1)
-            {
-                labelHeight += lineHeight + spacing;
-            }
-            else
-            {
-                labelHeight += lineHeight;
-            }
-        }
-    }
-
-    return labelHeight;
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-auto LabelHeightOutlineFont(const VLayoutPiece &detail, const QVector<TextLine> &labelLines, const QFont &font,
-                            qreal penWidth, qreal dH, int spacing) -> qreal
-{
-    qreal labelHeight = 0;
-    if (detail.IsHorizontallyFlipped())
-    {
-        for (int i = 0; i < labelLines.size(); ++i)
-        {
-            const QFont fnt = LineFont(labelLines.at(i), font);
-            QFontMetrics fm(fnt);
-
-            const qreal lineHeight = fm.height() + penWidth;
-
-            if (labelHeight + lineHeight > dH)
-            {
-                break;
-            }
-
-            if (i < labelLines.size() - 1)
-            {
-                labelHeight += lineHeight + spacing;
-            }
-            else
-            {
-                labelHeight += lineHeight;
-            }
-        }
-    }
-
-    return labelHeight;
-}
 } // namespace
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -455,9 +392,11 @@ void VHPGLEngine::ExportDetails(QTextStream &out, const QList<VLayoutPiece> &det
         PlotSewLine(out, detail);
         PlotInternalPaths(out, detail);
         PlotGrainline(out, detail);
+        PlotMirrorLine(out, detail);
         PlotPlaceLabels(out, detail);
         PlotPassmarks(out, detail);
         PlotLabels(out, detail);
+        PlotFoldLine(out, detail);
     }
 }
 
@@ -474,17 +413,21 @@ void VHPGLEngine::PlotSewLine(QTextStream &out, const VLayoutPiece &detail)
 {
     if (detail.IsSeamAllowance() && not detail.IsHideMainPath() && not detail.IsSeamAllowanceBuiltIn())
     {
-        QVector<VLayoutPoint> sewLine = detail.GetMappedContourPoints();
+        QVector<VLayoutPoint> const sewLine = detail.GetMappedFullContourPoints();
 
         if (m_togetherWithNotches)
         {
             const QVector<VLayoutPassmark> passmarks = detail.GetMappedPassmarks();
 
-            bool seamAllowance = detail.IsSeamAllowance() && detail.IsSeamAllowanceBuiltIn();
-            bool builtInSeamAllowance = detail.IsSeamAllowance() && detail.IsSeamAllowanceBuiltIn();
+            bool const seamAllowance = detail.IsSeamAllowance() && detail.IsSeamAllowanceBuiltIn();
+            bool const builtInSeamAllowance = detail.IsSeamAllowance() && detail.IsSeamAllowanceBuiltIn();
 
             VBoundary boundary(sewLine, seamAllowance, builtInSeamAllowance);
             boundary.SetPieceName(detail.GetName());
+            if (detail.IsShowFullPiece() && !detail.GetMappedSeamMirrorLine().isNull())
+            {
+                boundary.SetMirrorLine(detail.GetMappedSeamMirrorLine());
+            }
             const QList<VBoundarySequenceItemData> sequence = boundary.Combine(passmarks, true, false);
 
             for (const auto &item : sequence)
@@ -511,18 +454,22 @@ void VHPGLEngine::PlotSewLine(QTextStream &out, const VLayoutPiece &detail)
 void VHPGLEngine::PlotSeamAllowance(QTextStream &out, const VLayoutPiece &detail)
 {
     QVector<VLayoutPoint> pieceBoundary = detail.IsSeamAllowance() && not detail.IsSeamAllowanceBuiltIn()
-                                              ? detail.GetMappedSeamAllowancePoints()
-                                              : detail.GetMappedContourPoints();
+                                              ? detail.GetMappedFullSeamAllowancePoints()
+                                              : detail.GetMappedFullContourPoints();
 
     if (m_togetherWithNotches)
     {
         const QVector<VLayoutPassmark> passmarks = detail.GetMappedPassmarks();
 
-        bool seamAllowance = detail.IsSeamAllowance() && !detail.IsSeamAllowanceBuiltIn();
-        bool builtInSeamAllowance = detail.IsSeamAllowance() && detail.IsSeamAllowanceBuiltIn();
+        bool const seamAllowance = detail.IsSeamAllowance() && !detail.IsSeamAllowanceBuiltIn();
+        bool const builtInSeamAllowance = detail.IsSeamAllowance() && detail.IsSeamAllowanceBuiltIn();
 
         VBoundary boundary(pieceBoundary, seamAllowance, builtInSeamAllowance);
         boundary.SetPieceName(detail.GetName());
+        if (detail.IsShowFullPiece() && !detail.GetMappedSeamAllowanceMirrorLine().isNull())
+        {
+            boundary.SetMirrorLine(detail.GetMappedSeamAllowanceMirrorLine());
+        }
         const QList<VBoundarySequenceItemData> sequence = boundary.Combine(passmarks, false, false);
 
         pieceBoundary.clear();
@@ -548,25 +495,50 @@ void VHPGLEngine::PlotSeamAllowance(QTextStream &out, const VLayoutPiece &detail
 //---------------------------------------------------------------------------------------------------------------------
 void VHPGLEngine::PlotInternalPaths(QTextStream &out, const VLayoutPiece &detail)
 {
-    QVector<VLayoutPiecePath> internalPaths = detail.GetInternalPaths();
+    QVector<VLayoutPiecePath> const internalPaths = detail.GetInternalPaths();
     for (const auto &path : internalPaths)
     {
         QVector<VLayoutPoint> points = VLayoutPiece::MapVector(
             path.Points(), detail.GetMatrix(), detail.IsVerticallyFlipped() || detail.IsHorizontallyFlipped());
         PlotPath(out, CastToPoint(ConvertPath(points)), path.PenStyle());
+
+        if (!path.IsNotMirrored() && detail.IsShowFullPiece() && !detail.GetMappedSeamMirrorLine().isNull())
+        {
+            const QTransform matrix = VGObject::FlippingMatrix(detail.GetMappedSeamMirrorLine());
+            std::transform(points.begin(), points.end(), points.begin(),
+                           [matrix](const VLayoutPoint &point) { return VAbstractPiece::MapPoint(point, matrix); });
+            PlotPath(out, CastToPoint(ConvertPath(points)), path.PenStyle());
+        }
     }
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 void VHPGLEngine::PlotPlaceLabels(QTextStream &out, const VLayoutPiece &detail)
 {
+    auto PlotShape = [this, &out](const PlaceLabelImg &shape)
+    {
+        for (const auto &subShape : shape)
+        {
+            PlotPath(out, CastToPoint(ConvertPath(subShape)), Qt::SolidLine);
+        }
+    };
+
     const QVector<VLayoutPlaceLabel> placeLabels = detail.GetPlaceLabels();
     for (const auto &pLabel : placeLabels)
     {
-        PlaceLabelImg shape = detail.MapPlaceLabelShape(VAbstractPiece::PlaceLabelShape(pLabel));
-        for (auto &subShape : shape)
+        PlotShape(detail.MapPlaceLabelShape(VAbstractPiece::PlaceLabelShape(pLabel)));
+
+        if (!pLabel.IsNotMirrored() && detail.IsShowFullPiece() && !detail.GetMappedSeamMirrorLine().isNull())
         {
-            PlotPath(out, CastToPoint(ConvertPath(subShape)), Qt::SolidLine);
+            PlaceLabelImg shape = detail.MapPlaceLabelShape(VAbstractPiece::PlaceLabelShape(pLabel));
+            const QTransform matrix = VGObject::FlippingMatrix(detail.GetMappedSeamMirrorLine());
+            for (auto &points : shape)
+            {
+                std::transform(points.begin(), points.end(), points.begin(),
+                               [matrix](const VLayoutPoint &point) { return VAbstractPiece::MapPoint(point, matrix); });
+            }
+
+            PlotShape(shape);
         }
     }
 }
@@ -579,14 +551,31 @@ void VHPGLEngine::PlotPassmarks(QTextStream &out, const VLayoutPiece &detail)
         return;
     }
 
-    const QVector<VLayoutPassmark> passmarks = detail.GetMappedPassmarks();
-    for (const auto &passmark : passmarks)
+    auto PlotPassmark = [this, &out](const VLayoutPassmark &passmark)
     {
         for (const auto &subLine : passmark.lines)
         {
             HPPenUp(out, ConvertPoint(subLine.p1()).toPoint());
             HPPenDown(out, ConvertPoint(subLine.p2()).toPoint());
         }
+    };
+
+    const QVector<VLayoutPassmark> passmarks = detail.GetMappedPassmarks();
+    for (const auto &passmark : passmarks)
+    {
+        PlotPassmark(passmark);
+
+        const QLineF mirrorLine = detail.GetMappedSeamMirrorLine();
+        if (!mirrorLine.isNull() && detail.IsShowFullPiece())
+        {
+            if (!VGObject::IsPointOnLineviaPDP(passmark.baseLine.p1(), mirrorLine.p1(), mirrorLine.p2()))
+            {
+                const QTransform matrix = VGObject::FlippingMatrix(mirrorLine);
+                const VLayoutPassmark mirroredPassmark = VLayoutPiece::MapPassmark(passmark, matrix, false);
+
+                PlotPassmark(mirroredPassmark);
+            }
+        }
     }
 }
 
@@ -605,13 +594,128 @@ void VHPGLEngine::PlotGrainline(QTextStream &out, const VLayoutPiece &detail)
         return;
     }
 
-    GrainlineShape shape = detail.GetMappedGrainlineShape();
+    GrainlineShape const shape = detail.GetMappedGrainlineShape();
     for (const auto &subShape : shape)
     {
         PlotPath(out, CastToPoint(ConvertPath(subShape)), Qt::SolidLine);
     }
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VHPGLEngine::PlotMirrorLine(QTextStream &out, const VLayoutPiece &detail)
+{
+    if (detail.IsShowFullPiece())
+    {
+        const QLineF mirrorLine = detail.GetMappedSeamAllowanceMirrorLine();
+        if (not mirrorLine.isNull())
+        {
+            PlotPath(out, CastToPoint(ConvertPath<QPointF>({mirrorLine.p1(), mirrorLine.p2()})), Qt::DashDotLine);
+        }
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VHPGLEngine::PlotFoldLine(QTextStream &out, const VLayoutPiece &detail)
+{
+    VFoldLine const fLine = detail.FoldLine();
+
+    switch (detail.GetFoldLineType())
+    {
+        case FoldLineType::TwoArrows:
+        case FoldLineType::TwoArrowsTextAbove:
+        case FoldLineType::TwoArrowsTextUnder:
+            PlotFoldTwoArrowsText(out, fLine);
+            break;
+        case FoldLineType::ThreeDots:
+            PlotFoldThreeDots(out, fLine);
+            break;
+        case FoldLineType::ThreeX:
+            PlotFoldThreeX(out, fLine);
+            break;
+        case FoldLineType::LAST_ONE_DO_NOT_USE:
+            Q_UNREACHABLE();
+            break;
+        case FoldLineType::Text:
+            PlotFoldLineText(out, fLine);
+            break;
+        case FoldLineType::None:
+        default:
+            break;
+    };
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VHPGLEngine::PlotFoldLineText(QTextStream &out, const VFoldLine &fLine)
+{
+    QVector<QPainterPath> const path = fLine.FoldLinePath();
+    if (!path.isEmpty())
+    {
+        PlotPainterPath(out, path.constFirst(), Qt::SolidLine);
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VHPGLEngine::PlotFoldThreeX(QTextStream &out, const VFoldLine &fLine)
+{
+    QVector<QVector<QPointF>> const points = fLine.FoldLineMarkPoints();
+
+    if (points.isEmpty())
+    {
+        return;
+    }
+
+    QVector<QPointF> const &shape = points.constFirst();
+    for (int i = 0; i < shape.size() - 1; i += 2)
+    {
+        HPPenUp(out, ConvertPoint(shape.at(i)).toPoint());
+        HPPenDown(out, ConvertPoint(shape.at(i + 1)).toPoint());
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VHPGLEngine::PlotFoldTwoArrowsText(QTextStream &out, const VFoldLine &fLine)
+{
+    QVector<QVector<QPointF>> points = fLine.FoldLineMarkPoints();
+    if (points.isEmpty() || points.size() != 3)
+    {
+        return;
+    }
+
+    points.removeAt(1);
+    QVector<QPointF> shape;
+    for (const auto &subShape : points)
+    {
+        shape += subShape;
+    }
+
+    const auto arrows = CastToPoint(ConvertPath(shape));
+    PlotPath(out, arrows, Qt::SolidLine);
+
+    QVector<QPainterPath> const path = fLine.FoldLinePath();
+    if (path.size() > 1)
+    {
+        PlotPainterPath(out, path.constLast(), Qt::SolidLine);
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VHPGLEngine::PlotFoldThreeDots(QTextStream &out, const VFoldLine &fLine)
+{
+    QVector<QVector<QPointF>> const points = fLine.FoldLineMarkPoints();
+
+    if (points.isEmpty() || points.constFirst().size() != 3)
+    {
+        return;
+    }
+
+    QVector<QPointF> const &shape = points.constFirst();
+    qreal const radius = fLine.ThreeDotsRadius();
+    for (const auto &center : shape)
+    {
+        PlotCircle(out, center, radius);
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 void VHPGLEngine::PlotLabel(QTextStream &out, const VLayoutPiece &detail, const QVector<QPointF> &labelShape,
                             const VTextManager &tm)
@@ -639,7 +743,7 @@ void VHPGLEngine::PlotLabelSVGFont(QTextStream &out, const VLayoutPiece &detail,
     VSvgFontEngine engine =
         db->FontEngine(tm.GetSVGFontFamily(), SVGFontStyle::Normal, SVGFontWeight::Normal, tm.GetSVGFontPointSize());
 
-    VSvgFont svgFont = engine.Font();
+    VSvgFont const svgFont = engine.Font();
     if (!svgFont.IsValid())
     {
         qDebug() << QStringLiteral("Invalid SVG font '%1'. Fallback to outline font.").arg(svgFont.Name());
@@ -656,8 +760,6 @@ void VHPGLEngine::PlotLabelSVGFont(QTextStream &out, const VLayoutPiece &detail,
 
     const QVector<TextLine> labelLines = tm.GetLabelSourceLines(qFloor(dW), svgFont, m_penWidthPx);
 
-    const qreal labelHeight = LabelHeightSVGFont(detail, labelLines, svgFont, db, m_penWidthPx, dH, tm.GetSpacing());
-
     for (const auto &tl : labelLines)
     {
         const VSvgFont fnt = LineFont(tl, svgFont);
@@ -671,10 +773,9 @@ void VHPGLEngine::PlotLabelSVGFont(QTextStream &out, const VLayoutPiece &detail,
         const QString qsText = tl.m_qsText;
         const qreal dX = LineAlign(tl, qsText, engine, dW, m_penWidthPx);
         // set up the rotation around top-left corner matrix
-        const QTransform lineMatrix =
-            LineMatrix(detail, labelShape.at(0), angle, QPointF(dX, dY), maxLineWidth, labelHeight);
+        const QTransform lineMatrix = LineMatrix(detail, labelShape.at(0), angle, QPointF(dX, dY), maxLineWidth);
 
-        QPainterPath path = lineMatrix.map(engine.DrawPath(QPointF(), qsText));
+        QPainterPath const path = lineMatrix.map(engine.DrawPath(QPointF(), qsText));
         PlotPainterPath(out, path, Qt::SolidLine);
 
         dY += engine.FontHeight() + m_penWidthPx + tm.GetSpacing();
@@ -706,20 +807,17 @@ void VHPGLEngine::PlotLabelOutlineFont(QTextStream &out, const VLayoutPiece &det
 
     const QVector<TextLine> labelLines = tm.GetLabelSourceLines(qFloor(dW), tm.GetFont());
 
-    const qreal labelHeight =
-        LabelHeightOutlineFont(detail, labelLines, tm.GetFont(), m_penWidthPx, dH, tm.GetSpacing());
-
     for (const auto &tl : labelLines)
     {
         const QFont fnt = LineFont(tl, tm.GetFont());
 
-        VSingleLineOutlineChar corrector(fnt);
+        VSingleLineOutlineChar const corrector(fnt);
         if (m_singleStrokeOutlineFont && !corrector.IsPopulated())
         {
             corrector.LoadCorrections(settings->GetPathFontCorrections());
         }
 
-        QFontMetrics fm(fnt);
+        QFontMetrics const fm(fnt);
 
         if (dY + fm.height() > dH)
         {
@@ -729,8 +827,7 @@ void VHPGLEngine::PlotLabelOutlineFont(QTextStream &out, const VLayoutPiece &det
         const QString qsText = tl.m_qsText;
         const qreal dX = LineAlign(tl, qsText, fm, dW);
         // set up the rotation around top-left corner matrix
-        const QTransform lineMatrix =
-            LineMatrix(detail, labelShape.at(0), angle, QPointF(dX, dY), maxLineWidth, labelHeight);
+        const QTransform lineMatrix = LineMatrix(detail, labelShape.at(0), angle, QPointF(dX, dY), maxLineWidth);
 
         QPainterPath path;
 
@@ -777,7 +874,7 @@ template <class T> auto VHPGLEngine::ConvertPoint(T point) const -> T
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void VHPGLEngine::PlotPath(QTextStream &out, QVector<QPoint> path, Qt::PenStyle penStyle)
+void VHPGLEngine::PlotPath(QTextStream &out, const QVector<QPoint> &path, Qt::PenStyle penStyle)
 {
     if (penStyle == Qt::NoPen)
     {
@@ -796,22 +893,22 @@ void VHPGLEngine::PlotPath(QTextStream &out, QVector<QPoint> path, Qt::PenStyle
     }
     else
     {
-        QVector<int> patetrn = PatternForStyle(penStyle);
+        QVector<int> const patetrn = PatternForStyle(penStyle);
         PlotPathForStyle(out, path, patetrn);
     }
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-void VHPGLEngine::PlotSolidLinePath(QTextStream &out, QVector<QPoint> path)
+void VHPGLEngine::PlotSolidLinePath(QTextStream &out, const QVector<QPoint> &path)
 {
     if (path.size() < 2)
     {
-        HPPenUp(out, path.first());
+        HPPenUp(out, path.constFirst());
         HPPenDown(out);
         return;
     }
 
-    HPPenUp(out, path.first());
+    HPPenUp(out, path.constFirst());
 
     for (int i = 1; i < path.size(); ++i)
     {
@@ -845,13 +942,13 @@ void VHPGLEngine::PlotPathForStyle(QTextStream &out, QVector<QPoint> path, QVect
     for (int i = 1; i < path.size(); ++i)
     {
         QPointF prevPoint = path.at(i - 1);
-        QPoint currPoint = path.at(i);
+        QPoint const currPoint = path.at(i);
 
-        qreal distance = QLineF(prevPoint, currPoint).length();
+        qreal const distance = QLineF(prevPoint, currPoint).length();
         qreal segmentDistance = 0;
         do
         {
-            qreal subDistance = QLineF(prevPoint, currPoint).length();
+            qreal const subDistance = QLineF(prevPoint, currPoint).length();
             patternDistance = CurrentPatternDistance(patternDistance, dashMode, pattern, patternIndex);
 
             if (subDistance < patternDistance)
@@ -913,6 +1010,13 @@ void VHPGLEngine::PlotPainterPath(QTextStream &out, const QPainterPath &path, Qt
     }
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VHPGLEngine::PlotCircle(QTextStream &out, const QPointF &center, qreal radius)
+{
+    HPPenUp(out, ConvertPoint(center).toPoint());
+    HPComand(out, *mCI, QString::number(qFloor(ConvertPixels(radius))));
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 void VHPGLEngine::HPPenUp(QTextStream &out, QPoint point)
 {

src/libs/vhpgl/vhpglengine.h

@@ -47,6 +47,7 @@ class VLayoutPoint;
 class QTextStream;
 class VTextManager;
 class QPainterPath;
+class VFoldLine;
 
 class VHPGLEngine
 {
@@ -121,6 +122,13 @@ private:
     void PlotPassmarks(QTextStream &out, const VLayoutPiece &detail);
     void PlotLabels(QTextStream &out, const VLayoutPiece &detail);
     void PlotGrainline(QTextStream &out, const VLayoutPiece &detail);
+    void PlotMirrorLine(QTextStream &out, const VLayoutPiece &detail);
+    void PlotFoldLine(QTextStream &out, const VLayoutPiece &detail);
+
+    void PlotFoldLineText(QTextStream &out, const VFoldLine &fLine);
+    void PlotFoldThreeX(QTextStream &out, const VFoldLine &fLine);
+    void PlotFoldTwoArrowsText(QTextStream &out, const VFoldLine &fLine);
+    void PlotFoldThreeDots(QTextStream &out, const VFoldLine &fLine);
 
     void PlotLabel(QTextStream &out, const VLayoutPiece &detail, const QVector<QPointF> &labelShape,
                    const VTextManager &tm);
@@ -131,10 +139,11 @@ private:
 
     template <class T> auto ConvertPath(const QVector<T> &path) const -> QVector<T>;
     template <class T> auto ConvertPoint(T point) const -> T;
-    void PlotPath(QTextStream &out, QVector<QPoint> path, Qt::PenStyle penStyle);
-    void PlotSolidLinePath(QTextStream &out, QVector<QPoint> path);
+    void PlotPath(QTextStream &out, const QVector<QPoint> &path, Qt::PenStyle penStyle);
+    void PlotSolidLinePath(QTextStream &out, const QVector<QPoint> &path);
     void PlotPathForStyle(QTextStream &out, QVector<QPoint> path, QVector<int> pattern);
     void PlotPainterPath(QTextStream &out, const QPainterPath &path, Qt::PenStyle penStyle);
+    void PlotCircle(QTextStream &out, const QPointF &center, qreal radius);
 
     void HPPenUp(QTextStream &out, QPoint point);
     void HPPenUp(QTextStream &out);

src/libs/vlayout/vabstractpiece.cpp

@@ -639,22 +639,6 @@ auto AngleBySecondRightAngle(QVector<VRawSAPoint> points, QPointF p1, QPointF p2
     return points;
 }
 
-//---------------------------------------------------------------------------------------------------------------------
-auto SingleParallelPoint(const QPointF &p1, const QPointF &p2, qreal angle, qreal width) -> QPointF
-{
-    QLineF pLine(p1, p2);
-    pLine.setAngle(pLine.angle() + angle);
-    pLine.setLength(width);
-    return pLine.p2();
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-auto SimpleParallelLine(const QPointF &p1, const QPointF &p2, qreal width) -> QLineF
-{
-    const QLineF paralel = QLineF(SingleParallelPoint(p1, p2, 90, width), SingleParallelPoint(p2, p1, -90, width));
-    return paralel;
-}
-
 //---------------------------------------------------------------------------------------------------------------------
 auto BisectorLine(const QPointF &p1, const QPointF &p2, const QPointF &p3) -> QLineF
 {
@@ -971,7 +955,7 @@ void VAbstractPiece::SetForbidFlipping(bool value)
 
     if (value)
     {
-        SetForceFlipping(not value);
+        d->m_forceFlipping = not value;
     }
 }
 
@@ -988,7 +972,7 @@ void VAbstractPiece::SetForceFlipping(bool value)
 
     if (value)
     {
-        SetForbidFlipping(not value);
+        d->m_forbidFlipping = not value;
     }
 }
 
@@ -1052,6 +1036,18 @@ void VAbstractPiece::SetSewLineOnDrawing(bool value)
     d->m_onDrawing = value;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+auto VAbstractPiece::IsShowFullPiece() const -> bool
+{
+    return d->m_showFullPiece;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VAbstractPiece::SetShowFullPiece(bool value)
+{
+    d->m_showFullPiece = value;
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 auto VAbstractPiece::GetSAWidth() const -> qreal
 {
@@ -1521,6 +1517,78 @@ void VAbstractPiece::SetPriority(uint value)
     d->m_priority = value;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+auto VAbstractPiece::GetFoldLineType() const -> FoldLineType
+{
+    return d->m_foldLineType;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VAbstractPiece::SetFoldLineType(FoldLineType lineType)
+{
+    d->m_foldLineType = lineType;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VAbstractPiece::GetFoldLineSvgFontSize() const -> unsigned int
+{
+    return d->m_foldLineSvgFontSize;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VAbstractPiece::SetFoldLineSvgFontSize(unsigned int size)
+{
+    d->m_foldLineSvgFontSize = size;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VAbstractPiece::IsFoldLineLabelFontItalic() const -> bool
+{
+    return d->m_foldLineLabelFontItalic;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VAbstractPiece::SetFoldLineLabelFontItalic(bool value)
+{
+    d->m_foldLineLabelFontItalic = value;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VAbstractPiece::IsFoldLineLabelFontBold() const -> bool
+{
+    return d->m_foldLineLabelFontBold;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VAbstractPiece::SetFoldLineLabelFontBold(bool value)
+{
+    d->m_foldLineLabelFontBold = value;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VAbstractPiece::GetFoldLineLabel() const -> QString
+{
+    return d->m_foldLineLabel;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VAbstractPiece::SetFoldLineLabel(const QString &value)
+{
+    d->m_foldLineLabel = value;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VAbstractPiece::GetFoldLineLabelAlignment() const -> int
+{
+    return d->m_foldLineLabelAlignment;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VAbstractPiece::SetFoldLineLabelAlignment(int alignment)
+{
+    d->m_foldLineLabelAlignment = alignment;
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 auto VAbstractPiece::GetUUID() const -> QUuid
 {
@@ -1953,6 +2021,7 @@ auto VAbstractPiece::PlaceLabelShape(const VLayoutPlaceLabel &label) -> PlaceLab
         }
 
         QVector<VLayoutPoint> shape3;
+        shape3.reserve(points.size());
         for (int i = 0; i < points.size(); ++i)
         {
             bool turnPoint = false;
@@ -1979,6 +2048,7 @@ auto VAbstractPiece::PlaceLabelShape(const VLayoutPlaceLabel &label) -> PlaceLab
         }
 
         QVector<VLayoutPoint> circle;
+        circle.reserve(points.size());
         for (int i = 0; i < points.size(); ++i)
         {
             bool turnPoint = false;

src/libs/vlayout/vabstractpiece.h

@@ -35,9 +35,12 @@
 #include <QPointF>
 #include <QSharedDataPointer>
 #include <QtGlobal>
+#include <algorithm>
 
+#include "../vgeometry/vgeometrydef.h"
 #include "../vgeometry/vgobject.h"
 #include "../vmisc/compatibility.h"
+#include "../vmisc/testpath.h"
 #include "vrawsapoint.h"
 #include "vsapoint.h"
 
@@ -47,6 +50,17 @@ class VGrainlineData;
 class VContainer;
 class VRawSAPoint;
 class VLayoutPlaceLabel;
+class VLayoutPoint;
+
+template <typename T> struct IsLayoutPoint
+{
+    static const bool value = false;
+};
+
+template <> struct IsLayoutPoint<VLayoutPoint>
+{
+    static const bool value = true;
+};
 
 using PlaceLabelImg = QVector<QVector<VLayoutPoint>>;
 
@@ -89,6 +103,9 @@ public:
     auto IsSewLineOnDrawing() const -> bool;
     void SetSewLineOnDrawing(bool value);
 
+    auto IsShowFullPiece() const -> bool;
+    void SetShowFullPiece(bool value);
+
     auto GetSAWidth() const -> qreal;
     void SetSAWidth(qreal value);
 
@@ -101,6 +118,24 @@ public:
     auto GetPriority() const -> uint;
     void SetPriority(uint value);
 
+    auto GetFoldLineType() const -> FoldLineType;
+    void SetFoldLineType(FoldLineType lineType);
+
+    auto GetFoldLineSvgFontSize() const -> unsigned int;
+    void SetFoldLineSvgFontSize(unsigned int size);
+
+    auto IsFoldLineLabelFontItalic() const -> bool;
+    void SetFoldLineLabelFontItalic(bool value);
+
+    auto IsFoldLineLabelFontBold() const -> bool;
+    void SetFoldLineLabelFontBold(bool value);
+
+    auto GetFoldLineLabel() const -> QString;
+    void SetFoldLineLabel(const QString &value);
+
+    auto GetFoldLineLabelAlignment() const -> int;
+    void SetFoldLineLabelAlignment(int alignment);
+
     auto GetUUID() const -> QUuid;
     void SetUUID(const QUuid &uuid);
     void SetUUID(const QString &uuid);
@@ -142,6 +177,22 @@ public:
     template <class T>
     static auto RemoveDublicates(const QVector<T> &points, bool removeFirstAndLast = true) -> QVector<T>;
 
+    template <class T>
+    static auto SubdividePath(const QVector<T> &boundary, const QPointF &p, QVector<T> &sub1, QVector<T> &sub2) -> bool;
+
+    template <class T> static auto MirrorPath(const QVector<T> &points, const QLineF &mirrorLine) -> QVector<T>;
+
+    template <class T> static auto FullPath(const QVector<T> &points, const QLineF &mirrorLine) -> QVector<T>;
+
+    template <class T>
+    static auto MapVector(QVector<T> points, const QTransform &matrix, bool mirror = false) -> QVector<T>;
+
+    template <class T>
+    static auto MapPoint(T obj, const QTransform &matrix) -> typename std::enable_if<!IsLayoutPoint<T>::value, T>::type;
+
+    template <class T>
+    static auto MapPoint(T obj, const QTransform &matrix) -> typename std::enable_if<IsLayoutPoint<T>::value, T>::type;
+
 protected:
     static auto IsEkvPointOnLine(const QPointF &iPoint, const QPointF &prevPoint, const QPointF &nextPoint) -> bool;
     static auto IsEkvPointOnLine(const VSAPoint &iPoint, const VSAPoint &prevPoint, const VSAPoint &nextPoint) -> bool;
@@ -161,6 +212,11 @@ protected:
 
 private:
     QSharedDataPointer<VAbstractPieceData> d;
+
+    template <typename T>
+    static auto MakeTurnPoint(const QPointF &p) -> typename std::enable_if<!IsLayoutPoint<T>::value, T>::type;
+    template <typename T>
+    static auto MakeTurnPoint(const QPointF &p) -> typename std::enable_if<IsLayoutPoint<T>::value, T>::type;
 };
 
 Q_DECLARE_TYPEINFO(VAbstractPiece, Q_MOVABLE_TYPE); // NOLINT
@@ -694,4 +750,232 @@ inline auto VAbstractPiece::IntersectionPoint<QPointF>(QPointF crosPoint, const
     return crosPoint;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+template <typename T>
+inline auto VAbstractPiece::MakeTurnPoint(const QPointF &p) ->
+    typename std::enable_if<!IsLayoutPoint<T>::value, T>::type
+{
+    return p;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+template <typename T>
+inline auto VAbstractPiece::MakeTurnPoint(const QPointF &p) -> typename std::enable_if<IsLayoutPoint<T>::value, T>::type
+{
+    T breakPoint(p);
+    breakPoint.SetTurnPoint(true);
+    return breakPoint;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+template <class T>
+inline auto VAbstractPiece::SubdividePath(const QVector<T> &boundary, const QPointF &p, QVector<T> &sub1,
+                                          QVector<T> &sub2) -> bool
+{
+    if (boundary.size() < 2)
+    {
+        return false;
+    }
+
+    bool found = false;
+    sub1.clear();
+    sub2.clear();
+
+    for (qint32 i = 0; i < boundary.count() - 1; ++i)
+    {
+        if (found)
+        {
+            if (not VFuzzyComparePoints(boundary.at(i), p))
+            {
+                sub2.append(boundary.at(i));
+            }
+
+            if (i + 1 == boundary.count() - 1)
+            {
+                sub2.append(boundary.at(i + 1));
+            }
+            continue;
+        }
+
+        if (!VGObject::IsPointOnLineSegment(p, static_cast<QPointF>(boundary.at(i)),
+                                            static_cast<QPointF>(boundary.at(i + 1))))
+        {
+            sub1.append(boundary.at(i));
+            continue;
+        }
+
+        if (not VFuzzyComparePoints(boundary.at(i), p))
+        {
+            sub1.append(boundary.at(i));
+        }
+
+        sub1.append(MakeTurnPoint<T>(p));
+        sub2.append(MakeTurnPoint<T>(p));
+
+        if (i + 1 == boundary.count() - 1 && not VFuzzyComparePoints(boundary.at(i + 1), p))
+        {
+            sub2.append(boundary.at(i + 1));
+        }
+
+        found = true;
+    }
+
+    if (not found)
+    {
+        sub1.clear();
+    }
+
+    return found;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+template <class T>
+inline auto VAbstractPiece::MirrorPath(const QVector<T> &points, const QLineF &mirrorLine) -> QVector<T>
+{
+    QVector<T> flipped;
+    flipped.reserve(points.size());
+
+    const QTransform matrix = VGObject::FlippingMatrix(mirrorLine);
+
+    for (const auto &p : points)
+    {
+        flipped.append(matrix.map(p));
+    }
+
+    return flipped;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+template <>
+inline auto VAbstractPiece::MirrorPath<VLayoutPoint>(const QVector<VLayoutPoint> &points, const QLineF &mirrorLine)
+    -> QVector<VLayoutPoint>
+{
+    QVector<VLayoutPoint> flipped;
+    flipped.reserve(points.size());
+
+    const QTransform matrix = VGObject::FlippingMatrix(mirrorLine);
+
+    for (const auto &p : points)
+    {
+        VLayoutPoint tmp = p;
+        QPointF const flippedPoint = matrix.map(static_cast<QPointF>(p));
+        tmp.setX(flippedPoint.x());
+        tmp.setY(flippedPoint.y());
+        flipped.append(tmp);
+    }
+
+    return flipped;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+template <class T>
+inline auto VAbstractPiece::FullPath(const QVector<T> &points, const QLineF &mirrorLine) -> QVector<T>
+{
+    // DumpVector(points, QStringLiteral("input.json.XXXXXX")); // Uncomment for dumping test data
+
+    if (mirrorLine.isNull())
+    {
+        return points;
+    }
+
+    if (points.size() <= 3)
+    {
+        return points;
+    }
+
+    // points = CorrectFullPathInput(points, mirrorLine);
+
+    bool closedPath = (points.constFirst() == points.constLast());
+    bool pathReady = false;
+    QVector<T> base;
+
+    if (VFuzzyComparePoints(points.constFirst(), mirrorLine.p2()))
+    {
+        if (closedPath)
+        {
+            if (VFuzzyComparePoints(points.at(points.size() - 2), mirrorLine.p1()))
+            {
+                base = points;
+                base.removeLast();
+                pathReady = true;
+            }
+        }
+        else
+        {
+            if (VFuzzyComparePoints(points.constLast(), mirrorLine.p1()))
+            {
+                base = points;
+                pathReady = true;
+            }
+        }
+    }
+
+    if (!pathReady)
+    {
+        QVector<T> sub1;
+        QVector<T> sub2;
+        if (!VAbstractPiece::SubdividePath(points, mirrorLine.p1(), sub1, sub2))
+        {
+            return points;
+        }
+
+        QVector<T> reversed = points;
+        std::reverse(reversed.begin(), reversed.end());
+
+        QVector<T> sub3;
+        QVector<T> sub4;
+        if (!VAbstractPiece::SubdividePath(reversed, mirrorLine.p2(), sub3, sub4))
+        {
+            return points;
+        }
+
+        base = sub3;
+        std::reverse(base.begin(), base.end());
+        base += sub1;
+        pathReady = true;
+    }
+
+    QVector<T> fullPath = MirrorPath(base, mirrorLine);
+
+    std::reverse(fullPath.begin(), fullPath.end());
+
+    fullPath += base;
+
+    // DumpVector(fullPath, QStringLiteral("output.json.XXXXXX")); // Uncomment for dumping test data
+
+    return fullPath;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+template <class T>
+inline auto VAbstractPiece::MapVector(QVector<T> points, const QTransform &matrix, bool mirror) -> QVector<T>
+{
+    std::transform(points.begin(), points.end(), points.begin(),
+                   [matrix](const T &point) { return MapPoint(point, matrix); });
+    if (mirror)
+    {
+        std::reverse(points.begin(), points.end());
+    }
+    return points;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+template <typename T>
+auto VAbstractPiece::MapPoint(T obj, const QTransform &matrix) ->
+    typename std::enable_if<!IsLayoutPoint<T>::value, T>::type
+{
+    return matrix.map(obj);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+template <typename T>
+auto VAbstractPiece::MapPoint(T obj, const QTransform &matrix) ->
+    typename std::enable_if<IsLayoutPoint<T>::value, T>::type
+{
+    auto p = matrix.map(obj);
+    obj.setX(p.x());
+    obj.setY(p.y());
+    return obj;
+}
+
 #endif // VABSTRACTPIECE_H

src/libs/vlayout/vabstractpiece_p.h

@@ -59,24 +59,33 @@ public:
 
     QString m_name{tr("Detail")}; // NOLINT (misc-non-private-member-variables-in-classes)
     /** @brief forbidFlipping forbid piece to be mirrored in a layout. */
-    bool m_forbidFlipping{false};       // NOLINT (misc-non-private-member-variables-in-classes)
-    bool m_forceFlipping{false};        // NOLINT (misc-non-private-member-variables-in-classes)
-    bool m_followGrainline{false};      // NOLINT (misc-non-private-member-variables-in-classes)
-    bool m_seamAllowance{false};        // NOLINT (misc-non-private-member-variables-in-classes)
-    bool m_seamAllowanceBuiltIn{false}; // NOLINT (misc-non-private-member-variables-in-classes)
-    bool m_hideMainPath{false};         // NOLINT (misc-non-private-member-variables-in-classes)
-    qreal m_width{0};                   // NOLINT (misc-non-private-member-variables-in-classes)
-    qreal m_mx{0};                      // NOLINT (misc-non-private-member-variables-in-classes)
-    qreal m_my{0};                      // NOLINT (misc-non-private-member-variables-in-classes)
-    uint m_priority{0};                 // NOLINT (misc-non-private-member-variables-in-classes)
-    QUuid m_uuid{QUuid::createUuid()};  // NOLINT (misc-non-private-member-variables-in-classes)
-    bool m_onDrawing{false};            // NOLINT (misc-non-private-member-variables-in-classes)
+    bool m_forbidFlipping{false};                            // NOLINT (misc-non-private-member-variables-in-classes)
+    bool m_forceFlipping{false};                             // NOLINT (misc-non-private-member-variables-in-classes)
+    bool m_followGrainline{false};                           // NOLINT (misc-non-private-member-variables-in-classes)
+    bool m_seamAllowance{false};                             // NOLINT (misc-non-private-member-variables-in-classes)
+    bool m_seamAllowanceBuiltIn{false};                      // NOLINT (misc-non-private-member-variables-in-classes)
+    bool m_hideMainPath{false};                              // NOLINT (misc-non-private-member-variables-in-classes)
+    qreal m_width{0};                                        // NOLINT (misc-non-private-member-variables-in-classes)
+    qreal m_mx{0};                                           // NOLINT (misc-non-private-member-variables-in-classes)
+    qreal m_my{0};                                           // NOLINT (misc-non-private-member-variables-in-classes)
+    uint m_priority{0};                                      // NOLINT (misc-non-private-member-variables-in-classes)
+    QUuid m_uuid{QUuid::createUuid()};                       // NOLINT (misc-non-private-member-variables-in-classes)
+    bool m_onDrawing{false};                                 // NOLINT (misc-non-private-member-variables-in-classes)
+    bool m_showFullPiece{true};                              // NOLINT (misc-non-private-member-variables-in-classes)
+    unsigned int m_foldLineSvgFontSize{defFoldLineFontSize}; // NOLINT (misc-non-private-member-variables-in-classes)
+    bool m_foldLineLabelFontItalic{false};                   // NOLINT (misc-non-private-member-variables-in-classes)
+    bool m_foldLineLabelFontBold{false};                     // NOLINT (misc-non-private-member-variables-in-classes)
+    QString m_foldLineLabel{};                               // NOLINT (misc-non-private-member-variables-in-classes)
+    int m_foldLineLabelAlignment{Qt::AlignHCenter};          // NOLINT (misc-non-private-member-variables-in-classes)
+
+    // NOLINTNEXTLINE(misc-non-private-member-variables-in-classes)
+    FoldLineType m_foldLineType{FoldLineType::TwoArrowsTextAbove};
 
 private:
     Q_DISABLE_ASSIGN_MOVE(VAbstractPieceData) // NOLINT
 
     static constexpr quint32 streamHeader = 0x05CDD73A; // CRC-32Q string "VAbstractPieceData"
-    static constexpr quint16 classVersion = 5;
+    static constexpr quint16 classVersion = 6;
 };
 
 QT_WARNING_POP
@@ -116,6 +125,15 @@ inline auto operator<<(QDataStream &dataStream, const VAbstractPieceData &piece)
     // Added in classVersion = 5
     dataStream << piece.m_followGrainline;
 
+    // Added in classVersion = 6
+    dataStream << piece.m_showFullPiece;
+    dataStream << piece.m_foldLineSvgFontSize;
+    dataStream << piece.m_foldLineType;
+    dataStream << piece.m_foldLineLabelFontItalic;
+    dataStream << piece.m_foldLineLabelFontBold;
+    dataStream << piece.m_foldLineLabel;
+    dataStream << piece.m_foldLineLabelAlignment;
+
     return dataStream;
 }
 
@@ -176,6 +194,17 @@ inline auto operator>>(QDataStream &dataStream, VAbstractPieceData &piece) -> QD
         dataStream >> piece.m_followGrainline;
     }
 
+    if (actualClassVersion >= 6)
+    {
+        dataStream >> piece.m_showFullPiece;
+        dataStream >> piece.m_foldLineSvgFontSize;
+        dataStream >> piece.m_foldLineType;
+        dataStream >> piece.m_foldLineLabelFontItalic;
+        dataStream >> piece.m_foldLineLabelFontBold;
+        dataStream >> piece.m_foldLineLabel;
+        dataStream >> piece.m_foldLineLabelAlignment;
+    }
+
     return dataStream;
 }
 

src/libs/vlayout/vboundary.cpp

@@ -30,10 +30,12 @@
 #include "../ifc/exception/vexception.h"
 #include "../vgeometry/vgobject.h"
 #include "../vmisc/vabstractapplication.h"
+#include "vabstractpiece.h"
 #include "vlayoutpiecepath.h"
 
 #include <QPoint>
 #include <QtDebug>
+#include <algorithm>
 
 #if QT_VERSION < QT_VERSION_CHECK(6, 4, 0)
 #include "../vmisc/compatibility.h"
@@ -84,211 +86,6 @@ auto PrepareSequenceItem(const QVector<VLayoutPoint> &path, bool drawMode, VBoun
     return itemData;
 }
 
-//---------------------------------------------------------------------------------------------------------------------
-auto PrepareTPassmarkShape(const VLayoutPassmark &passmark, bool drawMode) -> QVector<QVector<VLayoutPoint>>
-{
-    if (passmark.lines.isEmpty())
-    {
-        return {};
-    }
-
-    auto TurnPoint = [](QPointF point)
-    {
-        VLayoutPoint p(point);
-        p.SetTurnPoint(true);
-        return p;
-    };
-
-    QLineF line1 = passmark.lines.constFirst();
-    QVector<VLayoutPoint> shape1;
-    shape1.append(TurnPoint(line1.p1()));
-    shape1.append(TurnPoint(line1.p2()));
-
-    if (passmark.lines.size() <= 1)
-    {
-        return {shape1};
-    }
-
-    const QLineF &line2 = passmark.lines.constLast();
-
-    if (!drawMode)
-    {
-        shape1.append(TurnPoint(line2.p1()));
-        shape1.append(TurnPoint(line2.p2()));
-        shape1.append(TurnPoint(line1.p2()));
-
-        return {shape1};
-    }
-
-    QVector<VLayoutPoint> shape2;
-    shape2.append(TurnPoint(line2.p1()));
-    shape2.append(TurnPoint(line2.p2()));
-    return {shape1, shape2};
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-auto PrepareExternalVPassmarkShape(const VLayoutPassmark &passmark, bool drawMode) -> QVector<QVector<VLayoutPoint>>
-{
-    if (passmark.lines.isEmpty())
-    {
-        return {};
-    }
-
-    auto TurnPoint = [](QPointF point)
-    {
-        VLayoutPoint p(point);
-        p.SetTurnPoint(true);
-        return p;
-    };
-
-    QLineF line1 = passmark.lines.constFirst();
-    QVector<VLayoutPoint> shape;
-
-    if (!drawMode)
-    {
-        shape.append(TurnPoint(line1.p2()));
-    }
-
-    shape.append(TurnPoint(line1.p1()));
-    shape.append(TurnPoint(line1.p2()));
-
-    if (passmark.lines.size() <= 1)
-    {
-        return {shape};
-    }
-
-    const QLineF &line2 = passmark.lines.constLast();
-
-    shape.append(TurnPoint(line2.p1()));
-    shape.append(TurnPoint(line2.p2()));
-
-    if (!drawMode)
-    {
-        shape.append(TurnPoint(line2.p1()));
-    }
-
-    return {shape};
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-auto PrepareNoneBreakingPassmarkShape(const VLayoutPassmark &passmark) -> QVector<QVector<VLayoutPoint>>
-{
-    auto TurnPoint = [](QPointF point)
-    {
-        VLayoutPoint p(point);
-        p.SetTurnPoint(true);
-        return p;
-    };
-
-    QVector<VLayoutPoint> shape;
-    shape.reserve(passmark.lines.size() + 1);
-    for (int i = 0; i < passmark.lines.size(); ++i)
-    {
-        const QLineF &line = passmark.lines.at(i);
-        shape.append(TurnPoint(line.p1()));
-
-        if (passmark.lines.size() - 1 == i)
-        {
-            shape.append(TurnPoint(line.p2()));
-        }
-    }
-
-    return {shape};
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-auto PrepareUPassmarkShape(const VLayoutPassmark &passmark) -> QVector<QVector<VLayoutPoint>>
-{
-    auto LayoutPoint = [](QPointF point, bool turnPoint, bool curvePoint)
-    {
-        VLayoutPoint p(point);
-        p.SetTurnPoint(turnPoint);
-        p.SetCurvePoint(curvePoint);
-        return p;
-    };
-
-    qreal radius = QLineF(passmark.baseLine.p1(), passmark.lines.constFirst().p1()).length();
-
-    if (passmark.baseLine.length() - radius > accuracyPointOnLine)
-    {
-        QVector<QLineF> lines = passmark.lines;
-        if (lines.size() < 3)
-        {
-            return {};
-        }
-
-        QLineF line1 = lines.takeFirst();
-
-        QVector<VLayoutPoint> shape;
-        shape.reserve(4 + passmark.lines.size() + 1);
-
-        shape.append(LayoutPoint(line1.p1(), true, false));
-        shape.append(LayoutPoint(line1.p2(), true, true));
-
-        QLineF line2 = lines.takeLast();
-
-        for (int i = 0; i < passmark.lines.size(); ++i)
-        {
-            const QLineF &line = passmark.lines.at(i);
-            shape.append(LayoutPoint(line.p1(), false, true));
-
-            if (passmark.lines.size() - 1 == i)
-            {
-                shape.append(LayoutPoint(line.p2(), false, true));
-            }
-        }
-
-        shape.append(LayoutPoint(line2.p1(), true, true));
-        shape.append(LayoutPoint(line2.p2(), true, false));
-
-        return {shape};
-    }
-
-    QVector<VLayoutPoint> shape;
-    shape.reserve(passmark.lines.size() + 1);
-    for (int i = 0; i < passmark.lines.size(); ++i)
-    {
-        const QLineF &line = passmark.lines.at(i);
-        shape.append(LayoutPoint(line.p1(), false, true));
-
-        if (passmark.lines.size() - 1 == i)
-        {
-            shape.append(LayoutPoint(line.p2(), false, true));
-        }
-    }
-
-    if (!shape.isEmpty())
-    {
-        shape.first().SetTurnPoint(true);
-        shape.last().SetTurnPoint(true);
-    }
-
-    return {shape};
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-auto PreparePassmarkShape(const VLayoutPassmark &passmark, bool drawMode) -> QVector<QVector<VLayoutPoint>>
-{
-    switch (passmark.type)
-    {
-        case PassmarkLineType::OneLine:
-        case PassmarkLineType::InternalVMark:
-        case PassmarkLineType::BoxMark:
-        case PassmarkLineType::CheckMark:
-            return PrepareNoneBreakingPassmarkShape(passmark);
-        case PassmarkLineType::ExternalVMark:
-            return PrepareExternalVPassmarkShape(passmark, drawMode);
-        case PassmarkLineType::TMark:
-            return PrepareTPassmarkShape(passmark, drawMode);
-        case PassmarkLineType::UMark:
-            return PrepareUPassmarkShape(passmark);
-        default:
-            break;
-    }
-
-    return {};
-}
-
 //---------------------------------------------------------------------------------------------------------------------
 void ConvertTwoLinesPassmark(const VLayoutPassmark &passmark, QList<VBoundarySequenceItemData> &notchSequence)
 {
@@ -371,170 +168,6 @@ void ConvertThreeLinesPassmark(const VLayoutPassmark &passmark, QList<VBoundaryS
         FillSequance(itemData, notchSequence);
     }
 }
-
-//---------------------------------------------------------------------------------------------------------------------
-auto SubdividePath(const QVector<VLayoutPoint> &boundary, const QPointF &p, QVector<VLayoutPoint> &sub1,
-                   QVector<VLayoutPoint> &sub2) -> bool
-{
-    if (boundary.size() < 2)
-    {
-        return false;
-    }
-
-    bool found = false;
-    sub1.clear();
-    sub2.clear();
-
-    auto BreakPoint = [p]()
-    {
-        VLayoutPoint breakPoint(p);
-        breakPoint.SetTurnPoint(true);
-        return breakPoint;
-    };
-
-    for (qint32 i = 0; i < boundary.count() - 1; ++i)
-    {
-        if (found)
-        {
-            sub2.append(boundary.at(i));
-
-            if (i + 1 == boundary.count() - 1)
-            {
-                sub2.append(boundary.at(i + 1));
-            }
-            continue;
-        }
-
-        if (!VGObject::IsPointOnLineSegment(p, static_cast<QPointF>(boundary.at(i)),
-                                            static_cast<QPointF>(boundary.at(i + 1))))
-        {
-            sub1.append(boundary.at(i));
-            continue;
-        }
-
-        if (not VFuzzyComparePoints(boundary.at(i), p))
-        {
-            sub1.append(boundary.at(i));
-            sub1.append(BreakPoint());
-        }
-        else
-        {
-            if (not sub1.isEmpty())
-            {
-                sub1.append(BreakPoint());
-            }
-        }
-
-        if (not VFuzzyComparePoints(boundary.at(i + 1), p))
-        {
-            sub2.append(BreakPoint());
-
-            if (i + 1 == boundary.count() - 1)
-            {
-                sub2.append(boundary.at(i + 1));
-            }
-        }
-
-        found = true;
-    }
-
-    if (not found)
-    {
-        sub1.clear();
-    }
-
-    return found;
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-auto InsertDisconnect(QList<VBoundarySequenceItemData> &sequence, int i, const VBoundarySequenceItemData &item,
-                      bool drawMode) -> bool
-{
-    auto passmark = item.item.value<VLayoutPassmark>();
-    bool inserted = false;
-
-    const auto boundary = sequence.at(i).item.value<VLayoutPiecePath>().Points();
-
-    QVector<VLayoutPoint> sub1;
-    QVector<VLayoutPoint> sub2;
-    if (!SubdividePath(boundary, passmark.baseLine.p1(), sub1, sub2))
-    {
-        return false;
-    }
-
-    sequence.removeAt(i);
-
-    if (not sub2.isEmpty())
-    {
-        sequence.insert(i, PrepareSequenceItem(sub2, drawMode, VBoundarySequenceItem::Boundary));
-    }
-
-    QVector<QVector<VLayoutPoint>> shape = PreparePassmarkShape(passmark, drawMode);
-    for (auto &subShape : shape)
-    {
-        sequence.insert(i, PrepareSequenceItem(subShape, drawMode, VBoundarySequenceItem::PassmarkShape));
-    }
-
-    if (not sub1.isEmpty())
-    {
-        sequence.insert(i, PrepareSequenceItem(sub1, drawMode, VBoundarySequenceItem::Boundary));
-    }
-
-    inserted = true;
-
-    return inserted;
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-auto InsertCutOut(QList<VBoundarySequenceItemData> &sequence, int i, const VBoundarySequenceItemData &item,
-                  bool drawMode) -> bool
-{
-    auto passmark = item.item.value<VLayoutPassmark>();
-
-    QVector<QVector<VLayoutPoint>> shape = PreparePassmarkShape(passmark, drawMode);
-    if (shape.isEmpty())
-    {
-        return false;
-    }
-
-    const QVector<VLayoutPoint> &subShape = shape.constFirst();
-    if (subShape.size() < 2)
-    {
-        return false;
-    }
-
-    const auto boundary = sequence.at(i).item.value<VLayoutPiecePath>().Points();
-
-    QVector<VLayoutPoint> startSub1;
-    QVector<VLayoutPoint> startSub2;
-    if (!SubdividePath(boundary, subShape.constFirst(), startSub1, startSub2))
-    {
-        return false;
-    }
-
-    QVector<VLayoutPoint> endSub1;
-    QVector<VLayoutPoint> endSub2;
-    if (!SubdividePath(boundary, subShape.constLast(), endSub1, endSub2))
-    {
-        return false;
-    }
-
-    sequence.removeAt(i);
-
-    if (not endSub2.isEmpty())
-    {
-        sequence.insert(i, PrepareSequenceItem(endSub2, drawMode, VBoundarySequenceItem::Boundary));
-    }
-
-    sequence.insert(i, PrepareSequenceItem(subShape, drawMode, VBoundarySequenceItem::PassmarkShape));
-
-    if (not startSub1.isEmpty())
-    {
-        sequence.insert(i, PrepareSequenceItem(startSub1, drawMode, VBoundarySequenceItem::Boundary));
-    }
-
-    return true;
-}
 } // namespace
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -585,6 +218,16 @@ auto VBoundary::Combine(const QVector<VLayoutPassmark> &passmarks, bool drawMode
         if (item.type == VBoundarySequenceItem::Passmark)
         {
             InsertPassmark(item, sequence, drawMode);
+
+            if (!m_mirrorLine.isNull())
+            {
+                auto passmark = item.item.value<VLayoutPassmark>();
+                if (!VGObject::IsPointOnLineviaPDP(passmark.baseLine.p1(), m_mirrorLine.p1(), m_mirrorLine.p2()))
+                {
+                    item.mirror = true;
+                    InsertPassmark(item, sequence, drawMode);
+                }
+            }
         }
     }
 
@@ -680,3 +323,369 @@ void VBoundary::InsertPassmark(const VBoundarySequenceItemData &item, QList<VBou
             : qWarning() << VAbstractApplication::warningMessageSignature + errorMsg;
     }
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VBoundary::InsertDisconnect(QList<VBoundarySequenceItemData> &sequence, int i,
+                                 const VBoundarySequenceItemData &item, bool drawMode) const -> bool
+{
+    auto passmark = item.item.value<VLayoutPassmark>();
+    bool inserted = false;
+
+    const auto boundary = sequence.at(i).item.value<VLayoutPiecePath>().Points();
+
+    QPointF connectionPoint = passmark.baseLine.p1();
+    if (item.mirror && !m_mirrorLine.isNull())
+    {
+        const QTransform matrix = VGObject::FlippingMatrix(m_mirrorLine);
+        connectionPoint = matrix.map(connectionPoint);
+    }
+
+    QVector<VLayoutPoint> sub1;
+    QVector<VLayoutPoint> sub2;
+    if (!VAbstractPiece::SubdividePath(boundary, connectionPoint, sub1, sub2))
+    {
+        return false;
+    }
+
+    sequence.removeAt(i);
+
+    if (not sub2.isEmpty())
+    {
+        sequence.insert(i, PrepareSequenceItem(sub2, drawMode, VBoundarySequenceItem::Boundary));
+    }
+
+    QVector<QVector<VLayoutPoint>> shape = PreparePassmarkShape(passmark, drawMode, item.mirror);
+    for (auto &subShape : shape)
+    {
+        sequence.insert(i, PrepareSequenceItem(subShape, drawMode, VBoundarySequenceItem::PassmarkShape));
+    }
+
+    if (not sub1.isEmpty())
+    {
+        sequence.insert(i, PrepareSequenceItem(sub1, drawMode, VBoundarySequenceItem::Boundary));
+    }
+
+    inserted = true;
+
+    return inserted;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VBoundary::InsertCutOut(QList<VBoundarySequenceItemData> &sequence, int i, const VBoundarySequenceItemData &item,
+                             bool drawMode) const -> bool
+{
+    auto passmark = item.item.value<VLayoutPassmark>();
+
+    QVector<QVector<VLayoutPoint>> shape = PreparePassmarkShape(passmark, drawMode, item.mirror);
+    if (shape.isEmpty())
+    {
+        return false;
+    }
+
+    const QVector<VLayoutPoint> &subShape = shape.constFirst();
+    if (subShape.size() < 2)
+    {
+        return false;
+    }
+
+    const auto boundary = sequence.at(i).item.value<VLayoutPiecePath>().Points();
+
+    QVector<VLayoutPoint> startSub1;
+    QVector<VLayoutPoint> startSub2;
+    if (!VAbstractPiece::SubdividePath(boundary, subShape.constFirst(), startSub1, startSub2))
+    {
+        return false;
+    }
+
+    QVector<VLayoutPoint> endSub1;
+    QVector<VLayoutPoint> endSub2;
+    if (!VAbstractPiece::SubdividePath(boundary, subShape.constLast(), endSub1, endSub2))
+    {
+        return false;
+    }
+
+    sequence.removeAt(i);
+
+    if (not endSub2.isEmpty())
+    {
+        sequence.insert(i, PrepareSequenceItem(endSub2, drawMode, VBoundarySequenceItem::Boundary));
+    }
+
+    sequence.insert(i, PrepareSequenceItem(subShape, drawMode, VBoundarySequenceItem::PassmarkShape));
+
+    if (not startSub1.isEmpty())
+    {
+        sequence.insert(i, PrepareSequenceItem(startSub1, drawMode, VBoundarySequenceItem::Boundary));
+    }
+
+    return true;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VBoundary::PreparePassmarkShape(const VLayoutPassmark &passmark, bool drawMode, bool mirrorNotch) const
+    -> QVector<QVector<VLayoutPoint>>
+{
+    switch (passmark.type)
+    {
+        case PassmarkLineType::OneLine:
+        case PassmarkLineType::InternalVMark:
+        case PassmarkLineType::BoxMark:
+        case PassmarkLineType::CheckMark:
+            return PrepareNoneBreakingPassmarkShape(passmark, mirrorNotch);
+        case PassmarkLineType::ExternalVMark:
+            return PrepareExternalVPassmarkShape(passmark, drawMode, mirrorNotch);
+        case PassmarkLineType::TMark:
+            return PrepareTPassmarkShape(passmark, drawMode, mirrorNotch);
+        case PassmarkLineType::UMark:
+            return PrepareUPassmarkShape(passmark, mirrorNotch);
+        default:
+            break;
+    }
+
+    return {};
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VBoundary::PrepareNoneBreakingPassmarkShape(const VLayoutPassmark &passmark, bool mirrorNotch) const
+    -> QVector<QVector<VLayoutPoint>>
+{
+    auto TurnPoint = [](QPointF point)
+    {
+        VLayoutPoint p(point);
+        p.SetTurnPoint(true);
+        return p;
+    };
+
+    QVector<QLineF> lines = passmark.lines;
+    if (mirrorNotch && !m_mirrorLine.isNull())
+    {
+        const QTransform matrix = VGObject::FlippingMatrix(m_mirrorLine);
+        lines = VAbstractPiece::MapVector(lines, matrix);
+    }
+
+    QVector<VLayoutPoint> shape;
+    shape.reserve(lines.size() + 1);
+    for (int i = 0; i < lines.size(); ++i)
+    {
+        const QLineF &line = lines.at(i);
+        shape.append(TurnPoint(line.p1()));
+
+        if (lines.size() - 1 == i)
+        {
+            shape.append(TurnPoint(line.p2()));
+        }
+    }
+
+    if (mirrorNotch && !m_mirrorLine.isNull() &&
+        (passmark.type == PassmarkLineType::InternalVMark || passmark.type == PassmarkLineType::BoxMark ||
+         passmark.type == PassmarkLineType::CheckMark))
+    {
+        std::reverse(shape.begin(), shape.end());
+    }
+
+    return {shape};
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VBoundary::PrepareExternalVPassmarkShape(const VLayoutPassmark &passmark, bool drawMode, bool mirrorNotch) const
+    -> QVector<QVector<VLayoutPoint>>
+{
+    if (passmark.lines.isEmpty())
+    {
+        return {};
+    }
+
+    auto TurnPoint = [](QPointF point)
+    {
+        VLayoutPoint p(point);
+        p.SetTurnPoint(true);
+        return p;
+    };
+
+    QVector<QLineF> lines = passmark.lines;
+    if (mirrorNotch && !m_mirrorLine.isNull())
+    {
+        const QTransform matrix = VGObject::FlippingMatrix(m_mirrorLine);
+        lines = VAbstractPiece::MapVector(lines, matrix);
+    }
+
+    QLineF line1 = lines.constFirst();
+    QVector<VLayoutPoint> shape;
+
+    if (!drawMode)
+    {
+        shape.append(TurnPoint(line1.p2()));
+    }
+
+    shape.append(TurnPoint(line1.p1()));
+    shape.append(TurnPoint(line1.p2()));
+
+    if (lines.size() <= 1)
+    {
+        return {shape};
+    }
+
+    const QLineF &line2 = lines.constLast();
+
+    shape.append(TurnPoint(line2.p1()));
+    shape.append(TurnPoint(line2.p2()));
+
+    if (!drawMode)
+    {
+        shape.append(TurnPoint(line2.p1()));
+
+        if (mirrorNotch && !m_mirrorLine.isNull())
+        {
+            std::reverse(shape.begin(), shape.end());
+        }
+    }
+
+    return {shape};
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VBoundary::PrepareTPassmarkShape(const VLayoutPassmark &passmark, bool drawMode, bool mirrorNotch) const
+    -> QVector<QVector<VLayoutPoint>>
+{
+    if (passmark.lines.isEmpty())
+    {
+        return {};
+    }
+
+    auto TurnPoint = [](QPointF point)
+    {
+        VLayoutPoint p(point);
+        p.SetTurnPoint(true);
+        return p;
+    };
+
+    QVector<QLineF> lines = passmark.lines;
+    if (mirrorNotch && !m_mirrorLine.isNull())
+    {
+        const QTransform matrix = VGObject::FlippingMatrix(m_mirrorLine);
+        lines = VAbstractPiece::MapVector(lines, matrix);
+    }
+
+    QLineF line1 = lines.constFirst();
+    QVector<VLayoutPoint> shape1;
+    shape1.append(TurnPoint(line1.p1()));
+    shape1.append(TurnPoint(line1.p2()));
+
+    if (lines.size() <= 1)
+    {
+        return {shape1};
+    }
+
+    const QLineF &line2 = lines.constLast();
+
+    if (!drawMode)
+    {
+        shape1.append(TurnPoint(line2.p1()));
+        shape1.append(TurnPoint(line2.p2()));
+        shape1.append(TurnPoint(line1.p2()));
+
+        if (mirrorNotch && !m_mirrorLine.isNull())
+        {
+            std::reverse(shape1.begin(), shape1.end());
+        }
+
+        return {shape1};
+    }
+
+    QVector<VLayoutPoint> shape2;
+    shape2.append(TurnPoint(line2.p1()));
+    shape2.append(TurnPoint(line2.p2()));
+    return {shape1, shape2};
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VBoundary::PrepareUPassmarkShape(const VLayoutPassmark &passmark, bool mirrorNotch) const
+    -> QVector<QVector<VLayoutPoint>>
+{
+    auto LayoutPoint = [](QPointF point, bool turnPoint, bool curvePoint)
+    {
+        VLayoutPoint p(point);
+        p.SetTurnPoint(turnPoint);
+        p.SetCurvePoint(curvePoint);
+        return p;
+    };
+
+    if (passmark.lines.isEmpty())
+    {
+        return {};
+    }
+
+    qreal radius = QLineF(passmark.baseLine.p1(), passmark.lines.constFirst().p1()).length();
+
+    QVector<QLineF> lines = passmark.lines;
+    if (mirrorNotch && !m_mirrorLine.isNull())
+    {
+        const QTransform matrix = VGObject::FlippingMatrix(m_mirrorLine);
+        lines = VAbstractPiece::MapVector(lines, matrix);
+    }
+
+    if (passmark.baseLine.length() - radius > accuracyPointOnLine)
+    {
+        if (lines.size() < 3)
+        {
+            return {};
+        }
+
+        QLineF line1 = lines.takeFirst();
+
+        QVector<VLayoutPoint> shape;
+        shape.reserve(4 + passmark.lines.size() + 1);
+
+        shape.append(LayoutPoint(line1.p1(), true, false));
+        shape.append(LayoutPoint(line1.p2(), true, true));
+
+        QLineF line2 = lines.takeLast();
+
+        for (int i = 0; i < lines.size(); ++i)
+        {
+            const QLineF &line = lines.at(i);
+            shape.append(LayoutPoint(line.p1(), false, true));
+
+            if (lines.size() - 1 == i)
+            {
+                shape.append(LayoutPoint(line.p2(), false, true));
+            }
+        }
+
+        shape.append(LayoutPoint(line2.p1(), true, true));
+        shape.append(LayoutPoint(line2.p2(), true, false));
+
+        if (mirrorNotch && !m_mirrorLine.isNull())
+        {
+            std::reverse(shape.begin(), shape.end());
+        }
+
+        return {shape};
+    }
+
+    QVector<VLayoutPoint> shape;
+    shape.reserve(lines.size() + 1);
+    for (int i = 0; i < lines.size(); ++i)
+    {
+        const QLineF &line = lines.at(i);
+        shape.append(LayoutPoint(line.p1(), false, true));
+
+        if (lines.size() - 1 == i)
+        {
+            shape.append(LayoutPoint(line.p2(), false, true));
+        }
+    }
+
+    if (!shape.isEmpty())
+    {
+        shape.first().SetTurnPoint(true);
+        shape.last().SetTurnPoint(true);
+    }
+
+    if (mirrorNotch && !m_mirrorLine.isNull())
+    {
+        std::reverse(shape.begin(), shape.end());
+    }
+
+    return {shape};
+}

src/libs/vlayout/vboundary.h

@@ -50,6 +50,7 @@ struct VBoundarySequenceItemData
     int number{0};
     VBoundarySequenceItem type{VBoundarySequenceItem::Unknown};
     QVariant item{};
+    bool mirror{false};
 };
 
 class VBoundary
@@ -63,17 +64,35 @@ public:
         -> QList<VBoundarySequenceItemData>;
 
     void SetPieceName(const QString &newPieceName);
+    void SetMirrorLine(const QLineF &newMirrorLine);
 
 private:
     QVector<VLayoutPoint> m_boundary;
     bool m_seamAllowance;
     bool m_builtInSeamAllowance;
     QString m_pieceName{};
+    QLineF m_mirrorLine{};
 
     auto SkipPassmark(const VLayoutPassmark &passmark, bool layoutAllowance) const -> bool;
 
     void InsertPassmark(const VBoundarySequenceItemData &item, QList<VBoundarySequenceItemData> &sequence,
                         bool drawMode) const;
+
+    auto InsertDisconnect(QList<VBoundarySequenceItemData> &sequence, int i, const VBoundarySequenceItemData &item,
+                          bool drawMode) const -> bool;
+    auto InsertCutOut(QList<VBoundarySequenceItemData> &sequence, int i, const VBoundarySequenceItemData &item,
+                      bool drawMode) const -> bool;
+
+    auto PreparePassmarkShape(const VLayoutPassmark &passmark, bool drawMode, bool mirrorNotch) const
+        -> QVector<QVector<VLayoutPoint>>;
+    auto PrepareNoneBreakingPassmarkShape(const VLayoutPassmark &passmark, bool mirrorNotch) const
+        -> QVector<QVector<VLayoutPoint>>;
+    auto PrepareExternalVPassmarkShape(const VLayoutPassmark &passmark, bool drawMode, bool mirrorNotch) const
+        -> QVector<QVector<VLayoutPoint>>;
+    auto PrepareTPassmarkShape(const VLayoutPassmark &passmark, bool drawMode, bool mirrorNotch) const
+        -> QVector<QVector<VLayoutPoint>>;
+    auto PrepareUPassmarkShape(const VLayoutPassmark &passmark, bool mirrorNotch) const
+        -> QVector<QVector<VLayoutPoint>>;
 };
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -82,4 +101,10 @@ inline void VBoundary::SetPieceName(const QString &newPieceName)
     m_pieceName = newPieceName;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+inline void VBoundary::SetMirrorLine(const QLineF &newMirrorLine)
+{
+    m_mirrorLine = newMirrorLine;
+}
+
 #endif // VBOUNDARY_H

src/libs/vlayout/vfoldline.h

@@ -0,0 +1,156 @@
+/************************************************************************
+ **
+ **  @file   vfoldline.h
+ **  @author Roman Telezhynskyi <dismine(at)gmail.com>
+ **  @date   20 12, 2023
+ **
+ **  @brief
+ **  @copyright
+ **  This source code is part of the Valentina project, a pattern making
+ **  program, whose allow create and modeling patterns of clothing.
+ **  Copyright (C) 2023 Valentina project
+ **  <https://gitlab.com/smart-pattern/valentina> All Rights Reserved.
+ **
+ **  Valentina is free software: you can redistribute it and/or modify
+ **  it under the terms of the GNU General Public License as published by
+ **  the Free Software Foundation, either version 3 of the License, or
+ **  (at your option) any later version.
+ **
+ **  Valentina is distributed in the hope that it will be useful,
+ **  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ **  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ **  GNU General Public License for more details.
+ **
+ **  You should have received a copy of the GNU General Public License
+ **  along with Valentina.  If not, see <http://www.gnu.org/licenses/>.
+ **
+ *************************************************************************/
+#ifndef VFOLDLINE_H
+#define VFOLDLINE_H
+
+#include <QCoreApplication>
+#include <QFont>
+#include <QLineF>
+#include <QTransform>
+
+#include "../vmisc/def.h"
+
+class QPainterPath;
+class VSvgFontEngine;
+class QGraphicsSimpleTextItem;
+
+struct TextPosData
+{
+    qreal labelWidth{0};
+    qreal labelHeight{0};
+    QLineF base{};
+};
+
+struct ArrowsTextPosData : public TextPosData
+{
+    qreal arrowsWidth{0};
+    qreal arrowsHeight{0};
+};
+
+struct ThreeDotsPosData
+{
+    qreal width{0};
+    qreal defHeight{0};
+    qreal height{0};
+    qreal radius{0};
+    qreal margin{0};
+};
+
+struct FoldLabelPosData
+{
+    QFont font{};
+    QPointF pos{};
+    QString label{};
+    qreal angle{0};
+};
+
+class VFoldLine
+{
+    Q_DECLARE_TR_FUNCTIONS(VFoldLine) // NOLINT
+
+public:
+    VFoldLine(const QLineF &line, FoldLineType type);
+
+    void SetHeight(qreal newHeight);
+    void SetWidth(qreal newWidth);
+    void SetCenterPosition(qreal newCenter);
+    void SetLabel(const QString &newLabel);
+    void SetLabelSvgFontSize(unsigned int newFontSize);
+    void SetLabelFontItalic(bool newItalic);
+    void SetLabelFontBold(bool newBold);
+    void SetLabelAlignment(int alignment);
+    void SetMatrix(const QTransform &matrix);
+    void SetVerticallyFlipped(bool value);
+    void SetHorizontallyFlipped(bool value);
+    void SetXScale(qreal xs);
+    void SetYScale(qreal ys);
+    void SetOutlineFont(const QFont &font);
+    void SetSvgFont(const QString &font);
+
+    auto FoldLinePath() const -> QVector<QPainterPath>;
+    auto FoldLineMarkPoints() const -> QVector<QVector<QPointF>>;
+
+    auto LabelPosition(bool &ok) const -> FoldLabelPosData;
+
+    void UpdateFoldLineLabel(QGraphicsSimpleTextItem *item) const;
+
+    auto ThreeDotsRadius() const -> qreal;
+
+    static auto DefaultFoldLineLabel() -> QString;
+
+private:
+    QLineF m_foldLine{};
+    FoldLineType m_type{FoldLineType::TwoArrowsTextAbove};
+    qreal m_height{0};
+    qreal m_width{0};
+    qreal m_center{0.5};
+    QString m_label{};
+    unsigned int m_svgFontSize{defFoldLineFontSize};
+    bool m_italic{false};
+    bool m_bold{false};
+    int m_alignment{Qt::AlignHCenter};
+    QTransform m_matrix{};
+    bool m_verticallyFlipped{false};
+    bool m_horizontallyFlipped{false};
+    qreal m_xScale{1.0};
+    qreal m_yScale{1.0};
+    QFont m_outlineFont{};
+    QString m_svgFont{};
+
+    auto FoldLineTwoArrowsPath() const -> QVector<QPainterPath>;
+    auto FoldLineTwoArrowsTextAbovePath() const -> QVector<QPainterPath>;
+    auto FoldLineTwoArrowsTextUnderPath() const -> QVector<QPainterPath>;
+    auto FoldLineTextPath() const -> QVector<QPainterPath>;
+    auto FoldLineThreeDotsPath() const -> QVector<QPainterPath>;
+    auto FoldLineThreeXPath() const -> QVector<QPainterPath>;
+
+    auto TrueCenter(const QLineF &base, qreal width) const -> QPointF;
+
+    auto FoldLineLabel() const -> QString;
+
+    auto OutlineFontLabel(const QLineF &base, qreal width, qreal textHeight) const -> QPainterPath;
+    auto SVGFontLabel(const QLineF &base, qreal width, qreal textHeight) const -> QPainterPath;
+
+    auto LabelTextHeight() const -> qreal;
+    auto LabelSVGFontEngine(VSvgFontEngine &engine) const -> bool;
+    auto LabelOutlineFont() const -> QFont;
+
+    auto TwoArrowsPath(qreal width, qreal height) const -> QPainterPath;
+
+    auto TwoArrowsPoints(qreal width, qreal height) const -> QVector<QVector<QPointF>>;
+    auto ThreeDotsPoints() const -> QVector<QVector<QPointF>>;
+    auto ThreeXPoints() const -> QVector<QVector<QPointF>>;
+
+    auto TwoArrowsData() const -> ArrowsTextPosData;
+    auto TwoArrowsTextAboveData() const -> ArrowsTextPosData;
+    auto TwoArrowsTextUnderData() const -> ArrowsTextPosData;
+    auto TextData() const -> TextPosData;
+    auto ThreeDotsData() const -> ThreeDotsPosData;
+};
+
+#endif // VFOLDLINE_H

src/libs/vlayout/vgraphicsfillitem.cpp

@@ -66,3 +66,15 @@ void VGraphicsFillItem::paint(QPainter *painter, const QStyleOptionGraphicsItem
     painter->drawPath(path());
     painter->restore();
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+VGraphicsFoldLineItem::VGraphicsFoldLineItem(QGraphicsItem *parent)
+  : VGraphicsFillItem(parent)
+{
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+VGraphicsFoldLineItem::VGraphicsFoldLineItem(const QPainterPath &path, QGraphicsItem *parent)
+  : VGraphicsFillItem(path, parent)
+{
+}

src/libs/vlayout/vgraphicsfillitem.h

@@ -97,4 +97,22 @@ inline void VGraphicsFillItem::SetCustomPen(bool newCustomPen)
 {
     m_customPen = newCustomPen;
 }
+
+class VGraphicsFoldLineItem : public VGraphicsFillItem
+{
+public:
+    explicit VGraphicsFoldLineItem(QGraphicsItem *parent = nullptr);
+    explicit VGraphicsFoldLineItem(const QPainterPath &path, QGraphicsItem *parent = nullptr);
+    ~VGraphicsFoldLineItem() override = default;
+
+    auto type() const -> int override { return Type; }
+    enum
+    {
+        Type = UserType + static_cast<int>(Layout::FoldLineItem)
+    };
+
+private:
+    Q_DISABLE_COPY_MOVE(VGraphicsFoldLineItem) // NOLINT
+};
+
 #endif // VGRAPHICSFILLITEM_H

src/libs/vlayout/vlayout.pri

@@ -31,7 +31,8 @@ HEADERS += \
     $$PWD/vlayoutpiecepath_p.h \
     $$PWD/vbestsquare_p.h \
     $$PWD/vrawsapoint.h \
-    $$PWD/vboundary.h
+    $$PWD/vboundary.h \
+    $$PWD/vfoldline.h
 
 SOURCES += \
     $$PWD/vlayoutexporter.cpp \
@@ -52,6 +53,7 @@ SOURCES += \
     $$PWD/vlayoutpiece.cpp \
     $$PWD/vlayoutpiecepath.cpp \
     $$PWD/vrawsapoint.cpp \
-    $$PWD/vboundary.cpp
+    $$PWD/vboundary.cpp \
+    $$PWD/vfoldline.cpp
 
 *msvc*:SOURCES += $$PWD/stable.cpp

src/libs/vlayout/vlayout.qbs

@@ -57,7 +57,9 @@ VLib {
             "vlayoutpiecepath.cpp",
             "vrawsapoint.cpp",
             "vboundary.h",
-            "vboundary.cpp"
+            "vboundary.cpp",
+            "vfoldline.h",
+            "vfoldline.cpp"
         ];
 
         if (Qt.core.versionMajor >= 5 && Qt.core.versionMinor < 12) {

src/libs/vlayout/vlayoutpiece.cpp

@@ -52,11 +52,12 @@
 #include "../vgeometry/vlayoutplacelabel.h"
 #include "../vgeometry/vplacelabelitem.h"
 #include "../vgeometry/vpointf.h"
-#include "../vlayout/vabstractpiece.h"
 #include "../vmisc/compatibility.h"
+#include "../vmisc/def.h"
 #include "../vmisc/literals.h"
 #include "../vmisc/svgfont/vsvgfontdatabase.h"
 #include "../vmisc/svgfont/vsvgfontengine.h"
+#include "../vmisc/testpath.h"
 #include "../vmisc/vabstractvalapplication.h"
 #include "../vpatterndb/calculator.h"
 #include "../vpatterndb/floatItemData/vgrainlinedata.h"
@@ -64,10 +65,14 @@
 #include "../vpatterndb/floatItemData/vpiecelabeldata.h"
 #include "../vpatterndb/variables/vmeasurement.h"
 #include "../vpatterndb/vcontainer.h"
+#include "../vpatterndb/vformula.h"
 #include "../vpatterndb/vpassmark.h"
 #include "../vpatterndb/vpiecenode.h"
 #include "../vwidgets/vpiecegrainline.h"
+#include "vabstractpiece.h"
 #include "vboundary.h"
+#include "vcommonsettings.h"
+#include "vfoldline.h"
 #include "vgraphicsfillitem.h"
 #include "vlayoutpiece_p.h"
 #include "vtextmanager.h"
@@ -95,6 +100,7 @@ auto ConvertInternalPaths(const VPiece &piece, const VContainer *pattern) -> QVe
             VLayoutPiecePath convertedPath(path.PathPoints(pattern, cuttingPath));
             convertedPath.SetCutPath(path.IsCutPath());
             convertedPath.SetPenStyle(path.GetPenType());
+            convertedPath.SetNotMirrored(path.IsNotMirrored());
             paths.append(convertedPath);
         }
     }
@@ -468,6 +474,70 @@ auto PrepareGradationId(const QString &label, const VContainer *pattern) -> QStr
     const QMap<QString, QString> placeholders = PrepareGradationPlaceholders(pattern);
     return ReplacePlaceholders(placeholders, label);
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+void InitFoldLine(VLayoutPiece &det, const VPiece &piece, const VContainer *pattern)
+{
+    det.SetFoldLineType(piece.GetFoldLineType());
+
+    if (piece.GetFoldLineType() == FoldLineType::None)
+    {
+        return;
+    }
+
+    det.SetFoldLineSvgFontSize(piece.GetFoldLineSvgFontSize());
+    det.SetFoldLineLabelFontItalic(piece.IsFoldLineLabelFontItalic());
+    det.SetFoldLineLabelFontBold(piece.IsFoldLineLabelFontBold());
+    det.SetFoldLineLabel(piece.GetFoldLineLabel());
+    det.SetFoldLineLabelAlignment(piece.GetFoldLineLabelAlignment());
+
+    {
+        VCommonSettings *settings = VAbstractApplication::VApp()->Settings();
+        QFont font = settings->GetLabelFont();
+        font.setPointSize(static_cast<int>(piece.GetFoldLineSvgFontSize()));
+        det.SetFoldLineOutlineFont(font);
+        det.SetFoldLineSVGFontFamily(settings->GetLabelSVGFont());
+    }
+
+    if (piece.IsManualFoldHeight())
+    {
+        VFormula formula(piece.GetFormulaFoldHeight(), pattern);
+        formula.setCheckZero(false);
+        formula.setCheckLessThanZero(true);
+        formula.Eval();
+
+        if (!formula.error())
+        {
+            det.SetFoldLineHeight(ToPixel(formula.getDoubleValue(), *pattern->GetPatternUnit()));
+        }
+    }
+
+    if (piece.IsManualFoldWidth())
+    {
+        VFormula formula(piece.GetFormulaFoldWidth(), pattern);
+        formula.setCheckZero(false);
+        formula.setCheckLessThanZero(true);
+        formula.Eval();
+
+        if (!formula.error())
+        {
+            det.SetFoldLineWidth(ToPixel(formula.getDoubleValue(), *pattern->GetPatternUnit()));
+        }
+    }
+
+    if (piece.IsManualFoldCenter())
+    {
+        VFormula formula(piece.GetFormulaFoldCenter(), pattern);
+        formula.setCheckZero(false);
+        formula.setCheckLessThanZero(true);
+        formula.Eval();
+
+        if (!formula.error())
+        {
+            det.SetFoldLineCenterPosition(formula.getDoubleValue());
+        }
+    }
+}
 } // namespace
 
 // Friend functions
@@ -557,16 +627,26 @@ VLayoutPiece::~VLayoutPiece() = default;
 //---------------------------------------------------------------------------------------------------------------------
 auto VLayoutPiece::Create(const VPiece &piece, vidtype id, const VContainer *pattern) -> VLayoutPiece
 {
-    QFuture<QVector<VLayoutPoint>> futureSeamAllowance =
-        QtConcurrent::run([piece, pattern]() { return piece.SeamAllowancePoints(pattern); });
-    QFuture<bool> futureSeamAllowanceValid =
+    QFuture<QVector<VLayoutPoint>> const futureSeamAllowance = QtConcurrent::run(
+        [piece, pattern]()
+        {
+            if (!piece.SeamMirrorLine(pattern).isNull())
+            {
+                VPiece tmp = piece;
+                tmp.SetShowFullPiece(false);
+                return tmp.SeamAllowancePoints(pattern);
+            }
+            return piece.SeamAllowancePoints(pattern);
+        });
+    QFuture<bool> const futureSeamAllowanceValid =
         QtConcurrent::run([piece, pattern]() { return piece.IsSeamAllowanceValid(pattern); });
-    QFuture<QVector<VLayoutPoint>> futureMainPath =
+    QFuture<QVector<VLayoutPoint>> const futureMainPath =
         QtConcurrent::run([piece, pattern]() { return piece.MainPathPoints(pattern); });
-    QFuture<QVector<VLayoutPiecePath>> futureInternalPaths = QtConcurrent::run(ConvertInternalPaths, piece, pattern);
-    QFuture<QVector<VLayoutPassmark>> futurePassmarks =
+    QFuture<QVector<VLayoutPiecePath>> const futureInternalPaths =
+        QtConcurrent::run(ConvertInternalPaths, piece, pattern);
+    QFuture<QVector<VLayoutPassmark>> const futurePassmarks =
         QtConcurrent::run(VLayoutPiece::ConvertPassmarks, piece, pattern);
-    QFuture<QVector<VLayoutPlaceLabel>> futurePlaceLabels = QtConcurrent::run(ConvertPlaceLabels, piece, pattern);
+    QFuture<QVector<VLayoutPlaceLabel>> const futurePlaceLabels = QtConcurrent::run(ConvertPlaceLabels, piece, pattern);
 
     VLayoutPiece det;
 
@@ -582,6 +662,9 @@ auto VLayoutPiece::Create(const VPiece &piece, vidtype id, const VContainer *pat
     det.SetForceFlipping(piece.IsForceFlipping());
     det.SetFollowGrainline(piece.IsFollowGrainline());
     det.SetSewLineOnDrawing(piece.IsSewLineOnDrawing());
+    det.SetShowFullPiece(piece.IsShowFullPiece());
+    det.SetSeamMirrorLine(piece.SeamMirrorLine(pattern));
+    det.SetSeamAllowanceMirrorLine(piece.SeamAllowanceMirrorLine(pattern));
     det.SetId(id);
 
     if (not futureSeamAllowanceValid.result())
@@ -626,6 +709,8 @@ auto VLayoutPiece::Create(const VPiece &piece, vidtype id, const VContainer *pat
         det.SetGrainline(grainlineGeom, pattern);
     }
 
+    InitFoldLine(det, piece, pattern);
+
     return det;
 }
 
@@ -648,8 +733,7 @@ auto VLayoutPiece::Map<VLayoutPassmark>(QVector<VLayoutPassmark> passmarks) cons
 {
     for (auto &passmark : passmarks)
     {
-        passmark.lines = Map(passmark.lines);
-        passmark.baseLine = d->m_matrix.map(passmark.baseLine);
+        passmark = MapPassmark(passmark, d->m_matrix, d->m_verticallyFlipped || d->m_horizontallyFlipped);
     }
 
     return passmarks;
@@ -659,14 +743,7 @@ auto VLayoutPiece::Map<VLayoutPassmark>(QVector<VLayoutPassmark> passmarks) cons
 template <> auto VLayoutPiece::Map<VLayoutPoint>(QVector<VLayoutPoint> points) const -> QVector<VLayoutPoint>
 {
     std::transform(points.begin(), points.end(), points.begin(),
-                   [this](VLayoutPoint point)
-                   {
-                       auto p = static_cast<QPointF>(point); // NOLINT(cppcoreguidelines-slicing)
-                       p = d->m_matrix.map(p);
-                       point.rx() = p.x();
-                       point.ry() = p.y();
-                       return point;
-                   });
+                   [this](const VLayoutPoint &point) { return MapPoint(point, d->m_matrix); });
     if (d->m_verticallyFlipped || d->m_horizontallyFlipped)
     {
         std::reverse(points.begin(), points.end());
@@ -694,6 +771,30 @@ auto VLayoutPiece::GetMappedContourPoints() const -> QVector<VLayoutPoint>
     return Map(d->m_contour);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+auto VLayoutPiece::GetMappedFullContourPoints() const -> QVector<VLayoutPoint>
+{
+    return Map(GetFullContourPoints());
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VLayoutPiece::GetFullContourPoints() const -> QVector<VLayoutPoint>
+{
+    QVector<VLayoutPoint> points;
+    points.reserve(d->m_contour.size());
+    if (!d->m_seamMirrorLine.isNull() && IsShowFullPiece())
+    {
+        points = VAbstractPiece::FullPath(d->m_contour, d->m_seamMirrorLine);
+        points = CheckLoops(CorrectEquidistantPoints(points)); // A path can contains loops
+    }
+    else
+    {
+        points = d->m_contour;
+    }
+
+    return points;
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 auto VLayoutPiece::GetContourPoints() const -> QVector<VLayoutPoint>
 {
@@ -714,6 +815,30 @@ auto VLayoutPiece::GetMappedSeamAllowancePoints() const -> QVector<VLayoutPoint>
     return Map(d->m_seamAllowance);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+auto VLayoutPiece::GetMappedFullSeamAllowancePoints() const -> QVector<VLayoutPoint>
+{
+    return Map(GetFullSeamAllowancePoints());
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VLayoutPiece::GetFullSeamAllowancePoints() const -> QVector<VLayoutPoint>
+{
+    QVector<VLayoutPoint> points;
+    points.reserve(d->m_seamAllowance.size());
+    if (!d->m_seamAllowanceMirrorLine.isNull() && IsShowFullPiece())
+    {
+        points = VAbstractPiece::FullPath(d->m_seamAllowance, d->m_seamAllowanceMirrorLine);
+        points = CheckLoops(CorrectEquidistantPoints(points)); // A path can contains loops
+    }
+    else
+    {
+        points = d->m_seamAllowance;
+    }
+
+    return points;
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 auto VLayoutPiece::GetSeamAllowancePoints() const -> QVector<VLayoutPoint>
 {
@@ -753,17 +878,6 @@ auto VLayoutPiece::GetLayoutAllowancePoints() const -> QVector<QPointF>
     return d->m_layoutAllowance;
 }
 
-//---------------------------------------------------------------------------------------------------------------------
-auto VLayoutPiece::GetPieceTextPosition() const -> QPointF
-{
-    if (d->m_detailLabel.count() > 2)
-    {
-        return d->m_matrix.map(d->m_detailLabel.constFirst());
-    }
-
-    return {};
-}
-
 //---------------------------------------------------------------------------------------------------------------------
 auto VLayoutPiece::GetPieceText() const -> QStringList
 {
@@ -837,17 +951,6 @@ void VLayoutPiece::SetPieceLabelData(const VTextManager &data)
     d->m_tmDetail = data;
 }
 
-//---------------------------------------------------------------------------------------------------------------------
-auto VLayoutPiece::GetPatternTextPosition() const -> QPointF
-{
-    if (d->m_patternInfo.count() > 2)
-    {
-        return d->m_matrix.map(d->m_patternInfo.constFirst());
-    }
-
-    return {};
-}
-
 //---------------------------------------------------------------------------------------------------------------------
 auto VLayoutPiece::GetPatternText() const -> QStringList
 {
@@ -919,6 +1022,102 @@ void VLayoutPiece::SetPatternLabelData(const VTextManager &data)
     d->m_tmPattern = data;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+auto VLayoutPiece::GetMappedSeamMirrorLine() const -> QLineF
+{
+    return d->m_matrix.map(d->m_seamMirrorLine);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VLayoutPiece::GetSeamMirrorLine() const -> QLineF
+{
+    return d->m_seamMirrorLine;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VLayoutPiece::SetSeamMirrorLine(const QLineF &line)
+{
+    d->m_seamMirrorLine = line;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VLayoutPiece::GetMappedSeamAllowanceMirrorLine() const -> QLineF
+{
+    return d->m_matrix.map(d->m_seamAllowanceMirrorLine);
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VLayoutPiece::GetSeamAllowanceMirrorLine() const -> QLineF
+{
+    return d->m_seamAllowanceMirrorLine;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VLayoutPiece::SetSeamAllowanceMirrorLine(const QLineF &line)
+{
+    d->m_seamAllowanceMirrorLine = line;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VLayoutPiece::GetFoldLineHeight() const -> qreal
+{
+    return d->m_foldLineHeight;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VLayoutPiece::SetFoldLineHeight(qreal height)
+{
+    d->m_foldLineHeight = height;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VLayoutPiece::GetFoldLineWidth() const -> qreal
+{
+    return d->m_foldLineWidth;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VLayoutPiece::SetFoldLineWidth(qreal width)
+{
+    d->m_foldLineWidth = width;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VLayoutPiece::GetFoldLineCenterPosition() const -> qreal
+{
+    return d->m_foldLineCenter;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VLayoutPiece::SetFoldLineCenterPosition(qreal center)
+{
+    d->m_foldLineCenter = center;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VLayoutPiece::GetFoldLineOutlineFont() const -> QFont
+{
+    return d->m_foldLineOutlineFont;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VLayoutPiece::SetFoldLineOutlineFont(const QFont &font)
+{
+    d->m_foldLineOutlineFont = font;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VLayoutPiece::GetFoldLineSVGFontFamily() const -> QString
+{
+    return d->m_foldLineSvgFontFamily;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VLayoutPiece::SetFoldLineSVGFontFamily(const QString &font)
+{
+    d->m_foldLineSvgFontFamily = font;
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 void VLayoutPiece::SetGrainline(const VPieceGrainline &grainline)
 {
@@ -1153,6 +1352,30 @@ auto VLayoutPiece::Diagonal() const -> qreal
     return qSqrt(pow(rec.height(), 2) + pow(rec.width(), 2));
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+auto VLayoutPiece::FoldLine() const -> VFoldLine
+{
+    QLineF const foldLine = IsHideMainPath() ? GetSeamAllowanceMirrorLine() : GetSeamMirrorLine();
+    VFoldLine fLine(foldLine, GetFoldLineType());
+    fLine.SetLabelSvgFontSize(GetFoldLineSvgFontSize());
+    fLine.SetLabelFontItalic(IsFoldLineLabelFontItalic());
+    fLine.SetLabelFontBold(IsFoldLineLabelFontBold());
+    fLine.SetLabel(GetFoldLineLabel());
+    fLine.SetLabelAlignment(GetFoldLineLabelAlignment());
+    fLine.SetHeight(GetFoldLineHeight());
+    fLine.SetWidth(GetFoldLineWidth());
+    fLine.SetCenterPosition(GetFoldLineCenterPosition());
+    fLine.SetMatrix(GetMatrix());
+    fLine.SetHorizontallyFlipped(IsHorizontallyFlipped());
+    fLine.SetVerticallyFlipped(IsVerticallyFlipped());
+    fLine.SetXScale(GetXScale());
+    fLine.SetYScale(GetYScale());
+    fLine.SetOutlineFont(GetFoldLineOutlineFont());
+    fLine.SetSvgFont(GetFoldLineSVGFontFamily());
+
+    return fLine;
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 auto VLayoutPiece::isNull() const -> bool
 {
@@ -1177,8 +1400,8 @@ void VLayoutPiece::SetLayoutAllowancePoints(bool togetherWithNotches)
     if (d->m_layoutWidth > 0)
     {
         QVector<VLayoutPoint> pieceBoundary = IsSeamAllowance() && not IsSeamAllowanceBuiltIn()
-                                                  ? GetMappedSeamAllowancePoints()
-                                                  : GetMappedContourPoints();
+                                                  ? GetMappedFullSeamAllowancePoints()
+                                                  : GetMappedFullContourPoints();
 
         if (togetherWithNotches)
         {
@@ -1188,6 +1411,10 @@ void VLayoutPiece::SetLayoutAllowancePoints(bool togetherWithNotches)
 
             VBoundary boundary(pieceBoundary, seamAllowance, builtInSeamAllowance);
             boundary.SetPieceName(GetName());
+            if (IsShowFullPiece())
+            {
+                boundary.SetMirrorLine(GetMappedSeamAllowanceMirrorLine());
+            }
             const QList<VBoundarySequenceItemData> sequence = boundary.Combine(passmarks, false, true);
 
             pieceBoundary.clear();
@@ -1220,14 +1447,14 @@ void VLayoutPiece::SetLayoutAllowancePoints(bool togetherWithNotches)
 //---------------------------------------------------------------------------------------------------------------------
 auto VLayoutPiece::GetMappedExternalContourPoints() const -> QVector<VLayoutPoint>
 {
-    return IsSeamAllowance() && not IsSeamAllowanceBuiltIn() ? GetMappedSeamAllowancePoints()
-                                                             : GetMappedContourPoints();
+    return IsSeamAllowance() && not IsSeamAllowanceBuiltIn() ? GetMappedFullSeamAllowancePoints()
+                                                             : GetMappedFullContourPoints();
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 auto VLayoutPiece::GetExternalContourPoints() const -> QVector<VLayoutPoint>
 {
-    return IsSeamAllowance() && not IsSeamAllowanceBuiltIn() ? GetSeamAllowancePoints() : GetContourPoints();
+    return IsSeamAllowance() && not IsSeamAllowanceBuiltIn() ? GetFullSeamAllowancePoints() : GetFullContourPoints();
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -1264,16 +1491,18 @@ void VLayoutPiece::SetPlaceLabels(const QVector<VLayoutPlaceLabel> &labels)
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-auto VLayoutPiece::MappedInternalPathsForCut(bool cut) const -> QVector<QVector<VLayoutPoint>>
+auto VLayoutPiece::MappedInternalPathsForCut(bool cut) const -> QVector<VLayoutPiecePath>
 {
-    QVector<QVector<VLayoutPoint>> paths;
+    QVector<VLayoutPiecePath> paths;
     paths.reserve(d->m_internalPaths.size());
 
     for (const auto &path : d->m_internalPaths)
     {
         if (path.IsCutPath() == cut)
         {
-            paths.append(Map(path.Points()));
+            VLayoutPiecePath iPath = path;
+            iPath.SetPoints(Map(path.Points()));
+            paths.append(iPath);
         }
     }
 
@@ -1311,8 +1540,12 @@ auto VLayoutPiece::ContourPath(bool togetherWithNotches, bool showLayoutAllowanc
             bool seamAllowance = IsSeamAllowance() && IsSeamAllowanceBuiltIn();
             bool builtInSeamAllowance = IsSeamAllowance() && IsSeamAllowanceBuiltIn();
 
-            VBoundary boundary(d->m_contour, seamAllowance, builtInSeamAllowance);
+            VBoundary boundary(GetFullContourPoints(), seamAllowance, builtInSeamAllowance);
             boundary.SetPieceName(GetName());
+            if (IsShowFullPiece())
+            {
+                boundary.SetMirrorLine(d->m_seamMirrorLine);
+            }
             const QList<VBoundarySequenceItemData> sequence = boundary.Combine(d->m_passmarks, true, false);
 
             for (const auto &item : sequence)
@@ -1325,7 +1558,7 @@ auto VLayoutPiece::ContourPath(bool togetherWithNotches, bool showLayoutAllowanc
         }
         else
         {
-            path = VGObject::PainterPath(GetContourPoints());
+            path = VGObject::PainterPath(GetFullContourPoints());
         }
     }
 
@@ -1337,8 +1570,12 @@ auto VLayoutPiece::ContourPath(bool togetherWithNotches, bool showLayoutAllowanc
             // Draw seam allowance
             if (togetherWithNotches)
             {
-                VBoundary boundary(d->m_seamAllowance, true);
+                VBoundary boundary(GetFullSeamAllowancePoints(), true);
                 boundary.SetPieceName(GetName());
+                if (IsShowFullPiece())
+                {
+                    boundary.SetMirrorLine(d->m_seamAllowanceMirrorLine);
+                }
                 const QList<VBoundarySequenceItemData> sequence = boundary.Combine(d->m_passmarks, true, false);
 
                 for (const auto &item : sequence)
@@ -1351,7 +1588,7 @@ auto VLayoutPiece::ContourPath(bool togetherWithNotches, bool showLayoutAllowanc
             }
             else
             {
-                QVector<VLayoutPoint> points = d->m_seamAllowance;
+                QVector<VLayoutPoint> points = GetFullSeamAllowancePoints();
                 if (points.constLast().toPoint() != points.constFirst().toPoint())
                 {
                     points.append(points.at(0)); // Should be always closed
@@ -1364,16 +1601,32 @@ auto VLayoutPiece::ContourPath(bool togetherWithNotches, bool showLayoutAllowanc
         if (!togetherWithNotches)
         {
             // Draw passmarks
-            QPainterPath passmaksPath;
             for (const auto &passmark : d->m_passmarks)
             {
+                QPainterPath passmaksPath;
                 for (const auto &line : passmark.lines)
                 {
                     passmaksPath.moveTo(line.p1());
                     passmaksPath.lineTo(line.p2());
                 }
+                path.addPath(passmaksPath);
+
+                if (!d->m_seamAllowanceMirrorLine.isNull() && IsShowFullPiece())
+                {
+                    if (!VGObject::IsPointOnLineviaPDP(passmark.baseLine.p1(), d->m_seamAllowanceMirrorLine.p1(),
+                                                       d->m_seamAllowanceMirrorLine.p2()))
+                    {
+                        QPainterPath mirroredPassmaksPath;
+                        for (const auto &line : passmark.lines)
+                        {
+                            mirroredPassmaksPath.moveTo(line.p1());
+                            mirroredPassmaksPath.lineTo(line.p2());
+                        }
+                        const QTransform matrix = VGObject::FlippingMatrix(d->m_seamAllowanceMirrorLine);
+                        path.addPath(matrix.map(mirroredPassmaksPath));
+                    }
+                }
             }
-            path.addPath(passmaksPath);
         }
 
         path.setFillRule(Qt::WindingFill);
@@ -1428,7 +1681,21 @@ auto VLayoutPiece::GetItem(bool textAsPaths, bool togetherWithNotches, bool show
     for (const auto &path : d->m_internalPaths)
     {
         auto *pathItem = new QGraphicsPathItem(item);
-        pathItem->setPath(d->m_matrix.map(path.GetPainterPath()));
+
+        QPainterPath p = d->m_matrix.map(path.GetPainterPath());
+
+        if (!path.IsNotMirrored() && IsShowFullPiece() && !d->m_seamMirrorLine.isNull())
+        {
+            QVector<VLayoutPoint> points = path.Points();
+            const QTransform matrix = VGObject::FlippingMatrix(d->m_seamMirrorLine);
+            std::transform(points.begin(), points.end(), points.begin(),
+                           [matrix](const VLayoutPoint &point) { return VAbstractPiece::MapPoint(point, matrix); });
+            QVector<QPointF> casted;
+            CastTo(points, casted);
+            p.addPath(d->m_matrix.map(VPiecePath::MakePainterPath(casted)));
+        }
+
+        pathItem->setPath(p);
 
         QPen pen = pathItem->pen();
         pen.setStyle(path.PenStyle());
@@ -1442,12 +1709,68 @@ auto VLayoutPiece::GetItem(bool textAsPaths, bool togetherWithNotches, bool show
         QPen pen = pathItem->pen();
         pen.setWidthF(VAbstractApplication::VApp()->Settings()->WidthHairLine());
         pathItem->setPen(pen);
-        pathItem->setPath(d->m_matrix.map(LabelShapePath(PlaceLabelShape(label))));
+
+        QPainterPath path;
+        path.addPath(d->m_matrix.map(LabelShapePath(label)));
+
+        if (!label.IsNotMirrored() && IsShowFullPiece() && !d->m_seamMirrorLine.isNull())
+        {
+            PlaceLabelImg shape = VAbstractPiece::PlaceLabelShape(label);
+            const QTransform matrix = VGObject::FlippingMatrix(d->m_seamMirrorLine);
+            for (auto &points : shape)
+            {
+                std::transform(points.begin(), points.end(), points.begin(),
+                               [matrix](const VLayoutPoint &point) { return MapPoint(point, matrix); });
+            }
+
+            path.addPath(d->m_matrix.map(LabelShapePath(shape)));
+        }
+
+        pathItem->setPath(path);
     }
 
     CreateLabelStrings(item, d->m_detailLabel, d->m_tmDetail, textAsPaths);
     CreateLabelStrings(item, d->m_patternInfo, d->m_tmPattern, textAsPaths);
     CreateGrainlineItem(item);
+    CreateFoldLineItem(item, textAsPaths);
+
+    if (IsShowFullPiece())
+    {
+        bool mirrorFlag = false;
+        QPainterPath mirrorLinePath;
+        if (not IsSeamAllowance() || IsSeamAllowanceBuiltIn())
+        {
+            if (!d->m_seamMirrorLine.isNull())
+            {
+                QPainterPath mirrorPath;
+                mirrorPath.moveTo(d->m_matrix.map(d->m_seamMirrorLine.p1()));
+                mirrorPath.lineTo(d->m_matrix.map(d->m_seamMirrorLine.p2()));
+                mirrorLinePath.addPath(mirrorPath);
+                mirrorFlag = true;
+            }
+        }
+        else if (not IsSeamAllowanceBuiltIn())
+        {
+            if (!d->m_seamAllowanceMirrorLine.isNull())
+            {
+                QPainterPath mirrorPath;
+                mirrorPath.moveTo(d->m_matrix.map(d->m_seamAllowanceMirrorLine.p1()));
+                mirrorPath.lineTo(d->m_matrix.map(d->m_seamAllowanceMirrorLine.p2()));
+                mirrorLinePath.addPath(mirrorPath);
+                mirrorFlag = true;
+            }
+        }
+
+        if (mirrorFlag)
+        {
+            auto *mirrorLineItem = new QGraphicsPathItem(item);
+            QPen pen = mirrorLineItem->pen();
+            pen.setWidthF(VAbstractApplication::VApp()->Settings()->WidthHairLine());
+            pen.setStyle(Qt::DashDotLine);
+            mirrorLineItem->setPen(pen);
+            mirrorLineItem->setPath(mirrorLinePath);
+        }
+    }
 
     return item;
 }
@@ -1456,7 +1779,7 @@ auto VLayoutPiece::GetItem(bool textAsPaths, bool togetherWithNotches, bool show
 auto VLayoutPiece::IsLayoutAllowanceValid(bool togetherWithNotches) const -> bool
 {
     QVector<VLayoutPoint> base =
-        (IsSeamAllowance() && not IsSeamAllowanceBuiltIn()) ? d->m_seamAllowance : d->m_contour;
+        (IsSeamAllowance() && not IsSeamAllowanceBuiltIn()) ? GetFullSeamAllowancePoints() : GetFullContourPoints();
 
     if (togetherWithNotches)
     {
@@ -1466,6 +1789,10 @@ auto VLayoutPiece::IsLayoutAllowanceValid(bool togetherWithNotches) const -> boo
 
         VBoundary boundary(base, seamAllowance, builtInSeamAllowance);
         boundary.SetPieceName(GetName());
+        if (IsShowFullPiece())
+        {
+            boundary.SetMirrorLine(d->m_seamAllowanceMirrorLine);
+        }
         const QList<VBoundarySequenceItemData> sequence = boundary.Combine(passmarks, false, true);
 
         base.clear();
@@ -1516,6 +1843,14 @@ auto VLayoutPiece::MapPlaceLabelShape(PlaceLabelImg shape) const -> PlaceLabelIm
     return shape;
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+auto VLayoutPiece::MapPassmark(VLayoutPassmark passmark, const QTransform &matrix, bool mirror) -> VLayoutPassmark
+{
+    passmark.lines = MapVector(passmark.lines, matrix, mirror);
+    passmark.baseLine = matrix.map(passmark.baseLine);
+    return passmark;
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 auto VLayoutPiece::BoundingRect(QVector<QPointF> points) -> QRectF
 {
@@ -1589,7 +1924,6 @@ void VLayoutPiece::LabelStringsSVGFont(QGraphicsItem *parent, const QVector<QPoi
             break;
         }
 
-        QString qsText = tl.m_qsText;
         qreal dX = 0;
         if (tl.m_eAlign == 0 || (tl.m_eAlign & Qt::AlignLeft) > 0)
         {
@@ -1597,11 +1931,11 @@ void VLayoutPiece::LabelStringsSVGFont(QGraphicsItem *parent, const QVector<QPoi
         }
         else if ((tl.m_eAlign & Qt::AlignHCenter) > 0)
         {
-            dX = (dW - engine.TextWidth(qsText, penWidth)) / 2;
+            dX = (dW - engine.TextWidth(tl.m_qsText, penWidth)) / 2;
         }
         else if ((tl.m_eAlign & Qt::AlignRight) > 0)
         {
-            dX = dW - engine.TextWidth(qsText, penWidth);
+            dX = dW - engine.TextWidth(tl.m_qsText, penWidth);
         }
 
         // set up the rotation around top-left corner matrix
@@ -1630,11 +1964,11 @@ void VLayoutPiece::LabelStringsSVGFont(QGraphicsItem *parent, const QVector<QPoi
         pen.setWidthF(penWidth);
         item->setPen(pen);
 
-        item->setPath(engine.DrawPath(QPointF(), qsText));
+        item->setPath(engine.DrawPath(QPointF(), tl.m_qsText));
         item->setBrush(QBrush(Qt::NoBrush));
         item->setTransform(labelMatrix);
 
-        dY += engine.FontHeight() + penWidth + tm.GetSpacing();
+        dY += engine.FontHeight() - penWidth * 2 + tm.GetSpacing();
     }
 }
 
@@ -1686,7 +2020,6 @@ void VLayoutPiece::LabelStringsOutlineFont(QGraphicsItem *parent, const QVector<
             break;
         }
 
-        QString qsText = tl.m_qsText;
         qreal dX = 0;
         if (tl.m_eAlign == 0 || (tl.m_eAlign & Qt::AlignLeft) > 0)
         {
@@ -1694,11 +2027,11 @@ void VLayoutPiece::LabelStringsOutlineFont(QGraphicsItem *parent, const QVector<
         }
         else if ((tl.m_eAlign & Qt::AlignHCenter) > 0)
         {
-            dX = (dW - TextWidth(fm, qsText)) / 2;
+            dX = (dW - TextWidth(fm, tl.m_qsText)) / 2;
         }
         else if ((tl.m_eAlign & Qt::AlignRight) > 0)
         {
-            dX = dW - TextWidth(fm, qsText);
+            dX = dW - TextWidth(fm, tl.m_qsText);
         }
 
         // set up the rotation around top-left corner matrix
@@ -1708,15 +2041,14 @@ void VLayoutPiece::LabelStringsOutlineFont(QGraphicsItem *parent, const QVector<
         {
             labelMatrix.scale(-1, 1);
             labelMatrix.rotate(-angle);
-            labelMatrix.translate(-dW, 0);
-            labelMatrix.translate(dX, dY); // Each string has own position
+            labelMatrix.translate(-tm.MaxLineWidthOutlineFont(static_cast<int>(dW)), 0);
         }
         else
         {
             labelMatrix.rotate(angle);
-            labelMatrix.translate(dX, dY); // Each string has own position
         }
 
+        labelMatrix.translate(dX, dY); // Each string has own position
         labelMatrix *= d->m_matrix;
 
         if (textAsPaths)
@@ -1726,7 +2058,7 @@ void VLayoutPiece::LabelStringsOutlineFont(QGraphicsItem *parent, const QVector<
             if (settings->GetSingleStrokeOutlineFont())
             {
                 int w = 0;
-                for (auto c : qAsConst(qsText))
+                for (auto c : qAsConst(tl.m_qsText))
                 {
                     path.addPath(corrector.DrawChar(w, static_cast<qreal>(fm.ascent()), c));
                     w += TextWidth(fm, c);
@@ -1734,7 +2066,7 @@ void VLayoutPiece::LabelStringsOutlineFont(QGraphicsItem *parent, const QVector<
             }
             else
             {
-                path.addText(0, static_cast<qreal>(fm.ascent()), fnt, qsText);
+                path.addText(0, static_cast<qreal>(fm.ascent()), fnt, tl.m_qsText);
             }
 
             auto *item = new QGraphicsPathItem(parent);
@@ -1749,16 +2081,16 @@ void VLayoutPiece::LabelStringsOutlineFont(QGraphicsItem *parent, const QVector<
             item->setBrush(settings->GetSingleStrokeOutlineFont() ? QBrush(Qt::NoBrush) : QBrush(Qt::black));
             item->setTransform(labelMatrix);
 
-            dY += fm.height() + penWidth + tm.GetSpacing();
+            dY += fm.height() + penWidth * 2 + MmToPixel(1.5) + tm.GetSpacing();
         }
         else
         {
             auto *item = new QGraphicsSimpleTextItem(parent);
             item->setFont(fnt);
-            item->setText(qsText);
+            item->setText(tl.m_qsText);
             item->setTransform(labelMatrix);
 
-            dY += (fm.height() + tm.GetSpacing());
+            dY += (fm.height() + MmToPixel(1.5) + tm.GetSpacing());
         }
     }
 }
@@ -1797,6 +2129,83 @@ void VLayoutPiece::CreateGrainlineItem(QGraphicsItem *parent) const
     item->setPen(pen);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VLayoutPiece::CreateFoldLineItem(QGraphicsItem *parent, bool textAsPaths) const
+{
+    SCASSERT(parent != nullptr)
+
+    if (GetFoldLineType() == FoldLineType::None)
+    {
+        return;
+    }
+
+    VFoldLine const fLine = FoldLine();
+
+    QVector<QPainterPath> const shape = fLine.FoldLinePath();
+
+    if (shape.isEmpty())
+    {
+        return;
+    }
+
+    VCommonSettings *settings = VAbstractApplication::VApp()->Settings();
+    if (!textAsPaths && !settings->GetSingleStrokeOutlineFont() && !settings->GetSingleLineFonts())
+    {
+        auto *item = new QGraphicsSimpleTextItem(parent);
+        fLine.UpdateFoldLineLabel(item);
+    }
+
+    auto FoldLineMark = [parent](const QPainterPath &shape)
+    {
+        auto *item = new VGraphicsFoldLineItem(shape, parent);
+        item->SetCustomPen(true);
+        QPen pen = item->pen();
+        pen.setWidthF(VAbstractApplication::VApp()->Settings()->WidthHairLine());
+        pen.setCapStyle(Qt::RoundCap);
+        pen.setJoinStyle(Qt::RoundJoin);
+        item->setPen(pen);
+    };
+
+    auto FoldLineLabel = [parent](const QPainterPath &shape)
+    {
+        auto *item = new QGraphicsPathItem(parent);
+        item->setPath(shape);
+
+        VCommonSettings *settings = VAbstractApplication::VApp()->Settings();
+
+        QPen itemPen = item->pen();
+        itemPen.setColor(Qt::black);
+        itemPen.setCapStyle(Qt::RoundCap);
+        itemPen.setJoinStyle(Qt::RoundJoin);
+        itemPen.setWidthF(settings->WidthHairLine());
+        item->setPen(itemPen);
+        item->setBrush(settings->GetSingleStrokeOutlineFont() || settings->GetSingleLineFonts() ? QBrush(Qt::NoBrush)
+                                                                                                : QBrush(Qt::black));
+    };
+
+    if (GetFoldLineType() == FoldLineType::ThreeDots || GetFoldLineType() == FoldLineType::ThreeX ||
+        GetFoldLineType() == FoldLineType::TwoArrows)
+    {
+        FoldLineMark(shape.constFirst());
+    }
+    else if (GetFoldLineType() == FoldLineType::Text)
+    {
+        if (settings->GetSingleStrokeOutlineFont() || settings->GetSingleLineFonts())
+        {
+            FoldLineLabel(shape.constFirst());
+        }
+    }
+    else
+    {
+        FoldLineMark(shape.constFirst());
+
+        if (shape.size() > 1 && (settings->GetSingleStrokeOutlineFont() || settings->GetSingleLineFonts()))
+        {
+            FoldLineLabel(shape.constLast());
+        }
+    }
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 auto VLayoutPiece::DetailPath() const -> QVector<VLayoutPoint>
 {
@@ -1830,7 +2239,7 @@ auto VLayoutPiece::GetMainPathItem() const -> QGraphicsPathItem *
     QPainterPath path;
 
     // contour
-    QVector<VLayoutPoint> points = GetMappedContourPoints();
+    QVector<VLayoutPoint> const points = GetMappedContourPoints();
 
     path.moveTo(points.at(0));
     for (qint32 i = 1; i < points.count(); ++i)

src/libs/vlayout/vlayoutpiece.h

@@ -63,16 +63,7 @@ class VPieceLabelData;
 class VAbstractPattern;
 class VPatternLabelData;
 class VLayoutPoint;
-
-template <typename T> struct IsLayoutPoint
-{
-    static const bool value = false;
-};
-
-template <> struct IsLayoutPoint<VLayoutPoint>
-{
-    static const bool value = true;
-};
+class VFoldLine;
 
 QT_WARNING_PUSH
 QT_WARNING_DISABLE_GCC("-Wsuggest-final-types")
@@ -100,10 +91,14 @@ public:
     auto GetUniqueID() const -> QString override;
 
     auto GetMappedContourPoints() const -> QVector<VLayoutPoint>;
+    auto GetMappedFullContourPoints() const -> QVector<VLayoutPoint>;
+    auto GetFullContourPoints() const -> QVector<VLayoutPoint>;
     auto GetContourPoints() const -> QVector<VLayoutPoint>;
     void SetContourPoints(const QVector<VLayoutPoint> &points, bool hideMainPath = false);
 
     auto GetMappedSeamAllowancePoints() const -> QVector<VLayoutPoint>;
+    auto GetMappedFullSeamAllowancePoints() const -> QVector<VLayoutPoint>;
+    auto GetFullSeamAllowancePoints() const -> QVector<VLayoutPoint>;
     auto GetSeamAllowancePoints() const -> QVector<VLayoutPoint>;
     void SetSeamAllowancePoints(const QVector<VLayoutPoint> &points, bool seamAllowance = true,
                                 bool seamAllowanceBuiltIn = false);
@@ -122,16 +117,14 @@ public:
     auto GetPlaceLabels() const -> QVector<VLayoutPlaceLabel>;
     void SetPlaceLabels(const QVector<VLayoutPlaceLabel> &labels);
 
-    auto MappedInternalPathsForCut(bool cut) const -> QVector<QVector<VLayoutPoint>>;
+    auto MappedInternalPathsForCut(bool cut) const -> QVector<VLayoutPiecePath>;
     auto GetInternalPaths() const -> QVector<VLayoutPiecePath>;
     void SetInternalPaths(const QVector<VLayoutPiecePath> &internalPaths);
 
-    auto GetPieceTextPosition() const -> QPointF;
     auto GetPieceText() const -> QStringList;
     void SetPieceText(const QString &qsName, const VPieceLabelData &data, const QFont &font,
                       const QString &SVGFontFamily, const VContainer *pattern);
 
-    auto GetPatternTextPosition() const -> QPointF;
     auto GetPatternText() const -> QStringList;
     void SetPatternInfo(VAbstractPattern *pDoc, const VPatternLabelData &geom, const QFont &font,
                         const QString &SVGFontFamily, const VContainer *pattern);
@@ -183,6 +176,29 @@ public:
     auto GetPatternLabelData() const -> VTextManager;
     void SetPatternLabelData(const VTextManager &data);
 
+    auto GetMappedSeamMirrorLine() const -> QLineF;
+    auto GetSeamMirrorLine() const -> QLineF;
+    void SetSeamMirrorLine(const QLineF &line);
+
+    auto GetMappedSeamAllowanceMirrorLine() const -> QLineF;
+    auto GetSeamAllowanceMirrorLine() const -> QLineF;
+    void SetSeamAllowanceMirrorLine(const QLineF &line);
+
+    auto GetFoldLineHeight() const -> qreal;
+    void SetFoldLineHeight(qreal height);
+
+    auto GetFoldLineWidth() const -> qreal;
+    void SetFoldLineWidth(qreal width);
+
+    auto GetFoldLineCenterPosition() const -> qreal;
+    void SetFoldLineCenterPosition(qreal center);
+
+    auto GetFoldLineOutlineFont() const -> QFont;
+    void SetFoldLineOutlineFont(const QFont &font);
+
+    auto GetFoldLineSVGFontFamily() const -> QString;
+    void SetFoldLineSVGFontFamily(const QString &font);
+
     void Translate(const QPointF &p);
     void Translate(qreal dx, qreal dy);
     void Scale(qreal sx, qreal sy);
@@ -201,6 +217,8 @@ public:
     auto MappedLayoutBoundingRect() const -> QRectF;
     auto Diagonal() const -> qreal;
 
+    auto FoldLine() const -> VFoldLine;
+
     static auto BoundingRect(QVector<QPointF> points) -> QRectF;
 
     static auto GrainlinePath(const GrainlineShape &shape) -> QPainterPath;
@@ -226,14 +244,7 @@ public:
 
     auto MapPlaceLabelShape(PlaceLabelImg shape) const -> PlaceLabelImg;
 
-    template <class T>
-    static auto MapVector(QVector<T> points, const QTransform &matrix, bool mirror = false) -> QVector<T>;
-
-    template <class T>
-    static auto MapPoint(T obj, const QTransform &matrix) -> typename std::enable_if<!IsLayoutPoint<T>::value, T>::type;
-
-    template <class T>
-    static auto MapPoint(T obj, const QTransform &matrix) -> typename std::enable_if<IsLayoutPoint<T>::value, T>::type;
+    static auto MapPassmark(VLayoutPassmark passmark, const QTransform &matrix, bool mirror) -> VLayoutPassmark;
 
 protected:
     void SetGrainline(const VPieceGrainline &grainline);
@@ -254,6 +265,7 @@ private:
     void CreateLabelStrings(QGraphicsItem *parent, const QVector<QPointF> &labelShape, const VTextManager &tm,
                             bool textAsPaths) const;
     void CreateGrainlineItem(QGraphicsItem *parent) const;
+    void CreateFoldLineItem(QGraphicsItem *parent, bool textAsPaths) const;
 
     template <class T> auto Map(QVector<T> points) const -> QVector<T>;
     auto Map(const GrainlineShape &shape) const -> GrainlineShape;
@@ -266,36 +278,4 @@ QT_WARNING_POP
 
 Q_DECLARE_TYPEINFO(VLayoutPiece, Q_MOVABLE_TYPE); // NOLINT
 
-//---------------------------------------------------------------------------------------------------------------------
-template <class T>
-inline auto VLayoutPiece::MapVector(QVector<T> points, const QTransform &matrix, bool mirror) -> QVector<T>
-{
-    std::transform(points.begin(), points.end(), points.begin(),
-                   [matrix](const T &point) { return MapPoint(point, matrix); });
-    if (mirror)
-    {
-        std::reverse(points.begin(), points.end());
-    }
-    return points;
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-template <typename T>
-auto VLayoutPiece::MapPoint(T obj, const QTransform &matrix) ->
-    typename std::enable_if<!IsLayoutPoint<T>::value, T>::type
-{
-    return matrix.map(obj);
-}
-
-//---------------------------------------------------------------------------------------------------------------------
-template <typename T>
-auto VLayoutPiece::MapPoint(T obj, const QTransform &matrix) ->
-    typename std::enable_if<IsLayoutPoint<T>::value, T>::type
-{
-    auto p = matrix.map(obj);
-    obj.setX(p.x());
-    obj.setY(p.y());
-    return obj;
-}
-
 #endif // VLAYOUTDETAIL_H

src/libs/vlayout/vlayoutpiece_p.h

@@ -115,11 +115,21 @@ public:
     qreal m_xScale{1.0}; // NOLINT(misc-non-private-member-variables-in-classes)
     qreal m_yScale{1.0}; // NOLINT(misc-non-private-member-variables-in-classes)
 
+    QLineF m_seamMirrorLine{};          // NOLINT(misc-non-private-member-variables-in-classes)
+    QLineF m_seamAllowanceMirrorLine{}; // NOLINT(misc-non-private-member-variables-in-classes)
+
+    qreal m_foldLineHeight{0};   // NOLINT(misc-non-private-member-variables-in-classes)
+    qreal m_foldLineWidth{0};    // NOLINT(misc-non-private-member-variables-in-classes)
+    qreal m_foldLineCenter{0.5}; // NOLINT(misc-non-private-member-variables-in-classes)
+
+    QFont m_foldLineOutlineFont{};     // NOLINT (misc-non-private-member-variables-in-classes)
+    QString m_foldLineSvgFontFamily{}; // NOLINT (misc-non-private-member-variables-in-classes)
+
 private:
     Q_DISABLE_ASSIGN_MOVE(VLayoutPieceData) // NOLINT
 
     static constexpr quint32 streamHeader{0x80D7D009}; // CRC-32Q string "VLayoutPieceData"
-    static constexpr quint16 classVersion{6};
+    static constexpr quint16 classVersion{7};
 };
 
 QT_WARNING_POP
@@ -157,6 +167,13 @@ inline auto operator<<(QDataStream &dataStream, const VLayoutPieceData &piece) -
     dataStream << piece.m_yScale;
     dataStream << piece.m_grainline;
     dataStream << piece.m_horizontallyFlipped;
+    dataStream << piece.m_seamMirrorLine;
+    dataStream << piece.m_seamAllowanceMirrorLine;
+    dataStream << piece.m_foldLineHeight;
+    dataStream << piece.m_foldLineWidth;
+    dataStream << piece.m_foldLineCenter;
+    dataStream << piece.m_foldLineOutlineFont;
+    dataStream << piece.m_foldLineSvgFontFamily;
 
     return dataStream;
 }
@@ -275,6 +292,17 @@ inline auto operator>>(QDataStream &dataStream, VLayoutPieceData &piece) -> QDat
         dataStream >> piece.m_horizontallyFlipped;
     }
 
+    if (actualClassVersion >= 7)
+    {
+        dataStream >> piece.m_seamMirrorLine;
+        dataStream >> piece.m_seamAllowanceMirrorLine;
+        dataStream >> piece.m_foldLineHeight;
+        dataStream >> piece.m_foldLineWidth;
+        dataStream >> piece.m_foldLineCenter;
+        dataStream >> piece.m_foldLineOutlineFont;
+        dataStream >> piece.m_foldLineSvgFontFamily;
+    }
+
     return dataStream;
 }
 

src/libs/vlayout/vlayoutpiecepath.cpp

@@ -139,3 +139,15 @@ void VLayoutPiecePath::SetCutPath(bool cut)
 {
     d->m_cut = cut;
 }
+
+//---------------------------------------------------------------------------------------------------------------------
+auto VLayoutPiecePath::IsNotMirrored() const -> bool
+{
+    return d->m_notMirrored;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+void VLayoutPiecePath::SetNotMirrored(bool value)
+{
+    d->m_notMirrored = value;
+}

src/libs/vlayout/vlayoutpiecepath.h

@@ -63,6 +63,9 @@ public:
     auto IsCutPath() const -> bool;
     void SetCutPath(bool cut);
 
+    auto IsNotMirrored() const -> bool;
+    void SetNotMirrored(bool value);
+
     friend auto operator<<(QDataStream &dataStream, const VLayoutPiecePath &path) -> QDataStream &;
     friend auto operator>>(QDataStream &dataStream, VLayoutPiecePath &path) -> QDataStream &;
 

src/libs/vlayout/vlayoutpiecepath_p.h

@@ -62,13 +62,14 @@ public:
     /** @brief m_penStyle path pen style. */
     Qt::PenStyle m_penStyle{Qt::SolidLine}; // NOLINT(misc-non-private-member-variables-in-classes)
 
-    bool m_cut{false}; // NOLINT(misc-non-private-member-variables-in-classes)
+    bool m_cut{false};         // NOLINT(misc-non-private-member-variables-in-classes)
+    bool m_notMirrored{false}; // NOLINT(misc-non-private-member-variables-in-classes)
 
 private:
     Q_DISABLE_ASSIGN_MOVE(VLayoutPiecePathData) // NOLINT
 
     static constexpr quint32 streamHeader = 0xA53F0225; // CRC-32Q string "VLayoutPiecePathData"
-    static constexpr quint16 classVersion = 2;
+    static constexpr quint16 classVersion = 3;
 };
 
 QT_WARNING_POP
@@ -87,7 +88,7 @@ inline VLayoutPiecePathData::VLayoutPiecePathData(const QVector<VLayoutPoint> &p
 
 // Friend functions
 //---------------------------------------------------------------------------------------------------------------------
-auto operator<<(QDataStream &dataStream, const VLayoutPiecePathData &path) -> QDataStream &
+inline auto operator<<(QDataStream &dataStream, const VLayoutPiecePathData &path) -> QDataStream &
 {
     dataStream << VLayoutPiecePathData::streamHeader << VLayoutPiecePathData::classVersion;
 
@@ -96,13 +97,14 @@ auto operator<<(QDataStream &dataStream, const VLayoutPiecePathData &path) -> QD
     dataStream << path.m_penStyle;
     dataStream << path.m_cut;
 
-    // Added in classVersion = 2
+    // Added in classVersion = 3
+    dataStream << path.m_notMirrored;
 
     return dataStream;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
-auto operator>>(QDataStream &dataStream, VLayoutPiecePathData &path) -> QDataStream &
+inline auto operator>>(QDataStream &dataStream, VLayoutPiecePathData &path) -> QDataStream &
 {
     quint32 actualStreamHeader = 0;
     dataStream >> actualStreamHeader;
@@ -141,10 +143,10 @@ auto operator>>(QDataStream &dataStream, VLayoutPiecePathData &path) -> QDataStr
     dataStream >> path.m_penStyle;
     dataStream >> path.m_cut;
 
-    //    if (actualClassVersion >= 2)
-    //    {
-
-    //    }
+    if (actualClassVersion >= 3)
+    {
+        dataStream >> path.m_notMirrored;
+    }
 
     return dataStream;
 }

src/libs/vlayout/vposition.cpp

@@ -68,7 +68,7 @@ QPainterPath ShowDirection(const QLineF &edge)
     arrow.setLength(edge.length() / 2.0);
 
     // Reverse line because we want start arrow from this point
-    arrow = QLineF(arrow.p2(), arrow.p1());
+    Swap(arrow);
     const qreal angle = arrow.angle(); // we each time change line angle, better save original angle value
     arrow.setLength(arrowLength);      // arrow length in pixels
 

src/libs/vlayout/vtextmanager.cpp

@@ -44,17 +44,17 @@
 #include "../vmisc/svgfont/vsvgfontengine.h"
 #include "../vmisc/vabstractvalapplication.h"
 #include "../vmisc/vcommonsettings.h"
+#include "../vmisc/vtranslator.h"
+#include "../vpatterndb/calculator.h"
 #include "../vpatterndb/floatItemData/vpiecelabeldata.h"
+#include "../vpatterndb/variables/vmeasurement.h"
+#include "../vpatterndb/vcontainer.h"
+#include "vtextmanager.h"
 
 #if QT_VERSION < QT_VERSION_CHECK(5, 9, 0)
 #include "../vmisc/vdatastreamenum.h"
 #endif
 
-#include "../vpatterndb/calculator.h"
-#include "../vpatterndb/variables/vmeasurement.h"
-#include "../vpatterndb/vcontainer.h"
-#include "vtextmanager.h"
-
 using namespace Qt::Literals::StringLiterals;
 
 namespace
@@ -471,7 +471,7 @@ auto PreparePlaceholders(const VAbstractPattern *doc, const VContainer *data, bo
     QMap<QString, QString> placeholders;
 
     // Pattern tags
-    QLocale locale(VAbstractApplication::VApp()->Settings()->GetLocale());
+    QLocale const locale(VAbstractApplication::VApp()->Settings()->GetLocale());
 
     const QString date = locale.toString(QDate::currentDate(), doc->GetLabelDateFormat());
     placeholders.insert(pl_date, date);
@@ -516,7 +516,7 @@ auto PreparePlaceholders(const VAbstractPattern *doc, const VContainer *data, bo
     placeholders.insert(pl_pQuantity, QString());
     placeholders.insert(pl_wOnFold, QString());
 
-    QSharedPointer<QTranslator> phTr = VAbstractValApplication::VApp()->GetPlaceholderTranslator();
+    QSharedPointer<VTranslator> const phTr = VAbstractApplication::VApp()->GetPlaceholderTranslator();
 
     placeholders.insert(pl_mFabric, phTr->translate("Placeholder", "Fabric"));
     placeholders.insert(pl_mLining, phTr->translate("Placeholder", "Lining"));
@@ -541,7 +541,7 @@ void InitPiecePlaceholders(QMap<QString, QString> &placeholders, const QString &
 
     if (data.IsOnFold())
     {
-        QSharedPointer<QTranslator> phTr = VAbstractValApplication::VApp()->GetPlaceholderTranslator();
+        QSharedPointer<VTranslator> phTr = VAbstractApplication::VApp()->GetPlaceholderTranslator();
         placeholders[pl_wOnFold] = phTr->translate("Placeholder", "on fold");
     }
 }

src/libs/vmisc/def.cpp

@@ -418,10 +418,8 @@ auto PassmarkAngleTypeToString(PassmarkAngleType type) -> QString
         case PassmarkAngleType::Intersection2OnlyRight:
             return strIntersection2OnlyRight;
         default:
-            break;
+            return strStraightforward;
     }
-
-    return strStraightforward;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -450,9 +448,62 @@ auto StringToPassmarkAngleType(const QString &value) -> PassmarkAngleType
         case 7:
             return PassmarkAngleType::Intersection2OnlyRight;
         default:
-            break;
+            return PassmarkAngleType::Straightforward;
     }
-    return PassmarkAngleType::Straightforward;
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto FoldLineTypeToString(FoldLineType type) -> QString
+{
+    switch (type)
+    {
+        case FoldLineType::TwoArrowsTextUnder:
+            return strFoldTypeTwoArrowsTextUnder;
+        case FoldLineType::TwoArrows:
+            return strFoldTypeTwoArrows;
+        case FoldLineType::Text:
+            return strFoldTypeText;
+        case FoldLineType::ThreeDots:
+            return strFoldTypeThreeDots;
+        case FoldLineType::ThreeX:
+            return strFoldTypeThreeX;
+        case FoldLineType::None:
+            return strFoldTypeNone;
+        case FoldLineType::TwoArrowsTextAbove:
+        default:
+            return strFoldTypeTwoArrowsTextAbove;
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+auto StringToFoldLineType(const QString &value) -> FoldLineType
+{
+    const QStringList values{strFoldTypeTwoArrowsTextAbove, // 0
+                             strFoldTypeTwoArrowsTextUnder, // 1
+                             strFoldTypeTwoArrows,          // 2
+                             strFoldTypeText,               // 3
+                             strFoldTypeThreeDots,          // 4
+                             strFoldTypeThreeX,             // 5
+                             strFoldTypeNone};              // 6
+
+    switch (values.indexOf(value))
+    {
+        case 1:
+            return FoldLineType::TwoArrowsTextUnder;
+        case 2:
+            return FoldLineType::TwoArrows;
+        case 3:
+            return FoldLineType::Text;
+        case 4:
+            return FoldLineType::ThreeDots;
+        case 5:
+            return FoldLineType::ThreeX;
+        case 6:
+            return FoldLineType::None;
+        case 0:
+        default:
+            return FoldLineType::TwoArrowsTextAbove;
+    };
 }
 
 //---------------------------------------------------------------------------------------------------------------------

src/libs/vmisc/def.h

@@ -211,6 +211,23 @@ enum class PiecePathIncludeType : quint8
     AsCustomSA = 1
 };
 
+constexpr unsigned int defFoldLineFontSize{12};
+
+enum class FoldLineType : quint8
+{
+    TwoArrowsTextAbove = 0, // Default
+    TwoArrowsTextUnder,
+    TwoArrows,
+    Text,
+    ThreeDots,
+    ThreeX,
+    None,
+    LAST_ONE_DO_NOT_USE
+};
+
+auto FoldLineTypeToString(FoldLineType type) -> QString;
+auto StringToFoldLineType(const QString &value) -> FoldLineType;
+
 enum class PiecePathType : quint8
 {
     PiecePath = 0,
@@ -348,6 +365,7 @@ enum class Vis : ToolVisHolderType
 enum class Layout : ToolVisHolderType
 {
     GrainlineItem = static_cast<ToolVisHolderType>(Vis::LAST_ONE_DO_NOT_USE),
+    FoldLineItem,
     LAST_ONE_DO_NOT_USE // add new stuffs above this, this constant must be last and never used
 };
 

src/libs/vmisc/literals.cpp

@@ -160,6 +160,13 @@ const QString strIntersection2OnlyRight = QStringLiteral("intersection2Right");
 const QString strTypeIncrement = QStringLiteral("increment");
 const QString strTypeSeparator = QStringLiteral("separator");
 const QString strTypeMeasurement = QStringLiteral("measurement");
+const QString strFoldTypeTwoArrowsTextAbove = QStringLiteral("2ArrowsTextAbove");
+const QString strFoldTypeTwoArrowsTextUnder = QStringLiteral("2ArrowsTextUnder");
+const QString strFoldTypeTwoArrows = QStringLiteral("2Arrows");
+const QString strFoldTypeText = QStringLiteral("text");
+const QString strFoldTypeThreeDots = QStringLiteral("3dots");
+const QString strFoldTypeThreeX = QStringLiteral("3X");
+const QString strFoldTypeNone = QStringLiteral("none");
 
 const QString unitMM = QStringLiteral("mm");
 const QString unitCM = QStringLiteral("cm");

src/libs/vmisc/literals.h

@@ -164,6 +164,13 @@ extern const QString strIntersection2OnlyRight;
 extern const QString strTypeIncrement;
 extern const QString strTypeSeparator;
 extern const QString strTypeMeasurement;
+extern const QString strFoldTypeTwoArrowsTextAbove;
+extern const QString strFoldTypeTwoArrowsTextUnder;
+extern const QString strFoldTypeTwoArrows;
+extern const QString strFoldTypeText;
+extern const QString strFoldTypeThreeDots;
+extern const QString strFoldTypeThreeX;
+extern const QString strFoldTypeNone;
 
 extern const QString unitMM;
 extern const QString unitCM;

src/libs/vmisc/share/resources/icon.qrc

@@ -213,5 +213,7 @@
         <file>icon/light/16x16/viewimage.png</file>
         <file>icon/dark/16x16/viewimage.png</file>
         <file>icon/dark/16x16/viewimage@2x.png</file>
+        <file>icon/32x32/fold.png</file>
+        <file>icon/32x32/fold@2x.png</file>
     </qresource>
 </RCC>

src/libs/vmisc/share/resources/scenestyle/dark/style.json

@@ -31,6 +31,7 @@
   },
   "ManualLayoutStyle": {
     "SheetBorderColor": "#808080",
+    "SheetFoldShadowColor": "#6699cc",
     "SheetMarginColor": "#00b3ff",
     "SheetGridColor": "#cccccc",
     "SheetTileGridColor": "#80ff0000",
@@ -40,6 +41,7 @@
     "PieceHoverColor": "#80c7f4f9",
     "PieceHandleColor": "#add8e6",
     "PieceHandleHoverColor": "#90ee90",
+    "PieceSelectionBrushColor": [255, 160, 160, 60],
     "CarrouselPieceColor": "#78a0c8",
     "CarrouselPieceSelectedColor": "#80ffa0a0",
     "CarrouselPieceBackgroundColor": "#202020",