Optimize layout algorithm after profiling.

--HG--
branch : feature

src/libs/vlayout/vcontour.cpp

@@ -96,6 +96,8 @@ void VContour::CeateEmptySheetContour()
     {
         d->globalContour = CutEmptySheetEdge();
         d->globalContour.append(d->globalContour.first()); // Close path
+
+        ResetAttributes();
     }
 }
 
@@ -103,6 +105,8 @@ void VContour::CeateEmptySheetContour()
 void VContour::SetContour(const QVector<QPointF> &contour)
 {
     d->globalContour = contour;
+
+    ResetAttributes();
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -121,6 +125,8 @@ qreal VContour::GetShift() const
 void VContour::SetShift(qreal shift)
 {
     d->shift = shift;
+
+    ResetAttributes();
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -200,17 +206,7 @@ QVector<QPointF> VContour::UniteWithContour(const VLayoutPiece &detail, int glob
 //---------------------------------------------------------------------------------------------------------------------
 int VContour::GlobalEdgesCount() const
 {
-    int count = 0;
-    if (not d->globalContour.isEmpty())
-    {
-        count = d->globalContour.count();
-    }
-    else
-    {
-        const qreal shift = qFuzzyIsNull(d->shift) ? ToPixel(0.5, Unit::Cm) : d->shift;
-        count = qFloor(EmptySheetEdge().length()/shift);
-    }
-    return count;
+    return d->m_emptySheetEdgesCount;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -267,6 +263,7 @@ QVector<QPointF> VContour::CutEdge(const QLineF &edge) const
         }
         else
         {
+            points.reserve(n);
             const qreal nShift = edge.length()/n;
             for (int i = 1; i <= n+1; ++i)
             {
@@ -302,30 +299,13 @@ const QPointF &VContour::at(int i) const
 //---------------------------------------------------------------------------------------------------------------------
 QRectF VContour::BoundingRect() const
 {
-    QVector<QPointF> points = GetContour();
-    if (points.isEmpty())
-    {
-        return QRectF();
-    }
-    points.append(points.first());
-    return QPolygonF(points).boundingRect();
+    return d->m_boundingRect;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 QPainterPath VContour::ContourPath() const
 {
-    QPainterPath path;
-    path.setFillRule(Qt::WindingFill);
-
-    const QVector<QPointF> points = GetContour();
-    path.moveTo(points.at(0));
-    for (qint32 i = 1; i < points.count(); ++i)
-    {
-        path.lineTo(points.at(i));
-    }
-    path.lineTo(points.at(0));
-
-    return path;
+    return d->m_contourPath;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
@@ -375,6 +355,55 @@ void VContour::InsertDetail(QVector<QPointF> &contour, const VLayoutPiece &detai
     while (processedEdges <= nD);
 }
 
+//---------------------------------------------------------------------------------------------------------------------
+void VContour::ResetAttributes()
+{
+    if (not d->globalContour.isEmpty())
+    {
+        // Bounding rect
+        {
+            QVector<QPointF> points = d->globalContour;
+            if (points.isEmpty())
+            {
+                d->m_boundingRect = QRectF();
+            }
+            else
+            {
+                points.append(points.first());
+                d->m_boundingRect = QPolygonF(points).boundingRect();
+            }
+        }
+
+        {
+            // Countour path
+            QPainterPath path;
+            path.setFillRule(Qt::WindingFill);
+            const QVector<QPointF> points = d->globalContour;
+            path.moveTo(points.at(0));
+            for (qint32 i = 1; i < points.count(); ++i)
+            {
+                path.lineTo(points.at(i));
+            }
+            path.lineTo(points.at(0));
+
+            d->m_contourPath = path;
+        }
+
+        d->m_emptySheetEdgesCount = d->globalContour.count(); // Edges count
+    }
+    else
+    {
+        d->m_emptySheetEdgesCount = EmptySheetEdgesCount(); // Edges count
+    }
+}
+
+//---------------------------------------------------------------------------------------------------------------------
+int VContour::EmptySheetEdgesCount() const
+{
+    const qreal shift = qFuzzyIsNull(d->shift) ? ToPixel(0.5, Unit::Cm) : d->shift;
+    return qFloor(EmptySheetEdge().length()/shift);
+}
+
 //---------------------------------------------------------------------------------------------------------------------
 bool VContour::IsPortrait() const
 {

src/libs/vlayout/vcontour.h

@@ -98,6 +98,10 @@ private:
 
     void AppendWhole(QVector<QPointF> &contour, const VLayoutPiece &detail, int detJ) const;
     void InsertDetail(QVector<QPointF> &contour, const VLayoutPiece &detail, int detJ) const;
+
+    void ResetAttributes();
+
+    int EmptySheetEdgesCount() const;
 };
 
 Q_DECLARE_TYPEINFO(VContour, Q_MOVABLE_TYPE);

src/libs/vlayout/vcontour_p.h

@@ -32,6 +32,8 @@
 #include <QSharedData>
 #include <QPointF>
 #include <QVector>
+#include <QRectF>
+#include <QPainterPath>
 
 #include "../vmisc/diagnostic.h"
 
@@ -57,7 +59,10 @@ public:
           paperHeight(contour.paperHeight),
           paperWidth(contour.paperWidth),
           shift(contour.shift),
-          layoutWidth(contour.layoutWidth)
+          layoutWidth(contour.layoutWidth),
+          m_boundingRect(contour.m_boundingRect),
+          m_contourPath(contour.m_contourPath),
+          m_emptySheetEdgesCount(contour.m_emptySheetEdgesCount)
     {}
 
     ~VContourData() {}
@@ -75,6 +80,11 @@ public:
 
     qreal layoutWidth{0};
 
+    QRectF m_boundingRect{};
+    QPainterPath m_contourPath{};
+
+    int  m_emptySheetEdgesCount{0};
+
 private:
     VContourData &operator=(const VContourData &) Q_DECL_EQ_DELETE;
 };

src/libs/vlayout/vlayoutpiece.cpp

@@ -314,45 +314,36 @@ VLayoutPiece VLayoutPiece::Create(const VPiece &piece, const VContainer *pattern
 
 //---------------------------------------------------------------------------------------------------------------------
 template <class T>
-QVector<T> VLayoutPiece::Map(const QVector<T> &points) const
+QVector<T> VLayoutPiece::Map(QVector<T> points) const
 {
-    QVector<T> p;
-    for (auto point : points)
+    for (int i = 0; i < points.size(); ++i)
     {
-        p.append(d->matrix.map(point));
+        points[i] = d->matrix.map(points.at(i));
     }
 
     if (d->mirror)
     {
-        QList<T> list = p.toList();
+        QList<T> list = points.toList();
         for (int k=0, s=list.size(), max=(s/2); k<max; k++)
         {
             list.swap(k, s-(1+k));
         }
-        p = list.toVector();
+        points = list.toVector();
     }
-    return p;
+    return points;
 }
 
 //---------------------------------------------------------------------------------------------------------------------
 template <>
-QVector<VLayoutPlaceLabel> VLayoutPiece::Map<VLayoutPlaceLabel>(const QVector<VLayoutPlaceLabel> &points) const
+QVector<VLayoutPlaceLabel> VLayoutPiece::Map<VLayoutPlaceLabel>(QVector<VLayoutPlaceLabel> points) const
 {
-    QVector<VLayoutPlaceLabel> p;
-    p.reserve(points.size());
-    for (auto &label : points)
+    for (int i = 0; i < points.size(); ++i)
     {
-        VLayoutPlaceLabel mappedLabel;
-        mappedLabel.type = label.type;
-        mappedLabel.center = d->matrix.map(label.center);
-        for (const auto &p : label.shape)
-        {
-            mappedLabel.shape.append(d->matrix.map(p));
-        }
-        p.append(mappedLabel);
+        points[i].center = d->matrix.map(points.at(i).center);
+        points[i].shape = Map(points.at(i).shape);
     }
 
-    return p;
+    return points;
 }
 
 //---------------------------------------------------------------------------------------------------------------------

src/libs/vlayout/vlayoutpiece.h

@@ -159,7 +159,7 @@ private:
     void CreateGrainlineItem(QGraphicsItem *parent) const;
 
     template <class T>
-    QVector<T> Map(const QVector<T> &points) const;
+    QVector<T> Map(QVector<T> points) const;
 
     QLineF Edge(const QVector<QPointF> &path, int i) const;
     int    EdgeByPoint(const QVector<QPointF> &path, const QPointF &p1) const;

src/libs/vlayout/vposition.cpp

@@ -493,7 +493,7 @@ VPosition::CrossingType VPosition::Crossing(const VLayoutPiece &detail) const
 
     const QPainterPath gPath = m_data.gContour.ContourPath();
     CrossingType crossing = CrossingType::EdgeError;
-    if (not gPath.intersects(detail.LayoutAllowancePath()) && not gPath.contains(detail.ContourPath()))
+    if (not gPath.contains(detail.ContourPath()) && not gPath.intersects(detail.LayoutAllowancePath()))
     {
         crossing = CrossingType::NoIntersection;
     }
@@ -645,13 +645,6 @@ void VPosition::FindBestPosition()
         {
             Rotate(m_data.rotationNumber);
         }
-        else
-        {
-            if (m_data.gContour.GetContour().isEmpty())
-            {
-                Rotate(m_data.rotationNumber);
-            }
-        }
     }
     else
     {