valentina/src/libs/vlayout/vposition.cpp

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/************************************************************************
**
** @file vposition.cpp
** @author Roman Telezhynskyi <dismine(at)gmail.com>
** @date 20 1, 2015
**
** @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) 2013-2015 Valentina project
** <https://bitbucket.org/dismine/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/>.
**
*************************************************************************/
#include "vposition.h"
#include <QDir>
#include <QImage>
#include <QLineF>
#include <QPainter>
#include <QPainterPath>
#include <QPen>
#include <QPicture>
#include <QPointF>
#include <QPolygonF>
#include <QRect>
#include <QRectF>
#include <QSizeF>
#include <QStaticStringData>
#include <QString>
#include <QStringData>
#include <QStringDataPtr>
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#include <QThreadPool>
#include <Qt>
#include "../vmisc/def.h"
#include "../vmisc/vmath.h"
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#if QT_VERSION < QT_VERSION_CHECK(5, 12, 0)
#include "../vmisc/backport/qscopeguard.h"
#else
#include <QScopeGuard>
#endif
//---------------------------------------------------------------------------------------------------------------------
VPosition::VPosition(const VPositionData &data, std::atomic_bool *stop, bool saveLength)
: QRunnable(),
m_bestResult(VBestSquare(data.gContour.GetSize(), saveLength, data.isOriginPaperOrientationPortrait)),
m_data(data),
stop(stop),
angle_between(0)
{
if (m_data.rotationNumber > 360 || m_data.rotationNumber < 1)
{
m_data.rotationNumber = 2;
}
}
//---------------------------------------------------------------------------------------------------------------------
void VPosition::run()
{
if (stop->load())
{
return;
}
try
{
FindBestPosition();
}
catch (const VException &e)
{
m_bestResult.TerminatedByException(QStringLiteral("%1\n\n%2").arg(e.ErrorMessage(), e.DetailedInformation()));
return;
}
catch (std::exception& e)
{
m_bestResult.TerminatedByException(QString::fromLatin1(e.what()));
return;
}
}
//---------------------------------------------------------------------------------------------------------------------
VBestSquare VPosition::getBestResult() const
{
return m_bestResult;
}
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//---------------------------------------------------------------------------------------------------------------------
VBestSquare VPosition::ArrangeDetail(const VPositionData &data, std::atomic_bool *stop, bool saveLength)
{
VBestSquare bestResult(data.gContour.GetSize(), saveLength, data.isOriginPaperOrientationPortrait);
if (stop->load())
{
return bestResult;
}
// First need set size of paper
if (data.gContour.GetHeight() <= 0 || data.gContour.GetWidth() <= 0)
{
return bestResult;
}
const VLayoutPiece detail = data.detail;
const int detailEdgesCount = detail.LayoutEdgesCount();
if (detailEdgesCount < 3 || detail.DetailEdgesCount() < 3)
{
return bestResult;//Not enough edges
}
QScopedPointer<QThreadPool> thread_pool(new QThreadPool());
QVector<VPosition *> threads;
auto Cleanup = qScopeGuard([threads] {qDeleteAll(threads.begin(), threads.end());});
for (int j=1; j <= data.gContour.GlobalEdgesCount(); ++j)
{
QCoreApplication::processEvents();
for (int i=1; i<= detailEdgesCount; ++i)
{
VPositionData linkedData = data;
linkedData.i = i;
linkedData.j = j;
auto *thread = new VPosition(linkedData, stop, saveLength);
thread->setAutoDelete(false);
threads.append(thread);
thread_pool->start(thread);
}
}
// Wait for done
do
{
QCoreApplication::processEvents();
QThread::msleep(250);
}
while(thread_pool->activeThreadCount() > 0 && not stop->load());
if (stop->load())
{
return bestResult;
}
for (auto &thread : threads)
{
bestResult.NewResult(thread->getBestResult());
}
return bestResult;
}
//---------------------------------------------------------------------------------------------------------------------
void VPosition::SaveCandidate(VBestSquare &bestResult, const VLayoutPiece &detail, int globalI, int detJ,
BestFrom type)
{
if (bestResult.IsSaveLength())
{
m_data.gContour.CeateEmptySheetContour();
}
QVector<QPointF> newGContour = m_data.gContour.UniteWithContour(detail, globalI, detJ, type);
newGContour.append(newGContour.first());
const QSizeF size = QPolygonF(newGContour).boundingRect().size();
const QRectF boundingRect = detail.DetailBoundingRect();
const qreal depthPosition = m_data.isOriginPaperOrientationPortrait ? boundingRect.y() : boundingRect.x();
const qreal sidePosition = m_data.isOriginPaperOrientationPortrait ? boundingRect.x() : boundingRect.y();
VBestSquareResData data;
data.bestSize = size;
data.globalI = globalI; // Edge of global contour
data.detJ = detJ; // Edge of detail
data.resMatrix = detail.GetMatrix(); // Matrix for rotation and translation detail
data.resMirror = detail.IsMirror();
data.type = type;
data.depthPosition = depthPosition;
data.sidePosition = sidePosition;
bestResult.NewResult(data);
}
//---------------------------------------------------------------------------------------------------------------------
bool VPosition::CheckCombineEdges(VLayoutPiece &detail, int j, int &dEdge)
{
const QLineF globalEdge = m_data.gContour.GlobalEdge(j);
bool flagMirror = false;
bool flagSquare = false;
CombineEdges(detail, globalEdge, dEdge);
CrossingType type = CrossingType::Intersection;
if (not detail.IsForceFlipping() && SheetContains(detail.DetailBoundingRect()))
{
if (not m_data.gContour.GetContour().isEmpty())
{
type = Crossing(detail);
}
else
{
type = CrossingType::NoIntersection;
}
}
switch (type)
{
case CrossingType::EdgeError:
return false;
case CrossingType::Intersection:
detail.Mirror(globalEdge);
flagMirror = true;
break;
case CrossingType::NoIntersection:
flagSquare = true;
break;
default:
break;
}
if (flagMirror && not detail.IsForbidFlipping())
{
if (m_data.gContour.GetContour().isEmpty())
{
dEdge = detail.DetailEdgeByPoint(globalEdge.p2());
}
else
{
dEdge = detail.LayoutEdgeByPoint(globalEdge.p2());
}
if (dEdge <= 0)
{
return false;
}
CrossingType type = CrossingType::Intersection;
if (SheetContains(detail.DetailBoundingRect()))
{
type = Crossing(detail);
}
switch (type)
{
case CrossingType::EdgeError:
return false;
case CrossingType::Intersection:
flagSquare = false;
break;
case CrossingType::NoIntersection:
flagSquare = true;
break;
default:
break;
}
}
return flagSquare;
}
//---------------------------------------------------------------------------------------------------------------------
bool VPosition::CheckRotationEdges(VLayoutPiece &detail, int j, int dEdge, qreal angle) const
{
const QLineF globalEdge = m_data.gContour.GlobalEdge(j);
bool flagSquare = false;
if (detail.IsForceFlipping())
{
detail.Mirror(not m_data.followGrainline ? globalEdge : QLineF(10, 10, 10, 100));
}
RotateEdges(detail, globalEdge, dEdge, angle);
CrossingType type = CrossingType::Intersection;
if (SheetContains(detail.DetailBoundingRect()))
{
type = Crossing(detail);
}
switch (type)
{
case CrossingType::EdgeError:
return false;
case CrossingType::Intersection:
flagSquare = false;
break;
case CrossingType::NoIntersection:
flagSquare = true;
break;
default:
break;
}
return flagSquare;
}
//---------------------------------------------------------------------------------------------------------------------
void VPosition::RotateOnAngle(qreal angle)
{
// We should use copy of the detail.
VLayoutPiece workDetail = m_data.detail;
if (CheckRotationEdges(workDetail, m_data.j, m_data.i, angle))
{
SaveCandidate(m_bestResult, workDetail, m_data.j, m_data.i, BestFrom::Rotation);
}
}
//---------------------------------------------------------------------------------------------------------------------
VPosition::CrossingType VPosition::Crossing(const VLayoutPiece &detail) const
{
if (m_data.positionsCache.isEmpty())
{
return CrossingType::NoIntersection;
}
const QVector<QPointF> layoutPoints = detail.GetLayoutAllowancePoints();
const QRectF layoutBoundingRect = VLayoutPiece::BoundingRect(layoutPoints);
const QPainterPath layoutAllowancePath = VLayoutPiece::PainterPath(layoutPoints);
const QVector<QPointF> contourPoints = detail.IsSeamAllowance() && not detail.IsSeamAllowanceBuiltIn() ?
detail.GetMappedSeamAllowancePoints() : detail.GetMappedContourPoints();
const QRectF detailBoundingRect = VLayoutPiece::BoundingRect(contourPoints);
const QPainterPath contourPath = VLayoutPiece::PainterPath(contourPoints);
for(auto &position : m_data.positionsCache)
{
if (position.boundingRect.intersects(layoutBoundingRect) || position.boundingRect.contains(detailBoundingRect))
{
if (position.layoutAllowancePath.contains(contourPath) ||
position.layoutAllowancePath.intersects(layoutAllowancePath))
{
return CrossingType::Intersection;
}
}
}
return CrossingType::NoIntersection;
}
//---------------------------------------------------------------------------------------------------------------------
bool VPosition::SheetContains(const QRectF &rect) const
{
const QRectF bRect(-accuracyPointOnLine, -accuracyPointOnLine, m_data.gContour.GetWidth()+accuracyPointOnLine,
m_data.gContour.GetHeight()+accuracyPointOnLine);
return bRect.contains(rect);
}
//---------------------------------------------------------------------------------------------------------------------
void VPosition::CombineEdges(VLayoutPiece &detail, const QLineF &globalEdge, int dEdge)
{
QLineF detailEdge;
if (m_data.gContour.GetContour().isEmpty())
{
detailEdge = detail.DetailEdge(dEdge);
}
else
{
detailEdge = detail.LayoutEdge(dEdge);
}
// Find distance between two edges for two begin vertex.
const qreal dx = globalEdge.x2() - detailEdge.x2();
const qreal dy = globalEdge.y2() - detailEdge.y2();
detailEdge.translate(dx, dy); // Use values for translate detail edge.
angle_between = globalEdge.angleTo(detailEdge); // Seek angle between two edges.
// Now we move detail to position near to global contour edge.
detail.Translate(dx, dy);
if (not qFuzzyIsNull(angle_between) || not qFuzzyCompare(angle_between, 360))
{
detail.Rotate(detailEdge.p2(), -angle_between);
}
}
//---------------------------------------------------------------------------------------------------------------------
void VPosition::RotateEdges(VLayoutPiece &detail, const QLineF &globalEdge, int dEdge, qreal angle) const
{
QLineF detailEdge;
if (m_data.gContour.GetContour().isEmpty())
{
detailEdge = detail.DetailEdge(dEdge);
}
else
{
detailEdge = detail.LayoutEdge(dEdge);
}
// Find distance between two edges for two begin vertex.
const qreal dx = globalEdge.x2() - detailEdge.x2();
const qreal dy = globalEdge.y2() - detailEdge.y2();
detailEdge.translate(dx, dy); // Use values for translate detail edge.
// Now we move detail to position near to global contour edge.
detail.Translate(dx, dy);
detail.Rotate(globalEdge.p2(), angle);
}
//---------------------------------------------------------------------------------------------------------------------
void VPosition::Rotate(int number)
{
const qreal step = 360/number;
qreal startAngle = 0;
if (VFuzzyComparePossibleNulls(angle_between, 360))
{
startAngle = step;
}
for (qreal angle = startAngle; angle < 360; angle = angle+step)
{
if (stop->load())
{
return;
}
RotateOnAngle(angle);
}
}
//---------------------------------------------------------------------------------------------------------------------
void VPosition::FollowGrainline()
{
if (stop->load())
{
return;
}
QLineF detailGrainline(10, 10, 100, 10);
detailGrainline.setAngle(m_data.detail.GrainlineAngle());
if (m_data.detail.IsForceFlipping())
{
VLayoutPiece workDetail = m_data.detail; // We need copy for temp change
workDetail.Mirror(not m_data.followGrainline ? m_data.gContour.GlobalEdge(m_data.j) : QLineF(10, 10, 10, 100));
detailGrainline = workDetail.GetMatrix().map(detailGrainline);
}
const qreal angle = detailGrainline.angleTo(FabricGrainline());
if (m_data.detail.GrainlineArrowType() == ArrowType::atBoth ||
m_data.detail.GrainlineArrowType() == ArrowType::atFront)
{
RotateOnAngle(angle);
}
if (m_data.detail.GrainlineArrowType() == ArrowType::atBoth ||
m_data.detail.GrainlineArrowType() == ArrowType::atRear)
{
RotateOnAngle(angle+180);
}
}
//---------------------------------------------------------------------------------------------------------------------
void VPosition::FindBestPosition()
{
if (not m_data.followGrainline || not m_data.detail.IsGrainlineEnabled())
{
// We should use copy of the detail.
VLayoutPiece workDetail = m_data.detail;
int dEdge = m_data.i;// For mirror detail edge will be different
if (CheckCombineEdges(workDetail, m_data.j, dEdge))
{
SaveCandidate(m_bestResult, workDetail, m_data.j, dEdge, BestFrom::Combine);
}
if (m_data.rotate)
{
Rotate(m_data.rotationNumber);
}
}
else
{
FollowGrainline();
}
}