vlayoutpaper.cpp

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/***************************************************************************
 **  @file   vlayoutpaper.cpp
 **  @author Douglas S Caskey
 **  @date   Dec 27, 2022
 **
 **  @copyright
 **  Copyright (C) 2017 - 2022 Seamly, LLC
 **  https://github.com/fashionfreedom/seamly2d
 **
 **  @brief
 **  Seamly2D 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.
 **
 **  Seamly2D 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 Seamly2D. If not, see <http://www.gnu.org/licenses/>.
 **************************************************************************/
 
/************************************************************************
 **
 **  @file   vlayoutpaper.cpp
 **  @author Roman Telezhynskyi <dismine(at)gmail.com>
 **  @date   7 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 "vlayoutpaper.h"
 
#include <QBrush>
#include <QCoreApplication>
#include <QGraphicsRectItem>
#include <QGraphicsScene>
#include <QList>
#include <QPen>
#include <QPointF>
#include <QRect>
#include <QRectF>
#include <QThread>
#include <QThreadPool>
#include <QVector>
#include <Qt>
#include <QtAlgorithms>
 
#include "vbestsquare.h"
#include "vcontour.h"
#include "vlayoutpiece.h"
#include "vlayoutpaper_p.h"
#include "vposition.h"
 
#ifdef Q_COMPILER_RVALUE_REFS
VLayoutPaper &VLayoutPaper::operator=(VLayoutPaper &&paper) Q_DECL_NOTHROW { Swap(paper); return *this; }
#endif
 
void VLayoutPaper::Swap(VLayoutPaper &paper) Q_DECL_NOTHROW
{ std::swap(d, paper.d); }
 
//---------------------------------------------------------------------------------------------------------------------
VLayoutPaper::VLayoutPaper()
    :d(new VLayoutPaperData)
{}
 
//---------------------------------------------------------------------------------------------------------------------
VLayoutPaper::VLayoutPaper(int height, int width)
    :d(new VLayoutPaperData(height, width))
{}
 
//---------------------------------------------------------------------------------------------------------------------
VLayoutPaper::VLayoutPaper(const VLayoutPaper &paper)
    :d (paper.d)
{}
 
//---------------------------------------------------------------------------------------------------------------------
VLayoutPaper &VLayoutPaper::operator=(const VLayoutPaper &paper)
{
    if ( &paper == this )
    {
        return *this;
    }
    d = paper.d;
    return *this;
}
 
//---------------------------------------------------------------------------------------------------------------------
VLayoutPaper::~VLayoutPaper()
{}
 
//---------------------------------------------------------------------------------------------------------------------
int VLayoutPaper::GetHeight() const
{
    return d->globalContour.GetHeight();
}
 
//---------------------------------------------------------------------------------------------------------------------
void VLayoutPaper::SetHeight(int height)
{
    d->globalContour.SetHeight(height);
}
 
//---------------------------------------------------------------------------------------------------------------------
int VLayoutPaper::GetWidth() const
{
    return d->globalContour.GetWidth();
}
 
//---------------------------------------------------------------------------------------------------------------------
void VLayoutPaper::SetWidth(int width)
{
    d->globalContour.SetWidth(width);
}
 
//---------------------------------------------------------------------------------------------------------------------
qreal VLayoutPaper::GetLayoutWidth() const
{
    return d->layoutWidth;
}
 
//---------------------------------------------------------------------------------------------------------------------
void VLayoutPaper::SetLayoutWidth(qreal width)
{
    if (width >= 0)
    {
        d->layoutWidth = width;
    }
}
 
//---------------------------------------------------------------------------------------------------------------------
quint32 VLayoutPaper::GetShift() const
{
    return d->globalContour.GetShift();
}
 
//---------------------------------------------------------------------------------------------------------------------
void VLayoutPaper::SetShift(quint32 shift)
{
    d->globalContour.SetShift(shift);
}
 
//---------------------------------------------------------------------------------------------------------------------
bool VLayoutPaper::GetRotate() const
{
    return d->globalRotate;
}
 
//---------------------------------------------------------------------------------------------------------------------
void VLayoutPaper::SetRotate(bool value)
{
    d->globalRotate = value;
    d->localRotate = d->globalRotate;
}
 
//---------------------------------------------------------------------------------------------------------------------
int VLayoutPaper::GetRotationIncrease() const
{
    return d->globalRotationIncrease;
}
 
//---------------------------------------------------------------------------------------------------------------------
void VLayoutPaper::SetRotationIncrease(int value)
{
    d->globalRotationIncrease = value;
 
    if ((d->globalRotationIncrease >= 1
         && d->globalRotationIncrease <= 180
         && 360 % d->globalRotationIncrease == 0) == false)
    {
        d->globalRotationIncrease = 180;
    }
 
    d->localRotationIncrease = d->globalRotationIncrease;
}
 
//---------------------------------------------------------------------------------------------------------------------
bool VLayoutPaper::IsSaveLength() const
{
    return d->saveLength;
}
 
//---------------------------------------------------------------------------------------------------------------------
void VLayoutPaper::SetSaveLength(bool value)
{
    d->saveLength = value;
}
 
//---------------------------------------------------------------------------------------------------------------------
void VLayoutPaper::SetPaperIndex(quint32 index)
{
    d->paperIndex = index;
}
 
//---------------------------------------------------------------------------------------------------------------------
bool VLayoutPaper::arrangePiece(const VLayoutPiece &piece, std::atomic_bool &stop)
{
    // First need set size of paper
    if (d->globalContour.GetHeight() <= 0 || d->globalContour.GetWidth() <= 0)
    {
        return false;
    }
 
    if (piece.LayoutEdgesCount() < 3 || piece.pieceEdgesCount() < 3)
    {
        return false;//Not enough edges
    }
 
    if (piece.IsForbidFlipping() && not d->globalRotate)
    { // Compensate forbidden flipping by rotating. 180 degree will be enough.
        d->localRotate = true;
        d->localRotationIncrease = 180;
    }
    else
    { // Return to global values if was changed
        d->localRotate = d->globalRotate;
        d->localRotationIncrease = d->globalRotationIncrease;
    }
 
    d->frame = 0;
 
    return AddToSheet(piece, stop);
}
 
//---------------------------------------------------------------------------------------------------------------------
int VLayoutPaper::Count() const
{
    return d->pieces.count();
}
 
//---------------------------------------------------------------------------------------------------------------------
bool VLayoutPaper::AddToSheet(const VLayoutPiece &piece, std::atomic_bool &stop)
{
    VBestSquare bestResult(d->globalContour.GetSize(), d->saveLength);
    QThreadPool *thread_pool = QThreadPool::globalInstance();
    thread_pool->setExpiryTimeout(1000);
    QVector<VPosition *> threads;
 
    int pieceEdgesCount = 0;
 
    if (d->globalContour.GetContour().isEmpty())
    {
        pieceEdgesCount = piece.pieceEdgesCount();
    }
    else
    {
        pieceEdgesCount = piece.LayoutEdgesCount();
    }
 
    for (int j=1; j <= d->globalContour.GlobalEdgesCount(); ++j)
    {
        for (int i=1; i<= pieceEdgesCount; ++i)
        {
            VPosition *thread = new VPosition(d->globalContour, j, piece, i, &stop, d->localRotate,
                                              d->localRotationIncrease,
                                              d->saveLength);
            //Info for debug
            #ifdef LAYOUT_DEBUG
                thread->setPaperIndex(d->paperIndex);
                thread->setFrame(d->frame);
                thread->setPieceCount(d->pieces.count());
                thread->setPieces(d->pieces);
            #endif
 
            thread->setAutoDelete(false);
            threads.append(thread);
            thread_pool->start(thread);
 
            d->frame = d->frame + 3 + static_cast<quint32>(360/d->localRotationIncrease*2);
        }
    }
 
    // Wait for done
    do
    {
        QCoreApplication::processEvents();
        QThread::msleep(250);
    }
    while(thread_pool->activeThreadCount() > 0 && not stop.load());
 
    if (stop.load())
    {
        qDeleteAll(threads.begin(), threads.end());
        threads.clear();
        return false;
    }
 
    for (int i=0; i < threads.size(); ++i)
    {
        bestResult.NewResult(threads.at(i)->getBestResult());
    }
 
    qDeleteAll(threads.begin(), threads.end());
    threads.clear();
 
    return SaveResult(bestResult, piece);
}
 
//---------------------------------------------------------------------------------------------------------------------
bool VLayoutPaper::SaveResult(const VBestSquare &bestResult, const VLayoutPiece &piece)
{
    if (bestResult.ValidResult())
    {
        VLayoutPiece workDetail = piece;
        workDetail.setTransform(bestResult.Transform());// Don't forget set transform
        workDetail.SetMirror(bestResult.isMirror());
        const QVector<QPointF> newGContour = d->globalContour.UniteWithContour(workDetail, bestResult.GContourEdge(),
                                                                               bestResult.pieceEdge(),
                                                                               bestResult.Type());
        if (newGContour.isEmpty())
        {
            return false;
        }
        d->pieces.append(workDetail);
        d->globalContour.SetContour(newGContour);
 
#ifdef LAYOUT_DEBUG
#   ifdef SHOW_BEST
        VPosition::DrawDebug(d->globalContour, workDetail, UINT_MAX, d->paperIndex, d->pieces.count(), d->pieces);
#   endif
#endif
    }
 
    return bestResult.ValidResult(); // Do we have the best result?
}
 
//---------------------------------------------------------------------------------------------------------------------
QGraphicsRectItem *VLayoutPaper::GetPaperItem(bool autoCrop, bool textAsPaths) const
{
    QGraphicsRectItem *paper;
    if (autoCrop)
    {
        QScopedPointer<QGraphicsScene> scene(new QGraphicsScene());
        QList<QGraphicsItem *> list = getPieceItems(textAsPaths);
        for (int i=0; i < list.size(); ++i)
        {
            scene->addItem(list.at(i));
        }
        const int height = scene->itemsBoundingRect().toRect().height();
        if (d->globalContour.GetHeight() > height) //-V807
        {
            paper = new QGraphicsRectItem(QRectF(0, 0, d->globalContour.GetWidth(), height));
        }
        else
        {
            paper = new QGraphicsRectItem(QRectF(0, 0, d->globalContour.GetWidth(), d->globalContour.GetHeight()));
        }
    }
    else
    {
        paper = new QGraphicsRectItem(QRectF(0, 0, d->globalContour.GetWidth(), d->globalContour.GetHeight()));
    }
    paper->setPen(QPen(Qt::black, 1));
    paper->setBrush(QBrush(Qt::white));
    return paper;
}
 
//---------------------------------------------------------------------------------------------------------------------
QList<QGraphicsItem *> VLayoutPaper::getPieceItems(bool textAsPaths) const
{
    QList<QGraphicsItem *> list;
    for (int i=0; i < d->pieces.count(); ++i)
    {
        list.append(d->pieces.at(i).GetItem(textAsPaths));
    }
    return list;
}
 
//---------------------------------------------------------------------------------------------------------------------
QVector<VLayoutPiece> VLayoutPaper::getPieces() const
{
    return d->pieces;
}
 
//---------------------------------------------------------------------------------------------------------------------
void VLayoutPaper::setPieces(const QList<VLayoutPiece> &pieces)
{
    d->pieces = pieces.toVector();
}
 
//---------------------------------------------------------------------------------------------------------------------
QRectF VLayoutPaper::piecesBoundingRect() const
{
    QRectF rec;
    for (int i=0; i < d->pieces.count(); ++i)
    {
        rec = rec.united(d->pieces.at(i).pieceBoundingRect());
    }
 
    return rec;
}