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https://gitlab.com/smart-pattern/valentina.git
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448 lines
14 KiB
C++
448 lines
14 KiB
C++
/************************************************************************
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**
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** @file vcontour.cpp
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date 21 1, 2015
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**
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** @brief
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** @copyright
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** This source code is part of the Valentina project, a pattern making
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** program, whose allow create and modeling patterns of clothing.
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** Copyright (C) 2013-2015 Valentina project
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** <https://gitlab.com/smart-pattern/valentina> All Rights Reserved.
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**
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** Valentina is free software: you can redistribute it and/or modify
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** it under the terms of the GNU General Public License as published by
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** the Free Software Foundation, either version 3 of the License, or
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** (at your option) any later version.
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**
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** Valentina is distributed in the hope that it will be useful,
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** but WITHOUT ANY WARRANTY; without even the implied warranty of
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** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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** GNU General Public License for more details.
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**
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** You should have received a copy of the GNU General Public License
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** along with Valentina. If not, see <http://www.gnu.org/licenses/>.
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**
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*************************************************************************/
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#include "vcontour.h"
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#include <QLineF>
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#include <QPainterPath>
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#include <QPoint>
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#include <QPointF>
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#include <QPolygonF>
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#include <QRectF>
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#include <QtMath>
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#include "../vgeometry/vgeometrydef.h"
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#include "../vgeometry/vgobject.h"
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#include "vcontour_p.h"
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#include "vlayoutpiece.h"
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namespace
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{
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//---------------------------------------------------------------------------------------------------------------------
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void AppendToContour(QVector<QPointF> &contour, QPointF point)
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{
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if (not contour.isEmpty())
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{
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if (not VFuzzyComparePoints(contour.constLast(), point))
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{
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contour.append(point);
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}
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}
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else
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{
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contour.append(point);
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto OptimizeCombining(const QVector<QPointF> &contour, const QPointF &withdrawEnd) -> QVector<QPointF>
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{
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if (contour.size() < 2)
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{
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return contour;
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}
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QPointF const withdrawFirst = contour.constLast();
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bool optimize = false;
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int count = 0;
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vsizetype cutIndex = -1;
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for (auto i = contour.size() - 2; i >= 0; --i)
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{
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if (not VGObject::IsPointOnLineSegment(contour.at(i), withdrawFirst, withdrawEnd, accuracyPointOnLine * 2))
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{
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optimize = true;
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cutIndex = i + 1;
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break;
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}
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++count;
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}
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if (optimize && count > 0)
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{
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return contour.mid(0, cutIndex + 1);
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}
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return contour;
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}
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} // namespace
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//---------------------------------------------------------------------------------------------------------------------
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VContour::VContour()
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: d(new VContourData())
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{
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}
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//---------------------------------------------------------------------------------------------------------------------
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VContour::VContour(int height, int width, qreal layoutWidth)
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: d(new VContourData(height, width, layoutWidth))
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{
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}
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//---------------------------------------------------------------------------------------------------------------------
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COPY_CONSTRUCTOR_IMPL(VContour)
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//---------------------------------------------------------------------------------------------------------------------
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auto VContour::operator=(const VContour &contour) -> VContour &
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{
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if (&contour == this)
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{
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return *this;
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}
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d = contour.d;
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return *this;
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}
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//---------------------------------------------------------------------------------------------------------------------
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VContour::VContour(VContour &&contour) noexcept
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: d(std::move(contour.d))
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{
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto VContour::operator=(VContour &&contour) noexcept -> VContour &
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{
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std::swap(d, contour.d);
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return *this;
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}
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//---------------------------------------------------------------------------------------------------------------------
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VContour::~VContour() = default;
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//---------------------------------------------------------------------------------------------------------------------
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void VContour::CeateEmptySheetContour()
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{
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if (d->globalContour.isEmpty())
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{
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d->globalContour = CutEmptySheetEdge();
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d->globalContour.append(d->globalContour.constFirst()); // Close path
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ResetAttributes();
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VContour::SetContour(const QVector<QPointF> &contour)
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{
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d->globalContour = contour;
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ResetAttributes();
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto VContour::GetContour() const -> QVector<QPointF>
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{
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return d->globalContour;
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto VContour::GetShift() const -> qreal
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{
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return d->shift;
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VContour::SetShift(qreal shift)
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{
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d->shift = shift;
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ResetAttributes();
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto VContour::GetHeight() const -> int
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{
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return d->paperHeight;
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VContour::SetHeight(int height)
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{
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d->paperHeight = height;
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto VContour::GetWidth() const -> int
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{
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return d->paperWidth;
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VContour::SetWidth(int width)
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{
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d->paperWidth = width;
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto VContour::GetSize() const -> QSizeF
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{
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return {static_cast<qreal>(d->paperWidth), static_cast<qreal>(d->paperHeight)};
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto VContour::UniteWithContour(const VLayoutPiece &detail, int globalI, int detJ, BestFrom type) const
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-> QVector<QPointF>
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{
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QVector<QPointF> newContour;
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if (d->globalContour.isEmpty()) //-V807
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{
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AppendWhole(newContour, detail, 0);
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}
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else
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{
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if (globalI <= 0 || globalI > GlobalEdgesCount())
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{
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return {};
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}
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if (detJ <= 0 || detJ > detail.LayoutEdgesCount())
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{
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return {};
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}
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int i = 0;
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while (i < d->globalContour.count())
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{
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AppendToContour(newContour, d->globalContour.at(i));
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if (type == BestFrom::Rotation)
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{
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if (i == globalI)
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{
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AppendWhole(newContour, detail, detJ);
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}
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}
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else
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{
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if (i == globalI - 1)
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{
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InsertDetail(newContour, detail, detJ);
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}
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}
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++i;
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}
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}
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return newContour;
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto VContour::GlobalEdgesCount() const -> vsizetype
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{
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return d->m_emptySheetEdgesCount;
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto VContour::GlobalEdge(int i) const -> QLineF
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{
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QLineF edge;
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if (d->globalContour.isEmpty()) //-V807
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{
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// Because sheet is blank we have one global edge for all cases.
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if (i < 1 || i > GlobalEdgesCount())
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{ // Doesn't exist such edge
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return EmptySheetEdge();
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}
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const QLineF emptyEdge = EmptySheetEdge();
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const qreal nShift = emptyEdge.length() / static_cast<int>(GlobalEdgesCount());
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edge = IsPortrait() ? QLineF(nShift * (i - 1) + emptyEdge.x1(), emptyEdge.y1(), nShift * i + emptyEdge.x1(),
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emptyEdge.y2())
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: QLineF(emptyEdge.x1(), nShift * (i - 1) + emptyEdge.y1(), emptyEdge.x2(),
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nShift * i + emptyEdge.y1());
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}
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else
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{
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if (i < 1 || i > GlobalEdgesCount())
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{ // Doesn't exist such edge
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return {};
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}
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if (i < GlobalEdgesCount())
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{
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edge = QLineF(d->globalContour.at(i - 1), d->globalContour.at(i));
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}
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else
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{ // Closed contour
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edge = QLineF(d->globalContour.at(GlobalEdgesCount() - 1), d->globalContour.at(0));
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}
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}
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return edge;
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto VContour::CutEdge(const QLineF &edge) const -> QVector<QPointF>
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{
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QVector<QPointF> points;
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if (qFuzzyIsNull(d->shift))
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{
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points.append(edge.p1());
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points.append(edge.p2());
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}
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else
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{
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const int n = qFloor(edge.length() / d->shift);
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if (n <= 0)
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{
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points.append(edge.p1());
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points.append(edge.p2());
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}
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else
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{
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points.reserve(n);
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const qreal nShift = edge.length() / n;
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for (int i = 1; i <= n + 1; ++i)
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{
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QLineF l1 = edge;
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l1.setLength(nShift * (i - 1));
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points.append(l1.p2());
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}
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}
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}
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return points;
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto VContour::CutEmptySheetEdge() const -> QVector<QPointF>
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{
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QVector<QPointF> points;
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points.reserve(GlobalEdgesCount() + 1);
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const qreal nShift = EmptySheetEdge().length() / static_cast<int>(GlobalEdgesCount());
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for (int i = 1; i <= GlobalEdgesCount() + 1; ++i)
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{
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QLineF l1 = EmptySheetEdge();
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l1.setLength(nShift * (i - 1));
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points.append(l1.p2());
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}
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return points;
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto VContour::at(int i) const -> const QPointF &
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{
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return d->globalContour.at(i);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VContour::AppendWhole(QVector<QPointF> &contour, const VLayoutPiece &detail, int detJ) const
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{
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int processedEdges = 0;
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const auto nD = detail.LayoutEdgesCount();
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int j = detJ;
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contour = OptimizeCombining(contour, detail.LayoutEdge(j).p2());
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do
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{
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if (j >= nD)
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{
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j = 0;
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}
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for (auto &point : CutEdge(detail.LayoutEdge(j + 1)))
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{
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AppendToContour(contour, point);
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}
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++processedEdges;
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++j;
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} while (processedEdges < nD);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VContour::InsertDetail(QVector<QPointF> &contour, const VLayoutPiece &detail, int detJ) const
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{
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int processedEdges = 0;
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const auto nD = detail.LayoutEdgesCount();
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int j = detJ;
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contour = OptimizeCombining(contour, detail.LayoutEdge(j).p2());
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do
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{
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if (j >= nD)
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{
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j = 0;
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}
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if (j != detJ - 1)
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{
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for (auto &point : CutEdge(detail.LayoutEdge(j + 1)))
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{
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AppendToContour(contour, point);
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}
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}
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++processedEdges;
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++j;
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} while (processedEdges < nD);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VContour::ResetAttributes()
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{
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if (not d->globalContour.isEmpty())
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{
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d->m_emptySheetEdgesCount = d->globalContour.count(); // Edges count
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}
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else
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{
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d->m_emptySheetEdgesCount = EmptySheetEdgesCount(); // Edges count
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}
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto VContour::EmptySheetEdgesCount() const -> int
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{
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qreal defaultShift = ToPixel(0.5, Unit::Cm);
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const qreal emptyEdgeLength = EmptySheetEdge().length();
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if (emptyEdgeLength < defaultShift)
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{
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defaultShift = emptyEdgeLength / 2.0;
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}
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const qreal shift = (qFuzzyIsNull(d->shift) || d->shift > defaultShift) ? defaultShift : d->shift;
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return qFloor(emptyEdgeLength / shift);
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto VContour::IsPortrait() const -> bool
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{
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return d->paperHeight >= d->paperWidth;
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto VContour::EmptySheetEdge() const -> QLineF
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{
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const int offset = qRound(accuracyPointOnLine * 4.);
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const int layoutOffset = qCeil(d->layoutWidth - accuracyPointOnLine * 2.);
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return IsPortrait() ? QLineF(offset, -layoutOffset, d->paperWidth - offset, -layoutOffset)
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: QLineF(-layoutOffset, offset, -layoutOffset, d->paperHeight - offset);
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}
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