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https://gitlab.com/smart-pattern/valentina.git
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346 lines
11 KiB
C++
346 lines
11 KiB
C++
/************************************************************************
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**
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** @file vabstractcubicbezierpath.cpp
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date 16 3, 2016
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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) 2016 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 "vabstractcubicbezierpath.h"
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#include "vsplinepoint.h"
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#include <QPainterPath>
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#include <QtDebug>
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#include "../ifc/exception/vexception.h"
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#include "../ifc/ifcdef.h"
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#include "../vmisc/def.h"
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#include "vabstractapplication.h"
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#include "vpointf.h"
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#include "vspline.h"
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#if QT_VERSION < QT_VERSION_CHECK(6, 4, 0)
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#include "../vmisc/compatibility.h"
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#endif
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using namespace Qt::Literals::StringLiterals;
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//---------------------------------------------------------------------------------------------------------------------
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VAbstractCubicBezierPath::VAbstractCubicBezierPath(const GOType &type, const quint32 &idObject, const Draw &mode)
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: VAbstractBezier(type, idObject, mode)
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{
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto VAbstractCubicBezierPath::operator=(const VAbstractCubicBezierPath &curve) -> VAbstractCubicBezierPath &
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{
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if (&curve == this)
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{
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return *this;
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}
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VAbstractBezier::operator=(curve);
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return *this;
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}
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//---------------------------------------------------------------------------------------------------------------------
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VAbstractCubicBezierPath::~VAbstractCubicBezierPath()
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{
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief GetPath return QPainterPath which reprezent spline path.
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* @return path.
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*/
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auto VAbstractCubicBezierPath::GetPath() const -> QPainterPath
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{
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QPainterPath painterPath;
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for (qint32 i = 1; i <= CountSubSpl(); ++i)
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{
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painterPath.addPath(GetSpline(i).GetPath());
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}
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return painterPath;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief GetPathPoints return list of points what located on path.
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* @return list.
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*/
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auto VAbstractCubicBezierPath::GetPoints() const -> QVector<QPointF>
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{
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QVector<QPointF> pathPoints;
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for (qint32 i = 1; i <= CountSubSpl(); ++i)
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{
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if (not pathPoints.isEmpty())
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{
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pathPoints.removeLast();
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}
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pathPoints += GetSpline(i).GetPoints();
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}
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return pathPoints;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief GetLength return length of spline path.
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* @return length.
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*/
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auto VAbstractCubicBezierPath::GetLength() const -> qreal
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{
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qreal length = 0;
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for (qint32 i = 1; i <= CountSubSpl(); ++i)
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{
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length += GetSpline(i).GetLength();
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}
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return length;
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto VAbstractCubicBezierPath::DirectionArrows() const -> QVector<DirectionArrow>
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{
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QVector<DirectionArrow> arrows;
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for (qint32 i = 1; i <= CountSubSpl(); ++i)
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{
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arrows += GetSpline(i).DirectionArrows();
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}
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return arrows;
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}
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//---------------------------------------------------------------------------------------------------------------------
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auto VAbstractCubicBezierPath::Segment(const QPointF &p) const -> int
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{
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int index = -1;
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for (qint32 i = 1; i <= CountSubSpl(); ++i)
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{
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const qreal t = GetSpline(i).ParamT(p);
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if (qFuzzyIsNull(t) || not qFuzzyCompare(t, -1))
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{
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index = i;
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break;
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}
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}
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return index;
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief CutSplinePath cut spline path into two. This method don't return two spline path. You must create spline
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* paths by yourself.
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* Example:
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* QPointF spl1p2, spl1p3, spl2p2, spl2p3;
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* qint32 p1 = 0, p2 = 0;
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* QPointF point = splPath->CutSplinePath(length, p1, p2, spl1p2, spl1p3, spl2p2, spl2p3);
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*
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* VSplinePoint splP1 = splPath->at(p1);
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* VSplinePoint splP2 = splPath->at(p2);
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* VSpline spl1 = VSpline(splP1.P(), spl1p2, spl1p3, *p, splPath->GetKCurve());
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* VSpline spl2 = VSpline(*p, spl2p2, spl2p3, splP2.P(), splPath->GetKCurve());
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* @param length length first spline path.
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* @param p1 index first spline point in list.
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* @param p2 index second spline point in list.
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* @param spl1p2 first control point first spline.
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* @param spl1p3 second control point first spline.
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* @param spl2p2 first control point second spline.
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* @param spl2p3 second control point second spline.
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* @param pointName cutting point name.
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* @return cutting point.
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*/
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auto VAbstractCubicBezierPath::CutSplinePath(qreal length, qint32 &p1, qint32 &p2, QPointF &spl1p2, QPointF &spl1p3,
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QPointF &spl2p2, QPointF &spl2p3, const QString &pointName) const
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-> QPointF
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{
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if (CountSubSpl() < 1)
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{
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throw VException(tr("Can't cut this spline"));
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}
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// Always need return two spline paths, so we must correct wrong length.
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qreal fullLength = GetLength();
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if (qFuzzyIsNull(fullLength))
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{
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spl1p2 = spl1p3 = spl2p2 = spl2p3 = QPointF();
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return {};
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}
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if (length < 0)
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{
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length = fullLength + length;
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}
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if (length < 0)
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{
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QString errorMsg;
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if (not pointName.isEmpty())
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{
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errorMsg = tr("Curve '%1'. Length of a cut segment (%2) is too small. Optimize it to minimal value.")
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.arg(name(), pointName);
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}
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else
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{
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errorMsg =
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tr("Curve '%1'. Length of a cut segment is too small. Optimize it to minimal value.").arg(name());
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}
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VAbstractApplication::VApp()->IsPedantic()
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? throw VException(errorMsg)
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: qWarning() << VAbstractApplication::warningMessageSignature + errorMsg;
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}
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else if (length > fullLength)
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{
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QString errorMsg;
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if (not pointName.isEmpty())
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{
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errorMsg = tr("Curve '%1'. Length of a cut segment (%2) is too big. Optimize it to maximal value.")
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.arg(name(), pointName);
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}
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else
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{
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errorMsg = tr("Curve '%1'. Length of a cut segment is too big. Optimize it to maximal value.").arg(name());
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}
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VAbstractApplication::VApp()->IsPedantic()
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? throw VException(errorMsg)
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: qWarning() << VAbstractApplication::warningMessageSignature + errorMsg;
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}
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length = qBound(0.0, length, fullLength);
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fullLength = 0;
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for (qint32 i = 1; i <= CountSubSpl(); ++i)
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{
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const VSpline spl = GetSpline(i);
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const qreal splLength = spl.GetLength();
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fullLength += splLength;
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if (fullLength >= length)
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{
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p1 = i - 1;
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p2 = i;
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const QPointF point =
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spl.CutSpline(length - (fullLength - splLength), spl1p2, spl1p3, spl2p2, spl2p3, pointName);
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const QVector<VSplinePoint> points = GetSplinePath();
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if (p1 > 0)
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{
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const VSplinePoint &splP1 = points.at(p1);
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QLineF const line(splP1.P().toQPointF(), spl1p2);
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if (qFuzzyIsNull(line.length()))
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{
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spl1p2.rx() += ToPixel(0.1, Unit::Mm);
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QLineF line(splP1.P().toQPointF(), spl1p2);
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line.setLength(ToPixel(0.1, Unit::Mm));
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line.setAngle(splP1.Angle1() + 180);
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spl1p2 = line.p2();
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}
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}
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if (p2 < points.size() - 1)
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{
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const VSplinePoint &splP2 = points.at(p2);
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QLineF const line(splP2.P().toQPointF(), spl2p3);
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if (qFuzzyIsNull(line.length()))
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{
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spl2p3.rx() += ToPixel(0.1, Unit::Mm);
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QLineF line(splP2.P().toQPointF(), spl2p3);
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line.setAngle(splP2.Angle2() + 180);
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spl2p3 = line.p2();
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}
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}
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return point;
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}
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}
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p1 = p2 = -1;
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spl1p2 = spl1p3 = spl2p2 = spl2p3 = QPointF();
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return {};
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}
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//---------------------------------------------------------------------------------------------------------------------
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/**
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* @brief NameForHistory helps to create name for dialog History.
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* @param toolName first part of name. Like 'Spline path' or 'Cubic Bezier path'.
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* @return name of curve for history records.
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*/
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auto VAbstractCubicBezierPath::NameForHistory(const QString &toolName) const -> QString
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{
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QString name = toolName;
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if (CountPoints() > 0)
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{
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name += u" %1"_s.arg(FirstPoint().name());
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if (CountSubSpl() >= 1)
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{
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name += u"_%1"_s.arg(LastPoint().name());
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}
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if (GetDuplicate() > 0)
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{
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name += u"_%1"_s.arg(GetDuplicate());
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}
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}
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QString alias;
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if (not GetAliasSuffix().isEmpty())
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{
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alias = u"%1 %2"_s.arg(toolName, GetAliasSuffix());
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}
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return not alias.isEmpty() ? u"%1 (%2)"_s.arg(alias, name) : name;
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VAbstractCubicBezierPath::CreateName()
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{
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QString name;
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if (CountPoints() > 0)
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{
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name = splPath;
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name.append(u"_%1"_s.arg(FirstPoint().name()));
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if (CountSubSpl() >= 1)
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{
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name.append(u"_%1"_s.arg(LastPoint().name()));
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if (GetDuplicate() > 0)
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{
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name += u"_%1"_s.arg(GetDuplicate());
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}
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}
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}
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setName(name);
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}
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//---------------------------------------------------------------------------------------------------------------------
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void VAbstractCubicBezierPath::CreateAlias()
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{
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const QString aliasSuffix = GetAliasSuffix();
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if (aliasSuffix.isEmpty())
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{
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SetAlias(QString());
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return;
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}
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SetAlias(splPath + '_'_L1 + aliasSuffix);
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}
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