valentina/src/app/geometry/vspline.h

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/************************************************************************
**
** @file vspline.h
** @author Roman Telezhynskyi <dismine(at)gmail.com>
** @date November 15, 2013
**
** @brief
** @copyright
** This source code is part of the Valentine project, a pattern making
** program, whose allow create and modeling patterns of clothing.
** Copyright (C) 2013 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/>.
**
*************************************************************************/
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#ifndef VSPLINE_H
#define VSPLINE_H
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#include "vabstractcurve.h"
#include "vpointf.h"
#include <QLineF>
#include <QPointF>
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class QPainterPath;
class VSplineData;
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#define M_2PI 6.28318530717958647692528676655900576
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/**
* @brief VSpline class that implements the spline.
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*/
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class VSpline :public VAbstractCurve
{
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public:
VSpline();
VSpline (const VSpline &spline );
VSpline (VPointF p1, VPointF p4, qreal angle1, qreal angle2, qreal kAsm1, qreal kAsm2, qreal kCurve,
quint32 idObject = 0, Draw mode = Draw::Calculation);
VSpline (VPointF p1, QPointF p2, QPointF p3, VPointF p4, qreal kCurve, quint32 idObject = 0,
Draw mode = Draw::Calculation);
virtual ~VSpline();
VSpline &operator=(const VSpline &spl);
VPointF GetP1 () const;
QPointF GetP2 () const;
QPointF GetP3 () const;
VPointF GetP4 () const;
qreal GetAngle1 () const;
qreal GetAngle2() const;
qreal GetLength () const;
qreal GetKasm1() const;
qreal GetKasm2() const;
qreal GetKcurve() const;
void SetKcurve(qreal factor);
qreal LengthT(qreal t) const;
QPointF CutSpline ( qreal length, QPointF &spl1p2, QPointF &spl1p3, QPointF &spl2p2, QPointF &spl2p3) const;
QPointF CutSpline ( qreal length, VSpline &spl1, VSpline &spl2) const;
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QVector<QPointF> GetPoints () const;
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// cppcheck-suppress unusedFunction
static QVector<QPointF> SplinePoints(const QPointF &p1, const QPointF &p4, qreal angle1, qreal angle2, qreal kAsm1,
qreal kAsm2, qreal kCurve);
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protected:
static QVector<QPointF> GetPoints (const QPointF &p1, const QPointF &p2, const QPointF &p3, const QPointF &p4 );
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private:
QSharedDataPointer<VSplineData> d;
static qreal LengthBezier (const QPointF &p1, const QPointF &p2, const QPointF &p3, const QPointF &p4 );
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static void PointBezier_r ( qreal x1, qreal y1, qreal x2, qreal y2, qreal x3, qreal y3, qreal x4, qreal y4,
qint16 level, QVector<qreal> &px, QVector<qreal> &py);
static qreal CalcSqDistance ( qreal x1, qreal y1, qreal x2, qreal y2);
void CreateName();
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};
#endif // VSPLINE_H