71 lines
2.8 KiB
C++
71 lines
2.8 KiB
C++
/************************************************************************
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**
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** @file vabstractcubicbezier.h
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** @author Roman Telezhynskyi <dismine(at)gmail.com>
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** @date 8 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 Valentine 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://bitbucket.org/dismine/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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#ifndef VABSTRACTCUBICBEZIER_H
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#define VABSTRACTCUBICBEZIER_H
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#include "vabstractcurve.h"
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class VPointF;
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class VAbstractCubicBezier : public VAbstractCurve
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{
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public:
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VAbstractCubicBezier(const GOType &type, const quint32 &idObject = NULL_ID, const Draw &mode = Draw::Calculation);
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VAbstractCubicBezier(const VAbstractCubicBezier &curve);
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VAbstractCubicBezier& operator= (const VAbstractCubicBezier &curve);
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virtual ~VAbstractCubicBezier();
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virtual VPointF GetP1 () const =0;
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virtual VPointF GetP2 () const =0;
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virtual VPointF GetP3 () const =0;
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virtual VPointF GetP4 () const =0;
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QPointF CutSpline ( qreal length, QPointF &spl1p2, QPointF &spl1p3, QPointF &spl2p2, QPointF &spl2p3) const;
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virtual QString NameForHistory(const QString &toolName) const Q_DECL_OVERRIDE;
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qreal GetParmT(qreal length) const;
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qreal LengthT(qreal t) const;
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protected:
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virtual void CreateName() Q_DECL_OVERRIDE;
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static qreal CalcSqDistance(qreal x1, qreal y1, qreal x2, qreal y2);
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static void PointBezier_r(qreal x1, qreal y1, qreal x2, qreal y2, qreal x3, qreal y3, qreal x4,
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qreal y4, qint16 level, QVector<qreal> &px, QVector<qreal> &py);
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static QVector<QPointF> GetCubicBezierPoints(const QPointF &p1, const QPointF &p2, const QPointF &p3,
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const QPointF &p4);
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static qreal LengthBezier(const QPointF &p1, const QPointF &p2, const QPointF &p3, const QPointF &p4);
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virtual QPointF GetControlPoint1() const =0;
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virtual QPointF GetControlPoint2() const =0;
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};
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#endif // VABSTRACTCUBICBEZIER_H
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