valentina/src/libs/vgeometry/vabstractcubicbezier.h

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/************************************************************************
**
** @file vabstractcubicbezier.h
** @author Roman Telezhynskyi <dismine(at)gmail.com>
** @date 8 3, 2016
**
** @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) 2016 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/>.
**
*************************************************************************/
#ifndef VABSTRACTCUBICBEZIER_H
#define VABSTRACTCUBICBEZIER_H
#include "vabstractcurve.h"
class VPointF;
class VAbstractCubicBezier : public VAbstractCurve
{
public:
VAbstractCubicBezier(const GOType &type, const quint32 &idObject = NULL_ID, const Draw &mode = Draw::Calculation);
VAbstractCubicBezier(const VAbstractCubicBezier &curve);
VAbstractCubicBezier& operator= (const VAbstractCubicBezier &curve);
virtual ~VAbstractCubicBezier();
virtual VPointF GetP1 () const =0;
virtual VPointF GetP4 () const =0;
QPointF CutSpline ( qreal length, QPointF &spl1p2, QPointF &spl1p3, QPointF &spl2p2, QPointF &spl2p3) const;
virtual QString NameForHistory(const QString &toolName) const Q_DECL_OVERRIDE;
qreal GetParmT(qreal length) const;
qreal LengthT(qreal t) const;
protected:
virtual void CreateName() Q_DECL_OVERRIDE;
static qreal CalcSqDistance(qreal x1, qreal y1, qreal x2, qreal y2);
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 QVector<QPointF> GetCubicBezierPoints(const QPointF &p1, const QPointF &p2, const QPointF &p3,
const QPointF &p4);
static qreal LengthBezier(const QPointF &p1, const QPointF &p2, const QPointF &p3, const QPointF &p4);
virtual QPointF GetControlPoint1() const =0;
virtual QPointF GetControlPoint2() const =0;
};
#endif // VABSTRACTCUBICBEZIER_H