File indexing completed on 2024-05-05 04:35:17 

0001 /* This file is part of the TikZKit project.
0002  *
0003  * Copyright (C) 2013-2014 Dominik Haumann <dhaumann@kde.org>
0004  *
0005  * This library is free software; you can redistribute it and/or modify
0006  * it under the terms of the GNU Library General Public License as published
0007  * by the Free Software Foundation, either version 2 of the License, or
0008  * (at your option) any later version.
0009  *
0010  * This library is distributed in the hope that it will be useful,
0011  * but WITHOUT ANY WARRANTY; without even the implied warranty of
0012  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0013  * GNU Library General Public License for more details.
0014  *
0015  * You should have received a copy of the GNU Library General Public License
0016  * along with this library; see the file COPYING.LIB.  If not, see
0017  * <http://www.gnu.org/licenses/>.
0018  */
0019 
0020 #ifndef TIKZ_UI_BEZIER_CURVE_H
0021 #define TIKZ_UI_BEZIER_CURVE_H
0022 
0023 #include <QPointF>
0024 #include <QPainterPath>
0025 
0026 #include "tikzui_export.h"
0027 
0028 class TIKZKITUI_EXPORT BezierCurve
0029 {
0030     public:
0031         /**
0032          * Default constructor
0033          */
0034         BezierCurve();
0035 
0036         /**
0037          * Default constructor
0038          */
0039         BezierCurve(const QPointF& p1,
0040                     const QPointF& p2,
0041                     const QPointF& c1,
0042                     const QPointF& c2);
0043 
0044         /**
0045          * Default constructor
0046          */
0047         virtual ~BezierCurve();
0048 
0049         void setP1(const QPointF& p1);
0050         void setP2(const QPointF& p2);
0051         void setC1(const QPointF& c1);
0052         void setC2(const QPointF& c2);
0053 
0054         QPointF p1() const;
0055         QPointF p2() const;
0056         QPointF c1() const;
0057         QPointF c2() const;
0058 
0059         QPointF pointAtPercent(qreal t) const;
0060 
0061         QPainterPath toPath(int samplePoints = 50) const;
0062         QPainterPath toPath(qreal t1, qreal t2, int samplePoints = 50) const;
0063 
0064         BezierCurve subPath(qreal t1, qreal t2) const;
0065 
0066         qreal intersect(const QPainterPath & path);
0067 
0068     private:
0069         QPointF m_p1;
0070         QPointF m_p2;
0071         QPointF m_c1;
0072         QPointF m_c2;
0073 };
0074 
0075 #endif // TIKZ_UI_BEZIER_CURVE_H
0076 
0077 // kate: indent-width 4; replace-tabs on;