diff options
Diffstat (limited to 'chalk/plugins/tools/tool_curves/kis_tool_bezier.h')
-rw-r--r-- | chalk/plugins/tools/tool_curves/kis_tool_bezier.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/chalk/plugins/tools/tool_curves/kis_tool_bezier.h b/chalk/plugins/tools/tool_curves/kis_tool_bezier.h new file mode 100644 index 00000000..e1e0521a --- /dev/null +++ b/chalk/plugins/tools/tool_curves/kis_tool_bezier.h @@ -0,0 +1,98 @@ +/* + * kis_tool_bezier.h -- part of Chalk + * + * Copyright (c) 2006 Emanuele Tamponi <emanuele@valinor.it> + * + * This program 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 2 of the License, or + * (at your option) any later version. + * + * This program 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 this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#ifndef KIS_TOOL_BEZIER_H_ +#define KIS_TOOL_BEZIER_H_ + +#include "kis_tool_factory.h" +#include "kis_tool_curve.h" +#include "kis_point.h" + +class CurvePoint; +class KisPoint; +class KisCanvas; +class KisCurve; +class KisPainter; +class KisPoint; + +const int BEZIERENDHINT = 0x0010; +const int BEZIERPREVCONTROLHINT = 0x0020; +const int BEZIERNEXTCONTROLHINT = 0x0040; + +const int SYMMETRICALCONTROLSOPTION = ALTOPTION; +const int PREFERCONTROLSOPTION = SHIFTOPTION; + +class KisCurveBezier : public KisCurve { + + typedef KisCurve super; + + void recursiveCurve (const KisPoint& P1, const KisPoint& P2, const KisPoint& P3, + const KisPoint& P4, int level, iterator it); + KisPoint midpoint (const KisPoint&, const KisPoint&); + + int m_maxLevel; + +public: + + KisCurveBezier() : super() {m_maxLevel = 5;} + + ~KisCurveBezier() {} + + virtual void calculateCurve(iterator, iterator, iterator); + virtual iterator pushPivot(const KisPoint&); + virtual iterator movePivot(iterator, const KisPoint&); + virtual void deletePivot(iterator); + +public: + + iterator groupEndpoint (iterator) const; + iterator groupPrevControl (iterator) const; + iterator groupNextControl (iterator) const; + + bool groupSelected (iterator) const; + + iterator nextGroupEndpoint (iterator) const; + iterator prevGroupEndpoint (iterator) const; + +}; + +class KisToolBezier : public KisToolCurve { + + typedef KisToolCurve super; + Q_OBJECT + TQ_OBJECT + +public: + KisToolBezier(const TQString&); + virtual ~KisToolBezier(); + +protected: + + virtual KisCurve::iterator handleUnderMouse(const TQPoint& pos); + virtual void drawPivotHandle(KisCanvasPainter& gc, KisCurve::iterator point); + virtual KisCurve::iterator drawPoint(KisCanvasPainter& gc, KisCurve::iterator point); + +protected: + + KisCurveBezier *m_derivated; + +}; + +#endif //__KIS_TOOL_BEZIER_H__ |