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99 lines
2.6 KiB
99 lines
2.6 KiB
/*
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* kis_tool_bezier.h -- part of Chalk
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*
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* Copyright (c) 2006 Emanuele Tamponi <emanuele@valinor.it>
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*
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* This program 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 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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 this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef KIS_TOOL_BEZIER_H_
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#define KIS_TOOL_BEZIER_H_
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#include "kis_tool_factory.h"
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#include "kis_tool_curve.h"
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#include "kis_point.h"
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class CurvePoint;
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class KisPoint;
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class KisCanvas;
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class KisCurve;
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class KisPainter;
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class KisPoint;
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const int BEZIERENDHINT = 0x0010;
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const int BEZIERPREVCONTROLHINT = 0x0020;
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const int BEZIERNEXTCONTROLHINT = 0x0040;
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const int SYMMETRICALCONTROLSOPTION = ALTOPTION;
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const int PREFERCONTROLSOPTION = SHIFTOPTION;
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class KisCurveBezier : public KisCurve {
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typedef KisCurve super;
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void recursiveCurve (const KisPoint& P1, const KisPoint& P2, const KisPoint& P3,
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const KisPoint& P4, int level, iterator it);
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KisPoint midpoint (const KisPoint&, const KisPoint&);
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int m_maxLevel;
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public:
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KisCurveBezier() : super() {m_maxLevel = 5;}
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~KisCurveBezier() {}
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virtual void calculateCurve(iterator, iterator, iterator);
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virtual iterator pushPivot(const KisPoint&);
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virtual iterator movePivot(iterator, const KisPoint&);
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virtual void deletePivot(iterator);
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public:
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iterator groupEndpoint (iterator) const;
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iterator groupPrevControl (iterator) const;
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iterator groupNextControl (iterator) const;
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bool groupSelected (iterator) const;
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iterator nextGroupEndpoint (iterator) const;
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iterator prevGroupEndpoint (iterator) const;
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};
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class KisToolBezier : public KisToolCurve {
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typedef KisToolCurve super;
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Q_OBJECT
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public:
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KisToolBezier(const TQString&);
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virtual ~KisToolBezier();
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protected:
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virtual KisCurve::iterator handleUnderMouse(const TQPoint& pos);
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virtual void drawPivotHandle(KisCanvasPainter& gc, KisCurve::iterator point);
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virtual KisCurve::iterator drawPoint(KisCanvasPainter& gc, KisCurve::iterator point);
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protected:
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KisCurveBezier *m_derivated;
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};
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#endif //__KIS_TOOL_BEZIER_H__
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