krita

kis_boundary.h

00001 /*
00002  *  Copyright (c) 2005 Bart Coppens <kde@bartcoppens.be>
00003  *
00004  *  This program is free software; you can redistribute it and/or modify
00005  *  it under the terms of the GNU General Public License as published by
00006  *  the Free Software Foundation; either version 2 of the License, or
00007  *  (at your option) any later version.
00008  *
00009  *  This program is distributed in the hope that it will be useful,
00010  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00011  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00012  *  GNU General Public License for more details.
00013  *
00014  *  You should have received a copy of the GNU General Public License
00015  *  along with this program; if not, write to the Free Software
00016  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
00017  */
00018 #ifndef _KIS_BOUNDARY_H_
00019 #define _KIS_BOUNDARY_H_
00020 
00021 #include <qvaluelist.h>
00022 #include <qpair.h>
00023 #include <koffice_export.h>
00024 
00025 #include "kis_point.h"
00026 
00027 class KisPaintDevice;
00028 
00037 class KRITACORE_EXPORT KisBoundary {
00038 public:
00039     KisBoundary(KisPaintDevice* dev);
00040     void generateBoundary(int w, int h);
00041 
00042 private:
00043     typedef QPair<KisPoint, int> PointPair; // int->length
00044     bool isDark(Q_UINT8 val);
00045     KisPaintDevice* m_device;
00046     int m_fuzzyness;
00047 
00048     typedef QValueList<PointPair> PointPairList;
00049     typedef QValueList< PointPairList > PointPairListList;
00050 
00051     PointPairListList m_horSegments;
00052     PointPairListList m_vertSegments;
00053 
00054     friend class KisBoundaryPainter;
00055 };
00056 
00057 #endif // _KIS_BOUNDARY_H_
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