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107 lines
3.1 KiB
107 lines
3.1 KiB
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/*
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Copyright (c) 2003,2004,2005 Clarence Dang <dang@kde.org>
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef __kpfloodfill_h__
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#define __kpfloodfill_h__
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#include <tqimage.h>
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#include <tqvaluelist.h>
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#include <tqvaluevector.h>
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#include <kpcolor.h>
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class TQPixmap;
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class kpFloodFill
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{
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public:
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kpFloodFill (TQPixmap *pixmap, int x, int y,
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const kpColor &color,
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int processedColorSimilarity);
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~kpFloodFill ();
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int size () const;
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kpColor color () const { return m_color; }
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int processedColorSimilarity () const { return m_processedColorSimilarity; }
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// you should call [prepareColorToChange(),[prepare(),[fill()]]]
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bool prepareColorToChange ();
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// (only valid after prepareColorToChange())
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kpColor colorToChange () const { return m_colorToChange; };
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bool prepare ();
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TQRect boundingRect () const; // only valid after prepare()
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bool fill ();
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private:
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TQPixmap *m_pixmapPtr;
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int m_x, m_y;
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kpColor m_color;
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int m_processedColorSimilarity;
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int m_initState;
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TQRect m_boundingRect;
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struct FillLine
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{
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FillLine (int y = -1, int x1 = -1, int x2 = -1)
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: m_y (y), m_x1 (x1), m_x2 (x2)
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{
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}
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static int size ()
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{
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return sizeof (FillLine);
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}
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int m_y, m_x1, m_x2;
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};
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int fillLinesListSize (const TQValueList <kpFloodFill::FillLine> &fillLines) const;
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void addLine (int y, int x1, int x2);
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kpColor pixelColor (int x, int y, bool *beenHere = 0) const;
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bool shouldGoTo (int x, int y) const;
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void findAndAddLines (const FillLine &fillLine, int dy);
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int findMinX (int y, int x) const;
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int findMaxX (int y, int x) const;
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TQValueList <FillLine> m_fillLines;
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// Init info
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TQImage m_image;
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TQValueVector < TQValueList <FillLine> > m_fillLinesCache;
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kpColor m_colorToChange;
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};
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#endif // __kpfloodfill_h__
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