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filterpixel8.h

/**********************************************************************************
* Copyright (c) 2003, Matthias Bader and Christoph Rueegg <opendev@cdrnet.ch>     *
* All rights reserved.                                                            *
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* Project Website: http://www.cdrnet.net/projects/painter/                        *
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* are permitted provided that the following conditions are met:                   *
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* this list of conditions and the following disclaimer.                           *
*                                                                                 *
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#ifndef __FILTERPIXEL8_H__
#define __FILTERPIXEL8_H__

#define PIX8_LOWLIM 40
#define PIX8_MEDLIM 200
#define PIX8_HIGLIM 500

#include "../filter/filter.cpp"

class Pixel8Filter: public ChannelFilter<unsigned char>
{
private:
  Channel<int> *alreadyChanged2, *alreadyChanged4, *alreadyChanged8;
  Channel<int> *average2, *average4, *average8;
protected:
  void AnalyzeArea(int *devitation, int *averenge, int x, int y, int size);
  void Analyze8x8Area(int x, int y);
  void DrawPixel(int x, int y, int size, int average, int borderIntensityPercent);
public:
  Pixel8Filter();
  virtual ~Pixel8Filter();
  void OnMouseEvent(const int button, const int state, int x, int y);
  ChannelFilter<unsigned char>* EmptyClone();
};

#endif

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