ColorFilterStrategyIntensity.h

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/******************************************************************************************************
 * (C) 2014 markummitchell@github.com. This file is part of Engauge Digitizer, which is released      *
 * under GNU General Public License version 2 (GPLv2) or (at your option) any later version. See file *
 * LICENSE or go to gnu.org/licenses for details. Distribution requires prior written permission.     *
 ******************************************************************************************************/
 
#ifndef COLOR_FILTER_STRATEGY_INTENSITY_H
#define COLOR_FILTER_STRATEGY_INTENSITY_H
 
#include "ColorFilterStrategyAbstractBase.h"
 
class ColorFilterStrategyIntensity : public ColorFilterStrategyAbstractBase
{
 public:
  ColorFilterStrategyIntensity();
 
  virtual ~ColorFilterStrategyIntensity();
 
  virtual double pixelToZeroToOne  (const QColor &pixel,
                                    QRgb rgbBackground) const;
  virtual int zeroToOneToValue (double s) const;
 
};
 
#endif // COLOR_FILTER_STRATEGY_INTENSITY_H