colorMap.h

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// -*- Mode: C++; tab-width: 2; -*-
// vi: set ts=2:
//
// $Id: colorMap.h,v 1.2.18.1 2007/03/25 21:25:40 oliver Exp $
//

#ifndef BALL_VIEW_DATATYPE_COLORMAP_H
#define BALL_VIEW_DATATYPE_COLORMAP_H

#ifndef BALL_VIEW_DATATYPE_COLORRGBA_H
# include <BALL/VIEW/DATATYPE/colorRGBA.h>
#endif

#ifndef BALL_MATHS_VECTOR4_H
# include <BALL/MATHS/vector4.h>
#endif

#include <vector>

namespace BALL 
{
  namespace VIEW 
  {
    class BALL_VIEW_EXPORT ColorMap
      : public vector<ColorRGBA>
    {
      public:

      BALL_CREATE(ColorMap)

      

      ColorMap();

      ColorMap(Size color_number);
      
      ColorMap(const ColorMap& color_Map);

      ColorMap(Size size, const ColorRGBA& color, bool alpha_blending=false);

      ColorMap(const ColorMap& color_Map, Index from, Index to, bool alpha_blending=false);

      ColorMap(const ColorRGBA* color_array, Size array_size, bool alpha_blending=false);

      virtual ~ColorMap();
      
      
      void createMapJet(const Size color_number);

      void setBaseColors(const ColorRGBA* color_array, Size array_size);

      void setNumberOfColors(const Size color_number);

      Size getNumberOfColors() const;

      void setAlphaBlending(bool blending);

      bool getAlphaBlending() const;

      Size createMap();
      
      void setMinMaxColors(ColorRGBA min, ColorRGBA max);

      void setRange(float min, float max);
    
      ColorRGBA& map(float value);

      const ColorRGBA& map(float value) const;
      
      bool setInterpolationBoundaries(const vector<Vector4>& boundaries);



      virtual void dump(std::ostream& s = std::cout, Size depth = 0) const;

      protected:

      Size      color_number_;
      bool      alpha_blending_;
      ColorRGBA min_color_;
      ColorRGBA max_color_;
      bool      has_min_max_colors_;
      float     min_;
      float     max_;

      vector<Vector4> interpolation_boundaries_; 
    };
  
  } // namespace VIEW
} // namespace BALL

#endif // BALL_VIEW_DATATYPE_COLORMAP_H