Palette.hpp

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#ifndef _PALETTE_HPP_
#define _PALETTE_HPP_
 
#include <config.h>
#include <string>
#include <util/gl.h>
#include <util/color.h>
#include <util/watchdog.h>
 
namespace util {
  class Palette : public FileObject {
  public:
    typedef util::Color<GLfloat> Color;
 
    Palette(std::string filename);
 
    Palette();
 
    void reread();
 
    Color getColor(unsigned int index, double alpha = 1) const;
    Color getColor(unsigned int ind1, unsigned int ind2, double w, double alpha = 1) const;
    void  useColor(unsigned int index, double alpha = 1) const;
    void blend(unsigned int ind1, unsigned int ind2, double w, double alpha = 1) const;
 
    static Color blend(const Color& c1, const Color& c2, double w);
 
    void select(unsigned int start, unsigned int end, double w, double alpha = 1) const;
 
    Color selectColor(unsigned int start, unsigned int end, double w, double alpha = 1) const;
 
 
  private:
    Color colors[256];
  };
}
 
#endif