HaltonColors.hh

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//=============================================================================
//
//  CLASS HaltonColors (by Marcel Campen)
//
//=============================================================================


#ifndef ACG_HALTONCOLORS_HH
#define ACG_HALTONCOLORS_HH

//== INCLUDES =================================================================


#include <ACG/Math/VectorT.hh>
#include "../Config/ACGDefines.hh"

#include "ColorGenerator.hh"

//== NAMESPACES ===============================================================

namespace ACG {

  //== CLASS DEFINITION =========================================================

class ACGDLLEXPORT HaltonColors : public ColorGenerator {

public:

  HaltonColors(int skip = 250);

  ACG::Vec4f get_next_color();

  virtual ACG::Vec4f generateNextColor();

private:

  float halton(int index);
  float random_interval(int index, float min, float max);
  ACG::Vec4f HSL2RGB(double h, double sl, double l);

  int current[3]; // current Halton index
  int bases[3];   // Halton prime bases
  float inverse_bases[3];
};


  //=============================================================================
} 
//=============================================================================
#endif // ACG_HALTONCOLORS_HH defined
//=============================================================================