ColorCoder.hh

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//=============================================================================
//
//  CLASS ColorCoder
//
//=============================================================================

#ifndef ACG_COLORCODER_HH
#define ACG_COLORCODER_HH

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

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

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

namespace ACG {

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

class ACGDLLEXPORT ColorCoder {
public:

  ColorCoder(float _min = 0.0, float _max = 1.0, bool _signed = false);

  void set_range(float _min, float _max, bool _signed);

  ACG::Vec4uc color4(float _v) const;

  ACG::Vec3uc color(float _v) const;

  ACG::Vec3f color_float(float _v) const;

  ACG::Vec4f color_float4(float _v) const;

  QColor color_qcolor(float _v) const;

  float min() const;

  float max() const;

  // Make the color coder usable as a function operator.
  inline ACG::Vec4f operator() (float _v) const {
      return color_float4(_v);
  }

private:

  ACG::Vec4uc color_unsigned(float _v) const;
  ACG::Vec4uc color_signed(float _v) const;

  float val0_, val1_, val2_, val3_, val4_;
  bool signed_mode_;
};

//=============================================================================
}// namespace ACG
//=============================================================================
#endif // ACG_COLORCODER_HH defined
//=============================================================================