PbNonLinearDataMapping.h

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/*=======================================================================
** Author      : VSG (MMM YYYY)
**=======================================================================*/
 
#ifndef  _PB_NON_LINEAR_DATA_MAPPING_
#define  _PB_NON_LINEAR_DATA_MAPPING_
 
#include <MeshViz/graph/PbDataMapping.h>
 
class  PbNonLinearDataMapping : public PbDataMapping {
 
 public:
 
  typedef const SbColor* RGBFunction(void* userData, float);
 
  typedef const float* HLSFunction(void* userData, float);
 
  typedef float TransparencyFunction(void* userData, float);
 
  PbNonLinearDataMapping() ;
 
  void setRGBFunction(RGBFunction* func, void* userData) ;
 
  void setRGBFunction(const SbColor* (*func)(float)) ;
 
  void setHLSFunction(HLSFunction* func, void* userData) ;
 
  void setHLSFunction(const float* (*func)(float)) ;
 
  void setTransparencyFunction(TransparencyFunction* func, void* userData) ;
 
  void setTransparencyFunction(float (*func)(float));
 
  /*---------------------------------------------------------------------------*/
 private:
  virtual ClassType getClassType() const
    { return NON_LINEAR_DATA_MAPPING1 ;}
 
 private:
 
  const SbColor* computeColor(float value) const;
  const SbColor* computeColor(float value, float &transparency) const;
  
  static const SbColor* defaultColorFunc(float value) ;
  // Default color function
 
  static float defaultTransparencyFunction(float value) ;
  // Default transp. function
 
  const   SbColor* (*m_RGBFunc)(float) ;
  const   float* (*m_HLSFunc)(float) ;
  float (*m_TransparencyFunc)(float) ;
  
  const   SbColor* (*m_RGBFunc2)(void*, float) ;
  const   float* (*m_HLSFunc2)(void*, float) ;
  float (*m_TransparencyFunc2)(void*, float) ;
  
  void * m_RGBUserData;
  void * m_HLSUserData;
  void * m_TransparencyUserData;
} ;
 
/*----------------------------------------------------------------------------*/
 
#endif /* _PB_NON_LINEAR_DATA_MAPPING_  */