mlLUTBasic.h

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/*************************************************************************************
**
** Copyright 2007, MeVis Medical Solutions AG
**
** The user may use this file in accordance with the license agreement provided with
** the Software or, alternatively, in accordance with the terms contained in a
** written agreement between the user and MeVis Medical Solutions AG.
**
** For further information use the contact form at https://www.mevislab.de/contact
**
**************************************************************************************/
 
#ifndef ML_LUTBASIC_H
#define ML_LUTBASIC_H
 
 
 
#include "mlLUTSystem.h"
 
// ML includes
#include <mlTypeTraits.h>
 
 
ML_START_NAMESPACE
 
 
typedef enum {
  LUT_L = 0,  
  LUT_LA,     
  LUT_RGB,    
  LUT_RGBA,   
 
  // Reordered variants of the above, used in LUTData
  LUT_BGR,    
  LUT_ABGR,   
 
  // Constant counts
  LUT_NUM_VISUAL_TYPE_LAYOUTS,         
  LUT_NUM_VISUAL_TYPES = LUT_RGBA+1    
 
} LUTVisualType;
 
 
MLLUT_EXPORT extern const char *LUTVisualTypeName[LUT_NUM_VISUAL_TYPE_LAYOUTS];
 
 
MLLUT_EXPORT int LUTNumberOfChannels (LUTVisualType visualType);
 
MLLUT_EXPORT LUTVisualType LUTReducedVisualType (LUTVisualType visualType);
 
MLLUT_EXPORT int LUTAlphaChannelIndex (LUTVisualType visualType);
 
MLLUT_EXPORT double LUTConvertRGBtoL (double r, double g, double b);
 
 
template <typename T>
inline T LUTCastFromDouble(double value) {
  if (TypeTraits<T>::isBuiltInIntegerType) {
    return static_cast<T>(floor(value+0.5));
  } else {
    return static_cast<T>(value);
  }
}
 
 
 
typedef enum {
  LUT_1D = 1, 
  LUT_2D,     
  LUT_3D      
} LUTDimensionality;
 
 
ML_END_NAMESPACE
 
 
#endif
// __mlLUTBasic_H