SbColor.h

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/*=======================================================================
 * Copyright 1991-1996, Silicon Graphics, Inc.
 * ALL RIGHTS RESERVED
 *
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 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or
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 * Supplement.  Contractor/manufacturer is Silicon Graphics, Inc.,
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 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY
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**=======================================================================*/
/*=======================================================================
** Author      : Alain Dumesny (MMM yyyy)
**=======================================================================*/
/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
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 ***                        BORDEAUX, FRANCE                                        ***
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**=======================================================================*/
/*=======================================================================
** Modified by : VSG (MMM YYYY)
**=======================================================================*/
 
 
#ifndef  _SB_COLOR_H_
#define  _SB_COLOR_H_
 
#include <Inventor/SbLinear.h>
 
 
//
//  Class: SbColor
//
//  3D vector used to represent an RGB color. Each component of the vector is 
// a floating-point number between 0.0 and 1.0 .
//
 
class SbColor;
 
class  SbColor : public SbVec3f {
 public:
  SbColor();
 
  SbColor(const SbVec3f vec3f) 
    { setValue(vec3f.getValue()); }
 
  SbColor(const float rgb[3])
    { setValue(rgb); }
 
  SbColor(float r, float g, float b)
    { setValue(r, g, b); }
 
  //
  // HSV routines. Those are 3 floats containing the Hue, Saturation and
  // Value (same as brightness) of the color.
  //
 
  SbColor &   setHSVValue(float h, float s, float v);
 
  SbColor &   setHSVValue(const float hsv[3])
    { return setHSVValue(hsv[0], hsv[1], hsv[2]); }
 
  void        getHSVValue(float &h, float &s, float &v) const;
 
  void        getHSVValue(float hsv[3]) const
    { getHSVValue(hsv[0], hsv[1], hsv[2]); }
    
  //
  // RGBA Packed integer color routines. The color format expressed in 
  // hexadecimal is 0xrrggbbaa, where
  //      aa  is the alpha value
  //      bb  is the blue value
  //      gg  is the green value
  //      rr  is the red value
  // RGBA component values range from 0 to 0xFF (255).
  //
 
 
  void setRGBValue(unsigned char r, unsigned char g, unsigned char b)
  { setValue(r / 255.f, g / 255.f, b / 255.f); }
    
  SbColor &setPackedValue(uint32_t orderedRGBA, float& transparency);
 
  uint32_t getPackedValue(float transparency = 0.0) const;
 
  uint32_t getPackedValueEndiannessOrder(float transparency = 0.0) const;
 
#if 1             SoDEPRECATED
  uint32_t getPackedValueInternal(float transparency = 0.0) const {
    return getPackedValueEndiannessOrder(transparency);
  };
#endif 
};
 
#endif /* _SB_COLOR_H_ */