text: /*
  	Copyright 1999, Be Incorporated.   All Rights Reserved.
  	This file may be used under the terms of the Be Sample Code License.
  */
  
  #ifndef _colorutils_h
  #define _colorutils_h
  
  #include <GraphicsDefs.h>
  
  #if B_LITTLE_ENDIAN
  #define B_RGBA32_HOST B_RGBA32_LITTLE
  #else
  #define B_RGBA32_HOST B_RGBA32_BIG
  #endif
  
  bool operator==(rgb_color a, rgb_color b);
  bool operator!=(rgb_color a, rgb_color b);
  
  rgb_color make_rgb_color(uint8 red, uint8 green, uint8 blue,
  	uint8 alpha = 0);
  rgb_color gradient(const rgb_color a, const rgb_color b, float val);
  
  typedef enum {
  	CHANNEL_RED,
  	CHANNEL_GREEN,
  	CHANNEL_BLUE,
  	CHANNEL_ALPHA
  } color_channel;
  
  const rgb_color PURE_WHITE		= { 255, 255, 255, 255 };
  const rgb_color PURE_BLACK		= { 0, 0, 0, 255 };
  
  #endif /* _colorutils_h */