www.pudn.com > ucosv2(GUI).rar > LCDP444.c

/*
*********************************************************************************************************
*                                                uC/GUI
*                        Universal graphic software for embedded applications
*
*                       (c) Copyright 2002, Micrium Inc., Weston, FL
*                       (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
*              µC/GUI is protected by international copyright laws. Knowledge of the
*              source code may not be used to write a similar product. This file may
*              only be used in accordance with a license and should not be redistributed
*              in any way. We appreciate your understanding and fairness.
*
---------------------------------------------------------------------- 
File        : LCD444.C 
Purpose     : Color conversion routines for LCD-drivers 
---------------------------END-OF-HEADER------------------------------ 
*/ 
 
#include            /* needed for definition of NULL */ 
#include "LCD_Protected.h"    /* inter modul definitions */ 
 
/********************************************************************* 
* 
*       LCD_FIXEDPALETTE == 444 
* 
*         2^12 = 4096 colors 
* 
********************************************************************** 
*/ 
 
int LCD_Color2Index_444(LCD_COLOR Color) { 
  int r,g,b; 
  r = (Color>>4)   &0xf; 
  g = (Color>>12)  &0xf; 
  b = (Color>>20)  &0xf; 
  return r + (g << 4) + (b << 8); 
} 
 
LCD_COLOR LCD_Index2Color_444(int Index) { 
  unsigned int r,g,b; 
  /* Seperate the color masks */ 
  r = Index & 0xf; 
  g = (Index >> 4) & 0xf; 
  b = ((unsigned)Index >> 8) & 0xf; 
  /* Convert the color masks */ 
  r = r * 17; 
  g = g * 17; 
  b = b * 17; 
  return r + (g<<8) + (((U32)b)<<16); 
}