www.pudn.com > UCGUI390a.rar > LCDPM332.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        : LCDPM332.C 
Purpose     : Color conversion routines for -332 mode 
---------------------------END-OF-HEADER------------------------------ 
*/ 
 
#include "LCD_Protected.h"    /* inter modul definitions */ 
 
/********************************************************************* 
* 
*       Public code, 
* 
*       LCD_FIXEDPALETTE == -332, 256 colors, RRRGGGBB 
* 
********************************************************************** 
*/ 
/********************************************************************* 
* 
*       LCD_Color2Index_M332 
*/ 
unsigned LCD_Color2Index_M332(LCD_COLOR Color) { 
  unsigned r, g, b; 
  r = Color & 255; 
  g = (Color >> 8 ) & 255; 
  b = Color >> 16; 
  r = (r * 7 + 127) / 255; 
  g = (g * 7 + 127) / 255; 
  b = (b + 42) / 85; 
  return b + (g << 2) + (r << 5); 
} 
 
/********************************************************************* 
* 
*       LCD_Index2Color_M332 
*/ 
LCD_COLOR LCD_Index2Color_M332(int Index) { 
  unsigned r, g, b; 
  b = (Index & 3) * 85; 
  g = ((Index >> 2) & 7) * 255 / 7; 
  r = ((Index >> 5) & 7) * 255 / 7; 
  return r + (g << 8) + (((U32)b) << 16); 
} 
 
/********************************************************************* 
* 
*       LCD_GetIndexMask_M332 
*/ 
unsigned LCD_GetIndexMask_M332(void) { 
  return 0xff; 
} 
 
/*************************** End of file ****************************/