www.pudn.com > UCGUI390a.rar > LCDP444_12_1.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        : LCDP444_12_1.c 
Purpose     : Color conversion routines for LCD-drivers 
---------------------------END-OF-HEADER------------------------------ 
*/ 
 
#include "LCD_Protected.h"    /* inter modul definitions */ 
 
/********************************************************************* 
* 
*       Public code, 
* 
*       LCD_FIXEDPALETTE == 444, 4096 colors, RRRRGGGGBBBB---- 
* 
********************************************************************** 
*/ 
/********************************************************************* 
* 
*       LCD_Color2Index_444_12_1 
*/ 
unsigned LCD_Color2Index_444_12_1(LCD_COLOR Color) { 
  unsigned int r,g,b; 
  r = Color         & 255; 
  g = (Color >> 8)  & 255; 
  b = (Color >> 16) & 255; 
  r = (r + 8) / 17; 
  g = (g + 8) / 17; 
  b = (b + 8) / 17; 
  return (b << 4) + (g << 8) + (r << 12); 
} 
 
/********************************************************************* 
* 
*       LCD_Index2Color_444_12_1 
*/ 
LCD_COLOR LCD_Index2Color_444_12_1(int Index) { 
  unsigned int r,g,b; 
  /* Seperate the color masks */ 
  r = ((unsigned)Index >> 12) & 0xf; 
  g = ((unsigned)Index >>  8) & 0xf; 
  b = ((unsigned)Index >>  4) & 0xf; 
  /* Convert the color masks */ 
  r = r * 17; 
  g = g * 17; 
  b = b * 17; 
  return r + (g << 8) + (((U32)b) << 16); 
} 
 
/********************************************************************* 
* 
*       LCD_GetIndexMask_444_12_1 
*/ 
unsigned LCD_GetIndexMask_444_12_1(void) { 
  return 0xfff0; 
} 
 
/*************************** End of file ****************************/