www.pudn.com > ucosv2(GUI).rar > LCDP4.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        : LCD4.C 
Purpose     : Color conversion routines for 4 bpp gray LCDs 
---------------------------END-OF-HEADER------------------------------ 
*/ 
 
#include  
#include "LCD_Protected.h"    /* inter modul definitions */ 
 
/********************************************************************* 
* 
*       LCD_FIXEDPALETTE == 4 
* 
*       16 gray scales 
* 
********************************************************************** 
*/ 
 
int LCD_Color2Index_4(LCD_COLOR Color) { 
  int r,g,b; 
  r = (Color>>(0+4))  &15; 
  g = (Color>>(8+4))  &15; 
  b = (Color>>(16+4)) &15; 
  return (r+g+b+1) /3; 
} 
 
LCD_COLOR LCD_Index2Color_4(int Index) { 
  return ((U32)Index)*0x111111; 
}