lcdp4.c

uCGUI

/*************************************************************************************************************
                                                   uC/GUI
                                               嵌入式通用图形软件
File        : LCD4.C
Purpose     : Color conversion routines for 4 bpp gray LCDs
************************************************************************************************************/
#include <stdlib.h>
#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;
}