lcdpm565.c

来自「嵌入式实时操作系统uc/OS-II于s3c2410的开发测试程序２源代码」· C语言 代码 · 共 50 行

/*
*********************************************************************************************************
*                                                uC/GUI
*                        Universal graphic software for embedded applications
*
*                       (c) Copyright 2002, Micrium Inc., Weston, FL
*                       (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
*              礐/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        : LCD565.C
Purpose     : Color conversion routines for emWin GSC
---------------------------END-OF-HEADER------------------------------
*/

#include <stddef.h>           /* needed for definition of NULL */
#include "LCD_Protected.h"    /* inter modul definitions */

/*********************************************************************
*
*       LCD_FIXEDPALETTE == -565
*
*         2^16 = 65536 colors
*
**********************************************************************
*/

int LCD_Color2Index_M565(LCD_COLOR Color) {
  int r,g,b;
  r = (Color>> (0+3))  &0x1f;
  g = (Color>> (8+2)) &0x3f;
  b = (Color>>(16+3)) &0x1f;
  return b+(g<<5)+(r<<11);
}

LCD_COLOR LCD_Index2Color_M565(int Index) {
  int r,g,b;
  b = (Index&(0x1f<<0))  << (  3);
  g = (Index&(0x3f<<5))  >> (5-2);
  r = 255*((Index>>11)&31)/31;
  return r+(g<<8)+(((U32)b)<<16);
}