lcdpm565.c

来自「uCGUI」· C语言 代码 · 共 38 行

/*************************************************************************************************************
                                                   uC/GUI
                                               嵌入式通用图形软件
File        : LCD565.C
Purpose     : Color conversion routines for emWin GSC
************************************************************************************************************/

#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);
}