www.pudn.com > UCGUI390a.rar > LCDPM565.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        : LCDM565.C 
Purpose     : Color conversion routines 
---------------------------END-OF-HEADER------------------------------ 
*/ 
 
#include "LCD_Protected.h"    /* inter modul definitions */ 
 
/********************************************************************* 
* 
*       Defines 
* 
********************************************************************** 
*/ 
 
#define B_BITS 5 
#define G_BITS 6 
#define R_BITS 5 
 
#define R_MASK ((1 << R_BITS) -1) 
#define G_MASK ((1 << G_BITS) -1) 
#define B_MASK ((1 << B_BITS) -1) 
 
/********************************************************************* 
* 
*       Public code, 
* 
*       LCD_FIXEDPALETTE == 565, 65536 colors, RRRRRGGGGGGBBBBB 
* 
********************************************************************** 
*/ 
/********************************************************************* 
* 
*       LCD_Color2Index_M565 
*/ 
unsigned LCD_Color2Index_M565(LCD_COLOR Color) { 
  int r,g,b; 
  r = (Color>> (8  - R_BITS)) & R_MASK; 
  g = (Color>> (16 - G_BITS)) & G_MASK; 
  b = (Color>> (24 - B_BITS)) & B_MASK; 
  return b + (g << B_BITS) + (r << (G_BITS + B_BITS)); 
} 
 
/********************************************************************* 
* 
*       LCD_GetIndexMask_M565 
*/ 
unsigned LCD_GetIndexMask_M565(void) { 
  return 0xffff; 
} 
 
/*************************** End of file ****************************/