www.pudn.com > UCGUI390a.rar > LCDP2.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        : LCD2.C 
Purpose     : Color conversion routines for 4 bpp gray LCDs 
---------------------------END-OF-HEADER------------------------------ 
*/ 
 
#include "LCD_Protected.h"    /* inter modul definitions */ 
 
/********************************************************************* 
* 
*       Public data 
* 
********************************************************************** 
*/ 
 
#if GUI_SUPPORT_MEMDEV 
 
/********************************************************************* 
* 
*       LCD_Color2Index_2 
* 
* Purpose 
*   API table for this color conversion mode. Only used by memory 
*   devices in this mode. 
*/ 
const LCD_API_COLOR_CONV LCD_API_ColorConv_2 = { 
  LCD_Color2Index_2, 
  LCD_Index2Color_2, 
  LCD_GetIndexMask_2 
}; 
 
#endif 
 
/********************************************************************* 
* 
*       Public code 
* 
********************************************************************** 
*/ 
/********************************************************************* 
* 
*       LCD_Color2Index_2 
*/ 
unsigned LCD_Color2Index_2(LCD_COLOR Color) { 
  int r,g,b; 
  r = Color      &255; 
  g = (Color>>8) &255; 
  b = Color>>16; 
  return (r+g+b+127) /255; 
} 
 
/********************************************************************* 
* 
*       LCD_Index2Color_2 
*/ 
LCD_COLOR LCD_Index2Color_2(int Index) { 
  return ((U32)Index)*0x555555; 
} 
 
/********************************************************************* 
* 
*       LCD_GetIndexMask_2 
*/ 
unsigned LCD_GetIndexMask_2(void) { 
  return 0x03; 
} 
 
/*************************** End of file ****************************/