lcdp2.c

来自「MCB2300_ucgui_LCD320240.rar LPC2368的u」· C语言 代码 · 共 85 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		: 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 ****************************/