lcdpm444_12.c

来自「LPC2368驱动淘宝上27元钱的TFT的代码」· C语言 代码 · 共 74 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		: LCDPM444_12.c
Purpose 	: Color conversion routines for LCD-drivers
---------------------------END-OF-HEADER------------------------------
*/

#include "LCD_Protected.h"    /* inter modul definitions */

/*********************************************************************
*
*   	Public code,
*
*   	LCD_FIXEDPALETTE == 444, 4096 colors, RRRRGGGGBBBB
*
**********************************************************************
*/
/*********************************************************************
*
*   	LCD_Color2Index_M444_12
*/
unsigned LCD_Color2Index_M444_12(LCD_COLOR Color)
{
	unsigned int r,g,b;
	r = Color & 255;
	g = (Color >> 8) & 255;
	b = (Color >> 16) & 255;
	r = (r + 8) / 17;
	g = (g + 8) / 17;
	b = (b + 8) / 17;
	return b + (g << 4) + (r << 8);
}

/*********************************************************************
*
*   	LCD_Index2Color_M444_12
*/
LCD_COLOR LCD_Index2Color_M444_12(int Index)
{
	unsigned int r,g,b;
	/* Seperate the color masks */
	b = Index & 0xf;
	g = (Index >> 4) & 0xf;
	r = ((unsigned) Index >> 8) & 0xf;
	/* Convert the color masks */
	r = r * 17;
	g = g * 17;
	b = b * 17;
	return r + (g << 8) + (((U32) b) << 16);
}

/*********************************************************************
*
*   	LCD_GetIndexMask_M444_12
*/
unsigned LCD_GetIndexMask_M444_12(void)
{
	return 0x0fff;
}

/*************************** End of file ****************************/