lcdp332.c

来自「MCB2300_ucgui_LCD320240.rar LPC2368的u」· C语言 代码 · 共 69 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		: LCDP332.C
Purpose 	: Color conversion routines for 332 mode
---------------------------END-OF-HEADER------------------------------
*/

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

/*********************************************************************
*
*   	Public code,
*
*   	LCD_FIXEDPALETTE == 332, 256 colors, BBBGGGRR
*
**********************************************************************
*/
/*********************************************************************
*
*   	LCD_Color2Index_332
*/
unsigned LCD_Color2Index_332(LCD_COLOR Color)
{
	int r, g, b;
	r = Color & 255;
	g = (Color >> 8) & 255;
	b = Color >> 16;
	r = (r + 42) / 85;
	g = (g * 7 + 127) / 255;
	b = (b * 7 + 127) / 255;
	return r + (g << 2) + (b << 5);
}

/*********************************************************************
*
*   	LCD_Index2Color_332
*/
LCD_COLOR LCD_Index2Color_332(int Index)
{
	unsigned r, g, b;
	r = (Index & 3) * 85;
	g = ((Index >> 2) & 7) * 255 / 7;
	b = ((Index >> 5) & 7) * 255 / 7;
	return r + (g << 8) + (((U32) b) << 16);
}

/*********************************************************************
*
*   	LCD_GetIndexMask_332
*/
unsigned LCD_GetIndexMask_332(void)
{
	return 0xff;
}

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