lcdp222.c

来自「LPC2368驱动淘宝上27元钱的TFT的代码」· C语言 代码 · 共 105 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		: LCD222.C
Purpose 	: Color conversion routines for 222 mode
---------------------------END-OF-HEADER------------------------------
*/

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

/*********************************************************************
*
*   	Public code, LCD_FIXEDPALETTE == 222, 64 colors
*
**********************************************************************
*/
/*********************************************************************
*
*   	LCD_Color2Index_222
*/
unsigned LCD_Color2Index_222(LCD_COLOR Color)
{
	int r,g,b;
	r = ((Color & 255) + 0x2a) / 0x55;
	g = (((Color >> 8) & 255) + 0x2a) / 0x55;
	b = (((Color >> 16) & 255) + 0x2a) / 0x55;
	return r + (g << 2) + (b << 4);
}

/*********************************************************************
*
*   	LCD_Index2Color_222
*/
LCD_COLOR LCD_Index2Color_222(int Index)
{
	U16P r,g,b;
	r = ((Index >> 0) & 3) * 0x55;
	g = ((Index >> 2) & 3) * 0x55;
	b = (Index >> 4) * 0x55;
	return (((U32) b) << 16) | (g << 8) | r;
}

/*********************************************************************
*
*   	LCD_GetIndexMask_222
*/
unsigned LCD_GetIndexMask_222(void)
{
	return 0x0003f;
}

/*********************************************************************
*
*   	Public code, LCD_FIXEDPALETTE == 222, 64 colors, SWAP_RB
*
**********************************************************************
*/
/*********************************************************************
*
*   	LCD_Color2Index_M222
*/
unsigned LCD_Color2Index_M222(LCD_COLOR Color)
{
	int r,g,b;
	r = ((Color & 255) + 0x2a) / 0x55;
	g = (((Color >> 8) & 255) + 0x2a) / 0x55;
	b = (((Color >> 16) & 255) + 0x2a) / 0x55;
	return b + (g << 2) + (r << 4);
}

/*********************************************************************
*
*   	LCD_Index2Color_M222
*/
LCD_COLOR LCD_Index2Color_M222(int Index)
{
	U16P r,g,b;
	r = ((Index >> 0) & 3) * 0x55;
	g = ((Index >> 2) & 3) * 0x55;
	b = (Index >> 4) * 0x55;
	return (((U32) r) << 16) | (g << 8) | b;
}

/*********************************************************************
*
*   	LCD_GetIndexMask_M222
*/
unsigned LCD_GetIndexMask_M222(void)
{
	return 0x003f;
}

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