lcdp8666_1.c

MCB2300_ucgui_LCD320240.rar LPC2368的uc/gui的移植

/*
*********************************************************************************************************
*   											 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		: LCDP8666_1.C
Purpose 	: Color conversion routines for 86661 mode
---------------------------END-OF-HEADER------------------------------
*/

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

/*********************************************************************
*
*   	Public code,
*
**********************************************************************
*/
/*********************************************************************
*
*   	LCD_Color2Index_8666_1
*/
unsigned LCD_Color2Index_8666_1(LCD_COLOR Color)
{
	int r, g, b, Index;
	r = Color & 255;
	g = (Color >> 8) & 255;
	b = Color >> 16;
	/* Check if image is a gray scale ... */
	if ((r == g) && (g == b))
	{
		return 120 + (r + 8) / 17;  /* Convert into colors from 120 - 135 */
	}
	/* Convert into the 6*6*6 colors ... */
	r = (r * 5 + 127) / 255;
	g = (g * 5 + 127) / 255;
	b = (b * 5 + 127) / 255;
	Index = r + 6 * g + 36 * b;
	return (Index < 108) ? Index + 12 : Index + 28;
}

/*********************************************************************
*
*   	LCD_Index2Color_8666_1
*/
LCD_COLOR LCD_Index2Color_8666_1(int Index)
{
	unsigned int r,g;
	U32 b;
	/* 16 Gray scale range ? */
	if ((Index >= 120) && (Index < 136))
	{
		return (U32) 0x111111 * (U32) (Index - 120);
	}
	if ((Index < 12) || (Index > 243))
	{
		return 0;  /* Black for illegal indices */
	}
	if (Index >= 120)
	{
		Index -= 28;
	}
	else
	{
		Index -= 12;
	}
	r = (Index % 6) * (255 / 5);
	g = ((Index / 6) % 6) * (255 / 5);
	b = (Index / 36) * (255 / 5);
	return r + (g << 8) + ((U32) b << 16);
}

/*********************************************************************
*
*   	LCD_GetIndexMask_8666_1
*/
unsigned LCD_GetIndexMask_8666_1(void)
{
	return 0xff;
}

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