lcdp8666.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		: LCD866.C
Purpose 	: Color conversion routines for 866 mode
---------------------------END-OF-HEADER------------------------------
*/

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

/*********************************************************************
*
*   	Public data
*
**********************************************************************
*/

#if GUI_SUPPORT_MEMDEV

/*********************************************************************
*
*   	LCD_Color2Index_8666
*
* Purpose
*   API table for this color conversion mode. Only used by memory
*   devices in this mode.
*/
const LCD_API_COLOR_CONV LCD_API_ColorConv_8666 = {
LCD_Color2Index_8666,
LCD_Index2Color_8666,
LCD_GetIndexMask_8666
};

#endif

/*********************************************************************
*
*   	Public code
*
**********************************************************************
*/
/*********************************************************************
*
*   	LCD_Color2Index_8666
*/
unsigned LCD_Color2Index_8666(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 : Index + 40;
}

/*********************************************************************
*
*   	LCD_Index2Color_8666
*/
LCD_COLOR LCD_Index2Color_8666(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 >= 108)
	{
		if (Index < 148)
		{
			return 0;
		}  /* Black for illegal indices */
		Index -= 40;
	}
	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
*/
unsigned LCD_GetIndexMask_8666(void)
{
	return 0xff;
}

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