/***********************************************************************************************************                                                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        : GUIDEMO_Lut.cPurpose     : Modify lookup table----------------------------------------------------------------------*/#include "GUI.H"#include "GUIDEMO.H"#include "LCD_ConfDefaults.h"  /* valid LCD configuration *//***********************************************************************       Static functions************************************************************************/static void _ModifyLUT(int RFaktor, int GFaktor, int BFaktor) {  int NumColors = LCD_GetDevCap(LCD_DEVCAP_NUMCOLORS);  int i;  for (i = 0; (i < NumColors) && !GUIDEMO_CheckCancel(); i++) {        U32 Color = LCD_GetDevCap(LCD_DEVCAP_COLOR + i);    U32 R = Color & 0xff;    U32 G = (Color >> 8)  & 0xff;    U32 B = (Color >> 16) & 0xff;    /* Now modify color */    R = (R * RFaktor) / 100; if (R > 255) R = 255;    G = (G * GFaktor) / 100; if (G > 255) G = 255;    B = (B * BFaktor) / 100; if (B > 255) B = 255;    /* Write modified color into lookup table */    Color = R | (G << 8) | (B << 16);    GUI_SetLUTEntry((U8)i, Color);      }}/***********************************************************************       GUIDEMO_DemoLUT************************************************************************/#if (LCD_BITSPERPIXEL > 2) && (LCD_BITSPERPIXEL <= 8)void GUIDEMO_DemoLUT(void) {  int i;  GUIDEMO_ShowIntro("Modify LUT", "... after drawing color bars");  GUIDEMO_ShowColorBar();	for (i = 100; (i >= 0) && !GUIDEMO_CheckCancel(); i -= 2) {    _ModifyLUT(100, 100, i);    GUI_Delay(20);	}	for (i = 100; (i >= 0) && !GUIDEMO_CheckCancel(); i -= 2) {    _ModifyLUT(100, i, 0);    GUI_Delay(20);	}	for (i = 100; (i >= 0) && !GUIDEMO_CheckCancel(); i -= 2) {    _ModifyLUT(i, i, i);    GUI_Delay(20);	}  LCD_InitLUT();  GUIDEMO_Wait();}#elsevoid GUIDEMO_DemoLUT(void) {}#endif