82 lines
2.3 KiB
C
82 lines
2.3 KiB
C
/*
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*********************************************************************************************************
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* uC/GUI
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* Universal graphic software for embedded applications
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*
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* (c) Copyright 2002, Micrium Inc., Weston, FL
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* (c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
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*
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* µC/GUI is protected by international copyright laws. Knowledge of the
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* source code may not be used to write a similar product. This file may
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* only be used in accordance with a license and should not be redistributed
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* in any way. We appreciate your understanding and fairness.
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*
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----------------------------------------------------------------------
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File : LCD4.C
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Purpose : Color conversion routines for 4 bpp gray LCDs
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---------------------------END-OF-HEADER------------------------------
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*/
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#include "LCD_Protected.h" /* inter modul definitions */
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/*********************************************************************
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*
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* Public data
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*
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**********************************************************************
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*/
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#if GUI_SUPPORT_MEMDEV
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/*********************************************************************
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*
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* LCD_Color2Index_4
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*
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* Purpose
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* API table for this color conversion mode. Only used by memory
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* devices in this mode.
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*/
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const LCD_API_COLOR_CONV LCD_API_ColorConv_4 = {
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LCD_Color2Index_4,
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LCD_Index2Color_4,
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LCD_GetIndexMask_4
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};
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#endif
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/*********************************************************************
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*
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* Public code
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*
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**********************************************************************
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*/
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/*********************************************************************
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*
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* LCD_Color2Index_4
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*/
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unsigned LCD_Color2Index_4(LCD_COLOR Color) {
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int r,g,b;
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r = (Color>>(0+4)) &15;
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g = (Color>>(8+4)) &15;
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b = (Color>>(16+4)) &15;
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return (r+g+b+1) /3;
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}
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/*********************************************************************
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*
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* LCD_Index2Color_4
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*/
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LCD_COLOR LCD_Index2Color_4(int Index) {
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return ((U32)Index)*0x111111;
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}
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/*********************************************************************
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*
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* LCD_GetIndexMask_4
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*/
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unsigned LCD_GetIndexMask_4(void) {
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return 0x0f;
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}
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/*************************** End of file ****************************/
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