LCDP332.c
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上传日期:2017-08-10
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- /*
- *********************************************************************************************************
- * 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 : LCDP332.C
- Purpose : Color conversion routines for 332 mode
- ---------------------------END-OF-HEADER------------------------------
- */
- #include <stddef.h> /* needed for definition of NULL */
- #include "LCD_Protected.h" /* inter modul definitions */
- /*********************************************************************
- *
- * LCD_FIXEDPALETTE == 332
- *
- * 256 colors BBBGGGRR
- *
- **********************************************************************
- */
- int LCD_Color2Index_332(LCD_COLOR Color) {
- int r, g, b;
- r = Color & 255;
- g = (Color >> 8 ) & 255;
- b = Color >> 16;
- r = (r + 42) / 85;
- g = (g * 7 + 127) / 255;
- b = (b * 7 + 127) / 255;
- return r + (g << 2) + (b << 5);
- }
- LCD_COLOR LCD_Index2Color_332(int Index) {
- int r, g, b;
- r = (Index & 3) * 85;
- g = ((Index >> 2) & 7) * 255 / 7;
- b = ((Index >> 5) & 7) * 255 / 7;
- return r + (g << 8) + (((U32)b) << 16);
- }