LCDP222.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 : LCD222.C
- Purpose : Color conversion routines for 222 mode
- ---------------------------END-OF-HEADER------------------------------
- */
- #include <stddef.h> /* needed for definition of NULL */
- #include "LCD.H" /* interface definitions */
- #include "LCD_Protected.h" /* inter modul definitions */
- /*********************************************************************
- *
- * LCD_FIXEDPALETTE == 222
- *
- * 64 colors
- *
- **********************************************************************
- */
- int LCD_Color2Index_222(LCD_COLOR Color) {
- int r,g,b;
- r = ((Color&255) +0x2a)/0x55;
- g = (((Color>>8)&255) +0x2a)/0x55;
- b = (((Color>>16)&255)+0x2a)/0x55;
- return r+(g<<2)+(b<<4);
- }
- LCD_COLOR LCD_Index2Color_222(int Index) {
- U16P r,g,b;
- r = ((Index>>0)&3)*0x55;
- g = ((Index>>2)&3)*0x55;
- b = (Index>>4) *0x55;
- return (((U32)b)<<16)|(g<<8)|r;
- }
- /*********************************************************************
- *
- * LCD_FIXEDPALETTE == 222, Red/Blue swapped
- *
- * 64 colors
- *
- **********************************************************************
- */
- int LCD_Color2Index_M222(LCD_COLOR Color) {
- int r,g,b;
- r = ((Color&255) +0x2a)/0x55;
- g = (((Color>>8)&255) +0x2a)/0x55;
- b = (((Color>>16)&255)+0x2a)/0x55;
- return b+(g<<2)+(r<<4);
- }
- LCD_COLOR LCD_Index2Color_M222(int Index) {
- U16P r,g,b;
- r = ((Index>>0)&3)*0x55;
- g = ((Index>>2)&3)*0x55;
- b = (Index>>4) *0x55;
- return (((U32)r)<<16)|(g<<8)|b;
- }