/***********************************************************************************************************                                                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        : GUICharAA.CPurpose     : Display antialiased----------------------------------------------------------------------Version-Date---Author-Explanation----------------------------------------------------------------------1.00.00 990922 RS     First release----------------------------------------------------------------------Known problems or limitations with current version----------------------------------------------------------------------Module needs cleanup and review, but is fully functional.---------------------------END-OF-HEADER------------------------------*/#include "GUI_Private.H" #include <stdio.h>#include <string.h>/*      ***********************************************************      *                                                         *      *       Anti-aliased drawing                              *      *                                                         *      ************************************************************/static const U8 Bit2Mask0[] = {1<<7, 1<<5, 1<<3, 1<<1};static const U8 Bit2Mask1[] = {1<<6, 1<<4, 1<<2, 1<<0};typedef void tSetPixelAA(int x, int y, U8 Intens);static void Draw(int x0, int y0, int XSize, int YSize, int BytesPerLine, const U8*pData) {    int x, y;    tSetPixelAA* pfSetPixelAA;    pfSetPixelAA = (GUI_Context.TextMode & GUI_TM_TRANS)                 ? LCD_SetPixelAA : LCD_SetPixelAA_NoTrans;	  for (y=0; y<YSize; y++) {  	  const U8* pData0 = pData;	    const U8* pData1 = pData+BytesPerLine;  	  for (x=0; x<XSize; x++) {        int PixelCnt=0;        int Mask0 = Bit2Mask0[x&3];        int Mask1 = Bit2Mask1[x&3];			  if ((*pData0) & Mask0)			    PixelCnt++;			  if ((*pData0) & Mask1)			    PixelCnt++;			  if ((*pData1) & Mask0)			    PixelCnt++;			  if ((*pData1) & Mask1)			    PixelCnt++;        if ((x&3) ==3) {          pData0++;          pData1++;			  }        switch (PixelCnt) {        case 4: LCD_HL_DrawPixel(x0+x,y0+y);      break;        case 3: (*pfSetPixelAA) (x0+x,y0+y, 12); break;        case 2: (*pfSetPixelAA) (x0+x,y0+y, 8);  break;        case 1: (*pfSetPixelAA) (x0+x,y0+y, 4);  break;			  }  	  }      pData+=2*BytesPerLine;	  }}/*      ***********************************************************      *                                                         *      *       Font handling                                     *      *                                                         *      ************************************************************/static const GUI_FONT_PROP* GUIPROP_FindChar(const GUI_FONT_PROP* pProp, U16P c) {  for (pProp = GUI_Context.pAFont->p.pProp; pProp; pProp=(const GUI_FONT_PROP*) pProp->pNext) {    if ((c>=pProp->First) && (c<=pProp->Last))      break;  }  return pProp;}void GUIPROPAA_DispChar(U16P c) {  int BytesPerLine;  GUI_DRAWMODE DrawMode = GUI_Context.TextMode;  const GUI_FONT_PROP* pProp = GUIPROP_FindChar(GUI_Context.pAFont->p.pProp, c);  if (pProp) {    GUI_DRAWMODE OldDrawMode;    const GUI_CHARINFO* pCharInfo = pProp->paCharInfo+(c-pProp->First);    BytesPerLine = pCharInfo->BytesPerLine;    OldDrawMode  = LCD_SetDrawMode(DrawMode);    Draw  ( GUI_Context.DispPosX, GUI_Context.DispPosY,                       (pCharInfo->XSize+1)/2,                       GUI_Context.pAFont->YSize,                       BytesPerLine,                       (U8 const*) pCharInfo->pData                       );    LCD_SetDrawMode(OldDrawMode); /* Restore draw mode */    GUI_Context.DispPosX += (pCharInfo->XDist+1)/2;  }}int GUIPROPAA_GetCharDistX(U16P c) {  int r;  const GUI_FONT_PROP* pProp = GUIPROP_FindChar(GUI_Context.pAFont->p.pProp, c);  r = (pProp) ? (pProp->paCharInfo+(c-pProp->First))->XSize : 0;  return (r+1)/2;}void GUIPROPAA_GetFontInfo(void*pFont, GUI_FONTINFO* pfi) {  GUI_USE_PARA(pFont);  pfi->Flags = GUI_FONTINFO_FLAG_PROP | GUI_FONTINFO_FLAG_AA;}char GUIPROPAA_IsInFont(void*pFont, U16 c) {  const GUI_FONT_PROP* pProp = GUIPROP_FindChar(((GUI_FONT*)pFont)->p.pProp, c);  return (pProp==NULL) ? 0 : 1;}/* End of file */