/***********************************************************************************************************                                                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 void Draw(int x0, int y0, int XSize, int YSize, int BytesPerLine, const U8*pData) {  int x, y;  tLCD_SetPixelAA* pfSetPixelAA;  pfSetPixelAA = (GUI_Context.TextMode && GUI_TM_TRANS) ?                 LCD_SetPixelAA : LCD_SetPixelAA_NoTrans;  for (y=0; y<YSize; y++) {    const U8*pData0 = pData;    for (x=0; x<XSize-1; x+=2) {      (*pfSetPixelAA)(x+x0,y0+y,   (*pData0)>>4); /* x0+x changed -> x+x0 to avoid problems with IAR's ICCMC80 */      (*pfSetPixelAA)(x0+x+1,y0+y, (*pData0++)&15);  	}    if (XSize&1) {      (*pfSetPixelAA)(x0+x,y0+y, (*pData0)&15);    }    pData+=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 GUIPROP_AA4_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,                       GUI_Context.pAFont->YSize,                       BytesPerLine,                       (U8 const*)pCharInfo->pData                       );    LCD_SetDrawMode(OldDrawMode); /* Restore draw mode */    GUI_Context.DispPosX += pCharInfo->XDist;  }}int GUIPROP_AA4_GetCharDistX(U16P c) {  const GUI_FONT_PROP* pProp = GUIPROP_FindChar(GUI_Context.pAFont->p.pProp, c);  return (pProp) ? (pProp->paCharInfo+(c-pProp->First))->XSize : 0;}void GUIPROP_AA4_GetFontInfo(void*pFont, GUI_FONTINFO* pfi) {  GUI_USE_PARA(pFont);  pfi->Flags = GUI_FONTINFO_FLAG_PROP | GUI_FONTINFO_FLAG_AA4;}char GUIPROP_AA4_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 */