/***********************************************************************************************************                                                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        : GUICharAA2.CPurpose     : Display antialiased 2bpp----------------------------------------------------------------------Version-Date---Author-Explanation----------------------------------------------------------------------1.00.01 011031 JE     a) GL_DrawBitmap called instead of GUI_DrawBitmap1.00.00 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>/*      ***********************************************************      *                                                         *      *       Static defines      *                                                         *      ************************************************************/#define MAX_CHAR_SIZE 100/*      ***********************************************************      *                                                         *      *       Static variables      *                                                         *      ************************************************************//* used by transparent characters */static const int aConvTable[4] = {0, 5, 10, 15};/* used by non transparent characters */static LCD_COLOR aColor[4];static LCD_PIXELINDEX OldColorIndex, OldBkColorIndex;static GUI_LOGPALETTE Palette = {4, 0, &aColor[0]};static GUI_BITMAP Bitmap = {0, 0, 0, 2, 0, &Palette, 0};/*      ***********************************************************      *                                                         *      *       Anti-aliased drawing                              *      *                                                         *      ************************************************************/static void DrawNoTrans(int x0, int y0, int XSize, int YSize, int BytesPerLine, const U8*pData) {  if ((OldColorIndex   != LCD_COLORINDEX) ||       (OldBkColorIndex != LCD_BKCOLORINDEX)) {    int i;    LCD_PIXELINDEX BkColorIndex = LCD_BKCOLORINDEX;    LCD_PIXELINDEX ColorIndex   = LCD_COLORINDEX;    LCD_COLOR BkColor = LCD_Index2Color(BkColorIndex);    LCD_COLOR Color   = LCD_Index2Color(ColorIndex);    aColor[0] = BkColor;    for (i = 1; i < 3; i++) {      U8 Intens;      Intens = 5 * i;      aColor[i] = LCD_AA_MixColors(Color, BkColor, Intens);    }    aColor[3] = Color;    LCD_GetpPalConvTableUncached(&Palette);    OldColorIndex = ColorIndex;    OldBkColorIndex = BkColorIndex;  }  Bitmap.XSize = XSize;  Bitmap.YSize = YSize;  Bitmap.BytesPerLine = BytesPerLine;  Bitmap.pData = pData;  GL_DrawBitmap(&Bitmap, x0, y0);}static void DrawTrans(int x0, int y0, int XSize, int YSize, int BytesPerLine, const U8*pData) {  int x, y;  for (y = 0; y < YSize; y++) {    const U8 *pData0 = pData;    U8 Rem = XSize & 3;    for (x = 0; x < XSize - 1; x += 4) {      LCD_SetPixelAA(x + x0    , y0 + y, aConvTable[((*pData0  ) >> 6)       ]);      LCD_SetPixelAA(x + x0 + 1, y0 + y, aConvTable[((*pData0  ) >> 4) & 0x03]);      LCD_SetPixelAA(x + x0 + 2, y0 + y, aConvTable[((*pData0  ) >> 2) & 0x03]);      LCD_SetPixelAA(x + x0 + 3, y0 + y, aConvTable[((*pData0++)     ) & 0x03]);  	}    if (Rem) {      LCD_SetPixelAA(x + x0    , y0 + y, aConvTable[((*pData0  ) >> 6)       ]);      if (Rem > 1) {        LCD_SetPixelAA(x + x0 + 1, y0 + y, aConvTable[((*pData0  ) >> 4) & 0x03]);        if (Rem > 2) {          LCD_SetPixelAA(x + x0 + 2, y0 + y, aConvTable[((*pData0  ) >> 2) & 0x03]);        }      }    }    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_AA2_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);    if (DrawMode && GUI_TM_TRANS) {      DrawTrans(GUI_Context.DispPosX,                 GUI_Context.DispPosY,                pCharInfo->XSize,                GUI_Context.pAFont->YSize,                BytesPerLine,                (U8 const*)pCharInfo->pData      );    } else {      DrawNoTrans(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_AA2_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_AA2_GetFontInfo(void*pFont, GUI_FONTINFO* pfi) {  GUI_USE_PARA(pFont);  pfi->Flags = GUI_FONTINFO_FLAG_PROP | GUI_FONTINFO_FLAG_AA2;}char GUIPROP_AA2_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 */