/*********************************************************************
*
* GUI_SIF_CreateFont
*/
void GUI_SIF_CreateFont(void * pFontData, GUI_FONT * pFont, const GUI_SIF_TYPE * pFontType) {
const U8 * pSrc = (const U8 *)pFontData;
U32 ID;
/* Set pFontData of GUI_FONT structure to the first byte */
pFont->p.pFontData = pFontData;
/* Check ID */
ID = GUI__Read32(&pSrc);
if (ID != 0x50495547) { /* 'GUIP' */
GUI_DEBUG_ERROROUT("ID of downloaded font wrong!");
return;
}
/* Read properties of the font */
pFont->YSize = GUI__Read16(&pSrc);
pFont->YDist = GUI__Read16(&pSrc);
pFont->Baseline = GUI__Read16(&pSrc);
pFont->LHeight = GUI__Read16(&pSrc);
pFont->CHeight = GUI__Read16(&pSrc);
/* Magnification is always 1 */
pFont->XMag = 1;
pFont->YMag = 1;
/* Set function pointers */
pFont->pfDispChar = pFontType->pDispChar;
pFont->pfGetCharDistX = pFontType->pGetCharDistX;
pFont->pfGetFontInfo = pFontType->pGetFontInfo;
pFont->pfIsInFont = pFontType->pIsInFont;
pFont->pafEncode = 0;
/* Use the new font */
GUI_SetFont(pFont);
}
/*********************************************************************
*
* GUI_SIF_GetFontInfo
*/
static void _GUI_SIF_GetFontInfo(const GUI_FONT GUI_UNI_PTR * pFont, GUI_FONTINFO * pfi) {
const U8 * pData;
pData = (const U8 *)pFont->p.pFontData + 4 /* Skip XSize and XDist */;
pfi->Baseline = GUI__Read16(&pData);
pfi->LHeight = GUI__Read16(&pData);
pfi->CHeight = GUI__Read16(&pData);
pfi->Flags = GUI_FONTINFO_FLAG_PROP;
}
/*********************************************************************
*
* _GetNumCharAreas
*/
static int _GetNumCharAreas(const GUI_FONT GUI_UNI_PTR * pFont) {
U16 NumCharAreas;
const U8 * pData;
pData = (const U8 *)pFont->p.pFontData + 14 /* Skip ID, YSize, YDist, Baseline, LHeight and CHeight */;
NumCharAreas = GUI__Read16(&pData);
return NumCharAreas;
}
/*********************************************************************
*
* GUI_SIF_GetCharDistX
*/
static int _GUI_SIF_GetCharDistX(U16P c) {
const U8 * pCharInfo;
U16 DistX = 0;
pCharInfo = _GetpCharInfo(GUI_Context.pAFont, c); /* Get pointer to char info data */
if (pCharInfo) {
pCharInfo += 2 /* Skip XSize */;
DistX = GUI__Read16(&pCharInfo);
}
return DistX;
}
/*********************************************************************
*
* GUI_SIF__GetCharDistX
*/
int GUI_SIF__GetCharDistX(U16P c) {
const U8 * pCharInfo;
U16 DistX = 0;
pCharInfo = GUI_SIF__GetpCharInfo(GUI_Context.pAFont, c); /* Get pointer to char info data */
if (pCharInfo) {
pCharInfo += 2;
DistX = GUI__Read16(&pCharInfo);
}
return DistX;
}
/*********************************************************************
*
* GUI_SIF_DispChar
*/
static void _GUI_SIF_DispChar(U16P c) {
const U8 * pCharInfo, * pData;
pCharInfo = _GetpCharInfo(GUI_Context.pAFont, c);
if (pCharInfo) {
GUI_DRAWMODE DrawMode, OldDrawMode;
GUI_SIF_CHARINFO CharInfo;
CharInfo.XSize = GUI__Read16(&pCharInfo);
CharInfo.XDist = GUI__Read16(&pCharInfo);
CharInfo.BytesPerLine = GUI__Read16(&pCharInfo);
GUI__Read16(&pCharInfo); /* Dummy */
CharInfo.OffData = GUI__Read32(&pCharInfo);
pData = (const U8 *)GUI_Context.pAFont->p.pFontData + CharInfo.OffData;
DrawMode = GUI_Context.TextMode;
OldDrawMode = LCD_SetDrawMode(DrawMode);
LCD_DrawBitmap(GUI_Context.DispPosX, GUI_Context.DispPosY,
CharInfo.XSize,
GUI_Context.pAFont->YSize,
GUI_Context.pAFont->XMag,
GUI_Context.pAFont->YMag,
1,
CharInfo.BytesPerLine,
pData,
&LCD_BKCOLORINDEX);
/* Fill empty pixel lines */
if (GUI_Context.pAFont->YDist > GUI_Context.pAFont->YSize) {
int YMag = GUI_Context.pAFont->YMag;
int YDist = GUI_Context.pAFont->YDist * YMag;
int YSize = GUI_Context.pAFont->YSize * YMag;
if (DrawMode != LCD_DRAWMODE_TRANS) {
LCD_COLOR OldColor = GUI_GetColor();
GUI_SetColor(GUI_GetBkColor());
LCD_FillRect(GUI_Context.DispPosX,
GUI_Context.DispPosY + YSize,
GUI_Context.DispPosX + CharInfo.XSize,
GUI_Context.DispPosY + YDist);
GUI_SetColor(OldColor);
}
}
LCD_SetDrawMode(OldDrawMode); /* Restore draw mode */
GUI_Context.DispPosX += CharInfo.XDist;
}
}
/*********************************************************************
*
* _GetpCharInfo
*/
static const U8 * _GetpCharInfo(const GUI_FONT GUI_UNI_PTR * pFont, U16P c) {
const U8 * pCharArea, * pCharInfo;
int NumCharAreas;
NumCharAreas = _GetNumCharAreas(pFont); /* Get # of char areas */
pCharArea = (const U8 *)pFont->p.pFontData
+ sizeof(GUI_SI_FONT); /* Set char area pointer to first char area */
pCharInfo = pCharArea
+ sizeof(GUI_SIF_CHAR_AREA) * NumCharAreas; /* Set char info pointer to first character info */
do {
GUI_SIF_CHAR_AREA CharArea;
CharArea.First = GUI__Read16(&pCharArea);
CharArea.Last = GUI__Read16(&pCharArea);
if ((c >= CharArea.First) && (c <= CharArea.Last)) {
pCharInfo += sizeof(GUI_SIF_CHARINFO) * (c - CharArea.First);
return pCharInfo;
}
pCharInfo += sizeof(GUI_SIF_CHARINFO) * (CharArea.Last - CharArea.First + 1);
} while(--NumCharAreas);
return 0;
}
