public static WinGdiFont GetWinGdiFont(RequestFont f)
{
if (f == null)
{
throw new NotSupportedException();
}
if (f == latestFont)
{
return(latestWinFont);
}
WinGdiFont actualFontInside = WinGdiFont.GetCacheFontAsWinGdiFont(f);
if (actualFontInside != null)
{
return(actualFontInside);
}
//-----
//need to create a new one
//get register font or create the new one
FontKey key = f.FontKey;
WinGdiFont found;
if (!registerFonts.TryGetValue(key, out found))
{
//create the new one and register
//create fontface
FontFaceKey fontfaceKey = new FontFaceKey(key);
WinGdiFontFace fontface;
if (!winGdiFonFaces.TryGetValue(fontfaceKey, out fontface))
{
//create new
fontface = new WinGdiFontFace(f.Name);
winGdiFonFaces.Add(fontfaceKey, fontface);
}
var winGdiFont = new WinGdiFont(fontface, f.SizeInPoints, FontStyle.Regular);
found = winGdiFont;
registerFonts.Add(key, found);//cache here
}
latestFont = f;
RequestFontImpl reqFont = (RequestFontImpl)f;
if (reqFont._platformFont == null)
{
reqFont._platformFont = found;
}
//found.AssignToRequestFont(f);
return(latestWinFont = found);
}
public WinGdiFont(WinGdiFontFace fontFace, float sizeInPoints, FontStyle style)
{
this.fontFace = fontFace;
this.fontSizeInPoints = sizeInPoints;
this.fontStyle = style;
this.fontSizeInPoints = sizeInPoints;
//this.emSizeInPixels = PixelFarm.Drawing.RequestFont.ConvEmSizeInPointsToPixels(this.fontSizeInPoints);
this.hfont = InitFont(fontFace.Name, sizeInPoints, style);
//------------------------------------------------------------------
//create gdi font from font data
//build font matrix ;
WinGdiTextService.MeasureCharWidths(hfont, out charWidths, out charAbcWidths);
//float scale = fontFace.GetScale(sizeInPoints);
//ascendInPixels = fontFace.AscentInDzUnit * scale;
//descentInPixels = fontFace.DescentInDzUnit * scale;
//linegapInPixels = fontFace.LineGapInDzUnit * scale;
//------------------------------------------------------------------
//int emHeightInDzUnit = f.FontFamily.GetEmHeight(f.Style);
//this.ascendInPixels = Font.ConvEmSizeInPointsToPixels((f.FontFamily.GetCellAscent(f.Style) / emHeightInDzUnit));
//this.descentInPixels = Font.ConvEmSizeInPointsToPixels((f.FontFamily.GetCellDescent(f.Style) / emHeightInDzUnit));
////--------------
////we build font glyph, this is just win32 glyph
////
//int j = charAbcWidths.Length;
//fontGlyphs = new FontGlyph[j];
//for (int i = 0; i < j; ++i)
//{
// FontGlyph glyph = new FontGlyph();
// glyph.horiz_adv_x = charWidths[i] << 6;
// fontGlyphs[i] = glyph;
//}
}