/// <summary>
/// Gets information about the font.
/// </summary>
/// <param name="font">The font.</param>
/// <returns>Font information.</returns>
public override FontInfo GetFontInformation(FontX3D font)
{
var typeface = WpfFontManager.ToWpf(font.Font);
var scale = font.Font.Size;
return(new FontInfo(typeface.FontFamily.LineSpacing * scale, typeface.CapsHeight * scale, typeface.FontFamily.LineSpacing * scale - typeface.CapsHeight * scale, font.Font.Size));
}
/// <summary>
/// Gets the raw character outline, i.e. the polygonal shape that forms a character. The polygons are in their raw form, i.e. not simplified.
/// </summary>
/// <param name="textChar">The text character.</param>
/// <param name="font">The font. The font size of this font is ignored, because it is given in the next parameter.</param>
/// <param name="fontSize">Size of the font.</param>
/// <returns>The list of polygons which forms the character.</returns>
protected override RawCharacterOutline GetRawCharacterOutline(char textChar, FontX font, double fontSize)
{
var result = new RawCharacterOutline();
Typeface typeface = WpfFontManager.ToWpf(font);
FontFamily fontFamily = typeface.FontFamily;
if (!typeface.TryGetGlyphTypeface(out var glyphTypeface))
{
return(result);
}
if (!glyphTypeface.CharacterToGlyphMap.TryGetValue(textChar, out var glyphNumber))
{
return(result);
}
// Fill in the geometry
result.AdvanceWidth = fontSize * glyphTypeface.AdvanceWidths[glyphNumber];
result.LeftSideBearing = fontSize * glyphTypeface.LeftSideBearings[glyphNumber];
result.RightSideBearing = fontSize * glyphTypeface.RightSideBearings[glyphNumber];
result.FontSize = fontSize;
result.LineSpacing = fontSize * fontFamily.LineSpacing;
result.Baseline = fontSize * fontFamily.Baseline;
var glyphGeo = (PathGeometry)glyphTypeface.GetGlyphOutline(glyphNumber, fontSize, 0);
var polygonList = new List <PolygonClosedD2D>();
foreach (PathFigure figure in glyphGeo.Figures)
{
var polygon = PathGeometryHelper.GetGlyphPolygon(figure, true, 5, 0.001 * fontSize);
polygonList.Add(polygon);
}
result.Outline = polygonList;
return(result);
}
