//// Methods
//public Font(Font prototype, FontStyle newStyle);
//public Font(FontFamily family, float emSize);
//public Font(string familyName, float emSize);
//public Font(FontFamily family, float emSize, FontStyle style);
//public Font(FontFamily family, float emSize, GraphicsUnit unit);
//public Font(string familyName, float emSize, FontStyle style);
//public Font(string familyName, float emSize, GraphicsUnit unit);
//public Font(FontFamily family, float emSize, FontStyle style, GraphicsUnit unit);
//public Font(string familyName, float emSize, FontStyle style, GraphicsUnit unit);
////public Font(FontFamily family, float emSize, FontStyle style, GraphicsUnit unit, byte gdiCharSet);
////public Font(string familyName, float emSize, FontStyle style, GraphicsUnit unit, byte gdiCharSet);
////public Font(FontFamily family, float emSize, FontStyle style, GraphicsUnit unit, byte gdiCharSet, bool gdiVerticalFont);
////public Font(string familyName, float emSize, FontStyle style, GraphicsUnit unit, byte gdiCharSet, bool gdiVerticalFont);
//public object Clone();
//private static FontFamily CreateFontFamilyWithFallback(string familyName);
//private void Dispose(bool disposing);
//public override bool Equals(object obj);
//protected override void Finalize();
//public static Font FromHdc(IntPtr hdc);
//public static Font FromHfont(IntPtr hfont);
//public static Font FromLogFont(object lf);
//public static Font FromLogFont(object lf, IntPtr hdc);
//public override int GetHashCode();
/// <summary>
/// Initializes this instance by computing the glyph typeface, font family, font source and TrueType fontface.
/// (PDFsharp currently only deals with TrueType fonts.)
/// </summary>
void Initialize()
{
#if DEBUG
if (_familyName == "Segoe UI Semilight" && (_style & XFontStyle.BoldItalic) == XFontStyle.Italic)
{
GetType();
}
#endif
FontResolvingOptions fontResolvingOptions = OverrideStyleSimulations
? new FontResolvingOptions(_style, StyleSimulations)
: new FontResolvingOptions(_style);
// HACK: 'PlatformDefault' is used in unit test code.
if (StringComparer.OrdinalIgnoreCase.Compare(_familyName, GlobalFontSettings.DefaultFontName) == 0)
{
_familyName = "Calibri";
}
// In principle an XFont is an XGlyphTypeface plus an em-size.
_glyphTypeface = XGlyphTypeface.GetOrCreateFrom(_familyName, fontResolvingOptions);
// Create font by using font family.
XFontSource fontSource; // Not needed here.
_gdiFont = FontHelper.CreateFont(_familyName, (float)_emSize, (GdiFontStyle)(_style & XFontStyle.BoldItalic), out fontSource);
CreateDescriptorAndInitializeFontMetrics();
}
/// <summary>
/// Adds the specified font data to the global PrivateFontCollection.
/// Family name and style are automatically retrieved from the font.
/// </summary>
public static void Add(byte[] font)
{
IntPtr unmanagedPointer = Marshal.AllocCoTaskMem(font.Length);
Marshal.Copy(font, 0, unmanagedPointer, font.Length);
Singleton.GetPrivateFontCollection().AddMemoryFont(unmanagedPointer, font.Length);
// Do not free the memory here, AddMemoryFont stores a pointer, not a copy!
//Marshal.FreeCoTaskMem(ip);
XFontSource fontSource = XFontSource.GetOrCreateFrom(font);
string familyName = fontSource.FontName;
if (familyName.EndsWith(" Regular", StringComparison.OrdinalIgnoreCase))
{
familyName = familyName.Substring(0, familyName.Length - 8);
}
bool bold = fontSource.Fontface.os2.IsBold;
bool italic = fontSource.Fontface.os2.IsItalic;
IncompetentlyMakeAHackToFixAProblemYouWoldNeverHaveIfYouUseAFontResolver(fontSource, ref familyName, ref bold, ref italic);
string key = MakeKey(familyName, bold, italic);
Singleton._fontSources.Add(key, fontSource);
string typefaceKey = XGlyphTypeface.ComputeKey(familyName, bold, italic);
FontFactory.CacheExistingFontSourceWithNewTypefaceKey(typefaceKey, fontSource);
}
public static XGlyphTypeface GetOrCreateFrom(string familyName, FontResolvingOptions fontResolvingOptions)
{
// Check cache for requested type face.
string typefaceKey = ComputeKey(familyName, fontResolvingOptions);
XGlyphTypeface glyphTypeface;
if (GlyphTypefaceCache.TryGetGlyphTypeface(typefaceKey, out glyphTypeface))
{
// Just return existing one.
return(glyphTypeface);
}
// Resolve typeface by FontFactory.
FontResolverInfo fontResolverInfo = FontFactory.ResolveTypeface(familyName, fontResolvingOptions, typefaceKey);
if (fontResolverInfo == null)
{
// No fallback - just stop.
throw new InvalidOperationException("No appropriate font found.");
}
// Now create the font family at the first.
// Create new and exclusively used font family for custom font resolver retrieved font source.
XFontFamily fontFamily = XFontFamily.CreateSolitary(fontResolverInfo.FaceName);
// We have a valid font resolver info. That means we also have an XFontSource object loaded in the cache.
////XFontSource fontSource = FontFactory.GetFontSourceByTypefaceKey(fontResolverInfo.FaceName);
XFontSource fontSource = FontFactory.GetFontSourceByFontName(fontResolverInfo.FaceName);
Debug.Assert(fontSource != null);
// Each font source already contains its OpenTypeFontface.
glyphTypeface = new XGlyphTypeface(typefaceKey, fontFamily, fontSource, fontResolverInfo.StyleSimulations);
GlyphTypefaceCache.AddGlyphTypeface(glyphTypeface);
return(glyphTypeface);
}
