internal static WpfTypeface TryCreateTypeface(string name, XFontStyle style, out WpfFontFamily fontFamily)
{
if (Singleton._fontFamilies.TryGetValue(name, out fontFamily))
{
WpfTypeface typeface = FontHelper.CreateTypeface(fontFamily, style);
return(typeface);
}
return(null);
}
void InitializeFromWpf()
{
if (_wpfFontFamily != null)
{
_wpfTypeface = FontHelper.CreateTypeface(_wpfFontFamily, _style);
}
if (_wpfTypeface != null)
{
_familyName = _wpfTypeface.FontFamily.FamilyNames[XmlLanguage.GetLanguage("en-US")];
_glyphTypeface = XGlyphTypeface.GetOrCreateFromWpf(_wpfTypeface);
}
else
{
Debug.Assert(false);
}
if (_glyphTypeface == null)
{
_glyphTypeface = XGlyphTypeface.GetOrCreateFrom(_familyName, new FontResolvingOptions(_style));
}
CreateDescriptorAndInitializeFontMetrics();
}
//// 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)
{
#if CORE || GDI || WPF
FamilyName = "Calibri";
#endif
}
// In principle an XFont is an XGlyphTypeface plus an em-size.
GlyphTypeface = XGlyphTypeface.GetOrCreateFrom(FamilyName, fontResolvingOptions);
#if GDI // TODO: In CORE build it is not necessary to create a GDI font at all
// Create font by using font family.
XFontSource fontSource; // Not needed here.
_gdiFont = FontHelper.CreateFont(_familyName, (float)_emSize, (GdiFontStyle)(_style & XFontStyle.BoldItalic), out fontSource);
#endif
#if WPF && !SILVERLIGHT // Pure WPF
_wpfFontFamily = _glyphTypeface.FontFamily.WpfFamily;
_wpfTypeface = _glyphTypeface.WpfTypeface;
if (_wpfFontFamily == null)
{
_wpfFontFamily = new WpfFontFamily(Name);
}
if (_wpfTypeface == null)
{
_wpfTypeface = FontHelper.CreateTypeface(WpfFontFamily, _style);
}
#endif
#if WPF && SILVERLIGHT_ // Pure Silverlight 5
if (GlyphTypeface == null)
{
//Debug.Assert(Typeface == null);
// #P F C
//GlyphTypeface = XPrivateFontCollection.TryGetXGlyphTypeface(Name, _style);
//if (GlyphTypeface == null)
//{
// // HACK: Just make it work...
// GlyphTypeface = GlobalFontSettings.TryGetXGlyphTypeface(Name, _style, out Data);
//}
#if DEBUG
if (GlyphTypeface == null)
{
throw new Exception("No font: " + Name);
}
#endif
_wpfFamily = GlyphTypeface.FontFamily;
}
//if (Family == null)
// Family = new System.Windows.Media.FontFamily(Name);
//if (Typeface == null)
// Typeface = FontHelper.CreateTypeface(Family, _style);
#endif
CreateDescriptorAndInitializeFontMetrics();
}