/// <summary>
/// An XGlyphTypeface for a font souce that comes from a custom font resolver
/// creates a solitary font family exclusively for it.
/// </summary>
internal static XFontFamily CreateSolitary(string name)
{
// Custom font resolver face names must not clash with platform family names.
FontFamilyInternal fontFamilyInternal = FontFamilyCache.GetFamilyByName(name);
if (fontFamilyInternal == null)
{
fontFamilyInternal = FontFamilyInternal.GetOrCreateFromName(name, false);
fontFamilyInternal = FontFamilyCache.CacheOrGetFontFamily(fontFamilyInternal);
}
// Create font family and save it in cache. Do not try to create platform objects.
return(new XFontFamily(fontFamilyInternal));
//// Custom font resolver face names must not clash with platform family names.
//if (FontFamilyCache.GetFamilyByName(name) != null)
//{
// // User must rename its font face to resolve naming confilict.
// throw new InvalidOperationException(String.Format("Font face name {0} clashs with existing family name.", name));
//}
//// Create font family and save it in cache. Do not try to create platform objects.
//FontFamilyInternal fontFamilyInternal = FontFamilyInternal.GetOrCreateFromName(name, false);
//fontFamilyInternal = FontFamilyCache.CacheFontFamily(fontFamilyInternal);
//return new XFontFamily(fontFamilyInternal);
}
internal static FontFamilyInternal GetOrCreateFromGdi(GdiFontFamily gdiFontFamily)
{
try
{
Lock.EnterFontFactory();
FontFamilyInternal fontFamily = new FontFamilyInternal(gdiFontFamily);
fontFamily = FontFamilyCache.CacheOrGetFontFamily(fontFamily);
return(fontFamily);
}
finally { Lock.ExitFontFactory(); }
}
internal static FontFamilyInternal GetOrCreateFromName(string familyName, bool createPlatformObject)
{
try
{
Lock.EnterFontFactory();
FontFamilyInternal family = FontFamilyCache.GetFamilyByName(familyName);
if (family == null)
{
family = new FontFamilyInternal(familyName, createPlatformObject);
family = FontFamilyCache.CacheOrGetFontFamily(family);
}
return(family);
}
finally { Lock.ExitFontFactory(); }
}
/// <summary>
/// Caches the font family or returns a previously cached one.
/// </summary>
public static FontFamilyInternal CacheOrGetFontFamily(FontFamilyInternal fontFamily)
{
try
{
Lock.EnterFontFactory();
// Recall that a font family is uniquely identified by its case insensitive name.
FontFamilyInternal existingFontFamily;
if (Singleton._familiesByName.TryGetValue(fontFamily.Name, out existingFontFamily))
{
return(existingFontFamily);
}
Singleton._familiesByName.Add(fontFamily.Name, fontFamily);
return(fontFamily);
}
finally { Lock.ExitFontFactory(); }
}
/// <summary>
/// Initializes a new instance of the <see cref="XFontFamily"/> class from FontFamilyInternal.
/// </summary>
XFontFamily(FontFamilyInternal fontFamilyInternal)
{
FamilyInternal = fontFamilyInternal;
}
internal XFontFamily(string familyName, bool createPlatformObjects)
{
FamilyInternal = FontFamilyInternal.GetOrCreateFromName(familyName, createPlatformObjects);
}
/// <summary>
/// Initializes a new instance of the <see cref="XFontFamily"/> class.
/// </summary>
/// <param name="familyName">The family name of a font.</param>
public XFontFamily(string familyName)
{
FamilyInternal = FontFamilyInternal.GetOrCreateFromName(familyName, true);
}
internal static XFontFamily GetOrCreateFromWpf(WpfFontFamily wpfFontFamily)
{
FontFamilyInternal fontFamilyInternal = FontFamilyInternal.GetOrCreateFromWpf(wpfFontFamily);
return(new XFontFamily(fontFamilyInternal));
}
internal static XFontFamily GetOrCreateFromGdi(GdiFont font)
{
FontFamilyInternal fontFamilyInternal = FontFamilyInternal.GetOrCreateFromGdi(font.FontFamily);
return(new XFontFamily(fontFamilyInternal));
}