/// <summary>
/// Computes the bijective key for a typeface.
/// </summary>
internal static string ComputeKey(string familyName, FontResolvingOptions fontResolvingOptions)
{
// Compute a human readable key.
string simulationSuffix = "";
if (fontResolvingOptions.OverrideStyleSimulations)
{
switch (fontResolvingOptions.StyleSimulations)
{
case XStyleSimulations.BoldSimulation: simulationSuffix = "|b+/i-"; break;
case XStyleSimulations.ItalicSimulation: simulationSuffix = "|b-/i+"; break;
case XStyleSimulations.BoldItalicSimulation: simulationSuffix = "|b+/i+"; break;
case XStyleSimulations.None: break;
default: throw new ArgumentOutOfRangeException();
}
}
string key = KeyPrefix + familyName.ToLowerInvariant()
+ (fontResolvingOptions.IsItalic ? "/i" : "/n") // normal / oblique / italic
+ (fontResolvingOptions.IsBold ? "/700" : "/400") + "/5" // Stretch.Normal
+ simulationSuffix;
return(key);
}
//// 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();
}
public static XGlyphTypeface GetOrCreateFrom(string familyName, FontResolvingOptions fontResolvingOptions)
{
// Check cache for requested type face.
string typefaceKey = ComputeKey(familyName, fontResolvingOptions);
XGlyphTypeface glyphTypeface;
try
{
// Lock around TryGetGlyphTypeface and AddGlyphTypeface.
Lock.EnterFontFactory();
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.");
}
GdiFont gdiFont = null;
// Now create the font family at the first.
XFontFamily fontFamily;
PlatformFontResolverInfo platformFontResolverInfo = fontResolverInfo as PlatformFontResolverInfo;
if (platformFontResolverInfo != null)
{
// Case: fontResolverInfo was created by platform font resolver
// and contains platform specific objects that are reused.
// Reuse GDI+ font from platform font resolver.
gdiFont = platformFontResolverInfo.GdiFont;
fontFamily = XFontFamily.GetOrCreateFromGdi(gdiFont);
}
else
{
// Case: fontResolverInfo was created by custom font resolver.
// Get or create font family for custom font resolver retrieved font source.
fontFamily = XFontFamily.GetOrCreateFontFamily(familyName);
}
// We have a valid font resolver info. That means we also have an XFontSource object loaded in the cache.
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, gdiFont);
GlyphTypefaceCache.AddGlyphTypeface(glyphTypeface);
}
finally { Lock.ExitFontFactory(); }
return(glyphTypeface);
}
//// 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()
{
FontResolvingOptions fontResolvingOptions = OverrideStyleSimulations
? new FontResolvingOptions(_style, StyleSimulations)
: new FontResolvingOptions(_style);
_glyphTypeface = XGlyphTypeface.GetOrCreateFrom(_familyName, fontResolvingOptions);
CreateDescriptorAndInitializeFontMetrics();
}
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.
XFontFamily fontFamily;
PlatformFontResolverInfo platformFontResolverInfo = fontResolverInfo as PlatformFontResolverInfo;
if (platformFontResolverInfo != null)
{
}
else
{
// Create new and exclusively used font family for custom font resolver retrieved font source.
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, fontSource);
GlyphTypefaceCache.AddGlyphTypeface(glyphTypeface);
return(glyphTypeface);
}
/// <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)
{
}
// In principle an XFont is an XGlyphTypeface plus an em-size.
_glyphTypeface = XGlyphTypeface.GetOrCreateFrom(_familyName, fontResolvingOptions);
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();
}
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.");
}
#if CORE || GDI
GdiFont gdiFont = null;
#endif
#if WPF
WpfFontFamily wpfFontFamily = null;
WpfTypeface wpfTypeface = null;
WpfGlyphTypeface wpfGlyphTypeface = null;
#endif
#if UWP
// Nothing to do.
#endif
// Now create the font family at the first.
XFontFamily fontFamily;
PlatformFontResolverInfo platformFontResolverInfo = fontResolverInfo as PlatformFontResolverInfo;
if (platformFontResolverInfo != null)
{
#if CORE || GDI
// $TODO THHO Lock???
// Reuse GDI+ font from platform font resolver.
gdiFont = platformFontResolverInfo.GdiFont;
fontFamily = XFontFamily.GetOrCreateFromGdi(gdiFont);
#endif
#if WPF
#if !SILVERLIGHT
// Reuse WPF font family created from platform font resolver.
wpfFontFamily = platformFontResolverInfo.WpfFontFamily;
wpfTypeface = platformFontResolverInfo.WpfTypeface;
wpfGlyphTypeface = platformFontResolverInfo.WpfGlyphTypeface;
fontFamily = XFontFamily.GetOrCreateFromWpf(wpfFontFamily);
#else
fontFamily = XFontFamily.GetOrCreateFromWpf(new WpfFontFamily(familyName));
#endif
#endif
#if NETFX_CORE || UWP
fontFamily = null;
#endif
}
else
{
// Create new and exclusively used font family for custom font resolver retrieved font source.
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.
#if CORE || GDI
glyphTypeface = new XGlyphTypeface(typefaceKey, fontFamily, fontSource, fontResolverInfo.StyleSimulations, gdiFont);
#endif
#if WPF
glyphTypeface = new XGlyphTypeface(typefaceKey, fontFamily, fontSource, fontResolverInfo.StyleSimulations, wpfTypeface, wpfGlyphTypeface);
#endif
#if NETFX_CORE || UWP
glyphTypeface = new XGlyphTypeface(typefaceKey, fontFamily, fontSource, fontResolverInfo.StyleSimulations);
#endif
#if __IOS__
glyphTypeface = new XGlyphTypeface(typefaceKey, fontSource);
#endif
glyphTypeface = new XGlyphTypeface(typefaceKey, fontSource);
GlyphTypefaceCache.AddGlyphTypeface(glyphTypeface);
return(glyphTypeface);
}
public static XGlyphTypeface GetOrCreateFrom(string familyName, FontResolvingOptions fontResolvingOptions)
{
// Check cache for requested type face.
string typefaceKey = ComputeKey(familyName, fontResolvingOptions);
XGlyphTypeface glyphTypeface;
try
{
// Lock around TryGetGlyphTypeface and AddGlyphTypeface.
Lock.EnterFontFactory();
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.");
}
#if CORE && !WITHOUT_DRAWING || GDI
GdiFont gdiFont = null;
#endif
#if WPF
WpfFontFamily wpfFontFamily = null;
WpfTypeface wpfTypeface = null;
WpfGlyphTypeface wpfGlyphTypeface = null;
#endif
#if UWP
// Nothing to do.
#endif
// Now create the font family at the first.
XFontFamily fontFamily;
#if !WITHOUT_DRAWING
PlatformFontResolverInfo platformFontResolverInfo = fontResolverInfo as PlatformFontResolverInfo;
if (platformFontResolverInfo != null)
{
// Case: fontResolverInfo was created by platform font resolver
// and contains platform specific objects that are reused.
#if CORE || GDI
// Reuse GDI+ font from platform font resolver.
gdiFont = platformFontResolverInfo.GdiFont;
fontFamily = XFontFamily.GetOrCreateFromGdi(gdiFont);
#endif
#if WPF
#if !SILVERLIGHT
// Reuse WPF font family created from platform font resolver.
wpfFontFamily = platformFontResolverInfo.WpfFontFamily;
wpfTypeface = platformFontResolverInfo.WpfTypeface;
wpfGlyphTypeface = platformFontResolverInfo.WpfGlyphTypeface;
fontFamily = XFontFamily.GetOrCreateFromWpf(wpfFontFamily);
#else
fontFamily = XFontFamily.GetOrCreateFromWpf(new WpfFontFamily(familyName));
#endif
#endif
#if NETFX_CORE || UWP
fontFamily = null;
#endif
}
else
#endif
{
// Case: fontResolverInfo was created by custom font resolver.
// Get or create font family for custom font resolver retrieved font source.
fontFamily = XFontFamily.GetOrCreateFontFamily(familyName);
}
// We have a valid font resolver info. That means we also have an XFontSource object loaded in the cache.
XFontSource fontSource = FontFactory.GetFontSourceByFontName(fontResolverInfo.FaceName);
Debug.Assert(fontSource != null);
// Each font source already contains its OpenTypeFontface.
#if CORE || GDI
glyphTypeface = new XGlyphTypeface(typefaceKey, fontFamily, fontSource, fontResolverInfo.StyleSimulations
#if !WITHOUT_DRAWING
, gdiFont
#endif
);
#endif
#if WPF
glyphTypeface = new XGlyphTypeface(typefaceKey, fontFamily, fontSource, fontResolverInfo.StyleSimulations, wpfTypeface, wpfGlyphTypeface);
#endif
#if NETFX_CORE || UWP
glyphTypeface = new XGlyphTypeface(typefaceKey, fontFamily, fontSource, fontResolverInfo.StyleSimulations);
#endif
GlyphTypefaceCache.AddGlyphTypeface(glyphTypeface);
}
finally { Lock.ExitFontFactory(); }
return(glyphTypeface);
}
