/// <summary>
/// Computes the bijective key for a typeface.
/// </summary>
internal static string ComputeKey(string familyName, bool isBold, bool isItalic)
{
return(ComputeKey(familyName, new FontResolvingOptions(FontHelper.CreateStyle(isBold, isItalic))));
}
//// 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();
}
/// <summary>
/// Connects the specifications of a font from XFont to a real glyph type face.
/// </summary>
void Initialize()
{
XFontMetrics fm = null;
#if DEBUG___
FontData[] fontDataArray = FontDataStock.Global.GetFontDataList();
if (fontDataArray.Length > 0)
{
//// GetType();
////#if GDI
//// var x = XPrivateFontCollection.global.GlobalPrivateFontCollection;
//// families = x.Families;
//// bool fff = families[0].IsStyleAvailable(System.Drawing.FontStyle.Regular);
//// fff.GetType();
//// this.font = new Font(families[0].Name, 12, System.Drawing.FontStyle.Regular, GraphicsUnit.Pixel);
//// this.font = new Font("Oblivious", 12, System.Drawing.FontStyle.Regular, GraphicsUnit.Pixel);
//// this.font = new Font(families[0], 12, System.Drawing.FontStyle.Regular, GraphicsUnit.Pixel);
//// System.Drawing.FontFamily f = new System.Drawing.FontFamily(families[0].Name);
//// f.GetType();
////#endif
}
#endif
#if GDI
if (this.font == null)
{
if (this.gdifamily != null)
{
this.font = new Font(this.gdifamily, (float)this.emSize, (System.Drawing.FontStyle) this.style, GraphicsUnit.World);
this.familyName = this.gdifamily.Name; // Do we need this???
}
else
{
// First check private fonts
this.font = XPrivateFontCollection.TryFindPrivateFont(this.familyName, this.emSize, (System.Drawing.FontStyle) this.style) ??
new Font(this.familyName, (float)this.emSize, (System.Drawing.FontStyle) this.style, GraphicsUnit.World);
}
#if DEBUG
// new Font returns MSSansSerif if the requested font was not found ...
//Debug.Assert(this.familyName == this.font.FontFamily.Name);
#endif
}
fm = Metrics;
System.Drawing.FontFamily fontFamily = this.font.FontFamily;
this.unitsPerEm = fm.UnitsPerEm;
System.Drawing.FontFamily fontFamily2 = this.font.FontFamily;
this.cellSpace = fontFamily2.GetLineSpacing(font.Style);
//Debug.Assert(this.cellSpace == fm.Ascent + Math.Abs(fm.Descent) + fm.Leading, "Value differs from information retrieved from font image.");
this.cellAscent = fontFamily.GetCellAscent(font.Style);
#pragma warning disable 1030
#warning delTHHO
//!!!delTHHO 14.08.2008 Debug.Assert(this.cellAscent == fm.Ascent, "Value differs from information retrieved from font image.");
//Debug.Assert(this.cellAscent == fm.Ascent, "Value differs from information retrieved from font image.");
this.cellDescent = fontFamily.GetCellDescent(font.Style);
#if DEBUG
int desc = Math.Abs(fm.Descent);
if (this.cellDescent != desc)
{
Debug.Assert(false, "Value differs from information retrieved from font image.");
}
#endif
#endif
#if WPF
#if !SILVERLIGHT
if (this.family == null)
{
Debug.Assert(this.typeface == null);
this.typeface = XPrivateFontCollection.TryFindTypeface(Name, this.style, out this.family);
#if true
if (this.typeface != null)
{
GlyphTypeface glyphTypeface;
ICollection <Typeface> list = this.family.GetTypefaces();
foreach (Typeface tf in list)
{
if (!tf.TryGetGlyphTypeface(out glyphTypeface))
{
Debugger.Break();
}
}
if (!this.typeface.TryGetGlyphTypeface(out glyphTypeface))
{
throw new InvalidOperationException(PSSR.CannotGetGlyphTypeface(Name));
}
}
#endif
}
if (this.family == null)
{
this.family = new System.Windows.Media.FontFamily(Name);
}
if (typeface == null)
{
this.typeface = FontHelper.CreateTypeface(this.family, style);
}
fm = Metrics;
Debug.Assert(this.unitsPerEm == 0 || this.unitsPerEm == fm.UnitsPerEm);
this.unitsPerEm = fm.UnitsPerEm;
//Debug.Assert(this.cellSpace == 0 || this.cellSpace == fm.Ascent + Math.Abs(fm.Descent) + fm.Leading);
this.cellSpace = fm.Ascent + Math.Abs(fm.Descent) + fm.Leading;
Debug.Assert(this.cellAscent == 0 || this.cellAscent == fm.Ascent);
this.cellAscent = fm.Ascent;
Debug.Assert(this.cellDescent == 0 || this.cellDescent == Math.Abs(fm.Descent));
this.cellDescent = Math.Abs(fm.Descent);
#else
if (fm != null)
{
fm.GetType();
}
#endif
#endif
}