/// <summary>
/// Create the font image using WPF functionality.
/// </summary>
void CreateWpfFontData(XFont font, XPdfFontOptions options)
{
GlyphTypeface glyphTypeface;
if (!font.typeface.TryGetGlyphTypeface(out glyphTypeface))
{
throw new InvalidOperationException(PSSR.CannotGetGlyphTypeface(font.Name));
}
Stream fontStream = null;
try
{
fontStream = glyphTypeface.GetFontStream();
int size = (int)fontStream.Length;
Debug.Assert(size > 0);
this.data = new byte[size];
fontStream.Read(this.data, 0, size);
}
finally
{
if (fontStream != null)
{
fontStream.Close();
}
}
}
/// <summary>
/// Create a WPF GlyphTypeface and retrieve font data from it.
/// </summary>
internal static XFontSource CreateFontSource(string familyName, FontResolvingOptions fontResolvingOptions,
out WpfFontFamily wpfFontFamily, out WpfTypeface wpfTypeface, out WpfGlyphTypeface wpfGlyphTypeface, string typefaceKey)
{
if (string.IsNullOrEmpty(typefaceKey))
{
typefaceKey = XGlyphTypeface.ComputeKey(familyName, fontResolvingOptions);
}
XFontStyle style = fontResolvingOptions.FontStyle;
#if DEBUG
if (StringComparer.OrdinalIgnoreCase.Compare(familyName, "Segoe UI Semilight") == 0 &&
(style & XFontStyle.BoldItalic) == XFontStyle.Italic)
{
familyName.GetType();
}
#endif
// Use WPF technique to create font data.
wpfTypeface = XPrivateFontCollection.TryCreateTypeface(familyName, style, out wpfFontFamily);
#if DEBUG__
if (wpfTypeface != null)
{
WpfGlyphTypeface glyphTypeface;
ICollection <WpfTypeface> list = wpfFontFamily.GetTypefaces();
foreach (WpfTypeface tf in list)
{
if (!tf.TryGetGlyphTypeface(out glyphTypeface))
{
Debug - Break.Break();
}
}
//if (!WpfTypeface.TryGetGlyphTypeface(out glyphTypeface))
// throw new InvalidOperationException(PSSR.CannotGetGlyphTypeface(familyName));
}
#endif
if (wpfFontFamily == null)
{
wpfFontFamily = new WpfFontFamily(familyName);
}
if (wpfTypeface == null)
{
wpfTypeface = FontHelper.CreateTypeface(wpfFontFamily, style);
}
// Let WPF choose the right glyph typeface.
if (!wpfTypeface.TryGetGlyphTypeface(out wpfGlyphTypeface))
{
throw new InvalidOperationException(PSSR.CannotGetGlyphTypeface(familyName));
}
// Get or create the font source and cache it unter the specified typeface key.
XFontSource fontSource = XFontSource.GetOrCreateFromWpf(typefaceKey, wpfGlyphTypeface);
return(fontSource);
}
/// <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
}
