/// <summary>
/// Load information about all fonts found in the cache's directories.
/// </summary>
public void Load()
{
_fonts = new List <Font>();
_fontFiles = new List <FontInfo>();
// Open all *.ttf and *.afm files in each of our font directories
// and test whether it's a font file. If it is a font file then read
// it and get its info. This doesn't load the font, it just
// reads some metadata.
foreach (string dir in _fontDirectories)
{
// True Type fonts
string[] filenames = Directory.GetFiles(dir, "*.ttf");
foreach (string filename in filenames)
{
FontInfo info = TrueTypeFont.GetFontInfo(filename);
_fontFiles.Add(info);
}
// Type 1 fonts
filenames = Directory.GetFiles(dir, "*.afm");
foreach (string filename in filenames)
{
FontInfo info = Type1Font.GetFontInfo(filename);
_fontFiles.Add(info);
}
}
}
public Type1Font(Demon.Font.Type1Font underlying)
{
_underlying = underlying;
_descriptor = new FontDescriptor(
_underlying.PostScriptName, _underlying.Flags, null,
_underlying.ItalicAngle, _underlying.Ascender, _underlying.Descender,
_underlying.CapHeight, _underlying.XAvgCharWidth, _underlying.AdvanceWidthMax,
_underlying.WeightClass, _underlying.XHeight, 0,
_underlying.BoundingBox);
// Underlying widths are reloaded during base.Load
_widths = new FontWidths(_underlying.Widths);
}
/// <summary>
/// Load a named font, ready for use.
/// </summary>
public Font GetFont(string familyName, int weight, bool bold, bool italic, bool underline, bool strikeout)
{
// If we already have this font then don't duplicate it
Font font = null;
foreach (Font candidate in _fonts)
{
if (candidate.FamilyName.ToLower() != familyName.ToLower())
{
continue;
}
if (candidate.Bold != bold)
{
continue;
}
if (candidate.Italic != italic)
{
continue;
}
// If we get here then we've got a match
font = candidate;
break;
}
if (font != null)
{
return(font);
}
// Search our font directories for a file that implements
// the specified font
FontInfo info = FindFont(familyName, weight, bold, italic, underline, strikeout);
if (info == null)
{
string msg = "Font '" + familyName + "'";
if (bold)
{
msg += " bold";
}
if (italic)
{
msg += " italic";
}
if (underline)
{
msg += " underline";
}
if (strikeout)
{
msg += " strikeout";
}
msg += " not found, and no substitute found either.";
throw new Exception(msg);
}
// Create the real font
switch (info.Type)
{
case FontType.TrueType:
font = new TrueTypeFont(info.FileName);
break;
case FontType.Type1:
font = new Type1Font(info.FileName);
break;
}
_fonts.Add(font);
return(font);
}
