/// <summary>
/// Reads a <see cref="FontInstance"/> from the specified stream.
/// </summary>
/// <param name="path">The file path.</param>
/// <returns>a <see cref="FontInstance"/>.</returns>
public static FileFontInstance[] LoadFontCollection(string path)
{
using (FileStream fs = File.OpenRead(path))
{
long startPos = fs.Position;
var reader = new BinaryReader(fs, true);
var ttcHeader = TtcHeader.Read(reader);
var fonts = new FileFontInstance[(int)ttcHeader.NumFonts];
for (int i = 0; i < ttcHeader.NumFonts; ++i)
{
fs.Position = startPos + ttcHeader.OffsetTable[i];
var description = FontDescription.LoadDescription(fs);
fonts[i] = new FileFontInstance(description, path, (long)ttcHeader.OffsetTable[i]);
}
return(fonts);
}
}
private IEnumerable <FontFamily> InstallCollectionInternal(Stream fontCollectionStream, CultureInfo culture, out IEnumerable <FontDescription> fontDescriptions)
{
long startPos = fontCollectionStream.Position;
var reader = new BinaryReader(fontCollectionStream, true);
var ttcHeader = TtcHeader.Read(reader);
var result = new List <FontDescription>((int)ttcHeader.NumFonts);
var installedFamilies = new HashSet <FontFamily>();
for (int i = 0; i < ttcHeader.NumFonts; ++i)
{
fontCollectionStream.Position = startPos + ttcHeader.OffsetTable[i];
var instance = FontInstance.LoadFont(fontCollectionStream);
installedFamilies.Add(this.Install(instance, culture));
FontDescription fontDescription = instance.Description;
result.Add(fontDescription);
}
fontDescriptions = result;
return(installedFamilies);
}
internal FileFontInstance(FontDescription description, string path, long offset)
{
this.Description = description;
this.Path = path;
this.font = new Lazy <Fonts.IFontInstance>(() => FontInstance.LoadFont(path, offset));
}
public FileFontInstance(string path, long offset)
: this(FontDescription.LoadDescription(path), path, offset)
{
}
/// <summary> /// Installs the specified font stream. /// </summary> /// <param name="fontStream">The font stream.</param> /// <param name="fontDescription">The font description of the installed font.</param> /// <returns>the description of the font just loaded.</returns> public FontFamily Install(Stream fontStream, out FontDescription fontDescription) => this.InstallInternal(fontStream, CultureInfo.InvariantCulture, out fontDescription);
/// <summary> /// Installs a font from the specified path. /// </summary> /// <param name="path">The path.</param> /// <param name="fontDescription">The font description of the installed font.</param> /// <returns>the description of the font just loaded.</returns> public FontFamily Install(string path, out FontDescription fontDescription) => this.InstallInternal(path, CultureInfo.CurrentCulture, out fontDescription);
public FileFontInstance(string path)
{
this.Description = FontDescription.LoadDescription(path);
this.font = new Lazy <Fonts.FontInstance>(() => FontInstance.LoadFont(path));
}
internal FileFontMetrics(FontDescription description, string path, long offset)
{
this.Description = description;
this.Path = path;
this.metrics = new Lazy <StreamFontMetrics>(() => StreamFontMetrics.LoadFont(path, offset));
}
public FileFontMetrics(string path, long offset)
: this(FontDescription.LoadDescription(path), path, offset)
{
}
