protected virtual ITypefaceFont ReadFile(TrueTypeHeader header, IEnumerable <TrueTypeTableEntry> dirs, BigEndianReader reader, long startOffset, IFontInfo reference)
{
var entries = new TrueTypeTableEntryList(dirs);
TrueTypeFile file = new TrueTypeFile(header, entries);
TrueTypeTableFactory factory = this.GetTableFactory();
foreach (TrueTypeTableEntry dir in dirs)
{
TrueTypeFontTable tbl = factory.ReadTable(dir, entries, reader);
if (tbl != null)
{
dir.SetTable(tbl);
}
}
file.EnsureReferenceMatched(reference);
byte[] data = CopyStreamData(reader.BaseStream, startOffset);
file.SetFileData(data, this.DataFormat);
return(file);
}
protected void Read(BigEndianReader reader)
{
TrueTypeHeader header;
if (TrueTypeHeader.TryReadHeader(reader, out header) == false)
{
throw new NotSupportedException("The current stream is not a supported OpenType or TrueType font file");
}
List <TrueTypeTableEntry> dirs;
try
{
dirs = new List <TrueTypeTableEntry>();
for (int i = 0; i < header.NumberOfTables; i++)
{
TrueTypeTableEntry dir = new TrueTypeTableEntry();
dir.Read(reader);
dirs.Add(dir);
}
dirs.Sort(delegate(TrueTypeTableEntry one, TrueTypeTableEntry two) { return(one.Offset.CompareTo(two.Offset)); });
this._dirs = new TrueTypeTableEntryList(dirs);
this._head = header;
TrueTypeTableFactory factory = this.GetFactory(header);
foreach (TrueTypeTableEntry dir in dirs)
{
TrueTypeFontTable tbl = factory.ReadTable(dir, this, reader);
if (tbl != null)
{
dir.SetTable(tbl);
}
}
}
catch (Exception ex) { throw new TypefaceReadException("Could not read the TTF File", ex); }
}