private string GetVersion(TrueTypeReader reader)
{
reader.Seek(0);
var versionBuf = reader.ReadFixed();
return(BitConverter.ToString(versionBuf).Replace("-", ""));
}
public TrueTypeFont(Stream fontStream)
{
var reader = new TrueTypeReader(fontStream);
Version = GetVersion(reader);
this.NumberOfTables = reader.ReadUShort();
this.SearchRange = reader.ReadUShort();
this.EntrySelector = reader.ReadUShort();
this.RangeShift = reader.ReadUShort();
var tableEntries = new List <FontTableHeaderEntry>();
for (var i = 0; i < this.NumberOfTables; i++)
{
tableEntries.Add(new FontTableHeaderEntry()
{
Type = (FontTableType)reader.ReadULong(),
Checksum = reader.ReadULong(),
Offset = reader.ReadULong(),
Length = reader.ReadULong()
});
}
Tables = new List <FontTableBase>(this.NumberOfTables);
foreach (var entry in tableEntries)
{
var tableType = ImplementationTypeAttribute.GetTypeFromEnumValue(typeof(FontTableType), entry.Type);
if (tableType == null)
{
continue;
}
var table = Activator.CreateInstance(tableType) as FontTableBase;
table.HeaderEntry = entry;
table.Checksum = entry.Checksum;
table.ReadData(reader, entry.Offset, entry.Length);
Tables.Add(table);
}
reader.Dispose();
ProcessTables();
}