public static OffsetTable Read(BinaryReader reader)
{
var instance = new OffsetTable
{
SfntVersion = reader.ReadBytes(4)
};
var isTrueType = FontFileSignature.IsTrueType(instance.SfntVersion);
if (!isTrueType)
{
throw new FontReaderException("Only TrueType fonts are supported currently");
}
instance.NumTables = reader.ReadUInt16BigEndian();
instance.SearchRange = reader.ReadUInt16BigEndian();
instance.EntrySelector = reader.ReadUInt16BigEndian();
instance.RangeShift = reader.ReadUInt16BigEndian();
instance.TableRecords = new List <TableRecord>();
for (int i = 0; i < instance.NumTables; i++)
{
instance.TableRecords.Add(TableRecord.Read(reader));
}
return(instance);
}
public static TableRecord Read(BinaryReader reader)
{
var instance = new TableRecord
{
TableTag = reader.ReadTag(),
Checksum = reader.ReadUInt32BigEndian(),
Offset = reader.ReadUInt32BigEndian(),
Length = reader.ReadUInt32BigEndian()
};
return(instance);
}
