public void Extract(SequentialReader reader, HuffmanTablesDirectory directory)
{
try
{
while (reader.Available() > 0)
{
byte header = reader.GetByte();
HuffmanTableClass tableClass = HuffmanTable.TypeOf((header & 0xF0) >> 4);
int tableDestinationId = header & 0xF;
byte[] lBytes = GetBytes(reader, 16);
int vCount = 0;
foreach (byte b in lBytes)
{
vCount += (b & 0xFF);
}
byte[] vBytes = GetBytes(reader, vCount);
directory.AddTable(new HuffmanTable(tableClass, tableDestinationId, lBytes, vBytes));
}
}
catch (IOException me)
{
directory.AddError(me.ToString());
}
}
public void AddTable(HuffmanTable table)
{
_tables.Add(table);
// update the number-of-tables tag with the current count
Set(TagNumberOfTables, _tables.Count);
}
