/// <summary>
/// Extracts the original image to a stream.
/// </summary>
/// <param name="output">A binary writer to the stream.</param>
public void ExtractOriginalImage(Stream output)
{
PiggStream p_stream = new PiggStream(this.LeafInfo);
BinaryReader reader = new BinaryReader(p_stream);
PiggTextureHeader header = this.Header;
int block_size = 0x1000; // Read four kilobytes at a time
int bytes_read;
do
{
byte[] buffer = new byte[block_size];
bytes_read = p_stream.Read(buffer, 0, block_size);
if (bytes_read > 0)
{
output.Write(buffer, 0, bytes_read);
}
} while (bytes_read > 0);
}
/// <summary>
/// Extracts an embedded file using the information contained within the
/// PiggLeafInfo structure.
/// </summary>
/// <param name="output">Stream to which file information is saved.
/// </param>
/// <returns>The total number of bytes written to the stream.</returns>
public int Extract(Stream output)
{
PiggStream p_stream = new PiggStream(this);
int block_size = 0x1000;
byte[] bytes = new byte[block_size];
int total_bytes = 0;
bool end_of_stream = false;
while (end_of_stream == false)
{
int bytes_read = p_stream.Read(bytes, 0, block_size);
total_bytes += bytes_read;
if (bytes_read > 0)
{
output.Write(bytes, 0, bytes_read);
}
else
{
end_of_stream = true;
}
}
return(total_bytes);
}
