MemoryStream DecompressSwfData(byte[] raw_swf_data)
{
var raw_reader = new SwfStreamReader(raw_swf_data);
OriginalHeader = SwfShortHeader.Read(raw_reader);
switch (OriginalHeader.Format)
{
case "FWS":
return(new MemoryStream(raw_swf_data));
case "CWS":
var rest_stream = SwfStreamReader.DecompressZBytes(
raw_reader.ReadRest());
var new_short_header = new SwfShortHeader {
Format = "FWS",
Version = OriginalHeader.Version,
FileLength = OriginalHeader.FileLength
};
var uncompressed_stream = new MemoryStream();
SwfShortHeader.Write(new_short_header, uncompressed_stream);
rest_stream.WriteTo(uncompressed_stream);
uncompressed_stream.Position = 0;
return(uncompressed_stream);
default:
throw new System.Exception(string.Format(
"Unsupported swf format: {0}", OriginalHeader.Format));
}
}
void DecodeSwf(SwfStreamReader reader, System.Action <float> progress_act)
{
UncompressedHeader = SwfLongHeader.Read(reader);
while (!reader.IsEOF)
{
if (progress_act != null)
{
progress_act((float)(reader.Position + 1) / reader.Length);
}
var tag = SwfTagBase.Read(reader);
if (tag.TagType == SwfTagType.End)
{
break;
}
Tags.Add(tag);
}
}