public TagsRemover(string fileName)
{
Stream stream = new FileStream(fileName, FileMode.Open);
SwfReader reader = new SwfReader(stream);
swf = reader.ReadSwf();
stream.Close();
}
public Swf RemoveTags(int tagCode)
{
if (swf == null) return null;
List<BaseTag> tags = new List<BaseTag>();
foreach (BaseTag tag in swf)
if (tag.TagCode != tagCode) tags.Add(tag);
Swf newSwf = new Swf(swf.Header, tags.ToArray());
newSwf.Version = swf.Version;
swf = newSwf;
return newSwf;
}
/// <summary>
/// Writes the (compressed or uncompressed) swf data to a stream.
/// The stream gets flushed and closed afterwards.
/// </summary>
public void Write(Swf swf) {
swf.UpdateData(); // update tag lengths to adapt to bytecode length
SwfHeader header = swf.Header;
BinaryWriter writer = new BinaryWriter(baseStream,System.Text.Encoding.GetEncoding("ascii")); // ASCII seems to be ok for Flash 5 and 6+ as well
BinaryWriter dataWriter = writer;
bool isCompressed = (header.Signature[0]=='C');
if (isCompressed) {
// SharpZipLib makes it easy for us, simply chain a Deflater into the stream
DeflaterOutputStream def = new DeflaterOutputStream(baseStream);
dataWriter = new BinaryWriter(def);
}
// writer header data, always uncompressed
writer.Write(header.Signature);
writer.Write(swf.Version);
writer.Write(swf.ByteCount);
writer.Flush();
// write header data pt.2, using either original stream or deflater stream
dataWriter.Write(header.Rect);
dataWriter.Write(header.Fps);
dataWriter.Write(header.Frames);
// write tag data
foreach (BaseTag tag in swf) {
dataWriter.Write(tag.Data);
}
// flush + close
dataWriter.Flush();
dataWriter.Close();
}
private static BaseTag FindObject(Swf swf, ushort id)
{
foreach (BaseTag tag in swf)
{
if (tag is DefineSpriteTag && (tag as DefineSpriteTag).Id == id)
return tag;
else if (tag is DefineBitsTag && (tag as DefineBitsTag).Id == id)
return tag;
}
return null;
}
public TagsRemover(Swf swfObject)
{
swf = swfObject;
}
