public static void Compress(Stream source, Stream target, SwfFormat compressionFormat)
{
var reader = new SwfStreamReader(source);
var outputWriter = new SwfStreamWriter(target);
var fileInfo = reader.ReadSwfFileInfo();
var rest = reader.ReadRest();
if (fileInfo.Format != SwfFormat.FWS)
{
MemoryStream mem = new MemoryStream();
source.Seek(0, SeekOrigin.Begin);
Decompress(source, mem);
mem.Seek(0, SeekOrigin.Begin);
reader = new SwfStreamReader(mem);
fileInfo = reader.ReadSwfFileInfo();
rest = reader.ReadRest();
}
outputWriter.WriteSwfFileInfo(new SwfFileInfo {
Format = compressionFormat,
FileLength = (uint)(rest.Length) + 8,
Version = fileInfo.Version
});
var compressed = new MemoryStream();
SwfZip.Compress(new MemoryStream(rest), compressed, compressionFormat);
outputWriter.WriteBytes(compressed.ToArray());
outputWriter.Flush();
}
public static void Decompress(Stream source, Stream target)
{
var reader = new SwfStreamReader(source);
var outputWriter = new SwfStreamWriter(target);
var fileInfo = reader.ReadSwfFileInfo();
if (fileInfo.Format == SwfFormat.Unknown)
{
throw new NotSupportedException("Illegal file format");
}
var rest = reader.ReadRest();
if (fileInfo.Format == SwfFormat.FWS)
{
outputWriter.WriteSwfFileInfo(fileInfo);
outputWriter.WriteBytes(rest);
return;
}
var uncompressed = new MemoryStream();
SwfZip.Decompress(new MemoryStream(rest), uncompressed, fileInfo.Format);
outputWriter.WriteSwfFileInfo(new SwfFileInfo {
Format = SwfFormat.FWS,
FileLength = (uint)(uncompressed.Length + 8),
Version = fileInfo.Version
});
outputWriter.WriteBytes(uncompressed.ToArray());
outputWriter.Flush();
}
public static void Decompress(Stream source, Stream target)
{
var reader = new SwfStreamReader(source);
var outputWriter = new SwfStreamWriter(target);
var fileInfo = reader.ReadSwfFileInfo();
var rest = reader.ReadRest();
if (fileInfo.Format == "CWS") {
var uncompressed = new MemoryStream();
SwfZip.Decompress(new MemoryStream(rest), uncompressed);
outputWriter.WriteSwfFileInfo(new SwfFileInfo {
Format = "FWS",
FileLength = (uint)(uncompressed.Length),
Version = fileInfo.Version
});
outputWriter.WriteBytes(uncompressed.ToArray());
} else if (fileInfo.Format == "FWS") {
outputWriter.WriteSwfFileInfo(fileInfo);
outputWriter.WriteBytes(rest);
} else {
throw new NotSupportedException("Illegal file format");
}
outputWriter.Flush();
}
public SwfTagBase ReadTag(SwfTagData tagData)
{
var stream = new MemoryStream(tagData.Data);
var reader = new SwfStreamReader(stream);
var type = tagData.Type;
return(ReadTag(type, reader));
}
public static SwfFile ReadFrom(Stream stream)
{
var file = new SwfFile();
ISwfStreamReader reader = new SwfStreamReader(stream);
file.FileInfo = reader.ReadSwfFileInfo();
reader = GetSwfStreamReader(file.FileInfo, stream);
file.Header = reader.ReadSwfHeader();
ReadTags(file, reader);
return file;
}
public SwfTagBase ReadTag(SwfTagData tagData)
{
var stream = new MemoryStream(tagData.Data);
var reader = new SwfStreamReader(stream);
var type = tagData.Type;
var tag = ReadTag(type, reader);
tag.OriginalData = tagData.Data;
return(tag);
}
public static SwfFile ReadFrom(Stream stream)
{
var file = new SwfFile();
ISwfStreamReader reader = new SwfStreamReader(stream);
file.FileInfo = reader.ReadSwfFileInfo();
reader = GetSwfStreamReader(file.FileInfo, stream);
file.Header = reader.ReadSwfHeader();
ReadTags(file, reader);
return(file);
}
public static void Compress(Stream source, Stream target)
{
var reader = new SwfStreamReader(source);
var outputWriter = new SwfStreamWriter(target);
var fileInfo = reader.ReadSwfFileInfo();
var rest = reader.ReadRest();
if (fileInfo.Format == "FWS") {
var compressed = new MemoryStream();
SwfZip.Compress(new MemoryStream(rest), compressed);
outputWriter.WriteSwfFileInfo(new SwfFileInfo {
Format = "CWS",
FileLength = (uint)(rest.Length) + 8,
Version = fileInfo.Version
});
outputWriter.WriteBytes(compressed.ToArray());
} else {
outputWriter.WriteSwfFileInfo(fileInfo);
outputWriter.WriteBytes(rest);
}
outputWriter.Flush();
}
