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 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 void WriteTo(Stream stream, SwfFormat swfFormat)
{
var outputWriter = new SwfStreamWriter(stream);
if (swfFormat != SwfFormat.FWS)
{
var res = new MemoryStream();
WriteTo(res, SwfFormat.FWS);
res.Seek(0, SeekOrigin.Begin);
Compress(res, stream, swfFormat);
}
else
{
var mem = new MemoryStream();
WriteBodyTo(mem);
mem.Seek(0, SeekOrigin.Begin);
outputWriter.WriteSwfFileInfo(new SwfFileInfo {
Format = SwfFormat.FWS,
FileLength = (uint)(mem.Length + 8),
Version = FileInfo.Version
});
mem.WriteTo(stream);
}
outputWriter.Flush();
stream.Flush();
}
public void WriteTo(Stream stream, SwfFormat swfFormat)
{
var outputWriter = new SwfStreamWriter(stream);
if (swfFormat != SwfFormat.FWS)
{
var res = new MemoryStream();
WriteTo(res, SwfFormat.FWS);
res.Seek(0, SeekOrigin.Begin);
Compress(res, stream, swfFormat);
}
else
{
var mem = new MemoryStream();
var writer = new SwfStreamWriter(mem);
writer.WriteSwfHeader(Header);
var bin = new SwfTagSerializer(this);
foreach (var tag in Tags)
{
var tagData = bin.GetTagData(tag);
writer.WriteTagData(tagData);
}
mem.Seek(0, SeekOrigin.Begin);
outputWriter.WriteSwfFileInfo(new SwfFileInfo {
Format = SwfFormat.FWS,
FileLength = (uint)(mem.Length + 8),
Version = FileInfo.Version
});
mem.WriteTo(stream);
}
outputWriter.Flush();
stream.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();
}
private byte[] SerializeGlyphsData(IEnumerable <Glyph> glyphs, IList <uint> offsets)
{
var shapesStream = new MemoryStream();
var shapesSwfWriter = new SwfStreamWriter(shapesStream);
foreach (var glyph in glyphs)
{
offsets.Add((uint)shapesStream.Position);
shapesSwfWriter.WriteShapeRecordsRGB(glyph.Records, 1, 0);
shapesSwfWriter.FlushBits();
}
return(shapesStream.ToArray());
}
public SwfTagData GetTagData(SwfTagBase tag)
{
var mem = new MemoryStream();
var writer = new SwfStreamWriter(mem);
tag.AcceptVistor(this, writer);
writer.FlushBits();
if (tag.RestData != null && tag.RestData.Length > 0)
{
writer.WriteBytes(tag.RestData);
}
return(new SwfTagData {
Type = tag.TagType, Data = mem.ToArray()
});
}
public void WriteBodyTo(Stream mem)
{
var writer = new SwfStreamWriter(mem);
writer.WriteSwfHeader(Header);
var bin = new SwfTagSerializer(this);
foreach (var tag in Tags)
{
var tagData = bin.GetTagData(tag);
if (ReserializeAbcOnly && tag is not DoABCTag)
{
tagData.Data = tag.OriginalData;
}
writer.WriteTagData(tagData);
}
}
SwfTagData ISwfTagVisitor <ISwfStreamWriter, SwfTagData> .Visit(DefineButton2Tag tag, ISwfStreamWriter writer)
{
writer.WriteUInt16(tag.ButtonID);
writer.WriteUnsignedBits(tag.ReservedFlags, 7);
writer.WriteBit(tag.TrackAsMenu);
var mem = new MemoryStream();
var buttonsWriter = new SwfStreamWriter(mem);
foreach (var record in tag.Characters)
{
buttonsWriter.WriteButtonRecordEx(record);
}
var actionsOffset = tag.Conditions.Count > 0 ? (mem.Length + 2) : 0;
writer.WriteUInt16((ushort)actionsOffset);
writer.WriteBytes(mem.ToArray());
if (tag.Conditions.Count > 0)
{
for (var i = 0; i < tag.Conditions.Count; i++)
{
var cond = tag.Conditions[i];
var condMem = new MemoryStream();
var condWriter = new SwfStreamWriter(condMem);
condWriter.WriteButtonCondition(cond);
if (i != tag.Conditions.Count - 1)
{
writer.WriteUInt16((ushort)(condMem.Length + 2));
}
else
{
writer.WriteUInt16(0);
}
writer.WriteBytes(condMem.ToArray());
}
}
return(null);
}
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();
}
public void WriteTo(Stream stream, bool compress)
{
var outputWriter = new SwfStreamWriter(stream);
if (compress) {
var res = new MemoryStream();
WriteTo(res, false);
res.Seek(0, SeekOrigin.Begin);
Compress(res, stream);
} else {
var mem = new MemoryStream();
var writer = new SwfStreamWriter(mem);
writer.WriteSwfHeader(Header);
var bin = new SwfTagSerializer(this);
foreach (var tag in Tags) {
var tagData = bin.GetTagData(tag);
writer.WriteTagData(tagData);
}
mem.Seek(0, SeekOrigin.Begin);
outputWriter.WriteSwfFileInfo(new SwfFileInfo {
Format = "FWS",
FileLength = (uint)(mem.Length + 8),
Version = FileInfo.Version
});
mem.WriteTo(stream);
}
outputWriter.Flush();
stream.Flush();
}
