public static ISwfStreamReader GetSwfStreamReader(SwfFileInfo info, Stream stream)
{
if (info.Format == SwfFormat.FWS)
{
return(new SwfStreamReader(stream));
}
MemoryStream memoryStream = new MemoryStream();
SwfZip.Decompress(stream, memoryStream, info.Format);
return(new SwfStreamReader(memoryStream));
}
public static void WriteSwfFileInfo(this ISwfStreamWriter writer, SwfFileInfo fileInfo)
{
string format = fileInfo.Format;
if (format == null || format.Length != 3)
throw new InvalidOperationException("Format should be of length 3");
writer.WriteByte((byte)format[0]);
writer.WriteByte((byte)format[1]);
writer.WriteByte((byte)format[2]);
writer.WriteByte(fileInfo.Version);
var len = fileInfo.FileLength;
writer.WriteByte((byte)((len >> 0) & 0xff));
writer.WriteByte((byte)((len >> 8) & 0xff));
writer.WriteByte((byte)((len >> 16) & 0xff));
writer.WriteByte((byte)((len >> 24) & 0xff));
}
public static void WriteSwfFileInfo(this ISwfStreamWriter writer, SwfFileInfo fileInfo)
{
string format = fileInfo.Format.ToString();
if (string.IsNullOrEmpty(format) || format.Length != 3)
{
throw new InvalidOperationException("Format should be of length 3");
}
writer.WriteByte((byte)format[0]);
writer.WriteByte((byte)format[1]);
writer.WriteByte((byte)format[2]);
writer.WriteByte(fileInfo.Version);
var len = fileInfo.FileLength;
writer.WriteByte((byte)((len >> 0) & 0xff));
writer.WriteByte((byte)((len >> 8) & 0xff));
writer.WriteByte((byte)((len >> 16) & 0xff));
writer.WriteByte((byte)((len >> 24) & 0xff));
}
protected static ISwfStreamReader GetSwfStreamReader(SwfFileInfo info, Stream stream)
{
switch (info.Format) {
case "CWS":
var mem = new MemoryStream();
SwfZip.Decompress(stream, mem);
return new SwfStreamReader(mem);
case "FWS":
return new SwfStreamReader(stream);
default:
throw new NotSupportedException("Illegal file format");
}
}