//WARNING: Reads without event flags
/// <summary>
///
/// </summary>
/// <param name="reader"></param>
public void Read(SwfReader reader)
{
uint len = reader.ReadUInt32();
if ((Flags & SwfEventFlags.KeyPress) != 0)
{
KeyCode = reader.ReadUInt8();
}
//TODO: use len
_actions.Read(reader);
}
public virtual void Read(SwfReader reader, bool alpha)
{
SpreadMode = (SwfSpreadMode)reader.ReadUB(2);
InterpolationMode = (SwfInterpolationMode)reader.ReadUB(2);
int n = (int)reader.ReadUB(4);
Ratios = new byte[n];
Colors = new Color[n];
for (int i = 0; i < n; ++i)
{
Ratios[i] = reader.ReadUInt8();
Colors[i] = alpha ? reader.ReadRGBA() : reader.ReadRGB();
}
}
/// <summary>
/// Loads flash movie from specified stream.
/// </summary>
/// <param name="input">input stream to load.</param>
/// <param name="options">options to decode tags.</param>
public void Load(Stream input, SwfTagDecodeOptions options)
{
var reader = new SwfReader(input)
{
TagDecodeOptions = options
};
//File Header
var sig = reader.ReadASCII(3);
// "FWS" or "CWS" for ZLIB compressed files (v6.0 or later)
if (sig != "FWS" && sig != "CWS" && sig != "ZWS")
{
throw new BadImageFormatException("Not a valid SWF (Flash) file signature");
}
_version = reader.ReadUInt8(); // file version
reader.FileVersion = _version;
uint fileLength = reader.ReadUInt32(); // file length
//Debug.WriteLine(string.Format("SWF File Length = {0}", fileLength));
// If the file is compressed, this is where the ZLIB decompression ("inflate") begins
if (sig[0] == 'C')
{
reader.Stream = Zip.Uncompress(input);
}
else if (sig[0] == 'Z') // LZMA since v13
{
// reader.Stream = new MemoryStream(Compression.Lzma.Decompress(input));
throw new NotImplementedException();
}
//Movie Header
var frameSize = reader.ReadRect();
_frameSize.Width = frameSize.Width.FromTwips();
_frameSize.Height = frameSize.Height.FromTwips();
_frameRate = reader.ReadFixed16();
_frameCount = reader.ReadUInt16();
//Movie Content
_tags.Read(reader);
}