public byte[] ToByteArray()
{
var writer = new SwfWriter();
bool compress = _allowCompression && _version >= MinVersionSupportedComression;
//write header
writer.Write(compress ? SigCWS : SigFWS);
writer.WriteUInt8((byte)_version); //file version
//NOTE: Comment below is from SWF specification.
//The FileLength field is the total length of the SWF file, including the header. If this is an
//uncompressed SWF file (FWS signature), the FileLength field should exactly match the file
//size. If this is a compressed SWF file (CWS signature), the FileLength field indicates the total
//length of the file after decompression, and thus generally does not match the file size.
var data = GetFileData();
int len = data.Length;
if (compress)
{
data = Zip.Compress(data);
//if (data.Length > len)
// len = data.Length;
}
writer.WriteUInt32((uint)(8 + len)); //file length
writer.Write(data);
data = writer.ToByteArray();
return(data);
}
public virtual void Write(SwfWriter writer)
{
int n = Count;
writer.WriteUIntEncoded(n);
for (int i = 0; i < n; ++i)
{
this[i].Write(writer);
}
}
public static void WriteFlags(SwfWriter writer, SwfEventFlags f)
{
int ver = writer.FileVersion;
uint v = ToUInt32(f, ver);
if (ver >= 6)
{
writer.WriteUInt32(v);
}
else
{
writer.WriteUInt16((ushort)v);
}
}
public void Write(SwfWriter writer, bool alpha)
{
bool hasAddTerms = HasAddTerms(alpha);
bool hasMulTerms = HasMulTerms(alpha);
writer.WriteBit(hasAddTerms);
writer.WriteBit(hasMulTerms);
int nbits;
if (hasMulTerms && hasAddTerms)
{
nbits = Math.Max(MulBits(alpha), AddBits(alpha));
}
else if (hasMulTerms)
{
nbits = MulBits(alpha);
}
else
{
nbits = AddBits(alpha);
}
writer.WriteUB((uint)nbits, 4);
if (hasMulTerms)
{
writer.WriteFB16(MulRed, Q, nbits);
writer.WriteFB16(MulGreen, Q, nbits);
writer.WriteFB16(MulBlue, Q, nbits);
if (alpha)
{
writer.WriteFB16(MulAlpha, Q, nbits);
}
}
if (hasAddTerms)
{
writer.WriteFB16(AddRed, Q, nbits);
writer.WriteFB16(AddGreen, Q, nbits);
writer.WriteFB16(AddBlue, Q, nbits);
if (alpha)
{
writer.WriteFB16(AddAlpha, Q, nbits);
}
}
writer.Align();
}
public void Write(SwfWriter writer)
{
WriteFlags(writer, Flags);
var eventWriter = new SwfWriter {
FileVersion = writer.FileVersion
};
if ((Flags & SwfEventFlags.KeyPress) != 0)
{
eventWriter.WriteUInt8(KeyCode);
}
_actions.Write(eventWriter);
var eventData = eventWriter.ToByteArray();
writer.WriteUInt32((uint)eventData.Length);
writer.Write(eventData);
}
public virtual void Write(SwfWriter writer, bool alpha)
{
writer.WriteUB((uint)SpreadMode, 2);
writer.WriteUB((uint)InterpolationMode, 2);
int n = Ratios.Length;
writer.WriteUB((uint)n, 4);
for (int i = 0; i < n; ++i)
{
writer.WriteUInt8(Ratios[i]);
if (alpha)
{
writer.WriteRGBA(Colors[i]);
}
else
{
writer.WriteRGB(Colors[i]);
}
}
}
private byte[] GetFileData()
{
if (_autoFrameCount)
{
_frameCount = (ushort)_tags.Count(tag => tag.TagCode == SwfTagCode.ShowFrame);
}
var writer = new SwfWriter();
int w = _frameSize.Width.ToTwips();
int h = _frameSize.Height.ToTwips();
writer.WriteRect(0, 0, w, h); //frame size
writer.WriteUFloat16(_frameRate); //frame rate
writer.WriteUInt16(_frameCount); //frame count
//tags (content)
_tags.Write(writer);
return(writer.ToByteArray());
}
public void Write(SwfWriter writer)
{
writer.WriteUInt16(0); //reserved
SwfEvent.WriteFlags(writer, AllEventFlags);
int n = Count;
for (int i = 0; i < n; ++i)
{
this[i].Write(writer);
}
if (writer.FileVersion >= 6)
{
writer.WriteUInt32(0);
}
else
{
writer.WriteUInt16(0);
}
}
public override void Write(SwfWriter writer, bool alpha)
{
base.Write(writer, alpha);
writer.WriteFixed16(FocalPoint);
}
public void Write(SwfWriter writer, SwfTagCode shapeType)
{
Write(writer, SwfShape.HasAlpha(shapeType));
}
