private int decodeClipEventFlags(SwfDecoder r)
{
int flags;
if (r.swfVersion >= 6)
{
flags = (int)r.readUI32();
}
else
{
flags = r.readUI16();
}
return(flags);
}
public DebugDecoder(Stream in_Renamed)
{
this.in_Renamed = new SwfDecoder(in_Renamed, 0);
}
public DebugDecoder(Stream in_Renamed)
{
this.in_Renamed = new SwfDecoder(in_Renamed, 0);
}
public ActionDecoder(SwfDecoder reader, DebugTable debug)
{
this.reader = reader;
this.debug = debug;
}
public ActionDecoder(SwfDecoder reader):this(reader, null)
{
}
private int decodeClipEventFlags(SwfDecoder r)
{
int flags;
if (r.swfVersion >= 6)
flags = (int) r.readUI32();
else
flags = r.readUI16();
return flags;
}
public Header decodeHeader()
{
Header header = new Header();
byte[] sig = new byte[8];
new BinaryReader(swfIn).BaseStream.Read(sig, 0, sig.Length);
header.version = sig[3];
header.length = sig[4] & 0xFF | (sig[5] & 0xFF) << 8 | (sig[6] & 0xFF) << 16 | sig[7] << 24;
if (sig[0] == 'C' && sig[1] == 'W' && sig[2] == 'S')
{
header.compressed = true;
r = new SwfDecoder(new DeflateStream(swfIn, CompressionMode.Decompress, true), header.version, 8);
}
else if (sig[0] == 'F' || sig[1] == 'W' || sig[2] == 'S')
{
r = new SwfDecoder(swfIn, header.version, 8);
}
else
{
handler.error("Invalid signature found. Not a SWF file");
throw new FatalParseException();
}
header.size = decodeRect();
header.rate = r.readUI8() << 8 | r.readUI8();
header.framecount = r.readUI16();
return header;
}
private int decodeRGB(SwfDecoder r)
{
int color = r.readUI8() << 16; // red
color |= r.readUI8() << 8; // green
color |= r.readUI8(); // blue
// resulting format is 0x00RRGGBB
return color;
}
private int decodeRGBA(SwfDecoder r)
{
int color = r.readUI8() << 16; // red
color |= r.readUI8() << 8; // green
color |= r.readUI8(); // blue
color |= r.readUI8() << 24; // alpha
// resulting format is 0xAARRGGBB
return color;
}
private void decodeColorMapData(SwfDecoder r1, DefineBitsLossless tag, int tableSize)
{
tag.colorData = new int[tableSize];
for (int i = 0; i < tableSize; i++)
{
tag.colorData[i] = decodeRGB(r1);
}
int width = tag.width;
int height = tag.height;
if (width % 4 != 0)
{
width = (width / 4 + 1) * 4;
}
tag.data = new byte[width * height];
r1.readFully(tag.data);
}
private Tag decodeDefineBitsLossless(int length)
{
DefineBitsLossless t = new DefineBitsLossless(Flash.Swf.TagValues.stagDefineBitsLossless);
SwfDecoder r1 = r;
int pos = r1.Offset;
int id = r1.readUI16();
t.format = r1.readUI8();
t.width = r1.readUI16();
t.height = r1.readUI16();
byte[] data;
switch (t.format)
{
case 3:
int tableSize = r1.readUI8() + 1;
length -= (r1.Offset - pos);
data = new byte[length];
r1.readFully(data);
r1 = new SwfDecoder(new DeflateStream(new MemoryStream(data), CompressionMode.Decompress, true), SwfVersion);
decodeColorMapData(r1, t, tableSize);
break;
case 4:
case 5:
length -= (r1.Offset - pos);
data = new byte[length];
r1.readFully(data);
r1 = new SwfDecoder(new DeflateStream(new MemoryStream(data), CompressionMode.Decompress, true), SwfVersion);
t.data = new byte[t.width * t.height * 4];
r1.readFully(t.data);
break;
default:
throw new SwfFormatException("Illegal bitmap format " + t.format);
}
dict.add(id, t);
return t;
}
private Tag decodeDefineJPEG3(int length)
{
DefineBitsJPEG3 t;
t = new DefineBitsJPEG3();
int pos = r.Offset;
int id = r.readUI16();
t.alphaDataOffset = r.readUI32();
t.data = new byte[(int) t.alphaDataOffset];
r.readFully(t.data);
length -= (r.Offset - pos);
byte[] temp = new byte[length];
r.readFully(temp);
SwfDecoder r1 = new SwfDecoder(new DeflateStream(new MemoryStream(temp), CompressionMode.Decompress, true), SwfVersion);
int alpha, i = 0;
byte[] alphaData = new byte[length];
while ((alpha = r1.readUI8()) != - 1)
{
if (i == alphaData.Length)
{
byte[] b = new byte[i + length];
Array.Copy(alphaData, 0, b, 0, alphaData.Length);
alphaData = b;
}
alphaData[i] = (byte) alpha;
i++;
}
t.alphaData = new byte[i];
Array.Copy(alphaData, 0, t.alphaData, 0, i);
dict.add(id, t);
return t;
}
private void decodeAlphaColorMapData(SwfDecoder r1, DefineBitsLossless tag, int tableSize)
{
int width = tag.width;
int height = tag.height;
tag.colorData = new int[tableSize];
for (int i = 0; i < tableSize; i++)
{
tag.colorData[i] = decodeRGBA(r1);
}
if (width % 4 != 0)
{
width = (width / 4 + 1) * 4;
}
int data_size = width * height;
tag.data = new byte[data_size];
//r1.read(tag.data);
int i2 = 0;
int b;
while (i2 < data_size)
{
b = r1.readUI8();
if (b != - 1)
{
tag.data[i2] = (byte) b;
i2++;
}
else
{
break;
}
}
int extra = 0;
while (r1.readUI8() != -1)
{
extra++;
}
if (extra > 0)
{
throw new SwfFormatException(extra + " bytes of bitmap data (" + width + "x" + height + ") not read!");
}
else if (i2 != data_size)
{
throw new SwfFormatException("(" + width + "x" + height + ") data buffer " + (data_size - i2) + " bytes too big...");
}
}
public ActionDecoder(SwfDecoder reader, DebugTable debug)
{
this.reader = reader;
this.debug = debug;
}
public ActionDecoder(SwfDecoder reader) : this(reader, null)
{
}