SwfTagData ISwfTagVisitor <ISwfStreamWriter, SwfTagData> .Visit(DefineFontTag tag, ISwfStreamWriter writer)
{
writer.WriteUInt16(tag.FontID);
foreach (var offset in tag.OffsetTable)
{
writer.WriteUInt16(offset);
}
return(null);
}
static void ExploreSWF(Stream stream)
{
if (stream == null)
{
return;
}
SwfReader reader = new SwfReader(stream);
//SwfExportTagReader reader = new SwfExportTagReader(stream);
Swf swf = null;
try
{
swf = reader.ReadSwf();
foreach (BaseTag tag in swf)
{
if (tag is ExportTag)
{
ExportTag etag = (ExportTag)tag;
for (int i = 0; i < etag.Ids.Count; i++)
{
BaseTag ftag = FindObject(swf, (ushort)etag.Ids[i]);
if (ftag is DefineSpriteTag)
{
DefineSpriteTag stag = (DefineSpriteTag)ftag;
Console.WriteLine("Symbol '" + etag.Names[i] + "' - " + stag.Size);
}
else if (ftag is DefineSoundTag)
{
DefineSoundTag stag = (DefineSoundTag)ftag;
Console.WriteLine("Sound '" + etag.Names[i] + "' - " + stag.MediaData.Length);
}
else if (ftag is DefineBitsTag)
{
DefineBitsTag btag = (DefineBitsTag)ftag;
Console.WriteLine("Image '" + etag.Names[i] + "' - " + btag.MediaData.Length);
}
}
}
else if (tag is DefineFontTag)
{
DefineFontTag ftag = (DefineFontTag)tag;
Console.WriteLine("Font '" + ftag.Name + "' - " + ftag.Data.Length);
}
}
}
catch (Exception ex)
{
Console.WriteLine("-- Swf error: " + ex.Message);
}
}
SwfTagBase ISwfTagVisitor <ISwfStreamReader, SwfTagBase> .Visit(DefineFontTag tag, ISwfStreamReader reader)
{
tag.FontID = reader.ReadUInt16();
var firstOffset = reader.ReadUInt16();
var glyphsCount = firstOffset / 2;
tag.OffsetTable.Add(firstOffset);
for (var i = 1; i < glyphsCount; i++)
{
tag.OffsetTable.Add(reader.ReadUInt16());
}
return(tag);
}
/// <summary>
/// Read next tag from swf input stream.
/// </summary>
/// <param name="version">Version.</param>
/// <param name="binaryReader">Binary reader.</param>
/// <param name="tagList">Tag list.</param>
/// <returns></returns>
internal static BaseTag ReadTag(byte version, BufferedBinaryReader binaryReader, BaseTagCollection tagList)
{
long posBefore = binaryReader.BaseStream.Position;
RecordHeader rh = new RecordHeader();
rh.ReadData(binaryReader);
int offset = (int)(binaryReader.BaseStream.Position - posBefore);
binaryReader.BaseStream.Position = posBefore;
BaseTag resTag = null;
switch (rh.TagCode)
{
case (int)TagCodeEnum.DefineBits: resTag = new DefineBitsTag(); break;
case (int)TagCodeEnum.DefineBitsJpeg2: resTag = new DefineBitsJpeg2Tag(); break;
case (int)TagCodeEnum.DefineBitsJpeg3: resTag = new DefineBitsJpeg3Tag(); break;
case (int)TagCodeEnum.DefineBitsLossLess: resTag = new DefineBitsLossLessTag(); break;
case (int)TagCodeEnum.DefineBitsLossLess2: resTag = new DefineBitsLossLess2Tag(); break;
case (int)TagCodeEnum.DefineButton: resTag = new DefineButtonTag(); break;
case (int)TagCodeEnum.DefineButton2: resTag = new DefineButton2Tag(); break;
case (int)TagCodeEnum.DefineButtonCxForm: resTag = new DefineButtonCxFormTag(); break;
case (int)TagCodeEnum.DefineButtonSound: resTag = new DefineButtonSoundTag(); break;
case (int)TagCodeEnum.DefineEditText: resTag = new DefineEditTextTag(); break;
case (int)TagCodeEnum.DefineFont: resTag = new DefineFontTag(); break;
case (int)TagCodeEnum.DefineFont2: resTag = new DefineFont2Tag(); break;
case (int)TagCodeEnum.DefineFontInfo: resTag = new DefineFontInfoTag(); break;
case (int)TagCodeEnum.DefineFontInfo2: resTag = new DefineFontInfo2Tag(); break;
case (int)TagCodeEnum.DefineMorphShape: resTag = new DefineMorphShapeTag(); break;
case (int)TagCodeEnum.DefineShape: resTag = new DefineShapeTag(); break;
case (int)TagCodeEnum.DefineShape2: resTag = new DefineShape2Tag(); break;
case (int)TagCodeEnum.DefineShape3: resTag = new DefineShape3Tag(); break;
case (int)TagCodeEnum.DefineSound: resTag = new DefineSoundTag(); break;
case (int)TagCodeEnum.DefineSprite: resTag = new DefineSpriteTag(); break;
case (int)TagCodeEnum.DefineText: resTag = new DefineTextTag(); break;
case (int)TagCodeEnum.DefineText2: resTag = new DefineText2Tag(); break;
case (int)TagCodeEnum.DefineVideoStream: resTag = new DefineVideoStreamTag(); break;
case (int)TagCodeEnum.DoAction: resTag = new DoActionTag(); break;
case (int)TagCodeEnum.EnableDebugger: resTag = new EnableDebuggerTag(); break;
case (int)TagCodeEnum.EnableDebugger2: resTag = new EnableDebugger2Tag(); break;
case (int)TagCodeEnum.End: resTag = new EndTag(); break;
case (int)TagCodeEnum.ExportAssets: resTag = new ExportAssetsTag(); break;
case (int)TagCodeEnum.FrameLabel: resTag = new FrameLabelTag(); break;
case (int)TagCodeEnum.ImportAssets: resTag = new ImportAssetsTag(); break;
case (int)TagCodeEnum.InitAction: resTag = new InitActionTag(); break;
case (int)TagCodeEnum.JpegTable: resTag = new JpegTableTag(); break;
case (int)TagCodeEnum.PlaceObject: resTag = new PlaceObjectTag(); break;
case (int)TagCodeEnum.PlaceObject2: resTag = new PlaceObject2Tag(); break;
case (int)TagCodeEnum.Protect: resTag = new ProtectTag(); break;
case (int)TagCodeEnum.RemoveObject: resTag = new RemoveObjectTag(); break;
case (int)TagCodeEnum.RemoveObject2: resTag = new RemoveObject2Tag(); break;
case (int)TagCodeEnum.ScriptLimit: resTag = new ScriptLimitTag(); break;
case (int)TagCodeEnum.SetBackgroundColor: resTag = new SetBackgroundColorTag(); break;
case (int)TagCodeEnum.SetTabIndex: resTag = new SetTabIndexTag(); break;
case (int)TagCodeEnum.ShowFrame: resTag = new ShowFrameTag(); break;
case (int)TagCodeEnum.SoundStreamBlock: resTag = new SoundStreamBlockTag(); break;
case (int)TagCodeEnum.SoundStreamHead: resTag = new SoundStreamHeadTag(); break;
case (int)TagCodeEnum.SoundStreamHead2: resTag = new SoundStreamHead2Tag(); break;
case (int)TagCodeEnum.StartSound: resTag = new StartSoundTag(); break;
case (int)TagCodeEnum.Metadata: resTag = new MetadataTag(); break;
case (int)TagCodeEnum.SymbolClass: resTag = new SymbolClassTag(); break;
//TODO: Sorenson Codec
case (int)TagCodeEnum.VideoFrame: resTag = ReadVideoFrameTag(binaryReader, tagList); break;
default: resTag = new BaseTag(binaryReader.ReadBytes(System.Convert.ToInt32(rh.TagLength + offset)), rh.TagCode); break;
}
//Read the data of the current tag
resTag.ReadData(version, binaryReader);
//LOG
long mustRead = rh.TagLength + offset;
if (posBefore + mustRead != binaryReader.BaseStream.Position)
{
binaryReader.BaseStream.Position = posBefore + rh.TagLength + offset;
if (log.IsErrorEnabled)
{
log.Error(Enum.GetName(TagCodeEnum.DefineBits.GetType(), rh.TagCode) + "....KO");
}
}
else if (log.IsInfoEnabled)
{
log.Info(Enum.GetName(TagCodeEnum.DefineBits.GetType(), rh.TagCode) + "....OK (" + mustRead + ")");
}
return(resTag);
}
ITagFormatter ISwfTagVisitor <object, ITagFormatter> .Visit(DefineFontTag tag, object arg)
{
return(new DefineFontTagFormatter());
}
private void ExploreSWF(Stream stream)
{
SwfExportTagReader reader = new SwfExportTagReader(stream);
Swf swf = null;
try
{
swf = reader.ReadSwf();
}
catch (Exception ex)
{
Errors.Add("Swf error: " + ex.Message);
}
if (swf == null)
{
return;
}
// list tags
int currentFrame = 1;
foreach (BaseTag tag in swf)
{
if (tag is ExportTag)
{
ExportTag exportTag = tag as ExportTag;
foreach (string name in exportTag.Names)
{
if (name.StartsWith("__Packages."))
{
string cname = name.Substring(11);
if (!Classes.Contains(cname))
{
Classes.Add(cname + frameInfo);
}
}
else if (!Symbols.Contains(name))
{
Symbols.Add(name + frameInfo);
}
}
}
else if (tag is AbcTag)
{
AbcTag abcTag = tag as AbcTag;
ExploreABC(abcTag.abc);
}
else if ((TagCodeEnum)tag.TagCode == TagCodeEnum.ShowFrame)
{
currentFrame++;
frameInfo = " @Frame " + currentFrame;
}
else if (tag is FrameTag)
{
frameInfo = " @Frame " + currentFrame + ": " + (tag as FrameTag).name;
}
else if (tag is DefineFontTag)
{
DefineFontTag ftag = tag as DefineFontTag;
string style = "";
if (ftag.IsBold)
{
style += "Bold ";
}
if (ftag.IsItalics)
{
style += "Italic ";
}
Fonts.Add(ftag.Name + " (" + style + ftag.GlyphCount + ")" + frameInfo);
}
}
}
private void ExploreSWF(Stream stream)
{
SwfExportTagReader reader = new SwfExportTagReader(stream);
Swf swf = null;
try
{
swf = reader.ReadSwf();
}
catch (Exception ex)
{
Errors.Add("Swf error: " + ex.Message);
}
if (swf == null)
{
return;
}
Header = swf.Header;
// list tags
currentFrame = 0;
DeclEntry frame = new DeclEntry("Frame 0");
Frames.Add(frame);
foreach (BaseTag tag in swf)
{
if (tag is ExportTag)
{
ExportTag exportTag = tag as ExportTag;
foreach (string name in exportTag.Names)
{
if (name.StartsWith("__Packages."))
{
string cname = name.Substring(11);
Classes.Add(new DeclEntry(cname));
}
else
{
Symbols.Add(new DeclEntry(name));
}
}
}
else if (tag is DoActionTag)
{
AbcSize += tag.Data.Length;
}
else if (tag is AbcTag)
{
ExploreABC((tag as AbcTag).abc);
AbcSize += tag.Data.Length;
}
else if ((TagCodeEnum)tag.TagCode == TagCodeEnum.ShowFrame)
{
currentFrame++;
frame = new DeclEntry("Frame " + currentFrame);
Frames.Add(frame);
}
else if (tag is FrameTag)
{
frame.Name = (tag as FrameTag).name;
}
else if (tag is DefineFontTag)
{
DefineFontTag ftag = tag as DefineFontTag;
string style = "";
if (ftag.IsBold)
{
style += "Bold ";
}
if (ftag.IsItalics)
{
style += "Italic ";
}
Fonts.Add(new DeclEntry(ftag.Name + " (" + style + ftag.GlyphCount + ")"));
FontsSize += tag.Size;
}
else if ((TagCodeEnum)tag.TagCode == TagCodeEnum.FileAttributes)
{
ParseAttributes(tag);
}
else if ((TagCodeEnum)tag.TagCode == TagCodeEnum.SetBackgroundColor)
{
FileAttributes.Background = (tag.Data[2] << 16 | tag.Data[3] << 8 | tag.Data[4]).ToString("X");
while (FileAttributes.Background.Length < 6)
{
FileAttributes.Background = "0" + FileAttributes.Background;
}
FileAttributes.Background = "#" + FileAttributes.Background;
}
if (tag is DoActionTag || tag is AbcTag)
{
frame.AbcSize += tag.Size;
}
else if (tag is DefineFontTag)
{
frame.FontSize += tag.Size;
}
else
{
frame.DataSize += tag.Size;
}
TotalSize += tag.Size;
}
// empty frame at the end
if (Frames.Count > 1 && frame.DataSize == 4)
{
Frames.Remove(frame);
}
}
