SwfTagData ISwfTagVisitor <ISwfStreamWriter, SwfTagData> .Visit(DefineTextTag tag, ISwfStreamWriter writer)
{
writer.WriteUInt16(tag.CharacterID);
writer.WriteRect(tag.TextBounds);
writer.WriteMatrix(ref tag.TextMatrix);
var glyphBitsCounter = new UnsignedBitsCount(0);
var advanceBitsCounter = new SignedBitsCount(0);
foreach (var textRecord in tag.TextRecords)
{
foreach (var glyph in textRecord.Glyphs)
{
glyphBitsCounter.AddValue(glyph.GlyphIndex);
advanceBitsCounter.AddValue(glyph.GlyphAdvance);
}
}
var glyphBits = glyphBitsCounter.GetBits();
var advanceBits = advanceBitsCounter.GetBits();
writer.WriteByte((byte)glyphBits);
writer.WriteByte((byte)advanceBits);
foreach (var textRecord in tag.TextRecords)
{
writer.WriteTextRecordRGB(textRecord, glyphBits, advanceBits);
writer.FlushBits();
}
writer.FlushBits();
return(null);
}
SwfTagBase ISwfTagVisitor <ISwfStreamReader, SwfTagBase> .Visit(DefineTextTag tag, ISwfStreamReader reader)
{
tag.CharacterID = reader.ReadUInt16();
tag.TextBounds = reader.ReadRect();
tag.TextMatrix = reader.ReadMatrix();
uint glyphBits = reader.ReadByte();
uint advanceBits = reader.ReadByte();
foreach (var record in reader.ReadTextRecordsRGB(glyphBits, advanceBits))
{
tag.TextRecords.Add(record);
}
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(DefineTextTag tag, object arg)
{
return(new DefineTextTagFormatter());
}