private void ParseTags()
{
bool tagsRemain = true;
while (tagsRemain)
{
/*
RECORDHEADER (short)
Field Type Comment
TagCodeAndLength UI16 Upper 10 bits: tag typeLower 6 bits: tag length
*
RECORDHEADER (long)
Field Type Comment
TagCodeAndLength UI16 Tag type and length of 0x3F Packed together as in short header
Length SI32 Length of tag
*/
uint b = r.GetUI16();
curTag = (TagType)(b >> 6);
curTagLen = b & 0x3F;
if (curTagLen == 0x3F)
{
curTagLen = r.GetUI32();
}
uint tagEnd = r.Position + curTagLen;
//Debug.WriteLine(r.Position + " type: " + ((uint)curTag).ToString("X2") + " -- " + Enum.GetName(typeof(TagType), curTag));
switch (curTag)
{
case TagType.End:
Tags.Add(new EndTag(r));
tagsRemain = false;
break;
case TagType.FileAttributes:
Tags.Add(new FileAttributesTag(r));
break;
case TagType.BackgroundColor:
Tags.Add(new BackgroundColorTag(r));
break;
case TagType.DefineShape:
Tags.Add(new DefineShapeTag(r));
break;
case TagType.DefineShape2:
Tags.Add(new DefineShape2Tag(r));
break;
case TagType.DefineShape3:
Tags.Add(new DefineShape3Tag(r));
break;
case TagType.DefineShape4:
Tags.Add(new DefineShape4Tag(r));
break;
case TagType.PlaceObject:
Tags.Add(new PlaceObjectTag(r, tagEnd));
break;
case TagType.PlaceObject2:
Tags.Add(new PlaceObject2Tag(r, this.Header.Version));
break;
case TagType.PlaceObject3:
Tags.Add(new PlaceObject3Tag(r));
break;
case TagType.RemoveObject:
Tags.Add(new RemoveObjectTag(r));
break;
case TagType.RemoveObject2:
Tags.Add(new RemoveObject2Tag(r));
break;
case TagType.ShowFrame:
Tags.Add(new ShowFrame(r));
break;
case TagType.FrameLabel:
Tags.Add(new FrameLabelTag(r));
break;
case TagType.DefineSprite:
DefineSpriteTag sp = new DefineSpriteTag(r, this.Header.Version);
Tags.Add(sp);
break;
// Bitmaps
case TagType.JPEGTables:
JpegTable = new JPEGTables(r, curTagLen);
Tags.Add(JpegTable);
break;
case TagType.DefineBits:
Tags.Add(new DefineBitsTag(r, curTagLen, false, false));
break;
case TagType.DefineBitsJPEG2:
Tags.Add(new DefineBitsTag(r, curTagLen, true, false));
break;
case TagType.DefineBitsJPEG3:
Tags.Add(new DefineBitsTag(r, curTagLen, true, true));
break;
case TagType.DefineBitsLossless:
Tags.Add(new DefineBitsLosslessTag(r, curTagLen, false));
break;
case TagType.DefineBitsLossless2:
Tags.Add(new DefineBitsLosslessTag(r, curTagLen, true));
break;
// Sound
case TagType.DefineSound:
Tags.Add(new DefineSoundTag(r, curTagLen));
break;
case TagType.StartSound:
Tags.Add(new StartSoundTag(r));
break;
case TagType.SoundStreamHead:
case TagType.SoundStreamHead2:
Tags.Add(new SoundStreamHeadTag(r));
break;
case TagType.SoundStreamBlock:
SoundStreamBlockTag ssb = new SoundStreamBlockTag(r, curTagLen);
TimelineStream.Add(ssb.SoundData);
Tags.Add(ssb);
break;
// text
case TagType.DefineFontInfo:
break;
case TagType.DefineFontInfo2:
break;
case TagType.DefineFont:
break;
case TagType.DefineFont2:
DefineFont2_3 df2 = new DefineFont2_3(r, false);
Tags.Add(df2);
Fonts.Add(df2.FontId, df2);
break;
case TagType.DefineFont3:
DefineFont2_3 df3 = new DefineFont2_3(r, true);
Tags.Add(df3);
Fonts.Add(df3.FontId, df3);
break;
case TagType.DefineFontAlignZones:
DefineFontAlignZonesTag dfaz = new DefineFontAlignZonesTag(r, Fonts);
Tags.Add(dfaz);
break;
case TagType.CSMTextSettings:
CSMTextSettingsTag csm = new CSMTextSettingsTag(r);
Tags.Add(csm);
break;
case TagType.DefineText:
DefineTextTag dt = new DefineTextTag(r, false);
Tags.Add(dt);
break;
case TagType.DefineText2:
DefineTextTag dt2 = new DefineTextTag(r, true);
Tags.Add(dt2);
break;
case TagType.DefineEditText:
Tags.Add(new DefineEditTextTag(r));
break;
case TagType.DefineFontName:
Tags.Add(new DefineFontName(r));
break;
// buttons
case TagType.DefineButton:
Tags.Add(new DefineButton(r));
break;
case TagType.DefineButton2:
Tags.Add(new DefineButton2(r));
break;
case TagType.DefineButtonCxform:
Tags.Add(new DefineButtonCxform(r));
break;
case TagType.DefineButtonSound:
Tags.Add(new DefineButtonSound(r));
break;
// actions
case TagType.ExportAssets:
Tags.Add(new ExportAssetsTag(r));
break;
case TagType.DoAction:
Tags.Add(new DoActionTag(r, curTagLen));
break;
case TagType.DoInitAction:
Tags.Add(new DoActionTag(r, curTagLen, true));
break;
// todo: defineMorphShape
case TagType.DefineMorphShape:
Tags.Add(new UnsupportedDefinitionTag(r, "Morphs not supported"));
r.SkipBytes(curTagLen);
break;
// todo: defineVideoStream
case TagType.DefineVideoStream:
Tags.Add(new UnsupportedDefinitionTag(r, "Video not supported"));
r.SkipBytes(curTagLen);
break;
case TagType.ImportAssets:
case TagType.ImportAssets2:
Tags.Add(new UnsupportedDefinitionTag(r, "Import Assets not yet supported"));
r.SkipBytes(curTagLen);
break;
// todo: ImportAssets tags
default:
// skip if unknown
#if(DEBUG)
Debug.WriteLine("unknown type: " + ((uint)curTag).ToString("X2") + " -- " + Enum.GetName(typeof(TagType), curTag));
r.SkipBytes(curTagLen);
break;
// throw new Exception("not defined " + ((uint)curTag).ToString("X2") + " -- " + Enum.GetName(typeof(TagType), curTag));
#else
Debug.WriteLine("unknown type: " + ((uint)curTag).ToString("X2") + " -- " + Enum.GetName(typeof(TagType), curTag));
Log.AppendLine("Unhandled swf tag: " + ((uint)curTag).ToString("X2") + " -- " + Enum.GetName(typeof(TagType), curTag));
r.SkipBytes(curTagLen);
break;
#endif
}
if (tagEnd != r.Position)
{
Debug.WriteLine("bad tag: " + Enum.GetName(typeof(TagType), curTag));
Log.AppendLine("Tag not fully parsed: " + Enum.GetName(typeof(TagType), curTag));
r.Position = tagEnd;
}
}
}
private void ParseDefineSpriteTag(DefineSpriteTag tag)
{
foreach (ISwfTag t in tag.ControlTags)
{
this.ParseTag(t);
}
}
private void ParseDefineSpriteTag(DefineSpriteTag tag)
{
uint rootFrame = curFrame;
curFrame = 0;
curTimeline = new Timeline(v.NextId());
curTimeline.FrameCount = tag.FrameCount;
curTimeline.Id = tag.SpriteId;
curTimeline.Duration = GetDuration(tag.FrameCount);
v.Definitions.Add(curTimeline.Id, curTimeline);
curDepthChart = new SortedDictionary<uint, Instance>();
foreach (ISwfTag t in tag.ControlTags)
{
this.ParseTag(t);
}
WriteEndTimes();
curTimeline.StrokeBounds = ParseSpriteBounds(tag);
curTimeline = RootTimeline;
curDepthChart = rootDepthChart;
curFrame = rootFrame;
}
private Rectangle ParseSpriteBounds(DefineSpriteTag tag)
{
Rectangle result = Rectangle.Empty;
for (int i = 0; i < tag.FirstFrameObjects.Count; i++)
{
PlaceObjectTag o = (PlaceObjectTag)tag.FirstFrameObjects[i];
// yahoo has forward refs here... guard for now
uint index = o.Character;
if (!v.Definitions.ContainsKey(index))
{
continue;
}
IDefinition def = this.v.Definitions[index];
Rectangle bnds = def.StrokeBounds;
if (o.HasMatrix)
{
Point[] pts = new Point[] { bnds.Point, new Point(bnds.Point.X + bnds.Size.Width, bnds.Point.Y + bnds.Size.Height) };
// bugfix: needed to transform the translation from twips
Matrix m = new Matrix(o.Matrix.ScaleX, o.Matrix.Rotate0, o.Matrix.Rotate1, o.Matrix.ScaleY, o.Matrix.TranslateX / twips, o.Matrix.TranslateY / twips);
m.TransformPoints(pts);
bnds = new Rectangle(pts[0], new Size(pts[1].X - pts[0].X, pts[1].Y - pts[0].Y));
}
if (result == Rectangle.Empty)
{
result = bnds; // first placeObject
}
else
{
result = result.Union(bnds); // second+
}
}
tag.ShapeBounds = new Rect(
(int)result.Point.X,
(int)(result.Point.X + result.Size.Width),
(int)result.Point.Y,
(int)(result.Point.Y + result.Size.Height));
return result;
}
private void ParseTags()
{
bool tagsRemain = true;
while (tagsRemain)
{
/*
* RECORDHEADER (short)
* Field Type Comment
* TagCodeAndLength UI16 Upper 10 bits: tag typeLower 6 bits: tag length
*
* RECORDHEADER (long)
* Field Type Comment
* TagCodeAndLength UI16 Tag type and length of 0x3F Packed together as in short header
* Length SI32 Length of tag
*/
uint b = r.GetUI16();
curTag = (TagType)(b >> 6);
curTagLen = b & 0x3F;
if (curTagLen == 0x3F)
{
curTagLen = r.GetUI32();
}
uint tagEnd = r.Position + curTagLen;
//Debug.WriteLine(r.Position + " type: " + ((uint)curTag).ToString("X2") + " -- " + Enum.GetName(typeof(TagType), curTag));
switch (curTag)
{
case TagType.End:
Tags.Add(new EndTag(r));
tagsRemain = false;
break;
case TagType.FileAttributes:
Tags.Add(new FileAttributesTag(r));
break;
case TagType.BackgroundColor:
Tags.Add(new BackgroundColorTag(r));
break;
case TagType.DefineShape:
Tags.Add(new DefineShapeTag(r));
break;
case TagType.DefineShape2:
Tags.Add(new DefineShape2Tag(r));
break;
case TagType.DefineShape3:
Tags.Add(new DefineShape3Tag(r));
break;
case TagType.DefineShape4:
Tags.Add(new DefineShape4Tag(r));
break;
case TagType.PlaceObject:
Tags.Add(new PlaceObjectTag(r, tagEnd));
break;
case TagType.PlaceObject2:
Tags.Add(new PlaceObject2Tag(r, this.Header.Version));
break;
case TagType.PlaceObject3:
Tags.Add(new PlaceObject3Tag(r));
break;
case TagType.RemoveObject:
Tags.Add(new RemoveObjectTag(r));
break;
case TagType.RemoveObject2:
Tags.Add(new RemoveObject2Tag(r));
break;
case TagType.ShowFrame:
Tags.Add(new ShowFrame(r));
break;
case TagType.FrameLabel:
Tags.Add(new FrameLabelTag(r));
break;
case TagType.DefineSprite:
DefineSpriteTag sp = new DefineSpriteTag(r, this.Header.Version);
Tags.Add(sp);
break;
// Bitmaps
case TagType.JPEGTables:
JpegTable = new JPEGTables(r, curTagLen);
Tags.Add(JpegTable);
break;
case TagType.DefineBits:
Tags.Add(new DefineBitsTag(r, curTagLen, false, false));
break;
case TagType.DefineBitsJPEG2:
Tags.Add(new DefineBitsTag(r, curTagLen, true, false));
break;
case TagType.DefineBitsJPEG3:
Tags.Add(new DefineBitsTag(r, curTagLen, true, true));
break;
case TagType.DefineBitsLossless:
Tags.Add(new DefineBitsLosslessTag(r, curTagLen, false));
break;
case TagType.DefineBitsLossless2:
Tags.Add(new DefineBitsLosslessTag(r, curTagLen, true));
break;
// Sound
case TagType.DefineSound:
Tags.Add(new DefineSoundTag(r, curTagLen));
break;
case TagType.StartSound:
Tags.Add(new StartSoundTag(r));
break;
case TagType.SoundStreamHead:
case TagType.SoundStreamHead2:
Tags.Add(new SoundStreamHeadTag(r));
break;
case TagType.SoundStreamBlock:
SoundStreamBlockTag ssb = new SoundStreamBlockTag(r, curTagLen);
TimelineStream.Add(ssb.SoundData);
Tags.Add(ssb);
break;
// text
case TagType.DefineFontInfo:
break;
case TagType.DefineFontInfo2:
break;
case TagType.DefineFont:
break;
case TagType.DefineFont2:
DefineFont2_3 df2 = new DefineFont2_3(r, false);
Tags.Add(df2);
Fonts.Add(df2.FontId, df2);
break;
case TagType.DefineFont3:
DefineFont2_3 df3 = new DefineFont2_3(r, true);
Tags.Add(df3);
Fonts.Add(df3.FontId, df3);
break;
case TagType.DefineFontAlignZones:
DefineFontAlignZonesTag dfaz = new DefineFontAlignZonesTag(r, Fonts);
Tags.Add(dfaz);
break;
case TagType.CSMTextSettings:
CSMTextSettingsTag csm = new CSMTextSettingsTag(r);
Tags.Add(csm);
break;
case TagType.DefineText:
DefineTextTag dt = new DefineTextTag(r, false);
Tags.Add(dt);
break;
case TagType.DefineText2:
DefineTextTag dt2 = new DefineTextTag(r, true);
Tags.Add(dt2);
break;
case TagType.DefineEditText:
Tags.Add(new DefineEditTextTag(r));
break;
case TagType.DefineFontName:
Tags.Add(new DefineFontName(r));
break;
// buttons
case TagType.DefineButton:
Tags.Add(new DefineButton(r));
break;
case TagType.DefineButton2:
Tags.Add(new DefineButton2(r));
break;
case TagType.DefineButtonCxform:
Tags.Add(new DefineButtonCxform(r));
break;
case TagType.DefineButtonSound:
Tags.Add(new DefineButtonSound(r));
break;
// actions
case TagType.ExportAssets:
Tags.Add(new ExportAssetsTag(r));
break;
case TagType.DoAction:
Tags.Add(new DoActionTag(r, curTagLen));
break;
case TagType.DoInitAction:
Tags.Add(new DoActionTag(r, curTagLen, true));
break;
// todo: defineMorphShape
case TagType.DefineMorphShape:
Tags.Add(new UnsupportedDefinitionTag(r, "Morphs not supported"));
r.SkipBytes(curTagLen);
break;
// todo: defineVideoStream
case TagType.DefineVideoStream:
Tags.Add(new UnsupportedDefinitionTag(r, "Video not supported"));
r.SkipBytes(curTagLen);
break;
case TagType.ImportAssets:
case TagType.ImportAssets2:
Tags.Add(new UnsupportedDefinitionTag(r, "Import Assets not yet supported"));
r.SkipBytes(curTagLen);
break;
// todo: ImportAssets tags
case TagType.SymbolClass:
SymbolClassTag tag = new SymbolClassTag(r, curTagLen);
Tags.Add(tag);
for (int i = 0; i < tag.Ids.Length; i++)
{
SymbolClasses.Add(tag.Ids[i], tag.Names[i]);
}
break;
default:
// skip if unknown
#if (DEBUG)
Debug.WriteLine("unknown type: " + ((uint)curTag).ToString("X2") + " -- " + Enum.GetName(typeof(TagType), curTag));
r.SkipBytes(curTagLen);
break;
// throw new Exception("not defined " + ((uint)curTag).ToString("X2") + " -- " + Enum.GetName(typeof(TagType), curTag));
#else
Debug.WriteLine("unknown type: " + ((uint)curTag).ToString("X2") + " -- " + Enum.GetName(typeof(TagType), curTag));
Log.AppendLine("Unhandled swf tag: " + ((uint)curTag).ToString("X2") + " -- " + Enum.GetName(typeof(TagType), curTag));
r.SkipBytes(curTagLen);
break;
#endif
}
if (tagEnd != r.Position)
{
Debug.WriteLine("bad tag: " + Enum.GetName(typeof(TagType), curTag));
Log.AppendLine("Tag not fully parsed: " + Enum.GetName(typeof(TagType), curTag));
r.Position = tagEnd;
}
}
}