private void WriteSprite(Sprite s, ListSet <Timeline> unboundClasses)
{
foreach (ICharacterReference cr in s.CharacterRefs)
{
this.WriteCharacter(cr.Character, unboundClasses);
}
if (s.HasClass && !(s.Class is AdobeClass) && !unboundClasses.Contains(s))
{
unboundClasses.Add(s);
}
int id = this.characterMarshal.GetIDFor(s);
WriteBuffer tagWriter = this.OpenTag(Tag.DefineSprite, s.ToString() + ";id=" + id.ToString());
tagWriter.WriteUI16((uint)id);
tagWriter.WriteUI16(s.FrameCount);
#if DEBUG
this.LogMessage("char id=" + id);
#endif
foreach (Frame f in s.Frames)
{
if (f.HasLabel)
{
#if DEBUG
this.LogMessage("frame label=" + f.Label);
#endif
WriteBuffer labelWriter = this.OpenTag(Tag.FrameLabel);
labelWriter.WriteString(f.Label);
this.CloseTag();
}
foreach (IDisplayListItem dli in f.DisplayList)
{
switch (dli.Type)
{
case DisplayListItemType.PlaceObjectX:
this.WritePlaceObjectTag((PlaceObject)dli);
break;
case DisplayListItemType.RemoveObjectX:
this.WriteRemoveObjectTag((RemoveObject)dli);
break;
default:
/* ISSUE 73 */
throw new SWFModellerException(
SWFModellerError.UnimplementedFeature,
"Unsupported tag in SWF sprite writer: " + dli.GetType().ToString());
}
}
this.WriteBodylessTag(Tag.ShowFrame);
}
this.WriteBodylessTag(Tag.End, id.ToString());
this.CloseTag(); /* DefineSprite */
}
private void WriteRemoveObjectTag(RemoveObject ro)
{
WriteBuffer removeBuf = this.OpenTag(ro.HasCharacter ? Tag.RemoveObject : Tag.RemoveObject2);
if (ro.HasCharacter)
{
int cid = this.characterMarshal.GetIDFor(ro.Character);
removeBuf.WriteUI16((uint)cid);
}
removeBuf.WriteUI16((uint)ro.LayerIndex);
this.CloseTag();
}
private WriteBuffer CloseTag()
{
if (this.writers.Count <= 1)
{
throw new SWFModellerException(
SWFModellerError.Internal,
"Call to CloseTag when no tag was open.");
}
WriteBuffer tagWriter = this.writers.Peek();
tagWriter.Align8();
byte[] tagData = tagWriter.Data;
int tagCode = (int)tagWriter.Tag;
#if DEBUG
this.LogMessage("Body length of " + tagWriter.Tag.ToString() + " " + tagData.Length + " bytes on " + tagWriter.LogData, true);
#endif
this.writers.Pop();
tagWriter = this.writers.Peek();
tagWriter.Align8();
if (tagData.Length >= 63)
{
/* Long record header */
int hdr = (tagCode << 6) | 0x3f;
tagWriter.WriteUI16((uint)hdr);
tagWriter.WriteSI32(tagData.Length);
}
else
{
/* Short record header */
int hdr = (tagCode << 6) | tagData.Length;
tagWriter.WriteUI16((uint)hdr);
}
tagWriter.Write(tagData, 0, tagData.Length);
return(tagWriter);
}
private void WriteImage(IImage image)
{
if (characterMarshal.HasMarshalled(image))
{
/* Been there, done that. */
return;
}
ImageBlob blob = image as ImageBlob;
if (blob == null)
{
throw new SWFModellerException(SWFModellerError.Internal, "Can't write " + image.ToString());
}
switch (blob.DataFormat)
{
case Tag.DefineBitsJPEG2:
case Tag.DefineBitsLossless:
case Tag.DefineBitsLossless2:
WriteBuffer blobBuffer = OpenTag(blob.DataFormat);
blobBuffer.WriteUI16((uint)characterMarshal.GetIDFor(image));
blobBuffer.WriteBytes(blob.FormattedBytes);
CloseTag();
break;
case Tag.DefineBits:
if (blob.JPEGTable != null)
{
if (writtenJPEGTable != null && writtenJPEGTable != blob.JPEGTable)
{
/* ISSUE 16 */
throw new SWFModellerException(SWFModellerError.UnimplementedFeature,
"Can't process multiple JPEG encoding tables yet.");
}
WriteBuffer tables = OpenTag(Tag.JPEGTables);
tables.WriteBytes(blob.JPEGTable.TableData);
CloseTag();
writtenJPEGTable = blob.JPEGTable;
}
WriteBuffer bits = OpenTag(Tag.DefineBits);
bits.WriteUI16((uint)characterMarshal.GetIDFor(image));
bits.WriteBytes(blob.FormattedBytes);
CloseTag();
break;
default:
throw new SWFModellerException(SWFModellerError.Internal, "Can't write image format " + blob.DataFormat.ToString());;
}
}
private void BindClasses(ListSet <Timeline> unboundClasses)
{
if (unboundClasses.Count > 0)
{
WriteBuffer symbolBuf = this.OpenTag(Tag.SymbolClass);
symbolBuf.WriteUI16((uint)unboundClasses.Count);
foreach (Timeline t in unboundClasses)
{
symbolBuf.WriteUI16((uint)this.characterMarshal.GetIDFor((ICharacter)t));
symbolBuf.WriteString(t.Class.QualifiedName);
this.LogMessage(
"ID:" +
(uint)this.characterMarshal.GetIDFor((ICharacter)t) +
" => " +
t.Class.QualifiedName);
}
this.CloseTag();
unboundClasses.Clear();
}
}
/// <summary>
/// Note that if you're fixing this method, it shares functionality with
/// CloseTag, which may also need the same fix. Whatever it is you're fixing.
/// </summary>
private void WriteBodylessTag(Tag tag, string log = null)
{
#if DEBUG
this.LogTag(tag, log);
#endif
WriteBuffer tagWriter = this.writers.Peek();
int tagCode = (int)tag;
#if DEBUG
this.LogMessage("Bodyless tag " + tag.ToString(), true);
#endif
/* Short record header */
int hdr = (tagCode << 6);
tagWriter.WriteUI16((uint)hdr);
}
private void WriteFont(SWFFont font, int fid)
{
WriteBuffer fontTag = this.OpenTag(Tag.DefineFont3, font.Name + "; id=" + fid);
char[] codes = font.CodePoints;
/* Tag.DefineFont3 */
{
fontTag.WriteUI16((uint)fid);
fontTag.WriteBit(font.HasLayout);
fontTag.WriteBit(false); /* ISSUE 50: ShiftJIS support */
fontTag.WriteBit(font.IsSmall);
fontTag.WriteBit(false); /* ISSUE 51: ANSI support, though I think this might never be false. */
fontTag.WriteBit(true); /* ISSUE 52: We always write wide offsets. This is because we're too lazy to measure our table. */
fontTag.WriteBit(true); /* Spec says must be true. */
fontTag.WriteBit(font.IsItalic);
fontTag.WriteBit(font.IsBold);
fontTag.WriteUI8((uint)font.LanguageCode);
fontTag.WriteString(font.Name, true);
fontTag.WriteUI16((uint)font.GlyphCount);
byte[][] shapeData = new byte[font.GlyphCount][];
int totalShapeBytes = 0;
for (int i = 0; i < font.GlyphCount; i++)
{
Tag format;
shapeData[i] = ShapeWriter.ShapeToBytes(font.GetGlyphShape(codes[i]), out format);
if (format != Tag.DefineFont3)
{
throw new SWFModellerException(SWFModellerError.Internal, "Can't write non-font shapes as glyphs");
}
totalShapeBytes += shapeData[i].Length;
}
int startOffset = font.GlyphCount * 4 + 4; /* 4 bytes per offset (wide offsets) + 4 for the code table offset */
int nextOffset = startOffset;
foreach (byte[] shapeBytes in shapeData)
{
fontTag.WriteUI32((uint)nextOffset);
nextOffset += shapeBytes.Length;
}
fontTag.WriteUI32((uint)(startOffset + totalShapeBytes));
foreach (byte[] shapeBytes in shapeData)
{
fontTag.WriteBytes(shapeBytes);
}
foreach (char code in codes)
{
fontTag.WriteUI16((uint)code);
}
if (font.HasLayout)
{
fontTag.WriteSI16(font.Ascent.Value);
fontTag.WriteSI16(font.Descent.Value);
fontTag.WriteSI16(font.Leading.Value);
Rect[] bounds = new Rect[font.GlyphCount];
int boundsPos = 0;
foreach (char c in codes)
{
GlyphLayout gl = font.GetLayout(c);
fontTag.WriteSI16(gl.Advance);
bounds[boundsPos++] = gl.Bounds;
}
foreach (Rect bound in bounds)
{
fontTag.WriteRect(bound);
fontTag.Align8();
}
fontTag.WriteUI16((uint)font.KerningTable.Length);
foreach (KerningPair kern in font.KerningTable)
{
fontTag.WriteUI16(kern.LeftChar);
fontTag.WriteUI16(kern.RightChar);
fontTag.WriteSI16(kern.Adjustment);
}
}
}
this.CloseTag();
if (font.HasPixelAlignment)
{
WriteBuffer zonesTag = this.OpenTag(Tag.DefineFontAlignZones, font.Name + "; id=" + fid);
zonesTag.WriteUI16((uint)fid);
if (font.ThicknessHint == null)
{
throw new SWFModellerException(SWFModellerError.Internal, "Can't have pixel aligmnent without a font thickness hint.");
}
zonesTag.WriteUBits((uint)font.ThicknessHint, 2);
zonesTag.WriteUBits(0, 6); /* Reserved */
foreach (char c in codes)
{
PixelAlignment pa = font.GetPixelAligment(c);
if (pa.ZoneInfo.Length != 2)
{
throw new SWFModellerException(SWFModellerError.Internal, "Pixel aligment should always have 2 zones.");
}
zonesTag.WriteUI8((uint)pa.ZoneInfo.Length);
foreach (PixelAlignment.ZoneData zi in pa.ZoneInfo)
{
/* These int values are just unparsed 16-bit floats. */
zonesTag.WriteUI16((uint)zi.AlignmentCoord);
zonesTag.WriteUI16((uint)zi.Range);
}
zonesTag.WriteUBits(0, 6); /* Reserved */
zonesTag.WriteBit(pa.HasY);
zonesTag.WriteBit(pa.HasX);
}
this.CloseTag();
}
if (font.HasExtraNameInfo)
{
WriteBuffer nameTag = this.OpenTag(Tag.DefineFontName, font.FullName + "; id=" + fid);
nameTag.WriteUI16((uint)fid);
nameTag.WriteString(font.FullName);
nameTag.WriteString(font.Copyright);
this.CloseTag();
}
}
/// <param name="fontID">Pass -1 if this has no font.</param>
private void WriteEditText(EditText text, int fontID)
{
int cid = characterMarshal.GetIDFor(text);
WriteBuffer textTag = this.OpenTag(Tag.DefineEditText, "; id=" + cid);
/* Tag.DefineEditText */
{
textTag.WriteUI16((uint)cid);
textTag.WriteRect(text.Bounds);
textTag.Align8();
textTag.WriteBit(text.HasText);
textTag.WriteBit(text.WordWrapEnabled);
textTag.WriteBit(text.IsMultiline);
textTag.WriteBit(text.IsPassword);
textTag.WriteBit(text.IsReadOnly);
textTag.WriteBit(text.HasTextColor);
textTag.WriteBit(text.HasMaxLength);
textTag.WriteBit(text.HasFont);
textTag.WriteBit(text.HasFontClass);
textTag.WriteBit(text.IsAutoSized);
textTag.WriteBit(text.HasLayout);
textTag.WriteBit(text.IsNonSelectable);
textTag.WriteBit(text.HasBorder);
textTag.WriteBit(text.IsStatic);
textTag.WriteBit(text.IsHTML);
textTag.WriteBit(text.UseOutlines);
if (text.HasFont)
{
textTag.WriteUI16((uint)fontID);
}
if (text.HasFontClass)
{
/* ISSUE 14 */
throw new SWFModellerException(SWFModellerError.UnimplementedFeature, "Font classes can't be written.");
}
if (text.HasFont)
{
textTag.WriteUI16((uint)text.FontHeight);
}
if (text.HasTextColor)
{
textTag.WriteRGBA(text.Color.ToArgb());
}
if (text.HasMaxLength)
{
textTag.WriteUI16((uint)text.MaxLength.Value);
}
if (text.HasLayout)
{
EditText.Layout layout = text.LayoutInfo;
textTag.WriteUI8((uint)layout.Align);
textTag.WriteUI16((uint)layout.LeftMargin);
textTag.WriteUI16((uint)layout.RightMargin);
textTag.WriteUI16((uint)layout.Indent);
textTag.WriteSI16(layout.Leading);
}
textTag.WriteString(text.VarName);
if (text.HasText)
{
textTag.WriteString(text.Text);
}
}
CloseTag();
}
private void WriteStaticText(StaticText text)
{
int cid = characterMarshal.GetIDFor(text);
bool hasAlpha = text.HasAlpha;
WriteBuffer textTag = this.OpenTag(hasAlpha ? Tag.DefineText2 : Tag.DefineText, "; id=" + cid);
/* Tag.DefineText(2) */
{
textTag.WriteUI16((uint)cid);
textTag.WriteRect(text.Bounds);
textTag.Align8();
textTag.WriteMatrix(text.Position);
textTag.Align8();
/* ISSUE 49: We're lazy here. We max out the bits for text and advances coz we can't
* yet calculate them. Fix this attrocity. */
int glyphBits = 16;
int advanceBits = 16;
textTag.WriteUI8((uint)glyphBits);
textTag.WriteUI8((uint)advanceBits);
foreach (TextRecord tr in text.Records)
{
Dictionary <char, int> glyphIDX = null;
uint flags = 0x80;
if (tr.HasFont)
{
flags |= 0x08;
}
if (tr.HasColour)
{
flags |= 0x04;
}
if (tr.HasYOffset)
{
flags |= 0x02;
}
if (tr.HasXOffset)
{
flags |= 0x01;
}
textTag.WriteUI8(flags);
if (tr.HasFont)
{
textTag.WriteUI16((uint)this.characterMarshal.GetExistingIDFor(tr.Font));
}
if (tr.HasColour)
{
if (hasAlpha)
{
textTag.WriteRGBA(tr.Colour.ToArgb());
}
else
{
textTag.WriteRGB(tr.Colour.ToArgb());
}
}
if (tr.HasXOffset)
{
textTag.WriteSI16(tr.XOffset);
}
if (tr.HasYOffset)
{
textTag.WriteSI16(tr.YOffset);
}
if (tr.HasFont)
{
textTag.WriteUI16((uint)tr.FontHeight);
glyphIDX = tr.Font.IndexMap;
}
char[] chars = tr.Text.ToCharArray();
if (chars.Length > 255)
{
throw new SWFModellerException(SWFModellerError.Internal, "String too long. This should be split across text records.");
}
textTag.WriteUI8((uint)chars.Length);
for (int i = 0; i < tr.Advances.Length; i++)
{
textTag.WriteUBits((uint)glyphIDX[chars[i]], glyphBits);
textTag.WriteSBits(tr.Advances[i], advanceBits);
}
textTag.Align8();
}
textTag.WriteUI8(0); /* End record */
} /* End of tag code. */
this.CloseTag();
}
private void WriteCharacter(ICharacter ch, ListSet <Timeline> unboundClasses)
{
int cid;
if (ch == null)
{
return;
}
if (this.characterMarshal.HasMarshalled(ch))
{
return;
}
int fontID = -1;
if (ch is IFontUserProcessor)
{
IFontUserProcessor fup = (IFontUserProcessor)ch;
fup.FontUserProc(delegate(IFontUser fu)
{
if (fu.HasFont && !characterMarshal.HasMarshalled(fu.Font))
{
fontID = characterMarshal.GetIDFor(fu.Font);
this.WriteFont(fu.Font, fontID);
}
else
{
fontID = characterMarshal.GetExistingIDFor(fu.Font);
}
});
}
if (ch is IShape)
{
IImage[] images = ((IShape)ch).GetImages();
if (images != null)
{
foreach (IImage image in images)
{
this.WriteImage(image);
}
}
Tag format;
byte[] shapeBytes = ShapeWriter.ShapeToBytes((IShape)ch, out format);
WriteBuffer shapeTag = this.OpenTag(format);
cid = this.characterMarshal.GetIDFor(ch);
shapeTag.WriteUI16((uint)cid);
shapeTag.WriteBytes(shapeBytes);
#if DEBUG
this.LogMessage("char id=" + cid);
#endif
this.CloseTag();
}
else if (ch is Sprite)
{
this.WriteSprite((Sprite)ch, unboundClasses);
}
else if (ch is EditText)
{
this.WriteEditText((EditText)ch, fontID);
}
else if (ch is StaticText)
{
this.WriteStaticText((StaticText)ch);
}
else
{
/* ISSUE 73 */
throw new SWFModellerException(
SWFModellerError.UnimplementedFeature,
"Character of type " + ch.GetType().ToString() + " not currently supported in writer");
}
if (ch is Timeline)
{
Timeline tl = (Timeline)ch;
if (tl.HasClass && !(tl.Class is AdobeClass) && !unboundClasses.Contains(tl))
{
unboundClasses.Add(tl);
}
}
}
private void WritePlaceObjectTag(PlaceObject po)
{
Tag placeTag = this.TagForPlaceObject(po);
WriteBuffer tagWriter = this.OpenTag(placeTag);
int cid;
switch (placeTag)
{
case Tag.PlaceObject:
if (!po.HasCharacter)
{
throw new SWFModellerException(
SWFModellerError.Internal,
"A PlaceObject display list item must have a character unless it is a move instruction.");
}
#if DEBUG
if (!this.characterMarshal.HasMarshalled(po.Character))
{
throw new SWFModellerException(
SWFModellerError.Internal,
"Can't place object that hasn't been written to stream yet.");
}
#endif
cid = this.characterMarshal.GetIDFor(po.Character);
tagWriter.WriteUI16((uint)cid);
#if DEBUG
this.LogMessage("po cid =" + cid);
#endif
tagWriter.WriteUI16((uint)po.LayerIndex);
if (!po.HasMatrix)
{
throw new SWFModellerException(
SWFModellerError.Internal,
"A PlaceObject display list item must have a Matrix, unless it's a PlaceObject2 tag. See spec for info, I can't work it out.");
}
tagWriter.WriteMatrix(po.Matrix);
if (po.HasColorTransform)
{
tagWriter.WriteColorTransform(po.CXForm, false);
}
break;
case Tag.PlaceObject2:
tagWriter.WriteBit(po.HasClipActions);
tagWriter.WriteBit(po.HasClipDepth);
tagWriter.WriteBit(po.HasName);
tagWriter.WriteBit(po.HasRatio);
tagWriter.WriteBit(po.HasColorTransform);
tagWriter.WriteBit(po.HasMatrix);
tagWriter.WriteBit(po.HasCharacter);
tagWriter.WriteBit(po.IsMove);
tagWriter.WriteUI16((uint)po.LayerIndex);
if (po.HasCharacter)
{
#if DEBUG
if (!this.characterMarshal.HasMarshalled(po.Character))
{
throw new SWFModellerException(
SWFModellerError.Internal,
"Can't place object that hasn't been written to stream yet.");
}
#endif
cid = this.characterMarshal.GetIDFor(po.Character);
tagWriter.WriteUI16((uint)cid);
#if DEBUG
this.LogMessage("po cid =" + cid);
#endif
}
if (po.HasMatrix)
{
tagWriter.WriteMatrix(po.Matrix);
}
if (po.HasColorTransform)
{
tagWriter.WriteColorTransform(po.CXForm, true);
}
if (po.HasRatio)
{
tagWriter.WriteUI16((uint)po.Ratio);
}
if (po.HasName)
{
#if DEBUG
this.LogMessage("name=" + po.Name);
#endif
tagWriter.WriteString(po.Name);
}
if (po.HasClipDepth)
{
tagWriter.WriteUI16((uint)po.ClipDepth);
}
if (po.HasClipActions)
{
throw new SWFModellerException(
SWFModellerError.Internal,
"Clips cannot have actions in the target SWF version.");
}
break;
default:
/* ISSUE 73 */
throw new SWFModellerException(
SWFModellerError.UnimplementedFeature,
"Unsupported PlaceObject tag: " + placeTag.ToString());
}
#if DEBUG
this.LogMessage("po char =" + po.Character);
#endif
this.CloseTag();
}
/// <summary>
/// Does the grunt-work of writing all the objects in the SWF file, tagging
/// each of them with a record header.
/// </summary>
private void WriteTags()
{
/* Start with a file attributes tag */
this.WriteFileAttributesTag();
/* Despite background color being specified in the header, flash always puts this in too. */
this.WriteBGColorTag();
if (swf.ProtectHash != null)
{
/* ISSUE 45: This should be an option of some kind. */
WriteBuffer protectTag = this.OpenTag(Tag.Protect);
protectTag.WriteUI16(0); /* Reserved, always 0 */
protectTag.WriteString(swf.ProtectHash);
this.CloseTag();
}
if (this.options.EnableDebugger)
{
WriteBuffer dbugTag = this.OpenTag(Tag.EnableDebugger2);
dbugTag.WriteUI16(0); /* Reserved, always 0 */
dbugTag.WriteString("$1$ZH$B14iwyCzzcXcqLaJz0Mif0"); /* MD5-encoded password "abc"; http://devadraco.blogspot.com/2009/06/guide-to-cracking-enabledebugger2.html */
this.CloseTag();
}
/* ISSUE 46: Write DefineSceneAndFrameLabelData tag */
foreach (DoABC abc in this.swf.Scripts)
{
WriteBuffer abcOut = this.OpenTag(Tag.DoABC);
abcOut.WriteUI32((uint)(abc.IsLazilyInitialized ? ABCValues.AbcFlagLazyInitialize : 0));
abcOut.WriteString(abc.Name);
AbcWriter abcWriter = new AbcWriter();
abcWriter.AssembleIfNecessary(
abc,
this.options.EnableDebugger,
this.swf.Class == null ? null : this.swf.Class.QualifiedName,
this.abcWriteLog);
abcOut.WriteBytes(abc.Bytecode);
this.CloseTag();
}
ListSet <Timeline> writtenSymbolClasses = new ListSet <Timeline>();
ListSet <Timeline> unboundClasses = new ListSet <Timeline>();
foreach (Sprite exported in this.swf.ExportOnFirstFrame)
{
this.WriteSprite(exported, unboundClasses);
}
this.BindClasses(unboundClasses);
if (this.swf.FrameCount > 0)
{
int writtenFrames = 0;
if (this.swf.HasClass)
{
WriteBuffer scbuf = this.OpenTag(Tag.SymbolClass);
scbuf.WriteUI16(1); /* Count */
scbuf.WriteUI16(0); /* Character ref */
scbuf.WriteString(this.swf.Class.QualifiedName); /* Name */
this.LogMessage(this.swf.Class.QualifiedName);
this.CloseTag();
}
foreach (Frame f in this.swf.Frames)
{
if (f.HasLabel)
{
#if DEBUG
this.LogMessage("frame label=" + f.Label);
#endif
WriteBuffer labelWriter = this.OpenTag(Tag.FrameLabel);
labelWriter.WriteString(f.Label);
this.CloseTag();
}
foreach (IDisplayListItem dli in f.DisplayList)
{
switch (dli.Type)
{
case DisplayListItemType.PlaceObjectX:
this.WriteCharacter(((ICharacterReference)dli).Character, unboundClasses);
this.WritePlaceObjectTag((PlaceObject)dli);
break;
case DisplayListItemType.RemoveObjectX:
default:
this.WriteRemoveObjectTag((RemoveObject)dli);
break;
}
}
this.BindClasses(unboundClasses);
this.WriteBodylessTag(Tag.ShowFrame);
writtenFrames++;
List <SymbolClass> symbolClasses = new List <SymbolClass>();
}
}
else
{
/* No SWF should be frameless. Awwww. */
this.WriteBodylessTag(Tag.ShowFrame);
}
/* Finish with an end tag */
this.WriteBodylessTag(Tag.End);
}
