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();
}
}
/// <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);
}
