private ShapeDef ReadShapeDef(SWFDataTypeReader shapeReader, Tag format, bool withStyle, IFillStyle[] fillStyles, ILineStyle[] lineStyles)
{
ShapeDef shapeDef = new ShapeDef();
/* Shapes either don't have fill styles (Font glyphs), they come with a bunch of fill styles
* (Regular shapes) or are preceeded by fill styles which are passed into this method
* (Morph shapes). Could probably be tidier... */
if (fillStyles != null)
{
shapeDef.FillStyles.AddRange(fillStyles);
}
if (lineStyles != null)
{
shapeDef.LineStyles.AddRange(lineStyles);
}
if (withStyle)
{
shapeDef.FillStyles.AddRange(this.ReadFillStyleArray(shapeReader, format));
shapeReader.Align8();
shapeDef.LineStyles.AddRange(this.ReadLineStyleArray(shapeReader, format));
shapeReader.Align8();
}
/* Read the shape stuff... */
int fillBits = (int)shapeReader.ReadUBits(4);
int lineBits = (int)shapeReader.ReadUBits(4);
this.ReadShapeRecordsInto(shapeDef, shapeReader, ref fillBits, ref lineBits, format);
return(shapeDef);
}
private MorphLineStyle ReadMorphLineStyle2(SWFDataTypeReader shapeReader)
{
int startwidth = shapeReader.ReadUI16();
int endwidth = shapeReader.ReadUI16();
CapStyle startCap = (CapStyle)shapeReader.ReadUBits(2);
JoinStyle join = (JoinStyle)shapeReader.ReadUBits(2);
bool hasFill = shapeReader.ReadBit();
bool noHScaling = shapeReader.ReadBit();
bool noVScaling = shapeReader.ReadBit();
bool hasPixelHints = shapeReader.ReadBit();
shapeReader.ReadUBits(5); // Reserved: 0
bool noClose = shapeReader.ReadBit();
CapStyle endCap = (CapStyle)shapeReader.ReadUBits(2);
int?miterLimit = null;
if (join == JoinStyle.Miter)
{
miterLimit = shapeReader.ReadUI16();
}
Color? startColour = null;
Color? endColour = null;
MorphFillStyle fs = null;
if (hasFill)
{
fs = this.ReadMorphFillStyle(shapeReader);
}
else
{
startColour = shapeReader.ReadRGBA();
endColour = shapeReader.ReadRGBA();
}
return(new MorphLineStyle()
{
StartWidth = startwidth,
EndWidth = endwidth,
StartColour = startColour,
EndColour = endColour,
StartCap = startCap,
EndCap = endCap,
Join = join,
HasFill = hasFill,
NoHScaling = noHScaling,
NoVScaling = noVScaling,
HasPixelHints = hasPixelHints,
FillStyle = fs,
MiterLimit = miterLimit
});
}
private LineStyle ReadLineStyle2(SWFDataTypeReader shapeReader, Tag format)
{
int width = shapeReader.ReadUI16();
CapStyle startCap = (CapStyle)shapeReader.ReadUBits(2);
JoinStyle join = (JoinStyle)shapeReader.ReadUBits(2);
bool hasFill = shapeReader.ReadBit();
bool noHScaling = shapeReader.ReadBit();
bool noVScaling = shapeReader.ReadBit();
bool hasPixelHints = shapeReader.ReadBit();
shapeReader.ReadUBits(5); /* Reserved: 0 */
bool noClose = shapeReader.ReadBit();
CapStyle endCap = (CapStyle)shapeReader.ReadUBits(2);
int?miterLimit = null;
if (join == JoinStyle.Miter)
{
miterLimit = shapeReader.ReadUI16();
}
Color? c = null;
FillStyle fs = null;
if (hasFill)
{
fs = this.ReadFillStyle(shapeReader, format);
}
else
{
c = shapeReader.ReadRGBA();
}
return(new LineStyle()
{
Width = width,
StartCap = startCap,
EndCap = endCap,
Join = join,
HasFill = hasFill,
NoHScaling = noHScaling,
NoVScaling = noVScaling,
HasPixelHints = hasPixelHints,
Colour = c,
FillStyle = fs,
MiterLimit = miterLimit
});
}
private IShape ParseDefineShape4(SWFDataTypeReader shapeReader)
{
Rect bounds = shapeReader.ReadRect();
shapeReader.Align8();
Rect edgeBounds = shapeReader.ReadRect();
shapeReader.Align8();
shapeReader.ReadUBits(5); /* Reserved: 0 */
bool usesFillWinding = shapeReader.ReadBit();
bool usesNonScalingStrokes = shapeReader.ReadBit();
bool usesScalingStrokes = shapeReader.ReadBit();
ShapeDef sws = this.ReadShapeDef(shapeReader, Tag.DefineShape4, true, null, null);
return(new Shape()
{
ShapeDef = sws,
Bounds = bounds,
UsesScalingStrokes = usesScalingStrokes,
UsesNonScalingStrokes = usesNonScalingStrokes,
UsesFillWinding = usesFillWinding
});
}
private Gradient ReadGradient(SWFDataTypeReader shapeReader, Tag format)
{
GradientSpread spread = (GradientSpread)shapeReader.ReadUBits(2);
GradientInterpolation interp = (GradientInterpolation)shapeReader.ReadUBits(2);
int numRecs = (int)shapeReader.ReadUBits(4);
GradientRecord[] recs = new GradientRecord[numRecs];
for (int i = 0; i < recs.Length; i++)
{
GradientRecord rec = new GradientRecord();
rec.Ratio = shapeReader.ReadUI8();
if (format == Tag.DefineShape || format == Tag.DefineShape2)
{
rec.Colour = shapeReader.ReadRGB();
}
else if (format == Tag.DefineShape3 || format == Tag.DefineShape4)
{
rec.Colour = shapeReader.ReadRGBA();
}
else
{
throw new SWFModellerException(SWFModellerError.Internal, "Can't read gradient in shape format " + format.ToString());
}
recs[i] = rec;
}
return(new Gradient()
{
Records = recs,
Interpolation = interp,
Spread = spread
});
}
private IShape ParseDefineMorphShape(SWFDataTypeReader shapeReader, Tag format)
{
Rect startBounds = shapeReader.ReadRect();
shapeReader.Align8();
Rect endBounds = shapeReader.ReadRect();
shapeReader.Align8();
Rect startEdgeBounds = null;
Rect endEdgeBounds = null;
bool usesNonScalingStrokes = false;
bool usesScalingStrokes = false;
if (format == Tag.DefineMorphShape2)
{
startEdgeBounds = shapeReader.ReadRect();
shapeReader.Align8();
endEdgeBounds = shapeReader.ReadRect();
shapeReader.Align8();
/*(void)*/ shapeReader.ReadUBits(6); /* Reserved. Assume 0 */
usesNonScalingStrokes = shapeReader.ReadBit();
usesScalingStrokes = shapeReader.ReadBit();
}
/*(void)*/ shapeReader.ReadUI32(); /* end edges offset. We don't need this */
MorphFillStyle[] mfsa = this.ReadMorphFillStyleArray(shapeReader);
MorphLineStyle[] mlsa = this.ReadMorphLineStyleArray(shapeReader, format);
ShapeDef startShape = this.ReadShapeDef(shapeReader, format, false, mfsa, mlsa);
ShapeDef endShape = this.ReadShapeDef(shapeReader, format, false, mfsa, mlsa);
return(new MorphShape()
{
Bounds = startBounds,
EndBounds = endBounds,
StartEdgeBounds = startEdgeBounds,
EndEdgeBounds = endEdgeBounds,
UsesNonScalingStrokes = usesNonScalingStrokes,
UsesScalingStrokes = usesScalingStrokes,
StartShape = startShape,
EndShape = endShape
});
}
private void ReadShapeRecordsInto(ShapeDef sws, SWFDataTypeReader shapeReader, ref int fillBits, ref int lineBits, Tag format)
{
List <IShapeRecord> records = new List <IShapeRecord>();
int currentX = 0;
int currentY = 0;
while (true)
{
bool isEdgeRecord = shapeReader.ReadBit();
if (isEdgeRecord)
{
if (shapeReader.ReadBit())
{
/* StraightEdgeRecord */
int bpv = 2 + (int)shapeReader.ReadUBits(4);
bool isGeneralLine = shapeReader.ReadBit();
bool isVertical = false;
if (!isGeneralLine)
{
isVertical = shapeReader.ReadBit();
}
int dx = 0;
int dy = 0;
if (isGeneralLine || !isVertical)
{
dx = shapeReader.ReadSBits(bpv);
}
if (isGeneralLine || isVertical)
{
dy = shapeReader.ReadSBits(bpv);
}
currentX += dx;
currentY += dx;
records.Add(new StraightEdge()
{
DX = dx, DY = dy
});
}
else
{
/* CurvedEdgeRecord */
int bpv = 2 + (int)shapeReader.ReadUBits(4);
int ctrlDX = shapeReader.ReadSBits(bpv);
int ctrlDY = shapeReader.ReadSBits(bpv);
int anchorDX = shapeReader.ReadSBits(bpv);
int anchorDY = shapeReader.ReadSBits(bpv);
currentX += ctrlDX + anchorDX;
currentY += ctrlDY + anchorDY;
records.Add(new CurvedEdge()
{
AnchorDX = anchorDX, AnchorDY = anchorDY, CtrlDX = ctrlDX, CtrlDY = ctrlDY
});
}
}
else
{
uint flags = shapeReader.ReadUBits(5);
if (flags == 0)
{
/* EndShapeRecord */
break;
}
/* StyleChangeRecord */
bool stateMoveTo = (flags & 1) == 1;
flags >>= 1;
bool stateFillStyle0 = (flags & 1) == 1;
flags >>= 1;
bool stateFillStyle1 = (flags & 1) == 1;
flags >>= 1;
bool stateLineStyle = (flags & 1) == 1;
flags >>= 1;
bool stateNewStyles = (flags & 1) == 1;
flags >>= 1;
StyleChange sc = new StyleChange();
if (stateMoveTo)
{
int moveBits = (int)shapeReader.ReadUBits(5);
sc.DX = shapeReader.ReadSBits(moveBits);
sc.DY = shapeReader.ReadSBits(moveBits);
currentX = sc.DX.Value;
currentY = sc.DY.Value;
}
if (stateFillStyle0)
{
sc.FillStyle0 = sws.FillFromIndex((int)shapeReader.ReadUBits(fillBits));
}
if (stateFillStyle1)
{
sc.FillStyle1 = sws.FillFromIndex((int)shapeReader.ReadUBits(fillBits));
}
if (stateLineStyle)
{
sc.LineStyle = (int)shapeReader.ReadUBits(lineBits);
}
if (stateNewStyles)
{
sc.NewFillStyles = this.ReadFillStyleArray(shapeReader, format);
sc.NewLineStyles = this.ReadLineStyleArray(shapeReader, format);
fillBits = (int)shapeReader.ReadUBits(4);
lineBits = (int)shapeReader.ReadUBits(4);
/* ISSUE 21: We're storing new styles defined in shape records in two places and
* in such a way that we can't figure out where we got them from. This makes
* it impossible to reconstruct the SWF data. Kinda need to work out how to
* find styles. */
sws.FillStyles.AddRange(sc.NewFillStyles);
sws.LineStyles.AddRange(sc.NewLineStyles);
}
records.Add(sc);
}
}
shapeReader.Align8();
sws.Records = records.ToArray();
}
private void ReadShapeRecordsInto(ShapeDef sws, SWFDataTypeReader shapeReader, ref int fillBits, ref int lineBits, Tag format)
{
List<IShapeRecord> records = new List<IShapeRecord>();
int currentX = 0;
int currentY = 0;
while (true)
{
bool isEdgeRecord = shapeReader.ReadBit();
if (isEdgeRecord)
{
if (shapeReader.ReadBit())
{
/* StraightEdgeRecord */
int bpv = 2 + (int)shapeReader.ReadUBits(4);
bool isGeneralLine = shapeReader.ReadBit();
bool isVertical = false;
if (!isGeneralLine)
{
isVertical = shapeReader.ReadBit();
}
int dx = 0;
int dy = 0;
if (isGeneralLine || !isVertical)
{
dx = shapeReader.ReadSBits(bpv);
}
if (isGeneralLine || isVertical)
{
dy = shapeReader.ReadSBits(bpv);
}
currentX += dx;
currentY += dx;
records.Add(new StraightEdge() { DX = dx, DY = dy });
}
else
{
/* CurvedEdgeRecord */
int bpv = 2 + (int)shapeReader.ReadUBits(4);
int ctrlDX = shapeReader.ReadSBits(bpv);
int ctrlDY = shapeReader.ReadSBits(bpv);
int anchorDX = shapeReader.ReadSBits(bpv);
int anchorDY = shapeReader.ReadSBits(bpv);
currentX += ctrlDX + anchorDX;
currentY += ctrlDY + anchorDY;
records.Add(new CurvedEdge() { AnchorDX = anchorDX, AnchorDY = anchorDY, CtrlDX = ctrlDX, CtrlDY = ctrlDY });
}
}
else
{
uint flags = shapeReader.ReadUBits(5);
if (flags == 0)
{
/* EndShapeRecord */
break;
}
/* StyleChangeRecord */
bool stateMoveTo = (flags & 1) == 1;
flags >>= 1;
bool stateFillStyle0 = (flags & 1) == 1;
flags >>= 1;
bool stateFillStyle1 = (flags & 1) == 1;
flags >>= 1;
bool stateLineStyle = (flags & 1) == 1;
flags >>= 1;
bool stateNewStyles = (flags & 1) == 1;
flags >>= 1;
StyleChange sc = new StyleChange();
if (stateMoveTo)
{
int moveBits = (int)shapeReader.ReadUBits(5);
sc.DX = shapeReader.ReadSBits(moveBits);
sc.DY = shapeReader.ReadSBits(moveBits);
currentX = sc.DX.Value;
currentY = sc.DY.Value;
}
if (stateFillStyle0)
{
sc.FillStyle0 = sws.FillFromIndex((int)shapeReader.ReadUBits(fillBits));
}
if (stateFillStyle1)
{
sc.FillStyle1 = sws.FillFromIndex((int)shapeReader.ReadUBits(fillBits));
}
if (stateLineStyle)
{
sc.LineStyle = (int)shapeReader.ReadUBits(lineBits);
}
if (stateNewStyles)
{
sc.NewFillStyles = this.ReadFillStyleArray(shapeReader, format);
sc.NewLineStyles = this.ReadLineStyleArray(shapeReader, format);
fillBits = (int)shapeReader.ReadUBits(4);
lineBits = (int)shapeReader.ReadUBits(4);
/* ISSUE 21: We're storing new styles defined in shape records in two places and
* in such a way that we can't figure out where we got them from. This makes
* it impossible to reconstruct the SWF data. Kinda need to work out how to
* find styles. */
sws.FillStyles.AddRange(sc.NewFillStyles);
sws.LineStyles.AddRange(sc.NewLineStyles);
}
records.Add(sc);
}
}
shapeReader.Align8();
sws.Records = records.ToArray();
}
private IShape ParseDefineMorphShape(SWFDataTypeReader shapeReader, Tag format)
{
Rect startBounds = shapeReader.ReadRect();
shapeReader.Align8();
Rect endBounds = shapeReader.ReadRect();
shapeReader.Align8();
Rect startEdgeBounds = null;
Rect endEdgeBounds = null;
bool usesNonScalingStrokes = false;
bool usesScalingStrokes = false;
if (format == Tag.DefineMorphShape2)
{
startEdgeBounds = shapeReader.ReadRect();
shapeReader.Align8();
endEdgeBounds = shapeReader.ReadRect();
shapeReader.Align8();
/*(void)*/shapeReader.ReadUBits(6); /* Reserved. Assume 0 */
usesNonScalingStrokes = shapeReader.ReadBit();
usesScalingStrokes = shapeReader.ReadBit();
}
/*(void)*/shapeReader.ReadUI32(); /* end edges offset. We don't need this */
MorphFillStyle[] mfsa = this.ReadMorphFillStyleArray(shapeReader);
MorphLineStyle[] mlsa = this.ReadMorphLineStyleArray(shapeReader, format);
ShapeDef startShape = this.ReadShapeDef(shapeReader, format, false, mfsa, mlsa);
ShapeDef endShape = this.ReadShapeDef(shapeReader, format, false, mfsa, mlsa);
return new MorphShape()
{
Bounds = startBounds,
EndBounds = endBounds,
StartEdgeBounds = startEdgeBounds,
EndEdgeBounds = endEdgeBounds,
UsesNonScalingStrokes = usesNonScalingStrokes,
UsesScalingStrokes = usesScalingStrokes,
StartShape = startShape,
EndShape = endShape
};
}
private ShapeDef ReadShapeDef(SWFDataTypeReader shapeReader, Tag format, bool withStyle, IFillStyle[] fillStyles, ILineStyle[] lineStyles)
{
ShapeDef shapeDef = new ShapeDef();
/* Shapes either don't have fill styles (Font glyphs), they come with a bunch of fill styles
* (Regular shapes) or are preceeded by fill styles which are passed into this method
* (Morph shapes). Could probably be tidier... */
if (fillStyles != null)
{
shapeDef.FillStyles.AddRange(fillStyles);
}
if (lineStyles != null)
{
shapeDef.LineStyles.AddRange(lineStyles);
}
if (withStyle)
{
shapeDef.FillStyles.AddRange(this.ReadFillStyleArray(shapeReader, format));
shapeReader.Align8();
shapeDef.LineStyles.AddRange(this.ReadLineStyleArray(shapeReader, format));
shapeReader.Align8();
}
/* Read the shape stuff... */
int fillBits = (int)shapeReader.ReadUBits(4);
int lineBits = (int)shapeReader.ReadUBits(4);
this.ReadShapeRecordsInto(shapeDef, shapeReader, ref fillBits, ref lineBits, format);
return shapeDef;
}
private MorphLineStyle ReadMorphLineStyle2(SWFDataTypeReader shapeReader)
{
int startwidth = shapeReader.ReadUI16();
int endwidth = shapeReader.ReadUI16();
CapStyle startCap = (CapStyle)shapeReader.ReadUBits(2);
JoinStyle join = (JoinStyle)shapeReader.ReadUBits(2);
bool hasFill = shapeReader.ReadBit();
bool noHScaling = shapeReader.ReadBit();
bool noVScaling = shapeReader.ReadBit();
bool hasPixelHints = shapeReader.ReadBit();
shapeReader.ReadUBits(5); // Reserved: 0
bool noClose = shapeReader.ReadBit();
CapStyle endCap = (CapStyle)shapeReader.ReadUBits(2);
int? miterLimit = null;
if (join == JoinStyle.Miter)
{
miterLimit = shapeReader.ReadUI16();
}
Color? startColour = null;
Color? endColour = null;
MorphFillStyle fs = null;
if (hasFill)
{
fs = this.ReadMorphFillStyle(shapeReader);
}
else
{
startColour = shapeReader.ReadRGBA();
endColour = shapeReader.ReadRGBA();
}
return new MorphLineStyle()
{
StartWidth = startwidth,
EndWidth = endwidth,
StartColour = startColour,
EndColour = endColour,
StartCap = startCap,
EndCap = endCap,
Join = join,
HasFill = hasFill,
NoHScaling = noHScaling,
NoVScaling = noVScaling,
HasPixelHints = hasPixelHints,
FillStyle = fs,
MiterLimit = miterLimit
};
}
private LineStyle ReadLineStyle2(SWFDataTypeReader shapeReader, Tag format)
{
int width = shapeReader.ReadUI16();
CapStyle startCap = (CapStyle)shapeReader.ReadUBits(2);
JoinStyle join = (JoinStyle)shapeReader.ReadUBits(2);
bool hasFill = shapeReader.ReadBit();
bool noHScaling = shapeReader.ReadBit();
bool noVScaling = shapeReader.ReadBit();
bool hasPixelHints = shapeReader.ReadBit();
shapeReader.ReadUBits(5); /* Reserved: 0 */
bool noClose = shapeReader.ReadBit();
CapStyle endCap = (CapStyle)shapeReader.ReadUBits(2);
int? miterLimit = null;
if (join == JoinStyle.Miter)
{
miterLimit = shapeReader.ReadUI16();
}
Color? c = null;
FillStyle fs = null;
if (hasFill)
{
fs = this.ReadFillStyle(shapeReader, format);
}
else
{
c = shapeReader.ReadRGBA();
}
return new LineStyle()
{
Width = width,
StartCap = startCap,
EndCap = endCap,
Join = join,
HasFill = hasFill,
NoHScaling = noHScaling,
NoVScaling = noVScaling,
HasPixelHints = hasPixelHints,
Colour = c,
FillStyle = fs,
MiterLimit = miterLimit
};
}
private Gradient ReadGradient(SWFDataTypeReader shapeReader, Tag format)
{
GradientSpread spread = (GradientSpread)shapeReader.ReadUBits(2);
GradientInterpolation interp = (GradientInterpolation)shapeReader.ReadUBits(2);
int numRecs = (int)shapeReader.ReadUBits(4);
GradientRecord[] recs = new GradientRecord[numRecs];
for (int i = 0; i < recs.Length; i++)
{
GradientRecord rec = new GradientRecord();
rec.Ratio = shapeReader.ReadUI8();
if (format == Tag.DefineShape || format == Tag.DefineShape2)
{
rec.Colour = shapeReader.ReadRGB();
}
else if (format == Tag.DefineShape3 || format == Tag.DefineShape4)
{
rec.Colour = shapeReader.ReadRGBA();
}
else
{
throw new SWFModellerException(SWFModellerError.Internal, "Can't read gradient in shape format " + format.ToString());
}
recs[i] = rec;
}
return new Gradient()
{
Records = recs,
Interpolation = interp,
Spread = spread
};
}
private IShape ParseDefineShape4(SWFDataTypeReader shapeReader)
{
Rect bounds = shapeReader.ReadRect();
shapeReader.Align8();
Rect edgeBounds = shapeReader.ReadRect();
shapeReader.Align8();
shapeReader.ReadUBits(5); /* Reserved: 0 */
bool usesFillWinding = shapeReader.ReadBit();
bool usesNonScalingStrokes = shapeReader.ReadBit();
bool usesScalingStrokes = shapeReader.ReadBit();
ShapeDef sws = this.ReadShapeDef(shapeReader, Tag.DefineShape4, true, null, null);
return new Shape()
{
ShapeDef = sws,
Bounds = bounds,
UsesScalingStrokes = usesScalingStrokes,
UsesNonScalingStrokes = usesNonScalingStrokes,
UsesFillWinding = usesFillWinding
};
}