public static LineStyleEx ReadLineStyleEx(this ISwfStreamReader reader)
{
var lineStyle = new LineStyleEx {
Width = reader.ReadUInt16(),
StartCapStyle = (CapStyle)reader.ReadUnsignedBits(2),
JoinStyle = (JoinStyle)reader.ReadUnsignedBits(2),
HasFill = reader.ReadBit(),
NoHScale = reader.ReadBit(),
NoVScale = reader.ReadBit(),
PixelHinting = reader.ReadBit(),
Reserved = (byte)reader.ReadUnsignedBits(5),
NoClose = reader.ReadBit(),
EndCapStyle = (CapStyle)reader.ReadUnsignedBits(2)
};
if (lineStyle.JoinStyle == JoinStyle.Miter)
{
lineStyle.MilterLimitFactor = reader.ReadFixedPoint8();
}
if (lineStyle.HasFill)
{
lineStyle.FillStyle = reader.ReadFillStyleRGBA();
}
else
{
lineStyle.Color = reader.ReadRGBA();
}
return(lineStyle);
}
public static SwfMatrix ReadMatrix(this ISwfStreamReader reader)
{
var matrix = SwfMatrix.Identity;
var hasScale = reader.ReadBit();
if (hasScale)
{
var bits = (byte)reader.ReadUnsignedBits(5);
matrix.ScaleX = reader.ReadFixedPoint16(bits);
matrix.ScaleY = reader.ReadFixedPoint16(bits);
}
var hasRotate = reader.ReadBit();
if (hasRotate)
{
var bits = (byte)reader.ReadUnsignedBits(5);
matrix.RotateSkew0 = reader.ReadFixedPoint16(bits);
matrix.RotateSkew1 = reader.ReadFixedPoint16(bits);
}
var translateBits = (byte)reader.ReadUnsignedBits(5);
matrix.TranslateX = reader.ReadSignedBits(translateBits);
matrix.TranslateY = reader.ReadSignedBits(translateBits);
reader.AlignToByte();
return(matrix);
}
public static ButtonCondition ReadButtonCondition(this ISwfStreamReader reader)
{
var res = new ButtonCondition {
IdleToOverDown = reader.ReadBit(),
OutDownToIdle = reader.ReadBit(),
OutDownToOverDown = reader.ReadBit(),
OverDownToOutDown = reader.ReadBit(),
OverDownToOverUp = reader.ReadBit(),
OverUpToOverDown = reader.ReadBit(),
OverUpToIdle = reader.ReadBit(),
IdleToOverUp = reader.ReadBit(),
KeyPress = (byte)reader.ReadUnsignedBits(7),
OverDownToIdle = reader.ReadBit()
};
var ar = new ActionReader(reader);
ActionBase action;
do
{
action = ar.ReadAction();
res.Actions.Add(action);
} while (!(action is ActionEnd));
return(res);
}
public static IList <TextRecordRGB> ReadTextRecordsRGB(this ISwfStreamReader reader, uint glyphBits, uint advanceBits)
{
var res = new List <TextRecordRGB>();
bool isEnd;
do
{
var record = new TextRecordRGB();
record.Type = reader.ReadBit();
record.Reserved = (byte)reader.ReadUnsignedBits(3);
var hasFont = reader.ReadBit();
var hasColor = reader.ReadBit();
var hasYOffset = reader.ReadBit();
var hasXOffset = reader.ReadBit();
isEnd = !record.Type && record.Reserved == 0 && !hasFont && !hasColor && !hasYOffset && !hasXOffset;
if (!isEnd)
{
record.FontID = hasFont ? (ushort?)reader.ReadUInt16() : null;
if (hasColor)
{
record.TextColor = reader.ReadRGB();
}
if (hasXOffset)
{
record.XOffset = reader.ReadSInt16();
}
if (hasYOffset)
{
record.YOffset = reader.ReadSInt16();
}
if (hasFont)
{
record.TextHeight = reader.ReadUInt16();
}
var count = reader.ReadByte();
for (var i = 0; i < count; i++)
{
var entry = reader.ReadGlyphEntry(glyphBits, advanceBits);
record.Glyphs.Add(entry);
}
reader.AlignToByte();
}
res.Add(record);
} while (!isEnd);
return(res);
}
private StraightEdgeShapeRecord ReadStraigtEdgeShapeRecord(ISwfStreamReader reader)
{
var record = new StraightEdgeShapeRecord();
var numBits = reader.ReadUnsignedBits(4) + 2;
var generalLineFlag = reader.ReadBit();
bool vertLineFlag = false;
if (!generalLineFlag)
{
vertLineFlag = reader.ReadBit();
}
if (generalLineFlag || !vertLineFlag)
{
record.DeltaX = reader.ReadSignedBits(numBits);
}
if (generalLineFlag || vertLineFlag)
{
record.DeltaY = reader.ReadSignedBits(numBits);
}
return(record);
}
public static void ReadColorTransformRGBA(this ISwfStreamReader reader, out ColorTransformRGBA transform)
{
var hasAddTerms = reader.ReadBit();
var hasMultTerms = reader.ReadBit();
var bits = reader.ReadUnsignedBits(4);
if (hasMultTerms)
{
transform.RedMultTerm = (short)reader.ReadSignedBits(bits);
transform.GreenMultTerm = (short)reader.ReadSignedBits(bits);
transform.BlueMultTerm = (short)reader.ReadSignedBits(bits);
transform.AlphaMultTerm = (short)reader.ReadSignedBits(bits);
transform.HasMultTerms = true;
}
else
{
transform.RedMultTerm = 0;
transform.GreenMultTerm = 0;
transform.BlueMultTerm = 0;
transform.AlphaMultTerm = 0;
transform.HasMultTerms = false;
}
if (hasAddTerms)
{
transform.RedAddTerm = (short)reader.ReadSignedBits(bits);
transform.GreenAddTerm = (short)reader.ReadSignedBits(bits);
transform.BlueAddTerm = (short)reader.ReadSignedBits(bits);
transform.AlphaAddTerm = (short)reader.ReadSignedBits(bits);
transform.HasAddTerms = true;
}
else
{
transform.RedAddTerm = 0;
transform.GreenAddTerm = 0;
transform.BlueAddTerm = 0;
transform.AlphaAddTerm = 0;
transform.HasAddTerms = false;
}
reader.AlignToByte();
}
public static ButtonRecordEx ReadButtonRecordEx(this ISwfStreamReader reader)
{
var button = new ButtonRecordEx();
button.Reserved = (byte)reader.ReadUnsignedBits(2);
var hasBlendMode = reader.ReadBit();
var hasFilterList = reader.ReadBit();
button.StateHitTest = reader.ReadBit();
button.StateDown = reader.ReadBit();
button.StateOver = reader.ReadBit();
button.StateUp = reader.ReadBit();
var isEnd = !hasBlendMode && !hasFilterList && button.IsEndButton;
if (!isEnd)
{
button.CharacterID = reader.ReadUInt16();
button.PlaceDepth = reader.ReadUInt16();
button.PlaceMatrix = reader.ReadMatrix();
button.ColorTransform = reader.ReadColorTransformRGBA();
reader.AlignToByte();
if (hasFilterList)
{
reader.ReadFilterList(button.Filters);
}
if (hasBlendMode)
{
button.BlendMode = (BlendMode)reader.ReadByte();
}
}
return(button);
}
public T Read(ISwfStreamReader reader, bool allowBigArray, ref uint fillBitsCount, ref uint lineBitsCount)
{
var isEdge = reader.ReadBit();
if (!isEdge)
{
bool stateNewStyles = reader.ReadBit();
bool stateLineStyle = reader.ReadBit();
bool stateFillStyle1 = reader.ReadBit();
bool stateFillStyle0 = reader.ReadBit();
bool stateMoveTo = reader.ReadBit();
if (stateNewStyles || stateLineStyle || stateFillStyle1 || stateFillStyle0 || stateMoveTo)
{
var styleChange = CreateStyleChangeRecord();
styleChange.StateNewStyles = stateNewStyles;
styleChange.StateMoveTo = stateMoveTo;
if (stateMoveTo)
{
var moveBits = reader.ReadUnsignedBits(5);
styleChange.MoveDeltaX = reader.ReadSignedBits(moveBits);
styleChange.MoveDeltaY = reader.ReadSignedBits(moveBits);
}
if (stateFillStyle0)
{
styleChange.FillStyle0 = reader.ReadUnsignedBits(fillBitsCount);
}
if (stateFillStyle1)
{
styleChange.FillStyle1 = reader.ReadUnsignedBits(fillBitsCount);
}
if (stateLineStyle)
{
styleChange.LineStyle = reader.ReadUnsignedBits(lineBitsCount);
}
if (stateNewStyles)
{
ReadFillStyles(reader, styleChange, allowBigArray);
ReadLineStyles(reader, styleChange, allowBigArray);
fillBitsCount = reader.ReadUnsignedBits(4);
lineBitsCount = reader.ReadUnsignedBits(4);
}
return(Adapt(styleChange));
}
else
{
return(Adapt(new EndShapeRecord()));
}
}
var straight = reader.ReadBit();
return(straight ? Adapt(ReadStraigtEdgeShapeRecord(reader)) : Adapt(ReadCurvedEdgeShapeRecord(reader)));
}
public static ColorTransformRGB ReadColorTransformRGB(this ISwfStreamReader reader)
{
ColorTransformRGB transform;
var hasAddTerms = reader.ReadBit();
var hasMultTerms = reader.ReadBit();
var bits = reader.ReadUnsignedBits(4);
if (hasMultTerms)
{
transform.RedMultTerm = (short)reader.ReadSignedBits(bits);
transform.GreenMultTerm = (short)reader.ReadSignedBits(bits);
transform.BlueMultTerm = (short)reader.ReadSignedBits(bits);
transform.HasMultTerms = true;
}
else
{
transform.RedMultTerm = 0;
transform.GreenMultTerm = 0;
transform.BlueMultTerm = 0;
transform.HasMultTerms = false;
}
if (hasAddTerms)
{
transform.RedAddTerm = (short)reader.ReadSignedBits(bits);
transform.GreenAddTerm = (short)reader.ReadSignedBits(bits);
transform.BlueAddTerm = (short)reader.ReadSignedBits(bits);
transform.HasAddTerms = true;
}
else
{
transform.RedAddTerm = 0;
transform.GreenAddTerm = 0;
transform.BlueAddTerm = 0;
transform.HasAddTerms = false;
}
reader.AlignToByte();
return(transform);
}
public static ClipEventFlags ReadClipEventFlags(this ISwfStreamReader reader, byte swfVersion)
{
var res = new ClipEventFlags {
ClipEventKeyUp = reader.ReadBit(),
ClipEventKeyDown = reader.ReadBit(),
ClipEventMouseUp = reader.ReadBit(),
ClipEventMouseDown = reader.ReadBit(),
ClipEventMouseMove = reader.ReadBit(),
ClipEventUnload = reader.ReadBit(),
ClipEventEnterFrame = reader.ReadBit(),
ClipEventLoad = reader.ReadBit(),
ClipEventDragOver = reader.ReadBit(),
ClipEventRollOut = reader.ReadBit(),
ClipEventRollOver = reader.ReadBit(),
ClipEventReleaseOutside = reader.ReadBit(),
ClipEventRelease = reader.ReadBit(),
ClipEventPress = reader.ReadBit(),
ClipEventInitialize = reader.ReadBit(),
ClipEventData = reader.ReadBit(),
};
if (swfVersion >= 6)
{
res.Reserved = (byte)reader.ReadUnsignedBits(5);
res.ClipEventConstruct = reader.ReadBit();
res.ClipEventKeyPress = reader.ReadBit();
res.ClipEventDragOut = reader.ReadBit();
res.Reserved2 = reader.ReadByte();
}
return(res);
}
ActionBase IActionVisitor <ushort, ActionBase> .Visit(ActionGotoFrame2 action, ushort length)
{
action.Reserved = (byte)_reader.ReadUnsignedBits(6);
var hasBias = _reader.ReadBit();
action.Play = _reader.ReadBit();
if (hasBias)
{
action.SceneBias = _reader.ReadUInt16();
}
return(action);
}
