public IShapeRecord Visit(CurvedEdgeShapeRecord record, XElement xShape)
{
foreach (var attribute in xShape.Attributes())
{
switch (attribute.Name.LocalName)
{
case "x1":
record.ControlDeltaX = int.Parse(attribute.Value);
break;
case "y1":
record.ControlDeltaY = int.Parse(attribute.Value);
break;
case "x2":
record.AnchorDeltaX = int.Parse(attribute.Value);
break;
case "y2":
record.AnchorDeltaY = int.Parse(attribute.Value);
break;
default:
OnUnknownAttributeFound(attribute);
break;
}
}
return(record);
}
public XElement Visit(CurvedEdgeShapeRecord record, object arg)
{
return(new XElement("CurveTo",
new XAttribute("x1", record.ControlDeltaX),
new XAttribute("y1", record.ControlDeltaY),
new XAttribute("x2", record.AnchorDeltaX),
new XAttribute("y2", record.AnchorDeltaY)
));
}
private CurvedEdgeShapeRecord ReadCurvedEdgeShapeRecord(ISwfStreamReader reader)
{
var record = new CurvedEdgeShapeRecord();
var numBits = reader.ReadUnsignedBits(4) + 2;
record.ControlDeltaX = reader.ReadSignedBits(numBits);
record.ControlDeltaY = reader.ReadSignedBits(numBits);
record.AnchorDeltaX = reader.ReadSignedBits(numBits);
record.AnchorDeltaY = reader.ReadSignedBits(numBits);
return(record);
}
protected override IShapeRecordEx Adapt(CurvedEdgeShapeRecord record)
{
return(record);
}
protected abstract T Adapt(CurvedEdgeShapeRecord record);
ShapeRecordWriteContext IShapeRecordVisitor <ShapeRecordWriteContext, ShapeRecordWriteContext> .Visit(CurvedEdgeShapeRecord record, ShapeRecordWriteContext ctx)
{
var writer = ctx.Writer;
writer.WriteBit(true);
writer.WriteBit(false);
var actualBits = new SignedBitsCount(record.ControlDeltaX, record.ControlDeltaY, record.AnchorDeltaX, record.AnchorDeltaY).GetBits();
if (actualBits < 2)
{
actualBits = 2;
}
writer.WriteUnsignedBits(actualBits - 2u, 4);
writer.WriteSignedBits(record.ControlDeltaX, actualBits);
writer.WriteSignedBits(record.ControlDeltaY, actualBits);
writer.WriteSignedBits(record.AnchorDeltaX, actualBits);
writer.WriteSignedBits(record.AnchorDeltaY, actualBits);
return(ctx);
}
