An ellipse.
new (xBound:Int, yBound:Int)
rx:Int
ry:Int
x:Int
read onlyxBound:Int
y:Int
read onlyyBound:Int
clone ():Shape
getRawShapeData ():Array<Float>
getSvgShapeData ():String
getType ():ShapeType
mutate ():Void
rasterize ():Array<Scanline>