A quadratic bezier curve.
new (xBound:Int, yBound:Int)
cx:Int
cy:Int
x1:Int
x2:Int
read onlyxBound:Int
y1:Int
y2:Int
read onlyyBound:Int
clone ():Shape
getRawShapeData ():Array<Float>
getSvgShapeData ():String
getType ():ShapeType
mutate ():Void
rasterize ():Array<Scanline>