def pixel(self, func:PixelFunc, *args, **kwargs)->'ImagePoints':
        "Equivalent to `self = func_flow(self)`."
        self = func(self, *args, **kwargs)
        self.transformed=True
        return self
def pixel ( self , func : PixelFunc , * args , ** kwargs ) -> 'ImagePoints' : self = func ( self , * args , ** kwargs ) self . transformed = True return self
Equivalent to `self = func_flow(self)`.