Method fill

lib/matplotlib/backends/backend_pdf.py:2422–2435

Predicate: does the path need to be filled? An optional argument can be used to specify an alternative _fillcolor, as needed by RendererPdf.draw_markers.

(self, *args)

                (len(self._rgb) <= 3 or self._rgb[3] != 0.0))

    def fill(self, *args):
        """
        Predicate: does the path need to be filled?

        An optional argument can be used to specify an alternative
        _fillcolor, as needed by RendererPdf.draw_markers.
        """
        if len(args):
            _fillcolor = args[0]
        else:
            _fillcolor = self._fillcolor
        return (self._hatch or
                (_fillcolor is not None and
                 (len(_fillcolor) <= 3 or _fillcolor[3] != 0.0)))

    def paint(self):
        """