draw2dpdf/gc.go
func (gc *GraphicContext) Fill(paths ...*draw2d.Path) {
	style := "F"
	if gc.Current.FillRule != draw2d.FillRuleWinding {
		style += "*"
	}
	_, _, _, alphaF := gc.Current.FillColor.RGBA()
	gc.draw(style, alphaF, paths...)
	gc.Current.Path.Clear()
}
func (gc *GraphicContext) Fill(paths ...*draw2d.Path) {
	style := "F"
	if gc.Current.FillRule != draw2d.FillRuleWinding {
		style += "*"
	}
	_, _, _, alphaF := gc.Current.FillColor.RGBA()
	gc.draw(style, alphaF, paths...)
	gc.Current.Path.Clear()
}
// Fill fills the paths with the color specified by SetFillColor