geom_label.py 文件源码

def draw_legend(data, da, lyr):
        """
        Draw letter 'a' in the box

        Parameters
        ----------
        data : dataframe
        da : DrawingArea
        lyr : layer

        Returns
        -------
        out : DrawingArea
        """
        if data['fill']:
            rect = Rectangle((0, 0),
                             width=da.width,
                             height=da.height,
                             linewidth=0,
                             alpha=data['alpha'],
                             facecolor=data['fill'],
                             capstyle='projecting')
            da.add_artist(rect)
        return geom_text.draw_legend(data, da, lyr)