venn.py 文件源码

def draw_triangle(fig, ax, x1, y1, x2, y2, x3, y3, fillcolor):
    xy = [
        (x1, y1),
        (x2, y2),
        (x3, y3),
    ]
    polygon = patches.Polygon(
        xy=xy,
        closed=True,
        color=fillcolor)
    ax.add_patch(polygon)