demo.py 文件源码

def demo_PathView():
    # SETUP
    p = ui2.get_regular_polygon_path(6, center=(50, 50), radius=50)
    pv = ui2.PathView(p)
    pv.x = 150
    pv.y = 150

    # ANIMATION FUNCTIONS
    def scaleWidth():
        pv.width = 200

    def scaleHeight():
        pv.height = 200

    def scaleBoth():
        pv.width = 300
        pv.height = 300

    def scaleBack():
        pv.x, pv.y = 0, 0
        pv.width, pv.height = 50, 50

    # BASIC USAGE
    v = ui.View(background_color="white")
    v.width = v.height = 500
    v.add_subview(pv)
    v.present("sheet", hide_title_bar=True)
    # PERFORM THE ANIMATIONS
    ui.animate(scaleWidth, 1)
    ui.delay(lambda: ui.animate(scaleHeight, 1), 1)
    ui.delay(lambda: ui.animate(scaleBoth, 1), 2)
    ui.delay(lambda: ui.animate(scaleBack, 1), 3)