r.set_bounds(
            tt.get_window_extent(renderer)
            .transformed(ax.transAxes.inverted())
            .bounds)
        ax.add_patch(r)

    horal = 'left'
    for nn, st in enumerate(sts):
        tt = ax.text(0.2 * nn + 0.1, 0.5, st, horizontalalignment=horal,
                     verticalalignment='bottom')
        draw_box(ax, tt)
    ax.text(1.2, 0.5, 'Bottom align', color='C2')

    ax.axhline(1.3, color='C2', linewidth=0.3)
    for nn, st in enumerate(sts):
        tt = ax.text(0.2 * nn + 0.1, 1.3, st, horizontalalignment=horal,
                     verticalalignment='top')
        draw_box(ax, tt)
    ax.text(1.2, 1.3, 'Top align', color='C2')

    ax.axhline(1.8, color='C2', linewidth=0.3)
    for nn, st in enumerate(sts):
        tt = ax.text(0.2 * nn + 0.1, 1.8, st, horizontalalignment=horal,
                     verticalalignment='baseline')
        draw_box(ax, tt)
    ax.text(1.2, 1.8, 'Baseline align', color='C2')

    ax.axhline(0.1, color='C2', linewidth=0.3)
    for nn, st in enumerate(sts):
        tt = ax.text(0.2 * nn + 0.1, 0.1, st, horizontalalignment=horal,
                     verticalalignment='bottom', rotation=20)
        draw_box(ax, tt)
    ax.text(1.2, 0.1, 'Bot align, rot20', color='C2')


@image_comparison(['antialiased.png'], style='mpl20')
def test_antialiasing():
    mpl.rcParams['text.antialiased'] = False  # Passed arguments should override.

    fig = plt.figure(figsize=(5.25, 0.75))
    fig.text(0.3, 0.75, "antialiased", horizontalalignment='center',
             verticalalignment='center', antialiased=True)
    fig.text(0.3, 0.25, r"$\sqrt{x}$", horizontalalignment='center',
             verticalalignment='center', antialiased=True)

    mpl.rcParams['text.antialiased'] = True  # Passed arguments should override.
    fig.text(0.7, 0.75, "not antialiased", horizontalalignment='center',
             verticalalignment='center', antialiased=False)
    fig.text(0.7, 0.25, r"$\sqrt{x}$", horizontalalignment='center',
             verticalalignment='center', antialiased=False)

    mpl.rcParams['text.antialiased'] = False  # Should not affect existing text.


def test_afm_kerning():
    fn = mpl.font_manager.findfont("Helvetica", fontext="afm")
    with open(fn, 'rb') as fh:
        afm = mpl._afm.AFM(fh)
    assert afm.string_width_height('VAVAVAVAVAVA') == (7174.0, 718)


@image_comparison(['text_contains.png'])
def test_contains():
    fig = plt.figure()
    ax = plt.axes()

    mevent = MouseEvent('button_press_event', fig.canvas, 0.5, 0.5, 1, None)

    xs = np.linspace(0.25, 0.75, 30)
    ys = np.linspace(0.25, 0.75, 30)
    xs, ys = np.meshgrid(xs, ys)

    txt = plt.text(
        0.5, 0.4, 'hello world', ha='center', fontsize=30, rotation=30)
    # uncomment to draw the text's bounding box
    # txt.set_bbox(dict(edgecolor='black', facecolor='none'))

    # draw the text. This is important, as the contains method can only work
    # when a renderer exists.
    fig.canvas.draw()

    for x, y in zip(xs.flat, ys.flat):
        mevent.x, mevent.y = plt.gca().transAxes.transform([x, y])
        contains, _ = txt.contains(mevent)
        color = 'yellow' if contains else 'red'

        # capture the viewLim, plot a point, and reset the viewLim
        vl = ax.viewLim.frozen()
        ax.plot(x, y, 'o', color=color)
        ax.viewLim.set(vl)


def test_annotation_contains():
    # Check that Annotation.contains looks at the bboxes of the text and the
    # arrow separately, not at the joint bbox.
    fig, ax = plt.subplots()
    ann = ax.annotate(
        "hello", xy=(.4, .4), xytext=(.6, .6), arrowprops={"arrowstyle": "->"})
    fig.canvas.draw()  # Needed for the same