Function test_usetex

lib/matplotlib/tests/test_usetex.py:23–43

()

    extensions=['pdf', 'png'],
    style="mpl20")
def test_usetex():
    mpl.rcParams['text.usetex'] = True
    fig, ax = plt.subplots()
    kwargs = {"verticalalignment": "baseline", "size": 24,
              "bbox": dict(pad=0, edgecolor="k", facecolor="none")}
    ax.text(0.2, 0.7,
            # the \LaTeX macro exercises character sizing and placement,
            # \left[ ... \right\} draw some variable-height characters,
            # \sqrt and \frac draw horizontal rules, \mathrm changes the font
            r'\LaTeX\ $\left[\int\limits_e^{2e}'
            r'\sqrt\frac{\log^3 x}{x}\,\mathrm{d}x \right\}$',
            **kwargs)
    ax.text(0.2, 0.3, "lg", **kwargs)
    ax.text(0.4, 0.3, r"$\frac{1}{2}\pi$", **kwargs)
    ax.text(0.6, 0.3, "$p^{3^A}$", **kwargs)
    ax.text(0.8, 0.3, "$p_{3_2}$", **kwargs)
    for x in {t.get_position()[0] for t in ax.texts}:
        ax.axvline(x)
    for y in {t.get_position()[1] for t in ax.texts}:
        ax.axhline(y)
    ax.set_axis_off()


@check_figures_equal(extensions=['png', 'pdf', 'svg'])