Function test_skew_rectangle

lib/matplotlib/tests/test_skew.py:150–170

()

@image_comparison(['skew_rects.png'], remove_text=True, style='_classic_test',
                  tol=0 if platform.machine() == 'x86_64' else 0.009)
def test_skew_rectangle():

    fix, axes = plt.subplots(5, 5, sharex=True, sharey=True, figsize=(8, 8))
    axes = axes.flat

    rotations = list(itertools.product([-3, -1, 0, 1, 3], repeat=2))

    axes[0].set_xlim([-3, 3])
    axes[0].set_ylim([-3, 3])
    axes[0].set_aspect('equal', share=True)

    for ax, (xrots, yrots) in zip(axes, rotations):
        xdeg, ydeg = 45 * xrots, 45 * yrots
        t = transforms.Affine2D().skew_deg(xdeg, ydeg)

        ax.set_title(f'Skew of {xdeg} in X and {ydeg} in Y')
        ax.add_patch(mpatch.Rectangle([-1, -1], 2, 2,
                                      transform=t + ax.transData,
                                      alpha=0.5, facecolor='coral'))

    plt.subplots_adjust(wspace=0, left=0.01, right=0.99, bottom=0.01, top=0.99)