from __future__ import (absolute_import, division, print_function,

unicode_literals)

import nose

from matplotlib.testing.decorators import image_comparison

import matplotlib.pyplot as plt

import matplotlib.patches as mpatches

import matplotlib.lines as mlines

from matplotlib.offsetbox import AnchoredOffsetbox, DrawingArea

@image_comparison(baseline_images=['offsetbox_clipping'], remove_text=True)

def test_offsetbox_clipping():

# - create a plot

# - put an AnchoredOffsetbox with a child DrawingArea

# at the center of the axes

# - give the DrawingArea a gray background

# - put a black line across the bounds of the DrawingArea

# - see that the black line is clipped to the edges of

# the DrawingArea.

fig, ax = plt.subplots()

size = 100

da = DrawingArea(size, size, clip=True)

bg = mpatches.Rectangle((0, 0), size, size,

facecolor='#CCCCCC',

edgecolor='None',

linewidth=0)

line = mlines.Line2D([-size*.5, size*1.5], [size/2, size/2],

color='black',

linewidth=10)

anchored_box = AnchoredOffsetbox(

loc=10,

child=da,

pad=0.,

frameon=False,

bbox_to_anchor=(.5, .5),

bbox_transform=ax.transAxes,

borderpad=0.)

da.add_artist(bg)

da.add_artist(line)

ax.add_artist(anchored_box)

ax.set_xlim((0, 1))

ax.set_ylim((0, 1))

if __name__ == '__main__':

nose.runmodule(argv=['-s', '--with-doctest'], exit=False)