"""
Python module conating fixes / overes to mpl library

(under construction)
"""

from __future__ import division
from __future__ import print_function
from __future__ import with_statement

import numpy as np
import matplotlib.pyplot as plt
from matplotlib.path import Path

from matplotlib.patches import PathPatch, Rectangle, Patch
from matplotlib.text import Text, TextPath
from matplotlib.font_manager import FontProperties
from matplotlib.transforms import Affine2D
from matplotlib.cbook import is_numlike

from matplotlib.transforms import Bbox, BboxBase

DEBUG = False


class BorderedBbox(BboxBase):
    """
    A :class:`Bbox` that is automatically transformed by a given
    transform.  When either the child bounding box or transform
    changes, the bounds of this bbox will update accordingly.
    """
    def __init__(self, bbox, border, **kwargs):
        """
        *bbox*: a child :class:`Bbox`
        *border*: a child :class:`Bbox`
        """
        assert bbox.is_bbox
        assert border.is_bbox

        BboxBase.__init__(self, **kwargs)
        self._bbox = bbox
        self._border = border
        self.set_children(bbox, border)
        self._points = None

    def __repr__(self):
        return "BorderedBbox(%r, %r)" % (self._bbox, self._border)

    def get_points(self):
        if self._invalid:
            points = self.self._bbox.get_points() - self.self._border.get_points()
            points = np.ma.filled(points, 0.0)
            self._points = points
            self._invalid = 0
        return self._points
    get_points.__doc__ = Bbox.get_points.__doc__

    if DEBUG:
        _get_points = get_points
        def get_points(self):
            points = self._get_points()
            self._check(points)
            return points