.. _sphx_glr_gallery_userdemo_custom_boxstyle02.py: ================= Custom Boxstyle02 ================= .. image:: /gallery/userdemo/images/sphx_glr_custom_boxstyle02_001.png :align: center .. code-block:: python from matplotlib.path import Path from matplotlib.patches import BoxStyle import matplotlib.pyplot as plt # we may derive from matplotlib.patches.BoxStyle._Base class. # You need to override transmute method in this case. class MyStyle(BoxStyle._Base): """ A simple box. """ def __init__(self, pad=0.3): """ The arguments need to be floating numbers and need to have default values. *pad* amount of padding """ self.pad = pad super(MyStyle, self).__init__() def transmute(self, x0, y0, width, height, mutation_size): """ Given the location and size of the box, return the path of the box around it. - *x0*, *y0*, *width*, *height* : location and size of the box - *mutation_size* : a reference scale for the mutation. Often, the *mutation_size* is the font size of the text. You don't need to worry about the rotation as it is automatically taken care of. """ # padding pad = mutation_size * self.pad # width and height with padding added. width, height = width + 2.*pad, \ height + 2.*pad, # boundary of the padded box x0, y0 = x0-pad, y0-pad, x1, y1 = x0+width, y0 + height cp = [(x0, y0), (x1, y0), (x1, y1), (x0, y1), (x0-pad, (y0+y1)/2.), (x0, y0), (x0, y0)] com = [Path.MOVETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.LINETO, Path.CLOSEPOLY] path = Path(cp, com) return path # register the custom style BoxStyle._style_list["angled"] = MyStyle fig, ax = plt.subplots(figsize=(3, 3)) ax.text(0.5, 0.5, "Test", size=30, va="center", ha="center", rotation=30, bbox=dict(boxstyle="angled,pad=0.5", alpha=0.2)) del BoxStyle._style_list["angled"] plt.show() .. only :: html .. container:: sphx-glr-footer .. container:: sphx-glr-download :download:`Download Python source code: custom_boxstyle02.py ` .. container:: sphx-glr-download :download:`Download Jupyter notebook: custom_boxstyle02.ipynb ` .. only:: html .. rst-class:: sphx-glr-signature `Gallery generated by Sphinx-Gallery `_