old_contents: # -*- coding: utf-8 -*-
  # vispy: testskip
  # Copyright (c) 2015, Vispy Development Team.
  # Distributed under the (new) BSD License. See LICENSE.txt for more info.
  """
  This is a simple osmesa example that produce an image of a cube
  
  If you have both osmesa and normal (X) OpenGL installed, execute with
  something like the following to pickup the OSMesa libraries :
      VISPY_GL_LIB=/opt/osmesa_llvmpipe/lib/libGLESv2.so \
          LD_LIBRARY_PATH=/opt/osmesa_llvmpipe/lib/ \
          OSMESA_LIBRARY=/opt/osmesa_llvmpipe/lib/libOSMesa.so \
          python examples/offscreen/simple_osmesa.py
  """
  import vispy
  vispy.use(app='osmesa')  # noqa
  
  import numpy as np
  import vispy.plot as vp
  import vispy.io as io
  
  # Check the application correctly picked up osmesa
  assert vispy.app.use_app().backend_name == 'osmesa', 'Not using OSMesa'
  
  data = np.load(io.load_data_file('electrophys/iv_curve.npz'))['arr_0']
  time = np.arange(0, data.shape[1], 1e-4)
  
  fig = vp.Fig(size=(800, 800), show=False)
  
  x = np.linspace(0, 10, 20)
  y = np.cos(x)
  line = fig[0, 0].plot((x, y), symbol='o', width=3, title='I/V Curve',
                        xlabel='Current (pA)', ylabel='Membrane Potential (mV)')
  grid = vp.visuals.GridLines(color=(0, 0, 0, 0.5))
  grid.set_gl_state('translucent')
  fig[0, 0].view.add(grid)
  
  fig.show()
  
  img = fig.render()
  io.write_png("osmesa.png", img)
  
new_contents: # -*- coding: utf-8 -*-
  # vispy: testskip
  # Copyright (c) 2015, Vispy Development Team.
  # Distributed under the (new) BSD License. See LICENSE.txt for more info.
  """
  This is a simple osmesa example that produce an image of a cube
  
  If you have both osmesa and normal (X) OpenGL installed, execute with
  something like the following to pickup the OSMesa libraries::
  
      VISPY_GL_LIB=/opt/osmesa_llvmpipe/lib/libGLESv2.so \
      LD_LIBRARY_PATH=/opt/osmesa_llvmpipe/lib/ \
      OSMESA_LIBRARY=/opt/osmesa_llvmpipe/lib/libOSMesa.so \
      python examples/offscreen/simple_osmesa.py
  """
  import vispy
  vispy.use(app='osmesa')  # noqa
  
  import numpy as np
  import vispy.plot as vp
  import vispy.io as io
  
  # Check the application correctly picked up osmesa
  assert vispy.app.use_app().backend_name == 'osmesa', 'Not using OSMesa'
  
  data = np.load(io.load_data_file('electrophys/iv_curve.npz'))['arr_0']
  time = np.arange(0, data.shape[1], 1e-4)
  
  fig = vp.Fig(size=(800, 800), show=False)
  
  x = np.linspace(0, 10, 20)
  y = np.cos(x)
  line = fig[0, 0].plot((x, y), symbol='o', width=3, title='I/V Curve',
                        xlabel='Current (pA)', ylabel='Membrane Potential (mV)')
  grid = vp.visuals.GridLines(color=(0, 0, 0, 0.5))
  grid.set_gl_state('translucent')
  fig[0, 0].view.add(grid)
  
  fig.show()
  
  img = fig.render()
  io.write_png("osmesa.png", img)
  
subject: Fix restructured text rendering in simple_osmesa.py