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"""
GTK+ Matplotlib interface using cairo (not GDK) drawing operations.
Author: Steve Chaplin
"""
from __future__ import (absolute_import, division, print_function,
unicode_literals)
import six
import gtk
if gtk.pygtk_version < (2, 7, 0):
import cairo.gtk
from matplotlib import cbook
from matplotlib.backends import backend_cairo
from matplotlib.backends.backend_gtk import *
from matplotlib.backends.backend_gtk import _BackendGTK
backend_version = ('PyGTK(%d.%d.%d) ' % gtk.pygtk_version
+ 'Pycairo(%s)' % backend_cairo.backend_version)
class RendererGTKCairo (backend_cairo.RendererCairo):
if gtk.pygtk_version >= (2,7,0):
def set_pixmap (self, pixmap):
self.gc.ctx = pixmap.cairo_create()
else:
def set_pixmap (self, pixmap):
self.gc.ctx = cairo.gtk.gdk_cairo_create (pixmap)
class FigureCanvasGTKCairo(backend_cairo.FigureCanvasCairo, FigureCanvasGTK):
filetypes = FigureCanvasGTK.filetypes.copy()
filetypes.update(backend_cairo.FigureCanvasCairo.filetypes)
def __init__(self, *args, **kwargs):
warn_deprecated('2.2',
message=('The GTKCairo backend is deprecated. It is '
'untested and will be removed in Matplotlib '
'3.0. Use the GTK3Cairo backend instead. See '
'Matplotlib usage FAQ for more info on '
'backends.'),
alternative='GTK3Cairo')
super(FigureCanvasGTKCairo, self).__init__(*args, **kwargs)
def _renderer_init(self):
"""Override to use cairo (rather than GDK) renderer"""
self._renderer = RendererGTKCairo(self.figure.dpi)
# This class has been unused for a while at least.
@cbook.deprecated("2.1")
class FigureManagerGTKCairo(FigureManagerGTK):
def _get_toolbar(self, canvas):
# must be inited after the window, drawingArea and figure
# attrs are set
if matplotlib.rcParams['toolbar']=='toolbar2':
toolbar = NavigationToolbar2GTKCairo (canvas, self.window)
else:
toolbar = None
return toolbar
# This class has been unused for a while at least.
@cbook.deprecated("2.1")
class NavigationToolbar2Cairo(NavigationToolbar2GTK):
def _get_canvas(self, fig):
return FigureCanvasGTKCairo(fig)
@_BackendGTK.export
class _BackendGTKCairo(_BackendGTK):
FigureCanvas = FigureCanvasGTKCairo
FigureManager = FigureManagerGTK
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