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tacaswelltacaswell
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split backend_gtkcairo.py into Gcf dependent and independent
parts.
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2 files changed

+109
-70
lines changed

2 files changed

+109
-70
lines changed

‎lib/matplotlib/backends/_backend_gtkcairo.py

+88
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,88 @@
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"""
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GTK+ Matplotlib interface using cairo (not GDK) drawing operations.
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Author: Steve Chaplin
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"""
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from __future__ import (absolute_import, division, print_function,
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unicode_literals)
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import six
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import gtk
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if gtk.pygtk_version < (2, 7, 0):
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import cairo.gtk
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from matplotlib.backends import backend_cairo
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from ._backend_gtk import (FigureCanvasGTK,
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FigureManagerGTK,
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NavigationToolbar2GTK,
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fn_name
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)
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import matplotlib
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from matplotlib.figure import Figure
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backend_version = 'PyGTK(%d.%d.%d) ' % gtk.pygtk_version + \
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'Pycairo(%s)' % backend_cairo.backend_version
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_debug = False
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#_debug = True
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def new_figure_manager(num, *args, **kwargs):
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"""
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Create a new figure manager instance
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"""
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if _debug:
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print('backend_gtkcairo.%s()' % fn_name())
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FigureClass = kwargs.pop('FigureClass', Figure)
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thisFig = FigureClass(*args, **kwargs)
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return new_figure_manager_given_figure(num, thisFig)
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def new_figure_manager_given_figure(num, figure):
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"""
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Create a new figure manager instance for the given figure.
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"""
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canvas = FigureCanvasGTKCairo(figure)
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return FigureManagerGTK(canvas, num)
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class RendererGTKCairo (backend_cairo.RendererCairo):
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if gtk.pygtk_version >= (2, 7, 0):
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def set_pixmap(self, pixmap):
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self.gc.ctx = pixmap.cairo_create()
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else:
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def set_pixmap(self, pixmap):
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self.gc.ctx = cairo.gtk.gdk_cairo_create(pixmap)
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class FigureCanvasGTKCairo(backend_cairo.FigureCanvasCairo, FigureCanvasGTK):
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filetypes = FigureCanvasGTK.filetypes.copy()
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filetypes.update(backend_cairo.FigureCanvasCairo.filetypes)
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def _renderer_init(self):
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"""Override to use cairo (rather than GDK) renderer"""
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if _debug:
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print('%s.%s()' % (self.__class__.__name__, fn_name()))
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self._renderer = RendererGTKCairo(self.figure.dpi)
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class NavigationToolbar2GTKCairo(NavigationToolbar2GTK):
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def _get_canvas(self, fig):
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return FigureCanvasGTKCairo(fig)
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class FigureManagerGTKCairo(FigureManagerGTK):
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def _get_toolbar(self, canvas):
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# must be inited after the window, drawingArea and figure
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# attrs are set
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if matplotlib.rcParams['toolbar'] == 'toolbar2':
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toolbar = NavigationToolbar2GTKCairo(canvas, self.window)
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else:
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toolbar = None
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return toolbar
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FigureCanvas = FigureCanvasGTKCairo
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FigureManager = FigureManagerGTKCairo

‎lib/matplotlib/backends/backend_gtkcairo.py

+21-70
Original file line numberDiff line numberDiff line change
@@ -6,76 +6,27 @@
66
unicode_literals)
77

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import six
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import gtk
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if gtk.pygtk_version < (2, 7, 0):
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import cairo.gtk
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from matplotlib.backends import backend_cairo
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from matplotlib.backends.backend_gtk import *
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backend_version = 'PyGTK(%d.%d.%d) ' % gtk.pygtk_version + \
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'Pycairo(%s)' % backend_cairo.backend_version
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_debug = False
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#_debug = True
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def new_figure_manager(num, *args, **kwargs):
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"""
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Create a new figure manager instance
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"""
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if _debug:
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print('backend_gtkcairo.%s()' % fn_name())
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FigureClass = kwargs.pop('FigureClass', Figure)
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thisFig = FigureClass(*args, **kwargs)
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return new_figure_manager_given_figure(num, thisFig)
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def new_figure_manager_given_figure(num, figure):
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"""
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Create a new figure manager instance for the given figure.
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"""
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canvas = FigureCanvasGTKCairo(figure)
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return FigureManagerGTK(canvas, num)
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class RendererGTKCairo (backend_cairo.RendererCairo):
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if gtk.pygtk_version >= (2, 7, 0):
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def set_pixmap(self, pixmap):
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self.gc.ctx = pixmap.cairo_create()
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else:
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def set_pixmap(self, pixmap):
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self.gc.ctx = cairo.gtk.gdk_cairo_create(pixmap)
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class FigureCanvasGTKCairo(backend_cairo.FigureCanvasCairo, FigureCanvasGTK):
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filetypes = FigureCanvasGTK.filetypes.copy()
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filetypes.update(backend_cairo.FigureCanvasCairo.filetypes)
56-
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def _renderer_init(self):
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"""Override to use cairo (rather than GDK) renderer"""
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if _debug:
60-
print('%s.%s()' % (self.__class__.__name__, _fn_name()))
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self._renderer = RendererGTKCairo(self.figure.dpi)
62-
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class FigureManagerGTKCairo(FigureManagerGTK):
65-
def _get_toolbar(self, canvas):
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# must be inited after the window, drawingArea and figure
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# attrs are set
68-
if matplotlib.rcParams['toolbar'] == 'toolbar2':
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toolbar = NavigationToolbar2GTKCairo(canvas, self.window)
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else:
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toolbar = None
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return toolbar
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class NavigationToolbar2Cairo(NavigationToolbar2GTK):
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def _get_canvas(self, fig):
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return FigureCanvasGTKCairo(fig)
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from matplotlib._pylab_helpers import Gcf
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# import the gcg contaminated parts
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from .backend_gtk import (show,
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draw_if_interactive,
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_gtk_cleanup,
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key_press_handler)
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from ._backend_gtkcairo import (gtk,
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new_figure_manager,
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new_figure_manager_given_figure,
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RendererGTKCairo,
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FigureCanvasGTKCairo,
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FigureManagerGTKCairo,
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NavigationToolbar2GTKCairo,
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backend_version)
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FigureCanvas = FigureCanvasGTKCairo
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FigureManager = FigureManagerGTKCairo
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# set the call backs
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FigureManager._key_press_handler = staticmethod(key_press_handler)
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FigureManager._destroy_callback = staticmethod(Gcf.destroy)
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FigureManager._gtk_cleanup = staticmethod(_gtk_cleanup)

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