FM / backends

/usr/lib64/python2.6/site-packages/matplotlib/backends/

/usr/lib64/python2.6/site-packages/matplotlib/backends

Name	Size	Mode	Actions
Matplotlib.nib/	-	0755	rm
backend_agg.py	13037	0644	edit dl rm
backend_agg.pyc	14578	0644	edit dl rm
backend_agg.pyo	13367	0644	edit dl rm
backend_cairo.py	16493	0644	edit dl rm
backend_cairo.pyc	18270	0644	edit dl rm
backend_cairo.pyo	18270	0644	edit dl rm
backend_cocoaagg.py	8988	0644	edit dl rm
backend_cocoaagg.pyc	11930	0644	edit dl rm
backend_cocoaagg.pyo	11930	0644	edit dl rm
backend_emf.py	22336	0644	edit dl rm
backend_emf.pyc	25220	0644	edit dl rm
backend_emf.pyo	25220	0644	edit dl rm
backend_fltkagg.py	20852	0644	edit dl rm
backend_fltkagg.pyc	26631	0644	edit dl rm
backend_fltkagg.pyo	26631	0644	edit dl rm
backend_gdk.py	15968	0644	edit dl rm
backend_gdk.pyc	17157	0644	edit dl rm
backend_gdk.pyo	17157	0644	edit dl rm
backend_gtk.py	40707	0644	edit dl rm
backend_gtk.pyc	45101	0644	edit dl rm
backend_gtk.pyo	45101	0644	edit dl rm
backend_gtkagg.py	4134	0644	edit dl rm
backend_gtkagg.pyc	5088	0644	edit dl rm
backend_gtkagg.pyo	5088	0644	edit dl rm
backend_gtkcairo.py	2079	0644	edit dl rm
backend_gtkcairo.pyc	3740	0644	edit dl rm
backend_gtkcairo.pyo	3740	0644	edit dl rm
backend_macosx.py	14644	0644	edit dl rm
backend_macosx.pyc	20536	0644	edit dl rm
backend_macosx.pyo	20439	0644	edit dl rm
backend_mixed.py	5166	0644	edit dl rm
backend_mixed.pyc	4844	0644	edit dl rm
backend_mixed.pyo	4773	0644	edit dl rm
backend_pdf.py	77716	0644	edit dl rm
backend_pdf.pyc	66626	0644	edit dl rm
backend_pdf.pyo	66508	0644	edit dl rm
backend_ps.py	51444	0644	edit dl rm
backend_ps.pyc	48055	0644	edit dl rm
backend_ps.pyo	48055	0644	edit dl rm
backend_qt.py	16846	0644	edit dl rm
backend_qt.pyc	21065	0644	edit dl rm
backend_qt.pyo	21065	0644	edit dl rm
backend_qt4.py	21006	0644	edit dl rm
backend_qt4.pyc	24697	0644	edit dl rm
backend_qt4.pyo	24697	0644	edit dl rm
backend_qt4agg.py	4799	0644	edit dl rm
backend_qt4agg.pyc	5883	0644	edit dl rm
backend_qt4agg.pyo	5883	0644	edit dl rm
backend_qtagg.py	4972	0644	edit dl rm
backend_qtagg.pyc	6014	0644	edit dl rm
backend_qtagg.pyo	6014	0644	edit dl rm
backend_svg.py	25951	0644	edit dl rm
backend_svg.pyc	24476	0644	edit dl rm
backend_svg.pyo	24368	0644	edit dl rm
backend_template.py	8806	0644	edit dl rm
backend_template.pyc	9385	0644	edit dl rm
backend_template.pyo	9385	0644	edit dl rm
backend_wx.py	78921	0644	edit dl rm
backend_wx.pyc	79007	0644	edit dl rm
backend_wx.pyo	78931	0644	edit dl rm
backend_wxagg.py	9099	0644	edit dl rm
backend_wxagg.pyc	9363	0644	edit dl rm
backend_wxagg.pyo	9363	0644	edit dl rm
_backend_agg.so	430792	0775	edit dl rm
_backend_gdk.so	8168	0775	edit dl rm
_gtkagg.so	143816	0775	edit dl rm
__init__.py	2225	0644	edit dl rm
__init__.pyc	2120	0644	edit dl rm
__init__.pyo	2120	0644	edit dl rm

Edit: /usr/lib64/python2.6/site-packages/matplotlib/backends/backend_gtkagg.py (4134B)

"""
Render to gtk from agg
"""
from __future__ import division
import os

import matplotlib
from matplotlib.figure import Figure
from matplotlib.backends.backend_agg import FigureCanvasAgg
from matplotlib.backends.backend_gtk import gtk, FigureManagerGTK, FigureCanvasGTK,\
     show, draw_if_interactive,\
     error_msg_gtk, NavigationToolbar, PIXELS_PER_INCH, backend_version, \
     NavigationToolbar2GTK
from matplotlib.backends._gtkagg import agg_to_gtk_drawable

DEBUG = False

class NavigationToolbar2GTKAgg(NavigationToolbar2GTK):
    def _get_canvas(self, fig):
        return FigureCanvasGTKAgg(fig)

class FigureManagerGTKAgg(FigureManagerGTK):
    def _get_toolbar(self, canvas):
        # must be inited after the window, drawingArea and figure
        # attrs are set
        if matplotlib.rcParams['toolbar']=='classic':
            toolbar = NavigationToolbar (canvas, self.window)
        elif matplotlib.rcParams['toolbar']=='toolbar2':
            toolbar = NavigationToolbar2GTKAgg (canvas, self.window)
        else:
            toolbar = None
        return toolbar

def new_figure_manager(num, *args, **kwargs):
    """
    Create a new figure manager instance
    """
    if DEBUG: print 'backend_gtkagg.new_figure_manager'
    FigureClass = kwargs.pop('FigureClass', Figure)
    thisFig = FigureClass(*args, **kwargs)
    canvas = FigureCanvasGTKAgg(thisFig)
    return FigureManagerGTKAgg(canvas, num)
    if DEBUG: print 'backend_gtkagg.new_figure_manager done'

class FigureCanvasGTKAgg(FigureCanvasGTK, FigureCanvasAgg):
    filetypes = FigureCanvasGTK.filetypes.copy()
    filetypes.update(FigureCanvasAgg.filetypes)

def configure_event(self, widget, event=None):

if DEBUG: print 'FigureCanvasGTKAgg.configure_event'
        if widget.window is None:
            return
        try:
            del self.renderer
        except AttributeError:
            pass
        w,h = widget.window.get_size()
        if w==1 or h==1: return # empty fig

# compute desired figure size in inches
        dpival = self.figure.dpi
        winch = w/dpival
        hinch = h/dpival
        self.figure.set_size_inches(winch, hinch)
        self._need_redraw = True
        self.resize_event()
        if DEBUG: print 'FigureCanvasGTKAgg.configure_event end'
        return True

def _render_figure(self, pixmap, width, height):
        if DEBUG: print 'FigureCanvasGTKAgg.render_figure'
        FigureCanvasAgg.draw(self)
        if DEBUG: print 'FigureCanvasGTKAgg.render_figure pixmap', pixmap
        #agg_to_gtk_drawable(pixmap, self.renderer._renderer, None)

buf = self.buffer_rgba(0,0)
        ren = self.get_renderer()
        w = int(ren.width)
        h = int(ren.height)

pixbuf = gtk.gdk.pixbuf_new_from_data(
            buf, gtk.gdk.COLORSPACE_RGB,  True, 8, w, h, w*4)
        pixmap.draw_pixbuf(pixmap.new_gc(), pixbuf, 0, 0, 0, 0, w, h,
                           gtk.gdk.RGB_DITHER_NONE, 0, 0)
        if DEBUG: print 'FigureCanvasGTKAgg.render_figure done'

def blit(self, bbox=None):
        if DEBUG: print 'FigureCanvasGTKAgg.blit', self._pixmap
        agg_to_gtk_drawable(self._pixmap, self.renderer._renderer, bbox)

x, y, w, h = self.allocation

self.window.draw_drawable (self.style.fg_gc[self.state], self._pixmap,
                                   0, 0, 0, 0, w, h)
        if DEBUG: print 'FigureCanvasGTKAgg.done'

def print_png(self, filename, *args, **kwargs):
        # Do this so we can save the resolution of figure in the PNG file
        agg = self.switch_backends(FigureCanvasAgg)
        return agg.print_png(filename, *args, **kwargs)

"""\
Traceback (most recent call last):
  File "/home/titan/johnh/local/lib/python2.3/site-packages/matplotlib/backends/backend_gtk.py", line 304, in expose_event
    self._render_figure(self._pixmap, w, h)
  File "/home/titan/johnh/local/lib/python2.3/site-packages/matplotlib/backends/backend_gtkagg.py", line 77, in _render_figure
    pixbuf = gtk.gdk.pixbuf_new_from_data(
ValueError: data length (3156672) is less then required by the other parameters (3160608)
"""

cmd: