10000 GTK3Agg backend: Only convert the cairo context to a cairocffi context o... by timovwb · Pull Request #2813 · matplotlib/matplotlib · GitHub
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GTK3Agg backend: Only convert the cairo context to a cairocffi context o... #2813

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Merged
merged 1 commit into from
Feb 14, 2014
Merged

GTK3Agg backend: Only convert the cairo context to a cairocffi context o... #2813

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10 changes: 6 additions & 4 deletions lib/matplotlib/backends/backend_gtk3agg.py
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Original file line number Diff line number Diff line change
Expand Up @@ -46,6 +46,12 @@ def on_draw_event(self, widget, ctx):
else:
bbox_queue = self._bbox_queue

if HAS_CAIRO_CFFI:
ctx = cairo.Context._from_pointer(
cairo.ffi.cast('cairo_t **',
id(ctx) + object.__basicsize__)[0],
incref=True)

for bbox in bbox_queue:
area = self.copy_from_bbox(bbox)
buf = np.fromstring(area.to_string_argb(), dtype='uint8')
Expand All @@ -56,10 +62,6 @@ def on_draw_event(self, widget, ctx):
height = int(bbox.y1) - int(bbox.y0)

if HAS_CAIRO_CFFI:
ctx = cairo.Context._from_pointer(
cairo.ffi.cast('cairo_t **',
id(ctx) + object.__basicsize__)[0],
incref=True)
image = cairo.ImageSurface.create_for_data(
buf.data, cairo.FORMAT_ARGB32, width, height)
else:
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0