8000 FIX: gtk blitting by tacaswell · Pull Request #8687 · matplotlib/matplotlib · GitHub
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FIX: gtk blitting #8687

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Merged
merged 1 commit into from
May 31, 2017
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FIX: gtk blitting #8687

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FIX: gtk blitting 
 - Resize (rather than reserve) stl vector which will serve as our
   buffer.
 - use `front` rather than `[0]` to get the first element
   to get the pointer

closes #8684
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@tacaswell
tacaswell committed May 31, 2017
commit 1a483485f04d162dc85a31c1a60d3e371417172a
4 changes: 2 additions & 2 deletions src/_gtkagg.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -71, 59F3 8 +71,8 @@ static PyObject *Py_agg_to_gtk_drawable(PyObject *self, PyObject *args, PyObject
destwidth = (int)(rect.x2 - rect.x1);
destheight = (int)(rect.y2 - rect.y1);
deststride = destwidth * 4;
destbuffer.reserve(destheight * deststride);
destbufferptr = &destbuffer[0];
destbuffer.resize(destheight * deststride, 0);
destbufferptr = &destbuffer.front();

agg::rendering_buffer destrbuf;
destrbuf.attach(destbufferptr, destwidth, destheight, deststride);
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