[cairo] pycairo (py3): Surface.create_for_data: Not Implemented yet

Michael Droettboom mdroe at stsci.edu
Mon Nov 28 09:53:27 PST 2011


*Ping*.

Is this perhaps the wrong list of pycairo questions?

Mike

On 11/18/2011 01:27 PM, Michael Droettboom wrote:
> In the process of porting matplotlib to Python 3, and then its pygtk 
> backend to pygobject-introspection, I came across the following issue 
> with pycairo on Python 3.
>
> When using the "Surface.create_for_data" method, I get the following:
>
>     NotImplementedError: Surface.create_for_data: Not Implemented yet
>
> This seems to be the way to get an ARGB bitmap image in memory to a 
> Gtk.DrawingArea for display, so it's rather important for our needs.  
> Is there an alternative method that maybe I'm missing?
>
> Hoping to be a good open source citizen, I thought I'd see what I 
> could do to implement this.  I checked out pycairo from git, and saw 
> that there is actually an implementation there -- so I commented out 
> the lines where the NotImplementedError is raised, and it *seems* to 
> work just fine.  Is there some implementation detail or corner case 
> here that isn't working correctly that lead to the disabling of this 
> function?  I'm happy to try to address any issues and submit a patch, 
> but it already seems to be working, as far as I can tell.
>
> Thanks for any pointers you may have,
> Mike
>
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