On Thu, 05 Jul 2007 13:22:11 -1000, Eric Firing wrote: > I have made a few changes in svn to facilitate testing cairo with > backend_driver (and to fix a bug that turned up), and I will do a bit > more on this later today or tomorrow.
Cool. I've started downloading all the matplotlib source history with
git-svn, so once that's done I'll take a look. Hopefully it's obvious
how to run through the cairo backend with the test suite---otherwise
I'll ask.
> The result of a quick pass
> through the backend_driver test with png output is quite encouraging,
> though. There are some bugs in string placement, image handling, and
> clipping, but most things work, including mathtext. Default fonts seem
> to be different.
If there's anything I can do to help I'll do what I can---let me know.
Oh, and I meant to say that it's a bit annoying that
savefig("somefile") doesn't work with the cairo backend. My
understanding is that this is supposed to automatically select the
correct file extension based on the backend type, (with the implicit
assumption that any given backend only supports one backend type).
That seems like a useful way of using savefig, and I don't think it's
correct to break it just because cairo supports multiple file types.
My suggestion would be to make it default to .png if no additional
information is provided, and then to also add some sort of pseudo
backends so that the other cairo-supported file types could easily be
obtained with this same savefig call. For example something like:
python myscript.py -dCairoPDF
What do you think? Would that be simple to implement?
-Carl
PS. I'd be more inclined to name the backends things like cairo-pdf
than CairoPDF but it seems that the latter better fits the existing
convention for matplotlib backend naming.
pgpkwqB6ms90i.pgp
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