On Tue, Jul 12, 2011 at 7:01 PM, Martin Teichmann
<martin.teichm...@mbi-berlin.de> wrote:
> (There were some quirks to get sheard images on some backends,
> see examples/api/demo_affine_image.py, but it worked on some backends
> only).

I didn't have time to go through your code carefully, but my
understanding is that you rely on Agg to get a transformed image
(resampled image) and provide that image to backends, right? Note that
when interpolation mode is "none", resampling should be prohibited.
There is a good reason why we implemented the "none" interpolation
mode even though this is not supported for some backends. Overriding
this behavior (which I guess is the case of you current ShearImage
implementation. Please correct me if I'm wrong) won't be acceptable.
Please makes sure that resampling of images only happens when the
interpolation mode is not "none".

Regards,

-JJ

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