Fabrice Popineau <fabrice.popineau@gmail.com> writes:
> My point is that only one of imagemagick and libpng will handle png
> files at a time. When ImageMagick is available, it supersedes png,
> jpeg and anything it handles (AFAICS).
No, the used library depends on the image-type, i.e.
(create-image "foo.png" 'imagemagick)
vs.
(create-image "foo.png" 'png)