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Re: Image transformations

From: Eli Zaretskii
Subject: Re: Image transformations
Date: Fri, 26 Jul 2019 09:10:01 +0300

> From: Lars Ingebrigtsen <address@hidden>
> Cc: Eli Zaretskii <address@hidden>,  address@hidden
> Date: Thu, 25 Jul 2019 21:40:12 +0200
> Currently, anybody who wants to insert an image in Emacs has to say the
> equivalent of
> (create-image data
>             (if (or (and (fboundp 'image-transforms-p)
>                          (image-transforms-p))
>                     (not (fboundp 'imagemagick-types)))
>                 nil
>               'imagemagick))
> to be somewhat compatible over current Emacses (because we almost always
> want to scale images).  That's rather a mouthful, so Alan's suggestion
> was to just do this in `create-image', but better.
> I took that idea and worked it a bit more so that we never use
> imagemagick unless we absolutely need to, to satisfy the user's wishes.
> Does the following look OK to everybody?

I don't see anything wrong with that, but I don't see how it would
help in older Emacsen, either.  A simpler alternative for the above
would be to look at the Emacs version, and then you don't need most or
all of the other tests, right?

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