Re: Emacs and ImageMagick-7 issues

[Angelo Graziosi <angelo.graziosi@alice.it>]

Il 13/01/2017 14:01, Tino Calancha ha scritto:
>
>
> On Fri, 13 Jan 2017, Angelo Graziosi wrote:
>
>> Start Emacs and visit a PNG or JPG etc, file. For example foo-01.png.
>> It is displayed correctly and fitted to the windows *width*. Now do
>> the same with another graphical file. For example foo-02.png. It also
>> is displayed correctly and fitted to the window WIDTH.
>>
>> Close foo-02.png and for foo-01.png click Image - Fit to Window
>> Height. It complains with a BELL sound and with the message:
>>
>>>
>>> Assertion failed: (= (cdr size) (- (nth 3 (window-inside-pixel-edges))
>>> (nth 1 (window-inside-pixel-edges)))), 821, 814
>>> user-error: Minibuffer window is not active
>>
>> but the file is displayed correctly, at least in appearance! If now
>> one re-visit foo-02.png it is visited in Fundamental mode and with the
>> message:
>>
>>> Cannot display image: ((= (cdr size) (- (nth 3
>>> (window-inside-pixel-edges)) (nth 1 (window-inside-pixel-edges))))
>>> 821 814)
>>
>> It seems that this build of Emacs does not like "Image - Fit to Window
>> Height". The graphical format (PNJ, JPG..) seems irrelevant..
> Hi Angelo,
>
> that sounds like:
> http://debbugs.gnu.org/24393

Hmm.. as I wrote the master build I did a few days ago on GNU/Linux Mint 
18.1 with ImageMagick-6 does not show these issues.. They seem related 
to ImageMagick-7 and/or MSYS2/MinGW64 builds..