Re: [PROBLEM] The commit "e1f09607e0" caused org-mode inline image preview try to convert PDF file link

Re: [PROBLEM] The commit "e1f09607e0" caused org-mode inline image preview try to convert PDF file link

[numbchild]

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Because this problem involved Emacs, so I Cc Emacs mailing list too.

The problem is the commit "e1f09607e0" auto convert PDF file link in Org
Mode when toggle inline image display. This used 100% of CPU by "gs"
command.

Hi @Nicolas:

I finally figured out the reason.
I'm using the latest "master" branch source code compiled Emacs. And it add
new feature to convert possible image files.
The commit "e1f09607e0" caused this problem. I confirmed by git checkout a
commit before it. And re-eval source code, then the problem is gone. This
is because the commit added ~image-converter-file-name-extensions~ in
image-convert.el library which includes "pdf" file extension. It uses
command "gs" to convert pdf to image which use 100% of CPU.

[image: image.png]

I thinked about this problem, maybe this should modify code in Org Mode
side to exclude new ~image-converter-file-name-extensions~.

Or does anyone have better solution?

[stardiviner]           <Hack this world!>      GPG key ID: 47C32433
IRC(freeenode): stardiviner                     Twitter:  @numbchild
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Blog: http://stardiviner.github.io/


On Mon, Aug 17, 2020 at 2:15 PM Nicolas Goaziou <mail@nicolasgoaziou.fr>
wrote:

> Hello,
>
> "numbchild@gmail.com" <numbchild@gmail.com> writes:
>
> > The latest commit "f4687993c53a5339e" added "pdf" file type into inline
> > image rules.
>
> No, it doesn't. "pdf" was already in the list before this commit.
>
> > This caused org-toggle-inline-image try to convert large PDF
> > into png images. Caused very long time suspend.
>
> You can customize the variable and remove "pdf".
>
> Regards,
> --
> Nicolas Goaziou
>

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Re: [PROBLEM] The commit "e1f09607e0" caused org-mode inline image preview try to convert PDF file link

[Lars Ingebrigtsen]

"numbchild@gmail.com" <numbchild@gmail.com> writes:

> The commit "e1f09607e0" caused this problem. I confirmed by git
> checkout a commit before it. And re-eval source code, then the problem
> is gone. This is because the commit added
> ~image-converter-file-name-extensions~ in image-convert.el library
> which includes "pdf" file extension. It uses command "gs" to convert
> pdf to image which use 100% of CPU.

I think image-converter.el should have a list of types that it shouldn't
attempt to convert, even if the backend says that it can.  PDF/PS are
obvious things -- they aren't images, but imagemagick will offer to
display them anyway.

I'll add that to Emacs 28.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

[SOLVED] Re: [PROBLEM] The commit "e1f09607e0" caused org-mode inline image preview try to convert PDF file link

[numbchild]

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Thanks Lars. I will wait for new update in Emacs source code, then
re-compile Emacs.

[stardiviner]           <Hack this world!>      GPG key ID: 47C32433
IRC(freeenode): stardiviner                     Twitter:  @numbchild
Key fingerprint = 9BAA 92BC CDDD B9EF 3B36  CB99 B8C4 B8E5 47C3 2433
Blog: http://stardiviner.github.io/


On Sat, Aug 22, 2020 at 9:03 PM Lars Ingebrigtsen <larsi@gnus.org> wrote:

> "numbchild@gmail.com" <numbchild@gmail.com> writes:
>
> > The commit "e1f09607e0" caused this problem. I confirmed by git
> > checkout a commit before it. And re-eval source code, then the problem
> > is gone. This is because the commit added
> > ~image-converter-file-name-extensions~ in image-convert.el library
> > which includes "pdf" file extension. It uses command "gs" to convert
> > pdf to image which use 100% of CPU.
>
> I think image-converter.el should have a list of types that it shouldn't
> attempt to convert, even if the backend says that it can.  PDF/PS are
> obvious things -- they aren't images, but imagemagick will offer to
> display them anyway.
>
> I'll add that to Emacs 28.
>
> --
> (domestic pets only, the antidote for overdose, milk.)
>    bloggy blog: http://lars.ingebrigtsen.no
>

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Re: [SOLVED] Re: [PROBLEM] The commit "e1f09607e0" caused org-mode inline image preview try to convert PDF file link

[Lars Ingebrigtsen]

"numbchild@gmail.com" <numbchild@gmail.com> writes:

> Thanks Lars. I will wait for new update in Emacs source code, then re-compile
> Emacs.

The fix has been pushed already.  :-)

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no