Re: [PATCH] add a function to only refresh inline images under current headline instead of global buffer

[Christopher M. Miles]

Ihor Radchenko <yantar92@posteo.net> writes:

> "Christopher M. Miles" <numbchild@gmail.com> writes:
>
>> The `org-redisplay-inline-images' will refresh whole buffer inline
>> images. When the buffer is a big Org file, and not all inline images are
>> display already by default (still image file links under fold status).
>> Invoking `org-redisplay-inline-images' will cause Emacs suspend a long
>> time.
>>
>> So I suggest to add an variant local function of
>> `org-redisplay-inline-images' which named
>> `org-redisplay-inline-images-under-headline' that only redisplay inline
>> images under current headline to solve the issue.
>>
>> Here is the diff code prototype, Ihor, can you review it? If it's ok, I
>> will send patch update then.
>
> I'd prefer something more closely resembling `org-latex-preview'
> approach with prefix arguments:
>
>     Toggle preview of the LaTeX fragment at point.
>     
>     If the cursor is on a LaTeX fragment, create the image and
>     overlay it over the source code, if there is none.  Remove it
>     otherwise.  If there is no fragment at point, display images for
>     all fragments in the current section.  With an active region,
>     display images for all fragments in the region.
>     
>     With a C-u prefix argument ARG, clear images for all fragments
>     in the current section.
>     
>     With a C-u C-u prefix argument ARG, display image for all
>     fragments in the buffer.
>     
>     With a C-u C-u C-u prefix argument ARG, clear image for all
>     fragments in the buffer.
>
> `org-toggle-inline-images' should also be changed.

I agree this solution. I will check out latex fragment preview source
code whether I can implement this.

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