Re: Request for review `image-roll.el` for Emacs core (or ELPA)

[dalanicolai <dalanicolai@gmail.com>]

[-- Attachment #1: Type: text/plain, Size: 3537 bytes --]

I forgot to add the link but have added it in one of my replies

On Tue, 19 Apr 2022 at 09:15, Philip Kaludercic <philipk@posteo.net> wrote:

> dalanicolai <dalanicolai@gmail.com> writes:
>
> > I have written a 'scroll/image roll' package that could be considered an
> > extension to image-mode.
> > The package provides a 'displaying' mechanism for displaying
> > images/documents as a single 'virtual scroll'. The main feature/advantage
> > of the package is that it allows for the 'much requested' continuous
> > scrolling.
>
> Have I missed something or where can I see the source code?  ELPA would
> ideally require a public Git repository to mirror and built the packages
> from.
>
> > In the package I have extracted (and improved) the 'display engine' (or
> > whatever to call it), from some earlier experiments of implementing
> > continuous scroll into doc-view and pdf-tools.
> >
> > The current package can be used for displaying documents like books, but
> > also for displaying a selection of images. I first thought of calling it
> > papyrus.el (because scroll and bookroll, would clutter too much the Emacs
> > namespaces), but finally I thought, as it can be used to show images on a
> > toll, and can be considered an extension to image-mode, it would be
> better
> > to call it image-roll.el (or maybe just roll), opinions and suggestions
> > about the name are very welcome.
> >
> > For testing, he package contains a `papyrus-demo` function that can
> simply
> > be called after loading the package (best after starting from emacs -Q).
> >  Additionally, as a final step, and as an example of how the package can
> be
> > used, I have included an `image-roll-directory` function in the last
> > section (of 38 lines only) in the file, to provide an example of how the
> > package can be used to display all images within some directory on a
> 'roll'.
> > This is only a minimal example; as this does not have my priority, I did
> > not bother to make it 'fit/scale' the images.
> >
> > However, I have written also an extension for `pdf-tools`, that provides
> a
> > toggle function so that users can toggle between the 'single' page
> > displaying, or the `image-roll` displaying. That file can be found here
> > <
> https://github.com/dalanicolai/pdf-tools/blob/papyrus-version/lisp/pdf-scroll.el
> >.
> > That file can simply be downloaded and loaded (after first setting the
> path
> > to image-roll.el at the top of the file, of course this requires
> pdf-tools
> > to be installed).
> >
> > I would be happy with any feedback, and info about if and how (what is
> > required) this could be added to Emacs core. If you think this package is
> > not a good candidate for core (after the required modifications), then I
> > would also be happy if it could be added to ELPA (although the package on
> > itself is not very interesting, it should get used by 'extensions' e.g.
> for
> > pdf-tools, dired, doc-view, djvu.el etc.).
>
> dalanicolai <dalanicolai@gmail.com> writes:
>
> > (I should really switch to Emacs for mail, the above mail probably looks
> > terrible on the archive, anyway...)
>
> Looks fine using Gnus, I'm guessing the archive is using the HTML part
> of the message.
>
> > As a short comment, on pdf-scroll.el. That file contains only a few lines
> > of 'new' code. The major part of that
> > file contains copies of 'original' pdf-tools function, but with some
> minor
> > modifications. I will add comments
> > behind the lines containing modifications.
>
> --
>         Philip Kaludercic
>

[-- Attachment #2: Type: text/html, Size: 4503 bytes --]