bug#69992: Minor improvement to image map transformation logic

[David Ponce]

On 27/03/2024 13:50, Eli Zaretskii wrote:
> > Date: Wed, 27 Mar 2024 12:16:11 +0100
> > From:  David Ponce via "Bug reports for GNU Emacs,
> >   the Swiss army knife of text editors" <bug-gnu-emacs@gnu.org>
> >
> > Many thanks for this feature, which is particularly useful to
> > automatically recalculate the map of computed images like SVG.
> >
> > To make the code faster, by avoiding multiple scans of the map for
> > copy and parsing, I propose the following patch which factors most of
> > the code into the functions `image--compute-map' and `image--compute
> > -original-map'. I have done some tests on my side which are
> > conclusive.
> >
> > Furthermore, I wonder if the term :base-map would not be more
> > descriptive than :original-map?
>
> Thanks.
>
> Joseph, any comments or suggestions?

Attached the same patch slightly cleaned up.

image.el-compute-map-V1.patch
Description: Text Data