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bug#55322: 28.1; :base-uri not working for svg images on mac
From: |
Po Lu |
Subject: |
bug#55322: 28.1; :base-uri not working for svg images on mac |
Date: |
Mon, 09 May 2022 11:32:01 +0800 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/28.0.91 (gnu/linux) |
Howard Melman <hmelman@gmail.com> writes:
> Please forgive this bug report, I'm a bit out of my depth on the
> technologies here but I'm trying.
>
> I found this on the macport of Emacs 28.1 but it fails in a similar
> though slightly different way on vanilla emacs 28.1 -Q. from
> https://emacsformacosx.com/
>
> I only know how to reproduce this with the osm package available from
> GNU ELPA or https://github.com/minad/osm This renders maps from open
> street maps inside emacs. It requires the package compat.
>
> To reproduce, load the package compat and then osm (just osm.elc) and
> do M-x osm-search and enter a place with completion, I used London for
> this example. In Emacs 28.1 -Q it renders as follows:
This might very well be a different bug, since I don't see the location
marker being displayed on top, but instead I see "garbled" display.
What happens if you set a breakpoint in GDB on this piece of code in
image.c?
/* Set base_uri for properly handling referenced images (via 'href').
Can be explicitly specified using `:base_uri' image property.
See rsvg bug 596114 - "image refs are relative to curdir, not .svg file"
<https://gitlab.gnome.org/GNOME/librsvg/issues/33>. */
if (filename)
rsvg_handle_set_base_uri (rsvg_handle, filename);
Is it triggered? And if so, what is the value of `filename'?
> The issue is that one of the tiles isn't being rendered. osm displays
> an svg location marker at the searched for location and displays the
> map tile behind that. On the macport it renders as follows which I
> think exposes the issue more clearly:
It's not useful to compare the code in Carbon Emacs with the code in
Emacs.app. They use completely different code paths to handle the
`base-uri' attribute.