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bug#64908: 29.1; svg parse failure
From: |
Eli Zaretskii |
Subject: |
bug#64908: 29.1; svg parse failure |
Date: |
Sat, 05 Aug 2023 13:41:20 +0300 |
> Date: Sat, 5 Aug 2023 11:24:19 +0100
> From: Alan Third <alan@idiocy.org>
> Cc: da_vid@orange.fr, 64908@debbugs.gnu.org
>
> On Sat, Aug 05, 2023 at 01:07:38PM +0300, Eli Zaretskii wrote:
> > > Date: Sat, 5 Aug 2023 10:58:26 +0100
> > > From: Alan Third <alan@idiocy.org>
> > > Cc: Eli Zaretskii <eliz@gnu.org>, 64908@debbugs.gnu.org
> > >
> > > diff --git a/src/image.c b/src/image.c
> > > index c9420b48f4a..96e0f2a7225 100644
> > > --- a/src/image.c
> > > +++ b/src/image.c
> > > @@ -11161,6 +11161,21 @@ svg_css_length_to_pixels (RsvgLength length,
> > > double dpi, int font_size)
> > > case RSVG_UNIT_IN:
> > > value *= dpi;
> > > break;
> > > + case RSVG_UNIT_PERCENT:
> > > + /* Percent is a ratio of the containing "viewport". We don't
> > > + have a viewport, as such, as we try to draw the image to it's
> > > + own desired size rather than dictate the size as if we were
> > > + drawing icons on a toolbar or similar. This means that
> > > + percent values are useless to us and we are best off just
> > > + drawing the image according to whatever other sizes we can
> > > + derive.
> > > +
> > > + If we do set explicit width and height values in the image
> > > + spec, this will work out correctly as librsvg will still
> > > + honour the percentage sizes in its final rendering no matter
> > > + what size we make the image. */
> > > + value = 0;
> > > + break;
> >
> > I don't see RSVG_UNIT_PERCENT anywhere in the librsvg headers on my
> > system, so perhaps this was introduced by some later version, and
> > should be guarded by LIBRSVG_CHECK_VERSION?
>
> Hmm, I can't find any reference to when it was introduced, so it's
> probably easier just to remove it and put the comment in the default
> case.
My guess is it was introduced in v2.46, as the entire code of
svg_css_length_to_pixels is guarded by that version. So I think using
RSVG_UNIT_PERCENT in that function is fine.
- bug#64908: 29.1; svg parse failure, (continued)
- bug#64908: 29.1; svg parse failure, David Ponce, 2023/08/04
- bug#64908: 29.1; svg parse failure, Eli Zaretskii, 2023/08/04
- bug#64908: 29.1; svg parse failure, David Ponce, 2023/08/04
- bug#64908: 29.1; svg parse failure, Alan Third, 2023/08/04
- bug#64908: 29.1; svg parse failure, Eli Zaretskii, 2023/08/04
- bug#64908: 29.1; svg parse failure, David Ponce, 2023/08/04
- bug#64908: 29.1; svg parse failure, David Ponce, 2023/08/05
- bug#64908: 29.1; svg parse failure, Alan Third, 2023/08/05
- bug#64908: 29.1; svg parse failure, Eli Zaretskii, 2023/08/05
- bug#64908: 29.1; svg parse failure, Alan Third, 2023/08/05
- bug#64908: 29.1; svg parse failure,
Eli Zaretskii <=
- bug#64908: 29.1; svg parse failure, David Ponce, 2023/08/05
- bug#64908: 29.1; svg parse failure, Alan Third, 2023/08/05
- bug#64908: 29.1; svg parse failure, David Ponce, 2023/08/05
- bug#64908: 29.1; svg parse failure, Alan Third, 2023/08/05
- bug#64908: 29.1; svg parse failure, David Ponce, 2023/08/05
- bug#64908: 29.1; svg parse failure, Alan Third, 2023/08/05
- bug#64908: 29.1; svg parse failure, David Ponce, 2023/08/05
- bug#64908: 29.1; svg parse failure, Alan Third, 2023/08/05
- bug#64908: 29.1; svg parse failure, David Ponce, 2023/08/05
- bug#64908: 29.1; svg parse failure, Alan Third, 2023/08/05