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bug#54646: 29.0.50; set-fontset-font and font clipping issues
From: |
Visuwesh |
Subject: |
bug#54646: 29.0.50; set-fontset-font and font clipping issues |
Date: |
Sun, 12 Jun 2022 10:19:24 +0530 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) |
[Saturday June 11, 2022] Visuwesh wrote:
> [வெள்ளி ஏப்ரல் 22, 2022] Eli Zaretskii wrote:
>
> I think this might be a cairo+pango problem. My suspicion is due to
> this bug report https://github.com/harfbuzz/harfbuzz/issues/1892 --
> although I don't see the problem with English text as shown in the
> screenshots.
>
> I tried to turn off font metrics in cairo by applying the following
> patch,
>
>
>
> but that did not solve the issue.
>
> However, I have been using the xft+harfbuzz combo for a ~week now and I
> can say with confidence that I don't experience this strange issue. I
> would highly appreciate it if the decision to remove the xft backend
> could be delayed until a solution comes up [1]. Although the font
> rendering is worse, the text stays readable at all font sizes.
>
>
> [1] ./configure --with-cairo says,
>
> configure: WARNING: This configuration uses libXft, which has a number of
> font rendering issues, and is being considered for removal in the
> next release of Emacs. Please consider using Cairo graphics +
> HarfBuzz text shaping instead (they are auto-detected if the
> relevant development headers are installed).
I forgot to mention: I tried the patch with cairo 1.17.4 to no avail either.