https://bugs.documentfoundation.org/show_bug.cgi?id=152239

--- Comment #7 from Caolán McNamara <caol...@redhat.com> ---
Created attachment 183829
  --> https://bugs.documentfoundation.org/attachment.cgi?id=183829&action=edit
zoomed in DejaVu Sans gen above gtk below

Yeah, we're explicitly forcing just slight hinting if hinting is enabled. The
positions for determining line breaks aren't affected by whatever hinting mode
is done, layout is done at printer resolutions where hinting doesn't matter
anyway. But with full hinting we can't guarantee that the smaller font used on
the lower resolution screen will fit into the space the text in the larger
print resolution font occupied when scaled down to the screen resolution. Or at
least that's the working assumption. So light/slight/vertical-hinting-only is
deliberate.

In LibreOffice 7.4 the various stuff described in this presentation:
https://events.documentfoundation.org/media/libreoffice-conference-2022/submissions/B87ZBP/resources/LibreOfficeCon-2022-ResolutionI_2TieDK1.odp
is only applied for the main writer window so there indeed is a discrepancy
with the preview in the dialog. In 7.5 the preview matches.

I'm surprised to hear that gen vs gtk makes a difference. We render with the
same code by default and with the same settings. Locally here, as seen in this
screenshot, I get the same pixels for gtk and gen. A difference there in
7.4.3.2 is surprising? Was there a difference with gen in 7.4.3.2 or was it an
earlier 7.4 version where there might have been a discrepancy in settings?

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