https://bugs.documentfoundation.org/show_bug.cgi?id=152609
Bug ID: 152609
Summary: Bad qt5 PNG rendering
Product: LibreOffice
Version: 7.4.3.2 release
Hardware: x86-64 (AMD64)
OS: Linux (All)
Status: UNCONFIRMED
Severity: normal
Priority: medium
Component: Impress
Assignee: [email protected]
Reporter: [email protected]
Description:
PNG images are badly rendered when using qt5 engine.
Examples:
test-png-rendering.odp => Impress presentation with a PNG drawing
test-gen-rendering.png => Screenshot of presentation with gen engine (PNG
rendering OK)
test-gtk3-rendering.png => Screenshot of presentation with gtk3 engine (PNG
rendering OK)
test-qt5-rendering.png => Screenshot of presentation with qt5 engine (PNG
rendering KO, antialiasing problem?)
This always reproducible and also happens in Writer and Draw.
LibreOffice
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Version: 7.4.2.3 / LibreOffice Community
Build ID: 40(Build:3)
CPU threads: 48; OS: Linux 5.15; UI render: default; VCL: qt5 (qfont+xcb)
Locale: fr-CH (fr_FR.UTF-8); UI: fr-FR
Ubuntu package version: 1:7.4.2~rc3-0ubuntu0.22.04.1~lo1
Calc: threaded
System
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Ubuntu 22.04.1 LTS 64 bits
For the tests, I used a fresh LibreOffice profile in a fresh user profile.
Actual Results:
Bad PNG rendering with qt5 engine
Expected Results:
Good PNG rendering with qt5 engine
Reproducible: Always
User Profile Reset: Yes
Additional Info:
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