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Added QT bugs list

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Martin Tůma 2024-08-02 09:09:48 +02:00
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significantly speed up rendering of big data sets. You may enable OpenGL in
the preferences, but be prepared that "strange things" may happen...</p>
<h3>Qt6</h3>
<p>Many Linux distributions compile GPXSee using Qt6, but Qt6 has serious rendering issues
that affect GPXSee. See the QT bugs list for details.</p>
<h3>Qt bugs</h3>
<p>This is the list of the most severe Qt bugs that affect GPXSee (some of them are
platform/Qt version specific):</p>
<ul>
<li><a href="https://bugreports.qt.io/browse/QTBUG-127653">QTBUG-127653</a>
- QPainter coordinates rounding broken when rendering to QImage</li>
<li><a href="https://bugreports.qt.io/browse/QTBUG-123126">QTBUG-123126</a>
- QGraphicsView content is blured when fractional scaling and OpenGL is used</li>
<li><a href="https://bugreports.qt.io/browse/QTBUG-111499">QTBUG-111499</a>
- Multiple QPainter::drawImage() calls are broken when OpenGL is used</li>
<li><a href="https://bugreports.qt.io/browse/QTBUG-120498">QTBUG-120498</a>
- QOpenGLWidget as QGraphicsView viewport crashes Qt on Android</li>
<li><a href="https://bugreports.qt.io/browse/QTBUG-126848">QTBUG-126848</a>
- QMenu on Android is completely broken in Qt 6.7.2</li>
<li><a href="https://bugreports.qt.io/browse/QTBUG-120455">QTBUG-120455</a>
- QPainter coordinates rounding broken when HiDPI scaling is used</li>
<li><a href="https://bugreports.qt.io/browse/QTBUG-96467">QTBUG-96467</a>
- QFontMetrics unusable in multithreaded applications</li>
<li><a href="https://bugreports.qt.io/browse/QTBUG-123125">QTBUG-123125</a>
- QMainWindow::devicePixelRatioF() reports wrong ratio on Wayland</li>
<li><a href="https://bugreports.qt.io/browse/QTBUG-121460">QTBUG-121460</a>
- Broken opening of files with content:// Uri filenames</li>
<li><a href="https://bugreports.qt.io/browse/QTBUG-110878">QTBUG-110878</a>
- Fullscreen windows rendered behind navigation bar</li>
<li><a href="https://bugreports.qt.io/browse/QTBUG-81791">QTBUG-81791</a>
- QToolbar rendering broken</li>
</ul>
<div id="footnote">
<p id="androidGlobalConfig"><i>[1] The Android global configuration is part of the APK