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| author | Tor Arne Vestbø <tor.arne.vestbo@qt.io> | 2018-12-05 17:10:34 +0100 |
|---|---|---|
| committer | Tor Arne Vestbø <tor.arne.vestbo@qt.io> | 2018-12-08 15:27:16 +0000 |
| commit | 2e715c31ed3a37fc196e97d4c58d0e277b1b9215 (patch) | |
| tree | 03549049b639b061f5203b5fb05bca4c61c7008c /src/gui/painting | |
| parent | e12aad05f039ddaefd444f80246845090ef9ce13 (diff) | |
| download | qtbase-2e715c31ed3a37fc196e97d4c58d0e277b1b9215.tar.gz | |
Allow overriding the maximum cached glyph size via the environment
Useful for testing.
Change-Id: I8cfd4453018cba0301287ad6a1c15a88cdc33c1c
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
Diffstat (limited to 'src/gui/painting')
| -rw-r--r-- | src/gui/painting/qpaintengineex.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/gui/painting/qpaintengineex.cpp b/src/gui/painting/qpaintengineex.cpp index 9f07af92e4..f4cbf15fc7 100644 --- a/src/gui/painting/qpaintengineex.cpp +++ b/src/gui/painting/qpaintengineex.cpp @@ -1090,9 +1090,14 @@ bool QPaintEngineEx::shouldDrawCachedGlyphs(QFontEngine *fontEngine, const QTran if (fontEngine->glyphFormat == QFontEngine::Format_ARGB) return true; + static const int maxCachedGlyphSizeSquared = std::pow([]{ + if (int env = qEnvironmentVariableIntValue("QT_MAX_CACHED_GLYPH_SIZE")) + return env; + return QT_MAX_CACHED_GLYPH_SIZE; + }(), 2); + qreal pixelSize = fontEngine->fontDef.pixelSize; - return (pixelSize * pixelSize * qAbs(m.determinant())) < - QT_MAX_CACHED_GLYPH_SIZE * QT_MAX_CACHED_GLYPH_SIZE; + return (pixelSize * pixelSize * qAbs(m.determinant())) < maxCachedGlyphSizeSquared; } QT_END_NAMESPACE |