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| author | Kim Motoyoshi Kalland <kim.kalland@nokia.com> | 2009-11-30 13:13:11 +0100 |
|---|---|---|
| committer | Kim Motoyoshi Kalland <kim.kalland@nokia.com> | 2009-11-30 14:46:43 +0100 |
| commit | 0fa878c4d2dfc25d4641a6654a9b482230559c3a (patch) | |
| tree | cb03a353992323252ec4bdab9aa31de6187a7802 /src/gui/painting | |
| parent | 0f61a0f1ce02bb0248cb87055240a8a474dce452 (diff) | |
| download | qt4-tools-0fa878c4d2dfc25d4641a6654a9b482230559c3a.tar.gz | |
Fixed square root of negative number in drawTextItem().
Fixed potential bug where you could end up taking the square root of a
negative number in drawTextItem() in the raster and OpenGL paint
engines.
Task-number: QTBUG-6327
Reviewed-by: Trond
Diffstat (limited to 'src/gui/painting')
| -rw-r--r-- | src/gui/painting/qpaintengine_raster.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/gui/painting/qpaintengine_raster.cpp b/src/gui/painting/qpaintengine_raster.cpp index 3f33319f1c..4a7243447f 100644 --- a/src/gui/painting/qpaintengine_raster.cpp +++ b/src/gui/painting/qpaintengine_raster.cpp @@ -3240,7 +3240,8 @@ void QRasterPaintEngine::drawTextItem(const QPointF &p, const QTextItem &textIte drawCached = false; // don't try to cache huge fonts - if (ti.fontEngine->fontDef.pixelSize * qSqrt(s->matrix.determinant()) >= 64) + const qreal pixelSize = ti.fontEngine->fontDef.pixelSize; + if (pixelSize * pixelSize * qAbs(s->matrix.determinant()) >= 64 * 64) drawCached = false; // ### Remove the TestFontEngine and Box engine crap, in these |