alphaMask needs to be const, because first bytesPerLine() is called and then bits(). The non-const bits() may detach and realign the data, so that the previous result of bytesPerLine() ist invalid. On S60, we actually had a 'skew' effect because of that.

1 files changed, 1 insertions, 1 deletions

diff --git a/src/gui/text/qfontengine.cpp b/src/gui/text/qfontengine.cpp
index c4dffdf92b..47fe5c2836 100644
--- a/src/gui/text/qfontengine.cpp
+++ b/src/gui/text/qfontengine.cpp
@@ -542,7 +542,7 @@ void QFontEngine::addBitmapFontToPath(qreal x, qreal y, const QGlyphLayout &glyp
             advanceY += glyphs.advances_y[i];
             continue;
         }
-        QImage alphaMask = alphaMapForGlyph(glyphs.glyphs[i]);
+        const QImage alphaMask = alphaMapForGlyph(glyphs.glyphs[i]);
 
         const int w = alphaMask.width();
         const int h = alphaMask.height();