diff options
| author | Jiang Jiang <jiang.jiang@nokia.com> | 2012-02-27 09:51:46 +0100 |
|---|---|---|
| committer | Qt by Nokia <qt-info@nokia.com> | 2012-02-28 01:12:08 +0100 |
| commit | 7df4890d8a98d872deaebd46ca8d92473a3c6585 (patch) | |
| tree | aa5237deb9ec5c663ae67241b3f9135799821639 /src | |
| parent | c2baf45c73beaa01df91d466296fd4efca25ee7a (diff) | |
Fix divide by zero when glyphWidth is 0
Change-Id: Ic0108b76b8d73cc977f8d64e036a65cb93db4684
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@nokia.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/gui/text/qtextengine.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/gui/text/qtextengine.cpp b/src/gui/text/qtextengine.cpp index 30170759a0..c63f0fede8 100644 --- a/src/gui/text/qtextengine.cpp +++ b/src/gui/text/qtextengine.cpp @@ -2702,6 +2702,8 @@ int QTextEngine::positionInLigature(const QScriptItem *si, int end, QFixed glyphWidth = glyphs.effectiveAdvance(glyph_pos); // the approximate width of each individual element of the ligature QFixed perItemWidth = glyphWidth / clusterLength; + if (perItemWidth <= 0) + return si->position + clusterStart; QFixed left = x > edge ? edge : edge - glyphWidth; int n = ((x - left) / perItemWidth).floor().toInt(); QFixed dist = x - left - n * perItemWidth; |