diff options
Diffstat (limited to 'src/gui/text/qtextengine.cpp')
| -rw-r--r-- | src/gui/text/qtextengine.cpp | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/src/gui/text/qtextengine.cpp b/src/gui/text/qtextengine.cpp index 2da13289bf..a7834587b1 100644 --- a/src/gui/text/qtextengine.cpp +++ b/src/gui/text/qtextengine.cpp @@ -399,6 +399,7 @@ struct QBidiAlgorithm { analysis[i].bidiDirection = (level & 1) ? QChar::DirR : QChar::DirL; runHasContent = true; lastRunWithContent = -1; + ++isolatePairPosition; } int runBeforeIsolate = runs.size(); ushort newLevel = isRtl ? ((stack.top().level + 1) | 1) : ((stack.top().level + 2) & ~1); @@ -440,21 +441,19 @@ struct QBidiAlgorithm { doEmbed(true, true, false); break; case QChar::DirLRI: - Q_ASSERT(isolatePairs.at(isolatePairPosition).start == i); doEmbed(false, false, true); - ++isolatePairPosition; break; case QChar::DirRLI: - Q_ASSERT(isolatePairs.at(isolatePairPosition).start == i); doEmbed(true, false, true); - ++isolatePairPosition; break; case QChar::DirFSI: { - const auto &pair = isolatePairs.at(isolatePairPosition); - Q_ASSERT(pair.start == i); - bool isRtl = QStringView(text + pair.start + 1, pair.end - pair.start - 1).isRightToLeft(); + bool isRtl = false; + if (isolatePairPosition < isolatePairs.size()) { + const auto &pair = isolatePairs.at(isolatePairPosition); + Q_ASSERT(pair.start == i); + isRtl = QStringView(text + pair.start + 1, pair.end - pair.start - 1).isRightToLeft(); + } doEmbed(isRtl, false, true); - ++isolatePairPosition; break; } |