Fix bounding rect of glyph runs in multi-line QTextLayout

When getting the glyph runs from a QTextLayout with multiple
lines, the glyph runs would be merged if possible, but not their
bounding rects. This was an oversight.

[ChangeLog][Text][QTextLayout] QTextLayout::glyphRuns() now returns
united bounding rects for glyph runs that are merged.

Change-Id: Ibbeaa99ecfc4e82e7965342efdae7c3c2b637343
Task-number: QTBUG-50715
Reviewed-by: Konstantin Ritt <ritt.ks@gmail.com>
Reviewed-by: Lars Knoll <lars.knoll@theqtcompany.com>

1 files changed, 3 insertions, 0 deletions

diff --git a/src/gui/text/qtextlayout.cpp b/src/gui/text/qtextlayout.cpp
index 65650504ac..9e2a23a7f7 100644
--- a/src/gui/text/qtextlayout.cpp
+++ b/src/gui/text/qtextlayout.cpp
@@ -1058,12 +1058,15 @@ QList<QGlyphRun> QTextLayout::glyphRuns(int from, int length) const
 
                     QVector<quint32> indexes = oldGlyphRun.glyphIndexes();
                     QVector<QPointF> positions = oldGlyphRun.positions();
+                    QRectF boundingRect = oldGlyphRun.boundingRect();
 
                     indexes += glyphRun.glyphIndexes();
                     positions += glyphRun.positions();
+                    boundingRect = boundingRect.united(glyphRun.boundingRect());
 
                     oldGlyphRun.setGlyphIndexes(indexes);
                     oldGlyphRun.setPositions(positions);
+                    oldGlyphRun.setBoundingRect(boundingRect);
                 } else {
                     glyphRunHash[key] = glyphRun;
                 }