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Remove some redundant calls to updatePosCache

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The setting of insets positions was done twice in updateMetrics.
When one of the paragraph is a huge branch, this can be very expensive.

This leads to a 17% improvement on updateMetrics time on a scrolling test.

Part of bug #12297

(cherry picked from commit d19ade9a61)
This commit is contained in:
Jean-Marc Lasgouttes 2023-07-24 15:35:16 +02:00
parent 13c7fd78c6
commit e51f9d9f88
1 changed files with 0 additions and 3 deletions
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3
src/BufferView.cpp
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@ -3216,7 +3216,6 @@ void BufferView::updateMetrics(Update::flags & update_flags)
}
}
anchor_pm.setPosition(d->anchor_ypos_);
tm.updatePosCache(d->anchor_pit_);
LYXERR(Debug::PAINTING, "metrics: "
<< " anchor pit = " << d->anchor_pit_
@ -3232,7 +3231,6 @@ void BufferView::updateMetrics(Update::flags & update_flags)
y1 -= pm.descent();
// Save the paragraph position in the cache.
pm.setPosition(y1);
tm.updatePosCache(pit1);
y1 -= pm.ascent();
}
@ -3246,7 +3244,6 @@ void BufferView::updateMetrics(Update::flags & update_flags)
y2 += pm.ascent();
// Save the paragraph position in the cache.
pm.setPosition(y2);
tm.updatePosCache(pit2);
y2 += pm.descent();
}