diff options
| author | Anton Kudryavtsev <a.kudryavtsev@netris.ru> | 2016-02-24 15:53:59 +0300 |
|---|---|---|
| committer | Anton Kudryavtsev <a.kudryavtsev@netris.ru> | 2016-02-25 04:56:31 +0000 |
| commit | 97965a0908b8fbf7f01d0880410929a4ea61b48d (patch) | |
| tree | 4acb6d2c10e7f0816cb57540aabdbb84502806e2 /src/gui/kernel/qhighdpiscaling_p.h | |
| parent | 8dc024adc64ba667ede2854b2411775a9e18cafc (diff) | |
QtGui: use reserve to optimize memory allocation.
Change-Id: I34a571b67840557de19ab496cadebd698c7f4f6a
Reviewed-by: Marc Mutz <marc.mutz@kdab.com>
Diffstat (limited to 'src/gui/kernel/qhighdpiscaling_p.h')
| -rw-r--r-- | src/gui/kernel/qhighdpiscaling_p.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/gui/kernel/qhighdpiscaling_p.h b/src/gui/kernel/qhighdpiscaling_p.h index 60e8dcf562..fe71de6c27 100644 --- a/src/gui/kernel/qhighdpiscaling_p.h +++ b/src/gui/kernel/qhighdpiscaling_p.h @@ -473,6 +473,7 @@ QVector<T> fromNativePixels(const QVector<T> &pixelValues, const QWindow *window return pixelValues; QVector<T> pointValues; + pointValues.reserve(pixelValues.size()); for (const T &pixelValue : pixelValues) pointValues.append(pixelValue / QHighDpiScaling::factor(window)); return pointValues; @@ -486,6 +487,7 @@ QVector<T> toNativePixels(const QVector<T> &pointValues, const QWindow *window) return pointValues; QVector<T> pixelValues; + pixelValues.reserve(pointValues.size()); for (const T &pointValue : pointValues) pixelValues.append(pointValue * QHighDpiScaling::factor(window)); return pixelValues; |