Avoid an unnecessary copy in QImage::scaled().

This comes from the dark ages of Qt 3.x, where QImage was an
explicitly shared class.

Task-number: QTBUG-7231
Reviewed-by: Kim

1 files changed, 1 insertions, 1 deletions

diff --git a/src/gui/image/qimage.cpp b/src/gui/image/qimage.cpp
index 4e10b5b..4f5efa1 100644
--- a/src/gui/image/qimage.cpp
+++ b/src/gui/image/qimage.cpp
@@ -3992,7 +3992,7 @@ QImage QImage::scaled(const QSize& s, Qt::AspectRatioMode aspectMode, Qt::Transf
     QSize newSize = size();
     newSize.scale(s, aspectMode);
     if (newSize == size())
-        return copy();
+        return *this;
 
     QTransform wm = QTransform::fromScale((qreal)newSize.width() / width(), (qreal)newSize.height() / height());
     QImage img = transformed(wm, mode);