1 files changed, 8 insertions, 9 deletions

diff --git a/src/plugins/platforms/xcb/qxcbbackingstore.cpp b/src/plugins/platforms/xcb/qxcbbackingstore.cpp
index 844ed8f579..9fa9db158b 100644
--- a/src/plugins/platforms/xcb/qxcbbackingstore.cpp
+++ b/src/plugins/platforms/xcb/qxcbbackingstore.cpp
@@ -223,14 +223,14 @@ bool QXcbShmImage::scroll(const QRegion &area, int dx, int dy)
         preparePaint(area);
 
     const QPoint delta(dx, dy);
-    foreach (const QRect &rect, area.rects())
+    for (const QRect &rect : area)
         qt_scrollRectInImage(*image(), rect, delta);
 
     if (m_xcb_pixmap) {
         flushPixmap(area);
         ensureGC(m_xcb_pixmap);
         const QRect bounds(QPoint(0, 0), size());
-        foreach (const QRect &src, area.rects()) {
+        for (const QRect &src : area) {
             const QRect dst = src.translated(delta).intersected(bounds);
             Q_XCB_CALL(xcb_copy_area(xcb_connection(),
                                      m_xcb_pixmap,
@@ -524,11 +524,9 @@ void QXcbBackingStore::beginPaint(const QRegion &region)
     if (m_image->hasAlpha()) {
         QPainter p(paintDevice());
         p.setCompositionMode(QPainter::CompositionMode_Source);
-        const QVector<QRect> rects = m_paintRegion.rects();
         const QColor blank = Qt::transparent;
-        for (QVector<QRect>::const_iterator it = rects.begin(); it != rects.end(); ++it) {
-            p.fillRect(*it, blank);
-        }
+        for (const QRect &rect : m_paintRegion)
+            p.fillRect(rect, blank);
     }
 }
 
@@ -540,11 +538,12 @@ void QXcbBackingStore::endPaint()
 
     // Slow path: the paint device was m_rgbImage. Now copy with swapping red
     // and blue into m_image.
-    const QVector<QRect> rects = m_paintRegion.rects();
-    if (rects.isEmpty())
+    auto it = m_paintRegion.begin();
+    const auto end = m_paintRegion.end();
+    if (it == end)
         return;
     QPainter p(m_image->image());
-    for (QVector<QRect>::const_iterator it = rects.begin(); it != rects.end(); ++it) {
+    while (it != end) {
         const QRect rect = *it;
         p.drawImage(rect.topLeft(), m_rgbImage.copy(rect).rgbSwapped());
     }