From 79cbff60dd8e1e1bbe922c0cf0dc65296e50a5c5 Mon Sep 17 00:00:00 2001
From: Marc Mutz <marc.mutz@kdab.com>
Date: Sat, 27 Feb 2016 14:34:46 +0100
Subject: QtGui: use new QRegion::begin()/end() instead of rect()

Saves ~1100b in text size on optimized GCC 5.3 Linux AMD64 builds.

Change-Id: I928be44314dde06d5fdd2486a3417870bda64af4
Reviewed-by: Olivier Goffart (Woboq GmbH) <ogoffart@woboq.com>
---
 src/gui/painting/qplatformbackingstore.cpp | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

(limited to 'src/gui/painting/qplatformbackingstore.cpp')

diff --git a/src/gui/painting/qplatformbackingstore.cpp b/src/gui/painting/qplatformbackingstore.cpp
index 6cec4a0a8d..61975ee045 100644
--- a/src/gui/painting/qplatformbackingstore.cpp
+++ b/src/gui/painting/qplatformbackingstore.cpp
@@ -250,9 +250,8 @@ static QRegion deviceRegion(const QRegion &region, QWindow *window, const QPoint
         return region;
 
     QVector<QRect> rects;
-    const QVector<QRect> regionRects = region.rects();
-    rects.reserve(regionRects.count());
-    for (const QRect &rect : regionRects)
+    rects.reserve(region.rectCount());
+    for (const QRect &rect : region)
         rects.append(deviceRect(rect.translated(offset), window));
 
     QRegion deviceRegion;
-- 
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