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diff --git a/src/gui/painting/qblittable.cpp b/src/gui/painting/qblittable.cpp
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+++ b/src/gui/painting/qblittable.cpp
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+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the QtGui module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qblittable_p.h"
+
+#ifndef QT_NO_BLITTABLE
+QT_BEGIN_NAMESPACE
+
+class QBlittablePrivate
+{
+public:
+    QBlittablePrivate(const QSize &size, QBlittable::Capabilities caps)
+        : caps(caps), m_size(size), locked(false), cachedImg(0)
+    {}
+    QBlittable::Capabilities caps;
+    QSize m_size;
+    bool locked;
+    QImage *cachedImg;
+};
+
+
+QBlittable::QBlittable(const QSize &size, Capabilities caps)
+    : d_ptr(new QBlittablePrivate(size,caps))
+{
+}
+
+QBlittable::~QBlittable()
+{
+    delete d_ptr;
+}
+
+
+QBlittable::Capabilities QBlittable::capabilities() const
+{
+    Q_D(const QBlittable);
+    return d->caps;
+}
+
+QSize QBlittable::size() const
+{
+    Q_D(const QBlittable);
+    return d->m_size;
+}
+
+QImage *QBlittable::lock()
+{
+    Q_D(QBlittable);
+    if (!d->locked) {
+        d->cachedImg = doLock();
+        d->locked = true;
+    }
+
+    return d->cachedImg;
+}
+
+void QBlittable::unlock()
+{
+    Q_D(QBlittable);
+    if (d->locked) {
+        doUnlock();
+        d->locked = false;
+    }
+}
+
+QT_END_NAMESPACE
+#endif //QT_NO_BLITTABLE
+