1 files changed, 103 insertions, 0 deletions
diff --git a/src/plugins/platforms/direct2d/qwindowsdirect2dbackingstore.cpp b/src/plugins/platforms/direct2d/qwindowsdirect2dbackingstore.cpp
new file mode 100644
index 0000000000..079ad6f127
--- /dev/null
+++ b/src/plugins/platforms/direct2d/qwindowsdirect2dbackingstore.cpp
@@ -0,0 +1,103 @@
+/****************************************************************************
+**
+** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
+** Contact: http://www.qt-project.org/legal
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Digia.  For licensing terms and
+** conditions see http://qt.digia.com/licensing.  For further information
+** use the contact form at http://qt.digia.com/contact-us.
+**
+** 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, Digia gives you certain additional
+** rights.  These rights are described in the Digia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3.0 as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU General Public License version 3.0 requirements will be
+** met: http://www.gnu.org/copyleft/gpl.html.
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qwindowsdirect2dbackingstore.h"
+#include "qwindowsdirect2dintegration.h"
+#include "qwindowsdirect2dcontext.h"
+#include "qwindowsdirect2dpaintdevice.h"
+#include "qwindowsdirect2dbitmap.h"
+#include "qwindowsdirect2ddevicecontext.h"
+#include "qwindowsdirect2dwindow.h"
+
+#include "qwindowscontext.h"
+
+#include <QtGui/QWindow>
+#include <QtCore/QDebug>
+
+QT_BEGIN_NAMESPACE
+
+/*!
+    \class QWindowsDirect2DBackingStore
+    \brief Backing store for windows.
+    \internal
+    \ingroup qt-lighthouse-win
+*/
+
+static inline QWindowsDirect2DPlatformPixmap *platformPixmap(QPixmap *p)
+{
+    return static_cast<QWindowsDirect2DPlatformPixmap *>(p->handle());
+}
+
+QWindowsDirect2DBackingStore::QWindowsDirect2DBackingStore(QWindow *window)
+    : QPlatformBackingStore(window)
+{
+}
+
+QWindowsDirect2DBackingStore::~QWindowsDirect2DBackingStore()
+{
+}
+
+QPaintDevice *QWindowsDirect2DBackingStore::paintDevice()
+{
+    return m_pixmap.data();
+}
+
+void QWindowsDirect2DBackingStore::flush(QWindow *window, const QRegion &region, const QPoint &offset)
+{
+    QPlatformWindow *pw = window->handle();
+    if (pw && m_pixmap)
+        static_cast<QWindowsDirect2DWindow *>(pw)->flush(platformPixmap(m_pixmap.data())->bitmap(), region, offset);
+}
+
+void QWindowsDirect2DBackingStore::resize(const QSize &size, const QRegion &region)
+{
+    Q_UNUSED(region);
+
+    QScopedPointer<QPixmap> oldPixmap(m_pixmap.take());
+    m_pixmap.reset(new QPixmap(size.width(), size.height()));
+
+    if (oldPixmap) {
+        foreach (const QRect &rect, region.rects())
+            platformPixmap(m_pixmap.data())->copy(oldPixmap->handle(), rect);
+    }
+}
+
+QT_END_NAMESPACE