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diff --git a/src/gui/image/qimage_p.h b/src/gui/image/qimage_p.h
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+/****************************************************************************
+**
+** Copyright (C) 2011 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.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QIMAGE_P_H
+#define QIMAGE_P_H
+
+//
+//  W A R N I N G
+//  -------------
+//
+// This file is not part of the Qt API.  It exists purely as an
+// implementation detail.  This header file may change from version to
+// version without notice, or even be removed.
+//
+// We mean it.
+//
+
+#include <QtCore/qglobal.h>
+
+#include <QVector>
+
+#ifndef QT_NO_IMAGE_TEXT
+#include <QMap>
+#endif
+
+QT_BEGIN_NAMESPACE
+
+class QImageWriter;
+
+struct Q_GUI_EXPORT QImageData {        // internal image data
+    QImageData();
+    ~QImageData();
+    static QImageData *create(const QSize &size, QImage::Format format, int numColors = 0);
+    static QImageData *create(uchar *data, int w, int h,  int bpl, QImage::Format format, bool readOnly);
+
+    QAtomicInt ref;
+
+    int width;
+    int height;
+    int depth;
+    int nbytes;               // number of bytes data
+    QVector<QRgb> colortable;
+    uchar *data;
+#ifdef QT3_SUPPORT
+    uchar **jumptable;
+#endif
+    QImage::Format format;
+    int bytes_per_line;
+    int ser_no;               // serial number
+    int detach_no;
+
+    qreal  dpmx;                // dots per meter X (or 0)
+    qreal  dpmy;                // dots per meter Y (or 0)
+    QPoint  offset;           // offset in pixels
+
+    uint own_data : 1;
+    uint ro_data : 1;
+    uint has_alpha_clut : 1;
+    uint is_cached : 1;
+
+    bool checkForAlphaPixels() const;
+
+    // Convert the image in-place, minimizing memory reallocation
+    // Return false if the conversion cannot be done in-place.
+    bool convertInPlace(QImage::Format newFormat, Qt::ImageConversionFlags);
+
+#ifndef QT_NO_IMAGE_TEXT
+    QMap<QString, QString> text;
+#endif
+    bool doImageIO(const QImage *image, QImageWriter* io, int quality) const;
+
+    QPaintEngine *paintEngine;
+};
+
+void qInitImageConversions();
+Q_GUI_EXPORT void qGamma_correct_back_to_linear_cs(QImage *image);
+
+inline int qt_depthForFormat(QImage::Format format)
+{
+    int depth = 0;
+    switch(format) {
+    case QImage::Format_Invalid:
+    case QImage::NImageFormats:
+        Q_ASSERT(false);
+    case QImage::Format_Mono:
+    case QImage::Format_MonoLSB:
+        depth = 1;
+        break;
+    case QImage::Format_Indexed8:
+        depth = 8;
+        break;
+    case QImage::Format_RGB32:
+    case QImage::Format_ARGB32:
+    case QImage::Format_ARGB32_Premultiplied:
+        depth = 32;
+        break;
+    case QImage::Format_RGB555:
+    case QImage::Format_RGB16:
+    case QImage::Format_RGB444:
+    case QImage::Format_ARGB4444_Premultiplied:
+        depth = 16;
+        break;
+    case QImage::Format_RGB666:
+    case QImage::Format_ARGB6666_Premultiplied:
+    case QImage::Format_ARGB8565_Premultiplied:
+    case QImage::Format_ARGB8555_Premultiplied:
+    case QImage::Format_RGB888:
+        depth = 24;
+        break;
+    }
+    return depth;
+}
+
+QT_END_NAMESPACE
+
+#endif