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diff --git a/src/gui/effects/qgraphicseffect.h b/src/gui/effects/qgraphicseffect.h
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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Qt Software Information (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 either Technology Preview License Agreement or the
+** Beta Release License Agreement.
+**
+** 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 1.0, 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.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at qt-sales@nokia.com.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QGRAPHICSEFFECT_H
+#define QGRAPHICSEFFECT_H
+
+#include <QtCore/qobject.h>
+#include <QtCore/qpoint.h>
+#include <QtCore/qrect.h>
+#include <QtGui/qcolor.h>
+
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+class QGraphicsItem;
+class QStyleOption;
+class QPainter;
+class QPixmap;
+
+class QGraphicsEffectSourcePrivate;
+class Q_GUI_EXPORT QGraphicsEffectSource : public QObject
+{
+    Q_OBJECT
+public:
+    ~QGraphicsEffectSource();
+    const QGraphicsItem *graphicsItem() const;
+    const QWidget *widget() const;
+    const QStyleOption *styleOption() const;
+
+    bool isPixmap() const;
+    void draw(QPainter *painter);
+    void update();
+
+    QRectF boundingRect(Qt::CoordinateSystem coordinateSystem = Qt::LogicalCoordinates) const;
+    QRect deviceRect() const;
+    QPixmap pixmap(Qt::CoordinateSystem system = Qt::LogicalCoordinates, QPoint *offset = 0) const;
+
+protected:
+    QGraphicsEffectSource(QGraphicsEffectSourcePrivate &dd, QObject *parent = 0);
+
+private:
+    Q_DECLARE_PRIVATE(QGraphicsEffectSource);
+    Q_DISABLE_COPY(QGraphicsEffectSource);
+    friend class QGraphicsEffect;
+    friend class QGraphicsEffectPrivate;
+    friend class QGraphicsScenePrivate;
+    friend class QGraphicsItem;
+    friend class QWidget;
+    friend class QWidgetPrivate;
+};
+
+class QGraphicsEffectPrivate;
+class Q_GUI_EXPORT QGraphicsEffect : public QObject
+{
+    Q_OBJECT
+    Q_FLAGS(ChangeFlags)
+    Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled NOTIFY enabledChanged)
+public:
+    enum ChangeFlag {
+        SourceAttached = 0x1,
+        SourceDetached = 0x2,
+        SourceBoundingRectChanged = 0x4,
+        SourceInvalidated = 0x8
+    };
+    Q_DECLARE_FLAGS(ChangeFlags, ChangeFlag);
+
+    QGraphicsEffect(QObject *parent = 0);
+    virtual ~QGraphicsEffect();
+
+    virtual QRectF boundingRectFor(const QRectF &rect) const;
+    QRectF boundingRect() const;
+
+    QGraphicsEffectSource *source() const;
+
+    bool isEnabled() const;
+
+public Q_SLOTS:
+    void setEnabled(bool enable);
+    // ### add update() slot
+
+Q_SIGNALS:
+    void enabledChanged(bool enabled);
+
+protected:
+    QGraphicsEffect(QGraphicsEffectPrivate &d, QObject *parent = 0);
+    virtual void draw(QPainter *painter, QGraphicsEffectSource *source) = 0;
+    virtual void sourceChanged(ChangeFlags flags);
+    void updateBoundingRect();
+
+private:
+    Q_DECLARE_PRIVATE(QGraphicsEffect)
+    Q_DISABLE_COPY(QGraphicsEffect)
+    friend class QGraphicsItem;
+    friend class QGraphicsItemPrivate;
+    friend class QGraphicsScenePrivate;
+    friend class QWidget;
+    friend class QWidgetPrivate;
+};
+Q_DECLARE_OPERATORS_FOR_FLAGS(QGraphicsEffect::ChangeFlags);
+
+class QGraphicsGrayscaleEffectPrivate;
+class Q_GUI_EXPORT QGraphicsGrayscaleEffect: public QGraphicsEffect
+{
+    Q_OBJECT
+public:
+    QGraphicsGrayscaleEffect(QObject *parent = 0);
+    ~QGraphicsGrayscaleEffect();
+
+protected:
+    void draw(QPainter *painter, QGraphicsEffectSource *source);
+
+private:
+    Q_DECLARE_PRIVATE(QGraphicsGrayscaleEffect)
+    Q_DISABLE_COPY(QGraphicsGrayscaleEffect)
+};
+
+class QGraphicsColorizeEffectPrivate;
+class Q_GUI_EXPORT QGraphicsColorizeEffect: public QGraphicsEffect
+{
+    Q_OBJECT
+    Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged)
+public:
+    QGraphicsColorizeEffect(QObject *parent = 0);
+    ~QGraphicsColorizeEffect();
+
+    QColor color() const;
+
+public Q_SLOTS:
+    void setColor(const QColor &c);
+
+Q_SIGNALS:
+    void colorChanged(const QColor &color);
+
+protected:
+    void draw(QPainter *painter, QGraphicsEffectSource *source);
+
+private:
+    Q_DECLARE_PRIVATE(QGraphicsColorizeEffect)
+    Q_DISABLE_COPY(QGraphicsColorizeEffect)
+};
+
+class QGraphicsPixelizeEffectPrivate;
+class Q_GUI_EXPORT QGraphicsPixelizeEffect: public QGraphicsEffect
+{
+    Q_OBJECT
+    Q_PROPERTY(int pixelSize READ pixelSize WRITE setPixelSize NOTIFY pixelSizeChanged)
+public:
+    QGraphicsPixelizeEffect(QObject *parent = 0);
+    ~QGraphicsPixelizeEffect();
+
+    int pixelSize() const;
+
+public Q_SLOTS:
+    void setPixelSize(int pixelSize);
+
+Q_SIGNALS:
+    void pixelSizeChanged(int pixelSize);
+
+protected:
+    void draw(QPainter *painter, QGraphicsEffectSource *source);
+
+private:
+    Q_DECLARE_PRIVATE(QGraphicsPixelizeEffect)
+    Q_DISABLE_COPY(QGraphicsPixelizeEffect)
+};
+
+class QGraphicsBlurEffectPrivate;
+class Q_GUI_EXPORT QGraphicsBlurEffect: public QGraphicsEffect
+{
+    Q_OBJECT
+    Q_PROPERTY(int blurRadius READ blurRadius WRITE setBlurRadius NOTIFY blurRadiusChanged)
+public:
+    QGraphicsBlurEffect(QObject *parent = 0);
+    ~QGraphicsBlurEffect();
+
+    QRectF boundingRectFor(const QRectF &rect) const;
+    int blurRadius() const;
+
+public Q_SLOTS:
+    void setBlurRadius(int blurRadius);
+
+Q_SIGNALS:
+    void blurRadiusChanged(int blurRadius);
+
+protected:
+    void draw(QPainter *painter, QGraphicsEffectSource *source);
+
+private:
+    Q_DECLARE_PRIVATE(QGraphicsBlurEffect)
+    Q_DISABLE_COPY(QGraphicsBlurEffect)
+};
+
+class QGraphicsDropShadowEffectPrivate;
+class Q_GUI_EXPORT QGraphicsDropShadowEffect: public QGraphicsEffect
+{
+    Q_OBJECT
+    Q_PROPERTY(QPointF offset READ offset WRITE setOffset NOTIFY offsetChanged)
+    Q_PROPERTY(int blurRadius READ blurRadius WRITE setBlurRadius NOTIFY blurRadiusChanged)
+    Q_PROPERTY(QColor color READ color WRITE setColor NOTIFY colorChanged)
+public:
+    QGraphicsDropShadowEffect(QObject *parent = 0);
+    ~QGraphicsDropShadowEffect();
+
+    QRectF boundingRectFor(const QRectF &rect) const;
+    QPointF offset() const;
+    int blurRadius() const;
+    QColor color() const;
+
+public Q_SLOTS:
+    void setOffset(const QPointF &ofs);
+    inline void setOffset(qreal dx, qreal dy)
+    { setOffset(QPointF(dx, dy)); }
+    inline void setOffset(qreal d)
+    { setOffset(QPointF(d, d)); }
+    void setBlurRadius(int blurRadius);
+    void setColor(const QColor &color);
+
+Q_SIGNALS:
+    void offsetChanged(const QPointF &offset);
+    void blurRadiusChanged(int blurRadius);
+    void colorChanged(const QColor &color);
+
+protected:
+    void draw(QPainter *painter, QGraphicsEffectSource *source);
+
+private:
+    Q_DECLARE_PRIVATE(QGraphicsDropShadowEffect)
+    Q_DISABLE_COPY(QGraphicsDropShadowEffect)
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif // QGRAPHICSEFFECT_H
+