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diff --git a/src/widgets/effects/qpixmapfilter_p.h b/src/widgets/effects/qpixmapfilter_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.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** GNU Lesser General Public License Usage
+** 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.
+**
+** 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.
+**
+** Other Usage
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef QPIXMAPFILTER_H
+#define QPIXMAPFILTER_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/qnamespace.h>
+#include <QtGui/qpixmap.h>
+#include <QtWidgets/qgraphicseffect.h>
+
+#ifndef QT_NO_GRAPHICSEFFECT
+QT_BEGIN_HEADER
+
+QT_BEGIN_NAMESPACE
+
+QT_MODULE(Gui)
+
+class QPainter;
+class QPlatformPixmap;
+
+class QPixmapFilterPrivate;
+
+class Q_WIDGETS_EXPORT QPixmapFilter : public QObject
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QPixmapFilter)
+public:
+    virtual ~QPixmapFilter() = 0;
+
+    enum FilterType {
+        ConvolutionFilter,
+        ColorizeFilter,
+        DropShadowFilter,
+        BlurFilter,
+
+        UserFilter = 1024
+    };
+
+    FilterType type() const;
+
+    virtual QRectF boundingRectFor(const QRectF &rect) const;
+
+    virtual void draw(QPainter *painter, const QPointF &p, const QPixmap &src, const QRectF &srcRect = QRectF()) const = 0;
+
+protected:
+    QPixmapFilter(QPixmapFilterPrivate &d, FilterType type, QObject *parent);
+    QPixmapFilter(FilterType type, QObject *parent);
+};
+
+class QPixmapConvolutionFilterPrivate;
+
+class Q_WIDGETS_EXPORT QPixmapConvolutionFilter : public QPixmapFilter
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QPixmapConvolutionFilter)
+
+public:
+    QPixmapConvolutionFilter(QObject *parent = 0);
+    ~QPixmapConvolutionFilter();
+
+    void setConvolutionKernel(const qreal *matrix, int rows, int columns);
+
+    QRectF boundingRectFor(const QRectF &rect) const;
+    void draw(QPainter *painter, const QPointF &dest, const QPixmap &src, const QRectF &srcRect = QRectF()) const;
+
+private:
+    friend class QGLPixmapConvolutionFilter;
+    friend class QVGPixmapConvolutionFilter;
+    const qreal *convolutionKernel() const;
+    int rows() const;
+    int columns() const;
+};
+
+class QPixmapBlurFilterPrivate;
+
+class Q_WIDGETS_EXPORT QPixmapBlurFilter : public QPixmapFilter
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QPixmapBlurFilter)
+
+public:
+    QPixmapBlurFilter(QObject *parent = 0);
+    ~QPixmapBlurFilter();
+
+    void setRadius(qreal radius);
+    void setBlurHints(QGraphicsBlurEffect::BlurHints hints);
+
+    qreal radius() const;
+    QGraphicsBlurEffect::BlurHints blurHints() const;
+
+    QRectF boundingRectFor(const QRectF &rect) const;
+    void draw(QPainter *painter, const QPointF &dest, const QPixmap &src, const QRectF &srcRect = QRectF()) const;
+
+private:
+    friend class QGLPixmapBlurFilter;
+};
+
+class QPixmapColorizeFilterPrivate;
+
+class Q_WIDGETS_EXPORT QPixmapColorizeFilter : public QPixmapFilter
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QPixmapColorizeFilter)
+
+public:
+    QPixmapColorizeFilter(QObject *parent = 0);
+
+    void setColor(const QColor& color);
+    QColor color() const;
+
+    void setStrength(qreal strength);
+    qreal strength() const;
+
+    void draw(QPainter *painter, const QPointF &dest, const QPixmap &src, const QRectF &srcRect = QRectF()) const;
+};
+
+class QPixmapDropShadowFilterPrivate;
+
+class Q_WIDGETS_EXPORT QPixmapDropShadowFilter : public QPixmapFilter
+{
+    Q_OBJECT
+    Q_DECLARE_PRIVATE(QPixmapDropShadowFilter)
+
+public:
+    QPixmapDropShadowFilter(QObject *parent = 0);
+    ~QPixmapDropShadowFilter();
+
+    QRectF boundingRectFor(const QRectF &rect) const;
+    void draw(QPainter *p, const QPointF &pos, const QPixmap &px, const QRectF &src = QRectF()) const;
+
+    qreal blurRadius() const;
+    void setBlurRadius(qreal radius);
+
+    QColor color() const;
+    void setColor(const QColor &color);
+
+    QPointF offset() const;
+    void setOffset(const QPointF &offset);
+    inline void setOffset(qreal dx, qreal dy) { setOffset(QPointF(dx, dy)); }
+};
+
+QT_END_NAMESPACE
+
+QT_END_HEADER
+
+#endif //QT_NO_GRAPHICSEFFECT
+#endif // QPIXMAPFILTER_H