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+/****************************************************************************
+**
+** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the examples 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 http://www.qtsoftware.com/contact.
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#ifndef GESTURERECOGNIZERLINJAZAX_H
+#define GESTURERECOGNIZERLINJAZAX_H
+
+#include <QList>
+#include <QPoint>
+#include <QString>
+#include <QGesture>
+#include <QGestureRecognizer>
+
+#include "linjazaxgesture.h"
+
+struct Direction
+{
+    QString direction;
+    QPoint point;
+
+    Direction(QString dir, const QPoint &pt)
+        : direction(dir), point(pt) { }
+    Direction()
+        : direction() { }
+
+    inline bool isEmpty() const { return direction.isEmpty(); }
+    inline bool isNull() const { return direction.isEmpty(); }
+};
+typedef QList<Direction> DirectionList;
+
+class DirectionSimpleRecognizer
+{
+public:
+    DirectionSimpleRecognizer();
+    Direction addPosition(const QPoint &pos);
+    DirectionList getDirections() const;
+    void reset();
+
+private:
+    QPoint lastPoint;
+    DirectionList directions;
+};
+
+class GestureRecognizerLinjaZax : public QGestureRecognizer
+{
+    Q_OBJECT
+public:
+    GestureRecognizerLinjaZax();
+
+    QGestureRecognizer::Result filterEvent(const QEvent *event);
+    QGesture* getGesture();
+
+    void reset();
+
+private:
+    void internalReset();
+
+    QPoint pressedPos;
+    QPoint lastPos;
+    QPoint currentPos;
+    bool mousePressed;
+    bool gestureFinished;
+    QString lastDirections;
+    QString currentDirection;
+    DirectionSimpleRecognizer simpleRecognizer;
+    LinjaZaxGesture::ZoomState zoomState;
+};
+
+#endif