/****************************************************************************

**

** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).

** All rights reserved.

** Contact: Nokia Corporation (qt-info@nokia.com)

**

** This file is part of the demonstration applications 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 PATHDEFORM_H

#define PATHDEFORM_H

#include "arthurwidgets.h"

#include <QPainterPath>

#include <QBasicTimer>

#include <QDateTime>

class PathDeformRenderer : public ArthurFrame

{

    Q_OBJECT

    Q_PROPERTY(bool animated READ animated WRITE setAnimated)

    Q_PROPERTY(int radius READ radius WRITE setRadius)

    Q_PROPERTY(int fontSize READ fontSize WRITE setFontSize)

    Q_PROPERTY(int intensity READ intensity WRITE setIntensity)

    Q_PROPERTY(QString text READ text WRITE setText)

public:

    PathDeformRenderer(QWidget *widget, bool smallScreen = false);

    void paint(QPainter *painter);

    void mousePressEvent(QMouseEvent *e);

    void mouseReleaseEvent(QMouseEvent *e);

    void mouseMoveEvent(QMouseEvent *e);

    void timerEvent(QTimerEvent *e);

    QSize sizeHint() const { return QSize(600, 500); }

    bool animated() const { return m_animated; }

    int radius() const { return int(m_radius); }

    int fontSize() const { return m_fontSize; }

    int intensity() const { return int(m_intensity); }

    QString text() const { return m_text; }

public slots:

    void setRadius(int radius);

    void setFontSize(int fontSize) { m_fontSize = fontSize; setText(m_text); }

    void setText(const QString &text);

    void setIntensity(int intensity);

    void setAnimated(bool animated);

signals:

    void clicked();

//     void frameRate(double fps);

private:

    void generateLensPixmap();

    QPainterPath lensDeform(const QPainterPath &source, const QPointF &offset);

    QBasicTimer m_repaintTimer;

//     QBasicTimer m_fpsTimer;

//     int m_fpsCounter;

    QTime m_repaintTracker;

    QVector<QPainterPath> m_paths;

    QVector<QPointF> m_advances;

    QRectF m_pathBounds;

    QString m_text;

    QPixmap m_lens_pixmap;

    QImage m_lens_image;

    int m_fontSize;

    bool m_animated;

    qreal m_intensity;

    qreal m_radius;

    QPointF m_pos;

    QPointF m_offset;

    QPointF m_direction;

    QPointF m_mousePress;

    bool    m_mouseDrag;

    bool    m_smallScreen;

};

class PathDeformControls : public QWidget

{

    Q_OBJECT

public:

    PathDeformControls(QWidget *parent, PathDeformRenderer* renderer, bool smallScreen);

signals:

    void okPressed();

    void quitPressed();

private:

    PathDeformRenderer* m_renderer;

    void layoutForDesktop();

    void layoutForSmallScreen();

private slots:

    void emitQuitSignal();

    void emitOkSignal();

};

class PathDeformWidget : public QWidget

{

    Q_OBJECT

public:

    PathDeformWidget(QWidget *parent, bool smallScreen);

    void setStyle ( QStyle * style );

private:

    PathDeformRenderer *m_renderer;

    PathDeformControls *m_controls;

private slots:

    void showControls();

    void hideControls();

};

#endif // PATHDEFORM_H