/****************************************************************************+
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**+
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).+
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** All rights reserved.+
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** Contact: Nokia Corporation (qt-info@nokia.com)+
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**+
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** This file is part of the demonstration applications of the Qt Toolkit.+
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**+
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** $QT_BEGIN_LICENSE:LGPL$+
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** No Commercial Usage+
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** This file contains pre-release code and may not be distributed.+
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** You may use this file in accordance with the terms and conditions+
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** contained in the Technology Preview License Agreement accompanying+
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** this package.+
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**+
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** GNU Lesser General Public License Usage+
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** Alternatively, this file may be used under the terms of the GNU Lesser+
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** General Public License version 2.1 as published by the Free Software+
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** Foundation and appearing in the file LICENSE.LGPL included in the+
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** packaging of this file.  Please review the following information to+
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** ensure the GNU Lesser General Public License version 2.1 requirements+
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.+
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**+
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** In addition, as a special exception, Nokia gives you certain additional+
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** rights.  These rights are described in the Nokia Qt LGPL Exception+
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.+
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**+
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** If you have questions regarding the use of this file, please contact+
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** Nokia at qt-info@nokia.com.+
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**+
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**+
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**+
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**+
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**+
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**+
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**+
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** $QT_END_LICENSE$+
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**+
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****************************************************************************/+
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+
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#ifndef PATHDEFORM_H+
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#define PATHDEFORM_H+
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+
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#include "arthurwidgets.h"+
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+
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#include <QPainterPath>+
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#include <QBasicTimer>+
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#include <QDateTime>+
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+
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class PathDeformRenderer : public ArthurFrame+
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{+
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    Q_OBJECT+
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    Q_PROPERTY(bool animated READ animated WRITE setAnimated)+
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    Q_PROPERTY(int radius READ radius WRITE setRadius)+
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    Q_PROPERTY(int fontSize READ fontSize WRITE setFontSize)+
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    Q_PROPERTY(int intensity READ intensity WRITE setIntensity)+
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    Q_PROPERTY(QString text READ text WRITE setText)+
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+
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public:+
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    PathDeformRenderer(QWidget *widget, bool smallScreen = false);+
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+
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    void paint(QPainter *painter);+
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+
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    void mousePressEvent(QMouseEvent *e);+
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    void mouseReleaseEvent(QMouseEvent *e);+
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    void mouseMoveEvent(QMouseEvent *e);+
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    void timerEvent(QTimerEvent *e);+
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+
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    QSize sizeHint() const { return QSize(600, 500); }+
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+
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    bool animated() const { return m_animated; }+
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    int radius() const { return int(m_radius); }+
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    int fontSize() const { return m_fontSize; }+
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    int intensity() const { return int(m_intensity); }+
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    QString text() const { return m_text; }+
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+
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public slots:+
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    void setRadius(int radius);+
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    void setFontSize(int fontSize) { m_fontSize = fontSize; setText(m_text); }+
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    void setText(const QString &text);+
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    void setIntensity(int intensity);+
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+
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    void setAnimated(bool animated);+
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+
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signals:+
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    void clicked();+
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//     void frameRate(double fps);+
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+
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private:+
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    void generateLensPixmap();+
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    QPainterPath lensDeform(const QPainterPath &source, const QPointF &offset);+
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+
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    QBasicTimer m_repaintTimer;+
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//     QBasicTimer m_fpsTimer;+
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//     int m_fpsCounter;+
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    QTime m_repaintTracker;+
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+
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    QVector<QPainterPath> m_paths;+
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    QVector<QPointF> m_advances;+
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    QRectF m_pathBounds;+
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    QString m_text;+
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+
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    QPixmap m_lens_pixmap;+
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    QImage m_lens_image;+
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+
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    int m_fontSize;+
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    bool m_animated;+
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+
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    qreal m_intensity;+
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    qreal m_radius;+
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    QPointF m_pos;+
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    QPointF m_offset;+
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    QPointF m_direction;+
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    QPointF m_mousePress;+
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    bool    m_mouseDrag;+
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    bool    m_smallScreen;+
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};+
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+
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class PathDeformControls : public QWidget+
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{+
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    Q_OBJECT+
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public:+
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    PathDeformControls(QWidget *parent, PathDeformRenderer* renderer, bool smallScreen);+
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signals:+
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    void okPressed();+
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    void quitPressed();+
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private:+
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    PathDeformRenderer* m_renderer;+
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    void layoutForDesktop();+
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    void layoutForSmallScreen();+
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private slots:+
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    void emitQuitSignal();+
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    void emitOkSignal();+
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};+
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+
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class PathDeformWidget : public QWidget+
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{+
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    Q_OBJECT+
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public:+
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    PathDeformWidget(QWidget *parent, bool smallScreen);+
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    void setStyle ( QStyle * style );+
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+
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private:+
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    PathDeformRenderer *m_renderer;+
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    PathDeformControls *m_controls;+
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+
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private slots:+
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    void showControls();+
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    void hideControls();+
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};+
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+
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#endif // PATHDEFORM_H+
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