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

**

** Copyright (C) 2010 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 XFORM_H

#define XFORM_H

#include "arthurwidgets.h"

#include <QBasicTimer>

#include <QPolygonF>

class HoverPoints;

QT_FORWARD_DECLARE_CLASS(QLineEdit)

class XFormView : public ArthurFrame

{

public:

    Q_OBJECT

    Q_PROPERTY(XFormType type READ type WRITE setType)

    Q_PROPERTY(bool animation READ animation WRITE setAnimation)

    Q_PROPERTY(qreal shear READ shear WRITE setShear)

    Q_PROPERTY(qreal rotation READ rotation WRITE setRotation)

    Q_PROPERTY(qreal scale READ scale WRITE setScale)

    Q_PROPERTY(QString text READ text WRITE setText)

    Q_PROPERTY(QPixmap pixmap READ pixmap WRITE setPixmap)

    Q_ENUMS(XFormType)

public:

    enum XFormType { VectorType, PixmapType, TextType };

    XFormView(QWidget *parent);

    void paint(QPainter *);

    void drawVectorType(QPainter *painter);

    void drawPixmapType(QPainter *painter);

    void drawTextType(QPainter *painter);

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

    void mousePressEvent(QMouseEvent *e);

    void resizeEvent(QResizeEvent *e);

    HoverPoints *hoverPoints() { return pts; }

    bool animation() const { return timer.isActive(); }

    qreal shear() const { return m_shear; }

    qreal scale() const { return m_scale; }

    qreal rotation() const { return m_rotation; }

    void setShear(qreal s);

    void setScale(qreal s);

    void setRotation(qreal r);

    XFormType type() const;

    QPixmap pixmap() const;

    QString text() const;

public slots:

    void setAnimation(bool animate);

    void updateCtrlPoints(const QPolygonF &);

    void changeRotation(int rotation);

    void changeScale(int scale);

    void changeShear(int shear);

    void setText(const QString &);

    void setPixmap(const QPixmap &);

    void setType(XFormType t);

    void setVectorType();

    void setPixmapType();

    void setTextType();

    void reset();

signals:

    void rotationChanged(int rotation);

    void scaleChanged(int scale);

    void shearChanged(int shear);

protected:

    void timerEvent(QTimerEvent *e);

    void wheelEvent(QWheelEvent *);

private:

    QPolygonF ctrlPoints;

    HoverPoints *pts;

    qreal m_rotation;

    qreal m_scale;

    qreal m_shear;

    XFormType m_type;

    QPixmap m_pixmap;

    QString m_text;

    QBasicTimer timer;

};

class XFormWidget : public QWidget

{

    Q_OBJECT

public:

    XFormWidget(QWidget *parent);

private:

    XFormView *view;

    QLineEdit *textEditor;

};

#endif // XFORM_H