/****************************************************************************
 **
 ** Copyright (C) 2005-2007 Trolltech ASA. All rights reserved.
 **
 ** This file is part of the demonstration applications of the Qt Toolkit.
 **
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 ** License version 2.0 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 GNU
 ** General Public Licensing requirements will be met:
 ** http://trolltech.com/products/qt/licenses/licensing/opensource/
 **
 ** If you are unsure which license is appropriate for your use, please
 ** review the following information:
 ** http://trolltech.com/products/qt/licenses/licensing/licensingoverview
 ** or contact the sales department at sales@trolltech.com.
 **
 ** In addition, as a special exception, Trolltech gives you certain
 ** additional rights. These rights are described in the Trolltech GPL
 ** Exception version 1.0, which can be found at
 ** http://www.trolltech.com/products/qt/gplexception/ and in the file
 ** GPL_EXCEPTION.txt in this package.
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 ** In addition, as a special exception, Trolltech, as the sole copyright
 ** holder for Qt Designer, grants users of the Qt/Eclipse Integration
 ** plug-in the right for the Qt/Eclipse Integration to link to
 ** functionality provided by Qt Designer and its related libraries.
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 ** Trolltech reserves all rights not expressly granted herein.
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 ** Trolltech ASA (c) 2007
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 ** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
 ** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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 ****************************************************************************/
 
 #ifndef XFORM_H
 #define XFORM_H
 
 #include "arthurwidgets.h"
 
 #include <QBasicTimer>
 #include <QPolygonF>
 
 class HoverPoints;
 class QLineEdit;
 
 class XFormView : public ArthurFrame
 {
     Q_OBJECT
 
     Q_PROPERTY(bool animation READ animation WRITE setAnimation)
     Q_PROPERTY(double shear READ shear WRITE setShear)
     Q_PROPERTY(double rotation READ rotation WRITE setRotation)
     Q_PROPERTY(double scale READ scale WRITE setScale)
 
 public:
     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; }
 
     QLineEdit *textEditor;
 
     bool animation() const { return timer.isActive(); }
     double shear() const { return m_shear; }
     double scale() const { return m_scale; }
     double rotation() const { return m_rotation; }
     void setShear(double s);
     void setScale(double s);
     void setRotation(double r);
 
 public slots:
     void setAnimation(bool animate);
     void updateCtrlPoints(const QPolygonF &);
     void changeRotation(int rotation);
     void changeScale(int scale);
     void changeShear(int shear);
 
     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:
     enum XFormType { VectorType, PixmapType, TextType };
 
     QPolygonF ctrlPoints;
     HoverPoints *pts;
     double m_rotation;
     double m_scale;
     double m_shear;
     XFormType type;
     QPixmap pixmap;
     QBasicTimer timer;
 };
 
 class XFormWidget : public QWidget
 {
     Q_OBJECT
 public:
     XFormWidget(QWidget *parent);
 
 private:
     XFormView *view;
 };
 
 #endif // XFORM_H