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<pre> /****************************************************************************
**
** Copyright (C) 2005-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the demonstration applications of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** 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:<span class="comment">//www.trolltech.com/products/qt/opensource.html</span>
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
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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.
**
****************************************************************************/
#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 <span class="comment">// XFORM_H</span></pre>
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