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/****************************************************************************
**
** Copyright (C) 2004-2008 Nokia Corporation and/or its subsidiary(-ies). All rights reserved.
**
** This file is part of the documentation of the Qt Toolkit.
**
** Licensees holding a valid Qt License Agreement may use this file in
** accordance with the rights, responsibilities and obligations
** contained therein. Please consult your licensing agreement or
** contact [email protected] if any conditions of this licensing
** agreement are not clear to you.
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** Further information about Qt licensing is available at:
** http://trolltech.com/products/appdev/licensing.
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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 MANDELBROTWIDGET_H
#define MANDELBROTWIDGET_H
#include <QPixmap>
#include <QWidget>
#include "renderthread.h"
class MandelbrotWidget : public QWidget
{
Q_OBJECT
public:
MandelbrotWidget(QWidget *parent = 0);
protected:
void paintEvent(QPaintEvent *event);
void resizeEvent(QResizeEvent *event);
void keyPressEvent(QKeyEvent *event);
void wheelEvent(QWheelEvent *event);
void mousePressEvent(QMouseEvent *event);
void mouseMoveEvent(QMouseEvent *event);
void mouseReleaseEvent(QMouseEvent *event);
private slots:
void updatePixmap(const QImage &image, double scaleFactor);
private:
void zoom(double zoomFactor);
void scroll(int deltaX, int deltaY);
RenderThread thread;
QPixmap pixmap;
QPoint pixmapOffset;
QPoint lastDragPos;
double centerX;
double centerY;
double pixmapScale;
double curScale;
};
#endif
Copyright © 2008 Nokia Corporation and/or its subsidiary(-ies) | Trademarks | Qt 4.4.3 |