renderthread.h Example File
threads/mandelbrot/renderthread.h
/****************************************************************************
**
** Copyright (C) 2004-2006 Trolltech ASA. All rights reserved.
**
** This file is part of the example classes of the Qt Toolkit.
**
** Licensees holding valid Qt Preview licenses may use this file in
** accordance with the Qt Preview License Agreement provided with the
** Software.
**
** See http://www.trolltech.com/pricing.html or email sales@trolltech.com for
** information about Qt Commercial License Agreements.
**
** Contact info@trolltech.com if any conditions of this licensing are
** not clear to you.
**
** 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 RENDERTHREAD_H
#define RENDERTHREAD_H
#include <QMutex>
#include <QSize>
#include <QThread>
#include <QWaitCondition>
class QImage;
class RenderThread : public QThread
{
Q_OBJECT
public:
RenderThread(QObject *parent = 0);
~RenderThread();
void render(double centerX, double centerY, double scaleFactor,
QSize resultSize);
signals:
void renderedImage(const QImage &image, double scaleFactor);
protected:
void run();
private:
uint rgbFromWaveLength(double wave);
QMutex mutex;
QWaitCondition condition;
double centerX;
double centerY;
double scaleFactor;
QSize resultSize;
bool restart;
bool abort;
enum { ColormapSize = 512 };
uint colormap[ColormapSize];
};
#endif