Home · All Namespaces · All Classes · Main Classes · Grouped Classes · Modules · Functions

renderthread.h Example File
threads/mandelbrot/renderthread.h

 /****************************************************************************
 **
 ** 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.
 **
 ** Further information about Qt licensing is available at:
 ** http://trolltech.com/products/appdev/licensing.
 **
 ** 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