Home · All Classes · All Functions · Overviews

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

 /****************************************************************************
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
 ** All rights reserved.
 ** Contact: Nokia Corporation ([email protected])
 **
 ** This file is part of the examples of the Qt Toolkit.
 **
 ** $QT_BEGIN_LICENSE:LGPL$
 ** Commercial Usage
 ** Licensees holding valid Qt Commercial licenses may use this file in
 ** accordance with the Qt Commercial License Agreement provided with the
 ** Software or, alternatively, in accordance with the terms contained in
 ** a written agreement between you and Nokia.
 **
 ** GNU Lesser General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU Lesser
 ** General Public License version 2.1 as published by the Free Software
 ** Foundation and appearing in the file LICENSE.LGPL included in the
 ** packaging of this file.  Please review the following information to
 ** ensure the GNU Lesser General Public License version 2.1 requirements
 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
 **
 ** In addition, as a special exception, Nokia gives you certain additional
 ** rights.  These rights are described in the Nokia Qt LGPL Exception
 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
 **
 ** GNU General Public License Usage
 ** Alternatively, this file may be used under the terms of the GNU
 ** General Public License version 3.0 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 the GNU General Public License version 3.0 requirements will be
 ** met: http://www.gnu.org/copyleft/gpl.html.
 **
 ** If you have questions regarding the use of this file, please contact
 ** Nokia at [email protected].
 ** $QT_END_LICENSE$
 **
 ****************************************************************************/

 #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


Copyright © 2009 Nokia Corporation and/or its subsidiary(-ies) Trademarks
Qt 4.6.0