00001 /**************************************************************************** 00002 ** 00003 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). 00004 ** Contact: Nokia Corporation (qt-info@nokia.com) 00005 ** 00006 ** This file is part of the examples of the Qt Toolkit. 00007 ** 00008 ** $QT_BEGIN_LICENSE:LGPL$ 00009 ** Commercial Usage 00010 ** Licensees holding valid Qt Commercial licenses may use this file in 00011 ** accordance with the Qt Commercial License Agreement provided with the 00012 ** Software or, alternatively, in accordance with the terms contained in 00013 ** a written agreement between you and Nokia. 00014 ** 00015 ** GNU Lesser General Public License Usage 00016 ** Alternatively, this file may be used under the terms of the GNU Lesser 00017 ** General Public License version 2.1 as published by the Free Software 00018 ** Foundation and appearing in the file LICENSE.LGPL included in the 00019 ** packaging of this file. Please review the following information to 00020 ** ensure the GNU Lesser General Public License version 2.1 requirements 00021 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. 00022 ** 00023 ** In addition, as a special exception, Nokia gives you certain 00024 ** additional rights. These rights are described in the Nokia Qt LGPL 00025 ** Exception version 1.0, included in the file LGPL_EXCEPTION.txt in this 00026 ** package. 00027 ** 00028 ** GNU General Public License Usage 00029 ** Alternatively, this file may be used under the terms of the GNU 00030 ** General Public License version 3.0 as published by the Free Software 00031 ** Foundation and appearing in the file LICENSE.GPL included in the 00032 ** packaging of this file. Please review the following information to 00033 ** ensure the GNU General Public License version 3.0 requirements will be 00034 ** met: http://www.gnu.org/copyleft/gpl.html. 00035 ** 00036 ** If you are unsure which license is appropriate for your use, please 00037 ** contact the sales department at http://www.qtsoftware.com/contact. 00038 ** $QT_END_LICENSE$ 00039 ** 00040 ****************************************************************************/ 00041 00042 #ifndef RENDERTHREAD_H 00043 #define RENDERTHREAD_H 00044 00045 #include <QMutex> 00046 #include <QSize> 00047 #include <QThread> 00048 #include <QWaitCondition> 00049 00050 QT_BEGIN_NAMESPACE 00051 class QImage; 00052 QT_END_NAMESPACE 00053 00055 class RenderThread : public QThread 00056 { 00057 Q_OBJECT 00058 00059 public: 00060 RenderThread(QObject *parent = 0); 00061 ~RenderThread(); 00062 00063 void render(double centerX, double centerY, double scaleFactor, 00064 QSize resultSize); 00065 00066 signals: 00067 void renderedImage(const QImage &image, double scaleFactor); 00068 00069 protected: 00070 void run(); 00071 00072 private: 00073 uint rgbFromWaveLength(double wave); 00074 00075 QMutex mutex; 00076 QWaitCondition condition; 00077 double centerX; 00078 double centerY; 00079 double scaleFactor; 00080 QSize resultSize; 00081 bool restart; 00082 bool abort; 00083 00084 enum { ColormapSize = 512 }; 00085 uint colormap[ColormapSize]; 00086 }; 00088 00089 #endif