00001 /*************************************************************************** 00002 ** 00003 ** This file is part of SciFigs. 00004 ** 00005 ** This library is free software; you can redistribute it and/or 00006 ** modify it under the terms of the GNU Lesser General Public 00007 ** License as published by the Free Software Foundation; either 00008 ** version 2.1 of the License, or (at your option) any later version. 00009 ** 00010 ** This file is distributed in the hope that it will be useful, but WITHOUT 00011 ** ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 00012 ** FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public 00013 ** License for more details. 00014 ** 00015 ** You should have received a copy of the GNU Lesser General Public 00016 ** License along with this library; if not, write to the Free Software 00017 ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 00018 ** 00019 ** See http://www.geopsy.org for more information. 00020 ** 00021 ** Created : 2008-02-12 00022 ** Authors : 00023 ** Marc Wathelet 00024 ** Marc Wathelet (LGIT, Grenoble, France) 00025 ** 00026 ***************************************************************************/ 00027 00028 #ifndef LAYERPAINTER_H 00029 #define LAYERPAINTER_H 00030 00031 #include "LayerPainterRequest.h" 00032 00033 namespace SciFigs { 00034 00035 class LayerPainterThread; 00036 00037 class LayerPainter : public QObject 00038 { 00039 Q_OBJECT 00040 public: 00041 LayerPainter(); 00042 ~LayerPainter(); 00043 00044 void clear( GraphContent * gc); 00045 int terminate(GraphContent * gc); 00046 void paint(LayerPainterRequest * r); 00047 private: 00048 friend class LayerPainterThread; 00049 00050 QList<LayerPainterThread *> _threads; 00051 QQueue<LayerPainterRequest *> _queue; 00052 QMutex _queueMutex; 00053 QMutex _waitMutex; 00054 QWaitCondition _paintEvent; 00055 QWaitCondition _paintTerminateEvent; 00056 }; 00057 00058 } // namespace SciFigs 00059 00060 #endif // LAYERPAINTER_H
