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 : 2008-02-27 00022 ** Authors : 00023 ** Marc Wathelet 00024 ** Marc Wathelet (LGIT, Grenoble, France) 00025 ** 00026 ***************************************************************************/ 00027 00028 #ifndef LAYERLOCKER_H 00029 #define LAYERLOCKER_H 00030 00031 #include "GraphContentLayer.h" 00032 #include "SciFigsDLLExport.h" 00033 00034 namespace SciFigs { 00035 00036 00037 class SCIFIGS_EXPORT LayerLocker 00038 { 00039 public: 00040 inline LayerLocker(GraphContentLayer * layer); 00041 inline ~LayerLocker(); 00042 00043 inline void unlock(); 00044 private: 00045 GraphContentLayer * _layer; 00046 }; 00047 00048 inline LayerLocker::LayerLocker(GraphContentLayer * layer) : _layer(layer) 00049 { 00050 if(_layer) _layer->lockDelayPainting(); 00051 } 00052 00053 inline LayerLocker::~LayerLocker() 00054 { 00055 if(_layer) _layer->unlock(); 00056 } 00057 00058 inline void LayerLocker::unlock() 00059 { 00060 if(_layer) { 00061 _layer->unlock(); 00062 _layer=0; 00063 } 00064 } 00065 00066 } // namespace SciFigs 00067 00068 #endif // LAYERLOCKER_H
