OpenNI 1.5.4: XnDerivedCast.h Source File

00001 /****************************************************************************
00002 *                                                                           *
00003 *  OpenNI 1.x Alpha                                                         *
00004 *  Copyright (C) 2011 PrimeSense Ltd.                                       *
00005 *                                                                           *
00006 *  This file is part of OpenNI.                                             *
00007 *                                                                           *
00008 *  OpenNI is free software: you can redistribute it and/or modify           *
00009 *  it under the terms of the GNU Lesser General Public License as published *
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00012 *                                                                           *
00013 *  OpenNI is distributed in the hope that it will be useful,                *
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00015 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the             *
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00017 *                                                                           *
00018 *  You should have received a copy of the GNU Lesser General Public License *
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00020 *                                                                           *
00021 ****************************************************************************/
00022 /****************************************************************************
00023 *                                                                           *
00024 *  OpenNI 1.1 Alpha                                                         *
00025 *  Copyright (C) 2011 PrimeSense Ltd.                                       *
00026 *                                                                           *
00027 *  This file is part of OpenNI.                                             *
00028 *                                                                           *
00029 *  OpenNI is free software: you can redistribute it and/or modify           *
00030 *  it under the terms of the GNU Lesser General Public License as published *
00031 *  by the Free Software Foundation, either version 3 of the License, or     *
00032 *  (at your option) any later version.                                      *
00033 *                                                                           *
00034 *  OpenNI is distributed in the hope that it will be useful,                *
00035 *  but WITHOUT ANY WARRANTY; without even the implied warranty of           *
00036 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the             *
00037 *  GNU Lesser General Public License for more details.                      *
00038 *                                                                           *
00039 *  You should have received a copy of the GNU Lesser General Public License *
00040 *  along with OpenNI. If not, see <http://www.gnu.org/licenses/>.           *
00041 *                                                                           *
00042 ****************************************************************************/\
00043 
00044 #ifndef __XN_DERIVED_CAST_H__
00045 #define __XN_DERIVED_CAST_H__
00046 
00047 // derived_cast Acts as dynamic_cast without the need for RTTI. used in platforms that not implement RTTI well like Linux-Arm.
00048 template<class T>
00049 static T derived_cast(ModuleProductionNode* pPrdNode);
00050 
00051 #define DERIVED_CAST_IMPL(T, enm)                           \
00052     template<>                                  \
00053     T* derived_cast<T*>(ModuleProductionNode* pPrdNode)             \
00054     {                                       \
00055         return (T*)pPrdNode->m_aInterfaces[enm];                \
00056     }
00057 
00058 DERIVED_CAST_IMPL(ModuleDevice, XN_NODE_TYPE_DEVICE)
00059 DERIVED_CAST_IMPL(ModuleRecorder, XN_NODE_TYPE_RECORDER)
00060 DERIVED_CAST_IMPL(ModulePlayer, XN_NODE_TYPE_PLAYER)
00061 DERIVED_CAST_IMPL(ModuleCodec, XN_NODE_TYPE_CODEC)
00062 DERIVED_CAST_IMPL(ModuleScriptNode, XN_NODE_TYPE_SCRIPT)
00063 DERIVED_CAST_IMPL(ModuleGenerator, XN_NODE_TYPE_GENERATOR)
00064 DERIVED_CAST_IMPL(ModuleUserGenerator, XN_NODE_TYPE_USER)
00065 DERIVED_CAST_IMPL(ModuleHandsGenerator, XN_NODE_TYPE_HANDS)
00066 DERIVED_CAST_IMPL(ModuleGestureGenerator, XN_NODE_TYPE_GESTURE)
00067 DERIVED_CAST_IMPL(ModuleAudioGenerator, XN_NODE_TYPE_AUDIO)
00068 DERIVED_CAST_IMPL(ModuleMapGenerator, XN_NODE_TYPE_MAP_GENERATOR)
00069 DERIVED_CAST_IMPL(ModuleDepthGenerator, XN_NODE_TYPE_DEPTH)
00070 DERIVED_CAST_IMPL(ModuleImageGenerator, XN_NODE_TYPE_IMAGE)
00071 DERIVED_CAST_IMPL(ModuleIRGenerator, XN_NODE_TYPE_IR)
00072 DERIVED_CAST_IMPL(ModuleSceneAnalyzer, XN_NODE_TYPE_SCENE)
00073 
00074 #ifdef dynamic_cast
00075 #undef dynamic_cast
00076 #endif
00077 
00078 #define dynamic_cast derived_cast
00079 
00080 #endif