OpenMesh
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00001 /*===========================================================================*\ 00002 * * 00003 * OpenMesh * 00004 * Copyright (C) 2001-2011 by Computer Graphics Group, RWTH Aachen * 00005 * www.openmesh.org * 00006 * * 00007 *---------------------------------------------------------------------------* 00008 * This file is part of OpenMesh. * 00009 * * 00010 * OpenMesh is free software: you can redistribute it and/or modify * 00011 * it under the terms of the GNU Lesser General Public License as * 00012 * published by the Free Software Foundation, either version 3 of * 00013 * the License, or (at your option) any later version with the * 00014 * following exceptions: * 00015 * * 00016 * If other files instantiate templates or use macros * 00017 * or inline functions from this file, or you compile this file and * 00018 * link it with other files to produce an executable, this file does * 00019 * not by itself cause the resulting executable to be covered by the * 00020 * GNU Lesser General Public License. This exception does not however * 00021 * invalidate any other reasons why the executable file might be * 00022 * covered by the GNU Lesser General Public License. * 00023 * * 00024 * OpenMesh is distributed in the hope that it will be useful, * 00025 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00026 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * 00027 * GNU Lesser General Public License for more details. * 00028 * * 00029 * You should have received a copy of the GNU LesserGeneral Public * 00030 * License along with OpenMesh. If not, * 00031 * see <http://www.gnu.org/licenses/>. * 00032 * * 00033 \*===========================================================================*/ 00034 00035 /*===========================================================================*\ 00036 * * 00037 * $Revision: 362 $ * 00038 * $Date: 2011-01-26 10:21:12 +0100 (Mi, 26 Jan 2011) $ * 00039 * * 00040 \*===========================================================================*/ 00041 00046 //============================================================================= 00047 // 00048 // CLASS ModBaseT 00049 // 00050 //============================================================================= 00051 00052 #ifndef OPENMESH_DECIMATER_MODBASET_HH 00053 #define OPENMESH_DECIMATER_MODBASET_HH 00054 00055 00056 //== INCLUDES ================================================================= 00057 00058 #include <OpenMesh/Core/Utils/Noncopyable.hh> 00059 #include <OpenMesh/Tools/Decimater/CollapseInfoT.hh> 00060 #include <string> 00061 00062 00063 //== NAMESPACE ================================================================ 00064 00065 namespace OpenMesh { 00066 namespace Decimater { 00067 00068 00069 //== FORWARD DECLARATIONS ===================================================== 00070 00071 template <typename Mesh> class DecimaterT; 00072 00073 00074 //== CLASS DEFINITION ========================================================= 00075 00079 template <typename Module> 00080 class ModHandleT : private Utils::Noncopyable 00081 { 00082 public: 00083 00084 typedef ModHandleT<Module> Self; 00085 typedef Module module_type; 00086 00087 public: 00088 00090 ModHandleT() : mod_(NULL) {} 00091 00093 ~ModHandleT() { /* don't delete mod_, since handle is not owner! */ } 00094 00097 bool is_valid() const { return mod_ != NULL; } 00098 00099 private: 00100 00101 #if defined(OM_CC_MSVC) 00102 friend class DecimaterT; 00103 #else 00104 template <typename Mesh> friend class DecimaterT; 00105 #endif 00106 00107 void clear() { mod_ = NULL; } 00108 void init(Module* _m) { mod_ = _m; } 00109 Module* module() { return mod_; } 00110 00111 00112 private: 00113 00114 Module* mod_; 00115 00116 }; 00117 00118 00119 00120 00121 //== CLASS DEFINITION ========================================================= 00122 00123 00124 00127 #define DECIMATER_MODNAME(_mod_name) \ 00128 virtual const std::string& name() const { \ 00129 static std::string _s_modname_(#_mod_name); return _s_modname_; \ 00130 } 00131 00132 00146 #define DECIMATING_MODULE(Classname, DecimaterT, Name) \ 00147 typedef Classname < DecimaterT > Self; \ 00148 typedef OpenMesh::Decimater::ModHandleT< Self > Handle; \ 00149 typedef OpenMesh::Decimater::ModBaseT< DecimaterT > Base; \ 00150 typedef typename Base::Mesh Mesh; \ 00151 typedef typename Base::CollapseInfo CollapseInfo; \ 00152 DECIMATER_MODNAME( Name ) 00153 00154 00155 00156 //== CLASS DEFINITION ========================================================= 00157 00158 00187 template <typename DecimaterType> 00188 class ModBaseT 00189 { 00190 public: 00191 00192 typedef typename DecimaterType::Mesh Mesh; 00193 typedef CollapseInfoT<Mesh> CollapseInfo; 00194 00195 enum { 00196 ILLEGAL_COLLAPSE = -1, 00197 LEGAL_COLLAPSE = 0 00198 }; 00199 00200 protected: 00201 00204 ModBaseT(DecimaterType& _dec, bool _is_binary) 00205 : dec_(_dec), is_binary_(_is_binary) {} 00206 00207 public: 00208 00210 virtual ~ModBaseT() { } 00211 00213 DECIMATER_MODNAME(ModBase); 00214 00215 00217 bool is_binary(void) const { return is_binary_; } 00218 00220 void set_binary(bool _b) { is_binary_ = _b; } 00221 00222 00223 public: // common interface 00224 00226 virtual void initialize() { } 00227 00242 virtual float collapse_priority(const CollapseInfoT<Mesh>& /* _ci */) 00243 { return LEGAL_COLLAPSE; } 00244 00248 virtual void postprocess_collapse(const CollapseInfoT<Mesh>& /* _ci */) 00249 {} 00250 00251 00252 00253 protected: 00254 00256 Mesh& mesh() { return dec_.mesh(); } 00257 00258 private: 00259 00260 // hide copy constructor & assignemnt 00261 ModBaseT(const ModBaseT& _cpy); 00262 ModBaseT& operator=(const ModBaseT& ); 00263 00264 // reference to decimater 00265 DecimaterType &dec_; 00266 00267 bool is_binary_; 00268 }; 00269 00270 00271 //============================================================================= 00272 } // namespace Decimater 00273 } // namespace OpenMesh 00274 //============================================================================= 00275 #endif // OPENMESH_DECIMATER_MODBASE_HH defined 00276 //============================================================================= 00277