4c8440de8f
git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@190 fdac6126-5c0c-442c-9429-916003d36597
295 lines
9.5 KiB
C++
295 lines
9.5 KiB
C++
/*===========================================================================*\
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* *
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* OpenMesh *
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* Copyright (C) 2001-2009 by Computer Graphics Group, RWTH Aachen *
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* www.openmesh.org *
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* *
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*---------------------------------------------------------------------------*
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* This file is part of OpenMesh. *
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* *
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* OpenMesh is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License as *
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* published by the Free Software Foundation, either version 3 of *
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* the License, or (at your option) any later version with the *
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* following exceptions: *
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* *
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* If other files instantiate templates or use macros *
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* or inline functions from this file, or you compile this file and *
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* link it with other files to produce an executable, this file does *
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* not by itself cause the resulting executable to be covered by the *
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* GNU Lesser General Public License. This exception does not however *
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* invalidate any other reasons why the executable file might be *
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* covered by the GNU Lesser General Public License. *
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* *
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* OpenMesh is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU LesserGeneral Public *
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* License along with OpenMesh. If not, *
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* see <http://www.gnu.org/licenses/>. *
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* *
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\*===========================================================================*/
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/*===========================================================================*\
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* *
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* $Revision$ *
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* $Date$ *
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* *
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\*===========================================================================*/
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#ifndef OPENMESH_PROPERTYCONTAINER
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#define OPENMESH_PROPERTYCONTAINER
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// Use static casts when not debugging
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#ifdef NDEBUG
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#define OM_FORCE_STATIC_CAST
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#endif
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#include <OpenMesh/Core/Utils/Property.hh>
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//-----------------------------------------------------------------------------
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namespace OpenMesh
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{
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//== FORWARDDECLARATIONS ======================================================
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class BaseKernel;
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//== CLASS DEFINITION =========================================================
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/// A a container for properties.
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class PropertyContainer
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{
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public:
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//-------------------------------------------------- constructor / destructor
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PropertyContainer() {}
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virtual ~PropertyContainer() { std::for_each(properties_.begin(), properties_.end(), Delete()); }
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//------------------------------------------------------------- info / access
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typedef std::vector<BaseProperty*> Properties;
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const Properties& properties() const { return properties_; }
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size_t size() const { return properties_.size(); }
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//--------------------------------------------------------- copy / assignment
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PropertyContainer(const PropertyContainer& _rhs) { operator=(_rhs); }
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PropertyContainer& operator=(const PropertyContainer& _rhs)
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{
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clear();
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properties_ = _rhs.properties_;
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Properties::iterator p_it=properties_.begin(), p_end=properties_.end();
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for (; p_it!=p_end; ++p_it)
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if (*p_it)
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*p_it = (*p_it)->clone();
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return *this;
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}
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//--------------------------------------------------------- manage properties
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template <class T>
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BasePropHandleT<T> add(const T&, const std::string& _name="<unknown>")
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{
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Properties::iterator p_it=properties_.begin(), p_end=properties_.end();
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int idx=0;
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for ( ; p_it!=p_end && *p_it!=NULL; ++p_it, ++idx ) {};
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if (p_it==p_end) properties_.push_back(NULL);
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properties_[idx] = new PropertyT<T>(_name);
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return BasePropHandleT<T>(idx);
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}
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template <class T>
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BasePropHandleT<T> handle(const T&, const std::string& _name) const
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{
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Properties::const_iterator p_it = properties_.begin();
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for (int idx=0; p_it != properties_.end(); ++p_it, ++idx)
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{
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if (*p_it != NULL &&
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(*p_it)->name() == _name //skip deleted properties
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// Skip type check
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#ifndef OM_FORCE_STATIC_CAST
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&& dynamic_cast<PropertyT<T>*>(properties_[idx]) != NULL //check type
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#endif
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)
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{
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return BasePropHandleT<T>(idx);
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}
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}
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return BasePropHandleT<T>();
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}
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BaseProperty* property( const std::string& _name ) const
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{
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Properties::const_iterator p_it = properties_.begin();
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for (int idx=0; p_it != properties_.end(); ++p_it, ++idx)
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{
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if (*p_it != NULL && (*p_it)->name() == _name) //skip deleted properties
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{
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return *p_it;
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}
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}
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return NULL;
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}
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template <class T> PropertyT<T>& property(BasePropHandleT<T> _h)
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{
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assert(_h.idx() >= 0 && _h.idx() < (int)properties_.size());
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assert(properties_[_h.idx()] != NULL);
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#ifdef OM_FORCE_STATIC_CAST
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return *static_cast <PropertyT<T>*> (properties_[_h.idx()]);
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#else
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PropertyT<T>* p = dynamic_cast<PropertyT<T>*>(properties_[_h.idx()]);
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assert(p != NULL);
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return *p;
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#endif
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}
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template <class T> const PropertyT<T>& property(BasePropHandleT<T> _h) const
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{
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assert(_h.idx() >= 0 && _h.idx() < (int)properties_.size());
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assert(properties_[_h.idx()] != NULL);
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#ifdef OM_FORCE_STATIC_CAST
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return *static_cast<PropertyT<T>*>(properties_[_h.idx()]);
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#else
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PropertyT<T>* p = dynamic_cast<PropertyT<T>*>(properties_[_h.idx()]);
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assert(p != NULL);
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return *p;
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#endif
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}
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template <class T> void remove(BasePropHandleT<T> _h)
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{
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assert(_h.idx() >= 0 && _h.idx() < (int)properties_.size());
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delete properties_[_h.idx()];
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properties_[_h.idx()] = NULL;
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}
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void clear()
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{
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// Clear properties vector:
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// Replaced the old version with new one
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// which performs a swap to clear values and
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// deallocate memory.
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// Old version (changed 22.07.09) {
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// std::for_each(properties_.begin(), properties_.end(), Delete());
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// }
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std::for_each(properties_.begin(), properties_.end(), ClearAll());
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}
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//---------------------------------------------------- synchronize properties
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void reserve(size_t _n) const {
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std::for_each(properties_.begin(), properties_.end(), Reserve(_n));
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}
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void resize(size_t _n) const {
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std::for_each(properties_.begin(), properties_.end(), Resize(_n));
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}
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void swap(size_t _i0, size_t _i1) const {
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std::for_each(properties_.begin(), properties_.end(), Swap(_i0, _i1));
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}
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protected: // generic add/get
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size_t _add( BaseProperty* _bp )
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{
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Properties::iterator p_it=properties_.begin(), p_end=properties_.end();
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size_t idx=0;
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for (; p_it!=p_end && *p_it!=NULL; ++p_it, ++idx) {};
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if (p_it==p_end) properties_.push_back(NULL);
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properties_[idx] = _bp;
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return idx;
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}
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BaseProperty& _property( size_t _idx )
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{
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assert( _idx < properties_.size());
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assert( properties_[_idx] != NULL);
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BaseProperty *p = properties_[_idx];
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assert( p != NULL );
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return *p;
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}
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const BaseProperty& _property( size_t _idx ) const
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{
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assert( _idx < properties_.size());
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assert( properties_[_idx] != NULL);
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BaseProperty *p = properties_[_idx];
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assert( p != NULL );
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return *p;
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}
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typedef Properties::iterator iterator;
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typedef Properties::const_iterator const_iterator;
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iterator begin() { return properties_.begin(); }
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iterator end() { return properties_.end(); }
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const_iterator begin() const { return properties_.begin(); }
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const_iterator end() const { return properties_.end(); }
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friend class BaseKernel;
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private:
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//-------------------------------------------------- synchronization functors
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#ifndef DOXY_IGNORE_THIS
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struct Reserve
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{
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Reserve(size_t _n) : n_(_n) {}
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void operator()(BaseProperty* _p) const { if (_p) _p->reserve(n_); }
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size_t n_;
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};
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struct Resize
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{
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Resize(size_t _n) : n_(_n) {}
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void operator()(BaseProperty* _p) const { if (_p) _p->resize(n_); }
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size_t n_;
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};
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struct ClearAll
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{
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ClearAll() {}
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void operator()(BaseProperty* _p) const { if (_p) _p->clear(); }
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};
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struct Swap
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{
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Swap(size_t _i0, size_t _i1) : i0_(_i0), i1_(_i1) {}
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void operator()(BaseProperty* _p) const { if (_p) _p->swap(i0_, i1_); }
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size_t i0_, i1_;
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};
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struct Delete
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{
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Delete() {}
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void operator()(BaseProperty* _p) const { if (_p) delete _p; _p=NULL; }
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};
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#endif
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Properties properties_;
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};
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}//namespace OpenMesh
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#endif//OPENMESH_PROPERTYCONTAINER
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