88 lines
3.3 KiB
C++
88 lines
3.3 KiB
C++
/****************************************************************************
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* VCGLib o o *
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* Visual and Computer Graphics Library o o *
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* _ O _ *
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* Copyright(C) 2004 \/)\/ *
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* Visual Computing Lab /\/| *
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* ISTI - Italian National Research Council | *
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* \ *
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* All rights reserved. *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 2 of the License, or *
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* (at your option) any later version. *
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* *
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* This program 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 General Public License (http://www.gnu.org/licenses/gpl.txt) *
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* for more details. *
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* *
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****************************************************************************/
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/****************************************************************************
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History
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$Log: not supported by cvs2svn $
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Revision 1.4 2005/07/11 13:12:34 cignoni
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small gcc-related compiling issues (typenames,ending cr, initialization order)
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Revision 1.3 2004/12/11 15:37:47 ganovelli
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added one more [], now it is polymorphic, added typenames
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Revision 1.2 2004/03/31 22:36:44 ganovelli
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First Working Release (with this comment)
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****************************************************************************/
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#ifndef __VCGLIB_SIMPLE__
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#define __VCGLIB_SIMPLE__
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#include <vector>
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namespace vcg {
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template <class STL_CONT, class ATTR_TYPE>
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class SimpleTempData{
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public:
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STL_CONT& c;
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std::vector<ATTR_TYPE> data;
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SimpleTempData(STL_CONT &_c):c(_c){};
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// access to data
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ATTR_TYPE & operator[](const typename STL_CONT::value_type & v){return data[&v-&*c.begin()];}
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ATTR_TYPE & operator[](const typename STL_CONT::value_type * v){return data[v-&*c.begin()];}
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ATTR_TYPE & operator[](const typename STL_CONT::iterator & cont){return data[&(*cont)-&*c.begin()];}
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ATTR_TYPE & operator[](const int & i){return data[i];}
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// start temporary attribute
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void Start(){data.reserve(c.capacity());data.resize(c.size());}
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// start and initialize temporary attribute
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void Start(ATTR_TYPE val){data.reserve(c.capacity());data.resize(c.size());
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typename std::vector<ATTR_TYPE>::iterator i;
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for(i = data.begin(); i!= data.end(); ++i)
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*i = val;
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}
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// stop temporary attribute
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void Stop(){data.clear();}
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// update temproary data size
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bool UpdateSize(){
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if(data.size() != c.size())
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{
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data.resize(c.size());
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return false;
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}
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return true;
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}
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};
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}; // end namespace vcg
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#endif
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