138 lines
4.7 KiB
C++
138 lines
4.7 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 1.7 2008/05/16 08:48:49 ganovelli
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Enable() and Disable() removed. The memory is allocated by the contructor
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Revision 1.6 2008/05/15 16:35:17 ganovelli
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Start() Stop() removed. Allocation on creation, disallocaiton on distruction
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Revision 1.5 2007/02/02 00:01:54 tarini
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overloaded operator "[]" (once more) to make it possible to index the temp. structure with an iterator
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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 <limits>
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#include <vector>
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namespace vcg {
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template <class STL_CONT>
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class SimpleTempDataBase{
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public:
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virtual ~SimpleTempDataBase() {};
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SimpleTempDataBase() {};
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virtual void Resize(const int & sz) = 0;
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virtual void Reorder(std::vector<size_t> & newVertIndex)=0;
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virtual int SizeOf() const = 0;
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};
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template <class STL_CONT, class ATTR_TYPE>
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class SimpleTempData:public SimpleTempDataBase<STL_CONT>{
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public:
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typedef SimpleTempData<STL_CONT,ATTR_TYPE> SimpTempDataType;
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typedef ATTR_TYPE AttrType;
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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){data.reserve(c.capacity());data.resize(c.size());};
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SimpleTempData(STL_CONT &_c, const ATTR_TYPE &val):c(_c){
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data.reserve(c.capacity());data.resize(c.size());
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Init(val);
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};
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~SimpleTempData(){data.clear();}
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void Init(const ATTR_TYPE &val)
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{
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std::fill(data.begin(),data.end(),val);
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}
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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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// update temporary 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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void Resize(const int & sz){
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data.resize(sz);
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}
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void Reorder(std::vector<size_t> & newVertIndex){
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for(unsigned int i = 0 ; i < data.size(); ++i){
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if( newVertIndex[i] != std::numeric_limits<size_t>::max())
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data[newVertIndex[i]] = data[i];
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}
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}
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int SizeOf() const {return sizeof(ATTR_TYPE);}
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};
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class AttributeBase{
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public:
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virtual ~AttributeBase() {};
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AttributeBase() {};
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virtual int SizeOf()const = 0;
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};
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template <class ATTR_TYPE>
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class Attribute: public AttributeBase {
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public:
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typedef ATTR_TYPE AttrType;
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AttrType * attribute;
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Attribute(){attribute = new ATTR_TYPE();}
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~Attribute(){delete attribute;}
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int SizeOf()const {return sizeof(ATTR_TYPE);}
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};
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}; // end namespace vcg
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#endif
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