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ganovelli
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14a538a731
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/****************************************************************************
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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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****************************************************************************/
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#ifndef __VCGLIB_VERTEXALLOCATOR
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#define __VCGLIB_VERTEXALLOCATOR
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namespace vcg {
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namespace vertex {
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/** \addtogroup vertexmesh */
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/*@{*/
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/// Class to safely add vertexes and faces to a mesh updating all the involved pointers.
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/// It provides static memeber to add either vertex or faces to a edgemesh.
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template <class AllocateMeshType>
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class Allocator
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{
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public:
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typedef AllocateMeshType MeshType;
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typedef typename MeshType::VertexType VertexType;
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typedef typename MeshType::VertexPointer VertexPointer;
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typedef typename MeshType::VertexIterator VertexIterator;
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/** This class is used when allocating new vertexes and faces to update
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the pointers that can be changed when resizing the involved vectors of vertex or faces.
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It can also be used to prevent any update of the various mesh fields
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(e.g. in case you are building all the connections by hand as in a importer);
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*/
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template<class SimplexPointerType>
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class PointerUpdater
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{
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public:
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void Clear(){newBase=oldBase=newEnd=oldEnd=0;preventUpdateFlag=false;};
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void Update(SimplexPointerType &vp)
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{
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vp=newBase+(vp-oldBase);
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}
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bool NeedUpdate() {if(newBase!=oldBase && !preventUpdateFlag) return true; else return false;}
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SimplexPointerType oldBase;
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SimplexPointerType newBase;
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SimplexPointerType newEnd;
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SimplexPointerType oldEnd;
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bool preventUpdateFlag; /// when true no update is considered necessary.
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};
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/** Function to safely add n vertices to a mesh.
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@param m The mesh to be expanded
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@param n the number of vertexes to be added
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@param pu A PointerUpdater that stores the relocation that can be happened.
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*/
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static VertexIterator AddVertices(MeshType &m,int n, PointerUpdater<VertexPointer> &pu)
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{
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VertexIterator last=m.vert.end();
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pu.Clear();
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if(m.vert.empty()) pu.oldBase=0; // if the vector is empty we cannot find the last valid element
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else pu.oldBase=&*m.vert.begin();
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for(int i=0; i<n; ++i)
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{
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m.vert.push_back(MeshType::VertexType());
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m.vert.back().ClearFlags();
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}
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m.vn+=n;
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return last;// iterator to the first added vertex
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}
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static VertexIterator AddVertices(MeshType &m, int n)
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{
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PointerUpdater<VertexPointer> pu;
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return AddVertices(m, n,pu);
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}
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}; // end class
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/*@}*/
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} // End Namespace TriMesh
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} // End Namespace vcg
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#endif
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@ -0,0 +1,164 @@
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/****************************************************************************
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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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****************************************************************************/
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#pragma warning( disable : 4804 )
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#include <vcg/space/box3.h>
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#include <vcg/space/color4.h>
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/*
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People should subclass his vertex class from these one...
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*/
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#ifndef __VCGLIB_VERTEXMESH
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#define __VCGLIB_VERTEXMESH
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namespace vcg {
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namespace vertex {
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/** \addtogroup vertexmesh */
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/*@{*/
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/** \class VertexMesh.
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This is class for definition of a mesh.
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@param VertContainerType (Template Parameter) Specifies the type of the vertices container any the vertex type.
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@param PointContainerType (Template Parameter) Specifies the type of the faces container any the face type.
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*/
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template < class VertContainerType >
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class VertexMesh{
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public:
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typedef VertContainerType VertexContainer;
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typedef typename VertContainerType::value_type VertexType;
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typedef typename VertContainerType::value_type::ScalarType ScalarType;
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typedef typename VertContainerType::value_type::CoordType CoordType;
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typedef typename VertContainerType::iterator VertexIterator;
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typedef typename VertContainerType::const_iterator ConstVertexIterator;
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typedef VertexType * VertexPointer;
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typedef const VertexType * ConstVertexPointer;
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typedef Box3<ScalarType> BoxType;
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/// Set of vertices
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VertContainerType vert;
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/// Real number of vertices
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int vn;
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/// Bounding box of the mesh
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Box3<ScalarType> bbox;
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/// Global color
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private:
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Color4b c;
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public:
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inline const Color4b & C() const
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{
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return c;
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}
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inline Color4b & C()
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{
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return c;
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}
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/// Default constructor
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VertexMesh()
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{
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vn = 0;
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imark = 0;
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}
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inline int MemUsed() const
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{
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return sizeof(VertexMesh)*vert.size();
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}
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inline int MemNeeded() const
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{
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return sizeof(VertexMesh)*vn;
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}
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/// Function to destroy the mesh
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void Clear()
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{
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vert.clear();
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vn = 0;
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}
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/// Reflection functions that speak about vertex and face properties.
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static bool HasPerVertexNormal() { return VertexType::HasNormal() ; }
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static bool HasPerVertexColor() { return VertexType::HasColor() ; }
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static bool HasPerVertexMark() { return VertexType::HasMark() ; }
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static bool HasPerVertexQuality() { return VertexType::HasQuality(); }
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static bool HasPerVertexTexture() { return VertexType::HasTexture(); }
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/// Initialize the imark-system of the faces
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void InitPointIMark()
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{
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VertexIterator f;
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for(f=vert.begin();f!=vert.end();++f)
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if( !(*f).IsDeleted() && (*f).IsR() && (*f).IsW() )
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(*f).InitIMark();
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}
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/// Initialize the imark-system of the vertices
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void InitVertexIMark()
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{
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VertexIterator vi;
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for(vi=vert.begin();vi!=vert.end();++vi)
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if( !(*vi).IsDeleted() && (*vi).IsRW() )
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(*vi).InitIMark();
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}
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/// The incremental mark
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int imark;
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/** Check if the vertex incremental mark matches the one of the mesh.
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*/
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inline bool IsMarked( ConstVertexPointer v ) const { return v->IMark() == imark; }
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/** Set the vertex incremental mark of the vertex to the one of the mesh.
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*/
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inline void Mark( ConstVertexPointer v ) const { v->IMark() = imark; }
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/// Unmark the mesh
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inline void UnMarkAll() { ++imark; }
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}; // end class VertexMesh
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/*@}*/
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} // end namespace
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} // end namespace
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#endif
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@ -0,0 +1,67 @@
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/****************************************************************************
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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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****************************************************************************/
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#ifndef __VCG_POINT_UPDATE_BOUNDING
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#define __VCG_POINT_UPDATE_BOUNDING
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namespace vcg {
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namespace vertex {
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/** \addtogroup vertexmesh */
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/*@{*/
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/// Management, updating and computation of per-vertex and per-face normals.
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/// This class is used to compute or update the normals that can be stored in the vertex or face component of a mesh.
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template <class ComputeMeshType>
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class UpdateBounding
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{
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public:
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typedef ComputeMeshType MeshType;
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typedef typename MeshType::VertexType VertexType;
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typedef typename MeshType::VertexPointer VertexPointer;
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typedef typename MeshType::VertexIterator VertexIterator;
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/// Calculates the vertex normal (if stored in the current face type)
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static void Box(ComputeMeshType &m)
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{
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m.bbox.SetNull();
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VertexIterator vi;
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for(vi=m.vert.begin();vi!=m.vert.end();++vi)
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if( !(*vi).IsD() ) m.bbox.Add((*vi).P());
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}
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}; // end class
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} // End namespace
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} // End namespace
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#endif
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