Initial Release
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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_APPEND
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#define __VCGLIB_APPEND
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#include <vcg/complex/trimesh/update/flag.h>
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namespace vcg {
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namespace tri {
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template<class MeshType>
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int Index(MeshType &m, typename MeshType::VertexType &v) {return &v-&*m.vert.begin();}
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template<class MeshType>
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int Index(MeshType &m, typename MeshType::FaceType &f) {return &f-&*m.face.begin();}
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template<class MeshType>
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int Index(MeshType &m, typename MeshType::VertexPointer &vp) {return vp-&*m.vert.begin();}
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template<class MeshType>
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int Index(MeshType &m, typename MeshType::FacePointer &fp) {return fp-&*m.face.begin();}
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template<class MeshLeft, class MeshRight>
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class Append
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{
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public:
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typedef typename MeshLeft::ScalarType ScalarLeft;
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typedef typename MeshLeft::CoordType CoordLeft;
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typedef typename MeshLeft::VertexType VertexLeft;
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typedef typename MeshLeft::FaceType FaceLeft;
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typedef typename MeshLeft::VertexPointer VertexPointerLeft;
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typedef typename MeshLeft::VertexIterator VertexIteratorLeft;
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typedef typename MeshLeft::FaceIterator FaceIteratorLeft;
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typedef typename MeshRight::ScalarType ScalarRight;
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typedef typename MeshRight::CoordType CoordRight;
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typedef typename MeshRight::VertexType VertexRight;
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typedef typename MeshRight::FaceType FaceRight;
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typedef typename MeshRight::VertexPointer VertexPointerRight;
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typedef typename MeshRight::VertexIterator VertexIteratorRight;
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typedef typename MeshRight::FaceIterator FaceIteratorRight;
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typedef typename MeshRight::FacePointer FacePointerRight;
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static void ImportVertex(VertexLeft &vl, VertexRight &vr)
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{
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vl.P().Import(vr.P());
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if(vl.HasColor() && vl.HasColor()) vl.C()=vr.C();
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if(vl.HasQuality() && vl.HasQuality()) vl.Q()=vr.Q();
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if(vl.HasTexture() && vl.HasTexture()) vl.T()=vr.T();
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}
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static void ImportFace(MeshLeft &ml, MeshRight &mr, FaceLeft &fl, FaceRight &fr, std::vector<int> &remap)
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{
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fl.V(0)=&ml.vert[remap[ Index(mr,fr.V(0))]];
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fl.V(1)=&ml.vert[remap[ Index(mr,fr.V(1))]];
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fl.V(2)=&ml.vert[remap[ Index(mr,fr.V(2))]];
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if(fl.HasFaceColor() && fl.HasFaceColor()) fl.C()=fr.C();
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if(fl.HasFaceQuality() && fl.HasFaceQuality()) fl.Q()=fr.Q();
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if(fl.HasWedgeTexture() && fl.HasWedgeTexture())
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{
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fl.WT(0)=fr.WT(0);
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fl.WT(1)=fr.WT(1);
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fl.WT(2)=fr.WT(2);
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};
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}
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static void Mesh(MeshLeft& ml, MeshRight& mr, const bool selected = false)
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{
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// remap[i] keep where the position of where the i-th vertex of meshright has landed in meshleft
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std::vector<int> remap(mr.vn,-1);
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// first loop to find the referenced vertices and copy them preparing the remap vector
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FaceIteratorRight fi;
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int FaceToAdd=0;
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for(fi=mr.face.begin();fi!=mr.face.end();++fi)
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if((!(*fi).IsD()) && (!selected || (*fi).IsS() ))
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{
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++FaceToAdd;
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for(int i=0;i<3;++i)
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{
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int vind=Index(mr, *(*fi).V(i));
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if(remap[vind]==-1)
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{
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VertexIteratorLeft vp;
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vp=Allocator<MeshLeft>::AddVertices(ml,1);
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ImportVertex((*vp),*(*fi).V(i));
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remap[vind]=Index(ml,*vp);
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}
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}
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}
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// second loop copy the faces updating the vertex references
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FaceIteratorLeft fp=Allocator<MeshLeft>::AddFaces(ml,FaceToAdd);
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for(fi=mr.face.begin();fi!=mr.face.end();++fi)
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if(!(*fi).IsD() && (!selected || (*fi).IsS() ))
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{
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ImportFace(ml,mr,(*fp),(*fi),remap);
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++fp;
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}
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}
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static void Subset(MeshLeft& ml, std::vector<FacePointerRight> & vfpr)
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{
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// remap[i] keep where the position of where the i-th vertex of meshright has landed in meshleft
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std::vector<int> remap(mr.vn,-1);
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// first loop to find the referenced vertices and copy them preparing the remap vector
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vector<FacePointerRight>::iterator fi;
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int FaceToAdd=0;
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for(fi=vfpr.begin();fi!=vfpr.end();++fi)
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if(!(*fi)->IsD())
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{
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FaceToAdd++;
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for(int i=0;i<3;++i)
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{
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int vind=Index(mr, *(**fi).V(i));
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if(remap[vind]==-1)
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{
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VertexIteratorLeft vp;
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vp=Allocator<MeshLeft>::AddVertices(ml,1);
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ImportVertex((*vp),*(**fi).V(i));
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remap[vind]=Index(ml,*vp);
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}
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}
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}
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// second loop copy the faces updating the vertex references
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FaceIteratorLeft fp=Allocator<MeshLeft>::AddFaces(ml,FaceToAdd);
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for(fi=vfpr.begin();fi!=vfpr.end();++fi)
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if(!(*fi).IsD())
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{
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ImportFace(ml,mr,(*fp),(*fi),remap);
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++fp;
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}
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}
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static void Selected(MeshLeft& ml, MeshRight& mr)
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{
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Mesh(mr,mr,true);
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}
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}; // end of class Append
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} // End Namespace TriMesh
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} // End Namespace vcg
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#endif
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