add vcglib

vcglib/vcg/complex/algorithms/create/extrude.h

@@ -0,0 +1,105 @@
+/****************************************************************************
+* VCGLib                                                            o o     *
+* Visual and Computer Graphics Library                            o     o   *
+*                                                                _   O  _   *
+* Copyright(C) 2004-2016                                           \/)\/    *
+* Visual Computing Lab                                            /\/|      *
+* ISTI - Italian National Research Council                           |      *
+*                                                                    \      *
+* All rights reserved.                                                      *
+*                                                                           *
+* This program is free software; you can redistribute it and/or modify      *   
+* it under the terms of the GNU General Public License as published by      *
+* the Free Software Foundation; either version 2 of the License, or         *
+* (at your option) any later version.                                       *
+*                                                                           *
+* This program is distributed in the hope that it will be useful,           *
+* but WITHOUT ANY WARRANTY; without even the implied warranty of            *
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the             *
+* GNU General Public License (http://www.gnu.org/licenses/gpl.txt)          *
+* for more details.                                                         *
+*                                                                           *
+****************************************************************************/
+#ifndef EXTRUDE_H
+#define EXTRUDE_H
+
+namespace vcg {
+namespace tri {
+
+
+template <class MeshType> class Extrude
+{
+  public:
+  typedef typename MeshType::FacePointer FacePointer;
+  typedef typename MeshType::EdgePointer EdgePointer;
+  typedef typename MeshType::VertexPointer VertexPointer;
+  typedef typename MeshType::FaceType FaceType;
+  typedef typename MeshType::EdgeType EdgeType;
+  typedef typename MeshType::VertexIterator VertexIterator;
+  typedef typename MeshType::EdgeIterator EdgeIterator;
+  typedef typename MeshType::FaceIterator FaceIterator;
+
+static void ProfileWithCap(MeshType &profile, MeshType &fullSurface, const vcg::Similarityf &sim )
+{
+  fullSurface.Clear();
+  MeshType lowCapSurf,topCapSurf;
+  ProfileWithCap(profile,fullSurface,lowCapSurf,topCapSurf,sim);
+  tri::Append<MeshType,MeshType>::Mesh(fullSurface,lowCapSurf);
+  tri::Append<MeshType,MeshType>::Mesh(fullSurface,topCapSurf);
+  tri::Clean<MeshType>::RemoveDuplicateVertex(fullSurface);
+  bool oriented,orientable;
+  tri::UpdateTopology<MeshType>::FaceFace(fullSurface);
+  tri::Clean<MeshType>::OrientCoherentlyMesh(fullSurface,oriented,orientable);
+}
+
+static void ProfileWithCap(MeshType &profile, MeshType &sideSurf, MeshType &lowCapSurf, MeshType &topCapSurf, const vcg::Similarityf &sim )
+{
+  sideSurf.Clear();
+  lowCapSurf.Clear();
+  topCapSurf.Clear();
+
+  for(VertexIterator vi=profile.vert.begin();vi!=profile.vert.end();++vi)
+  {
+    VertexIterator vp=tri::Allocator<MeshType>::AddVertices(sideSurf,2);
+    vp->P()=vi->P();
+    ++vp;
+    vp->P()= sim*vi->P() ;
+  }
+
+  for(EdgeIterator ei=profile.edge.begin();ei!=profile.edge.end();++ei)
+  {
+    int i0=tri::Index(profile,ei->V(0));
+    int i1=tri::Index(profile,ei->V(1));
+
+    FaceIterator fp= tri::Allocator<MeshType>::AddFaces(sideSurf,2);
+    fp->V(0) = &sideSurf.vert[i0*2];
+    fp->V(1) = &sideSurf.vert[i1*2];
+    fp->V(2) = &sideSurf.vert[i0*2+1];
+    ++fp;
+    fp->V(0) = &sideSurf.vert[i1*2+1];
+    fp->V(1) = &sideSurf.vert[i0*2+1];
+    fp->V(2) = &sideSurf.vert[i1*2];
+  }
+
+  tri::CapEdgeMesh(profile,lowCapSurf);
+  if(lowCapSurf.fn==0) CapEdgeMesh(profile,lowCapSurf,true);
+
+  tri::Append<MeshType,MeshType>::Mesh(topCapSurf,lowCapSurf);
+  for(VertexIterator vi=topCapSurf.vert.begin();vi!=topCapSurf.vert.end();++vi)
+    vi->P() = sim*vi->P();
+//  tri::Append<MeshType,MeshType>::Mesh(sideSurf,lowCapSurf);
+}
+
+static void ProfileWithCap(MeshType &profile, MeshType &surface, const Point3f offset)
+{
+  Similarityf tra;
+  tra.SetTranslate(offset);
+  ProfileWithCap(profile,surface,tra);
+}
+
+}; // end class
+
+} // end namespace tri
+} // end namespace vcg
+
+#endif // EXTRUDE_H