Added a sample to show the techniques to repack parametrizations

apps/sample/trimesh_texture/trimesh_texture.cpp

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+/****************************************************************************
+* VCGLib                                                            o o     *
+* Visual and Computer Graphics Library                            o     o   *
+*                                                                _   O  _   *
+* Copyright(C) 2004-2012                                           \/)\/    *
+* 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.                                                         *
+*                                                                           *
+****************************************************************************/
+
+#include<vcg/complex/complex.h>
+
+// input output
+#include <wrap/io_trimesh/import_ply.h>
+#include <wrap/io_trimesh/export_ply.h>
+
+#include<vcg/complex/algorithms/update/topology.h>
+#include<vcg/complex/algorithms/outline_support.h>
+
+#include<vcg/simplex/face/pos.h>
+#include <vcg/space/poly_packer.h>
+#include <wrap/qt/PolyToQImage.h>
+//#include<vcg/../../sandbox/bernabeia/polypacker/new_polypacker.h>
+using namespace vcg;
+
+
+class MyEdge;
+class MyFace;
+class MyVertex;
+struct MyUsedTypes : public UsedTypes<	Use<MyVertex>::AsVertexType, Use<MyFace>::AsFaceType>{};
+
+class MyVertex  : public Vertex< MyUsedTypes, vertex::Coord3f, vertex::BitFlags  >{};
+class MyFace    : public Face  < MyUsedTypes, face::VertexRef, face::FFAdj, face::WedgeTexCoord2f, face::Mark, face::BitFlags > {};
+class MyMesh : public tri::TriMesh< std::vector<MyVertex>, std::vector<MyFace > >{};
+
+
+int main(int ,char ** )
+{
+  MyMesh m,tm;
+  tri::io::ImporterPLY<MyMesh>::Open(m,"../../meshes/bunny10k_textured.ply");
+
+  tri::Allocator<MyMesh>::AddVertices(tm,m.fn*3);
+  tri::Allocator<MyMesh>::AddFaces(tm,m.fn);
+
+  for(size_t i=0;i<m.fn;++i)
+  {
+    for(int j=0;j<3;++j)
+    {
+      tm.face[i].V(j)=&tm.vert[i*3+j];
+      tm.vert[i*3+j].P()[0] = m.face[i].WT(j).U();
+      tm.vert[i*3+j].P()[1] = m.face[i].WT(j).V();
+      tm.vert[i*3+j].P()[2] = 0;
+    }
+  }
+  tri::Clean<MyMesh>::RemoveDuplicateVertex(tm);
+  std::vector<std::pair<int,MyMesh::FacePointer> > fpVec;
+  tri::UpdateTopology<MyMesh>::FaceFace(tm);
+  tri::Clean<MyMesh>::ConnectedComponents(tm,fpVec);
+  printf("Mesh has %i texture components\n",fpVec.size());
+  tri::io::ExporterPLY<MyMesh>::Save(tm,"out.ply");
+
+  std::vector< std::vector<Point3f> > outline3Vec;
+  std::vector< std::vector<Point2f> > outline2Vec;
+  tri::OutlineUtil<MyMesh>::ConvertMeshBoundaryToOutline3Vec(tm, outline3Vec);
+  printf("Mesh has %i texture components\n",outline3Vec.size());
+  tri::OutlineUtil<MyMesh>::ConvertOutline3VeToOutline2Vec(outline3Vec,outline2Vec);
+  PolyDumper::Param pp;
+  Similarity2f sim;
+  sim.sca=1024.0f;
+  std::vector<Similarity2f> trVec(outline2Vec.size(),sim);
+  printf("Mesh has %i texture components\n",outline2Vec.size());
+  PolyDumper::dumpOutline2VecPNG("PrePack.png",outline2Vec,trVec,pp);
+
+  const Point2f containerSize(1024,1024);
+  Point2f finalSize(1024,1024);
+  PolyPacker<float>::PackAsAxisAlignedRect(outline2Vec,containerSize,trVec,finalSize);
+
+  PolyDumper::dumpOutline2VecPNG("PostPack.png",outline2Vec,trVec,pp);
+
+  return 0;
+}
+

apps/sample/trimesh_texture/trimesh_texture.pro

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+include(../common.pri)
+QT += opengl svg
+TARGET = trimesh_texture
+SOURCES += trimesh_texture.cpp  ../../../../vcglib/wrap/qt/PolyToQImage.cpp ../../../wrap/ply/plylib.cpp