FilePLYT_impl.hh

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#define FILEOFFPLUGIN_C
 
#include <OpenMesh/Core/Utils/color_cast.hh>
 
#include "FilePLY.hh"
 
#include <iostream>
#include <fstream>
#include <sstream>
 
template <class MeshT>
void FilePLYPlugin::backupTextureCoordinates(MeshT& _mesh) {
 
    // Create a backup of the original per Vertex texture Coordinates
    if (_mesh.has_vertex_texcoords2D()) {
 
      OpenMesh::VPropHandleT< typename MeshT::TexCoord2D > oldVertexCoords;
      if (!_mesh.get_property_handle(oldVertexCoords, "Original Per Vertex Texture Coords"))
        _mesh.add_property(oldVertexCoords, "Original Per Vertex Texture Coords");
 
      for (auto v_it : _mesh.vertices())
        _mesh.property(oldVertexCoords, v_it) =  _mesh.texcoord2D(v_it);
 
    }
 
    // Create a backup of the original per Face texture Coordinates
    if (_mesh.has_halfedge_texcoords2D()) {
 
      OpenMesh::HPropHandleT< typename MeshT::TexCoord2D > oldHalfedgeCoords;
      if (!_mesh.get_property_handle(oldHalfedgeCoords,"Original Per Face Texture Coords"))
        _mesh.add_property(oldHalfedgeCoords,"Original Per Face Texture Coords");
 
      for (auto he_it : _mesh.halfedges())
        _mesh.property(oldHalfedgeCoords, he_it) =  _mesh.texcoord2D(he_it);
 
    }
}