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added code to write faceTexCoords to obj writer.

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fixes #25
This commit is contained in:
Martin Schultz
2016-06-29 16:58:59 +02:00
parent 5ed8f3c053
commit 80192d945b
4 changed files with 150 additions and 8 deletions
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11
src/OpenMesh/Core/IO/exporter/BaseExporter.hh
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@@ -103,12 +103,23 @@ public:
virtual Vec3f colorf(VertexHandle _vh) const = 0;
virtual Vec4f colorAf(VertexHandle _vh) const = 0;
virtual Vec2f texcoord(VertexHandle _vh) const = 0;
virtual Vec2f texcoord(HalfedgeHandle _heh) const = 0;
// get face data
virtual unsigned int
get_vhandles(FaceHandle _fh,
std::vector<VertexHandle>& _vhandles) const=0;
///
/// \brief getHeh returns the HalfEdgeHandle that belongs to the face
/// specified by _fh and has a toVertexHandle that corresponds to _vh.
/// \param _fh FaceHandle that is used to search for the half edge handle
/// \param _vh to_vertex_handle of the searched heh
/// \return HalfEdgeHandle or invalid HalfEdgeHandle if none is found.
///
virtual HalfedgeHandle getHeh(FaceHandle _fh, VertexHandle _vh) const = 0;
virtual unsigned int
get_face_texcoords(std::vector<Vec2f>& _hehandles) const = 0;
virtual Vec3f normal(FaceHandle _fh) const = 0;
virtual Vec3uc color (FaceHandle _fh) const = 0;
virtual Vec4uc colorA(FaceHandle _fh) const = 0;

32
src/OpenMesh/Core/IO/exporter/ExporterT.hh
View File

@@ -164,6 +164,13 @@ public:
#endif
}
Vec2f texcoord(HalfedgeHandle _heh) const
{
return (mesh_.has_halfedge_texcoords2D()
? vector_cast<Vec2f>(mesh_.texcoord2D(_heh))
: Vec2f(0.0f, 0.0f));
}
// get edge data
Vec3uc color(EdgeHandle _eh) const
@@ -223,6 +230,31 @@ public:
return count;
}
unsigned int get_face_texcoords(std::vector<Vec2f>& _hehandles) const
{
unsigned int count(0);
_hehandles.clear();
for(typename Mesh::CHIter he_it=mesh_.halfedges_begin();
he_it != mesh_.halfedges_end(); ++he_it)
{
_hehandles.push_back(vector_cast<Vec2f>(mesh_.texcoord2D( *he_it)));
++count;
}
return count;
}
HalfedgeHandle getHeh(FaceHandle _fh, VertexHandle _vh) const
{
typename Mesh::ConstFaceHalfedgeIter fh_it;
for(fh_it = mesh_.cfh_iter(_fh); fh_it.is_valid();++fh_it)
{
if(mesh_.to_vertex_handle(*fh_it) == _vh)
return *fh_it;
}
return *fh_it;
}
Vec3f normal(FaceHandle _fh) const
{
return (mesh_.has_face_normals()