ExporterT.hh
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//=============================================================================
//
// Implements an exporter module for arbitrary OpenMesh meshes
//
//=============================================================================
#ifndef __EXPORTERT_HH__
#define __EXPORTERT_HH__
//=== INCLUDES ================================================================
// C++
#include <vector>
// OpenMesh
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/Geometry/VectorT.hh>
#include <OpenMesh/Core/Utils/GenProg.hh>
#include <OpenMesh/Core/Utils/vector_cast.hh>
#include <OpenMesh/Core/Utils/color_cast.hh>
#include <OpenMesh/Core/IO/exporter/BaseExporter.hh>
//=== NAMESPACES ==============================================================
namespace OpenMesh {
namespace IO {
//=== EXPORTER CLASS ==========================================================
template <class Mesh>
class ExporterT : public BaseExporter
{
public:
// Constructor
ExporterT(const Mesh& _mesh) : mesh_(_mesh) {}
// get vertex data
Vec3f point(VertexHandle _vh) const
{
return vector_cast<Vec3f>(mesh_.point(_vh));
}
Vec3f normal(VertexHandle _vh) const
{
return (mesh_.has_vertex_normals()
? vector_cast<Vec3f>(mesh_.normal(_vh))
: Vec3f(0.0f, 0.0f, 0.0f));
}
Vec3uc color(VertexHandle _vh) const
{
return (mesh_.has_vertex_colors()
? color_cast<Vec3uc>(mesh_.color(_vh))
: Vec3uc(0, 0, 0));
}
Vec4uc colorA(VertexHandle _vh) const
{
return (mesh_.has_vertex_colors()
? color_cast<Vec4uc>(mesh_.color(_vh))
: Vec4uc(0, 0, 0, 0));
}
Vec3ui colori(VertexHandle _vh) const
{
return (mesh_.has_vertex_colors()
? color_cast<Vec3ui>(mesh_.color(_vh))
: Vec3ui(0, 0, 0));
}
Vec4ui colorAi(VertexHandle _vh) const
{
return (mesh_.has_vertex_colors()
? color_cast<Vec4ui>(mesh_.color(_vh))
: Vec4ui(0, 0, 0, 0));
}
Vec3f colorf(VertexHandle _vh) const
{
return (mesh_.has_vertex_colors()
? color_cast<Vec3f>(mesh_.color(_vh))
: Vec3f(0, 0, 0));
}
Vec4f colorAf(VertexHandle _vh) const
{
return (mesh_.has_vertex_colors()
? color_cast<Vec4f>(mesh_.color(_vh))
: Vec4f(0, 0, 0, 0));
}
Vec2f texcoord(VertexHandle _vh) const
{
#if defined(OM_CC_GCC) && (OM_CC_VERSION<30000)
// Workaround!
// gcc 2.95.3 exits with internal compiler error at the
// code below!??? **)
if (mesh_.has_vertex_texcoords2D())
return vector_cast<Vec2f>(mesh_.texcoord2D(_vh));
return Vec2f(0.0f, 0.0f);
#else // **)
return (mesh_.has_vertex_texcoords2D()
? vector_cast<Vec2f>(mesh_.texcoord2D(_vh))
: Vec2f(0.0f, 0.0f));
#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
{
return (mesh_.has_edge_colors()
? color_cast<Vec3uc>(mesh_.color(_eh))
: Vec3uc(0, 0, 0));
}
Vec4uc colorA(EdgeHandle _eh) const
{
return (mesh_.has_edge_colors()
? color_cast<Vec4uc>(mesh_.color(_eh))
: Vec4uc(0, 0, 0, 0));
}
Vec3ui colori(EdgeHandle _eh) const
{
return (mesh_.has_edge_colors()
? color_cast<Vec3ui>(mesh_.color(_eh))
: Vec3ui(0, 0, 0));
}
Vec4ui colorAi(EdgeHandle _eh) const
{
return (mesh_.has_edge_colors()
? color_cast<Vec4ui>(mesh_.color(_eh))
: Vec4ui(0, 0, 0, 0));
}
Vec3f colorf(EdgeHandle _eh) const
{
return (mesh_.has_vertex_colors()
? color_cast<Vec3f>(mesh_.color(_eh))
: Vec3f(0, 0, 0));
}
Vec4f colorAf(EdgeHandle _eh) const
{
return (mesh_.has_vertex_colors()
? color_cast<Vec4f>(mesh_.color(_eh))
: Vec4f(0, 0, 0, 0));
}
// get face data
unsigned int get_vhandles(FaceHandle _fh,
std::vector<VertexHandle>& _vhandles) const
{
unsigned int count(0);
_vhandles.clear();
for (typename Mesh::CFVIter fv_it=mesh_.cfv_iter(_fh); fv_it.is_valid(); ++fv_it)
{
_vhandles.push_back(*fv_it);
++count;
}
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()
? vector_cast<Vec3f>(mesh_.normal(_fh))
: Vec3f(0.0f, 0.0f, 0.0f));
}
Vec3uc color(FaceHandle _fh) const
{
return (mesh_.has_face_colors()
? color_cast<Vec3uc>(mesh_.color(_fh))
: Vec3uc(0, 0, 0));
}
Vec4uc colorA(FaceHandle _fh) const
{
return (mesh_.has_face_colors()
? color_cast<Vec4uc>(mesh_.color(_fh))
: Vec4uc(0, 0, 0, 0));
}
Vec3ui colori(FaceHandle _fh) const
{
return (mesh_.has_face_colors()
? color_cast<Vec3ui>(mesh_.color(_fh))
: Vec3ui(0, 0, 0));
}
Vec4ui colorAi(FaceHandle _fh) const
{
return (mesh_.has_face_colors()
? color_cast<Vec4ui>(mesh_.color(_fh))
: Vec4ui(0, 0, 0, 0));
}
Vec3f colorf(FaceHandle _fh) const
{
return (mesh_.has_vertex_colors()
? color_cast<Vec3f>(mesh_.color(_fh))
: Vec3f(0, 0, 0));
}
Vec4f colorAf(FaceHandle _fh) const
{
return (mesh_.has_vertex_colors()
? color_cast<Vec4f>(mesh_.color(_fh))
: Vec4f(0, 0, 0, 0));
}
virtual const BaseKernel* kernel() { return &mesh_; }
// query number of faces, vertices, normals, texcoords
size_t n_vertices() const { return mesh_.n_vertices(); }
size_t n_faces() const { return mesh_.n_faces(); }
size_t n_edges() const { return mesh_.n_edges(); }
// property information
bool is_triangle_mesh() const
{ return Mesh::is_triangles(); }
bool has_vertex_normals() const { return mesh_.has_vertex_normals(); }
bool has_vertex_colors() const { return mesh_.has_vertex_colors(); }
bool has_vertex_texcoords() const { return mesh_.has_vertex_texcoords2D(); }
bool has_edge_colors() const { return mesh_.has_edge_colors(); }
bool has_face_normals() const { return mesh_.has_face_normals(); }
bool has_face_colors() const { return mesh_.has_face_colors(); }
private:
const Mesh& mesh_;
};
//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================
#endif
//=============================================================================
OpenMesh::HalfedgeHandle
Handle for a halfedge entity.
Definition: Handles.hh:132
OpenMesh::BaseKernel
This class provides low-level property management like adding/removing properties and access to prope...
Definition: BaseKernel.hh:102
OpenMesh::Vec4uc
VectorT< unsigned char, 4 > Vec4uc
4-byte unsigned vector
Definition: Vector11T.hh:820
OpenMesh::Vec3f
VectorT< float, 3 > Vec3f
3-float vector
Definition: Vector11T.hh:811
OpenMesh::FaceHandle
Handle for a face entity.
Definition: Handles.hh:146
OpenMesh::Vec3uc
VectorT< unsigned char, 3 > Vec3uc
3-byte unsigned vector
Definition: Vector11T.hh:801
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
OpenMesh::Vec4ui
VectorT< unsigned int, 4 > Vec4ui
4-int unsigned vector
Definition: Vector11T.hh:828
OpenMesh::VectorT< float, 3 >
OpenMesh::Vec3ui
VectorT< unsigned int, 3 > Vec3ui
3-int unsigned vector
Definition: Vector11T.hh:809
OpenMesh::vector_cast
void vector_cast(const src_t &_src, dst_t &_dst, GenProg::Int2Type< n >)
Cast vector type to another vector type by copying the vector elements.
Definition: vector_cast.hh:86
OpenMesh::VertexHandle
Handle for a vertex entity.
Definition: Handles.hh:125
OpenMesh::Vec4f
VectorT< float, 4 > Vec4f
4-float vector
Definition: Vector11T.hh:830
OpenMesh::IO::BaseExporter
Base class for exporter modules.
Definition: BaseExporter.hh:89
VectorT< float, 4 >
OpenMesh::IO::ExporterT::getHeh
HalfedgeHandle getHeh(FaceHandle _fh, VertexHandle _vh) const
getHeh returns the HalfEdgeHandle that belongs to the face specified by _fh and has a toVertexHandle ...
Definition: ExporterT.hh:247
OpenMesh::Vec2f
VectorT< float, 2 > Vec2f
2-float vector
Definition: Vector11T.hh:794
OpenMesh::EdgeHandle
Handle for a edge entity.
Definition: Handles.hh:139
OpenMesh::IO::ExporterT
This class template provides an exporter module for OpenMesh meshes.
Definition: ExporterT.hh:87