ArrayKernelT.hh
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//=============================================================================
//
// CLASS OSGArrayKernelT
//
//=============================================================================
#ifndef OPENMESH_KERNELOSG_ARRAY_KERNEL_HH
#define OPENMEHS_KERNELOSG_ARRAY_KERNEL_HH
//== INCLUDES =================================================================
#include <vector>
// --------------------
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/Utils/GenProg.hh>
#include <OpenMesh/Core/Mesh/ArrayKernel.hh>
// --------------------
#include <OpenMesh/Tools/Kernel_OSG/AttribKernelT.hh>
//== NAMESPACES ===============================================================
namespace OpenMesh {
namespace Kernel_OSG {
//== CLASS DEFINITION =========================================================
// \see OpenMesh::ArrayHandleT
// \see \ref mesh_type
template <class AttribKernel, class FinalMeshItems>
class ArrayKernelT
: public OpenMesh::ArrayKernelT<AttribKernel, FinalMeshItems>
{
public:
typedef ArrayKernelT<AttribKernel, FinalMeshItems> This;
typedef OpenMesh::ArrayKernelT<AttribKernel, FinalMeshItems> Base;
// attributes
// typedef typename Base::HasVertexNormals HasVertexNormals;
// typedef typename Base::HasVertexColors HasVertexColors;
// typedef typename Base::HasVertexTexCoords HasVertexTexCoords;
// typedef typename Base::HasVertexStatus HasVertexStatus;
typedef typename Base::HasPrevHalfedge HasPrevHalfedge;
// typedef typename Base::HasEdgeStatus HasEdgeStatus;
// typedef typename Base::HasFaceNormals HasFaceNormals;
// typedef typename Base::HasFaceColors HasFaceColors;
// typedef typename Base::HasFaceStatus HasFaceStatus;
// item types
typedef typename FinalMeshItems::Vertex Vertex;
typedef typename FinalMeshItems::Halfedge Halfedge;
typedef typename FinalMeshItems::Edge Edge;
typedef typename FinalMeshItems::Face Face;
typedef typename FinalMeshItems::Point Point;
typedef typename FinalMeshItems::Normal Normal;
typedef typename FinalMeshItems::Color Color;
typedef typename FinalMeshItems::TexCoord TexCoord;
typedef typename FinalMeshItems::Scalar Scalar;
// // handles
// typedef typename OpenMesh::VertexHandle VertexHandle;
// typedef typename FinalMeshItems::HalfedgeHandle HalfedgeHandle;
// typedef typename FinalMeshItems::EdgeHandle EdgeHandle;
// typedef typename FinalMeshItems::FaceHandle FaceHandle;
// iterators
typedef std::vector<Vertex> VertexContainer;
typedef std::vector<Edge> EdgeContainer;
typedef std::vector<Face> FaceContainer;
typedef typename VertexContainer::iterator KernelVertexIter;
typedef typename VertexContainer::const_iterator KernelConstVertexIter;
typedef typename EdgeContainer::iterator KernelEdgeIter;
typedef typename EdgeContainer::const_iterator KernelConstEdgeIter;
typedef typename FaceContainer::iterator KernelFaceIter;
typedef typename FaceContainer::const_iterator KernelConstFaceIter;
public:
ArrayKernelT() : Base()
{ }
virtual ~ArrayKernelT()
{ }
public: // replacements
void set_halfedge_handle(VertexHandle _vh, HalfedgeHandle _heh) {
Base::set_halfedge_handle( _vh, _heh );
}
void set_halfedge_handle(FaceHandle _fh, HalfedgeHandle _heh) {
Base::set_halfedge_handle( _fh, _heh );
osg_sync( _fh );
}
void set_next_halfedge_handle(HalfedgeHandle _heh, HalfedgeHandle _nheh) {
Base::set_next_halfedge_handle( _heh, _nheh );
osg_sync( face_handle( _heh ) ); // ##Changed
}
void garbage_collection(bool _v=true, bool _e=true, bool _f=true);
protected:
bool osg_sync( FaceHandle _fh )
{
return _fh.is_valid()
? osg_sync( _fh, typename Face::IsTriangle() )
: false;
}
private:
bool osg_sync( FaceHandle _fh, GenProg::Bool2Type<true> )
{
HalfedgeHandle hh( halfedge_handle(_fh) );
if ( !hh.is_valid() ) return false;
FaceHandle f1( _fh.idx() * 3 );
set_face_indices( f1, to_vertex_handle(hh).idx() );
hh = next_halfedge_handle(hh);
if ( !hh.is_valid() ) return false;
FaceHandle f2( f1.idx()+1 );
set_face_indices( f2, to_vertex_handle(hh).idx() );
hh = next_halfedge_handle(hh);
if ( !hh.is_valid() ) return false;
FaceHandle f3( f1.idx()+2 );
set_face_indices( f3, to_vertex_handle(hh).idx() );
set_face_types ( _fh, GL_TRIANGLES );
set_face_lengths( _fh, 3 );
return true;
}
bool osg_sync( FaceHandle _fh, GenProg::Bool2Type<false> )
{
return false;
}
};
template <class AttribKernel, class FinalMeshItems>
void
ArrayKernelT<AttribKernel, FinalMeshItems>::
garbage_collection(bool _v, bool _e, bool _f)
{
Base::garbage_collection(_v, _e, _f);
for (size_t fidx=0; fidx < n_faces(); ++fidx)
osg_sync( FaceHandle(fidx) );
}
//=============================================================================
} // namespace Kernel_OSG
} // namespace OpenMesh
//=============================================================================
#endif // OPENMESH_ARRAY_KERNEL_HH defined
//=============================================================================
OpenMesh::HalfedgeHandle
Handle for a halfedge entity.
Definition: Handles.hh:132
OpenMesh::FaceHandle
Handle for a face entity.
Definition: Handles.hh:146
OpenMesh::BaseHandle::is_valid
bool is_valid() const
The handle is valid iff the index is not negative.
Definition: Handles.hh:77
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition: MeshItems.hh:64
OpenMesh::BaseHandle::idx
int idx() const
Get the underlying index of this handle.
Definition: Handles.hh:74
OpenMesh::VertexHandle
Handle for a vertex entity.
Definition: Handles.hh:125
OpenMesh::Attributes::Normal
Add normals to mesh item (vertices/faces)
Definition: Attributes.hh:87
OpenMesh::Attributes::Color
Add colors to mesh item (vertices/faces/edges)
Definition: Attributes.hh:88
OpenMesh::Kernel_OSG::ArrayKernelT
Mesh kernel using arrays for mesh item storage.
Definition: ArrayKernelT.hh:97