Garbage collection with tracking of handles. ( Thanks to Maxime Quiblier for the base of this update)

Unit tests for garbage collection (halfedges still missing yet)

uint->unsigned int changes

git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@640 fdac6126-5c0c-442c-9429-916003d36597
This commit is contained in:
Jan Möbius
2012-08-02 16:56:15 +00:00
parent d692d1a00a
commit c7575e439e
4 changed files with 337 additions and 181 deletions

View File

@@ -121,7 +121,7 @@ public:
// There are two halfedges stored per edge
// Get memory position inside edge vector and devide by size of an edge
// to get the corresponding edge for the requested halfedge
uint eh = ( (char*)&_he - (char*)&edges_.front() ) / sizeof(Edge) ;
unsigned int eh = ( (char*)&_he - (char*)&edges_.front() ) / sizeof(Edge) ;
assert((&_he == &edges_[eh].halfedges_[0]) ||
(&_he == &edges_[eh].halfedges_[1]));
return ((&_he == &edges_[eh].halfedges_[0]) ?
@@ -201,19 +201,19 @@ public:
// --- get i'th items ---
VertexHandle vertex_handle(uint _i) const
VertexHandle vertex_handle(unsigned int _i) const
{ return (_i < n_vertices()) ? handle( vertices_[_i] ) : VertexHandle(); }
HalfedgeHandle halfedge_handle(uint _i) const
HalfedgeHandle halfedge_handle(unsigned int _i) const
{
return (_i < n_halfedges()) ?
halfedge_handle(edge_handle(_i/2), _i%2) : HalfedgeHandle();
}
EdgeHandle edge_handle(uint _i) const
EdgeHandle edge_handle(unsigned int _i) const
{ return (_i < n_edges()) ? handle(edges_[_i]) : EdgeHandle(); }
FaceHandle face_handle(uint _i) const
FaceHandle face_handle(unsigned int _i) const
{ return (_i < n_faces()) ? handle(faces_[_i]) : FaceHandle(); }
public:
@@ -257,18 +257,52 @@ public:
public:
// --- resize/reserve ---
void resize( uint _n_vertices, uint _n_edges, uint _n_faces );
void reserve(uint _n_vertices, uint _n_edges, uint _n_faces );
void resize( unsigned int _n_vertices, unsigned int _n_edges, unsigned int _n_faces );
void reserve(unsigned int _n_vertices, unsigned int _n_edges, unsigned int _n_faces );
// --- deletion ---
/** \brief garbage collection
*
* Usually if you delete primitives in OpenMesh, they are only flagged as deleted.
* Only when you call garbage collection, they will be actually removed.
*
*
* @param _v Remove deleted vertices?
* @param _e Remove deleted edges?
* @param _f Remove deleted faces?
*/
void garbage_collection(bool _v=true, bool _e=true, bool _f=true);
/** \brief garbage collection
*
* Usually if you delete primitives in OpenMesh, they are only flagged as deleted.
* Only when you call garbage collection, they will be actually removed.
*
* \note Garbage collection invalidates all handles. If you need to keep track of
* a set of handles, you can pass vectors of pointers to the handles to this function
*
* @param vh_to_update Vertex handles that should get updated
* @param hh_to_update Halfedge handles that should get updated
* @param fh_to_update Face handles that should get updated
* @param _v Remove deleted vertices?
* @param _e Remove deleted edges?
* @param _f Remove deleted faces?
*/
template<typename std_API_Container_VHandlePointer,
typename std_API_Container_HHandlePointer,
typename std_API_Container_FHandlePointer>
void garbage_collection(bool _v=true, bool _e=true, bool _f=true,
std_API_Container_VHandlePointer* vh_to_update = 0,
std_API_Container_HHandlePointer* hh_to_update = 0,
std_API_Container_FHandlePointer* fh_to_update = 0);
void clear();
// --- number of items ---
uint n_vertices() const { return vertices_.size(); }
uint n_halfedges() const { return 2*edges_.size(); }
uint n_edges() const { return edges_.size(); }
uint n_faces() const { return faces_.size(); }
unsigned int n_vertices() const { return vertices_.size(); }
unsigned int n_halfedges() const { return 2*edges_.size(); }
unsigned int n_edges() const { return edges_.size(); }
unsigned int n_faces() const { return faces_.size(); }
bool vertices_empty() const { return vertices_.empty(); }
bool halfedges_empty() const { return edges_.empty(); }
@@ -292,7 +326,7 @@ public:
void set_isolated(VertexHandle _vh)
{ vertex(_vh).halfedge_handle_.invalidate(); }
uint delete_isolated_vertices();
unsigned int delete_isolated_vertices();
// --- halfedge connectivity ---
VertexHandle to_vertex_handle(HalfedgeHandle _heh) const
@@ -394,7 +428,7 @@ public:
{ return next_halfedge_handle(opposite_halfedge_handle(_heh)); }
// --- edge connectivity ---
HalfedgeHandle halfedge_handle(EdgeHandle _eh, uint _i) const
HalfedgeHandle halfedge_handle(EdgeHandle _eh, unsigned int _i) const
{
assert(_i<=1);
return HalfedgeHandle((_eh.idx() << 1) + _i);
@@ -538,10 +572,10 @@ public:
ArrayKernel& kernel_;
public:
const uint bit_mask_;
const unsigned int bit_mask_;
public:
StatusSetT(ArrayKernel& _kernel, uint _bit_mask)
StatusSetT(ArrayKernel& _kernel, unsigned int _bit_mask)
: kernel_(_kernel), bit_mask_(_bit_mask)
{}
@@ -558,14 +592,14 @@ public:
{ kernel_.status(_hnd).unset_bit(bit_mask_); }
/// Note: 0(n) complexity
uint size() const
unsigned int size() const
{
uint n_elements = kernel_.status_pph(Handle()).is_valid() ?
kernel_.property(kernel_.status_pph(Handle())).n_elements() : 0;
uint sz = 0;
for (uint i = 0; i < n_elements; ++i)
unsigned int n_elements = kernel_.status_pph(Handle()).is_valid() ?
kernel_.property(kernel_.status_pph(Handle())).n_elements() : 0;
unsigned int sz = 0;
for (unsigned int i = 0; i < n_elements; ++i)
{
sz += (uint)is_in(Handle(i));
sz += (unsigned int)is_in(Handle(i));
}
return sz;
}
@@ -573,9 +607,9 @@ public:
/// Note: O(n) complexity
void clear()
{
uint n_elements = kernel_.status_pph(Handle()).is_valid() ?
kernel_.property(kernel_.status_pph(Handle())).n_elements() : 0;
for (uint i = 0; i < n_elements; ++i)
unsigned int n_elements = kernel_.status_pph(Handle()).is_valid() ?
kernel_.property(kernel_.status_pph(Handle())).n_elements() : 0;
for (unsigned int i = 0; i < n_elements; ++i)
{
erase(Handle(i));
}
@@ -634,7 +668,7 @@ public:
typedef typename HandleContainer::const_iterator
const_iterator;
public:
ExtStatusSetT(ArrayKernel& _kernel, uint _capacity_hint = 0)
ExtStatusSetT(ArrayKernel& _kernel, unsigned int _capacity_hint = 0)
: Base(_kernel)
{ handles_.reserve(_capacity_hint); }
@@ -682,7 +716,7 @@ public:
}
/// Complexity: 0(1)
inline uint size() const
inline unsigned int size() const
{ return handles_.size(); }
inline bool empty() const
{ return handles_.empty(); }
@@ -725,7 +759,7 @@ private:
typedef EdgeContainer::const_iterator KernelConstEdgeIter;
typedef FaceContainer::iterator KernelFaceIter;
typedef FaceContainer::const_iterator KernelConstFaceIter;
typedef std::vector<uint> BitMaskContainer;
typedef std::vector<unsigned int> BitMaskContainer;
KernelVertexIter vertices_begin() { return vertices_.begin(); }
@@ -754,16 +788,16 @@ private:
{ return halfedge_bit_masks_; }
template <class Handle>
uint pop_bit_mask(Handle _hnd)
unsigned int pop_bit_mask(Handle _hnd)
{
assert(!bit_masks(_hnd).empty());//check if the client request too many status sets
uint bit_mask = bit_masks(_hnd).back();
unsigned int bit_mask = bit_masks(_hnd).back();
bit_masks(_hnd).pop_back();
return bit_mask;
}
template <class Handle>
void push_bit_mask(Handle _hnd, uint _bit_mask)
void push_bit_mask(Handle _hnd, unsigned int _bit_mask)
{
assert(std::find(bit_masks(_hnd).begin(), bit_masks(_hnd).end(), _bit_mask) ==
bit_masks(_hnd).end());//this mask should be not already used
@@ -783,10 +817,10 @@ private:
EdgeStatusPropertyHandle edge_status_;
FaceStatusPropertyHandle face_status_;
uint refcount_vstatus_;
uint refcount_hstatus_;
uint refcount_estatus_;
uint refcount_fstatus_;
unsigned int refcount_vstatus_;
unsigned int refcount_hstatus_;
unsigned int refcount_estatus_;
unsigned int refcount_fstatus_;
BitMaskContainer halfedge_bit_masks_;
BitMaskContainer edge_bit_masks_;
@@ -794,8 +828,14 @@ private:
BitMaskContainer face_bit_masks_;
};
//=============================================================================
} // namespace OpenMesh
//=============================================================================
#if defined(OM_INCLUDE_TEMPLATES) && !defined(OPENMESH_ARRAY_KERNEL_C)
# define OPENMESH_ARRAY_KERNEL_TEMPLATES
# include "ArrayKernelT.cc"
#endif
//=============================================================================
#endif // OPENMESH_ARRAY_KERNEL_HH defined
//=============================================================================