AttribKernelT.hh

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\*===========================================================================*/

#ifndef OPENMESH_ATTRIBKERNEL_HH
#define OPENMESH_ATTRIBKERNEL_HH


//== INCLUDES =================================================================

#include <OpenMesh/Core/Mesh/Attributes.hh>
#include <OpenMesh/Core/Utils/GenProg.hh>
#include <OpenMesh/Core/Utils/vector_traits.hh>
#include <vector>
#include <algorithm>

//== NAMESPACES ===============================================================

namespace OpenMesh {


//== CLASS DEFINITION =========================================================

template <class MeshItems, class Connectivity>
class AttribKernelT : public Connectivity
{
public:

  //---------------------------------------------------------------- item types

  typedef MeshItems MeshItemsT;
  typedef Connectivity ConnectivityT;
  typedef typename Connectivity::Vertex     Vertex;
  typedef typename Connectivity::Halfedge   Halfedge;
  typedef typename Connectivity::Edge       Edge;
  typedef typename Connectivity::Face       Face;

  typedef typename MeshItems::Point         Point;
  typedef typename MeshItems::Normal        Normal;
  typedef typename MeshItems::Color         Color;
  typedef typename MeshItems::TexCoord1D    TexCoord1D;
  typedef typename MeshItems::TexCoord2D    TexCoord2D;
  typedef typename MeshItems::TexCoord3D    TexCoord3D;
  typedef typename MeshItems::Scalar        Scalar;
  typedef typename MeshItems::TextureIndex  TextureIndex;

  typedef typename MeshItems::VertexData    VertexData;
  typedef typename MeshItems::HalfedgeData  HalfedgeData;
  typedef typename MeshItems::EdgeData      EdgeData;
  typedef typename MeshItems::FaceData      FaceData;

  typedef AttribKernelT<MeshItems,Connectivity>  AttribKernel;

  enum Attribs  {
    VAttribs = MeshItems::VAttribs,
    HAttribs = MeshItems::HAttribs,
    EAttribs = MeshItems::EAttribs,
    FAttribs = MeshItems::FAttribs
  };

  typedef VPropHandleT<VertexData>              DataVPropHandle;
  typedef HPropHandleT<HalfedgeData>            DataHPropHandle;
  typedef EPropHandleT<EdgeData>                DataEPropHandle;
  typedef FPropHandleT<FaceData>                DataFPropHandle;

public:

  //-------------------------------------------------- constructor / destructor

  AttribKernelT()
  : refcount_vnormals_(0),
    refcount_vcolors_(0),
    refcount_vtexcoords1D_(0),
    refcount_vtexcoords2D_(0),
    refcount_vtexcoords3D_(0),
    refcount_htexcoords1D_(0),
    refcount_htexcoords2D_(0),
    refcount_htexcoords3D_(0),
    refcount_henormals_(0),
    refcount_hecolors_(0),
    refcount_ecolors_(0),
    refcount_fnormals_(0),
    refcount_fcolors_(0),
    refcount_ftextureIndex_(0)
  {
    this->add_property( points_, "v:points" );

    if (VAttribs & Attributes::Normal)
      request_vertex_normals();

    if (VAttribs & Attributes::Color)
      request_vertex_colors();

    if (VAttribs & Attributes::TexCoord1D)
      request_vertex_texcoords1D();

    if (VAttribs & Attributes::TexCoord2D)
      request_vertex_texcoords2D();

    if (VAttribs & Attributes::TexCoord3D)
      request_vertex_texcoords3D();

    if (HAttribs & Attributes::TexCoord1D)
      request_halfedge_texcoords1D();

    if (HAttribs & Attributes::TexCoord2D)
      request_halfedge_texcoords2D();

    if (HAttribs & Attributes::TexCoord3D)
      request_halfedge_texcoords3D();

    if (HAttribs & Attributes::Color)
      request_halfedge_colors();

    if (VAttribs & Attributes::Status)
      Connectivity::request_vertex_status();

    if (HAttribs & Attributes::Status)
      Connectivity::request_halfedge_status();

    if (HAttribs & Attributes::Normal)
      request_halfedge_normals();

    if (EAttribs & Attributes::Status)
      Connectivity::request_edge_status();
    
    if (EAttribs & Attributes::Color)
      request_edge_colors();

    if (FAttribs & Attributes::Normal)
      request_face_normals();

    if (FAttribs & Attributes::Color)
      request_face_colors();

    if (FAttribs & Attributes::Status)
      Connectivity::request_face_status();

    if (FAttribs & Attributes::TextureIndex)
      request_face_texture_index();

    //FIXME: data properties might actually cost storage even
    //if there are no data traits??
    this->add_property(data_vpph_);
    this->add_property(data_fpph_);
    this->add_property(data_hpph_);
    this->add_property(data_epph_);
  }

  virtual ~AttribKernelT()
  {
    // should remove properties, but this will be done in
    // BaseKernel's destructor anyway...
  }

  template <class _AttribKernel>
  void assign(const _AttribKernel& _other)
  {
    this->assign_connectivity(_other);
    for (typename Connectivity::VertexIter v_it = Connectivity::vertices_begin();
         v_it != Connectivity::vertices_end(); ++v_it)
    {//assumes Point constructor supports cast from _AttribKernel::Point
      set_point(*v_it, (Point)_other.point(*v_it));
    }
  }

  //-------------------------------------------------------------------- points

  const Point* points() const
  { return this->property(points_).data(); }

  const Point& point(VertexHandle _vh) const
  { return this->property(points_, _vh); }

  Point& point(VertexHandle _vh)
  { return this->property(points_, _vh); }

  void set_point(VertexHandle _vh, const Point& _p)
  { this->property(points_, _vh) = _p; }


  //------------------------------------------------------------ vertex normals

  const Normal* vertex_normals() const
  { return this->property(vertex_normals_).data(); }

  const Normal& normal(VertexHandle _vh) const
  { return this->property(vertex_normals_, _vh); }

  void set_normal(VertexHandle _vh, const Normal& _n)
  { this->property(vertex_normals_, _vh) = _n; }


  //------------------------------------------------------------- vertex colors

  const Color* vertex_colors() const
  { return this->property(vertex_colors_).data(); }

  const Color& color(VertexHandle _vh) const
  { return this->property(vertex_colors_, _vh); }

  void set_color(VertexHandle _vh, const Color& _c)
  { this->property(vertex_colors_, _vh) = _c; }


  //------------------------------------------------------- vertex 1D texcoords

  const TexCoord1D* texcoords1D() const {
    return this->property(vertex_texcoords1D_).data();
  }

  const TexCoord1D& texcoord1D(VertexHandle _vh) const {
    return this->property(vertex_texcoords1D_, _vh);
  }

  void set_texcoord1D(VertexHandle _vh, const TexCoord1D& _t) {
    this->property(vertex_texcoords1D_, _vh) = _t;
  }


  //------------------------------------------------------- vertex 2D texcoords

  const TexCoord2D* texcoords2D() const {
    return this->property(vertex_texcoords2D_).data();
  }

  const TexCoord2D& texcoord2D(VertexHandle _vh) const {
    return this->property(vertex_texcoords2D_, _vh);
  }

  void set_texcoord2D(VertexHandle _vh, const TexCoord2D& _t) {
    this->property(vertex_texcoords2D_, _vh) = _t;
  }


  //------------------------------------------------------- vertex 3D texcoords

  const TexCoord3D* texcoords3D() const {
    return this->property(vertex_texcoords3D_).data();
  }

  const TexCoord3D& texcoord3D(VertexHandle _vh) const {
    return this->property(vertex_texcoords3D_, _vh);
  }

  void set_texcoord3D(VertexHandle _vh, const TexCoord3D& _t) {
    this->property(vertex_texcoords3D_, _vh) = _t;
  }

  //.------------------------------------------------------ halfedge 1D texcoords

  const TexCoord1D* htexcoords1D() const {
    return this->property(halfedge_texcoords1D_).data();
  }

  const TexCoord1D& texcoord1D(HalfedgeHandle _heh) const {
    return this->property(halfedge_texcoords1D_, _heh);
  }

  void set_texcoord1D(HalfedgeHandle _heh, const TexCoord1D& _t) {
    this->property(halfedge_texcoords1D_, _heh) = _t;
  }


  //------------------------------------------------------- halfedge 2D texcoords

  const TexCoord2D* htexcoords2D() const {
    return this->property(halfedge_texcoords2D_).data();
  }

  const TexCoord2D& texcoord2D(HalfedgeHandle _heh) const {
    return this->property(halfedge_texcoords2D_, _heh);
  }

  void set_texcoord2D(HalfedgeHandle _heh, const TexCoord2D& _t) {
    this->property(halfedge_texcoords2D_, _heh) = _t;
  }


  //------------------------------------------------------- halfedge 3D texcoords

  const TexCoord3D* htexcoords3D() const {
    return this->property(halfedge_texcoords3D_).data();
  }

  const TexCoord3D& texcoord3D(HalfedgeHandle _heh) const {
    return this->property(halfedge_texcoords3D_, _heh);
  }

  void set_texcoord3D(HalfedgeHandle _heh, const TexCoord3D& _t) {
    this->property(halfedge_texcoords3D_, _heh) = _t;
  }
  
  //------------------------------------------------------------- edge colors
  
  const Color* edge_colors() const
  { return this->property(edge_colors_).data(); }
  
  const Color& color(EdgeHandle _eh) const
  { return this->property(edge_colors_, _eh); }
  
  void set_color(EdgeHandle _eh, const Color& _c)
  { this->property(edge_colors_, _eh) = _c; }


  //------------------------------------------------------------- halfedge normals

  const Normal& normal(HalfedgeHandle _heh) const
  { return this->property(halfedge_normals_, _heh); }

  void set_normal(HalfedgeHandle _heh, const Normal& _n)
  { this->property(halfedge_normals_, _heh) = _n; }


  //------------------------------------------------------------- halfedge colors
  
  const Color* halfedge_colors() const
  { return this->property(halfedge_colors_).data(); }
  
  const Color& color(HalfedgeHandle _heh) const
  { return this->property(halfedge_colors_, _heh); }
  
  void set_color(HalfedgeHandle _heh, const Color& _c)
  { this->property(halfedge_colors_, _heh) = _c; }

  //-------------------------------------------------------------- face normals

  const Normal& normal(FaceHandle _fh) const
  { return this->property(face_normals_, _fh); }

  void set_normal(FaceHandle _fh, const Normal& _n)
  { this->property(face_normals_, _fh) = _n; }

  //-------------------------------------------------------------- per Face Texture index

  const TextureIndex& texture_index(FaceHandle _fh) const
  { return this->property(face_texture_index_, _fh); }

  void set_texture_index(FaceHandle _fh, const TextureIndex& _t)
  { this->property(face_texture_index_, _fh) = _t; }

  //--------------------------------------------------------------- face colors

  const Color& color(FaceHandle _fh) const
  { return this->property(face_colors_, _fh); }

  void set_color(FaceHandle _fh, const Color& _c)
  { this->property(face_colors_, _fh) = _c; }

  //------------------------------------------------ request / alloc properties

  void request_vertex_normals()
  {
    if (!refcount_vnormals_++)
      this->add_property( vertex_normals_, "v:normals" );
  }

  void request_vertex_colors()
  {
    if (!refcount_vcolors_++)
      this->add_property( vertex_colors_, "v:colors" );
  }

  void request_vertex_texcoords1D()
  {
    if (!refcount_vtexcoords1D_++)
      this->add_property( vertex_texcoords1D_, "v:texcoords1D" );
  }

  void request_vertex_texcoords2D()
  {
    if (!refcount_vtexcoords2D_++)
      this->add_property( vertex_texcoords2D_, "v:texcoords2D" );
  }

  void request_vertex_texcoords3D()
  {
    if (!refcount_vtexcoords3D_++)
      this->add_property( vertex_texcoords3D_, "v:texcoords3D" );
  }

  void request_halfedge_texcoords1D()
  {
    if (!refcount_htexcoords1D_++)
      this->add_property( halfedge_texcoords1D_, "h:texcoords1D" );
  }

  void request_halfedge_texcoords2D()
  {
    if (!refcount_htexcoords2D_++)
      this->add_property( halfedge_texcoords2D_, "h:texcoords2D" );
  }

  void request_halfedge_texcoords3D()
  {
    if (!refcount_htexcoords3D_++)
      this->add_property( halfedge_texcoords3D_, "h:texcoords3D" );
  }
  
  void request_edge_colors()
  {
    if (!refcount_ecolors_++)
      this->add_property( edge_colors_, "e:colors" );
  }

  void request_halfedge_normals()
  {
    if (!refcount_henormals_++)
      this->add_property( halfedge_normals_, "h:normals" );
  }

  void request_halfedge_colors()
  {
    if (!refcount_hecolors_++)
      this->add_property( halfedge_colors_, "h:colors" );
  }

  void request_face_normals()
  {
    if (!refcount_fnormals_++)
      this->add_property( face_normals_, "f:normals" );
  }

  void request_face_colors()
  {
    if (!refcount_fcolors_++)
      this->add_property( face_colors_, "f:colors" );
  }

  void request_face_texture_index()
  {
    if (!refcount_ftextureIndex_++)
      this->add_property( face_texture_index_, "f:textureindex" );
  }

  //------------------------------------------------- release / free properties

  void release_vertex_normals()
  {
    if ((refcount_vnormals_ > 0) && (! --refcount_vnormals_))
      this->remove_property(vertex_normals_);
  }

  void release_vertex_colors()
  {
    if ((refcount_vcolors_ > 0) && (! --refcount_vcolors_))
      this->remove_property(vertex_colors_);
  }

  void release_vertex_texcoords1D() {
    if ((refcount_vtexcoords1D_ > 0) && (! --refcount_vtexcoords1D_))
      this->remove_property(vertex_texcoords1D_);
  }

  void release_vertex_texcoords2D() {
    if ((refcount_vtexcoords2D_ > 0) && (! --refcount_vtexcoords2D_))
      this->remove_property(vertex_texcoords2D_);
  }

  void release_vertex_texcoords3D() {
    if ((refcount_vtexcoords3D_ > 0) && (! --refcount_vtexcoords3D_))
      this->remove_property(vertex_texcoords3D_);
  }

  void release_halfedge_texcoords1D() {
    if ((refcount_htexcoords1D_ > 0) && (! --refcount_htexcoords1D_))
      this->remove_property(halfedge_texcoords1D_);
  }

  void release_halfedge_texcoords2D() {
    if ((refcount_htexcoords2D_ > 0) && (! --refcount_htexcoords2D_))
      this->remove_property(halfedge_texcoords2D_);
  }

  void release_halfedge_texcoords3D() {
    if ((refcount_htexcoords3D_ > 0) && (! --refcount_htexcoords3D_))
      this->remove_property(halfedge_texcoords3D_);
  }
  
  void release_edge_colors()
  {
      if ((refcount_ecolors_ > 0) && (! --refcount_ecolors_))
          this->remove_property(edge_colors_);
  }

  void release_halfedge_normals()
  {
      if ((refcount_henormals_ > 0) && (! --refcount_henormals_))
          this->remove_property(halfedge_normals_);
  }

  void release_halfedge_colors()
  {
      if ((refcount_hecolors_ > 0) && (! --refcount_hecolors_))
          this->remove_property(halfedge_colors_);
  }

  void release_face_normals()
  {
    if ((refcount_fnormals_ > 0) && (! --refcount_fnormals_))
      this->remove_property(face_normals_);
  }

  void release_face_colors()
  {
    if ((refcount_fcolors_ > 0) && (! --refcount_fcolors_))
      this->remove_property(face_colors_);
  }

  void release_face_texture_index()
  {
    if ((refcount_ftextureIndex_ > 0) && (! --refcount_ftextureIndex_))
      this->remove_property(face_texture_index_);
  }

  //---------------------------------------------- dynamic check for properties

  bool has_vertex_normals()       const { return vertex_normals_.is_valid();      }
  bool has_vertex_colors()        const { return vertex_colors_.is_valid();       }
  bool has_vertex_texcoords1D()   const { return vertex_texcoords1D_.is_valid();  }
  bool has_vertex_texcoords2D()   const { return vertex_texcoords2D_.is_valid();  }
  bool has_vertex_texcoords3D()   const { return vertex_texcoords3D_.is_valid();  }
  bool has_halfedge_texcoords1D() const { return halfedge_texcoords1D_.is_valid();}
  bool has_halfedge_texcoords2D() const { return halfedge_texcoords2D_.is_valid();}
  bool has_halfedge_texcoords3D() const { return halfedge_texcoords3D_.is_valid();}
  bool has_edge_colors()          const { return edge_colors_.is_valid();         }
  bool has_halfedge_normals()     const { return halfedge_normals_.is_valid();    }
  bool has_halfedge_colors()      const { return halfedge_colors_.is_valid();     }
  bool has_face_normals()         const { return face_normals_.is_valid();        }
  bool has_face_colors()          const { return face_colors_.is_valid();         }
  bool has_face_texture_index()   const { return face_texture_index_.is_valid();  }

public:

  typedef VPropHandleT<Point>               PointsPropertyHandle;
  typedef VPropHandleT<Normal>              VertexNormalsPropertyHandle;
  typedef VPropHandleT<Color>               VertexColorsPropertyHandle;
  typedef VPropHandleT<TexCoord1D>          VertexTexCoords1DPropertyHandle;
  typedef VPropHandleT<TexCoord2D>          VertexTexCoords2DPropertyHandle;
  typedef VPropHandleT<TexCoord3D>          VertexTexCoords3DPropertyHandle;
  typedef HPropHandleT<TexCoord1D>          HalfedgeTexCoords1DPropertyHandle;
  typedef HPropHandleT<TexCoord2D>          HalfedgeTexCoords2DPropertyHandle;
  typedef HPropHandleT<TexCoord3D>          HalfedgeTexCoords3DPropertyHandle;
  typedef EPropHandleT<Color>               EdgeColorsPropertyHandle;
  typedef HPropHandleT<Normal>              HalfedgeNormalsPropertyHandle;
  typedef HPropHandleT<Color>               HalfedgeColorsPropertyHandle;
  typedef FPropHandleT<Normal>              FaceNormalsPropertyHandle;
  typedef FPropHandleT<Color>               FaceColorsPropertyHandle;
  typedef FPropHandleT<TextureIndex>        FaceTextureIndexPropertyHandle;

public:
  //standard vertex properties
  PointsPropertyHandle                      points_pph() const
  { return points_; }

  VertexNormalsPropertyHandle               vertex_normals_pph() const
  { return vertex_normals_; }

  VertexColorsPropertyHandle                vertex_colors_pph() const
  { return vertex_colors_; }

  VertexTexCoords1DPropertyHandle           vertex_texcoords1D_pph() const
  { return vertex_texcoords1D_; }

  VertexTexCoords2DPropertyHandle           vertex_texcoords2D_pph() const
  { return vertex_texcoords2D_; }

  VertexTexCoords3DPropertyHandle           vertex_texcoords3D_pph() const
  { return vertex_texcoords3D_; }

  //standard halfedge properties
  HalfedgeTexCoords1DPropertyHandle           halfedge_texcoords1D_pph() const
  { return halfedge_texcoords1D_; }

  HalfedgeTexCoords2DPropertyHandle           halfedge_texcoords2D_pph() const
  { return halfedge_texcoords2D_; }

  HalfedgeTexCoords3DPropertyHandle           halfedge_texcoords3D_pph() const
  { return halfedge_texcoords3D_; }

  // standard edge properties
  HalfedgeNormalsPropertyHandle              halfedge_normals_pph() const
  { return halfedge_normals_; }


  // standard edge properties
  HalfedgeColorsPropertyHandle              halfedge_colors_pph() const
  { return halfedge_colors_; }
  
  // standard edge properties
  EdgeColorsPropertyHandle                  edge_colors_pph() const
  { return edge_colors_; }

  //standard face properties
  FaceNormalsPropertyHandle                 face_normals_pph() const
  { return face_normals_; }

  FaceColorsPropertyHandle                  face_colors_pph() const
  { return face_colors_; }

  FaceTextureIndexPropertyHandle            face_texture_index_pph() const
  { return face_texture_index_; }

  VertexData&                               data(VertexHandle _vh)
  { return this->property(data_vpph_, _vh); }

  const VertexData&                         data(VertexHandle _vh) const
  { return this->property(data_vpph_, _vh); }

  FaceData&                                 data(FaceHandle _fh)
  { return this->property(data_fpph_, _fh); }

  const FaceData&                           data(FaceHandle _fh) const
  { return this->property(data_fpph_, _fh); }

  EdgeData&                                 data(EdgeHandle _eh)
  { return this->property(data_epph_, _eh); }

  const EdgeData&                           data(EdgeHandle _eh) const
  { return this->property(data_epph_, _eh); }

  HalfedgeData&                             data(HalfedgeHandle _heh)
  { return this->property(data_hpph_, _heh); }

  const HalfedgeData&                       data(HalfedgeHandle _heh) const
  { return this->property(data_hpph_, _heh); }

private:
  //standard vertex properties
  PointsPropertyHandle                      points_;
  VertexNormalsPropertyHandle               vertex_normals_;
  VertexColorsPropertyHandle                vertex_colors_;
  VertexTexCoords1DPropertyHandle           vertex_texcoords1D_;
  VertexTexCoords2DPropertyHandle           vertex_texcoords2D_;
  VertexTexCoords3DPropertyHandle           vertex_texcoords3D_;
  //standard halfedge properties
  HalfedgeTexCoords1DPropertyHandle         halfedge_texcoords1D_;
  HalfedgeTexCoords2DPropertyHandle         halfedge_texcoords2D_;
  HalfedgeTexCoords3DPropertyHandle         halfedge_texcoords3D_;
  HalfedgeNormalsPropertyHandle             halfedge_normals_;
  HalfedgeColorsPropertyHandle              halfedge_colors_;
  // standard edge properties
  EdgeColorsPropertyHandle                  edge_colors_;
  //standard face properties
  FaceNormalsPropertyHandle                 face_normals_;
  FaceColorsPropertyHandle                  face_colors_;
  FaceTextureIndexPropertyHandle            face_texture_index_;
  //data properties handles
  DataVPropHandle                           data_vpph_;
  DataHPropHandle                           data_hpph_;
  DataEPropHandle                           data_epph_;
  DataFPropHandle                           data_fpph_;

  unsigned int                              refcount_vnormals_;
  unsigned int                              refcount_vcolors_;
  unsigned int                              refcount_vtexcoords1D_;
  unsigned int                              refcount_vtexcoords2D_;
  unsigned int                              refcount_vtexcoords3D_;
  unsigned int                              refcount_htexcoords1D_;
  unsigned int                              refcount_htexcoords2D_;
  unsigned int                              refcount_htexcoords3D_;
  unsigned int                              refcount_henormals_;
  unsigned int                              refcount_hecolors_;
  unsigned int                              refcount_ecolors_;
  unsigned int                              refcount_fnormals_;
  unsigned int                              refcount_fcolors_;
  unsigned int                              refcount_ftextureIndex_;
};

//=============================================================================
} // namespace OpenMesh
//=============================================================================
#endif // OPENMESH_ATTRIBKERNEL_HH defined
//=============================================================================