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BaseImporter.hh
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//=============================================================================
//
// Implements the baseclass for IOManager importer modules
//
//=============================================================================
#ifndef __BASEIMPORTER_HH__
#define __BASEIMPORTER_HH__
//=== INCLUDES ================================================================
// STL
#include <vector>
// OpenMesh
#include <OpenMesh/Core/System/config.h>
#include <OpenMesh/Core/Geometry/VectorT.hh>
#include <OpenMesh/Core/Mesh/BaseKernel.hh>
//== NAMESPACES ===============================================================
namespace OpenMesh {
namespace IO {
//=== IMPLEMENTATION ==========================================================
class OPENMESHDLLEXPORT BaseImporter
{
public:
// base class needs virtual destructor
virtual ~BaseImporter() {}
// add a vertex with coordinate \c _point
virtual VertexHandle add_vertex(const Vec3f& _point) = 0;
// add a vertex with coordinate \c _point
virtual VertexHandle add_vertex(const Vec3d& _point) { return add_vertex(Vec3f(_point)); }
// add a vertex without coordinate. Use set_point to set the position deferred
virtual VertexHandle add_vertex() = 0;
// add an edge. Use set_next, set_vertex and set_face to set corresponding entities for halfedges
virtual HalfedgeHandle add_edge(VertexHandle _vh0, VertexHandle _vh1) = 0;
// add a face with indices _indices refering to vertices
typedef std::vector<VertexHandle> VHandles;
virtual FaceHandle add_face(const VHandles& _indices) = 0;
// add a face with incident halfedge
virtual FaceHandle add_face(HalfedgeHandle _heh) = 0;
// add texture coordinates per face, _vh references the first texcoord
virtual void add_face_texcoords( FaceHandle _fh, VertexHandle _vh, const std::vector<Vec2f>& _face_texcoords) = 0;
// add texture 3d coordinates per face, _vh references the first texcoord
virtual void add_face_texcoords( FaceHandle _fh, VertexHandle _vh, const std::vector<Vec3f>& _face_texcoords) = 0;
// Set the texture index for a face
virtual void set_face_texindex( FaceHandle _fh, int _texId ) = 0;
// Set coordinate of the given vertex. Use this function, if you created a vertex without coordinate
virtual void set_point(VertexHandle _vh, const Vec3f& _point) = 0;
// Set outgoing halfedge for the given vertex.
virtual void set_halfedge(VertexHandle _vh, HalfedgeHandle _heh) = 0;
// set vertex normal
virtual void set_normal(VertexHandle _vh, const Vec3f& _normal) = 0;
// set vertex normal
virtual void set_normal(VertexHandle _vh, const Vec3d& _normal) = 0;
// set vertex color
virtual void set_color(VertexHandle _vh, const Vec3uc& _color) = 0;
// set vertex color
virtual void set_color(VertexHandle _vh, const Vec4uc& _color) = 0;
// set vertex color
virtual void set_color(VertexHandle _vh, const Vec3f& _color) = 0;
// set vertex color
virtual void set_color(VertexHandle _vh, const Vec4f& _color) = 0;
// set vertex texture coordinate
virtual void set_texcoord(VertexHandle _vh, const Vec2f& _texcoord) = 0;
// set vertex status
virtual void set_status(VertexHandle _vh, const OpenMesh::Attributes::StatusInfo& _status) = 0;
// set next halfedge handle
virtual void set_next(HalfedgeHandle _heh, HalfedgeHandle _next) = 0;
// set incident face handle for given halfedge
virtual void set_face(HalfedgeHandle _heh, FaceHandle _fh) = 0;
// request texture coordinate property
virtual void request_face_texcoords2D() = 0;
// set vertex texture coordinate
virtual void set_texcoord(HalfedgeHandle _heh, const Vec2f& _texcoord) = 0;
// set 3d vertex texture coordinate
virtual void set_texcoord(VertexHandle _vh, const Vec3f& _texcoord) = 0;
// set 3d vertex texture coordinate
virtual void set_texcoord(HalfedgeHandle _heh, const Vec3f& _texcoord) = 0;
// set halfedge status
virtual void set_status(HalfedgeHandle _heh, const OpenMesh::Attributes::StatusInfo& _status) = 0;
// set edge color
virtual void set_color(EdgeHandle _eh, const Vec3uc& _color) = 0;
// set edge color
virtual void set_color(EdgeHandle _eh, const Vec4uc& _color) = 0;
// set edge color
virtual void set_color(EdgeHandle _eh, const Vec3f& _color) = 0;
// set edge color
virtual void set_color(EdgeHandle _eh, const Vec4f& _color) = 0;
// set edge status
virtual void set_status(EdgeHandle _eh, const OpenMesh::Attributes::StatusInfo& _status) = 0;
// set face normal
virtual void set_normal(FaceHandle _fh, const Vec3f& _normal) = 0;
// set face normal
virtual void set_normal(FaceHandle _fh, const Vec3d& _normal) = 0;
// set face color
virtual void set_color(FaceHandle _fh, const Vec3uc& _color) = 0;
// set face color
virtual void set_color(FaceHandle _fh, const Vec4uc& _color) = 0;
// set face color
virtual void set_color(FaceHandle _fh, const Vec3f& _color) = 0;
// set face color
virtual void set_color(FaceHandle _fh, const Vec4f& _color) = 0;
// set face status
virtual void set_status(FaceHandle _fh, const OpenMesh::Attributes::StatusInfo& _status) = 0;
// Store a property in the mesh mapping from an int to a texture file
// Use set_face_texindex to set the index for each face
virtual void add_texture_information( int _id , std::string _name ) = 0;
// get reference to base kernel
virtual BaseKernel* kernel() { return nullptr; }
virtual bool is_triangle_mesh() const { return false; }
// reserve mem for elements
virtual void reserve( unsigned int /* nV */,
unsigned int /* nE */,
unsigned int /* nF */) {}
// query number of faces, vertices, normals, texcoords
virtual size_t n_vertices() const = 0;
virtual size_t n_faces() const = 0;
virtual size_t n_edges() const = 0;
// pre-processing
virtual void prepare() {}
// post-processing
virtual void finish() {}
};
//=============================================================================
} // namespace IO
} // namespace OpenMesh
//=============================================================================
#endif
//=============================================================================
OpenMesh
Contains all the mesh ingredients like the polygonal mesh, the triangle mesh, different mesh kernels ...
Definition MeshItems.hh:59
OpenMesh::VectorT< float, 3 >
VectorT< float, 4 >
OpenMesh::IO::BaseImporter
Base class for importer modules.
Definition BaseImporter.hh:84
OpenMesh::BaseKernel
This class provides low-level property management like adding/removing properties and access to prope...
Definition BaseKernel.hh:98
OpenMesh::VertexHandle
Handle for a vertex entity.
Definition Handles.hh:121
OpenMesh::HalfedgeHandle
Handle for a halfedge entity.
Definition Handles.hh:128
OpenMesh::EdgeHandle
Handle for a edge entity.
Definition Handles.hh:135
OpenMesh::FaceHandle
Handle for a face entity.
Definition Handles.hh:142
OpenMesh::Attributes::StatusInfo
Add status information to a base class.
Definition Status.hh:95