476 lines
21 KiB
C++
476 lines
21 KiB
C++
/* ========================================================================= *
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* *
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* OpenMesh *
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* Copyright (c) 2001-2019, RWTH-Aachen University *
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* Department of Computer Graphics and Multimedia *
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* All rights reserved. *
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* www.openmesh.org *
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* *
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*---------------------------------------------------------------------------*
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* This file is part of OpenMesh. *
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*---------------------------------------------------------------------------*
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* *
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* Redistribution and use in source and binary forms, with or without *
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* modification, are permitted provided that the following conditions *
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* are met: *
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* *
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* 1. Redistributions of source code must retain the above copyright notice, *
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* this list of conditions and the following disclaimer. *
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* *
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* 2. Redistributions in binary form must reproduce the above copyright *
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* notice, this list of conditions and the following disclaimer in the *
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* documentation and/or other materials provided with the distribution. *
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* *
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* 3. Neither the name of the copyright holder nor the names of its *
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* contributors may be used to endorse or promote products derived from *
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* this software without specific prior written permission. *
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* *
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
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* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING *
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
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* *
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* ========================================================================= */
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#ifndef OPENMESH_POLYCONNECTIVITY_INTERFACE_INCLUDE
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#error Do not include this directly, include instead PolyConnectivity.hh
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#endif//OPENMESH_POLYCONNECTIVITY_INTERFACE_INCLUDE
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#include <OpenMesh/Core/Mesh/PolyConnectivity.hh>
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//== NAMESPACES ===============================================================
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namespace OpenMesh {
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//== FORWARD DECLARATION ======================================================
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struct SmartVertexHandle;
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struct SmartHalfedgeHandle;
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struct SmartEdgeHandle;
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struct SmartFaceHandle;
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//== CLASS DEFINITION =========================================================
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/// Base class for all smart handle types
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class OPENMESHDLLEXPORT SmartBaseHandle
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{
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public:
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explicit SmartBaseHandle(const PolyConnectivity* _mesh = nullptr) : mesh_(_mesh) {}
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/// Get the underlying mesh of this handle
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const PolyConnectivity* mesh() const { return mesh_; }
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// TODO: should operators ==, !=, < look at mesh_?
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private:
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const PolyConnectivity* mesh_;
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};
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/// Base class for all smart handle types that contains status related methods
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template <typename HandleType>
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class SmartHandleStatusPredicates
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{
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public:
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/// Returns true iff the handle is marked as feature
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bool feature() const;
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/// Returns true iff the handle is marked as selected
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bool selected() const;
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/// Returns true iff the handle is marked as tagged
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bool tagged() const;
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/// Returns true iff the handle is marked as tagged2
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bool tagged2() const;
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/// Returns true iff the handle is marked as locked
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bool locked() const;
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/// Returns true iff the handle is marked as hidden
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bool hidden() const;
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/// Returns true iff the handle is marked as deleted
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bool deleted() const;
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};
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/// Base class for all smart handle types that contains status related methods
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template <typename HandleType>
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class SmartHandleBoundaryPredicate
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{
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public:
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/// Returns true iff the handle is boundary
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bool is_boundary() const;
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};
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/// Smart version of VertexHandle contains a pointer to the corresponding mesh and allows easier access to navigation methods
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struct OPENMESHDLLEXPORT SmartVertexHandle : public SmartBaseHandle, VertexHandle, SmartHandleStatusPredicates<SmartVertexHandle>, SmartHandleBoundaryPredicate<SmartVertexHandle>
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{
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explicit SmartVertexHandle(int _idx=-1, const PolyConnectivity* _mesh = nullptr) : SmartBaseHandle(_mesh), VertexHandle(_idx) {}
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/// Returns an outgoing halfedge
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SmartHalfedgeHandle out() const;
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/// Returns an outgoing halfedge
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SmartHalfedgeHandle halfedge() const; // alias for out
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/// Returns an incoming halfedge
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SmartHalfedgeHandle in() const;
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/// Returns a range of faces incident to the vertex (PolyConnectivity::vf_range())
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PolyConnectivity::ConstVertexFaceRange faces() const;
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/// Returns a range of faces incident to the vertex (PolyConnectivity::vf_cw_range())
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PolyConnectivity::ConstVertexFaceCWRange faces_cw() const;
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/// Returns a range of faces incident to the vertex (PolyConnectivity::vf_ccw_range())
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PolyConnectivity::ConstVertexFaceCCWRange faces_ccw() const;
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/// Returns a range of edges incident to the vertex (PolyConnectivity::ve_range())
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PolyConnectivity::ConstVertexEdgeRange edges() const;
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/// Returns a range of edges incident to the vertex (PolyConnectivity::ve_cw_range())
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PolyConnectivity::ConstVertexEdgeCWRange edges_cw() const;
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/// Returns a range of edges incident to the vertex (PolyConnectivity::ve_ccw_range())
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PolyConnectivity::ConstVertexEdgeCCWRange edges_ccw() const;
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/// Returns a range of vertices adjacent to the vertex (PolyConnectivity::vv_range())
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PolyConnectivity::ConstVertexVertexRange vertices() const;
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/// Returns a range of vertices adjacent to the vertex (PolyConnectivity::vv_cw_range())
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PolyConnectivity::ConstVertexVertexCWRange vertices_cw() const;
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/// Returns a range of vertices adjacent to the vertex (PolyConnectivity::vv_ccw_range())
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PolyConnectivity::ConstVertexVertexCCWRange vertices_ccw() const;
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/// Returns a range of outgoing halfedges incident to the vertex (PolyConnectivity::voh_range())
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PolyConnectivity::ConstVertexIHalfedgeRange incoming_halfedges() const;
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/// Returns a range of outgoing halfedges incident to the vertex (PolyConnectivity::voh_cw_range())
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PolyConnectivity::ConstVertexIHalfedgeCWRange incoming_halfedges_cw() const;
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/// Returns a range of outgoing halfedges incident to the vertex (PolyConnectivity::voh_ccw_range())
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PolyConnectivity::ConstVertexIHalfedgeCCWRange incoming_halfedges_ccw() const;
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/// Returns a range of outgoing halfedges incident to the vertex (PolyConnectivity::vih_range())
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PolyConnectivity::ConstVertexIHalfedgeRange incoming_halfedges(HalfedgeHandle _heh) const;
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/// Returns a range of incoming halfedges incident to the vertex (PolyConnectivity::vih_cw_range())
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PolyConnectivity::ConstVertexIHalfedgeCWRange incoming_halfedges_cw(HalfedgeHandle _heh) const;
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/// Returns a range of incoming halfedges incident to the vertex (PolyConnectivity::vih_ccw_range())
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PolyConnectivity::ConstVertexIHalfedgeCCWRange incoming_halfedges_ccw(HalfedgeHandle _heh) const;
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/// Returns a range of incoming halfedges incident to the vertex (PolyConnectivity::voh_range())
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PolyConnectivity::ConstVertexOHalfedgeRange outgoing_halfedges() const;
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/// Returns a range of incoming halfedges incident to the vertex (PolyConnectivity::voh_cw_range())
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PolyConnectivity::ConstVertexOHalfedgeCWRange outgoing_halfedges_cw() const;
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/// Returns a range of incoming halfedges incident to the vertex (PolyConnectivity::voh_ccw_range())
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PolyConnectivity::ConstVertexOHalfedgeCCWRange outgoing_halfedges_ccw() const;
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/// Returns a range of incoming halfedges incident to the vertex (PolyConnectivity::voh_range())
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PolyConnectivity::ConstVertexOHalfedgeRange outgoing_halfedges(HalfedgeHandle _heh) const;
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/// Returns a range of incoming halfedges incident to the vertex (PolyConnectivity::voh_cw_range())
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PolyConnectivity::ConstVertexOHalfedgeCWRange outgoing_halfedges_cw(HalfedgeHandle _heh) const;
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/// Returns a range of incoming halfedges incident to the vertex (PolyConnectivity::voh_ccw_range())
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PolyConnectivity::ConstVertexOHalfedgeCCWRange outgoing_halfedges_ccw(HalfedgeHandle _heh) const;
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/// Returns valence of the vertex
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uint valence() const;
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/// Returns true iff (the mesh at) the vertex is two-manifold ?
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bool is_manifold() const;
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};
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struct OPENMESHDLLEXPORT SmartHalfedgeHandle : public SmartBaseHandle, HalfedgeHandle, SmartHandleStatusPredicates<SmartHalfedgeHandle>, SmartHandleBoundaryPredicate<SmartHalfedgeHandle>
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{
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explicit SmartHalfedgeHandle(int _idx=-1, const PolyConnectivity* _mesh = nullptr) : SmartBaseHandle(_mesh), HalfedgeHandle(_idx) {}
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/// Returns next halfedge handle
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SmartHalfedgeHandle next() const;
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/// Returns previous halfedge handle
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SmartHalfedgeHandle prev() const;
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/// Returns opposite halfedge handle
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SmartHalfedgeHandle opp() const;
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/// Returns vertex pointed to by halfedge
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SmartVertexHandle to() const;
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/// Returns vertex at start of halfedge
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SmartVertexHandle from() const;
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/// Returns incident edge of halfedge
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SmartEdgeHandle edge() const;
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/// Returns incident face of halfedge
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SmartFaceHandle face() const;
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/// Returns a range of halfedges in the face of the halfedge (or along the boundary) (PolyConnectivity::hl_range())
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PolyConnectivity::ConstHalfedgeLoopRange loop() const;
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/// Returns a range of halfedges in the face of the halfedge (or along the boundary) (PolyConnectivity::hl_cw_range())
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PolyConnectivity::ConstHalfedgeLoopCWRange loop_cw() const;
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/// Returns a range of halfedges in the face of the halfedge (or along the boundary) (PolyConnectivity::hl_ccw_range())
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PolyConnectivity::ConstHalfedgeLoopCCWRange loop_ccw() const;
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};
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struct OPENMESHDLLEXPORT SmartEdgeHandle : public SmartBaseHandle, EdgeHandle, SmartHandleStatusPredicates<SmartEdgeHandle>, SmartHandleBoundaryPredicate<SmartEdgeHandle>
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{
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explicit SmartEdgeHandle(int _idx=-1, const PolyConnectivity* _mesh = nullptr) : SmartBaseHandle(_mesh), EdgeHandle(_idx) {}
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/// Returns one of the two halfedges of the edge
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SmartHalfedgeHandle halfedge(unsigned int _i) const;
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/// Shorthand for halfedge()
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SmartHalfedgeHandle h(unsigned int _i) const;
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/// Shorthand for halfedge(0)
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SmartHalfedgeHandle h0() const;
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/// Shorthand for halfedge(1)
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SmartHalfedgeHandle h1() const;
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/// Returns one of the two incident vertices of the edge
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SmartVertexHandle vertex(unsigned int _i) const;
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/// Shorthand for vertex()
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SmartVertexHandle v(unsigned int _i) const;
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/// Shorthand for vertex(0)
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SmartVertexHandle v0() const;
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/// Shorthand for vertex(1)
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SmartVertexHandle v1() const;
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};
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struct OPENMESHDLLEXPORT SmartFaceHandle : public SmartBaseHandle, FaceHandle, SmartHandleStatusPredicates<SmartFaceHandle>, SmartHandleBoundaryPredicate<SmartFaceHandle>
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{
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explicit SmartFaceHandle(int _idx=-1, const PolyConnectivity* _mesh = nullptr) : SmartBaseHandle(_mesh), FaceHandle(_idx) {}
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/// Returns one of the halfedges of the face
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SmartHalfedgeHandle halfedge() const;
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/// Returns a range of vertices incident to the face (PolyConnectivity::fv_range())
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PolyConnectivity::ConstFaceVertexRange vertices() const;
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/// Returns a range of vertices incident to the face (PolyConnectivity::fv_cw_range())
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PolyConnectivity::ConstFaceVertexCWRange vertices_cw() const;
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/// Returns a range of vertices incident to the face (PolyConnectivity::fv_ccw_range())
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PolyConnectivity::ConstFaceVertexCCWRange vertices_ccw() const;
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/// Returns a range of halfedges of the face (PolyConnectivity::fh_range())
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PolyConnectivity::ConstFaceHalfedgeRange halfedges() const;
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/// Returns a range of halfedges of the face (PolyConnectivity::fh_cw_range())
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PolyConnectivity::ConstFaceHalfedgeCWRange halfedges_cw() const;
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/// Returns a range of halfedges of the face (PolyConnectivity::fh_ccw_range())
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PolyConnectivity::ConstFaceHalfedgeCCWRange halfedges_ccw() const;
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/// Returns a range of edges of the face (PolyConnectivity::fv_range())
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PolyConnectivity::ConstFaceEdgeRange edges() const;
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/// Returns a range of edges of the face (PolyConnectivity::fv_cw_range())
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PolyConnectivity::ConstFaceEdgeCWRange edges_cw() const;
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/// Returns a range of edges of the face (PolyConnectivity::fv_ccw_range())
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PolyConnectivity::ConstFaceEdgeCCWRange edges_ccw() const;
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/// Returns a range adjacent faces of the face (PolyConnectivity::ff_range())
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PolyConnectivity::ConstFaceFaceRange faces() const;
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/// Returns a range adjacent faces of the face (PolyConnectivity::ff_cw_range())
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PolyConnectivity::ConstFaceFaceCWRange faces_cw() const;
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/// Returns a range adjacent faces of the face (PolyConnectivity::ff_ccw_range())
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PolyConnectivity::ConstFaceFaceCCWRange faces_ccw() const;
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/// Returns the valence of the face
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uint valence() const;
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};
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/// Creats a SmartVertexHandle from a VertexHandle and a Mesh
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inline SmartVertexHandle make_smart(VertexHandle _vh, const PolyConnectivity* _mesh) { return SmartVertexHandle (_vh.idx(), _mesh); }
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/// Creats a SmartHalfedgeHandle from a HalfedgeHandle and a Mesh
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inline SmartHalfedgeHandle make_smart(HalfedgeHandle _hh, const PolyConnectivity* _mesh) { return SmartHalfedgeHandle(_hh.idx(), _mesh); }
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/// Creats a SmartEdgeHandle from an EdgeHandle and a Mesh
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inline SmartEdgeHandle make_smart(EdgeHandle _eh, const PolyConnectivity* _mesh) { return SmartEdgeHandle (_eh.idx(), _mesh); }
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/// Creats a SmartFaceHandle from a FaceHandle and a Mesh
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inline SmartFaceHandle make_smart(FaceHandle _fh, const PolyConnectivity* _mesh) { return SmartFaceHandle (_fh.idx(), _mesh); }
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/// Creats a SmartVertexHandle from a VertexHandle and a Mesh
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inline SmartVertexHandle make_smart(VertexHandle _vh, const PolyConnectivity& _mesh) { return SmartVertexHandle (_vh.idx(), &_mesh); }
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/// Creats a SmartHalfedgeHandle from a HalfedgeHandle and a Mesh
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inline SmartHalfedgeHandle make_smart(HalfedgeHandle _hh, const PolyConnectivity& _mesh) { return SmartHalfedgeHandle(_hh.idx(), &_mesh); }
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/// Creats a SmartEdgeHandle from an EdgeHandle and a Mesh
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inline SmartEdgeHandle make_smart(EdgeHandle _eh, const PolyConnectivity& _mesh) { return SmartEdgeHandle (_eh.idx(), &_mesh); }
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/// Creats a SmartFaceHandle from a FaceHandle and a Mesh
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inline SmartFaceHandle make_smart(FaceHandle _fh, const PolyConnectivity& _mesh) { return SmartFaceHandle (_fh.idx(), &_mesh); }
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// helper to convert Handle Types to Smarthandle Types
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template <typename HandleT>
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struct SmartHandle;
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template <> struct SmartHandle<VertexHandle> { using type = SmartVertexHandle; };
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template <> struct SmartHandle<HalfedgeHandle> { using type = SmartHalfedgeHandle; };
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template <> struct SmartHandle<EdgeHandle> { using type = SmartEdgeHandle; };
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template <> struct SmartHandle<FaceHandle> { using type = SmartFaceHandle; };
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template <typename HandleType>
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inline bool SmartHandleStatusPredicates<HandleType>::feature() const
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{
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const auto& handle = static_cast<const HandleType&>(*this);
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assert(handle.mesh() != nullptr);
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return handle.mesh()->status(handle).feature();
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}
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template <typename HandleType>
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inline bool SmartHandleStatusPredicates<HandleType>::selected() const
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{
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const auto& handle = static_cast<const HandleType&>(*this);
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assert(handle.mesh() != nullptr);
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return handle.mesh()->status(handle).selected();
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}
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template <typename HandleType>
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inline bool SmartHandleStatusPredicates<HandleType>::tagged() const
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{
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const auto& handle = static_cast<const HandleType&>(*this);
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assert(handle.mesh() != nullptr);
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return handle.mesh()->status(handle).tagged();
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}
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template <typename HandleType>
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inline bool SmartHandleStatusPredicates<HandleType>::tagged2() const
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{
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const auto& handle = static_cast<const HandleType&>(*this);
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assert(handle.mesh() != nullptr);
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return handle.mesh()->status(handle).tagged2();
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}
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template <typename HandleType>
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inline bool SmartHandleStatusPredicates<HandleType>::locked() const
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{
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const auto& handle = static_cast<const HandleType&>(*this);
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assert(handle.mesh() != nullptr);
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return handle.mesh()->status(handle).locked();
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}
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template <typename HandleType>
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inline bool SmartHandleStatusPredicates<HandleType>::hidden() const
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{
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const auto& handle = static_cast<const HandleType&>(*this);
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assert(handle.mesh() != nullptr);
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return handle.mesh()->status(handle).hidden();
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}
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template <typename HandleType>
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inline bool SmartHandleStatusPredicates<HandleType>::deleted() const
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{
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const auto& handle = static_cast<const HandleType&>(*this);
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assert(handle.mesh() != nullptr);
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return handle.mesh()->status(handle).deleted();
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}
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template <typename HandleType>
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inline bool SmartHandleBoundaryPredicate<HandleType>::is_boundary() const
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{
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const auto& handle = static_cast<const HandleType&>(*this);
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assert(handle.mesh() != nullptr);
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return handle.mesh()->is_boundary(handle);
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}
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inline SmartHalfedgeHandle SmartVertexHandle::out() const
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{
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assert(mesh() != nullptr);
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return make_smart(mesh()->halfedge_handle(*this), mesh());
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}
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inline SmartHalfedgeHandle SmartVertexHandle::halfedge() const
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{
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return out();
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}
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inline SmartHalfedgeHandle SmartVertexHandle::in() const
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{
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return out().opp();
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}
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inline uint SmartVertexHandle::valence() const
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{
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assert(mesh() != nullptr);
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return mesh()->valence(*this);
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}
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inline bool SmartVertexHandle::is_manifold() const
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{
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assert(mesh() != nullptr);
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return mesh()->is_manifold(*this);
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}
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inline SmartHalfedgeHandle SmartHalfedgeHandle::next() const
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{
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assert(mesh() != nullptr);
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return make_smart(mesh()->next_halfedge_handle(*this), mesh());
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}
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inline SmartHalfedgeHandle SmartHalfedgeHandle::prev() const
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{
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assert(mesh() != nullptr);
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return make_smart(mesh()->prev_halfedge_handle(*this), mesh());
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}
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inline SmartHalfedgeHandle SmartHalfedgeHandle::opp() const
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{
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assert(mesh() != nullptr);
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return make_smart(mesh()->opposite_halfedge_handle(*this), mesh());
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}
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inline SmartVertexHandle SmartHalfedgeHandle::to() const
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{
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assert(mesh() != nullptr);
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return make_smart(mesh()->to_vertex_handle(*this), mesh());
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}
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inline SmartVertexHandle SmartHalfedgeHandle::from() const
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{
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assert(mesh() != nullptr);
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return make_smart(mesh()->from_vertex_handle(*this), mesh());
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}
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inline SmartEdgeHandle SmartHalfedgeHandle::edge() const
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{
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assert(mesh() != nullptr);
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return make_smart(mesh()->edge_handle(*this), mesh());
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}
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inline SmartFaceHandle SmartHalfedgeHandle::face() const
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{
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assert(mesh() != nullptr);
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return make_smart(mesh()->face_handle(*this), mesh());
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}
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inline SmartHalfedgeHandle SmartEdgeHandle::halfedge(unsigned int _i) const
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{
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assert(mesh() != nullptr);
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return make_smart(mesh()->halfedge_handle(*this, _i), mesh());
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}
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inline SmartHalfedgeHandle SmartEdgeHandle::h(unsigned int _i) const
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{
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return halfedge(_i);
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}
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inline SmartHalfedgeHandle SmartEdgeHandle::h0() const
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{
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return h(0);
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}
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inline SmartHalfedgeHandle SmartEdgeHandle::h1() const
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{
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return h(1);
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}
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inline SmartVertexHandle SmartEdgeHandle::vertex(unsigned int _i) const
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{
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return halfedge(_i).from();
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}
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inline SmartVertexHandle SmartEdgeHandle::v(unsigned int _i) const
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{
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return vertex(_i);
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}
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inline SmartVertexHandle SmartEdgeHandle::v0() const
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{
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return v(0);
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}
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inline SmartVertexHandle SmartEdgeHandle::v1() const
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{
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return v(1);
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}
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inline SmartHalfedgeHandle SmartFaceHandle::halfedge() const
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{
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assert(mesh() != nullptr);
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return make_smart(mesh()->halfedge_handle(*this), mesh());
|
|
}
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|
|
|
inline uint SmartFaceHandle::valence() const
|
|
{
|
|
assert(mesh() != nullptr);
|
|
return mesh()->valence(*this);
|
|
}
|
|
|
|
//=============================================================================
|
|
} // namespace OpenMesh
|
|
//=============================================================================
|
|
|
|
//=============================================================================
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