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add first version of smart handles

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Max Lyon
2019-09-25 08:47:34 +02:00
parent 0a021a89d8
commit f948a16ce2
2 changed files with 280 additions and 0 deletions
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src/OpenMesh/Core/Mesh/SmartHandles.hh Normal file
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/* ========================================================================= *
* *
* OpenMesh *
* Copyright (c) 2001-2019, RWTH-Aachen University *
* Department of Computer Graphics and Multimedia *
* All rights reserved. *
* www.openmesh.org *
* *
*---------------------------------------------------------------------------*
* This file is part of OpenMesh. *
*---------------------------------------------------------------------------*
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted provided that the following conditions *
* are met: *
* *
* 1. Redistributions of source code must retain the above copyright notice, *
* this list of conditions and the following disclaimer. *
* *
* 2. Redistributions in binary form must reproduce the above copyright *
* notice, this list of conditions and the following disclaimer in the *
* documentation and/or other materials provided with the distribution. *
* *
* 3. Neither the name of the copyright holder nor the names of its *
* contributors may be used to endorse or promote products derived from *
* this software without specific prior written permission. *
* *
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS *
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A *
* PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, *
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, *
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR *
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF *
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS *
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
* *
* ========================================================================= */
#ifndef OPENMESH_SMARTHANDLES_HH
#define OPENMESH_SMARTHANDLES_HH
//== INCLUDES =================================================================
#include "Handles.hh"
//== NAMESPACES ===============================================================
namespace OpenMesh {
//== FORWARD DECLARATION ======================================================
class PolyConnectivity;
struct SmartVertexHandle;
struct SmartHalfedgeHandle;
struct SmartEdgeHandle;
struct SmartFaceHandle;
//== CLASS DEFINITION =========================================================
class SmartBaseHandle : public BaseHandle
{
public:
explicit SmartBaseHandle(int _idx=-1, PolyConnectivity* _mesh = nullptr) : BaseHandle(_idx), mesh_(_mesh) {}
/// Get the underlying mesh of this handle
PolyConnectivity* mesh() const { return mesh_; }
// TODO: should operators ==, !=, < look at mesh_?
private:
PolyConnectivity* mesh_;
};
struct SmartVertexHandle : public SmartBaseHandle, VertexHandle
{
explicit SmartVertexHandle(int _idx=-1, PolyConnectivity* _mesh = nullptr) : SmartBaseHandle(_idx, _mesh) {}
SmartHalfedgeHandle out();
SmartHalfedgeHandle halfedge(); // alias for out
SmartHalfedgeHandle in();
};
struct SmartHalfedgeHandle : public SmartBaseHandle, HalfedgeHandle
{
explicit SmartHalfedgeHandle(int _idx=-1, PolyConnectivity* _mesh = nullptr) : SmartBaseHandle(_idx, _mesh) {}
SmartHalfedgeHandle next();
SmartHalfedgeHandle prev();
SmartHalfedgeHandle opp();
SmartVertexHandle to();
SmartVertexHandle from();
SmartFaceHandle face();
};
struct SmartEdgeHandle : public SmartBaseHandle, EdgeHandle
{
explicit SmartEdgeHandle(int _idx=-1, PolyConnectivity* _mesh = nullptr) : SmartBaseHandle(_idx, _mesh) {}
SmartHalfedgeHandle h(unsigned int _i);
SmartHalfedgeHandle h0();
SmartHalfedgeHandle h1();
SmartVertexHandle v(unsigned int _i);
SmartVertexHandle v0();
SmartVertexHandle v1();
};
struct SmartFaceHandle : public SmartBaseHandle, FaceHandle
{
explicit SmartFaceHandle(int _idx=-1, PolyConnectivity* _mesh = nullptr) : SmartBaseHandle(_idx, _mesh) {}
SmartHalfedgeHandle halfedge();
};
inline SmartVertexHandle make_smart(VertexHandle _vh, PolyConnectivity* _mesh) { return SmartVertexHandle (_vh.idx(), _mesh); }
inline SmartHalfedgeHandle make_smart(HalfedgeHandle _vh, PolyConnectivity* _mesh) { return SmartHalfedgeHandle(_vh.idx(), _mesh); }
inline SmartEdgeHandle make_smart(EdgeHandle _vh, PolyConnectivity* _mesh) { return SmartEdgeHandle (_vh.idx(), _mesh); }
inline SmartFaceHandle make_smart(FaceHandle _vh, PolyConnectivity* _mesh) { return SmartFaceHandle (_vh.idx(), _mesh); }
//=============================================================================
} // namespace OpenMesh
//=============================================================================
#endif // OPENMESH_SMARTHANDLES_HH
//=============================================================================