e5579db355
git-svn-id: http://www.openmesh.org/svnrepo/OpenMesh/trunk@1204 fdac6126-5c0c-442c-9429-916003d36597
122 lines
5.0 KiB
C++
122 lines
5.0 KiB
C++
/*===========================================================================*\
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* *
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* OpenMesh *
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* Copyright (C) 2001-2015 by Computer Graphics Group, RWTH Aachen *
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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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* OpenMesh is free software: you can redistribute it and/or modify *
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* it under the terms of the GNU Lesser General Public License as *
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* published by the Free Software Foundation, either version 3 of *
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* the License, or (at your option) any later version with the *
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* following exceptions: *
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* *
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* If other files instantiate templates or use macros *
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* or inline functions from this file, or you compile this file and *
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* link it with other files to produce an executable, this file does *
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* not by itself cause the resulting executable to be covered by the *
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* GNU Lesser General Public License. This exception does not however *
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* invalidate any other reasons why the executable file might be *
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* covered by the GNU Lesser General Public License. *
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* *
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* OpenMesh is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU Lesser General Public License for more details. *
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* *
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* You should have received a copy of the GNU LesserGeneral Public *
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* License along with OpenMesh. If not, *
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* see <http://www.gnu.org/licenses/>. *
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* *
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\*===========================================================================*/
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/*===========================================================================*\
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* *
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* $Revision: 1199 $ *
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* $Date: 2015-01-16 08:47:33 +0100 (Fr, 16 Jan 2015) $ *
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* *
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\*===========================================================================*/
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/** \file Observer.hh
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*
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* This file contains an observer class which is used to monitor the progress
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* of an decimater.
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*
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*/
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//=============================================================================
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//
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// CLASS Observer
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//
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//=============================================================================
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#pragma once
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//== INCLUDES =================================================================
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#include <cstddef>
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#include <OpenMesh/Core/System/config.h>
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//== NAMESPACE ================================================================
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namespace OpenMesh {
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namespace Decimater {
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//== CLASS DEFINITION =========================================================
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/** \brief Observer class
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*
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* Observers can be used to monitor the progress of the decimation and to
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* abort it in between.
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*/
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class OPENMESHDLLEXPORT Observer
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{
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public:
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/** Create an observer
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*
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* @param _notificationInterval Interval of decimation steps between notifications.
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*/
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Observer(size_t _notificationInterval);
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/// Destructor
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virtual ~Observer();
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/// Get the interval between notification steps
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size_t get_interval() const;
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/// Set the interval between notification steps
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void set_interval(size_t _notificationInterval);
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/** \brief callback
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*
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* This function has to be overloaded. It will be called regularly during
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* the decimation process and will return the current step.
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*
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* @param _step Current step of the decimater
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*/
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virtual void notify(size_t _step) = 0;
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/** \brief Abort callback
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*
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* After each notification, this function is called by the decimater. If the
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* function returns true, the decimater will stop at a consistent state. Otherwise
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* it will continue.
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*
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* @return abort Yes or No
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*/
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virtual bool abort() const;
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private:
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size_t notificationInterval_;
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};
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//=============================================================================
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} // END_NS_DECIMATER
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} // END_NS_OPENMESH
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//=============================================================================
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