179 lines
6.7 KiB
C++
179 lines
6.7 KiB
C++
/* ========================================================================= *
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* *
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* OpenMesh *
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* Copyright (c) 2001-2023, 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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//=============================================================================
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//
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// CLASS Status
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//
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//=============================================================================
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#ifndef OPENMESH_ATTRIBUTE_STATUS_HH
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#define OPENMESH_ATTRIBUTE_STATUS_HH
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//== INCLUDES =================================================================
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#include <OpenMesh/Core/System/config.h>
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//== NAMESPACES ===============================================================
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namespace OpenMesh {
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namespace Attributes {
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//== CLASS DEFINITION ========================================================
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/** Status bits used by the Status class.
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* \see OpenMesh::Attributes::StatusInfo
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*/
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enum StatusBits {
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DELETED = 1, ///< Item has been deleted
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LOCKED = 2, ///< Item is locked.
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SELECTED = 4, ///< Item is selected.
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HIDDEN = 8, ///< Item is hidden.
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FEATURE = 16, ///< Item is a feature or belongs to a feature.
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TAGGED = 32, ///< Item is tagged.
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TAGGED2 = 64, ///< Alternate bit for tagging an item.
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FIXEDNONMANIFOLD = 128, ///< Item was non-two-manifold and had to be fixed
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UNUSED = 256 ///< Unused
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};
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/** \class StatusInfo Status.hh <OpenMesh/Attributes/Status.hh>
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*
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* Add status information to a base class.
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*
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* \see StatusBits
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*/
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class StatusInfo
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{
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public:
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typedef unsigned int value_type;
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StatusInfo() : status_(0) {}
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/// is deleted ?
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bool deleted() const { return is_bit_set(DELETED); }
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/// set deleted
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void set_deleted(bool _b) { change_bit(DELETED, _b); }
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/// is locked ?
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bool locked() const { return is_bit_set(LOCKED); }
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/// set locked
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void set_locked(bool _b) { change_bit(LOCKED, _b); }
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/// is selected ?
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bool selected() const { return is_bit_set(SELECTED); }
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/// set selected
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void set_selected(bool _b) { change_bit(SELECTED, _b); }
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/// is hidden ?
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bool hidden() const { return is_bit_set(HIDDEN); }
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/// set hidden
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void set_hidden(bool _b) { change_bit(HIDDEN, _b); }
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/// is feature ?
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bool feature() const { return is_bit_set(FEATURE); }
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/// set feature
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void set_feature(bool _b) { change_bit(FEATURE, _b); }
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/// is tagged ?
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bool tagged() const { return is_bit_set(TAGGED); }
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/// set tagged
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void set_tagged(bool _b) { change_bit(TAGGED, _b); }
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/// is tagged2 ? This is just one more tag info.
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bool tagged2() const { return is_bit_set(TAGGED2); }
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/// set tagged
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void set_tagged2(bool _b) { change_bit(TAGGED2, _b); }
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/// is fixed non-manifold ?
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bool fixed_nonmanifold() const { return is_bit_set(FIXEDNONMANIFOLD); }
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/// set fixed non-manifold
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void set_fixed_nonmanifold(bool _b) { change_bit(FIXEDNONMANIFOLD, _b); }
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/// return whole status
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unsigned int bits() const { return status_; }
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/// set whole status at once
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void set_bits(unsigned int _bits) { status_ = _bits; }
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/// is a certain bit set ?
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bool is_bit_set(unsigned int _s) const { return (status_ & _s) > 0; }
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/// set a certain bit
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void set_bit(unsigned int _s) { status_ |= _s; }
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/// unset a certain bit
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void unset_bit(unsigned int _s) { status_ &= ~_s; }
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/// set or unset a certain bit
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void change_bit(unsigned int _s, bool _b) {
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if (_b) status_ |= _s; else status_ &= ~_s; }
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private:
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value_type status_;
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};
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//=============================================================================
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} // namespace Attributes
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} // namespace OpenMesh
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//=============================================================================
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#endif // OPENMESH_ATTRIBUTE_STATUS_HH defined
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//=============================================================================
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