73 lines
2.8 KiB
Plaintext
73 lines
2.8 KiB
Plaintext
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/* -*-c++-*- */
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/* osgEarth - Geospatial SDK for OpenSceneGraph
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* Copyright 2020 Pelican Mapping
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* http://osgearth.org
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*
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* osgEarth 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 published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program 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 Lesser General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>
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*/
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#ifndef OSGEARTH_MAP_MODEL_CHANGE_H
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#define OSGEARTH_MAP_MODEL_CHANGE_H 1
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#include <osgEarth/Common>
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#include <osgEarth/Revisioning>
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#include <osgEarth/ImageLayer>
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#include <osgEarth/ElevationLayer>
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#include <osgEarth/ModelLayer>
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#include <osgEarth/TerrainConstraintLayer>
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namespace osgEarth
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{
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/**
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* Conveys atomic change actions to the map data model.
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*/
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struct MapModelChange /* no export, header-only */
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{
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enum ActionType
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{
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BEGIN_BATCH_UPDATE, // signals the start of multiple changes
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END_BATCH_UPDATE, // signals the end of multiple changes
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ADD_LAYER,
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REMOVE_LAYER,
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MOVE_LAYER,
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OPEN_LAYER,
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CLOSE_LAYER,
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UNSPECIFIED
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};
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MapModelChange() : _action(UNSPECIFIED), _firstIndex(0), _secondIndex(0) { }
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MapModelChange( ActionType action, Revision mapModeRev, Layer* layer =0L, int firstIndex =-1, int secondIndex =-1 )
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: _action(action), _layer(layer), _modelRevision(mapModeRev), _firstIndex(firstIndex), _secondIndex(secondIndex) { }
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const ActionType& getAction() const { return _action; }
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const Revision& getRevision() const { return _modelRevision; }
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int getFirstIndex() const { return _firstIndex; }
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int getSecondIndex() const { return _secondIndex; }
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Layer* getLayer() const { return _layer.get(); }
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ImageLayer* getImageLayer() const { return dynamic_cast<ImageLayer*>(_layer.get()); }
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ElevationLayer* getElevationLayer() const { return dynamic_cast<ElevationLayer*>(_layer.get()); }
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ModelLayer* getModelLayer() const { return dynamic_cast<ModelLayer*>(_layer.get()); }
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TerrainConstraintLayer* getConstraintLayer() const { return dynamic_cast<TerrainConstraintLayer*>(_layer.get()); }
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private:
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ActionType _action;
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osg::ref_ptr<Layer> _layer;
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Revision _modelRevision;
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int _firstIndex, _secondIndex;
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};
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}
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#endif // OSGEARTH_MAP_MODEL_CHANGE_H
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