/usr/include/osgEarth/OverlayNode is in libosgearth-dev 2.7.0+dfsg-2+b3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 | /* -*-c++-*- */
/* osgEarth - Dynamic map generation toolkit for OpenSceneGraph
* Copyright 2008-2011 Pelican Mapping
* http://osgearth.org
*
* osgEarth is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>
*/
#ifndef OSGEARTH_OVERLAY_NODE_H
#define OSGEARTH_OVERLAY_NODE_H 1
#include <osgEarth/Common>
#include <osgEarth/MapNodeObserver>
#include <osg/Group>
namespace osgEarth
{
class MapNode;
/**
* Abstract base class for a node that injects geometry into the MapNode's
* OverlayDecorator.
*/
class OSGEARTH_EXPORT OverlayNode : public osg::Group,
public MapNodeObserver
{
public:
// signature for the function that provides the technique group.
typedef osg::Group* (*TechniqueProvider)(MapNode*);
public:
/**
* Constructs a new overlay node.
*/
OverlayNode( MapNode* mapNode, bool active, TechniqueProvider f =0L );
public:
/**
* Whether overlay is active. If true, the subgraph renders as a
* terrain overlay; If false it renders normally.
*/
void setActive( bool value );
bool getActive() const { return _active; }
public: // MapNodeObserver
void setMapNode( MapNode* mapNode );
MapNode* getMapNode() { return _mapNode.get(); }
/** Sets the method that returns the technique group or overlay nodes */
void setTechniqueProvider(TechniqueProvider provider);
public: // osg::Node
virtual void traverse( osg::NodeVisitor& nv );
public: // osg::Group
// override these in order to manage the proxy container.
virtual bool addChild( osg::Node* child );
virtual bool insertChild( unsigned index, osg::Node* child );
virtual bool removeChild( osg::Node* child );
virtual bool replaceChild( osg::Node* origChild, osg::Node* newChild );
protected:
/** dtor */
virtual ~OverlayNode();
osg::ref_ptr<osg::Group> _overlayProxyContainer;
private:
bool _active;
bool _dirty;
bool _newActive;
osg::observer_ptr<MapNode> _mapNode;
TechniqueProvider _getGroup;
void applyChanges();
};
} // namespace osgEarth
#endif // OSGEARTH_OVERLAY_NODE_H
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