40 lines
1.2 KiB
C++
40 lines
1.2 KiB
C++
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
|
|
*
|
|
* This library is open source and may be redistributed and/or modified under
|
|
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
|
|
* (at your option) any later version. The full license is in LICENSE file
|
|
* included with this distribution, and on the openscenegraph.org website.
|
|
*
|
|
* This library 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
|
|
* OpenSceneGraph Public License for more details.
|
|
*/
|
|
#ifndef OSG_STATEATTRIBUTECALLBACK
|
|
#define OSG_STATEATTRIBUTECALLBACK 1
|
|
|
|
#include <osg/Export>
|
|
#include <osg/Object>
|
|
|
|
namespace osg {
|
|
|
|
class StateAttribute;
|
|
class NodeVisitor;
|
|
|
|
class OSG_EXPORT StateAttributeCallback : public virtual osg::Object
|
|
{
|
|
public:
|
|
StateAttributeCallback() {}
|
|
|
|
StateAttributeCallback(const StateAttributeCallback&,const CopyOp&) {}
|
|
|
|
META_Object(osg,StateAttributeCallback);
|
|
|
|
/** do customized update code.*/
|
|
virtual void operator () (StateAttribute*, NodeVisitor*) {}
|
|
};
|
|
|
|
}
|
|
|
|
#endif
|