1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
2 *
3 * This library is open source and may be redistributed and/or modified under
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version.  The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11 * OpenSceneGraph Public License for more details.
12*/
13
14#ifndef OSGUTIL_TRANSFORMATTRIBUTEFUNCTOR
15#define OSGUTIL_TRANSFORMATTRIBUTEFUNCTOR 1
16
17#include <osg/Drawable>
18#include <osg/Notify>
19
20#include <osgUtil/Export>
21
22namespace osgUtil {
23
24/** Functor for transforming a drawable's vertex and normal attributes by specified matrix.
25  * typically used for flattening transform down onto drawable leaves. */
26class OSGUTIL_EXPORT TransformAttributeFunctor : public osg::Drawable::AttributeFunctor
27{
28    public:
29
30        /** Construct a functor to transform a drawable's vertex and normal attributes by specified matrix.*/
31        TransformAttributeFunctor(const osg::Matrix& m);
32
33        virtual ~TransformAttributeFunctor();
34
35        /** Do the work of transforming vertex and normal attributes. */
36        virtual void apply(osg::Drawable::AttributeType type,unsigned int count,osg::Vec3* begin);
37        virtual void apply(osg::Drawable::AttributeType type,unsigned int count,osg::Vec3d* begin);
38
39        osg::Matrix _m;
40        osg::Matrix _im;
41
42};
43
44}
45
46#endif
47