/usr/include/osgUtil/TriStripVisitor is in libopenscenegraph-dev 3.2.0~rc1-4.
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 | /* -*-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 OSGUTIL_TRISTRIPVISITOR
#define OSGUTIL_TRISTRIPVISITOR 1
#include <osg/NodeVisitor>
#include <osg/Geode>
#include <osg/Geometry>
#include <osgUtil/Optimizer>
#include <set>
namespace osgUtil {
/** A tri stripping visitor for converting Geometry surface primitives into tri strips.
* The current implemention is based upon Tanguy Fautre's triangulation code.
*/
class OSGUTIL_EXPORT TriStripVisitor : public BaseOptimizerVisitor
{
public:
/// default to traversing all children.
TriStripVisitor(Optimizer* optimizer=0) :
BaseOptimizerVisitor( optimizer, Optimizer::TRISTRIP_GEOMETRY),
_cacheSize( 16 ),
_minStripSize( 2 ),
_generateFourPointPrimitivesQuads ( false)
{}
/** Convert mesh primitives in Geometry into Tri Strips.
* Converts all primitive types except points
* and lines, linestrips which it leaves unchanged.
*/
void stripify(osg::Geometry& drawable);
/** Stripify (make into strips of tria or quads) the accumulated list of Geometry drawables.*/
void stripify();
/// Accumulate the Geometry drawables to make into strips.
virtual void apply(osg::Geode& geode);
inline void setCacheSize( unsigned int size )
{
_cacheSize = size;
}
inline unsigned int getCacheSize() const
{
return _cacheSize;
}
inline void setMinStripSize( unsigned int size )
{
_minStripSize = size;
}
inline unsigned int getMinStripSize() const
{
return _minStripSize;
}
void setGenerateFourPointPrimitivesQuads(bool flag) { _generateFourPointPrimitivesQuads = flag; }
bool getGenerateFourPointPrimitivesQuads() const { return _generateFourPointPrimitivesQuads; }
private:
typedef std::set<osg::Geometry*> GeometryList;
unsigned int _cacheSize;
unsigned int _minStripSize;
GeometryList _geometryList;
bool _generateFourPointPrimitivesQuads;
};
}
#endif
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