OpenSceneGraph/include/osg/PolygonStipple
2005-04-14 21:41:28 +00:00

63 lines
1.7 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2005 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.
*/
// -*- Mode: c++ -*-
#ifndef OSG_POLYGONSTIPPLE
#define OSG_POLYGONSTIPPLE 1
#include <osg/StateAttribute>
namespace osg
{
class OSG_EXPORT PolygonStipple : public StateAttribute
{
public :
PolygonStipple();
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
PolygonStipple(const PolygonStipple& lw,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
META_StateAttribute(osg, PolygonStipple, POLYGONSTIPPLE);
/** return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.*/
virtual int compare(const StateAttribute& sa) const;
virtual bool getModeUsage(ModeUsage& usage) const
{
usage.usesMode(GL_POLYGON_STIPPLE);
return true;
}
/** set the mask up, copying 128 bytes (32x32 bitfield) from mask into the local _mask.*/
void setMask(const GLubyte* mask);
/** get a pointer to the mask.*/
inline const GLubyte* getMask() const {return _mask;}
virtual void apply(State& state) const;
protected :
virtual ~PolygonStipple();
GLubyte _mask[128];
};
}
#endif