FrontFace
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/* -*-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_FRONTFACE
#define OSG_FRONTFACE 1
#include <osg/StateAttribute>
#include <osg/GL>
namespace osg {
class OSG_EXPORT FrontFace : public StateAttribute
{
public :
enum Mode {
CLOCKWISE = GL_CW,
COUNTER_CLOCKWISE = GL_CCW
};
FrontFace(Mode face=COUNTER_CLOCKWISE);
FrontFace(const FrontFace& ff,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
StateAttribute(ff,copyop),
_mode(ff._mode) {}
META_StateAttribute(osg, FrontFace, FRONTFACE);
virtual int compare(const StateAttribute& sa) const
{
// check the types are equal and then create the rhs variable
// used by the COMPARE_StateAttribute_Parameter macros below.
COMPARE_StateAttribute_Types(FrontFace,sa)
// compare each parameter in turn against the rhs.
COMPARE_StateAttribute_Parameter(_mode)
return 0; // passed all the above comparison macros, must be equal.
}
inline void setMode(Mode mode) { _mode = mode; }
inline Mode getMode() const { return _mode; }
virtual void apply(State& state) const;
protected:
virtual ~FrontFace();
Mode _mode;
};
}
#endif
StateAttribute
COMPARE_StateAttribute_Parameter
#define COMPARE_StateAttribute_Parameter(parameter)
Definition StateAttribute:69
COMPARE_StateAttribute_Types
#define COMPARE_StateAttribute_Types(TYPE, rhs_attribute)
Definition StateAttribute:57
osg::CopyOp
Definition CopyOp:41
osg::CopyOp::SHALLOW_COPY
@ SHALLOW_COPY
Definition CopyOp:47
osg::FrontFace::FrontFace
FrontFace(const FrontFace &ff, const CopyOp &copyop=CopyOp::SHALLOW_COPY)
Definition FrontFace:36
osg::FrontFace::Mode
Mode
Definition FrontFace:28
osg::FrontFace::COUNTER_CLOCKWISE
@ COUNTER_CLOCKWISE
Definition FrontFace:30
osg::FrontFace::CLOCKWISE
@ CLOCKWISE
Definition FrontFace:29
osg::FrontFace::_mode
Mode _mode
Definition FrontFace:64
osg::FrontFace::~FrontFace
virtual ~FrontFace()
osg::FrontFace::compare
virtual int compare(const StateAttribute &sa) const
Definition FrontFace:43
osg::FrontFace::apply
virtual void apply(State &state) const
osg::FrontFace::setMode
void setMode(Mode mode)
Definition FrontFace:55
osg::FrontFace::FrontFace
FrontFace(Mode face=COUNTER_CLOCKWISE)
osg::FrontFace::META_StateAttribute
META_StateAttribute(osg, FrontFace, FRONTFACE)
osg::FrontFace::getMode
Mode getMode() const
Definition FrontFace:56
osg::StateAttribute::StateAttribute
StateAttribute()
osg::StateAttribute::FRONTFACE
@ FRONTFACE
Definition StateAttribute:135
osg::State
Definition State:80
osg
Definition AlphaFunc:19
OSG_EXPORT
#define OSG_EXPORT
Definition osg/Export:39