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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2016 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_ScissorIndexed
#define OSG_ScissorIndexed 1
#include <osg/Depth>
namespace osg {
/** Encapsulates glScissorIndexed function : the index version of glDepth
*/
class OSG_EXPORT ScissorIndexed : public osg::StateAttribute
{
public :
ScissorIndexed();
ScissorIndexed(unsigned int index, float x, float y, float width, float height):
_index(index),
_x(x),
_y(y),
_width(width),
_height(height) {}
/** Copy constructor using CopyOp to manage deep vs shallow copy. */
ScissorIndexed(const ScissorIndexed& dp,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
StateAttribute(dp,copyop),
_index(dp._index),
_x(dp._x),
_y(dp._y),
_width(dp._width),
_height(dp._height) {}
META_StateAttribute(osg, ScissorIndexed, SCISSORINDEXED);
/** Return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs. */
virtual int compare(const StateAttribute& sa) const
{
// Check for equal types, then create the rhs variable
// used by the COMPARE_StateAttribute_Parameter macros below.
COMPARE_StateAttribute_Types(ScissorIndexed,sa)
COMPARE_StateAttribute_Parameter(_index);
COMPARE_StateAttribute_Parameter(_x)
COMPARE_StateAttribute_Parameter(_y)
COMPARE_StateAttribute_Parameter(_width)
COMPARE_StateAttribute_Parameter(_height)
return 0;
}
/** Return the buffer index as the member identifier.*/
virtual unsigned int getMember() const { return _index; }
/** Set the index of the ScissorIndexed. */
void setIndex(unsigned int index);
/** Get the index of the ScissorIndexed. */
unsigned int getIndex() const { return _index; }
inline void setX(float x) { _x=x; }
inline float getX() const { return _x; }
inline void setY(float y) { _y=y; }
inline float getY() const { return _y; }
inline void setWidth(float w) { _width=w; }
inline float getWidth() const { return _width; }
inline void setHeight(float height) { _height=height; }
inline float getHeight() const { return _height; }
virtual void apply(State& state) const;
protected:
virtual ~ScissorIndexed();
unsigned int _index;
float _x;
float _y;
float _width;
float _height;
};
}
#endif
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