/usr/include/osg/Point is in libopenscenegraph-3.4-dev 3.4.1+dfsg1-3.
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 92 93 94 95 96 97 98 99 100 101 102 103 104 | /* -*-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_POINT
#define OSG_POINT 1
#include <osg/Vec3>
#include <osg/StateAttribute>
#ifndef GL_POINT_SMOOTH
#define GL_POINT_SMOOTH 0x0B10
#endif
#ifndef GL_POINT_SMOOTH_HINT
#define GL_POINT_SMOOTH_HINT 0x0C51
#endif
namespace osg {
/** Point - encapsulates the OpenGL point smoothing and size state.*/
class OSG_EXPORT Point : public StateAttribute
{
public :
Point();
Point(float size);
/** Copy constructor using CopyOp to manage deep vs shallow copy.*/
Point(const Point& point,const CopyOp& copyop=CopyOp::SHALLOW_COPY):
StateAttribute(point,copyop),
_size(point._size),
_fadeThresholdSize(point._fadeThresholdSize),
_distanceAttenuation(point._distanceAttenuation),
_minSize(point._minSize),
_maxSize(point._maxSize) {}
META_StateAttribute(osg, Point, POINT);
/** return -1 if *this < *rhs, 0 if *this==*rhs, 1 if *this>*rhs.*/
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(Point,sa)
// compare each parameter in turn against the rhs.
COMPARE_StateAttribute_Parameter(_size)
COMPARE_StateAttribute_Parameter(_fadeThresholdSize)
COMPARE_StateAttribute_Parameter(_distanceAttenuation)
COMPARE_StateAttribute_Parameter(_minSize)
COMPARE_StateAttribute_Parameter(_maxSize)
return 0; // passed all the above comparison macros, must be equal.
}
virtual bool getModeUsage(StateAttribute::ModeUsage& usage) const
{
usage.usesMode(GL_POINT_SMOOTH);
return true;
}
void setSize(float size);
inline float getSize() const { return _size; }
void setFadeThresholdSize(float fadeThresholdSize);
inline float getFadeThresholdSize() const { return _fadeThresholdSize; }
void setDistanceAttenuation(const Vec3& distanceAttenuation);
inline const Vec3& getDistanceAttenuation() const { return _distanceAttenuation; }
void setMinSize(float minSize);
inline float getMinSize() const {return _minSize;}
void setMaxSize(float maxSize);
inline float getMaxSize() const {return _maxSize;}
virtual void apply(State& state) const;
protected :
virtual ~Point();
float _size;
float _fadeThresholdSize;
Vec3 _distanceAttenuation;
float _minSize;
float _maxSize;
};
}
#endif
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