/usr/include/avogadro/glhit.h is in libavogadro-dev 1.2.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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GLHit - detect mouse clicks and the objects hit
Copyright (C) 2006-2009 Geoffrey R. Hutchison
Copyright (C) 2006,2007 Donald Ephraim Curtis
Copyright (C) 2007-2009 Marcus D. Hanwell
This file is part of the Avogadro molecular editor project.
For more information, see <http://avogadro.cc/>
Avogadro is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
Avogadro 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
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.
**********************************************************************/
#ifndef GLHIT_H
#define GLHIT_H
#include <avogadro/global.h>
#ifdef ENABLE_GLSL
#include <GL/glew.h>
#endif
#include <QGLWidget>
namespace Avogadro {
/**
* @class GLHit glwidget.h <avogadro/glhit.h>
* @brief Hits from OpenGL selections/picking.
* @author Donald Ephraim Curtis
*
* Provides an easy to use class to contain OpenGL hits returned from the
* process of picking. This class relies on the %Engine subclasses properly
* naming the objects that they are rendering. For more information see the
* Engine documentation.
*/
class GLHitPrivate;
class A_EXPORT GLHit
{
public:
/**
* Blank constructor.
*/
GLHit();
/**
* Copy constructor.
*/
GLHit(const GLHit &glHit);
/**
* Constructor.
* @param type The type of the OpenGL object that was picked which corresponds
* to the Primitive::Type for the object
* (i.e. type==Primitive::AtomType means an Atom was picked).
* @param name The name of the OpenGL object that was picked corresponding
* to the primitive index
* (i.e. name==1 means Atom 1).
* @param minZ minimum window Z value of the hit
* @param maxZ maximum window Z value of the hit
*/
GLHit(GLuint type, GLuint name, GLuint minZ, GLuint maxZ);
/**
* Destructor.
*/
~GLHit();
/**
* Less than operator.
* @param other the other GLHit object to compare to.
* @return (this->minZ < other->minZ) ? @c true : @c false
*/
bool operator<(const GLHit &other) const;
/**
* Equivalence operator.
* @param other the other GLHit object to test equivalence with.
* @return returns true if all elements are equivalent (type, name, minZ, maxZ).
*/
bool operator==(const GLHit &other) const;
/**
* Copy operator.
* @param other the GLHit object to set this object equal to.
* @return *this
*/
GLHit &operator=(const GLHit &other);
/**
* @return type of the object that was picked.
*/
GLuint type() const;
/**
* @return name of the object that was picked.
*/
GLuint name() const;
/**
* @return the minimum z value of this hit corresponding
* to the z value of the drawn object closest to the camera.
*/
GLuint minZ() const;
/**
* @return the maximum z value of this hit corresponding
* to the z value of the drawn object farthest from the camera.
*/
GLuint maxZ() const;
/**
* @param type new object type.
*/
void setType(GLuint type);
/**
* @param name new object name.
*/
void setName(GLuint name);
/**
* @param minZ minimum z value to set for this object.
*/
void setMinZ(GLuint minZ);
/**
* @param maxZ maximum z value to set for this object.
*/
void setMaxZ(GLuint maxZ);
private:
GLHitPrivate * const d;
};
} // End namespace Avogadro
#endif // GLHIT_H
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