panda3d/panda/src/display/lensStack.h
2002-02-26 00:07:26 +00:00

51 lines
1.4 KiB
C++

// Filename: lensStack.h
// Created by: drose (25Feb02)
//
////////////////////////////////////////////////////////////////////
//
// PANDA 3D SOFTWARE
// Copyright (c) 2001, Disney Enterprises, Inc. All rights reserved
//
// All use of this software is subject to the terms of the Panda 3d
// Software license. You should have received a copy of this license
// along with this source code; you will also find a current copy of
// the license at http://www.panda3d.org/license.txt .
//
// To contact the maintainers of this program write to
// panda3d@yahoogroups.com .
//
////////////////////////////////////////////////////////////////////
#ifndef LENSSTACK_H
#define LENSSTACK_H
#include <pandabase.h>
#include "lens.h"
class GraphicsStateGuardian;
////////////////////////////////////////////////////////////////////
// Class : LensStack
// Description : An instance of this kind of object is returned by
// GraphicsStateGuardian::push_lens(). It holds the
// information needed to restore the previous display
// region in the subsequent matching call to pop_lens().
////////////////////////////////////////////////////////////////////
class LensStack {
public:
INLINE LensStack();
INLINE ~LensStack();
INLINE LensStack(const LensStack &copy);
INLINE void operator =(const LensStack &copy);
private:
CPT(Lens) _lens;
int _stack_level;
friend class GraphicsStateGuardian;
};
#include "lensStack.I"
#endif