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