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/*
*
* Copyright (C) 2000 Silicon Graphics, Inc. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* 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 GNU
* Lesser General Public License for more details.
*
* Further, this software is distributed without any warranty that it is
* free of the rightful claim of any third person regarding infringement
* or the like. Any license provided herein, whether implied or
* otherwise, applies only to this software file. Patent licenses, if
* any, provided herein do not apply to combinations of this program with
* other software, or any other product whatsoever.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
* Mountain View, CA 94043, or:
*
* http://www.sgi.com
*
* For further information regarding this notice, see:
*
* http://oss.sgi.com/projects/GenInfo/NoticeExplan/
*
*/
// -*- C++ -*-
/*
* Copyright (C) 1990,91 Silicon Graphics, Inc.
*
_______________________________________________________________________
______________ S I L I C O N G R A P H I C S I N C . ____________
|
| $Revision: 1.1.1.1 $
|
| Description:
| This file defines the SoNormalBindingElement class.
|
| Author(s) : Paul S. Strauss
|
______________ S I L I C O N G R A P H I C S I N C . ____________
_______________________________________________________________________
*/
#ifndef _SO_NORMAL_BINDING_ELEMENT
#define _SO_NORMAL_BINDING_ELEMENT
#include <Inventor/elements/SoInt32Element.h>
//////////////////////////////////////////////////////////////////////////////
//
// Class: SoNormalBindingElement
//
// Element that stores the current normal binding.
//
//////////////////////////////////////////////////////////////////////////////
SoEXTENDER class SoNormalBindingElement : public SoInt32Element {
SO_ELEMENT_HEADER(SoNormalBindingElement);
public:
// The (seemingly random) choice of values is for compatibility
// with Inventor 2.0 binary format files:
enum Binding {
OVERALL = 2, // Whole object has same normal
PER_PART = 3, // One normal for each part of object
PER_PART_INDEXED = 4, // One normal for each part, indexed
PER_FACE = 5, // One normal for each face of object
PER_FACE_INDEXED = 6, // One normal for each face, indexed
PER_VERTEX = 7, // One normal for each vertex
PER_VERTEX_INDEXED = 8 // One normal for each vertex, indexed
// C-api: end
#ifndef IV_STRICT
// Obsolete bindings:
, // Comma to continue list
// C-api: begin
DEFAULT = PER_VERTEX_INDEXED,
NONE = OVERALL
// C-api: end
#endif
// C-api: begin
};
// Initializes element
virtual void init(SoState *state);
// Sets the current normal binding in the state
static void set(SoState *state, Binding binding)
{ SoInt32Element::set(classStackIndex, state, (int32_t)binding); }
#ifndef IV_STRICT
static void set(SoState *state, SoNode *, Binding binding)
{ set(state, binding); }
#endif
// Returns current normal binding from the state
static Binding get(SoState *state)
{ return (Binding)SoInt32Element::get(classStackIndex, state); }
// Returns the default normal binding
static Binding getDefault() { return PER_VERTEX_INDEXED; }
// Prints element (for debugging)
virtual void print(FILE *fp) const;
SoINTERNAL public:
// Initializes the SoNormalBindingElement class
static void initClass();
protected:
virtual ~SoNormalBindingElement();
};
#endif /* _SO_NORMAL_BINDING_ELEMENT */
|
