Open Inventor Release 2024.1.3
 
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SoLightModelElement.h
1/*=======================================================================
2 * Copyright 1991-1996, Silicon Graphics, Inc.
3 * ALL RIGHTS RESERVED
4 *
5 * UNPUBLISHED -- Rights reserved under the copyright laws of the United
6 * States. Use of a copyright notice is precautionary only and does not
7 * imply publication or disclosure.
8 *
9 * U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND:
10 * Use, duplication or disclosure by the Government is subject to restrictions
11 * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights
12 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or
13 * in similar or successor clauses in the FAR, or the DOD or NASA FAR
14 * Supplement. Contractor/manufacturer is Silicon Graphics, Inc.,
15 * 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311.
16 *
17 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY
18 * INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION,
19 * DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY
20 * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON
21 * GRAPHICS, INC.
22**=======================================================================*/
23/*=======================================================================
24** Author : Paul S. Strauss (MMM yyyy)
25**=======================================================================*/
26/*=======================================================================
27 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), ***
28 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. ***
29 *** ***
30 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS ***
31 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR ***
32 *** WRITTEN AUTHORIZATION OF FEI S.A.S. ***
33 *** ***
34 *** RESTRICTED RIGHTS LEGEND ***
35 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS ***
36 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN ***
37 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT ***
38 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN ***
39 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. ***
40 *** ***
41 *** COPYRIGHT (C) 1996-2023 BY FEI S.A.S, ***
42 *** BORDEAUX, FRANCE ***
43 *** ALL RIGHTS RESERVED ***
44**=======================================================================*/
45/*=======================================================================
46** Modified by : VSG (MMM YYYY)
47**=======================================================================*/
48
49#ifndef _SO_LIGHT_MODEL_ELEMENT
50#define _SO_LIGHT_MODEL_ELEMENT
51
52#include <Inventor/SbBasic.h>
53#include <Inventor/elements/SoReplacedElement.h>
54
55class SoState;
56class SoNode;
57
69SoEXTENDER_Documented class SoLightModelElement : public SoElement {
70
71 SO_ELEMENT_HEADER(SoLightModelElement);
72
73 public:
99
103 static void set(SoState *state, Model model);
107 static void set(SoState *state, SoNode *, Model model);
108
112 static Model get(SoState *state);
113
118
119private:
120 static void initClass();
121 static void exitClass();
122
124 enum ViewVectorType
125 {
134 FIXED,
135
145 ORIGIN,
146
154 PROJECTION,
155 };
156
160 static ViewVectorType getDefaultViewVectorType();
161
165 static void setViewVectorType(SoState* state, ViewVectorType viewVectorType);
166
170 static ViewVectorType getViewVectorType(SoState* state);
171
173 void push(SoState* state) override;
174
175private:
177 virtual SbBool matches(const SoElement* elt) const;
178
180 virtual SoElement* copyMatchInfo() const;
181
182 virtual void init(SoState *state);
183
184 virtual ~SoLightModelElement();
185
186private:
187 Model m_model;
188 ViewVectorType m_viewVecType;
189};
190
191#endif /* _SO_LIGHT_MODEL_ELEMENT */
192
Abstract base class for all state elements.
Definition SoElement.h:102
Stores the current lighting model.
static Model getDefault()
Returns the default lighting model.
Model
These are the available lighting models.
@ PHYSICALLY_BASED
Physically based lighting.
@ BASE_COLOR
No lighting; just use base color.
@ PER_PIXEL_PHONG
Per-pixel Phong lighting.
@ PER_VERTEX_PHONG
Per-vertex Phong lighting.
static Model get(SoState *state)
Returns current lighting model from the state.
static void set(SoState *state, SoNode *, Model model)
Sets the current lighting model in the state.
static void set(SoState *state, Model model)
Sets the current lighting model in the state.
Abstract base class for all database nodes.
Definition SoNode.h:145
Traversal state.
Definition SoState.h:74
int SbBool
Boolean type.
Definition SbBase.h:87