Open Inventor Release 2024.1.3
 
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SoBBoxModelMatrixElement.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5 * UNPUBLISHED -- Rights reserved under the copyright laws of the United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) 1996-2017 BY FEI S.A.S, ***
42 *** BORDEAUX, FRANCE ***
43 *** ALL RIGHTS RESERVED ***
44**=======================================================================*/
45/*=======================================================================
46** Modified by : VSG (MMM YYYY)
47**=======================================================================*/
48
49
50#ifndef _SO_BBOX_MODEL_MATRIX_ELEMENT
51#define _SO_BBOX_MODEL_MATRIX_ELEMENT
52
53#include <Inventor/SbBasic.h>
54#include <Inventor/elements/SoModelMatrixElement.h>
55
56#ifdef _DEBUG
57#include <Inventor/threads/SbThreadLocalStorage.h>
58#endif
59
79SoEXTENDER_Documented class SoBBoxModelMatrixElement : public SoModelMatrixElement {
80
81 SO_ELEMENT_HEADER(SoBBoxModelMatrixElement);
82
83 public:
84
88 virtual void push(SoState *state);
89
95 static void reset(SoState *state, SoNode *node);
96
106 static void pushMatrix(SoState *state,
107 SbMatrix &matrix,
108 SbMatrix &localmatrix);
112 static void popMatrix(SoState *state,
113 const SbMatrix &matrix,
114 const SbMatrix &localmatrix);
115
116private:
117
119 virtual void init(SoState *state);
120
121 private:
122 // Initializes the SoBBoxModelMatrixElement class
123 static void initClass();
124 static void exitClass();
125
130 static void pushForwardMatrix(SoState *state, SbMatrix &matrix, SbMatrix &ftmatrix, SbMatrix &localmatrix);
131
136 static void popForwardMatrix(SoState *state, const SbMatrix &matrix, const SbMatrix &ftmatrix, const SbMatrix &localmatrix);
137
138 private:
139 // These all override the methods on SoModelMatrixElement to also
140 // set the SoLocalBBoxMatrixElement
141 virtual void makeEltIdentity();
142 virtual void setElt(const SbMatrix &matrix);
143 virtual void setElt(const SbMatrix &matrix, SbBool sendToGL);
144 virtual void multElt(const SbMatrix &matrix);
145 virtual void translateEltBy(const SbVec3f &translation);
146 virtual void rotateEltBy(const SbRotation &translation);
147 virtual void scaleEltBy(const SbVec3f &scaleFactor);
148
149 // These must never be called; they print debug errors if called:
150 virtual SbMatrix pushMatrixElt();
151 virtual void popMatrixElt(const SbMatrix &m);
152
154
155 private:
156 // Stores pointer to state so we can access the SoLocalBBoxMatrixElement
157 SoState* state;
158
159#ifdef _DEBUG
160 // This is used to make sure the pushMatrix/popMatrix methods are
161 // called correctly.
162 struct MTstruct
163 {
164 bool pushPopCallOK;
165 };
166 SB_THREAD_TLS_HEADER();
167#endif
168
169};
170
171inline void
172SoBBoxModelMatrixElement::setElt(const SbMatrix &matrix, SbBool )
173{
174 setElt(matrix);
175}
176
177#endif /* _SO_BBOX_MODEL_MATRIX_ELEMENT */
178
179
4x4 matrix class.
Definition SbMatrix.h:309
Class for representing a rotation.
Definition SbRotation.h:126
3D vector class.
Definition SbVec.h:932
Stores the current model matrix for use with the SoGetBoundingBoxAction.
static void popMatrix(SoState *state, const SbMatrix &matrix, const SbMatrix &localmatrix)
See description for pushMatrix().
virtual void push(SoState *state)
Overrides push() method to copy values from next instance in the stack.
static void pushMatrix(SoState *state, SbMatrix &matrix, SbMatrix &localmatrix)
Because two model matrices are kept track of during the getBoundingBoxAction (the local model matrix,...
static void reset(SoState *state, SoNode *node)
Allows the SoGetBoundingBoxAction to reset the current model matrix to identity and all currently-ope...
Stores the current model matrix.
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