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SoLinearProfile.h
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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5 * UNPUBLISHED -- Rights reserved under the copyright laws of the United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 : Thad Beier (MMM yyyy)
25** Modified by : Dave Immel (MMM yyyy)
26** Modified by : Paul Strauss (MMM yyyy)
27**=======================================================================*/
28/*=======================================================================
29 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), ***
30 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. ***
31 *** ***
32 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS ***
33 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR ***
34 *** WRITTEN AUTHORIZATION OF FEI S.A.S. ***
35 *** ***
36 *** RESTRICTED RIGHTS LEGEND ***
37 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS ***
38 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN ***
39 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT ***
40 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN ***
41 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. ***
42 *** ***
43 *** COPYRIGHT (C) 1996-2014 BY FEI S.A.S, ***
44 *** BORDEAUX, FRANCE ***
45 *** ALL RIGHTS RESERVED ***
46**=======================================================================*/
47/*=======================================================================
48** Modified by : VSG (MMM YYYY)
49**=======================================================================*/
50
51
52#ifndef _SO_LINEAR_PROFILE_
53#define _SO_LINEAR_PROFILE_
54
56
58//
59// Class: SoLinearProfile
60//
61// Piecwise linear 2D profile. The profile is defined as line
62// segments between the current profile coordinates.
63//
65
66// This value, when used as the last value of the index field,
67// the coordinates, starting from the last index+1 (zero if there is
68// only one value in the index field).
69#define SO_LINEAR_PROFILE_USE_REST_OF_VERTICES (-1)
70
113
115
116 public:
117 // Inherits all fields from parent class
118
123
124 private:
125 // Returns a profile as a trim curve.
126 // floatsPerVec will be either 2 or 3 depending on whether the
127 // curve is non-rational or rational.
128 virtual void getTrimCurve(SoState *state, int32_t &numPoints,
129 float *&points, int &floatsPerVec,
130 int32_t &numKnots, float *&knotVector);
131
132 // Returns vertices defining the profile
133 virtual void getVertices(SoState *state, int32_t &nVertices,
134 SbVec2f *&vertices);
135
136 private:
137 static void initClass();
138 static void exitClass();
139
140 private:
141 virtual ~SoLinearProfile();
142};
143
144#endif /* _SO_LINEAR_PROFILE_ */
145
#define SO_NODE_HEADER(className)
Definition SoSubNode.h:151
2D vector class.
Definition SbVec.h:76
Piecewise-linear profile curve.
SoLinearProfile()
Creates a linear profile node with default settings.
Abstract base class for all profile nodes.
Definition SoProfile.h:116
Traversal state.
Definition SoState.h:74