00001 /*======================================================================= 00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States. Use of a copyright notice is precautionary only and does not 00007 * imply publication or disclosure. 00008 * 00009 * U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND: 00010 * Use, duplication or disclosure by the Government is subject to restrictions 00011 * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights 00012 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or 00013 * in similar or successor clauses in the FAR, or the DOD or NASA FAR 00014 * Supplement. Contractor/manufacturer is Silicon Graphics, Inc., 00015 * 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311. 00016 * 00017 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY 00018 * INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION, 00019 * DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY 00020 * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON 00021 * GRAPHICS, INC. 00022 **=======================================================================*/ 00023 /*======================================================================= 00024 ** Author : Thad Beier (MMM yyyy) 00025 ** Modified by : Dave Immel (MMM yyyy) 00026 ** Modified by : Paul Strauss (MMM yyyy) 00027 **=======================================================================*/ 00028 /*======================================================================= 00029 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), *** 00030 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. *** 00031 *** *** 00032 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS *** 00033 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR *** 00034 *** WRITTEN AUTHORIZATION OF FEI S.A.S. *** 00035 *** *** 00036 *** RESTRICTED RIGHTS LEGEND *** 00037 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS *** 00038 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN *** 00039 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT *** 00040 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN *** 00041 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. *** 00042 *** *** 00043 *** COPYRIGHT (C) 1996-2020 BY FEI S.A.S, *** 00044 *** BORDEAUX, FRANCE *** 00045 *** ALL RIGHTS RESERVED *** 00046 **=======================================================================*/ 00047 /*======================================================================= 00048 ** Modified by : VSG (MMM YYYY) 00049 **=======================================================================*/ 00050 00051 00052 #ifndef _SO_LINEAR_PROFILE_ 00053 #define _SO_LINEAR_PROFILE_ 00054 00055 #include <Inventor/nodes/SoProfile.h> 00056 00058 // 00059 // Class: SoLinearProfile 00060 // 00061 // Piecwise linear 2D profile. The profile is defined as line 00062 // segments between the current profile coordinates. 00063 // 00065 00066 // This value, when used as the last value of the index field, 00067 // the coordinates, starting from the last index+1 (zero if there is 00068 // only one value in the index field). 00069 #define SO_LINEAR_PROFILE_USE_REST_OF_VERTICES (-1) 00070 00113 class SoLinearProfile : public SoProfile{ 00114 00115 SO_NODE_HEADER(SoLinearProfile); 00116 00117 public: 00118 // Inherits all fields from parent class 00119 00123 SoLinearProfile(); 00124 00125 private: 00126 // Returns a profile as a trim curve. 00127 // floatsPerVec will be either 2 or 3 depending on whether the 00128 // curve is non-rational or rational. 00129 virtual void getTrimCurve(SoState *state, int32_t &numPoints, 00130 float *&points, int &floatsPerVec, 00131 int32_t &numKnots, float *&knotVector); 00132 00133 // Returns vertices defining the profile 00134 virtual void getVertices(SoState *state, int32_t &nVertices, 00135 SbVec2f *&vertices); 00136 00137 private: 00138 static void initClass(); 00139 static void exitClass(); 00140 00141 private: 00142 virtual ~SoLinearProfile(); 00143 }; 00144 00145 #endif /* _SO_LINEAR_PROFILE_ */ 00146 00147