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00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States.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) 1996-2019 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_PROFILE_ 00053 #define _SO_PROFILE_ 00054 00055 #include <Inventor/SbLinear.h> 00056 #include <Inventor/elements/SoProfileElement.h> 00057 #include <Inventor/fields/SoMFInt32.h> 00058 #include <Inventor/fields/SoSFEnum.h> 00059 #include <Inventor/nodes/SoNode.h> 00060 00062 // 00063 // Class: SoProfile 00064 // 00065 // Abstract base class of 2D profiles. These profiles are used as trim 00066 // curves for nurbs and bevels for 3D text. The two (so far) subclasses 00067 // are SoLinearProfile and SoNurbsProfile 00068 // 00070 00116 class SoProfile : public SoNode{ 00117 00118 SO_NODE_ABSTRACT_HEADER(SoProfile); 00119 00120 public: 00122 enum Profile { 00126 START_FIRST = SoProfileElement::START_FIRST, 00130 START_NEW = SoProfileElement::START_NEW, 00134 ADD_TO_CURRENT = SoProfileElement::ADD_TO_CURRENT 00135 }; 00136 00137 // Fields 00142 SoMFInt32 index; 00147 SoSFEnum linkage; 00148 00149 private: 00150 // These action methods are implemented for profiles. Each of them 00151 // just adds the profile to the current state. 00152 virtual void doAction(SoAction *action); 00153 virtual void callback(SoCallbackAction *action); 00154 virtual void GLRender(SoGLRenderAction *action); 00155 virtual void getBoundingBox(SoGetBoundingBoxAction *action); 00156 virtual void pick(SoPickAction *action); 00157 virtual void getPrimitiveCount(SoGetPrimitiveCountAction *action); 00158 00159 // Returns a profile as a trim curve. floatsPerVec will be either 2 or 3 depending 00160 // on whether the curve is non-rational or rational. 00161 virtual void getTrimCurve(SoState *state, int32_t &numPoints, 00162 float *&points, int &floatsPerVec, 00163 int32_t &numKnots, float *&knotVector) = 0; 00164 00165 // Returns vertices approximating the profile 00166 virtual void getVertices(SoState *state, int32_t &nVertices, 00167 SbVec2f *&vertices) = 0; 00168 00169 private: 00170 static void initClass(); 00171 static void exitClass(); 00172 00173 private: 00174 SoProfile(); 00175 00176 virtual ~SoProfile(); 00177 }; 00178 00179 #endif /* _SO_PROFILE_ */ 00180 00181