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00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States.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 : Paul S. Strauss (MMM yyyy) 00025 ** Modified by : Nick Thompson (MMM yyyy) 00026 **=======================================================================*/ 00027 /*======================================================================= 00028 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), *** 00029 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. *** 00030 *** *** 00031 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS *** 00032 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR *** 00033 *** WRITTEN AUTHORIZATION OF FEI S.A.S. *** 00034 *** *** 00035 *** RESTRICTED RIGHTS LEGEND *** 00036 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS *** 00037 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN *** 00038 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT *** 00039 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN *** 00040 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. *** 00041 *** *** 00042 *** COPYRIGHT (C) 1996-2020 BY FEI S.A.S, *** 00043 *** BORDEAUX, FRANCE *** 00044 *** ALL RIGHTS RESERVED *** 00045 **=======================================================================*/ 00046 /*======================================================================= 00047 ** Modified by : VSG (MMM YYYY) 00048 **=======================================================================*/ 00049 00050 00051 #ifndef _SO_VRMLARCCLOSE2D_ 00052 #define _SO_VRMLARCCLOSE2D_ 00053 00054 #include <Inventor/SbLinear.h> 00055 #include <Inventor/fields/SoSFBool.h> 00056 #include <Inventor/fields/SoSFFloat.h> 00057 #include <Inventor/fields/SoSFString.h> 00058 #include <Inventor/VRMLnodes/SoVRMLGeometry.h> 00059 #include <Inventor/VRMLnodes/SoVRMLCoordinate.h> 00060 00061 00062 #if defined(OIV_IGNORE_VRML_DEPRECATED) 00063 #include <SoDeprecationRules.h> 00064 #pragma push_macro("SoDEPRECATED_CLASS") 00065 #pragma push_macro("SoDEPRECATED_TYPEDEF") 00066 #undef SoDEPRECATED_CLASS 00067 #undef SoDEPRECATED_TYPEDEF 00068 #define SoDEPRECATED_CLASS(x,y) 00069 #define SoDEPRECATED_TYPEDEF(x,y) 00070 #endif 00071 00072 class SoNormalBundle; 00073 class SoNormalCache;class SoDEPRECATED SoVRMLArcClose2D : public SoVRMLGeometry { 00151 00152 SO_NODE_HEADER(SoVRMLArcClose2D); 00153 00154 public: 00155 00156 // Fields 00161 SoSFString closureType; 00166 SoSFFloat endAngle; 00172 SoSFFloat radius; 00177 SoSFFloat startAngle; 00183 SoSFBool solid; 00184 00188 SoVRMLArcClose2D(); 00189 00190 private: 00191 // Implements actions 00192 virtual void GLRender(SoGLRenderAction *action); 00193 virtual void generatePick(SoRayPickAction *action, SoNode *node); 00194 virtual void getPrimitiveCount(SoGetPrimitiveCountAction *action); 00195 00196 // Generates default normals using the given normal bundle. 00197 // Returns TRUE. 00198 virtual SbBool generateDefaultNormals(SoState *state, 00199 SoNormalBundle *nb); 00200 00201 // Computes bounding box of cone 00202 virtual void computeBBox(SoAction *action, SbBox3f &box, 00203 SbVec3f ¢er); 00204 00205 private: 00206 static void initClass(); 00207 static void exitClass(); 00208 00209 // Redefines this to invalidate normal cache 00210 virtual void notify(SoNotList *list); 00211 00212 private: 00213 // This enum is used to indicate the current material or normal binding 00214 enum Binding { 00215 OVERALL, PER_FACE, PER_VERTEX 00216 }; 00217 // Generates triangles representing a cone 00218 virtual void generatePrimitives(SoAction *action); 00219 virtual ~SoVRMLArcClose2D(); 00220 00221 static const int AUTO_CACHE_MIN_WITHOUT_VP; 00222 static const int AUTO_CACHE_MAX; 00223 00224 // vpCache stores information from one render to the next about 00225 // what information needs to be grabbed from the state, etc. 00226 SoVRMLVertexPropertyCache vpCache; 00227 00228 // Sets up a cache to hold normals. This assumes the cache depends 00229 // on only the current coordinates, shape hints, and crease angle. 00230 void setNormalCache(SoState *state, 00231 int numNormals, 00232 const SbVec3f *normals, 00233 const SoNormalBindingElement::Binding binding 00234 ); 00235 00236 // Returns the current normal cache, or NULL if there is none 00237 SoNormalCache *getNormalCache() const { return normalCache; } 00238 00239 // Per-instance mutex to protect access to the vpCache 00240 SbThreadRWMutex *vpCacheMutex; 00241 00242 private: 00243 00244 Binding getNormalBinding(SoAction *action, 00245 SoNormalBundle *nb); 00246 00247 // render function 00248 void doRendering(SoGLRenderAction *action, 00249 const SoShapeStyleElement* shapeStyle); 00250 SoNormalCache *normalCache; 00251 00252 // Figures out normals, if necessary. Returns TRUE if normals were 00253 // generated 00254 SbBool figureNormals(SoState *state, SoNormalBundle *nb); 00255 00256 void setupPoints(SoAction *action); 00257 void setupSegmentAngle(SoAction *action); 00258 SoVRMLCoordinate* m_array; 00259 00260 int num_points; 00261 float step_angle; 00262 }; 00263 00264 00265 00266 #if defined(OIV_IGNORE_VRML_DEPRECATED) 00267 #pragma pop_macro("SoDEPRECATED_TYPEDEF") 00268 #pragma pop_macro("SoDEPRECATED_CLASS") 00269 #endif 00270 00271 #endif /* _SO_VRMLARCCLOSE2D_ */ 00272