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00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States.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 **=======================================================================*/ 00026 /*======================================================================= 00027 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), *** 00028 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. *** 00029 *** *** 00030 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS *** 00031 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR *** 00032 *** WRITTEN AUTHORIZATION OF FEI S.A.S. *** 00033 *** *** 00034 *** RESTRICTED RIGHTS LEGEND *** 00035 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS *** 00036 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN *** 00037 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT *** 00038 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN *** 00039 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. *** 00040 *** *** 00041 *** COPYRIGHT (C) 1996-2020 BY FEI S.A.S, *** 00042 *** BORDEAUX, FRANCE *** 00043 *** ALL RIGHTS RESERVED *** 00044 **=======================================================================*/ 00045 /*======================================================================= 00046 ** Modified by : VSG (MMM YYYY) 00047 **=======================================================================*/ 00048 00049 00050 00051 #ifndef _SO_VRMLEXTRUSION_ 00052 #define _SO_VRMLEXTRUSION_ 00053 00054 #include <Inventor/fields/SoSFFloat.h> 00055 #include <Inventor/fields/SoSFBool.h> 00056 #include <Inventor/fields/SoMFVec2f.h> 00057 #include <Inventor/fields/SoMFRotation.h> 00058 #include <Inventor/fields/SoMFVec3f.h> 00059 #include <Inventor/nodes/SoNode.h> 00060 #include <Inventor/VRMLnodes/SoVRMLGeometry.h> 00061 #include <Inventor/threads/SbThreadRWMutex.h> 00062 00063 00064 #if defined(OIV_IGNORE_VRML_DEPRECATED) 00065 #include <SoDeprecationRules.h> 00066 #pragma push_macro("SoDEPRECATED_CLASS") 00067 #pragma push_macro("SoDEPRECATED_TYPEDEF") 00068 #undef SoDEPRECATED_CLASS 00069 #undef SoDEPRECATED_TYPEDEF 00070 #define SoDEPRECATED_CLASS(x,y) 00071 #define SoDEPRECATED_TYPEDEF(x,y) 00072 #endif 00073 00074 class SoNormalBundle; 00075 class SoNormalCache; 00076 class SoState; 00077 00079 // 00080 // Class: SoVRMLExtrusion 00081 // 00082 // Node that defines the extrusion parameters 00083 // 00085 class SoDEPRECATED SoVRMLExtrusion : public SoVRMLGeometry { 00275 00276 SO_NODE_HEADER(SoVRMLExtrusion); 00277 00278 public: 00279 // Fields 00284 SoSFBool beginCap; 00290 SoSFBool ccw; 00303 SoSFBool solid; 00309 SoSFBool convex; 00316 SoSFFloat creaseAngle; 00322 SoMFVec2f crossSection; 00327 SoSFBool endCap; 00331 SoMFRotation orientation; 00335 SoMFVec2f scale; 00340 SoMFVec3f spine; 00341 00345 SoVRMLExtrusion(); 00346 00347 00348 private: 00349 // Implements actions 00350 virtual void GLRender(SoGLRenderAction *action); 00351 virtual void generatePick(SoRayPickAction *action, SoNode *node); 00352 virtual void getPrimitiveCount(SoGetPrimitiveCountAction *action); 00353 00354 00355 // This handles bounding box computation for all shapes derived 00356 // from this class. It sets the bounding box to contain all 00357 // vertices of the shape, assuming that the shape uses the 00358 // coordinates indexed by all non-negative values in the 00359 // coordIndex field. It also sets the center to the average of the 00360 // vertices' coordinates. 00361 virtual void computeBBox(SoAction *action, SbBox3f &box, 00362 SbVec3f ¢er); 00363 00364 00365 private: 00366 static void initClass(); 00367 static void exitClass(); 00368 00369 // Returns the current normal cache, or NULL if there is none. 00370 // This method was protected prior to OIV version 3.0. 00371 // Normal cache will only exist if the node has been traversed 00372 // by a render action and Inventor needed to compute normals. 00373 SoNormalCache *getNormalCache() const { return normalCache; } 00374 00375 private: 00376 virtual ~SoVRMLExtrusion(); 00377 // Generates triangles representing faces 00378 virtual void generatePrimitives(SoAction *action); 00379 00380 // Sets up a cache to hold normals. This assumes the cache depends 00381 // on only the current coordinates, shape hints, and crease angle. 00382 void setNormalCache(SoState *state, 00383 int numNormals, 00384 const SbVec3f *normals, 00385 const SoNormalBindingElement::Binding binding 00386 ); 00387 00388 // Per-instance mutex to protect access to the normalCache 00389 SbThreadRWMutex *normalCacheMutex; 00390 00391 // Overrides standard method to create an SoFaceDetail instance 00392 //virtual SoDetail * createTriangleDetail(SoRayPickAction *action, 00393 //const SoPrimitiveVertex *v1, 00394 //const SoPrimitiveVertex *v2, 00395 //const SoPrimitiveVertex *v3, 00396 //SoPickedPoint *pp); 00397 private: 00398 // set verts = NULL to force generateVertices to be called if 00399 // the inputs change 00400 virtual void notify(SoNotList *list); 00401 00402 // This allows instances to cache normals that have been generated 00403 SoNormalCache *normalCache; 00404 00405 // Constructor for rotation that rotates one direction vector to another 00406 SbRotation& setRotValue(const SbVec3f &rotateFrom, const SbVec3f &rotateTo); 00407 virtual SbBool generateDefaultNormals(SoState *state, int numcols, 00408 int numrows, SbVec3f *verts, 00409 SoNormalBundle *nb ); 00410 SbVec3f *verts; 00411 int numSpinePts; 00412 int numCrossSectionPts; 00413 }; 00414 00415 00416 00417 00418 #if defined(OIV_IGNORE_VRML_DEPRECATED) 00419 #pragma pop_macro("SoDEPRECATED_TYPEDEF") 00420 #pragma pop_macro("SoDEPRECATED_CLASS") 00421 #endif 00422 00423 #endif /* _SO_VRMLEXTRUSION_ */ 00424