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00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States.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) 1996-2014 BY FEI S.A.S, *** 00042 *** BORDEAUX, FRANCE *** 00043 *** ALL RIGHTS RESERVED *** 00044 **=======================================================================*/ 00045 /*======================================================================= 00046 ** Modified by : VSG (MMM YYYY) 00047 **=======================================================================*/ 00048 00049 00050 #ifndef _SO_MF_PATH_ 00051 #define _SO_MF_PATH_ 00052 00053 #include <Inventor/fields/SoSubField.h> 00054 00056 // 00057 // SoMFPath subclass of SoMField. Each field value is a pointer to an 00058 // SoPath. The field automatically maintains references to the paths 00059 // it points to and propagates notification from the paths. 00060 // 00062 00091 class SoMFPath : public SoMField 00092 { 00093 // Use standard field stuff 00094 SO_MFIELD_HEADER(SoMFPath, SoPath *, SoPath *); 00095 SO_MFIELD_SETVALUESPOINTER_HEADER(SoPath *); 00096 00100 SoPath* getPath(int index) const; 00101 00102 private: 00103 static void initClass(); 00104 static void exitClass(); 00105 00106 // Propagates notification through field 00107 virtual void notify(SoNotList *list); 00108 00109 // Update a copied field to use node copies if the head nodes have 00110 // been copied 00111 virtual void fixCopy(SbBool copyConnections); 00112 00113 // Override this to also check the heads of the stored paths 00114 virtual SbBool referencesCopy() const; 00115 00116 // Evaluates the field or engine the field is connected to, 00117 // storing the result in the field. This is const because it is 00118 // called by evaluate(). 00119 virtual void evaluateConnection() const; 00120 00121 private: 00122 SoNode **heads; // Head nodes of paths (needed 00123 // to track notification) 00124 00125 // Override this to maintain write-references in paths 00126 virtual void countWriteRefs(SoOutput *out) const; 00127 00128 // Changes value in field without doing other notification stuff. 00129 // Keeps track of references and auditors. 00130 void setVal(int index, SoPath *newValue); 00131 00132 SbIntList** indices; 00133 }; 00134 00135 #endif /* _SO_MF_PATH_ */ 00136 00137