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00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States.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 #ifndef _SO_WRITE_ACTION_ 00051 #define _SO_WRITE_ACTION_ 00052 00053 #include <Inventor/actions/SoAction.h> 00054 #include <Inventor/actions/SoSubAction.h> 00055 #include <Inventor/SoOutput.h> 00056 00057 class SoVRMLPROTODef; 00058 00060 // 00061 // Class: SoWriteAction 00062 // 00063 // For writing scene graphs to files. There are two stages in this 00064 // action. First it has to count references to nodes and paths, since 00065 // multiply-referenced nodes and paths need to have temporary names 00066 // defined for them. The second stage is writing the stuff out. 00067 // 00069 00136 class SoWriteAction : public SoAction { 00137 00138 SO_ACTION_HEADER(SoWriteAction); 00139 00140 public: 00144 SoWriteAction(); 00145 00149 SoWriteAction(SoOutput *out); 00150 00151 // Destructor 00152 #ifndef HIDDEN_FROM_DOC 00153 virtual ~SoWriteAction(); 00154 #endif // HIDDEN_FROM_DOC 00155 00159 SoOutput * getOutput() const { return output; } 00160 00161 // Applies action to the graph rooted by a node 00162 // These methods were added to write out PROTO's and EXTERNPROTO's. The normal 00163 // write action only writes out referenced PROTO's and EXTERNPROTO's 00164 // M. Alcala 4/21/98 00165 00169 void writePROTO(SoVRMLPROTODef *protoDef); 00170 00174 void writeEXTERNPROTO(SoVRMLEXTERNPROTODef *externprotoDef); 00175 00179 void writeAllPROTO(); 00180 00181 private: 00182 static void initClass(); 00183 static void exitClass(); 00184 00185 // Continues write action on a graph or path 00186 void continueToApply(SoNode *node); 00187 void continueToApply(SoPath *path); 00188 00197 static bool writeFile(const SbString& outputFilename, SoNode* scenegraph, const bool binaryFormat=false, const bool compressedFormat=false); 00198 00199 private: 00200 // Initiates action on graph 00201 virtual void beginTraversal(SoNode *node); 00202 00203 // Override method to return FALSE, since this action applies 00204 // itself to each path separately, so it doesn't need the extra 00205 // overhead of compacting the list. 00206 virtual SbBool shouldCompactPathLists() const; 00207 00208 private: 00209 SoOutput *output; // Output info 00210 SbBool createdOutput; // TRUE if output created by action 00211 SbBool continuing; // TRUE only if continueToApply() 00212 // was used to apply action 00213 SbBool doOneStage; // TRUE if only supposed to do 1 stage 00214 SbPList savedLists; // Path lists saved for later apply 00215 00216 // Performs traversal on a path list, which is a little tricker 00217 void traversePathList(SoNode *node); 00218 void writeRoutes(); 00219 void metaWrite(); 00220 void componentWrite(); 00221 void profileWrite(); 00222 void protoWrite(); 00223 }; 00224 00225 #endif /* _SO_WRITE_ACTION_ */ 00226 00227