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00002 * Copyright 1991-1996, Silicon Graphics, Inc. 00003 * ALL RIGHTS RESERVED 00004 * 00005 * UNPUBLISHED -- Rights reserved under the copyright laws of the United 00006 * States.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 : David Mott (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_BYTE_STREAM_ 00051 #define _SO_BYTE_STREAM_ 00052 00053 #include <Inventor/SbBasic.h> 00054 00055 class SoNode; 00056 class SoPath; 00057 class SoPathList; 00058 00060 // 00061 // Class: SoByteStream 00062 // 00063 // This class creates a byte stream representation of a scene graph, 00064 // using the SoWriteAction to write to an in memory buffer. Byte streams 00065 // are commonly used to transfer data, for instance during copy and paste. 00066 // 00068 00085 class SoByteStream { 00086 public: 00090 SoByteStream(); 00094 ~SoByteStream(); 00095 00103 void convert(SoNode *node, SbBool binaryFormat = TRUE); 00104 00112 void convert(SoPath *path, SbBool binaryFormat = TRUE); 00113 00121 void convert(SoPathList *pathList, SbBool binaryFormat = TRUE); 00122 00129 void * getData() { return data; } 00136 size_t/*uint32_t*/ getNumBytes() { return numBytes; } 00137 00138 // Unconvert a byte stream back to a path list. 00139 // This static routine performs an SoDB::read on the data, 00140 // and returns a path list of the paths read in. 00141 00146 static SoPathList *unconvert(SoByteStream *byteStream); 00152 static SoPathList *unconvert(void *data, size_t numBytes); 00153 00154 private: 00155 // This allows apps to store raw data here without converting 00156 // an Inventor node, path, or path list. This sets isRaw to TRUE, 00157 // and that data cannot be unconverted. 00158 void copy(void *d, size_t len); 00159 SbBool isRawData() const { return isRaw; } 00160 00161 private: 00162 void *data; 00163 size_t numBytes; 00164 SbBool isRaw; 00165 00166 }; 00167 00168 #endif // _SO_BYTE_STREAM_ 00169 00170