Open Inventor Reference
MeVis/ThirdParty/Sources/Inventor/inventor/lib/database/include/Inventor/actions/SoWriteAction.h
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00001 /*
00002  *
00003  *  Copyright (C) 2000 Silicon Graphics, Inc.  All Rights Reserved. 
00004  *
00005  *  This library is free software; you can redistribute it and/or
00006  *  modify it under the terms of the GNU Lesser General Public
00007  *  License as published by the Free Software Foundation; either
00008  *  version 2.1 of the License, or (at your option) any later version.
00009  *
00010  *  This library is distributed in the hope that it will be useful,
00011  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
00012  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013  *  Lesser General Public License for more details.
00014  *
00015  *  Further, this software is distributed without any warranty that it is
00016  *  free of the rightful claim of any third person regarding infringement
00017  *  or the like.  Any license provided herein, whether implied or
00018  *  otherwise, applies only to this software file.  Patent licenses, if
00019  *  any, provided herein do not apply to combinations of this program with
00020  *  other software, or any other product whatsoever.
00021  * 
00022  *  You should have received a copy of the GNU Lesser General Public
00023  *  License along with this library; if not, write to the Free Software
00024  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00025  *
00026  *  Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
00027  *  Mountain View, CA  94043, or:
00028  * 
00029  *  http://www.sgi.com 
00030  * 
00031  *  For further information regarding this notice, see: 
00032  * 
00033  *  http://oss.sgi.com/projects/GenInfo/NoticeExplan/
00034  *
00035  */
00036 
00037 
00038 /*
00039  * Copyright (C) 1990,91   Silicon Graphics, Inc.
00040  *
00041  _______________________________________________________________________
00042  ______________  S I L I C O N   G R A P H I C S   I N C .  ____________
00043  |
00044  |   $Revision: 1.1.1.1 $
00045  |
00046  |   Description:
00047  |      Defines the SoWriteAction class
00048  |
00049  |   Author(s)          : Paul S. Strauss
00050  |
00051  ______________  S I L I C O N   G R A P H I C S   I N C .  ____________
00052  _______________________________________________________________________
00053  */
00054 
00055 #ifndef  _SO_WRITE_ACTION_
00056 #define  _SO_WRITE_ACTION_
00057 
00058 #include <Inventor/system/SbSystem.h>
00059 #include <Inventor/actions/SoAction.h>
00060 #include <Inventor/actions/SoSubAction.h>
00061 #include <Inventor/SoOutput.h>
00062 
00063 
00066 
00078 
00079 
00080 class INVENTOR_API SoWriteAction : public SoAction {
00081 
00082     SO_ACTION_HEADER(SoWriteAction);
00083 
00084   public:
00085 
00087     SoWriteAction();
00088 
00090     SoWriteAction(SoOutput *out);
00091 
00093     virtual ~SoWriteAction();
00094 
00096     SoOutput *          getOutput() const               { return output; }
00097 
00098   SoINTERNAL public:
00099     static void         initClass();
00100 
00102     void                continueToApply(SoNode *node);
00103     void                continueToApply(SoPath *path);
00104 
00105   protected:
00107     virtual void        beginTraversal(SoNode *node);
00108 
00112     virtual SbBool      shouldCompactPathLists() const;
00113 
00114   private:
00115     SoOutput            *output;        
00116     SbBool              createdOutput;  
00117     SbBool              continuing;     
00118 
00119     SbBool              doOneStage;     
00120     SbPList             savedLists;     
00121 
00123     void                traversePathList(SoNode *node);
00124 };
00125 
00126 #endif /* _SO_WRITE_ACTION_ */