SoWriteAction.h

/*=======================================================================
 * Copyright 1991-1996, Silicon Graphics, Inc.
 * ALL RIGHTS RESERVED
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 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or
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 * Supplement.  Contractor/manufacturer is Silicon Graphics, Inc.,
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**=======================================================================*/
/*=======================================================================
** Author      : Paul S. Strauss (MMM yyyy)
**=======================================================================*/
/*=======================================================================
 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.),            ***
 ***              AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT.                     ***
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 ***  REPRODUCTION, DISCLOSURE,  OR USE,  IN WHOLE OR IN PART,  OTHER THAN AS       ***
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 ***  CLAUSE  AT FAR 52.227-19  OR SUBPARAGRAPH  (C)(1)(II)  OF  THE RIGHTS IN      ***
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 ***                   COPYRIGHT (C) 1996-2014 BY FEI S.A.S,                        ***
 ***                        BORDEAUX, FRANCE                                        ***
 ***                      ALL RIGHTS RESERVED                                       ***
**=======================================================================*/
/*=======================================================================
** Modified by : VSG (MMM YYYY)
**=======================================================================*/
 
 
#ifndef  _SO_WRITE_ACTION_
#define  _SO_WRITE_ACTION_
 
#include <Inventor/actions/SoAction.h>
#include <Inventor/actions/SoSubAction.h>
#include <Inventor/SoOutput.h>
 
class  SoWriteAction : public SoAction {
 
  SO_ACTION_HEADER(SoWriteAction);
 
 public:
  SoWriteAction();
 
  SoWriteAction(SoOutput *out);
 
  // Destructor
#ifndef HIDDEN_FROM_DOC
  virtual ~SoWriteAction();
#endif // HIDDEN_FROM_DOC
 
  SoOutput *          getOutput() const               { return output; }
 
 private:
  static void         initClass();
  static void         exitClass();
 
  // Continues write action on a graph or path
  void                continueToApply(SoNode *node);
  void                continueToApply(SoPath *path);
 
  static bool writeFile(const SbString& outputFilename, SoNode* scenegraph, const bool binaryFormat=false, const bool compressedFormat=false);
 
 private:
  // Initiates action on graph
  virtual void        beginTraversal(SoNode *node);
 
  // Override method to return FALSE, since this action applies
  // itself to each path separately, so it doesn't need the extra
  // overhead of compacting the list.
  virtual SbBool      shouldCompactPathLists() const;
 
 private:
  SoOutput            *output;        // Output info
  SbBool              createdOutput;  // TRUE if output created by action
  SbBool              continuing;     // TRUE only if continueToApply()
  // was used to apply action
  SbBool              doOneStage;     // TRUE if only supposed to do 1 stage
  SbPList             savedLists;     // Path lists saved for later apply
 
  // Performs traversal on a path list, which is a little tricker
  void                traversePathList(SoNode *node);
};
 
#endif /* _SO_WRITE_ACTION_ */