SoOutputData.h

/*=======================================================================
 * Copyright 1991-1996, Silicon Graphics, Inc.
 * ALL RIGHTS RESERVED
 *
 * UNPUBLISHED -- Rights reserved under the copyright laws of the United
 * States.   Use of a copyright notice is precautionary only and does not
 * imply publication or disclosure.
 *
 * U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND:
 * Use, duplication or disclosure by the Government is subject to restrictions
 * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights
 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or
 * in similar or successor clauses in the FAR, or the DOD or NASA FAR
 * Supplement.  Contractor/manufacturer is Silicon Graphics, Inc.,
 * 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311.
 *
 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY
 * INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION,
 * DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY
 * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON
 * GRAPHICS, INC.
**=======================================================================*/
/*=======================================================================
** Author      : Paul S. Strauss (MMM yyyy)
** Modified by : Nick Thompson (MMM yyyy)
** Modified by : Gavin Bell (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.                     ***
 ***                                                                                ***
 ***  REPRODUCTION, DISCLOSURE,  OR USE,  IN WHOLE OR IN PART,  OTHER THAN AS       ***
 ***  SPECIFIED  IN THE LICENSE ARE  NOT TO BE  UNDERTAKEN  EXCEPT WITH PRIOR       ***
 ***  WRITTEN AUTHORIZATION OF FEI S.A.S.                                           ***
 ***                                                                                ***
 ***                        RESTRICTED RIGHTS LEGEND                                ***
 ***  USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS      ***
 ***  WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN      ***
 ***  SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT      ***
 ***  CLAUSE  AT FAR 52.227-19  OR SUBPARAGRAPH  (C)(1)(II)  OF  THE RIGHTS IN      ***
 ***  TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013.             ***
 ***                                                                                ***
 ***                   COPYRIGHT (C) 1996-2014 BY FEI S.A.S,                        ***
 ***                        BORDEAUX, FRANCE                                        ***
 ***                      ALL RIGHTS RESERVED                                       ***
**=======================================================================*/
/*=======================================================================
** Modified by : VSG (MMM YYYY)
**=======================================================================*/
 
 
 
#ifndef  _SO_OUTPUT_DATA_
#define  _SO_OUTPUT_DATA_
 
#include <Inventor/misc/SoBasic.h>
#include <Inventor/SbPList.h>
#include <Inventor/SbString.h>
#include <Inventor/SoType.h>
 
class SoEngine;
class SoFieldContainer;
class SoInput;
class SoOutput;
class SoEngineOutput;

//
//  Class: SoEngineOutputData
//
//  The SoEngineOutputData class holds data about engine outputs: the
//  number of outputs the engine has, the names of the outputs.
//
//  All engines of a given class share the same output data. Therefore,
//  to get information about a particular output in a particular engine
//  instance, it is necessary to pass that instance to the appropriate
//  method.
//
 
{
 public:
  // Default constructor
  SoEngineOutputData() { }
 
  SoEngineOutputData(const SoEngineOutputData *);
 
  // Constructor that takes number of fields as a hint
  SoEngineOutputData(int numOutputs) : outputs(numOutputs)
    { }
 
  // Destructor
  ~SoEngineOutputData();
 
  // Adds an output to current data, given name of output,
  // a pointer to field within the engine, and the type of output.
  void                addOutput(const SoEngine *defEngine,
                                const char *outputName,
                                const SoEngineOutput *output,
                                SoType type);
 
  // Returns number of outputs
  int                 getNumOutputs() const   { return outputs.getLength(); }
 
  // Returns name of output with given index
  const SbName &      getOutputName(int index) const;
 
  // Returns pointer to output with given index within given object instance
  SoEngineOutput *    getOutput(const SoEngine *engine,
                                int index) const;
 
  // Returns index of output, given the output and the engine it
  // is in.
  int                 getIndex(const SoEngine *engine,
                               const SoEngineOutput *output) const;
 
  // Returns type of output with given index
  const SoType &      getType(int index) const;
 
  // Methods to read and write the output descriptions
  SbBool              readDescriptions(SoInput *in,
                                       SoEngine *engine) const;
  void                writeDescriptions(SoOutput *out,
                                        SoEngine *engine) const;
 private:
  SbPList             outputs;        // List of outputs (SoOutputEntry)
};    
 
#endif /* _SO_OUTPUT_DATA_ */