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Coin / src / misc / SoCompactPathList.h

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Lars J. Aas 92263e4 



Marius Kintel 3ba6b41 




























Lars J. Aas 92263e4 




















Lars J. Aas 02ec13b 
Lars J. Aas 92263e4 










Lars J. Aas 02ec13b 
Lars J. Aas 92263e4 

Lars J. Aas 02ec13b 

Lars J. Aas 92263e4 
Lars J. Aas 02ec13b 

Lars J. Aas 92263e4 



#ifndef COIN_SOCOMPACTPATHLIST_H
#define COIN_SOCOMPACTPATHLIST_H

/**************************************************************************\
 * Copyright (c) Kongsberg Oil & Gas Technologies AS
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
 * met:
 * 
 * Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the following disclaimer.
 * 
 * Redistributions in binary form must reproduce the above copyright
 * notice, this list of conditions and the following disclaimer in the
 * documentation and/or other materials provided with the distribution.
 * 
 * Neither the name of the copyright holder nor the names of its
 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
\**************************************************************************/

#include <Inventor/SbBasic.h>
#include <Inventor/lists/SbList.h>

class SoPathList;

#ifndef COIN_INTERNAL
#error this is a private header file
#endif // !COIN_INTERNAL

// SoCompactPathList is an internal class in Coin and should not be
// used by external applications. It's used only to optimize
// SoPathList traversing. Let us know if you still need to use this
// class for some reason and we might add it as a part of the public
// Coin API.

class SoCompactPathList {
public:
  SoCompactPathList(const SoPathList & list);
  ~SoCompactPathList();

  void reset(void);

  void getChildren(int & numindices, const int *& indices);
  SbBool push(int childindex);
  void pop(void);

  int getDepth(void) const;

private:
  int * lookuptable;
  SbList <int> stack;
  int lookupidx;
  int lookupsize;

  int getNumIndices(void);
  int getStartIndex(void);

  int getChildIndex(const int child);
  int createLookupTable(int curslot, int depth,
                        const SoPathList & list,
                        int firstpath, int numpaths);
};

#endif /* COIN_SOCOMPACTPATHLIST_H */