dox/Common/vtkKWEDataArrayStreamer.h

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//=============================================================================
//   This file is part of VTKEdge. See vtkedge.org for more information.
//
//   Copyright (c) 2010 Kitware, Inc.
//
//   VTKEdge may be used under the terms of the BSD License
//   Please see the file Copyright.txt in the root directory of
//   VTKEdge for further information.
//
//   Alternatively, you may see: 
//
//   http://www.vtkedge.org/vtkedge/project/license.html
//
//
//   For custom extensions, consulting services, or training for
//   this or any other Kitware supported open source project, please
//   contact Kitware at sales@kitware.com.
//
//
//=============================================================================
#ifndef __vtkKWEDataArrayStreamer_h
#define __vtkKWEDataArrayStreamer_h

#include "vtkObject.h"
#include "VTKEdgeConfigure.h" // include configuration header

class VTKEdge_COMMON_EXPORT vtkKWEDataArrayStreamer : public vtkObject
{
 public:
  static vtkKWEDataArrayStreamer *New();
  vtkTypeRevisionMacro(vtkKWEDataArrayStreamer,vtkObject);
  void PrintSelf(ostream &os,vtkIndent indent);


  vtkSetMacro(NumberOfTuples, vtkIdType);
  vtkGetMacro(NumberOfTuples, vtkIdType);


  vtkSetMacro(Max3DTextureSize,int);
  vtkGetMacro(Max3DTextureSize,int);


  vtkSetMacro(MaxTextureSize,int);
  vtkGetMacro(MaxTextureSize,int);


  vtkSetMacro(MaxTextureMemorySizeInBytes,vtkIdType);
  vtkGetMacro(MaxTextureMemorySizeInBytes,vtkIdType);


  vtkSetMacro(TupleSize,int);
  vtkGetMacro(TupleSize,int);


  vtkSetMacro(MaxNumberOfTuplesPerBlock,vtkIdType);
  vtkGetMacro(MaxNumberOfTuplesPerBlock,vtkIdType);

  void Begin();

  bool IsDone();

  void Next();


  vtkGetVector2Macro(ChunkDimensions,vtkIdType);


  vtkGetMacro(Cursor,vtkIdType);

//BTX
protected:
  vtkKWEDataArrayStreamer();
  ~vtkKWEDataArrayStreamer();

  void UpdateChunkDimensions();

  vtkIdType NumberOfTuples;

  int Max3DTextureSize;
  int MaxTextureSize;
  vtkIdType MaxTextureMemorySizeInBytes;
  int TupleSize;
  vtkIdType MaxNumberOfTuplesPerBlock;

  vtkIdType ChunkDimensions[2];
  vtkIdType Cursor;
  vtkIdType Step;

  vtkIdType Stage2Cursor;
  vtkIdType Stage2Step;
  vtkIdType Stage3Cursor;
  vtkIdType Stage3Step;
  vtkIdType Stage2NumberOfRows;

private:
  vtkKWEDataArrayStreamer(const vtkKWEDataArrayStreamer&); // Not implemented.
  void operator=(const vtkKWEDataArrayStreamer&); // Not implemented.
//ETX
};

#endif