dox/Infovis/Layout/vtkAreaLayout.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkAreaLayout.h

  Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
  All rights reserved.
  See Copyright.txt or http://www.kitware.com/Copyright.htm for details.

  This software is distributed WITHOUT ANY WARRANTY; without even
  the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
  PURPOSE.  See the above copyright notice for more information.

=========================================================================*/
/*-------------------------------------------------------------------------
  Copyright 2008 Sandia Corporation.
  Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
  the U.S. Government retains certain rights in this software.
-------------------------------------------------------------------------*/
#ifndef __vtkAreaLayout_h
#define __vtkAreaLayout_h

#include "vtkInfovisLayoutModule.h" // For export macro
#include "vtkTreeAlgorithm.h"

class vtkAreaLayoutStrategy;

class VTKINFOVISLAYOUT_EXPORT vtkAreaLayout : public vtkTreeAlgorithm
{
public:
  static vtkAreaLayout *New();
  vtkTypeMacro(vtkAreaLayout,vtkTreeAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);


  virtual void SetSizeArrayName(const char* name)
    { this->SetInputArrayToProcess(0, 0, 0, vtkDataObject::FIELD_ASSOCIATION_VERTICES, name); }


  vtkGetStringMacro(AreaArrayName);
  vtkSetStringMacro(AreaArrayName);


  vtkGetMacro(EdgeRoutingPoints, bool);
  vtkSetMacro(EdgeRoutingPoints, bool);
  vtkBooleanMacro(EdgeRoutingPoints, bool);


  vtkGetObjectMacro(LayoutStrategy, vtkAreaLayoutStrategy);
  void SetLayoutStrategy(vtkAreaLayoutStrategy * strategy);

  virtual unsigned long GetMTime();

  vtkIdType FindVertex(float pnt[2]);

  void GetBoundingArea(vtkIdType id, float *sinfo);

protected:
  vtkAreaLayout();
  ~vtkAreaLayout();

  char* AreaArrayName;
  bool  EdgeRoutingPoints;
  char* EdgeRoutingPointsArrayName;
  vtkAreaLayoutStrategy* LayoutStrategy;

  int RequestData(vtkInformation *, vtkInformationVector **, vtkInformationVector *);

private:

  vtkAreaLayout(const vtkAreaLayout&);  // Not implemented.
  void operator=(const vtkAreaLayout&);  // Not implemented.
};

#endif