vtkTreeMapLayout.h

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

  Program:   Visualization Toolkit
  Module:    vtkTreeMapLayout.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 vtkTreeMapLayout_h
#define vtkTreeMapLayout_h

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

class vtkTreeMapLayoutStrategy;

class VTKINFOVISLAYOUT_EXPORT vtkTreeMapLayout : public vtkTreeAlgorithm
{
public:
  static vtkTreeMapLayout *New();

  vtkTypeMacro(vtkTreeMapLayout,vtkTreeAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent) override;


  vtkGetStringMacro(RectanglesFieldName);
  vtkSetStringMacro(RectanglesFieldName);

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


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

  vtkIdType FindVertex(float pnt[2], float *binfo=nullptr);

  void GetBoundingBox(vtkIdType id, float *binfo);

  vtkMTimeType GetMTime() override;

protected:
  vtkTreeMapLayout();
  ~vtkTreeMapLayout() override;

  char * RectanglesFieldName;
  vtkTreeMapLayoutStrategy* LayoutStrategy;

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

private:

  vtkTreeMapLayout(const vtkTreeMapLayout&) = delete;
  void operator=(const vtkTreeMapLayout&) = delete;
};

#endif