vtkSquarifyLayoutStrategy.h

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/*=========================================================================
 
  Program:   Visualization Toolkit
  Module:    vtkSquarifyLayoutStrategy.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 vtkSquarifyLayoutStrategy_h
#define vtkSquarifyLayoutStrategy_h
 
#include "vtkInfovisLayoutModule.h" // For export macro
#include "vtkTreeMapLayoutStrategy.h"
 
class vtkIdList;
 
class VTKINFOVISLAYOUT_EXPORT vtkSquarifyLayoutStrategy : public vtkTreeMapLayoutStrategy
{
public:
  static vtkSquarifyLayoutStrategy* New();
  vtkTypeMacro(vtkSquarifyLayoutStrategy, vtkTreeMapLayoutStrategy);
  void PrintSelf(ostream& os, vtkIndent indent) override;
 
  void Layout(vtkTree* inputTree, vtkDataArray* coordsArray, vtkDataArray* sizeArray) override;
 
protected:
  vtkSquarifyLayoutStrategy();
  ~vtkSquarifyLayoutStrategy() override;
 
private:
  void LayoutChildren(vtkTree* tree, vtkDataArray* coordsArray, vtkDataArray* sizeArray,
    vtkIdType nchildren, vtkIdType parent, vtkIdType begin, float minX, float maxX, float minY,
    float maxY);
 
  vtkSquarifyLayoutStrategy(const vtkSquarifyLayoutStrategy&) = delete;
  void operator=(const vtkSquarifyLayoutStrategy&) = delete;
};
 
#endif