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71 lines
2.3 KiB
C++
71 lines
2.3 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkTreeMapLayoutStrategy.h
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notice for more information.
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=========================================================================*/
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/*-------------------------------------------------------------------------
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Copyright 2008 Sandia Corporation.
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Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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the U.S. Government retains certain rights in this software.
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-------------------------------------------------------------------------*/
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/**
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* @class vtkTreeMapLayoutStrategy
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* @brief abstract superclass for all tree map layout strategies
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*
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*
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* All subclasses of this class perform a tree map layout on a tree.
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* This involves assigning a rectangular region to each vertex in the tree,
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* and placing that information in a data array with four components per
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* tuple representing (Xmin, Xmax, Ymin, Ymax).
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*
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* Instances of subclasses of this class may be assigned as the layout
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* strategy to vtkTreeMapLayout
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*
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* @par Thanks:
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* Thanks to Brian Wylie and Ken Moreland from Sandia National Laboratories
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* for help developing this class.
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*/
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#ifndef vtkTreeMapLayoutStrategy_h
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#define vtkTreeMapLayoutStrategy_h
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#include "vtkInfovisLayoutModule.h" // For export macro
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#include "vtkAreaLayoutStrategy.h"
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class vtkTree;
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class vtkDataArray;
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class VTKINFOVISLAYOUT_EXPORT vtkTreeMapLayoutStrategy : public vtkAreaLayoutStrategy
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{
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public:
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vtkTypeMacro(vtkTreeMapLayoutStrategy, vtkAreaLayoutStrategy);
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void PrintSelf(ostream& os, vtkIndent indent);
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/**
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* Find the vertex at a certain location, or -1 if none found.
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*/
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virtual vtkIdType FindVertex(
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vtkTree* tree, vtkDataArray* areaArray, float pnt[2]);
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protected:
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vtkTreeMapLayoutStrategy();
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~vtkTreeMapLayoutStrategy();
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void AddBorder( float *boxInfo);
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private:
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vtkTreeMapLayoutStrategy(const vtkTreeMapLayoutStrategy&) VTK_DELETE_FUNCTION;
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void operator=(const vtkTreeMapLayoutStrategy&) VTK_DELETE_FUNCTION;
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};
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#endif
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