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75 lines
2.5 KiB
C++
75 lines
2.5 KiB
C++
/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkPassThroughLayoutStrategy.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 vtkPassThroughLayoutStrategy
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* @brief a layout strategy that does absolutely nothing
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*
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*
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* Yes, this incredible strategy does absoluted nothing to the data
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* so in affect passes through the graph untouched. This strategy
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* is useful in the cases where the graph is already laid out.
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*/
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#ifndef vtkPassThroughLayoutStrategy_h
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#define vtkPassThroughLayoutStrategy_h
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#include "vtkGraphLayoutStrategy.h"
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#include "vtkInfovisLayoutModule.h" // For export macro
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class VTKINFOVISLAYOUT_EXPORT vtkPassThroughLayoutStrategy : public vtkGraphLayoutStrategy
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{
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public:
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static vtkPassThroughLayoutStrategy* New();
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vtkTypeMacro(vtkPassThroughLayoutStrategy, vtkGraphLayoutStrategy);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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/**
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* This strategy sets up some data structures
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* for faster processing of each Layout() call
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*/
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void Initialize() override;
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/**
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* This is the layout method where the graph that was
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* set in SetGraph() is laid out. The method can either
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* entirely layout the graph or iteratively lay out the
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* graph. If you have an iterative layout please implement
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* the IsLayoutComplete() method.
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*/
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void Layout() override;
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/**
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* I'm an iterative layout so this method lets the caller
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* know if I'm done laying out the graph
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*/
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int IsLayoutComplete() override { return 1; }
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protected:
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vtkPassThroughLayoutStrategy();
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~vtkPassThroughLayoutStrategy() override;
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private:
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vtkPassThroughLayoutStrategy(const vtkPassThroughLayoutStrategy&) = delete;
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void operator=(const vtkPassThroughLayoutStrategy&) = delete;
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};
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#endif
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