83 lines
2.3 KiB
C
83 lines
2.3 KiB
C
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkEdgeLayout.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 (c) Sandia Corporation
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See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
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----------------------------------------------------------------------------*/
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/**
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* @class vtkEdgeLayout
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* @brief layout graph edges
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*
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*
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* This class is a shell for many edge layout strategies which may be set
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* using the SetLayoutStrategy() function. The layout strategies do the
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* actual work.
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*/
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#ifndef vtkEdgeLayout_h
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#define vtkEdgeLayout_h
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#include "vtkGraphAlgorithm.h"
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#include "vtkInfovisLayoutModule.h" // For export macro
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class vtkEdgeLayoutStrategy;
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class vtkEventForwarderCommand;
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class VTKINFOVISLAYOUT_EXPORT vtkEdgeLayout : public vtkGraphAlgorithm
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{
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public:
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static vtkEdgeLayout* New();
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vtkTypeMacro(vtkEdgeLayout, vtkGraphAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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///@{
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/**
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* The layout strategy to use during graph layout.
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*/
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void SetLayoutStrategy(vtkEdgeLayoutStrategy* strategy);
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vtkGetObjectMacro(LayoutStrategy, vtkEdgeLayoutStrategy);
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///@}
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/**
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* Get the modification time of the layout algorithm.
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*/
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vtkMTimeType GetMTime() override;
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protected:
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vtkEdgeLayout();
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~vtkEdgeLayout() override;
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vtkEdgeLayoutStrategy* LayoutStrategy;
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///@{
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/**
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* This intercepts events from the strategy object and re-emits them
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* as if they came from the layout engine itself.
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*/
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vtkEventForwarderCommand* EventForwarder;
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unsigned long ObserverTag;
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///@}
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int RequestData(vtkInformation*, vtkInformationVector**, vtkInformationVector*) override;
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private:
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vtkGraph* InternalGraph;
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vtkEdgeLayout(const vtkEdgeLayout&) = delete;
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void operator=(const vtkEdgeLayout&) = delete;
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};
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#endif
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