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80 lines
2.3 KiB
C
80 lines
2.3 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkPainterCommunicator.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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* @class vtkPainterCommunicator
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* @brief A communicator that can safely be used inside a painter.
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*
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* A simple container holding a handle to an MPI communicator.
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* This API is sufficient to allow for control flow with/without
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* MPI. The parallel parts of the code should use the derived
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* class vtkPPainterCommunicator.
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*/
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#ifndef vtkPainterCommunicator_h
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#define vtkPainterCommunicator_h
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#include "vtkRenderingLICModule.h" // for export macro
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class VTKRENDERINGLIC_EXPORT vtkPainterCommunicator
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{
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public:
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vtkPainterCommunicator(){}
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virtual ~vtkPainterCommunicator(){}
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/**
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* Copy and assignment operators. Both use Copy internally
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* and do take ownership.
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*/
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vtkPainterCommunicator(const vtkPainterCommunicator &other)
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{ this->Copy(&other, false); }
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vtkPainterCommunicator &operator=(const vtkPainterCommunicator &other)
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{ this->Copy(&other, false); return *this; }
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/**
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* Copy the communicator, the flag indicates if ownership
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* should be assumed. The owner is responsible for free'ing
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* the communicator.
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*/
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virtual void Copy(const vtkPainterCommunicator *, bool){}
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/**
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* Duplicate the communicator.
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*/
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virtual void Duplicate(const vtkPainterCommunicator *){}
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/**
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* Querry MPI about the communicator.
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*/
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virtual int GetRank(){ return 0; }
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virtual int GetSize(){ return 1; }
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virtual bool GetIsNull(){ return false; }
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/**
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* Querry MPI about the world communicator.
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*/
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virtual int GetWorldRank(){ return 0; }
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virtual int GetWorldSize(){ return 1; }
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/**
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* Querry MPI about its state.
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*/
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virtual bool GetMPIInitialized(){ return false; }
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virtual bool GetMPIFinalized(){ return true; }
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};
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#endif
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// VTK-HeaderTest-Exclude: vtkPainterCommunicator.h
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