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56 lines
2.0 KiB
56 lines
2.0 KiB
2 years ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkFilteringInformationKeyManager.h,v $
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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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// .NAME vtkFilteringInformationKeyManager - Manages key types in vtkFiltering.
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// .SECTION Description
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// vtkFilteringInformationKeyManager is included in the header of any
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// subclass of vtkInformationKey defined in the vtkFiltering library.
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// It makes sure that the table of keys is created before and
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// destroyed after it is used.
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#ifndef __vtkFilteringInformationKeyManager_h
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#define __vtkFilteringInformationKeyManager_h
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#include "vtkSystemIncludes.h"
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#include "vtkDebugLeaksManager.h" // DebugLeaks exists longer than info keys.
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class vtkInformationKey;
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class VTK_FILTERING_EXPORT vtkFilteringInformationKeyManager
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{
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public:
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vtkFilteringInformationKeyManager();
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~vtkFilteringInformationKeyManager();
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// Description:
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// Called by constructors of vtkInformationKey subclasses defined in
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// vtkFiltering to register themselves with the manager. The
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// instances will be deleted when vtkFiltering is unloaded on
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// program exit.
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static void Register(vtkInformationKey* key);
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private:
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static void ClassInitialize();
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static void ClassFinalize();
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};
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// This instance will show up in any translation unit that uses key
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// types defined in vtkFiltering or that has a singleton. It will
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// make sure vtkFilteringInformationKeyManager's vector of keys is
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// initialized before and destroyed after it is used.
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static vtkFilteringInformationKeyManager vtkFilteringInformationKeyManagerInstance;
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#endif
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