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80 lines
3.0 KiB
80 lines
3.0 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkImageReader2Factory.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 vtkImageReader2Factory - Superclass of binary file readers.
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// .SECTION Description
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// vtkImageReader2Factory: This class is used to create a vtkImageReader2
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// object given a path name to a file. It calls CanReadFile on all
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// availiable readers until one of them returns ture. The availiable reader
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// list comes from three places. In the InitializeReaders function of this
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// class, built-in VTK classes are added to the list, users can call
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// RegisterReader, or users can create a vtkObjectFactory that has
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// CreateObject method that returns a new vtkImageReader2 sub class when
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// given the string "vtkImageReaderObject". This way applications can be
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// extened with new readers via a plugin dll or by calling RegisterReader.
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// Of course all of the readers that are part of the vtk release are made
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// automatically availiable.
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//
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// .SECTION See Also
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// vtkImageReader2
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#ifndef __vtkImageReader2Factory_h
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#define __vtkImageReader2Factory_h
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#include "vtkObject.h"
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class vtkImageReader2;
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class vtkImageReader2Collection;
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class vtkImageReader2FactoryCleanup;
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class VTK_IO_EXPORT vtkImageReader2Factory : public vtkObject
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{
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public:
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static vtkImageReader2Factory *New();
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vtkTypeRevisionMacro(vtkImageReader2Factory,vtkObject);
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void PrintSelf(ostream& os, vtkIndent indent);
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//Description: register a reader with the available readers.
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// registered readers will be queried in CreateImageReader2 to
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// see if they can load a given file.
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static void RegisterReader(vtkImageReader2* r);
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//Description: Given a path to a file find a reader that can
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// open the image file, it is the callers responsibility to call
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// Delete on the returned object. If no reader is found, null
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// is returned.
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static vtkImageReader2* CreateImageReader2(const char* path);
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// Description: get a list of the currently registered readers.
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// The caller must allocate the vtkImageReader2Collection and pass in the
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// pointer to this method.
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static void GetRegisteredReaders(vtkImageReader2Collection* );
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protected:
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vtkImageReader2Factory();
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~vtkImageReader2Factory();
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// Description: Initialize availiable readers list.
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static void InitializeReaders();
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private:
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static vtkImageReader2Collection* AvailableReaders;
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vtkImageReader2Factory(const vtkImageReader2Factory&); // Not implemented.
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void operator=(const vtkImageReader2Factory&); // Not implemented.
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//BTX
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friend class vtkImageReader2FactoryCleanup;
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//ETX
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};
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#endif
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