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87 lines
2.8 KiB
C
87 lines
2.8 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkImageReader2Factory.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 vtkImageReader2Factory
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* @brief Superclass of binary file readers.
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*
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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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* available readers until one of them returns true. The available 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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* extended 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 available.
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*
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* @sa
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* vtkImageReader2
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*/
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#ifndef vtkImageReader2Factory_h
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#define vtkImageReader2Factory_h
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#include "vtkIOImageModule.h" // For export macro
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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 VTKIOIMAGE_EXPORT vtkImageReader2Factory : public vtkObject
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{
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public:
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static vtkImageReader2Factory* New();
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vtkTypeMacro(vtkImageReader2Factory, vtkObject);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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/**
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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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*/
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static void RegisterReader(vtkImageReader2* r);
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/**
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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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*/
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VTK_NEWINSTANCE
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static vtkImageReader2* CreateImageReader2(const char* path);
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/**
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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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*/
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static void GetRegisteredReaders(vtkImageReader2Collection*);
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protected:
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vtkImageReader2Factory();
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~vtkImageReader2Factory() override;
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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&) = delete;
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void operator=(const vtkImageReader2Factory&) = delete;
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friend class vtkImageReader2FactoryCleanup;
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};
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#endif
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