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80 lines
2.4 KiB
C
80 lines
2.4 KiB
C
3 weeks ago
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/*=========================================================================
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Program: Visualization Toolkit
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Module: vtkArrayIterator.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 vtkArrayIterator
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* @brief Abstract superclass to iterate over elements
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* in an vtkAbstractArray.
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*
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*
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* vtkArrayIterator is used to iterate over elements in any
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* vtkAbstractArray subclass. The vtkArrayIteratorTemplateMacro is used
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* to centralize the set of types supported by Execute methods. It also
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* avoids duplication of long switch statement case lists.
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*
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* Note that in this macro VTK_TT is defined to be the type of the
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* iterator for the given type of array. One must include the
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* vtkArrayIteratorIncludes.h header file to provide for extending of
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* this macro by addition of new iterators.
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*
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* Example usage:
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* \code
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* vtkArrayIter* iter = array->NewIterator();
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* switch(array->GetDataType())
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* {
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* vtkArrayIteratorTemplateMacro(myFunc(static_cast<VTK_TT*>(iter), arg2));
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* }
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* iter->Delete();
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* \endcode
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*/
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#ifndef vtkArrayIterator_h
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#define vtkArrayIterator_h
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#include "vtkCommonCoreModule.h" // For export macro
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#include "vtkObject.h"
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class vtkAbstractArray;
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class VTKCOMMONCORE_EXPORT vtkArrayIterator : public vtkObject
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{
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public:
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vtkTypeMacro(vtkArrayIterator, vtkObject);
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void PrintSelf(ostream& os, vtkIndent indent) override;
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/**
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* Set the array this iterator will iterate over.
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* After Initialize() has been called, the iterator is valid
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* so long as the Array has not been modified
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* (except using the iterator itself).
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* If the array is modified, the iterator must be re-initialized.
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*/
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virtual void Initialize(vtkAbstractArray* array) = 0;
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/**
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* Get the data type from the underlying array. Returns 0 if
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* no underlying array is present.
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*/
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virtual int GetDataType() const = 0;
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protected:
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vtkArrayIterator();
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~vtkArrayIterator() override;
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private:
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vtkArrayIterator(const vtkArrayIterator&) = delete;
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void operator=(const vtkArrayIterator&) = delete;
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};
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#endif
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