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| ==PassImageToFunction.cxx==
| | {{warning|1=The media wiki content on this page is no longer maintained. The examples presented on the https://itk.org/Wiki/* pages likely require ITK version 4.13 or earlier releases. In many cases, the examples on this page no longer conform to the best practices for modern ITK versions.}} |
| <source lang="cpp">
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| #include <itkImage.h>
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| #include <iostream>
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| typedef itk::Image<float, 2> ImageType;
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| static void StandardPointer(const ImageType* input)
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| { | |
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| }
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| static void SmartPointer(const ImageType::Pointer input)
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| { | |
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| }
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| template <typename TImage>
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| static void TemplateSmartPointer(const typename TImage::Pointer input)
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| {
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| }
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| template <typename TImage>
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| static void TemplateStandardPointer(const TImage* input)
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| {
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| }
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| int main()
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| {
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| ImageType::Pointer image = ImageType::New();
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| itk::Index<2> corner = {{0,0}};
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| itk::Size<2> size = {{10,10}};
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| itk::ImageRegion<2> region(corner,size);
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| image->SetRegions(region);
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| image->Allocate();
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| // A function that accepts a standard pointer can be passed either a standard or a smart pointer
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| StandardPointer(image.GetPointer());
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| StandardPointer(image);
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| // A function that accepts a smart pointer can be passed either a standard or a smart pointer
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| SmartPointer(image.GetPointer());
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| SmartPointer(image); | |
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| // TemplateSmartPointer(image); // This does not work
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| //TemplateSmartPointer(image.GetPointer()); // This does not work
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| TemplateSmartPointer<ImageType>(image);
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| //TemplateStandardPointer(image); // This does not work
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| TemplateStandardPointer<ImageType>(image);
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| TemplateStandardPointer(image.GetPointer());
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|
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| return 0;
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| }
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| </source>
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| {{ITKCMakeLists|PassImageToFunction}}
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