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#include "ITKWrap.hpp"
#include <itkGrayscaleErodeImageFilter.h>
template <int dims, DataClass dataclass, class PixelClass>
static Array TGrayscaleErodeBallFunction(const ArrayVector & arg)
{
typedef itk::Image<PixelClass, dims> ITKType;
typename ITKType::Pointer imageIn = CreateITKFromArray<dims,dataclass,PixelClass>(arg[0]);
typedef itk::BinaryBallStructuringElement<PixelClass, dims> KernelType;
KernelType kernel;
typedef itk::GrayscaleErodeImageFilter<ITKType, ITKType, KernelType> FilterType;
typename FilterType::Pointer filter = FilterType::New();
if (arg.size() > 2)
kernel.SetRadius(arg[2].asInteger());
else
kernel.SetRadius(1);
kernel.CreateStructuringElement();
filter->SetKernel(kernel);
filter->SetInput(imageIn);
filter->Update();
return CreateArrayFromITK<dims,dataclass,PixelClass>(filter->GetOutput());
}
template <int dims, DataClass dataclass, class PixelClass>
static Array TGrayscaleErodeCrossFunction(const ArrayVector & arg)
{
typedef itk::Image<PixelClass, dims> ITKType;
typename ITKType::Pointer imageIn = CreateITKFromArray<dims,dataclass,PixelClass>(arg[0]);
typedef itk::BinaryCrossStructuringElement<PixelClass, dims> KernelType;
KernelType kernel;
typedef itk::GrayscaleErodeImageFilter<ITKType, ITKType, KernelType> FilterType;
typename FilterType::Pointer filter = FilterType::New();
kernel.CreateStructuringElement();
filter->SetKernel(kernel);
filter->SetInput(imageIn);
filter->Update();
return CreateArrayFromITK<dims,dataclass,PixelClass>(filter->GetOutput());
}
//@@Signature
//gfunction grayscaleerode GrayscaleErodeFunction
//input x type radius
//output y
ArrayVector GrayscaleErodeFunction(int nargout, const ArrayVector &arg)
{
QString type = "ball";
if (arg.size() >= 2) type = arg[1].asString().toLower();
if (arg.size() == 0)
return ArrayVector();
if (type == "ball")
{
ITKCases(TGrayscaleErodeBallFunction,arg);
}
if (type == "cross")
{
ITKCases(TGrayscaleErodeCrossFunction,arg);
}
throw Exception("Unsupported kernel type -- it must be either 'ball' or 'cross'");
}
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