#include "itksys/SystemTools.hxx"
#include <sstream>
#ifdef ENABLE_QUICKVIEW
#endif
namespace
{
using PixelType = unsigned char;
}
static void
CreateImage(ImageType::Pointer image);
int
main(int argc, char * argv[])
{
ImageType::Pointer image;
if (argc < 2)
{
image = ImageType::New();
CreateImage(image.GetPointer());
}
else
{
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(argv[1]);
reader->Update();
image = reader->GetOutput();
}
ConnectedComponentImageFilterType::Pointer connectedComponentImageFilter = ConnectedComponentImageFilterType::New();
connectedComponentImageFilter->SetInput(image);
LabelContourImageFilterType::Pointer labelContourImageFilter = LabelContourImageFilterType::New();
labelContourImageFilter->SetInput(connectedComponentImageFilter->GetOutput());
RGBFilterType::Pointer rgbFilter = RGBFilterType::New();
rgbFilter->SetInput(labelContourImageFilter->GetOutput());
#ifdef ENABLE_QUICKVIEW
image.GetPointer(), true, argc > 1 ? itksys::SystemTools::GetFilenameName(argv[1]) : "Generated image");
std::stringstream desc;
desc << "LabelContourImageFilter";
viewer.
AddRGBImage(rgbFilter->GetOutput(),
true, desc.str());
#endif
return EXIT_SUCCESS;
}
void
CreateImage(ImageType::Pointer image)
{
start[0] = 0;
start[1] = 0;
unsigned int NumRows = 200;
unsigned int NumCols = 300;
size[0] = NumRows;
size[1] = NumCols;
region.SetIndex(start);
image->SetRegions(region);
image->Allocate();
for (unsigned int r = 20; r < 80; r++)
{
for (unsigned int c = 30; c < 100; c++)
{
pixelIndex[0] = r;
pixelIndex[1] = c;
image->SetPixel(pixelIndex, 255);
}
}
for (unsigned int r = 100; r < 130; r++)
{
for (unsigned int c = 115; c < 160; c++)
{
pixelIndex[0] = r;
pixelIndex[1] = c;
image->SetPixel(pixelIndex, 255);
}
}
}