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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkNew.h"
#include "vtkRegressionTestImage.h"
#include "vtkTestUtilities.h"
#include "vtkCamera.h"
#include "vtkImageData.h"
#include "vtkImageMathematics.h"
#include "vtkImageProperty.h"
#include "vtkImageSlice.h"
#include "vtkImageSliceMapper.h"
#include "vtkRenderWindow.h"
#include "vtkRenderWindowInteractor.h"
#include "vtkRenderer.h"
#include "vtkMRCReader.h"
#include <string>
static const char* dispfile = "Data/mrc/emd_1056.mrc";
static void TestDisplay(vtkRenderWindow* renwin, const char* infile)
{
vtkNew<vtkMRCReader> reader;
reader->SetFileName(infile);
reader->Update();
int size[3];
double center[3], spacing[3];
reader->GetOutput()->GetDimensions(size);
reader->GetOutput()->GetCenter(center);
reader->GetOutput()->GetSpacing(spacing);
double center1[3] = { center[0], center[1], center[2] };
if (size[2] % 2 == 1)
{
center1[2] += 0.5 * spacing[2];
}
double vrange[2];
reader->GetOutput()->GetScalarRange(vrange);
vtkNew<vtkImageSliceMapper> map1;
map1->BorderOn();
map1->SliceAtFocalPointOn();
map1->SliceFacesCameraOn();
map1->SetInputConnection(reader->GetOutputPort());
vtkNew<vtkImageSlice> slice1;
slice1->SetMapper(map1);
slice1->GetProperty()->SetColorWindow(vrange[1] - vrange[0]);
slice1->GetProperty()->SetColorLevel(0.5 * (vrange[0] + vrange[1]));
vtkNew<vtkRenderer> ren1;
ren1->SetViewport(0, 0, 1.0, 1.0);
ren1->AddViewProp(slice1);
vtkCamera* cam1 = ren1->GetActiveCamera();
cam1->ParallelProjectionOn();
cam1->SetParallelScale(0.5 * spacing[1] * size[1]);
cam1->SetFocalPoint(center1[0], center1[1], center1[2]);
cam1->SetPosition(center1[0], center1[1], center1[2] - 100.0);
renwin->SetSize(size[0], size[1]);
renwin->AddRenderer(ren1);
}
int TestMRCReader(int argc, char* argv[])
{
// perform the display test
char* infile = vtkTestUtilities::ExpandDataFileName(argc, argv, dispfile);
if (!infile)
{
cerr << "Could not locate input file " << dispfile << "\n";
return 1;
}
std::string inpath = infile;
delete[] infile;
vtkNew<vtkRenderWindow> renwin;
vtkNew<vtkRenderWindowInteractor> iren;
iren->SetRenderWindow(renwin);
TestDisplay(renwin, inpath.c_str());
int retVal = vtkRegressionTestImage(renwin);
if (retVal == vtkRegressionTester::DO_INTERACTOR)
{
renwin->Render();
iren->Start();
retVal = vtkRegressionTester::PASSED;
}
return (retVal != vtkRegressionTester::PASSED);
}
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