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// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#ifndef vtkRegressionTestImage_h
#define vtkRegressionTestImage_h
// Includes and a macro necessary for saving the image produced by a cxx
// example program. This capability is critical for regression testing.
// This function returns 1 if test passed, 0 if test failed.
#include "vtkTesting.h"
VTK_ABI_NAMESPACE_BEGIN
class vtkRegressionTester : public vtkTesting
{
public:
// 0.05 threshold is arbitrary but found to
// allow most graphics system variances to pass
// when they should and fail when they should
static constexpr double ErrorThreshold = 0.05;
protected:
vtkRegressionTester() = default;
~vtkRegressionTester() override = default;
private:
vtkRegressionTester(const vtkRegressionTester&) = delete;
void operator=(const vtkRegressionTester&) = delete;
};
#define vtkRegressionTestImage(rw) \
vtkTesting::Test(argc, argv, rw, vtkRegressionTester::ErrorThreshold)
#define vtkRegressionTestImageThreshold(rw, t) vtkTesting::Test(argc, argv, rw, t)
#define vtkRegressionTestPassForMesaLessThan(rw, major, minor, patch) \
do \
{ \
int mesaVersion[3] = {}; \
if (vtkTesting::GetMesaVersion(rw, mesaVersion)) \
{ \
if (mesaVersion[0] < major || (mesaVersion[0] == major && mesaVersion[1] < minor) || \
(mesaVersion[0] == major && mesaVersion[1] == minor && mesaVersion[2] < patch)) \
{ \
return EXIT_SUCCESS; \
} \
} \
} while (false)
VTK_ABI_NAMESPACE_END
#endif // vtkRegressionTestImage_h
// VTK-HeaderTest-Exclude: vtkRegressionTestImage.h
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