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/*=========================================================================
*
* Copyright NumFOCUS
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0.txt
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*=========================================================================*/
#include <iostream>
#include "itkBresenhamLine.h"
int
itkBresenhamLineTest(int, char *[])
{
{
// Test BuildLine(Vector, distance)
itk::Vector<float, 2> v;
v[0] = 1;
v[1] = 1;
itk::BresenhamLine<2> line;
std::vector<itk::Offset<2>> offsets = line.BuildLine(v, 4);
if (offsets.size() != 4)
{
std::cerr << "Test failed! 'offsets' should be length 4 and it is " << offsets.size() << std::endl;
return EXIT_FAILURE;
}
for (int i = 0; i < 4; ++i)
{
if (offsets[i][0] != i || offsets[i][1] != i)
{
std::cerr << "Test failed! offsets[" << i << "] should be (" << i << ", " << i << ") and it is " << offsets[i]
<< std::endl;
return EXIT_FAILURE;
}
}
}
{
// Test BuildLine(Index, Index)
itk::Index<2> p0;
p0[0] = 0;
p0[1] = 0;
itk::Index<2> p1;
p1[0] = 39;
p1[1] = 39;
itk::BresenhamLine<2> line;
std::vector<itk::Index<2>> indices = line.BuildLine(p0, p1);
if (indices.size() != 40)
{
std::cerr << "Test failed! 'indices' should be length 40 and it is " << indices.size() << std::endl;
return EXIT_FAILURE;
}
for (int i = 0; i < 40; ++i)
{
if (indices[i][0] != i || indices[i][1] != i)
{
std::cerr << "Test failed! indices[" << i << "] should be (" << i << ", " << i << ") and it is " << indices[i]
<< std::endl;
return EXIT_FAILURE;
}
}
}
std::cout << "Test Passed !" << std::endl;
return EXIT_SUCCESS;
}
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