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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.
*
*=========================================================================*/
#ifndef itkBresenhamLine_h
#define itkBresenhamLine_h
#include "itkVector.h"
#include "itkIndex.h"
#include <vector>
namespace itk
{
/** \class BresenhamLine
* \brief Compute indices along a line in n dimensions.
*
* Returns an array of indices that are offsets along the line.
* The line can be described by a direction vector and a length.
* The line can be described by starting and ending indices.
*
* \ingroup ImageAccess
* \ingroup ITKCommon
*
* \sphinx
* \sphinxexample{Core/Common/BresenhamLine,Bresenham Line}
* \endsphinx
*/
template <unsigned int VDimension>
class ITK_TEMPLATE_EXPORT BresenhamLine
{
public:
using Self = BresenhamLine;
// This defines the line direction
using LType = Vector<float, VDimension>;
using OffsetType = Offset<VDimension>;
using IndexType = Index<VDimension>;
using OffsetArray = std::vector<OffsetType>;
using IndexArray = std::vector<IndexType>;
/** Build a line in a specified Direction. */
OffsetArray
BuildLine(LType Direction, IdentifierType length);
/** Build a line between two pixels. */
IndexArray
BuildLine(IndexType p0, IndexType p1);
};
} // namespace itk
#ifndef ITK_MANUAL_INSTANTIATION
# include "itkBresenhamLine.hxx"
#endif
#endif
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