1 /*=========================================================================
2  *
3  *  Copyright Insight Software Consortium
4  *
5  *  Licensed under the Apache License, Version 2.0 (the "License");
6  *  you may not use this file except in compliance with the License.
7  *  You may obtain a copy of the License at
8  *
9  *         http://www.apache.org/licenses/LICENSE-2.0.txt
10  *
11  *  Unless required by applicable law or agreed to in writing, software
12  *  distributed under the License is distributed on an "AS IS" BASIS,
13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  *  See the License for the specific language governing permissions and
15  *  limitations under the License.
16  *
17  *=========================================================================*/
18 #ifndef itkVanHerkGilWermanUtilities_h
19 #define itkVanHerkGilWermanUtilities_h
20 
21 #include <list>
22 
23 #include "itkSharedMorphologyUtilities.h"
24 
25 namespace itk
26 {
27 /**
28  * \class VanHerkGilWermanUtilities
29  * \brief functionality in common for anchor openings/closings and
30  * erosions/dilation
31  *
32  * \ingroup ITKMathematicalMorphology
33  */
34 template< typename PixelType, typename TFunction >
35 void FillReverseExt(std::vector<PixelType> & pixbuffer,
36                     std::vector<PixelType> & rExtBuffer,
37                     const unsigned int KernLen, unsigned len);
38 
39 template< typename PixelType, typename TFunction >
40 void FillForwardExt(std::vector<PixelType> & pixbuffer,
41                     std::vector<PixelType> & fExtBuffer,
42                     const unsigned int KernLen, unsigned len);
43 
44 template< typename TImage, typename TBres, typename TFunction, typename TLine >
45 void DoFace(typename TImage::ConstPointer input,
46             typename TImage::Pointer output,
47             typename TImage::PixelType border,
48             TLine line,
49             const typename TBres::OffsetArray LineOffsets,
50             const unsigned int KernLen,
51             std::vector<typename TImage::PixelType> & pixbuffer,
52             std::vector<typename TImage::PixelType> & fExtBuffer,
53             std::vector<typename TImage::PixelType> & rExtBuffer,
54             const typename TImage::RegionType AllImage,
55             const typename TImage::RegionType face);
56 } // namespace itk
57 
58 #ifndef ITK_MANUAL_INSTANTIATION
59 #include "itkVanHerkGilWermanUtilities.hxx"
60 #endif
61 
62 #endif
63