ITK  4.2.0
Insight Segmentation and Registration Toolkit
itkBresenhamLine.h
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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 __itkBresenhamLine_h
19 #define __itkBresenhamLine_h
20 
21 #include "itkVector.h"
22 #include "itkIndex.h"
23 #include <vector>
24 
25 namespace itk
26 {
27 /* a simple class that will return an array of indexes that are
28 * offsets along the line. The line will be described by a vector and a
29 * length */
30 
31 template< unsigned int VDimension >
32 class ITK_EXPORT BresenhamLine
33 {
34 public:
36  // This defines the line direction
40  typedef std::vector< OffsetType > OffsetArray;
41  typedef std::vector< IndexType > IndexArray;
42 
43  // constructurs
46 
48  OffsetArray BuildLine(LType Direction, unsigned int length);
49 
51  IndexArray BuildLine(IndexType p0, IndexType p1);
52 };
53 }
54 
55 #ifndef ITK_MANUAL_INSTANTIATION
56 #include "itkBresenhamLine.hxx"
57 #endif
58 
59 #endif
60