ITK  4.9.0
Insight Segmentation and Registration Toolkit
itkRGBToLuminanceImageAdaptor.h
Go to the documentation of this file.
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 itkRGBToLuminanceImageAdaptor_h
19 #define itkRGBToLuminanceImageAdaptor_h
20 
21 #include "itkImageAdaptor.h"
22 #include "vnl/vnl_math.h"
23 
24 namespace itk
25 {
26 namespace Accessor
27 {
40 template< typename TInternalType, typename TExternalType >
42 {
43 public:
46  typedef TExternalType ExternalType;
47 
50  typedef TInternalType InternalType;
51 
52  static inline void Set(TInternalType & output, const TExternalType & input)
53  { output = static_cast< TInternalType >( input.GetLuminance() ); }
54 
55  static inline TExternalType Get(const TInternalType & input)
56  { return static_cast< TExternalType >( input.GetLuminance() ); }
57 };
58 } // end namespace Accessor
59 
70 template< typename TImage, typename TOutputPixelType >
72  ImageAdaptor< TImage,
73  Accessor::RGBToLuminancePixelAccessor<
74  typename TImage::PixelType,
75  TOutputPixelType > >
76 {
77 public:
81  typename TImage::PixelType,
82  TOutputPixelType > > Superclass;
85 
87  itkNewMacro(Self);
88 
91 
92 protected:
95 
96 private:
97  RGBToLuminanceImageAdaptor(const Self &) ITK_DELETE_FUNCTION;
98  void operator=(const Self &) ITK_DELETE_FUNCTION;
99 };
100 } // end namespace itk
101 
102 #endif
Give access to Luminance of a color pixel type.
ImageAdaptor< TImage, Accessor::RGBToLuminancePixelAccessor< typename TImage::PixelType, TOutputPixelType > > Superclass
static void Set(TInternalType &output, const TExternalType &input)
static TExternalType Get(const TInternalType &input)
Give access to partial aspects of voxels from an Image.
Presents a color image as being composed of the Luminance of its pixels.
Base class for all data objects in ITK.