1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
/*=========================================================================
*
* Copyright Insight Software Consortium
*
* 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
*
* http://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 "itkComplexConjugateImageAdaptor.h"
#include "itkImageRegionIterator.h"
typedef std::complex< float > PixelType;
typedef itk::Image< PixelType, 2 > ImageType;
typedef itk::ComplexConjugateImageAdaptor< ImageType > AdaptorType;
int itkComplexConjugateImageAdaptorTest(int, char* [])
{
// Create a test image.
ImageType::Pointer image = ImageType::New();
ImageType::SizeType size = {{10, 10}};
image->SetRegions( size );
image->Allocate();
ImageType::RegionType region = image->GetLargestPossibleRegion();
srand( 50L );
itk::ImageRegionIterator< ImageType> iter( image, region );
for ( iter.GoToBegin(); !iter.IsAtEnd(); ++iter )
{
float randMax = static_cast< float >( RAND_MAX );
PixelType pixel( static_cast< float >( rand() ) / randMax,
static_cast< float >( rand() ) / randMax );
iter.Set( pixel );
}
image->FillBuffer( PixelType( 2.0, -3.7 ) );
// Create adaptor.
AdaptorType::Pointer adaptor = AdaptorType::New();
adaptor->SetImage( image );
// Iterate over the pixels and check the functioning of the adaptor.
itk::ImageRegionIterator< ImageType > iterA( image, region );
itk::ImageRegionIterator< AdaptorType > iterB( adaptor, region );
for ( iterA.GoToBegin(), iterB.GoToBegin();
!iterA.IsAtEnd(); ++iterA, ++iterB )
{
PixelType imageValue = iterA.Get();
PixelType adaptedValue = iterB.Get();
// Check that the adapted value is as expected.
if ( imageValue != std::conj( adaptedValue ) )
{
std::cerr << "Unexpected adapted pixel value." << std::endl;
std::cerr << "Got " << adaptedValue << ", expected " << imageValue
<< std::endl;
return EXIT_FAILURE;
}
// Try setting the value and reading it again.
iterB.Set( adaptedValue );
PixelType newValue = iterB.Get();
if ( adaptedValue != newValue )
{
std::cerr << "Setting adapted pixel value failed." << std::endl;
std::cerr << "Got " << newValue << ", expected " << adaptedValue
<< std::endl;
return EXIT_FAILURE;
}
}
// To improve code coverage
adaptor->Print( std::cout );
return EXIT_SUCCESS;
}
|
