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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
|
/*=========================================================================
*
* 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 <iostream>
#include "itkExtractImageFilter.h"
#include "itkTestingMacros.h"
#include "itkCommand.h"
//
// This test ensures the abort event occurs and the ProcessAborted
// exception occurs.
//
namespace
{
bool onAbortCalled = false;
void onProgress( itk::Object *obj, const itk::EventObject &, void *)
{
itk::ProcessObject::Pointer p( dynamic_cast<itk::ProcessObject*>(obj) );
if ( p.IsNull() )
{
return;
}
if ( p->GetProgress() > .1 )
{
std::cout << "Setting AbortGenerateDataOn()" << std::endl;
p->AbortGenerateDataOn();
}
}
void onAbort( itk::Object *, const itk::EventObject &, void *)
{
std::cout << "Abort Event" << std::endl;
onAbortCalled = true;
}
}
int itkAbortProcessObjectTest(int, char* [] )
{
// typedefs to simplify the syntax
typedef itk::Image<short, 2> ShortImage;
ShortImage::Pointer img = ShortImage::New();
// fill in an image
const ShortImage::IndexType index = {{0, 0}};
const ShortImage::SizeType size = {{100, 100}};
ShortImage::RegionType region;
region.SetSize( size );
region.SetIndex( index );
img->SetRegions( region );
img->Allocate();
itk::ImageRegionIterator<ShortImage> iterator(img, region);
short i=0;
while( !iterator.IsAtEnd() )
{
iterator.Set( i++ );
++iterator;
}
// Create a filter
itk::ExtractImageFilter< ShortImage, ShortImage >::Pointer extract;
extract = itk::ExtractImageFilter< ShortImage, ShortImage >::New();
extract->SetInput( img );
// fill in an image
ShortImage::IndexType extractIndex = {{0, 0}};
ShortImage::SizeType extractSize = {{99, 99}};
ShortImage::RegionType extractRegion;
extractRegion.SetSize( extractSize );
extractRegion.SetIndex( extractIndex );
extract->SetExtractionRegion(extractRegion);
itk::CStyleCommand::Pointer progressCmd = itk::CStyleCommand::New();
progressCmd->SetCallback(onProgress);
progressCmd->SetObjectName("Aborting Command");
extract->AddObserver(itk::ProgressEvent(), progressCmd);
itk::CStyleCommand::Pointer abortCmd = itk::CStyleCommand::New();
abortCmd->SetCallback(onAbort);
extract->AddObserver(itk::AbortEvent(), abortCmd);
std::cout << extract << std::endl;
try
{
extract->UpdateLargestPossibleRegion();
}
catch(itk::ProcessAborted &)
{
if (onAbortCalled)
{
return EXIT_SUCCESS;
}
std::cout << "Caught expected abort exception, but didn't get Abort Event!";
}
return EXIT_FAILURE;
}
|
