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
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
|
/*=========================================================================
*
* 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 "itkBMPImageIO.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkImageRegionConstIterator.h"
#include "itkMetaDataDictionary.h"
#include "itkTestingMacros.h"
#include <fstream>
#define SPECIFIC_IMAGEIO_MODULE_TEST
int itkBMPImageIOTestPalette( int argc, char* argv[] )
{
if( argc != 5 )
{
std::cerr << "Usage: " << argv[0]
<< " input"
<< " output"
<< " expandRGBPalette"
<< " isPaletteImage" << std::endl;
return EXIT_FAILURE;
}
const unsigned int Dimension = 2;
typedef unsigned char ScalarPixelType;
typedef itk::Image< ScalarPixelType, Dimension > ScalarImageType;
typedef itk::ImageFileReader< ScalarImageType > ReaderType;
typedef itk::ImageFileWriter< ScalarImageType > WriterType;
typedef itk::BMPImageIO IOType;
IOType::Pointer io = IOType::New();
ReaderType::Pointer reader = ReaderType::New();
WriterType::Pointer writer = WriterType::New();
EXERCISE_BASIC_OBJECT_METHODS( io, BMPImageIO, ImageIOBase );
const bool expandRGBPalette = static_cast< bool >( atoi(argv[3]) );
const bool isPaletteImage = static_cast< bool >( atoi(argv[4]) );
TEST_SET_GET_BOOLEAN( io, ExpandRGBPalette, expandRGBPalette );
// Exercise exception cases
size_t sizeOfActualIORegion = io->GetIORegion().GetNumberOfPixels() *
( io->GetComponentSize() * io->GetNumberOfComponents() );
char *loadBuffer = new char[sizeOfActualIORegion];
TRY_EXPECT_EXCEPTION( io->Read( loadBuffer ) );
io->SetFileName( argv[1] );
reader->SetImageIO( io );
reader->SetFileName( io->GetFileName() );
if( io->CanReadFile( "" ) )
{
std::cerr << "Test failed!" << std::endl;
std::cout << "No filename specified." << std::endl;
std::cout << "CanReadFile: "
<< "Expected false but got true" << std::endl;
return EXIT_FAILURE;
}
if( !io->SupportsDimension( Dimension ) )
{
std::cerr << "Test failed!" << std::endl;
std::cerr << "itk::BMPImageIO does not support dimension: " << Dimension << std::endl;
return EXIT_FAILURE;
}
if( io->CanStreamRead() )
{
std::cout << "itk::BMPImageIO can stream read" << std::endl;
}
else
{
std::cout << "itk::BMPImageIO cannot stream read" << std::endl;
}
if( !io->CanReadFile( argv[1] ) )
{
std::cerr << "Test failed!" << std::endl;
std::cout << "itk::BMPImageIO cannot read file "
<< argv[1] << std::endl;
return EXIT_FAILURE;
}
// Try reading
TRY_EXPECT_NO_EXCEPTION( reader->Update() );
// Try Palette reading and scalar image reading
if( io->GetExpandRGBPalette() )
{
if( isPaletteImage )
{
std::cout << "Input is a defined as palette image, expanding to RGB. " << std::endl;
}
else
{
std::cout << "Input is a defined as a non palette image. " << std::endl;
}
}
else
{
if( isPaletteImage )
{
std::cout << "Input is a defined as palette image, trying to read it as scalar. " << std::endl;
}
}
if( !io->GetExpandRGBPalette() && isPaletteImage )
{
if( io->GetIsReadAsScalarPlusPalette() )
{
std::cout << "Image read as Scalar." << std::endl;
// print palette
IOType::PaletteType palette = io->GetColorPalette();
std::cout << "Palette: " << std::endl;
for( unsigned int i = 0; i < palette.size(); ++i )
{
std::cout << "[" << i << "]:" << palette[i] << std::endl;
}
}
else
{
std::cerr << "Test failed!" << std::endl;
std::cerr << "Cannot read data of this palette image as scalar "
<< io->GetFileName() << std::endl;
return EXIT_FAILURE;
}
}
else
{
std::cout << "Image read as Greyscale (conversion)." << std::endl;
}
// Try writing
writer->SetInput( reader->GetOutput() );
writer->SetImageIO( io );
writer->SetFileName( argv[2] );
TRY_EXPECT_NO_EXCEPTION( writer->Update() );
// Exercise other methods
itk::ImageIOBase::SizeType pixelStride = io->GetPixelStride();
std::cout << "PixelStride: "
<< itk::NumericTraits< itk::ImageIOBase::SizeType >::PrintType( pixelStride )
<< std::endl;
// ToDo
// When the palette has made into the Metadata Dictionary (as opposed to the ImageIO):
// Use the MetaDataDictionary
// io->SetMetaDataDictionary();
// Release memory
delete[] loadBuffer;
std::cout << "Test finished" << std::endl;
return EXIT_SUCCESS;
}
|
