Mercurial > hg > orthanc
annotate Core/DicomFormat/DicomImageInformation.cpp @ 3530:b26b6ea27648
endianness to string
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Wed, 02 Oct 2019 11:13:32 +0200 |
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children | 94f4a18a79cc |
rev | line source |
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853 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
1900 | 3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
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5 * Copyright (C) 2017-2019 Osimis S.A., Belgium |
853 | 6 * |
7 * This program is free software: you can redistribute it and/or | |
8 * modify it under the terms of the GNU General Public License as | |
9 * published by the Free Software Foundation, either version 3 of the | |
10 * License, or (at your option) any later version. | |
11 * | |
12 * In addition, as a special exception, the copyright holders of this | |
13 * program give permission to link the code of its release with the | |
14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
15 * that use the same license as the "OpenSSL" library), and distribute | |
16 * the linked executables. You must obey the GNU General Public License | |
17 * in all respects for all of the code used other than "OpenSSL". If you | |
18 * modify file(s) with this exception, you may extend this exception to | |
19 * your version of the file(s), but you are not obligated to do so. If | |
20 * you do not wish to do so, delete this exception statement from your | |
21 * version. If you delete this exception statement from all source files | |
22 * in the program, then also delete it here. | |
3007 | 23 * |
853 | 24 * This program is distributed in the hope that it will be useful, but |
25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
27 * General Public License for more details. | |
28 * | |
29 * You should have received a copy of the GNU General Public License | |
30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
31 **/ | |
32 | |
33 | |
34 #include "../PrecompiledHeaders.h" | |
35 | |
36 #ifndef NOMINMAX | |
37 #define NOMINMAX | |
38 #endif | |
39 | |
40 #include "DicomImageInformation.h" | |
41 | |
42 #include "../OrthancException.h" | |
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43 #include "../Toolbox.h" |
853 | 44 #include <boost/lexical_cast.hpp> |
45 #include <limits> | |
46 #include <cassert> | |
47 #include <stdio.h> | |
2870 | 48 #include <memory> |
853 | 49 |
50 namespace Orthanc | |
51 { | |
52 DicomImageInformation::DicomImageInformation(const DicomMap& values) | |
53 { | |
54 unsigned int pixelRepresentation; | |
55 unsigned int planarConfiguration = 0; | |
56 | |
57 try | |
58 { | |
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59 std::string p = values.GetValue(DICOM_TAG_PHOTOMETRIC_INTERPRETATION).GetContent(); |
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60 Toolbox::ToUpperCase(p); |
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61 |
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62 if (p == "RGB") |
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63 { |
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64 photometric_ = PhotometricInterpretation_RGB; |
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65 } |
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66 else if (p == "MONOCHROME1") |
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67 { |
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68 photometric_ = PhotometricInterpretation_Monochrome1; |
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69 } |
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70 else if (p == "MONOCHROME2") |
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71 { |
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72 photometric_ = PhotometricInterpretation_Monochrome2; |
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73 } |
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74 else if (p == "PALETTE COLOR") |
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75 { |
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76 photometric_ = PhotometricInterpretation_Palette; |
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77 } |
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78 else if (p == "HSV") |
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79 { |
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80 photometric_ = PhotometricInterpretation_HSV; |
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81 } |
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82 else if (p == "ARGB") |
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83 { |
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84 photometric_ = PhotometricInterpretation_ARGB; |
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85 } |
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86 else if (p == "CMYK") |
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87 { |
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88 photometric_ = PhotometricInterpretation_CMYK; |
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89 } |
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90 else if (p == "YBR_FULL") |
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91 { |
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92 photometric_ = PhotometricInterpretation_YBRFull; |
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93 } |
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94 else if (p == "YBR_FULL_422") |
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95 { |
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96 photometric_ = PhotometricInterpretation_YBRFull422; |
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97 } |
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98 else if (p == "YBR_PARTIAL_420") |
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99 { |
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100 photometric_ = PhotometricInterpretation_YBRPartial420; |
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101 } |
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102 else if (p == "YBR_PARTIAL_422") |
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103 { |
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104 photometric_ = PhotometricInterpretation_YBRPartial422; |
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105 } |
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106 else if (p == "YBR_ICT") |
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107 { |
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108 photometric_ = PhotometricInterpretation_YBR_ICT; |
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109 } |
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110 else if (p == "YBR_RCT") |
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111 { |
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112 photometric_ = PhotometricInterpretation_YBR_RCT; |
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113 } |
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114 else |
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115 { |
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116 photometric_ = PhotometricInterpretation_Unknown; |
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117 } |
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118 |
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119 values.GetValue(DICOM_TAG_COLUMNS).ParseFirstUnsignedInteger(width_); // in some US images, we've seen tag values of "800\0"; that's why we parse the 'first' value |
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120 values.GetValue(DICOM_TAG_ROWS).ParseFirstUnsignedInteger(height_); |
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121 |
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122 bitsAllocated_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_BITS_ALLOCATED).GetContent()); |
853 | 123 |
124 try | |
125 { | |
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126 samplesPerPixel_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_SAMPLES_PER_PIXEL).GetContent()); |
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127 } |
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128 catch (OrthancException&) |
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129 { |
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130 samplesPerPixel_ = 1; // Assume 1 color channel |
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131 } |
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132 |
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133 try |
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134 { |
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135 bitsStored_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_BITS_STORED).GetContent()); |
853 | 136 } |
137 catch (OrthancException&) | |
138 { | |
139 bitsStored_ = bitsAllocated_; | |
140 } | |
141 | |
142 try | |
143 { | |
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144 highBit_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_HIGH_BIT).GetContent()); |
853 | 145 } |
146 catch (OrthancException&) | |
147 { | |
148 highBit_ = bitsStored_ - 1; | |
149 } | |
150 | |
151 try | |
152 { | |
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153 pixelRepresentation = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_PIXEL_REPRESENTATION).GetContent()); |
853 | 154 } |
155 catch (OrthancException&) | |
156 { | |
157 pixelRepresentation = 0; // Assume unsigned pixels | |
158 } | |
159 | |
160 if (samplesPerPixel_ > 1) | |
161 { | |
162 // The "Planar Configuration" is only set when "Samples per Pixels" is greater than 1 | |
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163 // http://dicom.nema.org/medical/dicom/current/output/html/part03.html#sect_C.7.6.3.1.3 |
853 | 164 try |
165 { | |
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166 planarConfiguration = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_PLANAR_CONFIGURATION).GetContent()); |
853 | 167 } |
168 catch (OrthancException&) | |
169 { | |
170 planarConfiguration = 0; // Assume interleaved color channels | |
171 } | |
172 } | |
173 } | |
174 catch (boost::bad_lexical_cast&) | |
175 { | |
176 throw OrthancException(ErrorCode_NotImplemented); | |
177 } | |
178 catch (OrthancException&) | |
179 { | |
180 throw OrthancException(ErrorCode_NotImplemented); | |
181 } | |
182 | |
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183 if (values.HasTag(DICOM_TAG_NUMBER_OF_FRAMES)) |
853 | 184 { |
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185 try |
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186 { |
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187 numberOfFrames_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_NUMBER_OF_FRAMES).GetContent()); |
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188 } |
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189 catch (boost::bad_lexical_cast&) |
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190 { |
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191 throw OrthancException(ErrorCode_NotImplemented); |
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192 } |
853 | 193 } |
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194 else |
853 | 195 { |
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196 numberOfFrames_ = 1; |
853 | 197 } |
198 | |
3007 | 199 if (bitsAllocated_ != 8 && bitsAllocated_ != 16 && |
200 bitsAllocated_ != 24 && bitsAllocated_ != 32) | |
853 | 201 { |
3007 | 202 throw OrthancException(ErrorCode_IncompatibleImageFormat, "Image not supported: " + boost::lexical_cast<std::string>(bitsAllocated_) + " bits allocated"); |
203 } | |
204 else if (numberOfFrames_ == 0) | |
205 { | |
206 throw OrthancException(ErrorCode_IncompatibleImageFormat, "Image not supported (no frames)"); | |
207 } | |
208 else if (planarConfiguration != 0 && planarConfiguration != 1) | |
209 { | |
210 throw OrthancException(ErrorCode_IncompatibleImageFormat, "Image not supported: planar configuration is " + boost::lexical_cast<std::string>(planarConfiguration)); | |
853 | 211 } |
212 | |
213 if (samplesPerPixel_ == 0) | |
214 { | |
3007 | 215 throw OrthancException(ErrorCode_IncompatibleImageFormat, "Image not supported: samples per pixel is 0"); |
853 | 216 } |
217 | |
860 | 218 bytesPerValue_ = bitsAllocated_ / 8; |
853 | 219 |
220 isPlanar_ = (planarConfiguration != 0 ? true : false); | |
221 isSigned_ = (pixelRepresentation != 0 ? true : false); | |
222 } | |
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223 |
2870 | 224 DicomImageInformation* DicomImageInformation::Clone() const |
225 { | |
226 std::auto_ptr<DicomImageInformation> target(new DicomImageInformation); | |
227 target->width_ = width_; | |
228 target->height_ = height_; | |
229 target->samplesPerPixel_ = samplesPerPixel_; | |
230 target->numberOfFrames_ = numberOfFrames_; | |
231 target->isPlanar_ = isPlanar_; | |
232 target->isSigned_ = isSigned_; | |
233 target->bytesPerValue_ = bytesPerValue_; | |
234 target->bitsAllocated_ = bitsAllocated_; | |
235 target->bitsStored_ = bitsStored_; | |
236 target->highBit_ = highBit_; | |
237 target->photometric_ = photometric_; | |
238 | |
239 return target.release(); | |
240 } | |
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241 |
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242 bool DicomImageInformation::ExtractPixelFormat(PixelFormat& format, |
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243 bool ignorePhotometricInterpretation) const |
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244 { |
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245 if (photometric_ == PhotometricInterpretation_Palette) |
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246 { |
2423
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247 if (GetBitsStored() == 8 && GetChannelCount() == 1 && !IsSigned()) |
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248 { |
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249 format = PixelFormat_RGB24; |
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250 return true; |
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251 } |
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252 |
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253 if (GetBitsStored() == 16 && GetChannelCount() == 1 && !IsSigned()) |
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254 { |
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255 format = PixelFormat_RGB48; |
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256 return true; |
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257 } |
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258 } |
2423
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259 |
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260 if (ignorePhotometricInterpretation || |
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261 photometric_ == PhotometricInterpretation_Monochrome1 || |
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262 photometric_ == PhotometricInterpretation_Monochrome2) |
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263 { |
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264 if (GetBitsStored() == 8 && GetChannelCount() == 1 && !IsSigned()) |
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265 { |
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266 format = PixelFormat_Grayscale8; |
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267 return true; |
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268 } |
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269 |
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270 if (GetBitsAllocated() == 16 && GetChannelCount() == 1 && !IsSigned()) |
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271 { |
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272 format = PixelFormat_Grayscale16; |
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273 return true; |
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274 } |
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275 |
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276 if (GetBitsAllocated() == 16 && GetChannelCount() == 1 && IsSigned()) |
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277 { |
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278 format = PixelFormat_SignedGrayscale16; |
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279 return true; |
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280 } |
2838
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281 |
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282 if (GetBitsAllocated() == 32 && GetChannelCount() == 1 && !IsSigned()) |
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283 { |
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284 format = PixelFormat_Grayscale32; |
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285 return true; |
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286 } |
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287 } |
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288 |
3007 | 289 if (GetBitsStored() == 8 && |
290 GetChannelCount() == 3 && | |
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291 !IsSigned() && |
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292 (ignorePhotometricInterpretation || photometric_ == PhotometricInterpretation_RGB)) |
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293 { |
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294 format = PixelFormat_RGB24; |
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295 return true; |
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296 } |
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297 |
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298 return false; |
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299 } |
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300 |
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301 |
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302 size_t DicomImageInformation::GetFrameSize() const |
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303 { |
3007 | 304 return (GetHeight() * |
305 GetWidth() * | |
306 GetBytesPerValue() * | |
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307 GetChannelCount()); |
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308 } |
853 | 309 } |