Mercurial > hg > orthanc
annotate Core/DicomFormat/DicomImageInformation.cpp @ 2100:1554fc153a93
conversion RGB24 to BGRA32
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 10 Oct 2016 15:55:56 +0200 |
| parents | 6c73df12ca51 |
| children | a3a65de1840f |
| rev | line source |
|---|---|
| 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 |
| 853 | 5 * |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU General Public License as | |
| 8 * published by the Free Software Foundation, either version 3 of the | |
| 9 * License, or (at your option) any later version. | |
| 10 * | |
| 11 * In addition, as a special exception, the copyright holders of this | |
| 12 * program give permission to link the code of its release with the | |
| 13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 14 * that use the same license as the "OpenSSL" library), and distribute | |
| 15 * the linked executables. You must obey the GNU General Public License | |
| 16 * in all respects for all of the code used other than "OpenSSL". If you | |
| 17 * modify file(s) with this exception, you may extend this exception to | |
| 18 * your version of the file(s), but you are not obligated to do so. If | |
| 19 * you do not wish to do so, delete this exception statement from your | |
| 20 * version. If you delete this exception statement from all source files | |
| 21 * in the program, then also delete it here. | |
| 22 * | |
| 23 * This program is distributed in the hope that it will be useful, but | |
| 24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 26 * General Public License for more details. | |
| 27 * | |
| 28 * You should have received a copy of the GNU General Public License | |
| 29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 30 **/ | |
| 31 | |
| 32 | |
| 33 #include "../PrecompiledHeaders.h" | |
| 34 | |
| 35 #ifndef NOMINMAX | |
| 36 #define NOMINMAX | |
| 37 #endif | |
| 38 | |
| 39 #include "DicomImageInformation.h" | |
| 40 | |
| 41 #include "../OrthancException.h" | |
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42 #include "../Toolbox.h" |
| 853 | 43 #include <boost/lexical_cast.hpp> |
| 44 #include <limits> | |
| 45 #include <cassert> | |
| 46 #include <stdio.h> | |
| 47 | |
| 48 namespace Orthanc | |
| 49 { | |
| 50 DicomImageInformation::DicomImageInformation(const DicomMap& values) | |
| 51 { | |
| 52 unsigned int pixelRepresentation; | |
| 53 unsigned int planarConfiguration = 0; | |
| 54 | |
| 55 try | |
| 56 { | |
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57 std::string p = values.GetValue(DICOM_TAG_PHOTOMETRIC_INTERPRETATION).GetContent(); |
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58 Toolbox::ToUpperCase(p); |
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59 |
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60 if (p == "RGB") |
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61 { |
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62 photometric_ = PhotometricInterpretation_RGB; |
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63 } |
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64 else if (p == "MONOCHROME1") |
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65 { |
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66 photometric_ = PhotometricInterpretation_Monochrome1; |
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67 } |
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68 else if (p == "MONOCHROME2") |
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69 { |
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70 photometric_ = PhotometricInterpretation_Monochrome2; |
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71 } |
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72 else if (p == "PALETTE COLOR") |
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73 { |
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74 photometric_ = PhotometricInterpretation_Palette; |
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75 } |
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76 else if (p == "HSV") |
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77 { |
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78 photometric_ = PhotometricInterpretation_HSV; |
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79 } |
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80 else if (p == "ARGB") |
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81 { |
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82 photometric_ = PhotometricInterpretation_ARGB; |
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83 } |
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84 else if (p == "CMYK") |
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85 { |
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86 photometric_ = PhotometricInterpretation_CMYK; |
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87 } |
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88 else if (p == "YBR_FULL") |
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89 { |
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90 photometric_ = PhotometricInterpretation_YBRFull; |
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91 } |
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92 else if (p == "YBR_FULL_422") |
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93 { |
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94 photometric_ = PhotometricInterpretation_YBRFull422; |
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95 } |
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96 else if (p == "YBR_PARTIAL_420") |
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97 { |
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98 photometric_ = PhotometricInterpretation_YBRPartial420; |
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99 } |
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100 else if (p == "YBR_PARTIAL_422") |
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101 { |
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102 photometric_ = PhotometricInterpretation_YBRPartial422; |
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103 } |
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104 else if (p == "YBR_ICT") |
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105 { |
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106 photometric_ = PhotometricInterpretation_YBR_ICT; |
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107 } |
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108 else if (p == "YBR_RCT") |
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109 { |
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110 photometric_ = PhotometricInterpretation_YBR_RCT; |
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111 } |
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112 else |
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113 { |
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114 photometric_ = PhotometricInterpretation_Unknown; |
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115 } |
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116 |
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117 width_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_COLUMNS).GetContent()); |
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118 height_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_ROWS).GetContent()); |
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119 bitsAllocated_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_BITS_ALLOCATED).GetContent()); |
| 853 | 120 |
| 121 try | |
| 122 { | |
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123 samplesPerPixel_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_SAMPLES_PER_PIXEL).GetContent()); |
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124 } |
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125 catch (OrthancException&) |
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126 { |
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127 samplesPerPixel_ = 1; // Assume 1 color channel |
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128 } |
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129 |
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130 try |
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131 { |
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132 bitsStored_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_BITS_STORED).GetContent()); |
| 853 | 133 } |
| 134 catch (OrthancException&) | |
| 135 { | |
| 136 bitsStored_ = bitsAllocated_; | |
| 137 } | |
| 138 | |
| 139 try | |
| 140 { | |
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141 highBit_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_HIGH_BIT).GetContent()); |
| 853 | 142 } |
| 143 catch (OrthancException&) | |
| 144 { | |
| 145 highBit_ = bitsStored_ - 1; | |
| 146 } | |
| 147 | |
| 148 try | |
| 149 { | |
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150 pixelRepresentation = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_PIXEL_REPRESENTATION).GetContent()); |
| 853 | 151 } |
| 152 catch (OrthancException&) | |
| 153 { | |
| 154 pixelRepresentation = 0; // Assume unsigned pixels | |
| 155 } | |
| 156 | |
| 157 if (samplesPerPixel_ > 1) | |
| 158 { | |
| 159 // The "Planar Configuration" is only set when "Samples per Pixels" is greater than 1 | |
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160 // http://dicom.nema.org/medical/dicom/current/output/html/part03.html#sect_C.7.6.3.1.3 |
| 853 | 161 try |
| 162 { | |
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163 planarConfiguration = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_PLANAR_CONFIGURATION).GetContent()); |
| 853 | 164 } |
| 165 catch (OrthancException&) | |
| 166 { | |
| 167 planarConfiguration = 0; // Assume interleaved color channels | |
| 168 } | |
| 169 } | |
| 170 } | |
| 171 catch (boost::bad_lexical_cast&) | |
| 172 { | |
| 173 throw OrthancException(ErrorCode_NotImplemented); | |
| 174 } | |
| 175 catch (OrthancException&) | |
| 176 { | |
| 177 throw OrthancException(ErrorCode_NotImplemented); | |
| 178 } | |
| 179 | |
| 180 try | |
| 181 { | |
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182 numberOfFrames_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_NUMBER_OF_FRAMES).GetContent()); |
| 853 | 183 } |
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184 catch (OrthancException&) |
| 853 | 185 { |
| 186 // If the tag "NumberOfFrames" is absent, assume there is a single frame | |
| 187 numberOfFrames_ = 1; | |
| 188 } | |
| 857 | 189 catch (boost::bad_lexical_cast&) |
| 853 | 190 { |
| 191 throw OrthancException(ErrorCode_NotImplemented); | |
| 192 } | |
| 193 | |
| 194 if ((bitsAllocated_ != 8 && bitsAllocated_ != 16 && | |
| 195 bitsAllocated_ != 24 && bitsAllocated_ != 32) || | |
| 196 numberOfFrames_ == 0 || | |
| 197 (planarConfiguration != 0 && planarConfiguration != 1)) | |
| 198 { | |
| 199 throw OrthancException(ErrorCode_NotImplemented); | |
| 200 } | |
| 201 | |
| 202 if (bitsAllocated_ > 32 || | |
| 203 bitsStored_ >= 32) | |
| 204 { | |
| 205 // Not available, as the accessor internally uses int32_t values | |
| 206 throw OrthancException(ErrorCode_NotImplemented); | |
| 207 } | |
| 208 | |
| 209 if (samplesPerPixel_ == 0) | |
| 210 { | |
| 211 throw OrthancException(ErrorCode_NotImplemented); | |
| 212 } | |
| 213 | |
| 860 | 214 bytesPerValue_ = bitsAllocated_ / 8; |
| 853 | 215 |
| 216 isPlanar_ = (planarConfiguration != 0 ? true : false); | |
| 217 isSigned_ = (pixelRepresentation != 0 ? true : false); | |
| 218 } | |
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219 |
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220 |
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221 bool DicomImageInformation::ExtractPixelFormat(PixelFormat& format, |
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222 bool ignorePhotometricInterpretation) const |
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223 { |
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224 if (photometric_ == PhotometricInterpretation_Palette) |
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225 { |
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226 return false; |
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227 } |
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228 |
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229 if (ignorePhotometricInterpretation || |
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230 photometric_ == PhotometricInterpretation_Monochrome1 || |
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231 photometric_ == PhotometricInterpretation_Monochrome2) |
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232 { |
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233 if (GetBitsStored() == 8 && GetChannelCount() == 1 && !IsSigned()) |
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234 { |
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235 format = PixelFormat_Grayscale8; |
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236 return true; |
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237 } |
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238 |
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239 if (GetBitsAllocated() == 16 && GetChannelCount() == 1 && !IsSigned()) |
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240 { |
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241 format = PixelFormat_Grayscale16; |
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242 return true; |
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243 } |
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244 |
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245 if (GetBitsAllocated() == 16 && GetChannelCount() == 1 && IsSigned()) |
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246 { |
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247 format = PixelFormat_SignedGrayscale16; |
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248 return true; |
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249 } |
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250 } |
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251 |
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252 if (GetBitsStored() == 8 && |
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253 GetChannelCount() == 3 && |
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254 !IsSigned() && |
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255 (ignorePhotometricInterpretation || photometric_ == PhotometricInterpretation_RGB)) |
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256 { |
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257 format = PixelFormat_RGB24; |
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258 return true; |
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259 } |
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260 |
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261 return false; |
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262 } |
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263 |
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264 |
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265 size_t DicomImageInformation::GetFrameSize() const |
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266 { |
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267 return (GetHeight() * |
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268 GetWidth() * |
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269 GetBytesPerValue() * |
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270 GetChannelCount()); |
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271 } |
| 853 | 272 } |