Mercurial > hg > orthanc
annotate Core/DicomFormat/DicomImageInformation.cpp @ 2457:2a211c0fc7ca
note about ar
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 04 Jan 2018 09:27:16 +0100 |
| parents | 878b59270859 |
| children | f3a2d109e361 |
| 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 |
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5 * Copyright (C) 2017-2018 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. | |
| 23 * | |
| 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> | |
| 48 | |
| 49 namespace Orthanc | |
| 50 { | |
| 51 DicomImageInformation::DicomImageInformation(const DicomMap& values) | |
| 52 { | |
| 53 unsigned int pixelRepresentation; | |
| 54 unsigned int planarConfiguration = 0; | |
| 55 | |
| 56 try | |
| 57 { | |
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58 std::string p = values.GetValue(DICOM_TAG_PHOTOMETRIC_INTERPRETATION).GetContent(); |
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59 Toolbox::ToUpperCase(p); |
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60 |
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61 if (p == "RGB") |
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62 { |
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63 photometric_ = PhotometricInterpretation_RGB; |
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64 } |
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65 else if (p == "MONOCHROME1") |
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66 { |
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67 photometric_ = PhotometricInterpretation_Monochrome1; |
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68 } |
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69 else if (p == "MONOCHROME2") |
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70 { |
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71 photometric_ = PhotometricInterpretation_Monochrome2; |
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72 } |
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73 else if (p == "PALETTE COLOR") |
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74 { |
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75 photometric_ = PhotometricInterpretation_Palette; |
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76 } |
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77 else if (p == "HSV") |
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78 { |
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79 photometric_ = PhotometricInterpretation_HSV; |
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80 } |
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81 else if (p == "ARGB") |
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82 { |
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83 photometric_ = PhotometricInterpretation_ARGB; |
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84 } |
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85 else if (p == "CMYK") |
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86 { |
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87 photometric_ = PhotometricInterpretation_CMYK; |
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88 } |
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89 else if (p == "YBR_FULL") |
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90 { |
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91 photometric_ = PhotometricInterpretation_YBRFull; |
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92 } |
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93 else if (p == "YBR_FULL_422") |
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94 { |
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95 photometric_ = PhotometricInterpretation_YBRFull422; |
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96 } |
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97 else if (p == "YBR_PARTIAL_420") |
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98 { |
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99 photometric_ = PhotometricInterpretation_YBRPartial420; |
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100 } |
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101 else if (p == "YBR_PARTIAL_422") |
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102 { |
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103 photometric_ = PhotometricInterpretation_YBRPartial422; |
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104 } |
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105 else if (p == "YBR_ICT") |
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106 { |
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107 photometric_ = PhotometricInterpretation_YBR_ICT; |
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108 } |
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109 else if (p == "YBR_RCT") |
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110 { |
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111 photometric_ = PhotometricInterpretation_YBR_RCT; |
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112 } |
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113 else |
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114 { |
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115 photometric_ = PhotometricInterpretation_Unknown; |
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116 } |
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117 |
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118 width_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_COLUMNS).GetContent()); |
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119 height_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_ROWS).GetContent()); |
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120 bitsAllocated_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_BITS_ALLOCATED).GetContent()); |
| 853 | 121 |
| 122 try | |
| 123 { | |
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124 samplesPerPixel_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_SAMPLES_PER_PIXEL).GetContent()); |
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125 } |
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126 catch (OrthancException&) |
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127 { |
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128 samplesPerPixel_ = 1; // Assume 1 color channel |
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129 } |
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130 |
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131 try |
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132 { |
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133 bitsStored_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_BITS_STORED).GetContent()); |
| 853 | 134 } |
| 135 catch (OrthancException&) | |
| 136 { | |
| 137 bitsStored_ = bitsAllocated_; | |
| 138 } | |
| 139 | |
| 140 try | |
| 141 { | |
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142 highBit_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_HIGH_BIT).GetContent()); |
| 853 | 143 } |
| 144 catch (OrthancException&) | |
| 145 { | |
| 146 highBit_ = bitsStored_ - 1; | |
| 147 } | |
| 148 | |
| 149 try | |
| 150 { | |
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151 pixelRepresentation = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_PIXEL_REPRESENTATION).GetContent()); |
| 853 | 152 } |
| 153 catch (OrthancException&) | |
| 154 { | |
| 155 pixelRepresentation = 0; // Assume unsigned pixels | |
| 156 } | |
| 157 | |
| 158 if (samplesPerPixel_ > 1) | |
| 159 { | |
| 160 // The "Planar Configuration" is only set when "Samples per Pixels" is greater than 1 | |
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161 // http://dicom.nema.org/medical/dicom/current/output/html/part03.html#sect_C.7.6.3.1.3 |
| 853 | 162 try |
| 163 { | |
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164 planarConfiguration = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_PLANAR_CONFIGURATION).GetContent()); |
| 853 | 165 } |
| 166 catch (OrthancException&) | |
| 167 { | |
| 168 planarConfiguration = 0; // Assume interleaved color channels | |
| 169 } | |
| 170 } | |
| 171 } | |
| 172 catch (boost::bad_lexical_cast&) | |
| 173 { | |
| 174 throw OrthancException(ErrorCode_NotImplemented); | |
| 175 } | |
| 176 catch (OrthancException&) | |
| 177 { | |
| 178 throw OrthancException(ErrorCode_NotImplemented); | |
| 179 } | |
| 180 | |
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181 if (values.HasTag(DICOM_TAG_NUMBER_OF_FRAMES)) |
| 853 | 182 { |
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183 try |
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184 { |
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185 numberOfFrames_ = boost::lexical_cast<unsigned int>(values.GetValue(DICOM_TAG_NUMBER_OF_FRAMES).GetContent()); |
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186 } |
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187 catch (boost::bad_lexical_cast&) |
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188 { |
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189 throw OrthancException(ErrorCode_NotImplemented); |
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190 } |
| 853 | 191 } |
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192 else |
| 853 | 193 { |
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194 numberOfFrames_ = 1; |
| 853 | 195 } |
| 196 | |
| 197 if ((bitsAllocated_ != 8 && bitsAllocated_ != 16 && | |
| 198 bitsAllocated_ != 24 && bitsAllocated_ != 32) || | |
| 199 numberOfFrames_ == 0 || | |
| 200 (planarConfiguration != 0 && planarConfiguration != 1)) | |
| 201 { | |
| 202 throw OrthancException(ErrorCode_NotImplemented); | |
| 203 } | |
| 204 | |
| 205 if (samplesPerPixel_ == 0) | |
| 206 { | |
| 207 throw OrthancException(ErrorCode_NotImplemented); | |
| 208 } | |
| 209 | |
| 860 | 210 bytesPerValue_ = bitsAllocated_ / 8; |
| 853 | 211 |
| 212 isPlanar_ = (planarConfiguration != 0 ? true : false); | |
| 213 isSigned_ = (pixelRepresentation != 0 ? true : false); | |
| 214 } | |
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215 |
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216 |
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217 bool DicomImageInformation::ExtractPixelFormat(PixelFormat& format, |
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218 bool ignorePhotometricInterpretation) const |
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219 { |
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220 if (photometric_ == PhotometricInterpretation_Palette) |
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221 { |
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222 if (GetBitsStored() == 8 && GetChannelCount() == 1 && !IsSigned()) |
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223 { |
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224 format = PixelFormat_RGB24; |
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225 return true; |
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226 } |
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227 |
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228 if (GetBitsStored() == 16 && GetChannelCount() == 1 && !IsSigned()) |
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229 { |
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230 format = PixelFormat_RGB48; |
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231 return true; |
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232 } |
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233 } |
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234 |
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235 if (ignorePhotometricInterpretation || |
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236 photometric_ == PhotometricInterpretation_Monochrome1 || |
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237 photometric_ == PhotometricInterpretation_Monochrome2) |
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238 { |
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239 if (GetBitsStored() == 8 && GetChannelCount() == 1 && !IsSigned()) |
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240 { |
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241 format = PixelFormat_Grayscale8; |
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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_Grayscale16; |
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248 return true; |
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249 } |
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250 |
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251 if (GetBitsAllocated() == 16 && GetChannelCount() == 1 && IsSigned()) |
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252 { |
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253 format = PixelFormat_SignedGrayscale16; |
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254 return true; |
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255 } |
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256 } |
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257 |
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258 if (GetBitsStored() == 8 && |
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259 GetChannelCount() == 3 && |
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260 !IsSigned() && |
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261 (ignorePhotometricInterpretation || photometric_ == PhotometricInterpretation_RGB)) |
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262 { |
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263 format = PixelFormat_RGB24; |
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264 return true; |
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265 } |
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266 |
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267 return false; |
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268 } |
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269 |
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270 |
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271 size_t DicomImageInformation::GetFrameSize() const |
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272 { |
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273 return (GetHeight() * |
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274 GetWidth() * |
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275 GetBytesPerValue() * |
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276 GetChannelCount()); |
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277 } |
| 853 | 278 } |