Mercurial > hg > orthanc
annotate OrthancServer/ParsedDicomFile.cpp @ 1702:9980875edc7c db-changes
started work on SliceOrdering
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Mon, 12 Oct 2015 17:49:23 +0200 |
| parents | 4aaaecae5803 |
| children | a001f6226c7c |
| rev | line source |
|---|---|
| 790 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
|
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3 * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics |
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4 * Department, University Hospital of Liege, Belgium |
| 790 | 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 | |
| 34 /*========================================================================= | |
| 35 | |
| 36 This file is based on portions of the following project: | |
| 37 | |
| 38 Program: GDCM (Grassroots DICOM). A DICOM library | |
| 39 Module: http://gdcm.sourceforge.net/Copyright.html | |
| 40 | |
| 41 Copyright (c) 2006-2011 Mathieu Malaterre | |
| 42 Copyright (c) 1993-2005 CREATIS | |
| 43 (CREATIS = Centre de Recherche et d'Applications en Traitement de l'Image) | |
| 44 All rights reserved. | |
| 45 | |
| 46 Redistribution and use in source and binary forms, with or without | |
| 47 modification, are permitted provided that the following conditions are met: | |
| 48 | |
| 49 * Redistributions of source code must retain the above copyright notice, | |
| 50 this list of conditions and the following disclaimer. | |
| 51 | |
| 52 * Redistributions in binary form must reproduce the above copyright notice, | |
| 53 this list of conditions and the following disclaimer in the documentation | |
| 54 and/or other materials provided with the distribution. | |
| 55 | |
| 56 * Neither name of Mathieu Malaterre, or CREATIS, nor the names of any | |
| 57 contributors (CNRS, INSERM, UCB, Universite Lyon I), may be used to | |
| 58 endorse or promote products derived from this software without specific | |
| 59 prior written permission. | |
| 60 | |
| 61 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' | |
| 62 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 63 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 64 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR | |
| 65 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 66 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| 67 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| 68 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
| 69 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 70 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 71 | |
| 72 =========================================================================*/ | |
| 73 | |
| 74 | |
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75 #include "PrecompiledHeadersServer.h" |
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76 |
| 790 | 77 #ifndef NOMINMAX |
| 78 #define NOMINMAX | |
| 79 #endif | |
| 80 | |
| 81 #include "ParsedDicomFile.h" | |
| 82 | |
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83 #include "ServerToolbox.h" |
| 790 | 84 #include "FromDcmtkBridge.h" |
| 85 #include "ToDcmtkBridge.h" | |
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86 #include "Internals/DicomImageDecoder.h" |
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87 #include "../Core/Logging.h" |
| 790 | 88 #include "../Core/Toolbox.h" |
| 89 #include "../Core/OrthancException.h" | |
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90 #include "../Core/Images/ImageBuffer.h" |
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91 #include "../Core/Images/PngWriter.h" |
| 790 | 92 #include "../Core/Uuid.h" |
| 93 #include "../Core/DicomFormat/DicomString.h" | |
| 94 #include "../Core/DicomFormat/DicomNullValue.h" | |
| 95 #include "../Core/DicomFormat/DicomIntegerPixelAccessor.h" | |
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96 #include "../Core/Images/PngReader.h" |
| 790 | 97 |
| 98 #include <list> | |
| 99 #include <limits> | |
| 100 | |
| 101 #include <boost/lexical_cast.hpp> | |
| 102 | |
| 103 #include <dcmtk/dcmdata/dcchrstr.h> | |
| 104 #include <dcmtk/dcmdata/dcdicent.h> | |
| 105 #include <dcmtk/dcmdata/dcdict.h> | |
| 106 #include <dcmtk/dcmdata/dcfilefo.h> | |
| 107 #include <dcmtk/dcmdata/dcistrmb.h> | |
| 108 #include <dcmtk/dcmdata/dcuid.h> | |
| 109 #include <dcmtk/dcmdata/dcmetinf.h> | |
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110 #include <dcmtk/dcmdata/dcdeftag.h> |
| 790 | 111 |
| 112 #include <dcmtk/dcmdata/dcvrae.h> | |
| 113 #include <dcmtk/dcmdata/dcvras.h> | |
| 114 #include <dcmtk/dcmdata/dcvrcs.h> | |
| 115 #include <dcmtk/dcmdata/dcvrda.h> | |
| 116 #include <dcmtk/dcmdata/dcvrds.h> | |
| 117 #include <dcmtk/dcmdata/dcvrdt.h> | |
| 118 #include <dcmtk/dcmdata/dcvrfd.h> | |
| 119 #include <dcmtk/dcmdata/dcvrfl.h> | |
| 120 #include <dcmtk/dcmdata/dcvris.h> | |
| 121 #include <dcmtk/dcmdata/dcvrlo.h> | |
| 122 #include <dcmtk/dcmdata/dcvrlt.h> | |
| 123 #include <dcmtk/dcmdata/dcvrpn.h> | |
| 124 #include <dcmtk/dcmdata/dcvrsh.h> | |
| 125 #include <dcmtk/dcmdata/dcvrsl.h> | |
| 126 #include <dcmtk/dcmdata/dcvrss.h> | |
| 127 #include <dcmtk/dcmdata/dcvrst.h> | |
| 128 #include <dcmtk/dcmdata/dcvrtm.h> | |
| 129 #include <dcmtk/dcmdata/dcvrui.h> | |
| 130 #include <dcmtk/dcmdata/dcvrul.h> | |
| 131 #include <dcmtk/dcmdata/dcvrus.h> | |
| 132 #include <dcmtk/dcmdata/dcvrut.h> | |
| 133 #include <dcmtk/dcmdata/dcpixel.h> | |
| 134 #include <dcmtk/dcmdata/dcpixseq.h> | |
| 135 #include <dcmtk/dcmdata/dcpxitem.h> | |
| 136 | |
| 137 | |
| 138 #include <boost/math/special_functions/round.hpp> | |
| 139 #include <dcmtk/dcmdata/dcostrmb.h> | |
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140 #include <boost/algorithm/string/predicate.hpp> |
| 790 | 141 |
| 142 | |
| 143 static const char* CONTENT_TYPE_OCTET_STREAM = "application/octet-stream"; | |
| 144 | |
| 145 | |
| 146 | |
| 147 namespace Orthanc | |
| 148 { | |
| 794 | 149 struct ParsedDicomFile::PImpl |
| 150 { | |
| 151 std::auto_ptr<DcmFileFormat> file_; | |
| 152 }; | |
| 153 | |
| 154 | |
| 155 // This method can only be called from the constructors! | |
| 790 | 156 void ParsedDicomFile::Setup(const char* buffer, size_t size) |
| 157 { | |
| 158 DcmInputBufferStream is; | |
| 159 if (size > 0) | |
| 160 { | |
| 161 is.setBuffer(buffer, size); | |
| 162 } | |
| 163 is.setEos(); | |
| 164 | |
| 794 | 165 pimpl_->file_.reset(new DcmFileFormat); |
| 166 pimpl_->file_->transferInit(); | |
| 167 if (!pimpl_->file_->read(is).good()) | |
| 790 | 168 { |
| 794 | 169 delete pimpl_; // Avoid a memory leak due to exception |
| 170 // throwing, as we are in the constructor | |
| 171 | |
| 790 | 172 throw OrthancException(ErrorCode_BadFileFormat); |
| 173 } | |
| 794 | 174 pimpl_->file_->loadAllDataIntoMemory(); |
| 175 pimpl_->file_->transferEnd(); | |
| 790 | 176 } |
| 177 | |
| 178 | |
| 179 static void SendPathValueForDictionary(RestApiOutput& output, | |
| 180 DcmItem& dicom) | |
| 181 { | |
| 182 Json::Value v = Json::arrayValue; | |
| 183 | |
| 184 for (unsigned long i = 0; i < dicom.card(); i++) | |
| 185 { | |
| 186 DcmElement* element = dicom.getElement(i); | |
| 187 if (element) | |
| 188 { | |
| 189 char buf[16]; | |
| 190 sprintf(buf, "%04x-%04x", element->getTag().getGTag(), element->getTag().getETag()); | |
| 191 v.append(buf); | |
| 192 } | |
| 193 } | |
| 194 | |
| 195 output.AnswerJson(v); | |
| 196 } | |
| 197 | |
| 198 static inline uint16_t GetCharValue(char c) | |
| 199 { | |
| 200 if (c >= '0' && c <= '9') | |
| 201 return c - '0'; | |
| 202 else if (c >= 'a' && c <= 'f') | |
| 203 return c - 'a' + 10; | |
| 204 else if (c >= 'A' && c <= 'F') | |
| 205 return c - 'A' + 10; | |
| 206 else | |
| 207 return 0; | |
| 208 } | |
| 209 | |
| 210 static inline uint16_t GetTagValue(const char* c) | |
| 211 { | |
| 212 return ((GetCharValue(c[0]) << 12) + | |
| 213 (GetCharValue(c[1]) << 8) + | |
| 214 (GetCharValue(c[2]) << 4) + | |
| 215 GetCharValue(c[3])); | |
| 216 } | |
| 217 | |
| 218 static void ParseTagAndGroup(DcmTagKey& key, | |
| 219 const std::string& tag) | |
| 220 { | |
| 221 DicomTag t = FromDcmtkBridge::ParseTag(tag); | |
| 222 key = DcmTagKey(t.GetGroup(), t.GetElement()); | |
| 223 } | |
| 224 | |
| 225 | |
| 226 static void SendSequence(RestApiOutput& output, | |
| 227 DcmSequenceOfItems& sequence) | |
| 228 { | |
| 229 // This element is a sequence | |
| 230 Json::Value v = Json::arrayValue; | |
| 231 | |
| 232 for (unsigned long i = 0; i < sequence.card(); i++) | |
| 233 { | |
| 234 v.append(boost::lexical_cast<std::string>(i)); | |
| 235 } | |
| 236 | |
| 237 output.AnswerJson(v); | |
| 238 } | |
| 239 | |
| 240 | |
| 241 static unsigned int GetPixelDataBlockCount(DcmPixelData& pixelData, | |
| 242 E_TransferSyntax transferSyntax) | |
| 243 { | |
| 244 DcmPixelSequence* pixelSequence = NULL; | |
| 245 if (pixelData.getEncapsulatedRepresentation | |
| 246 (transferSyntax, NULL, pixelSequence).good() && pixelSequence) | |
| 247 { | |
| 248 return pixelSequence->card(); | |
| 249 } | |
| 250 else | |
| 251 { | |
| 252 return 1; | |
| 253 } | |
| 254 } | |
| 255 | |
| 256 | |
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257 namespace |
| 790 | 258 { |
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259 class DicomFieldStream : public IHttpStreamAnswer |
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260 { |
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261 private: |
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262 DcmElement& element_; |
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263 uint32_t length_; |
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264 uint32_t offset_; |
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265 std::string chunk_; |
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266 size_t chunkSize_; |
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267 |
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268 public: |
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269 DicomFieldStream(DcmElement& element, |
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270 E_TransferSyntax transferSyntax) : |
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271 element_(element), |
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272 length_(element.getLength(transferSyntax)), |
| 1616 | 273 offset_(0), |
| 274 chunkSize_(0) | |
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275 { |
| 1521 | 276 static const size_t CHUNK_SIZE = 64 * 1024; // Use chunks of max 64KB |
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277 chunk_.resize(CHUNK_SIZE); |
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278 } |
| 790 | 279 |
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280 virtual HttpCompression SetupHttpCompression(bool /*gzipAllowed*/, |
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281 bool /*deflateAllowed*/) |
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282 { |
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283 // No support for compression |
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284 return HttpCompression_None; |
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285 } |
| 790 | 286 |
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287 virtual bool HasContentFilename(std::string& filename) |
| 790 | 288 { |
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289 return false; |
| 790 | 290 } |
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291 |
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292 virtual std::string GetContentType() |
| 790 | 293 { |
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294 return ""; |
| 790 | 295 } |
| 296 | |
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297 virtual uint64_t GetContentLength() |
| 790 | 298 { |
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299 return length_; |
| 790 | 300 } |
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301 |
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302 virtual bool ReadNextChunk() |
| 790 | 303 { |
| 1520 | 304 assert(offset_ <= length_); |
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305 |
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306 if (offset_ == length_) |
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307 { |
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308 return false; |
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309 } |
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310 else |
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311 { |
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312 if (length_ - offset_ < chunk_.size()) |
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313 { |
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314 chunkSize_ = length_ - offset_; |
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315 } |
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316 else |
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317 { |
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318 chunkSize_ = chunk_.size(); |
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319 } |
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320 |
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321 OFCondition cond = element_.getPartialValue(&chunk_[0], offset_, chunkSize_); |
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322 |
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323 offset_ += chunkSize_; |
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324 |
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325 if (!cond.good()) |
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326 { |
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327 LOG(ERROR) << "Error while sending a DICOM field: " << cond.text(); |
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328 throw OrthancException(ErrorCode_InternalError); |
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329 } |
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330 |
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331 return true; |
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332 } |
| 790 | 333 } |
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334 |
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335 virtual const char *GetChunkContent() |
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336 { |
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337 return chunk_.c_str(); |
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338 } |
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339 |
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340 virtual size_t GetChunkSize() |
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341 { |
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342 return chunkSize_; |
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343 } |
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344 }; |
| 790 | 345 } |
| 346 | |
| 347 | |
| 348 static bool AnswerPixelData(RestApiOutput& output, | |
| 349 DcmItem& dicom, | |
| 350 E_TransferSyntax transferSyntax, | |
| 351 const std::string* blockUri) | |
| 352 { | |
| 353 DcmTag k(DICOM_TAG_PIXEL_DATA.GetGroup(), | |
| 354 DICOM_TAG_PIXEL_DATA.GetElement()); | |
| 355 | |
| 356 DcmElement *element = NULL; | |
| 357 if (!dicom.findAndGetElement(k, element).good() || | |
| 358 element == NULL) | |
| 359 { | |
| 360 return false; | |
| 361 } | |
| 362 | |
| 363 try | |
| 364 { | |
| 365 DcmPixelData& pixelData = dynamic_cast<DcmPixelData&>(*element); | |
| 366 if (blockUri == NULL) | |
| 367 { | |
| 368 // The user asks how many blocks are presents in this pixel data | |
| 369 unsigned int blocks = GetPixelDataBlockCount(pixelData, transferSyntax); | |
| 370 | |
| 371 Json::Value result(Json::arrayValue); | |
| 372 for (unsigned int i = 0; i < blocks; i++) | |
| 373 { | |
| 374 result.append(boost::lexical_cast<std::string>(i)); | |
| 375 } | |
| 376 | |
| 377 output.AnswerJson(result); | |
| 378 return true; | |
| 379 } | |
| 380 | |
| 381 | |
| 382 unsigned int block = boost::lexical_cast<unsigned int>(*blockUri); | |
| 383 | |
| 384 if (block < GetPixelDataBlockCount(pixelData, transferSyntax)) | |
| 385 { | |
| 386 DcmPixelSequence* pixelSequence = NULL; | |
| 387 if (pixelData.getEncapsulatedRepresentation | |
| 388 (transferSyntax, NULL, pixelSequence).good() && pixelSequence) | |
| 389 { | |
| 390 // This is the case for JPEG transfer syntaxes | |
| 391 if (block < pixelSequence->card()) | |
| 392 { | |
| 393 DcmPixelItem* pixelItem = NULL; | |
| 394 if (pixelSequence->getItem(pixelItem, block).good() && pixelItem) | |
| 395 { | |
| 396 if (pixelItem->getLength() == 0) | |
| 397 { | |
| 398 output.AnswerBuffer(NULL, 0, CONTENT_TYPE_OCTET_STREAM); | |
| 399 return true; | |
| 400 } | |
| 401 | |
| 402 Uint8* buffer = NULL; | |
| 403 if (pixelItem->getUint8Array(buffer).good() && buffer) | |
| 404 { | |
| 405 output.AnswerBuffer(buffer, pixelItem->getLength(), CONTENT_TYPE_OCTET_STREAM); | |
| 406 return true; | |
| 407 } | |
| 408 } | |
| 409 } | |
| 410 } | |
| 411 else | |
| 412 { | |
| 413 // This is the case for raw, uncompressed image buffers | |
| 414 assert(*blockUri == "0"); | |
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415 DicomFieldStream stream(*element, transferSyntax); |
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416 output.AnswerStream(stream); |
| 790 | 417 } |
| 418 } | |
| 419 } | |
| 420 catch (boost::bad_lexical_cast&) | |
| 421 { | |
| 422 // The URI entered by the user is not a number | |
| 423 } | |
| 424 catch (std::bad_cast&) | |
| 425 { | |
| 426 // This should never happen | |
| 427 } | |
| 428 | |
| 429 return false; | |
| 430 } | |
| 431 | |
| 432 | |
| 433 | |
| 434 static void SendPathValueForLeaf(RestApiOutput& output, | |
| 435 const std::string& tag, | |
| 436 DcmItem& dicom, | |
| 437 E_TransferSyntax transferSyntax) | |
| 438 { | |
| 439 DcmTagKey k; | |
| 440 ParseTagAndGroup(k, tag); | |
| 441 | |
| 442 DcmSequenceOfItems* sequence = NULL; | |
| 443 if (dicom.findAndGetSequence(k, sequence).good() && | |
| 444 sequence != NULL && | |
| 445 sequence->getVR() == EVR_SQ) | |
| 446 { | |
| 447 SendSequence(output, *sequence); | |
| 448 return; | |
| 449 } | |
| 450 | |
| 451 DcmElement* element = NULL; | |
| 452 if (dicom.findAndGetElement(k, element).good() && | |
| 453 element != NULL && | |
| 454 //element->getVR() != EVR_UNKNOWN && // This would forbid private tags | |
| 455 element->getVR() != EVR_SQ) | |
| 456 { | |
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457 DicomFieldStream stream(*element, transferSyntax); |
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458 output.AnswerStream(stream); |
| 790 | 459 } |
| 460 } | |
| 461 | |
| 462 void ParsedDicomFile::SendPathValue(RestApiOutput& output, | |
| 463 const UriComponents& uri) | |
| 464 { | |
| 794 | 465 DcmItem* dicom = pimpl_->file_->getDataset(); |
| 466 E_TransferSyntax transferSyntax = pimpl_->file_->getDataset()->getOriginalXfer(); | |
| 790 | 467 |
| 468 // Special case: Accessing the pixel data | |
| 469 if (uri.size() == 1 || | |
| 470 uri.size() == 2) | |
| 471 { | |
| 472 DcmTagKey tag; | |
| 473 ParseTagAndGroup(tag, uri[0]); | |
| 474 | |
| 475 if (tag.getGroup() == DICOM_TAG_PIXEL_DATA.GetGroup() && | |
| 476 tag.getElement() == DICOM_TAG_PIXEL_DATA.GetElement()) | |
| 477 { | |
| 478 AnswerPixelData(output, *dicom, transferSyntax, uri.size() == 1 ? NULL : &uri[1]); | |
| 479 return; | |
| 480 } | |
| 481 } | |
| 482 | |
| 483 // Go down in the tag hierarchy according to the URI | |
| 484 for (size_t pos = 0; pos < uri.size() / 2; pos++) | |
| 485 { | |
| 486 size_t index; | |
| 487 try | |
| 488 { | |
| 489 index = boost::lexical_cast<size_t>(uri[2 * pos + 1]); | |
| 490 } | |
| 491 catch (boost::bad_lexical_cast&) | |
| 492 { | |
| 493 return; | |
| 494 } | |
| 495 | |
| 496 DcmTagKey k; | |
| 497 DcmItem *child = NULL; | |
| 498 ParseTagAndGroup(k, uri[2 * pos]); | |
| 499 if (!dicom->findAndGetSequenceItem(k, child, index).good() || | |
| 500 child == NULL) | |
| 501 { | |
| 502 return; | |
| 503 } | |
| 504 | |
| 505 dicom = child; | |
| 506 } | |
| 507 | |
| 508 // We have reached the end of the URI | |
| 509 if (uri.size() % 2 == 0) | |
| 510 { | |
| 511 SendPathValueForDictionary(output, *dicom); | |
| 512 } | |
| 513 else | |
| 514 { | |
| 515 SendPathValueForLeaf(output, uri.back(), *dicom, transferSyntax); | |
| 516 } | |
| 517 } | |
| 518 | |
| 519 | |
| 520 void ParsedDicomFile::Remove(const DicomTag& tag) | |
| 521 { | |
| 522 DcmTagKey key(tag.GetGroup(), tag.GetElement()); | |
| 794 | 523 DcmElement* element = pimpl_->file_->getDataset()->remove(key); |
| 790 | 524 if (element != NULL) |
| 525 { | |
| 526 delete element; | |
| 527 } | |
| 528 } | |
| 529 | |
| 530 | |
| 531 | |
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532 void ParsedDicomFile::RemovePrivateTagsInternal(const std::set<DicomTag>* toKeep) |
| 790 | 533 { |
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534 DcmDataset& dataset = *pimpl_->file_->getDataset(); |
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535 |
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536 // Loop over the dataset to detect its private tags |
| 790 | 537 typedef std::list<DcmElement*> Tags; |
| 538 Tags privateTags; | |
| 539 | |
| 540 for (unsigned long i = 0; i < dataset.card(); i++) | |
| 541 { | |
| 542 DcmElement* element = dataset.getElement(i); | |
| 543 DcmTag tag(element->getTag()); | |
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544 |
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545 // Is this a private tag? |
| 1694 | 546 if (tag.isPrivate()) |
| 790 | 547 { |
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548 bool remove = true; |
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549 |
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550 // Check whether this private tag is to be kept |
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551 if (toKeep != NULL) |
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552 { |
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553 DicomTag tmp = FromDcmtkBridge::Convert(tag); |
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554 if (toKeep->find(tmp) != toKeep->end()) |
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555 { |
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556 remove = false; // Keep it |
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557 } |
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558 } |
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559 |
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560 if (remove) |
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561 { |
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562 privateTags.push_back(element); |
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563 } |
| 790 | 564 } |
| 565 } | |
| 566 | |
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567 // Loop over the detected private tags to remove them |
| 790 | 568 for (Tags::iterator it = privateTags.begin(); |
| 569 it != privateTags.end(); ++it) | |
| 570 { | |
| 571 DcmElement* tmp = dataset.remove(*it); | |
| 572 if (tmp != NULL) | |
| 573 { | |
| 574 delete tmp; | |
| 575 } | |
| 576 } | |
| 577 } | |
| 578 | |
| 579 | |
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580 static void InsertInternal(DcmDataset& dicom, |
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581 DcmElement* element) |
| 790 | 582 { |
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583 OFCondition cond = dicom.insert(element, false, false); |
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584 if (!cond.good()) |
| 790 | 585 { |
| 586 // This field already exists | |
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587 delete element; |
| 790 | 588 throw OrthancException(ErrorCode_InternalError); |
| 589 } | |
| 590 } | |
| 591 | |
| 592 | |
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593 void ParsedDicomFile::Insert(const DicomTag& tag, |
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594 const Json::Value& value, |
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595 bool decodeBinaryTags) |
| 790 | 596 { |
| 1695 | 597 std::auto_ptr<DcmElement> element(FromDcmtkBridge::FromJson(tag, value, decodeBinaryTags, GetEncoding())); |
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598 InsertInternal(*pimpl_->file_->getDataset(), element.release()); |
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599 } |
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600 |
| 790 | 601 |
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602 static void ReplaceInternal(DcmDataset& dicom, |
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603 std::auto_ptr<DcmElement>& element, |
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604 DicomReplaceMode mode) |
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605 { |
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606 const DcmTagKey& tag = element->getTag(); |
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607 |
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608 if (!dicom.findAndDeleteElement(tag).good()) |
| 790 | 609 { |
| 610 // This field does not exist, act wrt. the specified "mode" | |
| 611 switch (mode) | |
| 612 { | |
| 613 case DicomReplaceMode_InsertIfAbsent: | |
| 614 break; | |
| 615 | |
| 616 case DicomReplaceMode_ThrowIfAbsent: | |
| 617 throw OrthancException(ErrorCode_InexistentItem); | |
| 618 | |
| 619 case DicomReplaceMode_IgnoreIfAbsent: | |
| 620 return; | |
| 621 } | |
| 622 } | |
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623 |
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624 // Either the tag was not existing, or the replace mode was set to |
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625 // "InsertIfAbsent" |
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626 InsertInternal(dicom, element.release()); |
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627 } |
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628 |
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629 |
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630 void ParsedDicomFile::UpdateStorageUid(const DicomTag& tag, |
| 1695 | 631 const std::string& utf8Value, |
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632 bool decodeBinaryTags) |
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633 { |
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634 if (tag != DICOM_TAG_SOP_CLASS_UID && |
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635 tag != DICOM_TAG_SOP_INSTANCE_UID) |
| 790 | 636 { |
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637 return; |
| 790 | 638 } |
| 639 | |
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640 std::string binary; |
| 1695 | 641 const std::string* decoded = &utf8Value; |
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642 |
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643 if (decodeBinaryTags && |
| 1695 | 644 boost::starts_with(utf8Value, "data:application/octet-stream;base64,")) |
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645 { |
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646 std::string mime; |
| 1695 | 647 Toolbox::DecodeDataUriScheme(mime, binary, utf8Value); |
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648 decoded = &binary; |
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649 } |
| 1695 | 650 else |
| 651 { | |
| 652 Encoding encoding = GetEncoding(); | |
| 653 if (GetEncoding() != Encoding_Utf8) | |
| 654 { | |
| 655 binary = Toolbox::ConvertFromUtf8(utf8Value, encoding); | |
| 656 decoded = &binary; | |
| 657 } | |
| 658 } | |
| 790 | 659 |
| 660 /** | |
| 661 * dcmodify will automatically correct 'Media Storage SOP Class | |
| 662 * UID' and 'Media Storage SOP Instance UID' in the metaheader, if | |
| 663 * you make changes to the related tags in the dataset ('SOP Class | |
| 664 * UID' and 'SOP Instance UID') via insert or modify mode | |
| 665 * options. You can disable this behaviour by using the -nmu | |
| 666 * option. | |
| 667 **/ | |
| 668 | |
| 669 if (tag == DICOM_TAG_SOP_CLASS_UID) | |
| 670 { | |
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671 Replace(DICOM_TAG_MEDIA_STORAGE_SOP_CLASS_UID, *decoded, DicomReplaceMode_InsertIfAbsent); |
| 790 | 672 } |
| 673 | |
| 674 if (tag == DICOM_TAG_SOP_INSTANCE_UID) | |
| 675 { | |
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676 Replace(DICOM_TAG_MEDIA_STORAGE_SOP_INSTANCE_UID, *decoded, DicomReplaceMode_InsertIfAbsent); |
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677 } |
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678 } |
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679 |
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680 |
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681 void ParsedDicomFile::Replace(const DicomTag& tag, |
| 1695 | 682 const std::string& utf8Value, |
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683 DicomReplaceMode mode) |
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684 { |
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685 std::auto_ptr<DcmElement> element(FromDcmtkBridge::CreateElementForTag(tag)); |
| 1695 | 686 FromDcmtkBridge::FillElementWithString(*element, tag, utf8Value, false, GetEncoding()); |
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687 ReplaceInternal(*pimpl_->file_->getDataset(), element, mode); |
| 1695 | 688 UpdateStorageUid(tag, utf8Value, false); |
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689 } |
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690 |
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691 |
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692 void ParsedDicomFile::Replace(const DicomTag& tag, |
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693 const Json::Value& value, |
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694 bool decodeBinaryTags, |
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695 DicomReplaceMode mode) |
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696 { |
| 1695 | 697 std::auto_ptr<DcmElement> element(FromDcmtkBridge::FromJson(tag, value, decodeBinaryTags, GetEncoding())); |
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698 ReplaceInternal(*pimpl_->file_->getDataset(), element, mode); |
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699 |
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700 if (tag == DICOM_TAG_SOP_CLASS_UID || |
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701 tag == DICOM_TAG_SOP_INSTANCE_UID) |
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702 { |
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703 if (value.type() != Json::stringValue) |
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704 { |
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705 throw OrthancException(ErrorCode_BadParameterType); |
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706 } |
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707 |
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708 UpdateStorageUid(tag, value.asString(), decodeBinaryTags); |
| 790 | 709 } |
| 710 } | |
| 711 | |
| 712 | |
| 713 void ParsedDicomFile::Answer(RestApiOutput& output) | |
| 714 { | |
| 715 std::string serialized; | |
|
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716 if (FromDcmtkBridge::SaveToMemoryBuffer(serialized, *pimpl_->file_->getDataset())) |
| 790 | 717 { |
| 718 output.AnswerBuffer(serialized, CONTENT_TYPE_OCTET_STREAM); | |
| 719 } | |
| 720 } | |
| 721 | |
| 722 | |
| 723 | |
| 724 bool ParsedDicomFile::GetTagValue(std::string& value, | |
| 725 const DicomTag& tag) | |
| 726 { | |
| 727 DcmTagKey k(tag.GetGroup(), tag.GetElement()); | |
| 794 | 728 DcmDataset& dataset = *pimpl_->file_->getDataset(); |
|
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729 |
|
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730 if (FromDcmtkBridge::IsPrivateTag(tag) || |
|
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731 FromDcmtkBridge::IsUnknownTag(tag) || |
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732 tag == DICOM_TAG_PIXEL_DATA || |
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733 tag == DICOM_TAG_ENCAPSULATED_DOCUMENT) |
| 790 | 734 { |
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735 const Uint8* data = NULL; // This is freed in the destructor of the dataset |
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736 long unsigned int count = 0; |
| 790 | 737 |
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738 if (dataset.findAndGetUint8Array(k, data, &count).good()) |
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739 { |
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740 if (count > 0) |
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741 { |
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742 assert(data != NULL); |
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743 value.assign(reinterpret_cast<const char*>(data), count); |
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744 } |
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745 else |
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746 { |
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747 value.clear(); |
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748 } |
| 790 | 749 |
|
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750 return true; |
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751 } |
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752 else |
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753 { |
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754 return false; |
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755 } |
| 790 | 756 } |
| 757 else | |
| 758 { | |
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759 DcmElement* element = NULL; |
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760 if (!dataset.findAndGetElement(k, element).good() || |
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761 element == NULL) |
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762 { |
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763 return false; |
|
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|
764 } |
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765 |
| 1695 | 766 std::auto_ptr<DicomValue> v(FromDcmtkBridge::ConvertLeafElement(*element, GetEncoding())); |
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767 |
|
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768 if (v.get() == NULL) |
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|
769 { |
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770 value = ""; |
|
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771 } |
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772 else |
|
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773 { |
|
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774 value = v->AsString(); |
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775 } |
|
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776 |
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777 return true; |
| 790 | 778 } |
| 779 } | |
| 780 | |
| 781 | |
| 782 DicomInstanceHasher ParsedDicomFile::GetHasher() | |
| 783 { | |
| 784 std::string patientId, studyUid, seriesUid, instanceUid; | |
| 785 | |
| 786 if (!GetTagValue(patientId, DICOM_TAG_PATIENT_ID) || | |
| 787 !GetTagValue(studyUid, DICOM_TAG_STUDY_INSTANCE_UID) || | |
| 788 !GetTagValue(seriesUid, DICOM_TAG_SERIES_INSTANCE_UID) || | |
| 789 !GetTagValue(instanceUid, DICOM_TAG_SOP_INSTANCE_UID)) | |
| 790 { | |
| 791 throw OrthancException(ErrorCode_BadFileFormat); | |
| 792 } | |
| 793 | |
| 794 return DicomInstanceHasher(patientId, studyUid, seriesUid, instanceUid); | |
| 795 } | |
| 796 | |
| 797 | |
| 798 template <typename T> | |
| 799 static void ExtractPngImageTruncate(std::string& result, | |
| 800 DicomIntegerPixelAccessor& accessor, | |
| 801 PixelFormat format) | |
| 802 { | |
|
853
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|
803 assert(accessor.GetInformation().GetChannelCount() == 1); |
| 790 | 804 |
| 805 PngWriter w; | |
| 806 | |
|
853
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|
807 std::vector<T> image(accessor.GetInformation().GetWidth() * accessor.GetInformation().GetHeight(), 0); |
| 790 | 808 T* pixel = &image[0]; |
|
853
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|
809 for (unsigned int y = 0; y < accessor.GetInformation().GetHeight(); y++) |
| 790 | 810 { |
|
853
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|
811 for (unsigned int x = 0; x < accessor.GetInformation().GetWidth(); x++, pixel++) |
| 790 | 812 { |
| 813 int32_t v = accessor.GetValue(x, y); | |
| 814 if (v < static_cast<int32_t>(std::numeric_limits<T>::min())) | |
| 815 *pixel = std::numeric_limits<T>::min(); | |
| 816 else if (v > static_cast<int32_t>(std::numeric_limits<T>::max())) | |
| 817 *pixel = std::numeric_limits<T>::max(); | |
| 818 else | |
| 819 *pixel = static_cast<T>(v); | |
| 820 } | |
| 821 } | |
| 822 | |
|
853
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|
823 w.WriteToMemory(result, accessor.GetInformation().GetWidth(), accessor.GetInformation().GetHeight(), |
|
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|
824 accessor.GetInformation().GetWidth() * sizeof(T), format, &image[0]); |
| 790 | 825 } |
| 826 | |
| 827 | |
| 828 void ParsedDicomFile::SaveToMemoryBuffer(std::string& buffer) | |
| 829 { | |
|
1004
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diff
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|
830 FromDcmtkBridge::SaveToMemoryBuffer(buffer, *pimpl_->file_->getDataset()); |
| 790 | 831 } |
| 832 | |
| 833 | |
| 834 void ParsedDicomFile::SaveToFile(const std::string& path) | |
| 835 { | |
| 836 // TODO Avoid using a temporary memory buffer, write directly on disk | |
| 837 std::string content; | |
| 838 SaveToMemoryBuffer(content); | |
| 839 Toolbox::WriteFile(content, path); | |
| 840 } | |
| 841 | |
| 842 | |
| 794 | 843 ParsedDicomFile::ParsedDicomFile() : pimpl_(new PImpl) |
| 790 | 844 { |
| 794 | 845 pimpl_->file_.reset(new DcmFileFormat); |
| 790 | 846 Replace(DICOM_TAG_PATIENT_ID, FromDcmtkBridge::GenerateUniqueIdentifier(ResourceType_Patient)); |
| 847 Replace(DICOM_TAG_STUDY_INSTANCE_UID, FromDcmtkBridge::GenerateUniqueIdentifier(ResourceType_Study)); | |
| 848 Replace(DICOM_TAG_SERIES_INSTANCE_UID, FromDcmtkBridge::GenerateUniqueIdentifier(ResourceType_Series)); | |
| 849 Replace(DICOM_TAG_SOP_INSTANCE_UID, FromDcmtkBridge::GenerateUniqueIdentifier(ResourceType_Instance)); | |
| 850 } | |
| 851 | |
| 791 | 852 |
| 794 | 853 ParsedDicomFile::ParsedDicomFile(const char* content, size_t size) : pimpl_(new PImpl) |
| 791 | 854 { |
| 855 Setup(content, size); | |
| 856 } | |
| 857 | |
| 794 | 858 ParsedDicomFile::ParsedDicomFile(const std::string& content) : pimpl_(new PImpl) |
| 791 | 859 { |
| 860 if (content.size() == 0) | |
| 861 { | |
| 862 Setup(NULL, 0); | |
| 863 } | |
| 864 else | |
| 865 { | |
| 866 Setup(&content[0], content.size()); | |
| 867 } | |
| 868 } | |
| 792 | 869 |
| 870 | |
| 794 | 871 ParsedDicomFile::ParsedDicomFile(ParsedDicomFile& other) : |
| 872 pimpl_(new PImpl) | |
| 792 | 873 { |
| 794 | 874 pimpl_->file_.reset(dynamic_cast<DcmFileFormat*>(other.pimpl_->file_->clone())); |
|
956
2fd5a163776d
primitives for proper encoding handling
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diff
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|
875 |
|
1564
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diff
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|
876 // Create a new instance-level identifier |
|
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diff
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|
877 Replace(DICOM_TAG_SOP_INSTANCE_UID, FromDcmtkBridge::GenerateUniqueIdentifier(ResourceType_Instance)); |
| 792 | 878 } |
| 879 | |
| 880 | |
| 881 ParsedDicomFile::~ParsedDicomFile() | |
| 882 { | |
| 794 | 883 delete pimpl_; |
| 792 | 884 } |
| 885 | |
| 793 | 886 |
| 887 void* ParsedDicomFile::GetDcmtkObject() | |
| 888 { | |
| 794 | 889 return pimpl_->file_.get(); |
| 793 | 890 } |
| 891 | |
| 892 | |
| 893 ParsedDicomFile* ParsedDicomFile::Clone() | |
| 894 { | |
| 794 | 895 return new ParsedDicomFile(*this); |
| 793 | 896 } |
|
800
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|
897 |
|
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|
898 |
| 1562 | 899 void ParsedDicomFile::EmbedContent(const std::string& dataUriScheme) |
|
800
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|
900 { |
|
1641
4e56b5a206b7
Support of binary tags encoded using data URI scheme
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diff
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|
901 std::string mime, content; |
|
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|
902 Toolbox::DecodeDataUriScheme(mime, content, dataUriScheme); |
| 1562 | 903 Toolbox::ToLowerCase(mime); |
|
1555
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Creation of DICOM files with encapsulated PDF
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|
904 |
| 1562 | 905 if (mime == "image/png") |
| 906 { | |
| 907 EmbedImage(mime, content); | |
| 908 } | |
| 909 else if (mime == "application/pdf") | |
| 910 { | |
| 911 EmbedPdf(content); | |
| 912 } | |
| 913 else | |
| 914 { | |
|
1693
558b25228a23
creation of tag hierarchy from json
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
915 LOG(ERROR) << "Unsupported MIME type for the content of a new DICOM file: " << mime; |
| 1562 | 916 throw OrthancException(ErrorCode_NotImplemented); |
| 917 } | |
|
1555
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Creation of DICOM files with encapsulated PDF
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diff
changeset
|
918 } |
|
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Creation of DICOM files with encapsulated PDF
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diff
changeset
|
919 |
|
800
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changeset
|
920 |
|
1555
d6a93e12b1c1
Creation of DICOM files with encapsulated PDF
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diff
changeset
|
921 void ParsedDicomFile::EmbedImage(const std::string& mime, |
|
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diff
changeset
|
922 const std::string& content) |
|
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Creation of DICOM files with encapsulated PDF
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changeset
|
923 { |
|
800
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generation of DICOM images from PNG files
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diff
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|
924 if (mime == "image/png") |
|
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|
925 { |
|
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changeset
|
926 PngReader reader; |
|
1555
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Creation of DICOM files with encapsulated PDF
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
927 reader.ReadFromMemory(content); |
|
800
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diff
changeset
|
928 EmbedImage(reader); |
|
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|
929 } |
|
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changeset
|
930 else |
|
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changeset
|
931 { |
|
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diff
changeset
|
932 throw OrthancException(ErrorCode_NotImplemented); |
|
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changeset
|
933 } |
|
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diff
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|
934 } |
|
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generation of DICOM images from PNG files
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diff
changeset
|
935 |
|
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generation of DICOM images from PNG files
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
936 |
|
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diff
changeset
|
937 void ParsedDicomFile::EmbedImage(const ImageAccessor& accessor) |
|
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generation of DICOM images from PNG files
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diff
changeset
|
938 { |
|
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diff
changeset
|
939 if (accessor.GetFormat() != PixelFormat_Grayscale8 && |
|
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generation of DICOM images from PNG files
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diff
changeset
|
940 accessor.GetFormat() != PixelFormat_Grayscale16 && |
|
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generation of DICOM images from PNG files
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diff
changeset
|
941 accessor.GetFormat() != PixelFormat_RGB24 && |
|
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parents:
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diff
changeset
|
942 accessor.GetFormat() != PixelFormat_RGBA32) |
|
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generation of DICOM images from PNG files
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
943 { |
|
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generation of DICOM images from PNG files
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
944 throw OrthancException(ErrorCode_NotImplemented); |
|
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generation of DICOM images from PNG files
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diff
changeset
|
945 } |
|
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generation of DICOM images from PNG files
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diff
changeset
|
946 |
|
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generation of DICOM images from PNG files
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
947 if (accessor.GetFormat() == PixelFormat_RGBA32) |
|
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generation of DICOM images from PNG files
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diff
changeset
|
948 { |
|
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generation of DICOM images from PNG files
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
949 LOG(WARNING) << "Getting rid of the alpha channel when embedding a RGBA image inside DICOM"; |
|
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generation of DICOM images from PNG files
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diff
changeset
|
950 } |
|
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generation of DICOM images from PNG files
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
951 |
|
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generation of DICOM images from PNG files
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
799
diff
changeset
|
952 // http://dicomiseasy.blogspot.be/2012/08/chapter-12-pixel-data.html |
|
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diff
changeset
|
953 |
|
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generation of DICOM images from PNG files
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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diff
changeset
|
954 Remove(DICOM_TAG_PIXEL_DATA); |
|
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generation of DICOM images from PNG files
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diff
changeset
|
955 Replace(DICOM_TAG_COLUMNS, boost::lexical_cast<std::string>(accessor.GetWidth())); |
|
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generation of DICOM images from PNG files
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diff
changeset
|
956 Replace(DICOM_TAG_ROWS, boost::lexical_cast<std::string>(accessor.GetHeight())); |
|
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generation of DICOM images from PNG files
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diff
changeset
|
957 Replace(DICOM_TAG_SAMPLES_PER_PIXEL, "1"); |
|
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diff
changeset
|
958 Replace(DICOM_TAG_NUMBER_OF_FRAMES, "1"); |
|
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diff
changeset
|
959 Replace(DICOM_TAG_PIXEL_REPRESENTATION, "0"); // Unsigned pixels |
|
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diff
changeset
|
960 Replace(DICOM_TAG_PLANAR_CONFIGURATION, "0"); // Color channels are interleaved |
|
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changeset
|
961 Replace(DICOM_TAG_PHOTOMETRIC_INTERPRETATION, "MONOCHROME2"); |
|
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generation of DICOM images from PNG files
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diff
changeset
|
962 Replace(DICOM_TAG_BITS_ALLOCATED, "8"); |
|
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generation of DICOM images from PNG files
Sebastien Jodogne <s.jodogne@gmail.com>
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diff
changeset
|
963 Replace(DICOM_TAG_BITS_STORED, "8"); |
|
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generation of DICOM images from PNG files
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diff
changeset
|
964 Replace(DICOM_TAG_HIGH_BIT, "7"); |
|
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generation of DICOM images from PNG files
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diff
changeset
|
965 |
|
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generation of DICOM images from PNG files
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diff
changeset
|
966 unsigned int bytesPerPixel = 1; |
|
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diff
changeset
|
967 |
|
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generation of DICOM images from PNG files
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parents:
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diff
changeset
|
968 switch (accessor.GetFormat()) |
|
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changeset
|
969 { |
|
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generation of DICOM images from PNG files
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diff
changeset
|
970 case PixelFormat_RGB24: |
|
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diff
changeset
|
971 case PixelFormat_RGBA32: |
|
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changeset
|
972 Replace(DICOM_TAG_PHOTOMETRIC_INTERPRETATION, "RGB"); |
|
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changeset
|
973 Replace(DICOM_TAG_SAMPLES_PER_PIXEL, "3"); |
|
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diff
changeset
|
974 bytesPerPixel = 3; |
|
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diff
changeset
|
975 break; |
|
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generation of DICOM images from PNG files
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diff
changeset
|
976 |
|
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generation of DICOM images from PNG files
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changeset
|
977 case PixelFormat_Grayscale8: |
|
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|
978 break; |
|
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diff
changeset
|
979 |
|
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generation of DICOM images from PNG files
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changeset
|
980 case PixelFormat_Grayscale16: |
|
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changeset
|
981 Replace(DICOM_TAG_BITS_ALLOCATED, "16"); |
|
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changeset
|
982 Replace(DICOM_TAG_BITS_STORED, "16"); |
|
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changeset
|
983 Replace(DICOM_TAG_HIGH_BIT, "15"); |
|
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changeset
|
984 bytesPerPixel = 2; |
|
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changeset
|
985 break; |
|
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changeset
|
986 |
|
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changeset
|
987 default: |
|
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changeset
|
988 throw OrthancException(ErrorCode_NotImplemented); |
|
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|
989 } |
|
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990 |
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991 DcmTag key(DICOM_TAG_PIXEL_DATA.GetGroup(), |
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992 DICOM_TAG_PIXEL_DATA.GetElement()); |
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993 |
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994 std::auto_ptr<DcmPixelData> pixels(new DcmPixelData(key)); |
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995 |
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996 unsigned int pitch = accessor.GetWidth() * bytesPerPixel; |
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997 Uint8* target = NULL; |
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998 pixels->createUint8Array(accessor.GetHeight() * pitch, target); |
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999 |
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1000 for (unsigned int y = 0; y < accessor.GetHeight(); y++) |
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1001 { |
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1002 switch (accessor.GetFormat()) |
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1003 { |
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1004 case PixelFormat_RGB24: |
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1005 case PixelFormat_Grayscale8: |
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1006 case PixelFormat_Grayscale16: |
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1007 case PixelFormat_SignedGrayscale16: |
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1008 { |
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1009 memcpy(target, reinterpret_cast<const Uint8*>(accessor.GetConstRow(y)), pitch); |
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1010 target += pitch; |
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1011 break; |
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1012 } |
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1013 |
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1014 case PixelFormat_RGBA32: |
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1015 { |
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1016 // The alpha channel is not supported by the DICOM standard |
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1017 const Uint8* source = reinterpret_cast<const Uint8*>(accessor.GetConstRow(y)); |
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1018 for (unsigned int x = 0; x < accessor.GetWidth(); x++, target += 3, source += 4) |
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1019 { |
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1020 target[0] = source[0]; |
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1021 target[1] = source[1]; |
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1022 target[2] = source[2]; |
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1023 } |
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1024 |
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1025 break; |
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1026 } |
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1027 |
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1028 default: |
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1029 throw OrthancException(ErrorCode_NotImplemented); |
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1030 } |
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1031 } |
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1032 |
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1033 if (!pimpl_->file_->getDataset()->insert(pixels.release(), false, false).good()) |
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1034 { |
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1035 throw OrthancException(ErrorCode_InternalError); |
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1036 } |
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1037 } |
|
874
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1038 |
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1039 |
|
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1040 void ParsedDicomFile::ExtractImage(ImageBuffer& result, |
|
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1041 unsigned int frame) |
|
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1042 { |
|
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1043 DcmDataset& dataset = *pimpl_->file_->getDataset(); |
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1044 |
|
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1045 if (!DicomImageDecoder::Decode(result, dataset, frame)) |
|
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|
1046 { |
|
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1047 throw OrthancException(ErrorCode_BadFileFormat); |
|
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|
1048 } |
|
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|
1049 } |
|
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|
1050 |
|
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|
1051 |
|
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|
1052 void ParsedDicomFile::ExtractImage(ImageBuffer& result, |
|
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1053 unsigned int frame, |
|
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|
1054 ImageExtractionMode mode) |
|
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|
1055 { |
|
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|
1056 DcmDataset& dataset = *pimpl_->file_->getDataset(); |
|
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|
1057 |
|
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|
1058 bool ok = false; |
|
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diff
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|
1059 |
|
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|
1060 switch (mode) |
|
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parents:
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|
1061 { |
|
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|
1062 case ImageExtractionMode_UInt8: |
|
1015
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|
1063 ok = DicomImageDecoder::DecodeAndTruncate(result, dataset, frame, PixelFormat_Grayscale8, false); |
|
874
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|
1064 break; |
|
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|
1065 |
|
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|
1066 case ImageExtractionMode_UInt16: |
|
1015
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|
1067 ok = DicomImageDecoder::DecodeAndTruncate(result, dataset, frame, PixelFormat_Grayscale16, false); |
|
874
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|
1068 break; |
|
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|
1069 |
|
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|
1070 case ImageExtractionMode_Int16: |
|
1015
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|
1071 ok = DicomImageDecoder::DecodeAndTruncate(result, dataset, frame, PixelFormat_SignedGrayscale16, false); |
|
874
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|
1072 break; |
|
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|
1073 |
|
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|
1074 case ImageExtractionMode_Preview: |
|
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|
1075 ok = DicomImageDecoder::DecodePreview(result, dataset, frame); |
|
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|
1076 break; |
|
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|
1077 |
|
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|
1078 default: |
|
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|
1079 throw OrthancException(ErrorCode_ParameterOutOfRange); |
|
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|
1080 } |
|
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|
1081 |
|
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|
1082 if (!ok) |
|
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|
1083 { |
|
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|
1084 throw OrthancException(ErrorCode_BadFileFormat); |
|
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|
1085 } |
|
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|
1086 } |
|
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changeset
|
1087 |
|
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changeset
|
1088 |
|
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changeset
|
1089 void ParsedDicomFile::ExtractPngImage(std::string& result, |
|
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|
1090 unsigned int frame, |
|
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|
1091 ImageExtractionMode mode) |
|
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|
1092 { |
|
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|
1093 ImageBuffer buffer; |
|
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|
1094 ExtractImage(buffer, frame, mode); |
|
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|
1095 |
|
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changeset
|
1096 ImageAccessor accessor(buffer.GetConstAccessor()); |
|
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|
1097 PngWriter writer; |
|
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|
1098 writer.WriteToMemory(result, accessor); |
|
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|
1099 } |
|
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|
1100 |
|
956
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|
1101 |
|
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|
1102 Encoding ParsedDicomFile::GetEncoding() const |
|
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1103 { |
| 1695 | 1104 return FromDcmtkBridge::DetectEncoding(*pimpl_->file_->getDataset()); |
|
956
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|
1105 } |
|
1090
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|
1106 |
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1107 |
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1108 void ParsedDicomFile::SetEncoding(Encoding encoding) |
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1109 { |
|
1558
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1110 if (encoding == Encoding_Windows1251) |
|
1090
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1111 { |
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1112 // This Cyrillic codepage is not officially supported by the |
|
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1113 // DICOM standard. Do not set the SpecificCharacterSet tag. |
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1114 return; |
|
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1115 } |
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1116 |
|
1565
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1117 std::string s = GetDicomSpecificCharacterSet(encoding); |
| 1091 | 1118 Replace(DICOM_TAG_SPECIFIC_CHARACTER_SET, s, DicomReplaceMode_InsertIfAbsent); |
|
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1119 } |
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1120 |
| 1686 | 1121 void ParsedDicomFile::ToJson(Json::Value& target, |
| 1122 DicomToJsonFormat format, | |
| 1123 unsigned int maxStringLength) | |
|
1160
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1124 { |
| 1686 | 1125 FromDcmtkBridge::ToJson(target, *pimpl_->file_->getDataset(), format, maxStringLength); |
|
1160
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1126 } |
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1127 |
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1128 |
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1129 bool ParsedDicomFile::HasTag(const DicomTag& tag) const |
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1130 { |
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1131 DcmTag key(tag.GetGroup(), tag.GetElement()); |
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1132 return pimpl_->file_->getDataset()->tagExists(key); |
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1133 } |
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1134 |
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1135 |
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1136 void ParsedDicomFile::EmbedPdf(const std::string& pdf) |
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1137 { |
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1138 if (pdf.size() < 5 || // (*) |
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1139 strncmp("%PDF-", pdf.c_str(), 5) != 0) |
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1140 { |
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1141 LOG(ERROR) << "Not a PDF file"; |
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1142 throw OrthancException(ErrorCode_BadFileFormat); |
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1143 } |
|
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|
1144 |
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1145 Replace(DICOM_TAG_SOP_CLASS_UID, UID_EncapsulatedPDFStorage); |
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Creation of DICOM files with encapsulated PDF
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1146 Replace(FromDcmtkBridge::Convert(DCM_Modality), "OT"); |
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|
1147 Replace(FromDcmtkBridge::Convert(DCM_ConversionType), "WSD"); |
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|
1148 Replace(FromDcmtkBridge::Convert(DCM_MIMETypeOfEncapsulatedDocument), "application/pdf"); |
| 1566 | 1149 //Replace(FromDcmtkBridge::Convert(DCM_SeriesNumber), "1"); |
|
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|
1150 |
|
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|
1151 std::auto_ptr<DcmPolymorphOBOW> element(new DcmPolymorphOBOW(DCM_EncapsulatedDocument)); |
|
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|
1152 |
|
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|
1153 size_t s = pdf.size(); |
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|
1154 if (s & 1) |
|
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|
1155 { |
|
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Creation of DICOM files with encapsulated PDF
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|
1156 // The size of the buffer must be even |
|
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Creation of DICOM files with encapsulated PDF
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|
1157 s += 1; |
|
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Creation of DICOM files with encapsulated PDF
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|
1158 } |
|
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Creation of DICOM files with encapsulated PDF
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|
1159 |
|
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|
1160 Uint8* bytes = NULL; |
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|
1161 OFCondition result = element->createUint8Array(s, bytes); |
|
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|
1162 if (!result.good() || bytes == NULL) |
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|
1163 { |
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|
1164 throw OrthancException(ErrorCode_NotEnoughMemory); |
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|
1165 } |
|
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|
1166 |
|
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|
1167 // Blank pad byte (no access violation, as "pdf.size() >= 5" because of (*) ) |
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|
1168 bytes[s - 1] = 0; |
|
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|
1169 |
|
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|
1170 memcpy(bytes, pdf.c_str(), pdf.size()); |
|
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|
1171 |
|
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|
1172 DcmPolymorphOBOW* obj = element.release(); |
|
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1173 result = pimpl_->file_->getDataset()->insert(obj); |
|
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|
1174 |
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|
1175 if (!result.good()) |
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|
1176 { |
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Creation of DICOM files with encapsulated PDF
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|
1177 delete obj; |
|
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Creation of DICOM files with encapsulated PDF
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|
1178 throw OrthancException(ErrorCode_NotEnoughMemory); |
|
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|
1179 } |
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|
1180 } |
|
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|
1181 |
|
1556
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|
1182 |
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|
1183 bool ParsedDicomFile::ExtractPdf(std::string& pdf) |
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|
1184 { |
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|
1185 std::string sop, mime; |
|
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|
1186 |
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|
1187 if (!GetTagValue(sop, DICOM_TAG_SOP_CLASS_UID) || |
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|
1188 !GetTagValue(mime, FromDcmtkBridge::Convert(DCM_MIMETypeOfEncapsulatedDocument)) || |
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|
1189 sop != UID_EncapsulatedPDFStorage || |
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|
1190 mime != "application/pdf") |
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|
1191 { |
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|
1192 return false; |
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|
1193 } |
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|
1194 |
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|
1195 if (!GetTagValue(pdf, DICOM_TAG_ENCAPSULATED_DOCUMENT)) |
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|
1196 { |
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|
1197 return false; |
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|
1198 } |
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|
1199 |
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|
1200 // Strip the possible pad byte at the end of file, because the |
|
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1201 // encapsulated documents must always have an even length. The PDF |
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|
1202 // format expects files to end with %%EOF followed by CR/LF. If |
|
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|
1203 // the last character of the file is not a CR or LF, we assume it |
|
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|
1204 // is a pad byte and remove it. |
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|
1205 if (pdf.size() > 0) |
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|
1206 { |
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|
1207 char last = *pdf.rbegin(); |
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|
1208 |
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|
1209 if (last != 10 && last != 13) |
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|
1210 { |
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changeset
|
1211 pdf.resize(pdf.size() - 1); |
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changeset
|
1212 } |
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|
1213 } |
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|
1214 |
|
b8dc2f855a83
Preview of PDF files encapsulated in DICOM from Orthanc Explorer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1555
diff
changeset
|
1215 return true; |
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b8dc2f855a83
Preview of PDF files encapsulated in DICOM from Orthanc Explorer
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1555
diff
changeset
|
1216 } |
|
1662
09be34b2f30e
ParsedDicomFile::Convert()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1655
diff
changeset
|
1217 |
|
09be34b2f30e
ParsedDicomFile::Convert()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1655
diff
changeset
|
1218 |
|
09be34b2f30e
ParsedDicomFile::Convert()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1655
diff
changeset
|
1219 void ParsedDicomFile::Convert(DicomMap& tags) |
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09be34b2f30e
ParsedDicomFile::Convert()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1655
diff
changeset
|
1220 { |
|
09be34b2f30e
ParsedDicomFile::Convert()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1655
diff
changeset
|
1221 FromDcmtkBridge::Convert(tags, *pimpl_->file_->getDataset()); |
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09be34b2f30e
ParsedDicomFile::Convert()
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1655
diff
changeset
|
1222 } |
| 790 | 1223 } |