Mercurial > hg > orthanc
annotate OrthancServer/Internals/DicomImageDecoder.cpp @ 2131:bb199bccdc45
reorganization
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Tue, 08 Nov 2016 10:49:45 +0100 |
| parents | b9bd52c72ba2 |
| children | dd609a99d39a |
| rev | line source |
|---|---|
| 845 | 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 |
| 845 | 5 * |
| 6 * This program is free software: you can redistribute it and/or | |
| 7 * modify it under the terms of the GNU General Public License as | |
| 8 * published by the Free Software Foundation, either version 3 of the | |
| 9 * License, or (at your option) any later version. | |
| 10 * | |
| 11 * In addition, as a special exception, the copyright holders of this | |
| 12 * program give permission to link the code of its release with the | |
| 13 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 14 * that use the same license as the "OpenSSL" library), and distribute | |
| 15 * the linked executables. You must obey the GNU General Public License | |
| 16 * in all respects for all of the code used other than "OpenSSL". If you | |
| 17 * modify file(s) with this exception, you may extend this exception to | |
| 18 * your version of the file(s), but you are not obligated to do so. If | |
| 19 * you do not wish to do so, delete this exception statement from your | |
| 20 * version. If you delete this exception statement from all source files | |
| 21 * in the program, then also delete it here. | |
| 22 * | |
| 23 * This program is distributed in the hope that it will be useful, but | |
| 24 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 26 * General Public License for more details. | |
| 27 * | |
| 28 * You should have received a copy of the GNU General Public License | |
| 29 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 30 **/ | |
| 31 | |
| 32 | |
| 33 #include "../PrecompiledHeadersServer.h" | |
| 34 #include "DicomImageDecoder.h" | |
| 35 | |
| 846 | 36 |
| 37 /*========================================================================= | |
| 38 | |
| 39 This file is based on portions of the following project | |
| 40 (cf. function "DecodePsmctRle1()"): | |
| 41 | |
| 42 Program: GDCM (Grassroots DICOM). A DICOM library | |
| 43 Module: http://gdcm.sourceforge.net/Copyright.html | |
| 44 | |
| 863 | 45 Copyright (c) 2006-2011 Mathieu Malaterre |
| 46 Copyright (c) 1993-2005 CREATIS | |
| 47 (CREATIS = Centre de Recherche et d'Applications en Traitement de l'Image) | |
| 48 All rights reserved. | |
| 846 | 49 |
| 863 | 50 Redistribution and use in source and binary forms, with or without |
| 51 modification, are permitted provided that the following conditions are met: | |
| 846 | 52 |
| 863 | 53 * Redistributions of source code must retain the above copyright notice, |
| 54 this list of conditions and the following disclaimer. | |
| 846 | 55 |
| 863 | 56 * Redistributions in binary form must reproduce the above copyright notice, |
| 57 this list of conditions and the following disclaimer in the documentation | |
| 58 and/or other materials provided with the distribution. | |
| 846 | 59 |
| 863 | 60 * Neither name of Mathieu Malaterre, or CREATIS, nor the names of any |
| 61 contributors (CNRS, INSERM, UCB, Universite Lyon I), may be used to | |
| 62 endorse or promote products derived from this software without specific | |
| 63 prior written permission. | |
| 846 | 64 |
| 863 | 65 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' |
| 66 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 67 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 68 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR | |
| 69 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 70 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| 71 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| 72 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
| 73 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 74 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 846 | 75 |
| 863 | 76 =========================================================================*/ |
| 846 | 77 |
| 78 | |
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79 #include "../../Core/Logging.h" |
| 845 | 80 #include "../../Core/OrthancException.h" |
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81 #include "../../Core/Images/Image.h" |
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82 #include "../../Core/Images/ImageProcessing.h" |
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83 #include "../../Core/Images/PngWriter.h" |
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84 #include "../../Core/Images/JpegWriter.h" |
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85 #include "../../Core/DicomFormat/DicomIntegerPixelAccessor.h" |
| 845 | 86 #include "../ToDcmtkBridge.h" |
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87 #include "../FromDcmtkBridge.h" |
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88 #include "../ParsedDicomFile.h" |
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89 #include "../OrthancInitialization.h" |
| 845 | 90 |
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91 #include <boost/lexical_cast.hpp> |
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92 |
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93 #include <dcmtk/dcmdata/dcfilefo.h> |
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94 #include <dcmtk/dcmdata/dcrleccd.h> |
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95 #include <dcmtk/dcmdata/dcrlecp.h> |
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96 |
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97 #if ORTHANC_JPEG_LOSSLESS_ENABLED == 1 |
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98 # include <dcmtk/dcmjpls/djcodecd.h> |
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99 # include <dcmtk/dcmjpls/djcparam.h> |
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100 # include <dcmtk/dcmjpeg/djrplol.h> |
| 845 | 101 #endif |
| 102 | |
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103 #if ORTHANC_JPEG_ENABLED == 1 |
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104 # include <dcmtk/dcmjpeg/djcodecd.h> |
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105 # include <dcmtk/dcmjpeg/djcparam.h> |
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106 # include <dcmtk/dcmjpeg/djdecbas.h> |
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107 # include <dcmtk/dcmjpeg/djdecext.h> |
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108 # include <dcmtk/dcmjpeg/djdeclol.h> |
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109 # include <dcmtk/dcmjpeg/djdecpro.h> |
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110 # include <dcmtk/dcmjpeg/djdecsps.h> |
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111 # include <dcmtk/dcmjpeg/djdecsv1.h> |
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112 #endif |
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113 |
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114 #if DCMTK_VERSION_NUMBER <= 360 |
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115 # define EXS_JPEGProcess1 EXS_JPEGProcess1TransferSyntax |
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116 # define EXS_JPEGProcess2_4 EXS_JPEGProcess2_4TransferSyntax |
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117 # define EXS_JPEGProcess6_8 EXS_JPEGProcess6_8TransferSyntax |
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118 # define EXS_JPEGProcess10_12 EXS_JPEGProcess10_12TransferSyntax |
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119 # define EXS_JPEGProcess14 EXS_JPEGProcess14TransferSyntax |
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120 # define EXS_JPEGProcess14SV1 EXS_JPEGProcess14SV1TransferSyntax |
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121 #endif |
| 845 | 122 |
| 123 namespace Orthanc | |
| 124 { | |
| 846 | 125 static const DicomTag DICOM_TAG_CONTENT(0x07a1, 0x100a); |
| 126 static const DicomTag DICOM_TAG_COMPRESSION_TYPE(0x07a1, 0x1011); | |
| 127 | |
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128 |
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129 bool DicomImageDecoder::IsPsmctRle1(DcmDataset& dataset) |
| 846 | 130 { |
| 131 DcmElement* e; | |
| 132 char* c; | |
| 133 | |
| 134 // Check whether the DICOM instance contains an image encoded with | |
| 135 // the PMSCT_RLE1 scheme. | |
| 136 if (!dataset.findAndGetElement(ToDcmtkBridge::Convert(DICOM_TAG_COMPRESSION_TYPE), e).good() || | |
| 137 e == NULL || | |
| 138 !e->isaString() || | |
| 139 !e->getString(c).good() || | |
| 140 c == NULL || | |
| 141 strcmp("PMSCT_RLE1", c)) | |
| 142 { | |
| 143 return false; | |
| 144 } | |
| 145 else | |
| 146 { | |
| 147 return true; | |
| 148 } | |
| 149 } | |
| 150 | |
| 151 | |
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152 bool DicomImageDecoder::DecodePsmctRle1(std::string& output, |
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153 DcmDataset& dataset) |
| 846 | 154 { |
| 155 // Check whether the DICOM instance contains an image encoded with | |
| 156 // the PMSCT_RLE1 scheme. | |
| 157 if (!IsPsmctRle1(dataset)) | |
| 158 { | |
| 159 return false; | |
| 160 } | |
| 161 | |
| 162 // OK, this is a custom RLE encoding from Philips. Get the pixel | |
| 163 // data from the appropriate private DICOM tag. | |
| 164 Uint8* pixData = NULL; | |
| 165 DcmElement* e; | |
| 166 if (!dataset.findAndGetElement(ToDcmtkBridge::Convert(DICOM_TAG_CONTENT), e).good() || | |
| 167 e == NULL || | |
| 168 e->getUint8Array(pixData) != EC_Normal) | |
| 169 { | |
| 170 return false; | |
| 171 } | |
| 172 | |
| 173 // The "unsigned" below IS VERY IMPORTANT | |
| 174 const uint8_t* inbuffer = reinterpret_cast<const uint8_t*>(pixData); | |
| 175 const size_t length = e->getLength(); | |
| 176 | |
| 177 /** | |
| 178 * The code below is an adaptation of a sample code for GDCM by | |
| 179 * Mathieu Malaterre (under a BSD license). | |
| 180 * http://gdcm.sourceforge.net/html/rle2img_8cxx-example.html | |
| 181 **/ | |
| 182 | |
| 183 // RLE pass | |
| 184 std::vector<uint8_t> temp; | |
| 185 temp.reserve(length); | |
| 186 for (size_t i = 0; i < length; i++) | |
| 187 { | |
| 188 if (inbuffer[i] == 0xa5) | |
| 189 { | |
| 190 temp.push_back(inbuffer[i+2]); | |
| 191 for (uint8_t repeat = inbuffer[i + 1]; repeat != 0; repeat--) | |
| 192 { | |
| 193 temp.push_back(inbuffer[i+2]); | |
| 194 } | |
| 195 i += 2; | |
| 196 } | |
| 197 else | |
| 198 { | |
| 199 temp.push_back(inbuffer[i]); | |
| 200 } | |
| 201 } | |
| 202 | |
| 203 // Delta encoding pass | |
| 204 uint16_t delta = 0; | |
| 205 output.clear(); | |
| 206 output.reserve(temp.size()); | |
| 207 for (size_t i = 0; i < temp.size(); i++) | |
| 208 { | |
| 209 uint16_t value; | |
| 210 | |
| 211 if (temp[i] == 0x5a) | |
| 212 { | |
| 213 uint16_t v1 = temp[i + 1]; | |
| 214 uint16_t v2 = temp[i + 2]; | |
| 215 value = (v2 << 8) + v1; | |
| 216 i += 2; | |
| 217 } | |
| 218 else | |
| 219 { | |
| 220 value = delta + (int8_t) temp[i]; | |
| 221 } | |
| 222 | |
| 223 output.push_back(value & 0xff); | |
| 224 output.push_back(value >> 8); | |
| 225 delta = value; | |
| 226 } | |
| 227 | |
| 228 if (output.size() % 2) | |
| 229 { | |
| 230 output.resize(output.size() - 1); | |
| 231 } | |
| 232 | |
| 233 return true; | |
| 234 } | |
| 235 | |
| 236 | |
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237 class DicomImageDecoder::ImageSource |
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238 { |
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239 private: |
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240 std::string psmct_; |
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241 std::auto_ptr<DicomIntegerPixelAccessor> slowAccessor_; |
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242 |
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243 public: |
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244 void Setup(DcmDataset& dataset, |
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245 unsigned int frame) |
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246 { |
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247 psmct_.clear(); |
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248 slowAccessor_.reset(NULL); |
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249 |
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250 // See also: http://support.dcmtk.org/wiki/dcmtk/howto/accessing-compressed-data |
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251 |
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252 DicomMap m; |
| 2131 | 253 Configuration::ExtractDicomSummary(m, dataset); |
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254 |
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255 /** |
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256 * Create an accessor to the raw values of the DICOM image. |
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257 **/ |
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258 |
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259 DcmElement* e; |
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260 if (dataset.findAndGetElement(ToDcmtkBridge::Convert(DICOM_TAG_PIXEL_DATA), e).good() && |
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261 e != NULL) |
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262 { |
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263 Uint8* pixData = NULL; |
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264 if (e->getUint8Array(pixData) == EC_Normal) |
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265 { |
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266 slowAccessor_.reset(new DicomIntegerPixelAccessor(m, pixData, e->getLength())); |
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267 } |
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268 } |
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269 else if (DecodePsmctRle1(psmct_, dataset)) |
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270 { |
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271 LOG(INFO) << "The PMSCT_RLE1 decoding has succeeded"; |
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272 Uint8* pixData = NULL; |
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273 if (psmct_.size() > 0) |
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274 { |
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275 pixData = reinterpret_cast<Uint8*>(&psmct_[0]); |
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276 } |
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277 |
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278 slowAccessor_.reset(new DicomIntegerPixelAccessor(m, pixData, psmct_.size())); |
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279 } |
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280 |
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281 if (slowAccessor_.get() == NULL) |
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282 { |
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283 throw OrthancException(ErrorCode_BadFileFormat); |
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284 } |
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285 |
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286 slowAccessor_->SetCurrentFrame(frame); |
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287 } |
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288 |
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289 unsigned int GetWidth() const |
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290 { |
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291 assert(slowAccessor_.get() != NULL); |
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292 return slowAccessor_->GetInformation().GetWidth(); |
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293 } |
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294 |
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295 unsigned int GetHeight() const |
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296 { |
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297 assert(slowAccessor_.get() != NULL); |
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298 return slowAccessor_->GetInformation().GetHeight(); |
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299 } |
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300 |
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301 unsigned int GetChannelCount() const |
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302 { |
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303 assert(slowAccessor_.get() != NULL); |
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304 return slowAccessor_->GetInformation().GetChannelCount(); |
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305 } |
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306 |
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307 const DicomIntegerPixelAccessor& GetAccessor() const |
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308 { |
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309 assert(slowAccessor_.get() != NULL); |
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310 return *slowAccessor_; |
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311 } |
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312 |
| 1190 | 313 unsigned int GetSize() const |
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314 { |
| 1190 | 315 assert(slowAccessor_.get() != NULL); |
| 316 return slowAccessor_->GetSize(); | |
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317 } |
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318 }; |
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319 |
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320 |
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321 ImageAccessor* DicomImageDecoder::CreateImage(DcmDataset& dataset, |
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322 bool ignorePhotometricInterpretation) |
| 845 | 323 { |
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324 DicomMap m; |
| 2131 | 325 Configuration::ExtractDicomSummary(m, dataset); |
| 845 | 326 |
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327 DicomImageInformation info(m); |
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328 PixelFormat format; |
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329 |
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330 if (!info.ExtractPixelFormat(format, ignorePhotometricInterpretation)) |
| 845 | 331 { |
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332 LOG(WARNING) << "Unsupported DICOM image: " << info.GetBitsStored() |
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333 << "bpp, " << info.GetChannelCount() << " channels, " |
| 860 | 334 << (info.IsSigned() ? "signed" : "unsigned") |
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335 << (info.IsPlanar() ? ", planar, " : ", non-planar, ") |
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336 << EnumerationToString(info.GetPhotometricInterpretation()) |
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337 << " photometric interpretation"; |
| 845 | 338 throw OrthancException(ErrorCode_NotImplemented); |
| 339 } | |
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340 |
| 2107 | 341 return new Image(format, info.GetWidth(), info.GetHeight(), false); |
| 845 | 342 } |
| 343 | |
| 344 | |
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345 template <typename PixelType> |
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346 static void CopyPixels(ImageAccessor& target, |
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347 const DicomIntegerPixelAccessor& source) |
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348 { |
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349 const PixelType minValue = std::numeric_limits<PixelType>::min(); |
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350 const PixelType maxValue = std::numeric_limits<PixelType>::max(); |
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351 |
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352 for (unsigned int y = 0; y < source.GetInformation().GetHeight(); y++) |
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353 { |
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354 PixelType* pixel = reinterpret_cast<PixelType*>(target.GetRow(y)); |
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355 for (unsigned int x = 0; x < source.GetInformation().GetWidth(); x++) |
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356 { |
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357 for (unsigned int c = 0; c < source.GetInformation().GetChannelCount(); c++, pixel++) |
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358 { |
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359 int32_t v = source.GetValue(x, y, c); |
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360 if (v < static_cast<int32_t>(minValue)) |
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361 { |
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362 *pixel = minValue; |
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363 } |
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364 else if (v > static_cast<int32_t>(maxValue)) |
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365 { |
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366 *pixel = maxValue; |
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367 } |
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368 else |
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369 { |
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370 *pixel = static_cast<PixelType>(v); |
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371 } |
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372 } |
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373 } |
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374 } |
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375 } |
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376 |
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377 |
|
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378 ImageAccessor* DicomImageDecoder::DecodeUncompressedImage(DcmDataset& dataset, |
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379 unsigned int frame) |
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380 { |
| 852 | 381 ImageSource source; |
| 382 source.Setup(dataset, frame); | |
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383 |
|
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384 |
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385 /** |
|
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386 * Resize the target image. |
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387 **/ |
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388 |
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389 std::auto_ptr<ImageAccessor> target(CreateImage(dataset, false)); |
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390 |
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391 if (source.GetWidth() != target->GetWidth() || |
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392 source.GetHeight() != target->GetHeight()) |
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393 { |
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394 throw OrthancException(ErrorCode_InternalError); |
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395 } |
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396 |
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397 |
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398 /** |
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399 * If the format of the DICOM buffer is natively supported, use a |
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400 * direct access to copy its values. |
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401 **/ |
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402 |
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403 const DicomImageInformation& info = source.GetAccessor().GetInformation(); |
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404 |
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405 bool fastVersionSuccess = false; |
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406 PixelFormat sourceFormat; |
| 863 | 407 if (!info.IsPlanar() && |
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408 info.ExtractPixelFormat(sourceFormat, false)) |
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409 { |
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410 try |
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411 { |
| 1190 | 412 size_t frameSize = info.GetHeight() * info.GetWidth() * GetBytesPerPixel(sourceFormat); |
| 413 if ((frame + 1) * frameSize <= source.GetSize()) | |
| 414 { | |
| 415 const uint8_t* buffer = reinterpret_cast<const uint8_t*>(source.GetAccessor().GetPixelData()); | |
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416 |
| 1190 | 417 ImageAccessor sourceImage; |
| 418 sourceImage.AssignReadOnly(sourceFormat, | |
| 419 info.GetWidth(), | |
| 420 info.GetHeight(), | |
| 421 info.GetWidth() * GetBytesPerPixel(sourceFormat), | |
| 422 buffer + frame * frameSize); | |
| 423 | |
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424 ImageProcessing::Convert(*target, sourceImage); |
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425 ImageProcessing::ShiftRight(*target, info.GetShift()); |
| 1190 | 426 fastVersionSuccess = true; |
| 427 } | |
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428 } |
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429 catch (OrthancException&) |
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430 { |
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431 // Unsupported conversion, use the slow version |
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432 } |
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433 } |
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434 |
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435 /** |
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436 * Slow version : loop over the DICOM buffer, storing its value |
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437 * into the target image. |
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438 **/ |
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439 |
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440 if (!fastVersionSuccess) |
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441 { |
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442 switch (target->GetFormat()) |
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443 { |
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444 case PixelFormat_RGB24: |
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445 case PixelFormat_RGBA32: |
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446 case PixelFormat_Grayscale8: |
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447 CopyPixels<uint8_t>(*target, source.GetAccessor()); |
| 863 | 448 break; |
| 860 | 449 |
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450 case PixelFormat_Grayscale16: |
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451 CopyPixels<uint16_t>(*target, source.GetAccessor()); |
| 863 | 452 break; |
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453 |
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454 case PixelFormat_SignedGrayscale16: |
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455 CopyPixels<int16_t>(*target, source.GetAccessor()); |
| 863 | 456 break; |
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457 |
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458 default: |
| 863 | 459 throw OrthancException(ErrorCode_InternalError); |
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460 } |
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461 } |
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462 |
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463 return target.release(); |
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464 } |
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465 |
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466 |
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467 ImageAccessor* DicomImageDecoder::ApplyCodec(const DcmCodec& codec, |
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468 const DcmCodecParameter& parameters, |
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469 DcmDataset& dataset, |
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470 unsigned int frame) |
| 1903 | 471 { |
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472 DcmPixelSequence* pixelSequence = FromDcmtkBridge::GetPixelSequence(dataset); |
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473 if (pixelSequence == NULL) |
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474 { |
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475 throw OrthancException(ErrorCode_BadFileFormat); |
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476 } |
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477 |
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478 std::auto_ptr<ImageAccessor> target(CreateImage(dataset, true)); |
| 845 | 479 |
| 480 Uint32 startFragment = 0; // Default | |
| 481 OFString decompressedColorModel; // Out | |
| 482 DJ_RPLossless representationParameter; | |
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483 OFCondition c = codec.decodeFrame(&representationParameter, |
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484 pixelSequence, ¶meters, |
| 1903 | 485 &dataset, frame, startFragment, target->GetBuffer(), |
| 486 target->GetSize(), decompressedColorModel); | |
| 845 | 487 |
| 1903 | 488 if (c.good()) |
| 845 | 489 { |
| 1903 | 490 return target.release(); |
| 845 | 491 } |
| 1903 | 492 else |
| 493 { | |
| 494 LOG(ERROR) << "Cannot decode an image"; | |
| 495 throw OrthancException(ErrorCode_BadFileFormat); | |
| 496 } | |
| 845 | 497 } |
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498 |
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499 |
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500 ImageAccessor* DicomImageDecoder::Decode(ParsedDicomFile& dicom, |
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501 unsigned int frame) |
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502 { |
| 1904 | 503 DcmDataset& dataset = *dicom.GetDcmtkObject().getDataset(); |
| 504 E_TransferSyntax syntax = dataset.getOriginalXfer(); | |
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505 |
| 1903 | 506 /** |
| 507 * Deal with uncompressed, raw images. | |
| 508 * http://support.dcmtk.org/docs/dcxfer_8h-source.html | |
| 509 **/ | |
| 1904 | 510 if (syntax == EXS_Unknown || |
| 511 syntax == EXS_LittleEndianImplicit || | |
| 512 syntax == EXS_BigEndianImplicit || | |
| 513 syntax == EXS_LittleEndianExplicit || | |
| 514 syntax == EXS_BigEndianExplicit) | |
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515 { |
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516 return DecodeUncompressedImage(dataset, frame); |
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517 } |
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518 |
| 1904 | 519 |
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520 #if ORTHANC_JPEG_LOSSLESS_ENABLED == 1 |
| 1904 | 521 /** |
| 522 * Deal with JPEG-LS images. | |
| 523 **/ | |
| 524 | |
| 525 if (syntax == EXS_JPEGLSLossless || | |
| 526 syntax == EXS_JPEGLSLossy) | |
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527 { |
| 1904 | 528 DJLSCodecParameter parameters; |
| 529 std::auto_ptr<DJLSDecoderBase> decoder; | |
| 1903 | 530 |
| 1904 | 531 switch (syntax) |
| 532 { | |
| 533 case EXS_JPEGLSLossless: | |
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534 LOG(INFO) << "Decoding a JPEG-LS lossless DICOM image"; |
| 1904 | 535 decoder.reset(new DJLSLosslessDecoder); |
| 536 break; | |
| 537 | |
| 538 case EXS_JPEGLSLossy: | |
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539 LOG(INFO) << "Decoding a JPEG-LS near-lossless DICOM image"; |
| 1904 | 540 decoder.reset(new DJLSNearLosslessDecoder); |
| 541 break; | |
| 1903 | 542 |
| 1904 | 543 default: |
| 544 throw OrthancException(ErrorCode_InternalError); | |
| 545 } | |
| 546 | |
| 547 return ApplyCodec(*decoder, parameters, dataset, frame); | |
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548 } |
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549 #endif |
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550 |
| 852 | 551 |
| 552 #if ORTHANC_JPEG_ENABLED == 1 | |
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553 /** |
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554 * Deal with JPEG images. |
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555 **/ |
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556 |
|
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557 if (syntax == EXS_JPEGProcess1 || // DJDecoderBaseline |
|
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fix compilation against DCMTK 3.6.1
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558 syntax == EXS_JPEGProcess2_4 || // DJDecoderExtended |
|
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559 syntax == EXS_JPEGProcess6_8 || // DJDecoderSpectralSelection (retired) |
|
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fix compilation against DCMTK 3.6.1
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|
560 syntax == EXS_JPEGProcess10_12 || // DJDecoderProgressive (retired) |
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561 syntax == EXS_JPEGProcess14 || // DJDecoderLossless |
|
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fix compilation against DCMTK 3.6.1
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562 syntax == EXS_JPEGProcess14SV1) // DJDecoderP14SV1 |
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563 { |
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Huge speedup if decoding the family of JPEG transfer syntaxes
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564 // http://support.dcmtk.org/docs-snapshot/djutils_8h.html#a2a9695e5b6b0f5c45a64c7f072c1eb9d |
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Huge speedup if decoding the family of JPEG transfer syntaxes
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565 DJCodecParameter parameters( |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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566 ECC_lossyYCbCr, // Mode for color conversion for compression, Unused for decompression |
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567 EDC_photometricInterpretation, // Perform color space conversion from YCbCr to RGB if DICOM photometric interpretation indicates YCbCr |
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|
568 EUC_default, // Mode for UID creation, unused for decompression |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
569 EPC_default); // Automatically determine whether color-by-plane is required from the SOP Class UID and decompressed photometric interpretation |
|
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|
570 std::auto_ptr<DJCodecDecoder> decoder; |
|
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diff
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571 |
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
572 switch (syntax) |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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573 { |
|
1944
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|
574 case EXS_JPEGProcess1: |
|
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575 LOG(INFO) << "Decoding a JPEG baseline (process 1) DICOM image"; |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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576 decoder.reset(new DJDecoderBaseline); |
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577 break; |
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Huge speedup if decoding the family of JPEG transfer syntaxes
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578 |
|
1944
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579 case EXS_JPEGProcess2_4 : |
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580 LOG(INFO) << "Decoding a JPEG baseline (processes 2 and 4) DICOM image"; |
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581 decoder.reset(new DJDecoderExtended); |
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582 break; |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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583 |
|
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584 case EXS_JPEGProcess6_8: // Retired |
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|
585 LOG(INFO) << "Decoding a JPEG spectral section, nonhierarchical (processes 6 and 8) DICOM image"; |
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586 decoder.reset(new DJDecoderSpectralSelection); |
|
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|
587 break; |
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588 |
|
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589 case EXS_JPEGProcess10_12: // Retired |
|
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590 LOG(INFO) << "Decoding a JPEG full progression, nonhierarchical (processes 10 and 12) DICOM image"; |
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Huge speedup if decoding the family of JPEG transfer syntaxes
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591 decoder.reset(new DJDecoderProgressive); |
|
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592 break; |
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593 |
|
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fix compilation against DCMTK 3.6.1
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|
594 case EXS_JPEGProcess14: |
|
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|
595 LOG(INFO) << "Decoding a JPEG lossless, nonhierarchical (process 14) DICOM image"; |
|
8b1baa2315b8
Huge speedup if decoding the family of JPEG transfer syntaxes
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|
596 decoder.reset(new DJDecoderLossless); |
|
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597 break; |
|
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Sebastien Jodogne <s.jodogne@gmail.com>
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|
598 |
|
1944
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fix compilation against DCMTK 3.6.1
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|
599 case EXS_JPEGProcess14SV1: |
|
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|
600 LOG(INFO) << "Decoding a JPEG lossless, nonhierarchical, first-order prediction (process 14 selection value 1) DICOM image"; |
|
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601 decoder.reset(new DJDecoderP14SV1); |
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Huge speedup if decoding the family of JPEG transfer syntaxes
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602 break; |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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603 |
|
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|
604 default: |
|
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605 throw OrthancException(ErrorCode_InternalError); |
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|
606 } |
| 1904 | 607 |
|
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608 return ApplyCodec(*decoder, parameters, dataset, frame); |
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|
609 } |
| 852 | 610 #endif |
| 611 | |
| 1904 | 612 |
|
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613 if (syntax == EXS_RLELossless) |
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|
614 { |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
615 LOG(INFO) << "Decoding a RLE lossless DICOM image"; |
|
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|
616 DcmRLECodecParameter parameters; |
|
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|
617 DcmRLECodecDecoder decoder; |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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618 return ApplyCodec(decoder, parameters, dataset, frame); |
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|
619 } |
| 1904 | 620 |
| 621 | |
|
847
03ea55da7429
fully functional JPEG-LS conversion
Sebastien Jodogne <s.jodogne@gmail.com>
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|
622 /** |
|
03ea55da7429
fully functional JPEG-LS conversion
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|
623 * This DICOM image format is not natively supported by |
|
1905
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|
624 * Orthanc. As a last resort, try and decode it through DCMTK by |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
625 * converting its transfer syntax to Little Endian. This will |
|
8b1baa2315b8
Huge speedup if decoding the family of JPEG transfer syntaxes
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|
626 * result in higher memory consumption. This is actually the |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
627 * second example of the following page: |
|
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fully functional JPEG-LS conversion
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628 * http://support.dcmtk.org/docs/mod_dcmjpeg.html#Examples |
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|
629 **/ |
|
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fully functional JPEG-LS conversion
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|
630 |
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fully functional JPEG-LS conversion
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changeset
|
631 { |
|
1905
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|
632 LOG(INFO) << "Decoding a compressed image by converting its transfer syntax to Little Endian"; |
|
847
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fully functional JPEG-LS conversion
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changeset
|
633 |
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fully functional JPEG-LS conversion
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changeset
|
634 std::auto_ptr<DcmDataset> converted(dynamic_cast<DcmDataset*>(dataset.clone())); |
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635 converted->chooseRepresentation(EXS_LittleEndianExplicit, NULL); |
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fully functional JPEG-LS conversion
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|
636 |
|
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fully functional JPEG-LS conversion
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|
637 if (converted->canWriteXfer(EXS_LittleEndianExplicit)) |
|
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fully functional JPEG-LS conversion
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|
638 { |
| 1903 | 639 return DecodeUncompressedImage(*converted, frame); |
|
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fully functional JPEG-LS conversion
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640 } |
|
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fully functional JPEG-LS conversion
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changeset
|
641 } |
|
03ea55da7429
fully functional JPEG-LS conversion
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changeset
|
642 |
|
1902
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
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diff
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643 LOG(ERROR) << "Cannot decode a DICOM image with the built-in decoder"; |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
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diff
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|
644 throw OrthancException(ErrorCode_BadFileFormat); |
|
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|
645 } |
|
859
610a9a1ed855
ImageProcessing::Convert
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changeset
|
646 |
|
610a9a1ed855
ImageProcessing::Convert
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|
647 |
|
1015
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fix integration tests
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|
648 static bool IsColorImage(PixelFormat format) |
|
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649 { |
|
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|
650 return (format == PixelFormat_RGB24 || |
|
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651 format == PixelFormat_RGBA32); |
|
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|
652 } |
|
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|
653 |
|
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changeset
|
654 |
|
1826
ac5b0b4e2434
refactoring of DicomImageDecoder
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diff
changeset
|
655 bool DicomImageDecoder::TruncateDecodedImage(std::auto_ptr<ImageAccessor>& image, |
|
1824
b530c3dfe2a6
refactoring image decoding
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diff
changeset
|
656 PixelFormat format, |
|
b530c3dfe2a6
refactoring image decoding
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|
657 bool allowColorConversion) |
|
859
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ImageProcessing::Convert
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658 { |
|
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|
659 // If specified, prevent the conversion between color and |
|
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|
660 // grayscale images |
|
1826
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refactoring of DicomImageDecoder
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661 bool isSourceColor = IsColorImage(image->GetFormat()); |
|
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|
662 bool isTargetColor = IsColorImage(format); |
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|
663 |
|
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changeset
|
664 if (!allowColorConversion) |
|
f009f7c75069
fix integration tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
942
diff
changeset
|
665 { |
|
f009f7c75069
fix integration tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
942
diff
changeset
|
666 if (isSourceColor ^ isTargetColor) |
|
f009f7c75069
fix integration tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
942
diff
changeset
|
667 { |
|
f009f7c75069
fix integration tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
942
diff
changeset
|
668 return false; |
|
f009f7c75069
fix integration tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
942
diff
changeset
|
669 } |
|
f009f7c75069
fix integration tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
942
diff
changeset
|
670 } |
|
f009f7c75069
fix integration tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
942
diff
changeset
|
671 |
|
1826
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
672 if (image->GetFormat() != format) |
| 863 | 673 { |
|
1826
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
674 // A conversion is required |
| 2107 | 675 std::auto_ptr<ImageAccessor> target(new Image(format, image->GetWidth(), image->GetHeight(), false)); |
|
1826
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
676 ImageProcessing::Convert(*target, *image); |
|
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
677 image = target; |
| 863 | 678 } |
|
859
610a9a1ed855
ImageProcessing::Convert
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
858
diff
changeset
|
679 |
| 863 | 680 return true; |
| 681 } | |
| 682 | |
| 683 | |
|
1826
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
684 bool DicomImageDecoder::PreviewDecodedImage(std::auto_ptr<ImageAccessor>& image) |
| 863 | 685 { |
|
1826
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
686 switch (image->GetFormat()) |
| 861 | 687 { |
| 863 | 688 case PixelFormat_RGB24: |
|
859
610a9a1ed855
ImageProcessing::Convert
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
858
diff
changeset
|
689 { |
|
1826
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
690 // Directly return color images without modification (RGB) |
|
859
610a9a1ed855
ImageProcessing::Convert
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
858
diff
changeset
|
691 return true; |
|
610a9a1ed855
ImageProcessing::Convert
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
858
diff
changeset
|
692 } |
|
610a9a1ed855
ImageProcessing::Convert
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
858
diff
changeset
|
693 |
| 863 | 694 case PixelFormat_Grayscale8: |
| 695 case PixelFormat_Grayscale16: | |
| 696 case PixelFormat_SignedGrayscale16: | |
| 697 { | |
| 698 // Grayscale image: Stretch its dynamics to the [0,255] range | |
|
1826
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
699 int64_t a, b; |
|
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
700 ImageProcessing::GetMinMaxValue(a, b, *image); |
| 863 | 701 |
| 702 if (a == b) | |
| 703 { | |
|
1826
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
704 ImageProcessing::Set(*image, 0); |
| 863 | 705 } |
| 706 else | |
| 707 { | |
|
1826
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
708 ImageProcessing::ShiftScale(*image, static_cast<float>(-a), 255.0f / static_cast<float>(b - a)); |
|
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
709 } |
| 863 | 710 |
|
1826
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
711 // If the source image is not grayscale 8bpp, convert it |
|
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
712 if (image->GetFormat() != PixelFormat_Grayscale8) |
|
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
713 { |
| 2107 | 714 std::auto_ptr<ImageAccessor> target(new Image(PixelFormat_Grayscale8, image->GetWidth(), image->GetHeight(), false)); |
|
1826
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
715 ImageProcessing::Convert(*target, *image); |
|
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
716 image = target; |
| 863 | 717 } |
| 718 | |
| 719 return true; | |
| 720 } | |
| 721 | |
|
859
610a9a1ed855
ImageProcessing::Convert
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
858
diff
changeset
|
722 default: |
|
610a9a1ed855
ImageProcessing::Convert
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
858
diff
changeset
|
723 throw OrthancException(ErrorCode_NotImplemented); |
|
610a9a1ed855
ImageProcessing::Convert
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
858
diff
changeset
|
724 } |
|
610a9a1ed855
ImageProcessing::Convert
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
858
diff
changeset
|
725 } |
|
1902
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
726 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
727 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
728 void DicomImageDecoder::ApplyExtractionMode(std::auto_ptr<ImageAccessor>& image, |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
729 ImageExtractionMode mode) |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
730 { |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
731 if (image.get() == NULL) |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
732 { |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
733 throw OrthancException(ErrorCode_ParameterOutOfRange); |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
734 } |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
735 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
736 bool ok = false; |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
737 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
738 switch (mode) |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
739 { |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
740 case ImageExtractionMode_UInt8: |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
741 ok = TruncateDecodedImage(image, PixelFormat_Grayscale8, false); |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
742 break; |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
743 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
744 case ImageExtractionMode_UInt16: |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
745 ok = TruncateDecodedImage(image, PixelFormat_Grayscale16, false); |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
746 break; |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
747 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
748 case ImageExtractionMode_Int16: |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
749 ok = TruncateDecodedImage(image, PixelFormat_SignedGrayscale16, false); |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
750 break; |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
751 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
752 case ImageExtractionMode_Preview: |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
753 ok = PreviewDecodedImage(image); |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
754 break; |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
755 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
756 default: |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
757 throw OrthancException(ErrorCode_ParameterOutOfRange); |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
758 } |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
759 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
760 if (ok) |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
761 { |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
762 assert(image.get() != NULL); |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
763 } |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
764 else |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
765 { |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
766 throw OrthancException(ErrorCode_NotImplemented); |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
767 } |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
768 } |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
769 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
770 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
771 void DicomImageDecoder::ExtractPngImage(std::string& result, |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
772 std::auto_ptr<ImageAccessor>& image, |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
773 ImageExtractionMode mode) |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
774 { |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
775 ApplyExtractionMode(image, mode); |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
776 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
777 PngWriter writer; |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
778 writer.WriteToMemory(result, *image); |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
779 } |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
780 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
781 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
782 void DicomImageDecoder::ExtractJpegImage(std::string& result, |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
783 std::auto_ptr<ImageAccessor>& image, |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
784 ImageExtractionMode mode, |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
785 uint8_t quality) |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
786 { |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
787 if (mode != ImageExtractionMode_UInt8 && |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
788 mode != ImageExtractionMode_Preview) |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
789 { |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
790 throw OrthancException(ErrorCode_ParameterOutOfRange); |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
791 } |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
792 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
793 ApplyExtractionMode(image, mode); |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
794 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
795 JpegWriter writer; |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
796 writer.SetQuality(quality); |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
797 writer.WriteToMemory(result, *image); |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
798 } |
| 845 | 799 } |