Mercurial > hg > orthanc
annotate OrthancServer/Internals/DicomImageDecoder.cpp @ 2245:f8d4f151f660
osimis address
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Wed, 04 Jan 2017 13:00:01 +0100 |
| parents | a3a65de1840f |
| children | e002430baa41 |
| 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 |
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5 * Copyright (C) 2017 Osimis, Belgium |
| 845 | 6 * |
| 7 * This program is free software: you can redistribute it and/or | |
| 8 * modify it under the terms of the GNU General Public License as | |
| 9 * published by the Free Software Foundation, either version 3 of the | |
| 10 * License, or (at your option) any later version. | |
| 11 * | |
| 12 * In addition, as a special exception, the copyright holders of this | |
| 13 * program give permission to link the code of its release with the | |
| 14 * OpenSSL project's "OpenSSL" library (or with modified versions of it | |
| 15 * that use the same license as the "OpenSSL" library), and distribute | |
| 16 * the linked executables. You must obey the GNU General Public License | |
| 17 * in all respects for all of the code used other than "OpenSSL". If you | |
| 18 * modify file(s) with this exception, you may extend this exception to | |
| 19 * your version of the file(s), but you are not obligated to do so. If | |
| 20 * you do not wish to do so, delete this exception statement from your | |
| 21 * version. If you delete this exception statement from all source files | |
| 22 * in the program, then also delete it here. | |
| 23 * | |
| 24 * This program is distributed in the hope that it will be useful, but | |
| 25 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 27 * General Public License for more details. | |
| 28 * | |
| 29 * You should have received a copy of the GNU General Public License | |
| 30 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
| 31 **/ | |
| 32 | |
| 33 | |
| 34 #include "../PrecompiledHeadersServer.h" | |
| 35 #include "DicomImageDecoder.h" | |
| 36 | |
| 846 | 37 |
| 38 /*========================================================================= | |
| 39 | |
| 40 This file is based on portions of the following project | |
| 41 (cf. function "DecodePsmctRle1()"): | |
| 42 | |
| 43 Program: GDCM (Grassroots DICOM). A DICOM library | |
| 44 Module: http://gdcm.sourceforge.net/Copyright.html | |
| 45 | |
| 863 | 46 Copyright (c) 2006-2011 Mathieu Malaterre |
| 47 Copyright (c) 1993-2005 CREATIS | |
| 48 (CREATIS = Centre de Recherche et d'Applications en Traitement de l'Image) | |
| 49 All rights reserved. | |
| 846 | 50 |
| 863 | 51 Redistribution and use in source and binary forms, with or without |
| 52 modification, are permitted provided that the following conditions are met: | |
| 846 | 53 |
| 863 | 54 * Redistributions of source code must retain the above copyright notice, |
| 55 this list of conditions and the following disclaimer. | |
| 846 | 56 |
| 863 | 57 * Redistributions in binary form must reproduce the above copyright notice, |
| 58 this list of conditions and the following disclaimer in the documentation | |
| 59 and/or other materials provided with the distribution. | |
| 846 | 60 |
| 863 | 61 * Neither name of Mathieu Malaterre, or CREATIS, nor the names of any |
| 62 contributors (CNRS, INSERM, UCB, Universite Lyon I), may be used to | |
| 63 endorse or promote products derived from this software without specific | |
| 64 prior written permission. | |
| 846 | 65 |
| 863 | 66 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS'' |
| 67 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 68 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 69 ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE FOR | |
| 70 ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 71 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR | |
| 72 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER | |
| 73 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
| 74 OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 75 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 846 | 76 |
| 863 | 77 =========================================================================*/ |
| 846 | 78 |
| 79 | |
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80 #include "../../Core/Logging.h" |
| 845 | 81 #include "../../Core/OrthancException.h" |
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82 #include "../../Core/Images/Image.h" |
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83 #include "../../Core/Images/ImageProcessing.h" |
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84 #include "../../Core/Images/PngWriter.h" |
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85 #include "../../Core/Images/JpegWriter.h" |
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86 #include "../../Core/DicomFormat/DicomIntegerPixelAccessor.h" |
| 845 | 87 #include "../ToDcmtkBridge.h" |
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88 #include "../FromDcmtkBridge.h" |
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89 #include "../ParsedDicomFile.h" |
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90 #include "../OrthancInitialization.h" |
| 845 | 91 |
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92 #include <boost/lexical_cast.hpp> |
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93 |
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94 #include <dcmtk/dcmdata/dcfilefo.h> |
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95 #include <dcmtk/dcmdata/dcrleccd.h> |
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96 #include <dcmtk/dcmdata/dcrlecp.h> |
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97 |
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98 #if ORTHANC_ENABLE_JPEG_LOSSLESS == 1 |
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99 # include <dcmtk/dcmjpls/djcodecd.h> |
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100 # include <dcmtk/dcmjpls/djcparam.h> |
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101 # include <dcmtk/dcmjpeg/djrplol.h> |
| 845 | 102 #endif |
| 103 | |
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104 #if ORTHANC_ENABLE_JPEG == 1 |
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105 # include <dcmtk/dcmjpeg/djcodecd.h> |
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106 # include <dcmtk/dcmjpeg/djcparam.h> |
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107 # include <dcmtk/dcmjpeg/djdecbas.h> |
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108 # include <dcmtk/dcmjpeg/djdecext.h> |
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109 # include <dcmtk/dcmjpeg/djdeclol.h> |
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110 # include <dcmtk/dcmjpeg/djdecpro.h> |
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111 # include <dcmtk/dcmjpeg/djdecsps.h> |
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112 # include <dcmtk/dcmjpeg/djdecsv1.h> |
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113 #endif |
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114 |
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115 #if DCMTK_VERSION_NUMBER <= 360 |
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116 # define EXS_JPEGProcess1 EXS_JPEGProcess1TransferSyntax |
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117 # define EXS_JPEGProcess2_4 EXS_JPEGProcess2_4TransferSyntax |
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118 # define EXS_JPEGProcess6_8 EXS_JPEGProcess6_8TransferSyntax |
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119 # define EXS_JPEGProcess10_12 EXS_JPEGProcess10_12TransferSyntax |
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120 # define EXS_JPEGProcess14 EXS_JPEGProcess14TransferSyntax |
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121 # define EXS_JPEGProcess14SV1 EXS_JPEGProcess14SV1TransferSyntax |
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122 #endif |
| 845 | 123 |
| 124 namespace Orthanc | |
| 125 { | |
| 846 | 126 static const DicomTag DICOM_TAG_CONTENT(0x07a1, 0x100a); |
| 127 static const DicomTag DICOM_TAG_COMPRESSION_TYPE(0x07a1, 0x1011); | |
| 128 | |
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129 |
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130 bool DicomImageDecoder::IsPsmctRle1(DcmDataset& dataset) |
| 846 | 131 { |
| 132 DcmElement* e; | |
| 133 char* c; | |
| 134 | |
| 135 // Check whether the DICOM instance contains an image encoded with | |
| 136 // the PMSCT_RLE1 scheme. | |
| 137 if (!dataset.findAndGetElement(ToDcmtkBridge::Convert(DICOM_TAG_COMPRESSION_TYPE), e).good() || | |
| 138 e == NULL || | |
| 139 !e->isaString() || | |
| 140 !e->getString(c).good() || | |
| 141 c == NULL || | |
| 142 strcmp("PMSCT_RLE1", c)) | |
| 143 { | |
| 144 return false; | |
| 145 } | |
| 146 else | |
| 147 { | |
| 148 return true; | |
| 149 } | |
| 150 } | |
| 151 | |
| 152 | |
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153 bool DicomImageDecoder::DecodePsmctRle1(std::string& output, |
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154 DcmDataset& dataset) |
| 846 | 155 { |
| 156 // Check whether the DICOM instance contains an image encoded with | |
| 157 // the PMSCT_RLE1 scheme. | |
| 158 if (!IsPsmctRle1(dataset)) | |
| 159 { | |
| 160 return false; | |
| 161 } | |
| 162 | |
| 163 // OK, this is a custom RLE encoding from Philips. Get the pixel | |
| 164 // data from the appropriate private DICOM tag. | |
| 165 Uint8* pixData = NULL; | |
| 166 DcmElement* e; | |
| 167 if (!dataset.findAndGetElement(ToDcmtkBridge::Convert(DICOM_TAG_CONTENT), e).good() || | |
| 168 e == NULL || | |
| 169 e->getUint8Array(pixData) != EC_Normal) | |
| 170 { | |
| 171 return false; | |
| 172 } | |
| 173 | |
| 174 // The "unsigned" below IS VERY IMPORTANT | |
| 175 const uint8_t* inbuffer = reinterpret_cast<const uint8_t*>(pixData); | |
| 176 const size_t length = e->getLength(); | |
| 177 | |
| 178 /** | |
| 179 * The code below is an adaptation of a sample code for GDCM by | |
| 180 * Mathieu Malaterre (under a BSD license). | |
| 181 * http://gdcm.sourceforge.net/html/rle2img_8cxx-example.html | |
| 182 **/ | |
| 183 | |
| 184 // RLE pass | |
| 185 std::vector<uint8_t> temp; | |
| 186 temp.reserve(length); | |
| 187 for (size_t i = 0; i < length; i++) | |
| 188 { | |
| 189 if (inbuffer[i] == 0xa5) | |
| 190 { | |
| 191 temp.push_back(inbuffer[i+2]); | |
| 192 for (uint8_t repeat = inbuffer[i + 1]; repeat != 0; repeat--) | |
| 193 { | |
| 194 temp.push_back(inbuffer[i+2]); | |
| 195 } | |
| 196 i += 2; | |
| 197 } | |
| 198 else | |
| 199 { | |
| 200 temp.push_back(inbuffer[i]); | |
| 201 } | |
| 202 } | |
| 203 | |
| 204 // Delta encoding pass | |
| 205 uint16_t delta = 0; | |
| 206 output.clear(); | |
| 207 output.reserve(temp.size()); | |
| 208 for (size_t i = 0; i < temp.size(); i++) | |
| 209 { | |
| 210 uint16_t value; | |
| 211 | |
| 212 if (temp[i] == 0x5a) | |
| 213 { | |
| 214 uint16_t v1 = temp[i + 1]; | |
| 215 uint16_t v2 = temp[i + 2]; | |
| 216 value = (v2 << 8) + v1; | |
| 217 i += 2; | |
| 218 } | |
| 219 else | |
| 220 { | |
| 221 value = delta + (int8_t) temp[i]; | |
| 222 } | |
| 223 | |
| 224 output.push_back(value & 0xff); | |
| 225 output.push_back(value >> 8); | |
| 226 delta = value; | |
| 227 } | |
| 228 | |
| 229 if (output.size() % 2) | |
| 230 { | |
| 231 output.resize(output.size() - 1); | |
| 232 } | |
| 233 | |
| 234 return true; | |
| 235 } | |
| 236 | |
| 237 | |
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238 class DicomImageDecoder::ImageSource |
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239 { |
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240 private: |
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241 std::string psmct_; |
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242 std::auto_ptr<DicomIntegerPixelAccessor> slowAccessor_; |
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243 |
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244 public: |
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245 void Setup(DcmDataset& dataset, |
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246 unsigned int frame) |
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247 { |
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248 psmct_.clear(); |
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249 slowAccessor_.reset(NULL); |
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250 |
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251 // See also: http://support.dcmtk.org/wiki/dcmtk/howto/accessing-compressed-data |
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252 |
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253 DicomMap m; |
| 2131 | 254 Configuration::ExtractDicomSummary(m, dataset); |
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255 |
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256 /** |
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257 * Create an accessor to the raw values of the DICOM image. |
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258 **/ |
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259 |
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260 DcmElement* e; |
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261 if (dataset.findAndGetElement(ToDcmtkBridge::Convert(DICOM_TAG_PIXEL_DATA), e).good() && |
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262 e != NULL) |
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263 { |
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264 Uint8* pixData = NULL; |
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265 if (e->getUint8Array(pixData) == EC_Normal) |
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266 { |
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267 slowAccessor_.reset(new DicomIntegerPixelAccessor(m, pixData, e->getLength())); |
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268 } |
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269 } |
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270 else if (DecodePsmctRle1(psmct_, dataset)) |
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271 { |
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272 LOG(INFO) << "The PMSCT_RLE1 decoding has succeeded"; |
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273 Uint8* pixData = NULL; |
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274 if (psmct_.size() > 0) |
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275 { |
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276 pixData = reinterpret_cast<Uint8*>(&psmct_[0]); |
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277 } |
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278 |
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279 slowAccessor_.reset(new DicomIntegerPixelAccessor(m, pixData, psmct_.size())); |
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280 } |
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281 |
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282 if (slowAccessor_.get() == NULL) |
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283 { |
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284 throw OrthancException(ErrorCode_BadFileFormat); |
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285 } |
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286 |
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287 slowAccessor_->SetCurrentFrame(frame); |
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288 } |
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289 |
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290 unsigned int GetWidth() const |
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291 { |
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292 assert(slowAccessor_.get() != NULL); |
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293 return slowAccessor_->GetInformation().GetWidth(); |
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294 } |
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295 |
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296 unsigned int GetHeight() const |
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297 { |
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298 assert(slowAccessor_.get() != NULL); |
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299 return slowAccessor_->GetInformation().GetHeight(); |
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300 } |
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301 |
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302 unsigned int GetChannelCount() const |
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303 { |
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304 assert(slowAccessor_.get() != NULL); |
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305 return slowAccessor_->GetInformation().GetChannelCount(); |
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306 } |
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307 |
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308 const DicomIntegerPixelAccessor& GetAccessor() const |
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309 { |
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310 assert(slowAccessor_.get() != NULL); |
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311 return *slowAccessor_; |
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312 } |
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313 |
| 1190 | 314 unsigned int GetSize() const |
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315 { |
| 1190 | 316 assert(slowAccessor_.get() != NULL); |
| 317 return slowAccessor_->GetSize(); | |
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318 } |
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319 }; |
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320 |
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321 |
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322 ImageAccessor* DicomImageDecoder::CreateImage(DcmDataset& dataset, |
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323 bool ignorePhotometricInterpretation) |
| 845 | 324 { |
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325 DicomMap m; |
| 2131 | 326 Configuration::ExtractDicomSummary(m, dataset); |
| 845 | 327 |
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328 DicomImageInformation info(m); |
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329 PixelFormat format; |
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330 |
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331 if (!info.ExtractPixelFormat(format, ignorePhotometricInterpretation)) |
| 845 | 332 { |
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333 LOG(WARNING) << "Unsupported DICOM image: " << info.GetBitsStored() |
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334 << "bpp, " << info.GetChannelCount() << " channels, " |
| 860 | 335 << (info.IsSigned() ? "signed" : "unsigned") |
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336 << (info.IsPlanar() ? ", planar, " : ", non-planar, ") |
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337 << EnumerationToString(info.GetPhotometricInterpretation()) |
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338 << " photometric interpretation"; |
| 845 | 339 throw OrthancException(ErrorCode_NotImplemented); |
| 340 } | |
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341 |
| 2107 | 342 return new Image(format, info.GetWidth(), info.GetHeight(), false); |
| 845 | 343 } |
| 344 | |
| 345 | |
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346 template <typename PixelType> |
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347 static void CopyPixels(ImageAccessor& target, |
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348 const DicomIntegerPixelAccessor& source) |
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349 { |
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350 const PixelType minValue = std::numeric_limits<PixelType>::min(); |
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351 const PixelType maxValue = std::numeric_limits<PixelType>::max(); |
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352 |
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353 for (unsigned int y = 0; y < source.GetInformation().GetHeight(); y++) |
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354 { |
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355 PixelType* pixel = reinterpret_cast<PixelType*>(target.GetRow(y)); |
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356 for (unsigned int x = 0; x < source.GetInformation().GetWidth(); x++) |
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357 { |
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358 for (unsigned int c = 0; c < source.GetInformation().GetChannelCount(); c++, pixel++) |
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359 { |
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360 int32_t v = source.GetValue(x, y, c); |
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361 if (v < static_cast<int32_t>(minValue)) |
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362 { |
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363 *pixel = minValue; |
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364 } |
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365 else if (v > static_cast<int32_t>(maxValue)) |
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366 { |
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367 *pixel = maxValue; |
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368 } |
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369 else |
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370 { |
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371 *pixel = static_cast<PixelType>(v); |
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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 |
|
1826
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379 ImageAccessor* DicomImageDecoder::DecodeUncompressedImage(DcmDataset& dataset, |
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380 unsigned int frame) |
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381 { |
| 852 | 382 ImageSource source; |
| 383 source.Setup(dataset, frame); | |
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384 |
|
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385 |
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386 /** |
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387 * Resize the target image. |
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388 **/ |
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389 |
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390 std::auto_ptr<ImageAccessor> target(CreateImage(dataset, false)); |
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391 |
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392 if (source.GetWidth() != target->GetWidth() || |
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393 source.GetHeight() != target->GetHeight()) |
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394 { |
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395 throw OrthancException(ErrorCode_InternalError); |
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396 } |
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397 |
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398 |
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399 /** |
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400 * If the format of the DICOM buffer is natively supported, use a |
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401 * direct access to copy its values. |
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402 **/ |
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403 |
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404 const DicomImageInformation& info = source.GetAccessor().GetInformation(); |
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405 |
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406 bool fastVersionSuccess = false; |
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407 PixelFormat sourceFormat; |
| 863 | 408 if (!info.IsPlanar() && |
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409 info.ExtractPixelFormat(sourceFormat, false)) |
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410 { |
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411 try |
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412 { |
| 1190 | 413 size_t frameSize = info.GetHeight() * info.GetWidth() * GetBytesPerPixel(sourceFormat); |
| 414 if ((frame + 1) * frameSize <= source.GetSize()) | |
| 415 { | |
| 416 const uint8_t* buffer = reinterpret_cast<const uint8_t*>(source.GetAccessor().GetPixelData()); | |
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417 |
| 1190 | 418 ImageAccessor sourceImage; |
| 419 sourceImage.AssignReadOnly(sourceFormat, | |
| 420 info.GetWidth(), | |
| 421 info.GetHeight(), | |
| 422 info.GetWidth() * GetBytesPerPixel(sourceFormat), | |
| 423 buffer + frame * frameSize); | |
| 424 | |
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425 ImageProcessing::Convert(*target, sourceImage); |
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426 ImageProcessing::ShiftRight(*target, info.GetShift()); |
| 1190 | 427 fastVersionSuccess = true; |
| 428 } | |
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429 } |
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430 catch (OrthancException&) |
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431 { |
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432 // Unsupported conversion, use the slow version |
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433 } |
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434 } |
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435 |
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436 /** |
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437 * Slow version : loop over the DICOM buffer, storing its value |
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438 * into the target image. |
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439 **/ |
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440 |
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441 if (!fastVersionSuccess) |
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442 { |
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443 switch (target->GetFormat()) |
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444 { |
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445 case PixelFormat_RGB24: |
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446 case PixelFormat_RGBA32: |
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447 case PixelFormat_Grayscale8: |
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448 CopyPixels<uint8_t>(*target, source.GetAccessor()); |
| 863 | 449 break; |
| 860 | 450 |
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451 case PixelFormat_Grayscale16: |
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452 CopyPixels<uint16_t>(*target, source.GetAccessor()); |
| 863 | 453 break; |
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454 |
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455 case PixelFormat_SignedGrayscale16: |
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456 CopyPixels<int16_t>(*target, source.GetAccessor()); |
| 863 | 457 break; |
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458 |
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459 default: |
| 863 | 460 throw OrthancException(ErrorCode_InternalError); |
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461 } |
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462 } |
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463 |
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464 return target.release(); |
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465 } |
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466 |
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467 |
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468 ImageAccessor* DicomImageDecoder::ApplyCodec(const DcmCodec& codec, |
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469 const DcmCodecParameter& parameters, |
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470 DcmDataset& dataset, |
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471 unsigned int frame) |
| 1903 | 472 { |
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473 DcmPixelSequence* pixelSequence = FromDcmtkBridge::GetPixelSequence(dataset); |
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474 if (pixelSequence == NULL) |
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475 { |
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476 throw OrthancException(ErrorCode_BadFileFormat); |
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477 } |
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478 |
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479 std::auto_ptr<ImageAccessor> target(CreateImage(dataset, true)); |
| 845 | 480 |
| 481 Uint32 startFragment = 0; // Default | |
| 482 OFString decompressedColorModel; // Out | |
| 483 DJ_RPLossless representationParameter; | |
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484 OFCondition c = codec.decodeFrame(&representationParameter, |
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485 pixelSequence, ¶meters, |
| 1903 | 486 &dataset, frame, startFragment, target->GetBuffer(), |
| 487 target->GetSize(), decompressedColorModel); | |
| 845 | 488 |
| 1903 | 489 if (c.good()) |
| 845 | 490 { |
| 1903 | 491 return target.release(); |
| 845 | 492 } |
| 1903 | 493 else |
| 494 { | |
| 495 LOG(ERROR) << "Cannot decode an image"; | |
| 496 throw OrthancException(ErrorCode_BadFileFormat); | |
| 497 } | |
| 845 | 498 } |
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499 |
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500 |
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501 ImageAccessor* DicomImageDecoder::Decode(ParsedDicomFile& dicom, |
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502 unsigned int frame) |
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503 { |
| 1904 | 504 DcmDataset& dataset = *dicom.GetDcmtkObject().getDataset(); |
| 505 E_TransferSyntax syntax = dataset.getOriginalXfer(); | |
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506 |
| 1903 | 507 /** |
| 508 * Deal with uncompressed, raw images. | |
| 509 * http://support.dcmtk.org/docs/dcxfer_8h-source.html | |
| 510 **/ | |
| 1904 | 511 if (syntax == EXS_Unknown || |
| 512 syntax == EXS_LittleEndianImplicit || | |
| 513 syntax == EXS_BigEndianImplicit || | |
| 514 syntax == EXS_LittleEndianExplicit || | |
| 515 syntax == EXS_BigEndianExplicit) | |
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516 { |
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517 return DecodeUncompressedImage(dataset, frame); |
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518 } |
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519 |
| 1904 | 520 |
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521 #if ORTHANC_ENABLE_JPEG_LOSSLESS == 1 |
| 1904 | 522 /** |
| 523 * Deal with JPEG-LS images. | |
| 524 **/ | |
| 525 | |
| 526 if (syntax == EXS_JPEGLSLossless || | |
| 527 syntax == EXS_JPEGLSLossy) | |
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528 { |
| 1904 | 529 DJLSCodecParameter parameters; |
| 530 std::auto_ptr<DJLSDecoderBase> decoder; | |
| 1903 | 531 |
| 1904 | 532 switch (syntax) |
| 533 { | |
| 534 case EXS_JPEGLSLossless: | |
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535 LOG(INFO) << "Decoding a JPEG-LS lossless DICOM image"; |
| 1904 | 536 decoder.reset(new DJLSLosslessDecoder); |
| 537 break; | |
| 538 | |
| 539 case EXS_JPEGLSLossy: | |
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540 LOG(INFO) << "Decoding a JPEG-LS near-lossless DICOM image"; |
| 1904 | 541 decoder.reset(new DJLSNearLosslessDecoder); |
| 542 break; | |
| 1903 | 543 |
| 1904 | 544 default: |
| 545 throw OrthancException(ErrorCode_InternalError); | |
| 546 } | |
| 547 | |
| 548 return ApplyCodec(*decoder, parameters, dataset, frame); | |
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549 } |
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550 #endif |
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551 |
| 852 | 552 |
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553 #if ORTHANC_ENABLE_JPEG == 1 |
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554 /** |
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555 * Deal with JPEG images. |
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556 **/ |
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|
557 |
|
1944
1a5e070a21c3
fix compilation against DCMTK 3.6.1
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|
558 if (syntax == EXS_JPEGProcess1 || // DJDecoderBaseline |
|
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fix compilation against DCMTK 3.6.1
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1929
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559 syntax == EXS_JPEGProcess2_4 || // DJDecoderExtended |
|
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fix compilation against DCMTK 3.6.1
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560 syntax == EXS_JPEGProcess6_8 || // DJDecoderSpectralSelection (retired) |
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561 syntax == EXS_JPEGProcess10_12 || // DJDecoderProgressive (retired) |
|
1a5e070a21c3
fix compilation against DCMTK 3.6.1
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|
562 syntax == EXS_JPEGProcess14 || // DJDecoderLossless |
|
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fix compilation against DCMTK 3.6.1
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|
563 syntax == EXS_JPEGProcess14SV1) // DJDecoderP14SV1 |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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564 { |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
565 // 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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|
566 DJCodecParameter parameters( |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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567 ECC_lossyYCbCr, // Mode for color conversion for compression, Unused for decompression |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
568 EDC_photometricInterpretation, // Perform color space conversion from YCbCr to RGB if DICOM photometric interpretation indicates YCbCr |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
569 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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570 EPC_default); // Automatically determine whether color-by-plane is required from the SOP Class UID and decompressed photometric interpretation |
|
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571 std::auto_ptr<DJCodecDecoder> decoder; |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
572 |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
573 switch (syntax) |
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
574 { |
|
1944
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fix compilation against DCMTK 3.6.1
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|
575 case EXS_JPEGProcess1: |
|
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576 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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577 decoder.reset(new DJDecoderBaseline); |
|
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|
578 break; |
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Huge speedup if decoding the family of JPEG transfer syntaxes
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579 |
|
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|
580 case EXS_JPEGProcess2_4 : |
|
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581 LOG(INFO) << "Decoding a JPEG baseline (processes 2 and 4) DICOM image"; |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
582 decoder.reset(new DJDecoderExtended); |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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parents:
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583 break; |
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Huge speedup if decoding the family of JPEG transfer syntaxes
Sebastien Jodogne <s.jodogne@gmail.com>
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584 |
|
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fix compilation against DCMTK 3.6.1
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|
585 case EXS_JPEGProcess6_8: // Retired |
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586 LOG(INFO) << "Decoding a JPEG spectral section, nonhierarchical (processes 6 and 8) DICOM image"; |
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
587 decoder.reset(new DJDecoderSpectralSelection); |
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Huge speedup if decoding the family of JPEG transfer syntaxes
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588 break; |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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589 |
|
1944
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changeset
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590 case EXS_JPEGProcess10_12: // Retired |
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591 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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592 decoder.reset(new DJDecoderProgressive); |
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
593 break; |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
594 |
|
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fix compilation against DCMTK 3.6.1
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|
595 case EXS_JPEGProcess14: |
|
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|
596 LOG(INFO) << "Decoding a JPEG lossless, nonhierarchical (process 14) DICOM image"; |
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
597 decoder.reset(new DJDecoderLossless); |
|
8b1baa2315b8
Huge speedup if decoding the family of JPEG transfer syntaxes
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598 break; |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
599 |
|
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|
600 case EXS_JPEGProcess14SV1: |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
601 LOG(INFO) << "Decoding a JPEG lossless, nonhierarchical, first-order prediction (process 14 selection value 1) DICOM image"; |
|
8b1baa2315b8
Huge speedup if decoding the family of JPEG transfer syntaxes
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|
602 decoder.reset(new DJDecoderP14SV1); |
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Huge speedup if decoding the family of JPEG transfer syntaxes
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603 break; |
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Huge speedup if decoding the family of JPEG transfer syntaxes
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604 |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
605 default: |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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606 throw OrthancException(ErrorCode_InternalError); |
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
607 } |
| 1904 | 608 |
|
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609 return ApplyCodec(*decoder, parameters, dataset, frame); |
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610 } |
| 852 | 611 #endif |
| 612 | |
| 1904 | 613 |
|
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614 if (syntax == EXS_RLELossless) |
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|
615 { |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
616 LOG(INFO) << "Decoding a RLE lossless DICOM image"; |
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
617 DcmRLECodecParameter parameters; |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
618 DcmRLECodecDecoder decoder; |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
619 return ApplyCodec(decoder, parameters, dataset, frame); |
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
620 } |
| 1904 | 621 |
| 622 | |
|
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fully functional JPEG-LS conversion
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|
623 /** |
|
03ea55da7429
fully functional JPEG-LS conversion
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|
624 * This DICOM image format is not natively supported by |
|
1905
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
625 * Orthanc. As a last resort, try and decode it through DCMTK by |
|
8b1baa2315b8
Huge speedup if decoding the family of JPEG transfer syntaxes
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|
626 * converting its transfer syntax to Little Endian. This will |
|
8b1baa2315b8
Huge speedup if decoding the family of JPEG transfer syntaxes
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|
627 * 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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|
628 * second example of the following page: |
|
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fully functional JPEG-LS conversion
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629 * http://support.dcmtk.org/docs/mod_dcmjpeg.html#Examples |
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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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|
631 |
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fully functional JPEG-LS conversion
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changeset
|
632 { |
|
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Huge speedup if decoding the family of JPEG transfer syntaxes
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|
633 LOG(INFO) << "Decoding a compressed image by converting its transfer syntax to Little Endian"; |
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fully functional JPEG-LS conversion
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changeset
|
634 |
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fully functional JPEG-LS conversion
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changeset
|
635 std::auto_ptr<DcmDataset> converted(dynamic_cast<DcmDataset*>(dataset.clone())); |
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fully functional JPEG-LS conversion
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636 converted->chooseRepresentation(EXS_LittleEndianExplicit, NULL); |
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|
637 |
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fully functional JPEG-LS conversion
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638 if (converted->canWriteXfer(EXS_LittleEndianExplicit)) |
|
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fully functional JPEG-LS conversion
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639 { |
| 1903 | 640 return DecodeUncompressedImage(*converted, frame); |
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fully functional JPEG-LS conversion
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641 } |
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fully functional JPEG-LS conversion
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changeset
|
642 } |
|
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fully functional JPEG-LS conversion
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|
643 |
|
1902
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
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diff
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|
644 LOG(ERROR) << "Cannot decode a DICOM image with the built-in decoder"; |
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Refactoring leading to speedups with custom image decoders
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diff
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|
645 throw OrthancException(ErrorCode_BadFileFormat); |
|
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646 } |
|
859
610a9a1ed855
ImageProcessing::Convert
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|
647 |
|
610a9a1ed855
ImageProcessing::Convert
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648 |
|
1015
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fix integration tests
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|
649 static bool IsColorImage(PixelFormat format) |
|
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fix integration tests
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650 { |
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|
651 return (format == PixelFormat_RGB24 || |
|
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|
652 format == PixelFormat_RGBA32); |
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|
653 } |
|
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changeset
|
654 |
|
f009f7c75069
fix integration tests
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changeset
|
655 |
|
1826
ac5b0b4e2434
refactoring of DicomImageDecoder
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diff
changeset
|
656 bool DicomImageDecoder::TruncateDecodedImage(std::auto_ptr<ImageAccessor>& image, |
|
1824
b530c3dfe2a6
refactoring image decoding
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diff
changeset
|
657 PixelFormat format, |
|
b530c3dfe2a6
refactoring image decoding
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|
658 bool allowColorConversion) |
|
859
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ImageProcessing::Convert
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659 { |
|
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|
660 // If specified, prevent the conversion between color and |
|
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|
661 // grayscale images |
|
1826
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refactoring of DicomImageDecoder
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662 bool isSourceColor = IsColorImage(image->GetFormat()); |
|
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|
663 bool isTargetColor = IsColorImage(format); |
|
f009f7c75069
fix integration tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
942
diff
changeset
|
664 |
|
f009f7c75069
fix integration tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
942
diff
changeset
|
665 if (!allowColorConversion) |
|
f009f7c75069
fix integration tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
942
diff
changeset
|
666 { |
|
f009f7c75069
fix integration tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
942
diff
changeset
|
667 if (isSourceColor ^ isTargetColor) |
|
f009f7c75069
fix integration tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
942
diff
changeset
|
668 { |
|
f009f7c75069
fix integration tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
942
diff
changeset
|
669 return false; |
|
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 } |
|
f009f7c75069
fix integration tests
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
942
diff
changeset
|
672 |
|
1826
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
673 if (image->GetFormat() != format) |
| 863 | 674 { |
|
1826
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
675 // A conversion is required |
| 2107 | 676 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
|
677 ImageProcessing::Convert(*target, *image); |
|
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
678 image = target; |
| 863 | 679 } |
|
859
610a9a1ed855
ImageProcessing::Convert
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
858
diff
changeset
|
680 |
| 863 | 681 return true; |
| 682 } | |
| 683 | |
| 684 | |
|
1826
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
685 bool DicomImageDecoder::PreviewDecodedImage(std::auto_ptr<ImageAccessor>& image) |
| 863 | 686 { |
|
1826
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
687 switch (image->GetFormat()) |
| 861 | 688 { |
| 863 | 689 case PixelFormat_RGB24: |
|
859
610a9a1ed855
ImageProcessing::Convert
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
858
diff
changeset
|
690 { |
|
1826
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
691 // Directly return color images without modification (RGB) |
|
859
610a9a1ed855
ImageProcessing::Convert
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
858
diff
changeset
|
692 return true; |
|
610a9a1ed855
ImageProcessing::Convert
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
858
diff
changeset
|
693 } |
|
610a9a1ed855
ImageProcessing::Convert
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
858
diff
changeset
|
694 |
| 863 | 695 case PixelFormat_Grayscale8: |
| 696 case PixelFormat_Grayscale16: | |
| 697 case PixelFormat_SignedGrayscale16: | |
| 698 { | |
| 699 // 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
|
700 int64_t a, b; |
|
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
701 ImageProcessing::GetMinMaxValue(a, b, *image); |
| 863 | 702 |
| 703 if (a == b) | |
| 704 { | |
|
1826
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
705 ImageProcessing::Set(*image, 0); |
| 863 | 706 } |
| 707 else | |
| 708 { | |
|
1826
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
709 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
|
710 } |
| 863 | 711 |
|
1826
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
712 // If the source image is not grayscale 8bpp, convert it |
|
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
713 if (image->GetFormat() != PixelFormat_Grayscale8) |
|
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
714 { |
| 2107 | 715 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
|
716 ImageProcessing::Convert(*target, *image); |
|
ac5b0b4e2434
refactoring of DicomImageDecoder
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1824
diff
changeset
|
717 image = target; |
| 863 | 718 } |
| 719 | |
| 720 return true; | |
| 721 } | |
| 722 | |
|
859
610a9a1ed855
ImageProcessing::Convert
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
858
diff
changeset
|
723 default: |
|
610a9a1ed855
ImageProcessing::Convert
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
858
diff
changeset
|
724 throw OrthancException(ErrorCode_NotImplemented); |
|
610a9a1ed855
ImageProcessing::Convert
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
858
diff
changeset
|
725 } |
|
610a9a1ed855
ImageProcessing::Convert
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
858
diff
changeset
|
726 } |
|
1902
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 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
729 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
|
730 ImageExtractionMode mode) |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
731 { |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
732 if (image.get() == NULL) |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
733 { |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
734 throw OrthancException(ErrorCode_ParameterOutOfRange); |
|
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 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
737 bool ok = false; |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
738 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
739 switch (mode) |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
740 { |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
741 case ImageExtractionMode_UInt8: |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
742 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
|
743 break; |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
744 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
745 case ImageExtractionMode_UInt16: |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
746 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
|
747 break; |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
748 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
749 case ImageExtractionMode_Int16: |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
750 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
|
751 break; |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
752 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
753 case ImageExtractionMode_Preview: |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
754 ok = PreviewDecodedImage(image); |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
755 break; |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
756 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
757 default: |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
758 throw OrthancException(ErrorCode_ParameterOutOfRange); |
|
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 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
761 if (ok) |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
762 { |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
763 assert(image.get() != NULL); |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
764 } |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
765 else |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
766 { |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
767 throw OrthancException(ErrorCode_NotImplemented); |
|
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 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
772 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
|
773 std::auto_ptr<ImageAccessor>& image, |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
774 ImageExtractionMode mode) |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
775 { |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
776 ApplyExtractionMode(image, mode); |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
777 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
778 PngWriter writer; |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
779 writer.WriteToMemory(result, *image); |
|
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 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
783 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
|
784 std::auto_ptr<ImageAccessor>& image, |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
785 ImageExtractionMode mode, |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
786 uint8_t quality) |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
787 { |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
788 if (mode != ImageExtractionMode_UInt8 && |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
789 mode != ImageExtractionMode_Preview) |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
790 { |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
791 throw OrthancException(ErrorCode_ParameterOutOfRange); |
|
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 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
794 ApplyExtractionMode(image, mode); |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
795 |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
796 JpegWriter writer; |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
797 writer.SetQuality(quality); |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
798 writer.WriteToMemory(result, *image); |
|
8b0ee8d5e6d0
Refactoring leading to speedups with custom image decoders
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
1900
diff
changeset
|
799 } |
| 845 | 800 } |