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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege,
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4 * Belgium
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5 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU General Public License as
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8 * published by the Free Software Foundation, either version 3 of the
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9 * License, or (at your option) any later version.
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10 *
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11 * In addition, as a special exception, the copyright holders of this
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12 * program give permission to link the code of its release with the
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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14 * that use the same license as the "OpenSSL" library), and distribute
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15 * the linked executables. You must obey the GNU General Public License
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16 * in all respects for all of the code used other than "OpenSSL". If you
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17 * modify file(s) with this exception, you may extend this exception to
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18 * your version of the file(s), but you are not obligated to do so. If
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19 * you do not wish to do so, delete this exception statement from your
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20 * version. If you delete this exception statement from all source files
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21 * in the program, then also delete it here.
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22 *
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23 * This program is distributed in the hope that it will be useful, but
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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26 * General Public License for more details.
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27 *
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28 * You should have received a copy of the GNU General Public License
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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30 **/
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31
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32
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33 #include "PrecompiledHeadersUnitTests.h"
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34 #include "gtest/gtest.h"
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35
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845
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36 #include "../OrthancServer/Internals/DicomImageDecoder.h"
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37
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842
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38 #if ORTHANC_JPEG_LOSSLESS_ENABLED == 1
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39
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843
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40 #include <dcmtk/dcmdata/dcfilefo.h>
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840
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41
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843
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42 #include "../OrthancServer/ParsedDicomFile.h"
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844
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43 #include "../Core/OrthancException.h"
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44 #include "../Core/ImageFormats/ImageBuffer.h"
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45 #include "../Core/ImageFormats/PngWriter.h"
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46
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47 using namespace Orthanc;
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48
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49
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50 TEST(JpegLossless, Basic)
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51 {
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52 //DJLSDecoderRegistration::registerCodecs( EJLSUC_default, EJLSPC_restore,OFFalse );
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843
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53
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54 #if 0
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844
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55 // Fallback
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56
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843
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57 std::string s;
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58 Toolbox::ReadFile(s, "IM-0001-1001-0001.dcm");
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59
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60 ParsedDicomFile parsed(s);
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61 DcmFileFormat& dicom = *reinterpret_cast<DcmFileFormat*>(parsed.GetDcmtkObject());
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62
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63 DcmDataset* dataset = dicom.getDataset();
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64
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65 dataset->chooseRepresentation(EXS_LittleEndianExplicit, NULL);
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66
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67 if (dataset->canWriteXfer(EXS_LittleEndianExplicit))
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68 {
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69 printf("ICI\n");
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70
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71 parsed.SaveToFile("tutu.dcm");
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72
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73 // decompress data set if compressed
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74 dataset->chooseRepresentation(EXS_LittleEndianExplicit, NULL);
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75
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76 DcmXfer original_xfer(dataset->getOriginalXfer());
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77 std::cout << original_xfer.getXferName() << std::endl;
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78
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79 FromDcmtkBridge::ExtractPngImage(s, *dataset, 1, ImageExtractionMode_Preview);
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80 //fileformat.saveFile("test_decompressed.dcm", EXS_LittleEndianExplicit);
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81 }
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82 #else
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83 DcmFileFormat fileformat;
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84 //if (fileformat.loadFile("IM-0001-1001-0001.dcm").good())
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85 if (fileformat.loadFile("tata.dcm").good())
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86 {
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87 DcmDataset& dataset = *fileformat.getDataset();
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88
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89 ASSERT_TRUE(DicomImageDecoder::IsJpegLossless(dataset));
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90
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91 ImageBuffer image;
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92 DicomImageDecoder::DecodeJpegLossless(image, dataset);
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93
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94 ImageAccessor accessor(image.GetAccessor());
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95
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96 for (unsigned int y = 0; y < accessor.GetHeight(); y++)
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97 {
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98 int16_t *p = reinterpret_cast<int16_t*>(accessor.GetRow(y));
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99 for (unsigned int x = 0; x < accessor.GetWidth(); x++, p ++)
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100 {
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101 if (*p < 0)
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102 *p = 0;
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103 }
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104 }
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105
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106 PngWriter w;
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107 w.WriteToFile("tata.png", accessor);
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108 }
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109
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110 #endif
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111
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112
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113 //DJLSDecoderRegistration::cleanup();
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114 }
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842
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115
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116
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117 #endif
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