Mercurial > hg > orthanc
annotate UnitTestsSources/JpegLossless.cpp @ 847:03ea55da7429 jpeg
fully functional JPEG-LS conversion
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 05 Jun 2014 18:14:16 +0200 |
| parents | 48016722c770 |
| children | 703e8d5b03fd |
| rev | line source |
|---|---|
| 839 | 1 /** |
| 2 * Orthanc - A Lightweight, RESTful DICOM Store | |
| 3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, | |
| 4 * Belgium | |
| 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 "PrecompiledHeadersUnitTests.h" | |
| 34 #include "gtest/gtest.h" | |
| 35 | |
| 845 | 36 #include "../OrthancServer/Internals/DicomImageDecoder.h" |
| 37 | |
| 842 | 38 #if ORTHANC_JPEG_LOSSLESS_ENABLED == 1 |
| 39 | |
| 843 | 40 #include <dcmtk/dcmdata/dcfilefo.h> |
| 840 | 41 |
| 843 | 42 #include "../OrthancServer/ParsedDicomFile.h" |
| 844 | 43 #include "../Core/OrthancException.h" |
| 44 #include "../Core/ImageFormats/ImageBuffer.h" | |
| 45 #include "../Core/ImageFormats/PngWriter.h" | |
| 46 | |
| 845 | 47 using namespace Orthanc; |
| 839 | 48 |
| 49 | |
| 50 TEST(JpegLossless, Basic) | |
| 51 { | |
| 843 | 52 #if 0 |
| 844 | 53 // Fallback |
| 54 | |
| 843 | 55 std::string s; |
| 56 Toolbox::ReadFile(s, "IM-0001-1001-0001.dcm"); | |
| 57 | |
| 58 ParsedDicomFile parsed(s); | |
| 59 DcmFileFormat& dicom = *reinterpret_cast<DcmFileFormat*>(parsed.GetDcmtkObject()); | |
| 60 | |
| 61 DcmDataset* dataset = dicom.getDataset(); | |
| 62 | |
| 63 dataset->chooseRepresentation(EXS_LittleEndianExplicit, NULL); | |
| 64 | |
| 65 if (dataset->canWriteXfer(EXS_LittleEndianExplicit)) | |
| 66 { | |
| 67 printf("ICI\n"); | |
| 68 | |
| 69 parsed.SaveToFile("tutu.dcm"); | |
| 70 | |
| 71 // decompress data set if compressed | |
| 72 dataset->chooseRepresentation(EXS_LittleEndianExplicit, NULL); | |
| 73 | |
| 74 DcmXfer original_xfer(dataset->getOriginalXfer()); | |
| 75 std::cout << original_xfer.getXferName() << std::endl; | |
| 76 | |
| 844 | 77 FromDcmtkBridge::ExtractPngImage(s, *dataset, 1, ImageExtractionMode_Preview); |
| 78 //fileformat.saveFile("test_decompressed.dcm", EXS_LittleEndianExplicit); | |
| 79 } | |
| 80 #else | |
| 81 DcmFileFormat fileformat; | |
| 82 //if (fileformat.loadFile("IM-0001-1001-0001.dcm").good()) | |
| 83 if (fileformat.loadFile("tata.dcm").good()) | |
| 84 { | |
| 845 | 85 DcmDataset& dataset = *fileformat.getDataset(); |
| 844 | 86 |
| 845 | 87 ASSERT_TRUE(DicomImageDecoder::IsJpegLossless(dataset)); |
| 844 | 88 |
| 845 | 89 ImageBuffer image; |
|
847
03ea55da7429
fully functional JPEG-LS conversion
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
845
diff
changeset
|
90 //DicomImageDecoder::DecodeJpegLossless(image, dataset, 0); |
|
03ea55da7429
fully functional JPEG-LS conversion
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
845
diff
changeset
|
91 DicomImageDecoder::Decode(image, dataset, 0); |
| 844 | 92 |
| 845 | 93 ImageAccessor accessor(image.GetAccessor()); |
| 844 | 94 |
| 845 | 95 for (unsigned int y = 0; y < accessor.GetHeight(); y++) |
| 96 { | |
| 97 int16_t *p = reinterpret_cast<int16_t*>(accessor.GetRow(y)); | |
| 98 for (unsigned int x = 0; x < accessor.GetWidth(); x++, p ++) | |
| 99 { | |
| 100 if (*p < 0) | |
| 101 *p = 0; | |
| 844 | 102 } |
| 843 | 103 } |
| 845 | 104 |
| 105 PngWriter w; | |
| 106 w.WriteToFile("tata.png", accessor); | |
| 843 | 107 } |
| 108 | |
| 109 #endif | |
| 839 | 110 } |
| 842 | 111 |
| 112 | |
| 113 #endif |