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annotate Framework/TiffReader.cpp @ 334:f011fc199b6a default tip
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Fri, 18 Oct 2024 15:44:18 +0200 |
parents | 0683312e21ba |
children |
rev | line source |
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297 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
312
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updated copyright, as Orthanc Team now replaces Osimis
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parents:
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium |
0683312e21ba
updated copyright, as Orthanc Team now replaces Osimis
Sebastien Jodogne <s.jodogne@gmail.com>
parents:
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6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium |
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updated year to 2024
Sebastien Jodogne <s.jodogne@gmail.com>
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
297 | 8 * |
9 * This program is free software: you can redistribute it and/or | |
10 * modify it under the terms of the GNU Affero General Public License | |
11 * as published by the Free Software Foundation, either version 3 of | |
12 * the License, or (at your option) any later version. | |
13 * | |
14 * This program is distributed in the hope that it will be useful, but | |
15 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 * Affero General Public License for more details. | |
18 * | |
19 * You should have received a copy of the GNU Affero General Public License | |
20 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
21 **/ | |
22 | |
23 | |
24 #include "TiffReader.h" | |
25 | |
26 #include <Logging.h> | |
27 #include <OrthancException.h> | |
28 | |
29 namespace OrthancWSI | |
30 { | |
31 TiffReader::TiffReader(const std::string& path) | |
32 { | |
33 tiff_ = TIFFOpen(path.c_str(), "r"); | |
34 if (tiff_ == NULL) | |
35 { | |
36 throw Orthanc::OrthancException(Orthanc::ErrorCode_InexistentFile, | |
37 "libtiff cannot open: " + path); | |
38 } | |
39 } | |
40 | |
41 | |
42 TiffReader::~TiffReader() | |
43 { | |
44 if (tiff_) | |
45 { | |
46 TIFFClose(tiff_); | |
47 tiff_ = NULL; | |
48 } | |
49 } | |
50 | |
51 | |
52 bool TiffReader::GetCurrentDirectoryInformation(ImageCompression& compression, | |
53 Orthanc::PixelFormat& pixelFormat, | |
54 Orthanc::PhotometricInterpretation& photometric) | |
55 { | |
56 uint16_t c; | |
57 if (!TIFFGetField(tiff_, TIFFTAG_COMPRESSION, &c)) | |
58 { | |
59 return false; | |
60 } | |
61 | |
62 switch (c) | |
63 { | |
64 case COMPRESSION_NONE: | |
65 compression = ImageCompression_None; | |
66 break; | |
67 | |
68 case COMPRESSION_JPEG: | |
69 compression = ImageCompression_Jpeg; | |
70 break; | |
71 | |
72 default: | |
73 return false; | |
74 } | |
75 | |
76 // http://www.awaresystems.be/imaging/tiff/tifftags/baseline.html | |
77 | |
78 uint16_t channels, photometricTiff, bpp, planar; | |
79 if (!TIFFGetField(tiff_, TIFFTAG_SAMPLESPERPIXEL, &channels) || | |
80 channels == 0 || | |
81 !TIFFGetField(tiff_, TIFFTAG_PHOTOMETRIC, &photometricTiff) || | |
82 !TIFFGetField(tiff_, TIFFTAG_BITSPERSAMPLE, &bpp) || | |
83 !TIFFGetField(tiff_, TIFFTAG_PLANARCONFIG, &planar)) | |
84 { | |
85 return false; | |
86 } | |
87 | |
88 if (compression == ImageCompression_Jpeg && | |
89 channels == 3 && // This is a color image | |
90 bpp == 8 && | |
91 planar == PLANARCONFIG_CONTIG) // This is interleaved RGB | |
92 { | |
93 pixelFormat = Orthanc::PixelFormat_RGB24; | |
94 | |
95 switch (photometricTiff) | |
96 { | |
97 case PHOTOMETRIC_YCBCR: | |
98 photometric = Orthanc::PhotometricInterpretation_YBRFull422; | |
99 break; | |
100 | |
101 case PHOTOMETRIC_RGB: | |
102 photometric = Orthanc::PhotometricInterpretation_RGB; | |
103 break; | |
104 | |
105 default: | |
106 LOG(ERROR) << "Unknown photometric interpretation in TIFF: " << photometricTiff; | |
107 return false; | |
108 } | |
109 } | |
110 else if (compression == ImageCompression_None && | |
111 channels == 3 && // This is a color image | |
112 bpp == 8 && | |
113 planar == PLANARCONFIG_CONTIG) // This is interleaved RGB | |
114 { | |
115 pixelFormat = Orthanc::PixelFormat_RGB24; | |
116 photometric = Orthanc::PhotometricInterpretation_RGB; | |
117 } | |
118 else if (compression == ImageCompression_Jpeg && | |
119 channels == 1 && // This is a grayscale image | |
120 bpp == 8) | |
121 { | |
122 pixelFormat = Orthanc::PixelFormat_Grayscale8; | |
123 photometric = Orthanc::PhotometricInterpretation_Monochrome2; | |
124 } | |
125 else | |
126 { | |
127 return false; | |
128 } | |
129 | |
130 return true; | |
131 } | |
132 } |