Mercurial > hg > orthanc-wsi
annotate ViewerPlugin/RawTile.cpp @ 296:559499b80da8
refactoring
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 18 Jul 2023 06:45:44 +0200 |
parents | ac1508b438b1 |
children | 7020852a8fa9 |
rev | line source |
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260 | 1 /** |
2 * Orthanc - A Lightweight, RESTful DICOM Store | |
3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics | |
4 * Department, University Hospital of Liege, Belgium | |
5 * Copyright (C) 2017-2023 Osimis S.A., Belgium | |
6 * Copyright (C) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium | |
7 * | |
8 * This program is free software: you can redistribute it and/or | |
9 * modify it under the terms of the GNU Affero General Public License | |
10 * as published by the Free Software Foundation, either version 3 of | |
11 * the License, or (at your option) any later version. | |
12 * | |
13 * This program is distributed in the hope that it will be useful, but | |
14 * WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
16 * Affero General Public License for more details. | |
17 * | |
18 * You should have received a copy of the GNU Affero General Public License | |
19 * along with this program. If not, see <http://www.gnu.org/licenses/>. | |
20 **/ | |
21 | |
22 | |
23 #include "../Framework/PrecompiledHeadersWSI.h" | |
24 #include "RawTile.h" | |
25 | |
26 #include "../Framework/ImageToolbox.h" | |
27 #include "../Framework/Jpeg2000Reader.h" | |
28 #include "../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h" | |
29 | |
30 #include <Compatibility.h> // For std::unique_ptr | |
31 #include <Images/JpegReader.h> | |
32 #include <Images/JpegWriter.h> | |
33 #include <Images/PngWriter.h> | |
34 #include <MultiThreading/Semaphore.h> | |
35 #include <OrthancException.h> | |
36 | |
37 | |
38 static std::unique_ptr<Orthanc::Semaphore> transcoderSemaphore_; | |
39 | |
261 | 40 namespace OrthancWSI |
260 | 41 { |
277
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42 static ImageCompression Convert(Orthanc::MimeType type) |
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43 { |
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44 switch (type) |
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45 { |
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46 case Orthanc::MimeType_Png: |
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47 return ImageCompression_Png; |
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48 |
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49 case Orthanc::MimeType_Jpeg: |
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50 return ImageCompression_Jpeg; |
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51 |
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52 case Orthanc::MimeType_Jpeg2000: |
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53 return ImageCompression_Jpeg2000; |
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54 |
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55 default: |
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56 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); |
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57 } |
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58 } |
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59 |
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60 |
261 | 61 Orthanc::ImageAccessor* RawTile::DecodeInternal() |
260 | 62 { |
261 | 63 switch (compression_) |
260 | 64 { |
261 | 65 case ImageCompression_Jpeg: |
260 | 66 { |
261 | 67 std::unique_ptr<Orthanc::JpegReader> decoded(new Orthanc::JpegReader); |
68 decoded->ReadFromMemory(tile_); | |
69 return decoded.release(); | |
260 | 70 } |
71 | |
261 | 72 case ImageCompression_Jpeg2000: |
73 { | |
74 std::unique_ptr<Jpeg2000Reader> decoded(new Jpeg2000Reader); | |
75 decoded->ReadFromMemory(tile_); | |
260 | 76 |
261 | 77 if (photometric_ == Orthanc::PhotometricInterpretation_YBR_ICT) |
78 { | |
79 ImageToolbox::ConvertJpegYCbCrToRgb(*decoded); | |
80 } | |
81 | |
82 return decoded.release(); | |
260 | 83 } |
84 | |
261 | 85 case ImageCompression_None: |
86 { | |
87 unsigned int bpp = Orthanc::GetBytesPerPixel(format_); | |
88 if (bpp * tileWidth_ * tileHeight_ != tile_.size()) | |
89 { | |
90 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
91 } | |
260 | 92 |
261 | 93 std::unique_ptr<Orthanc::ImageAccessor> decoded(new Orthanc::ImageAccessor); |
94 decoded->AssignReadOnly(format_, tileWidth_, tileHeight_, bpp * tileWidth_, tile_.c_str()); | |
95 | |
96 return decoded.release(); | |
97 } | |
98 | |
99 default: | |
100 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
260 | 101 } |
102 } | |
103 | |
261 | 104 void RawTile::EncodeInternal(std::string& encoded, |
105 const Orthanc::ImageAccessor& decoded, | |
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106 Orthanc::MimeType encoding) |
260 | 107 { |
277
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108 ImageToolbox::EncodeTile(encoded, decoded, Convert(encoding), 90 /* only used for JPEG */); |
260 | 109 } |
110 | |
111 | |
261 | 112 RawTile::RawTile(ITiledPyramid& pyramid, |
113 unsigned int level, | |
114 unsigned int tileX, | |
115 unsigned int tileY) : | |
116 format_(pyramid.GetPixelFormat()), | |
117 tileWidth_(pyramid.GetTileWidth(level)), | |
118 tileHeight_(pyramid.GetTileHeight(level)), | |
119 photometric_(pyramid.GetPhotometricInterpretation()) | |
260 | 120 { |
261 | 121 if (!pyramid.ReadRawTile(tile_, compression_, level, tileX, tileY)) |
122 { | |
123 // Handling of missing tile (for sparse tiling): TODO parameter? | |
124 // AnswerSparseTile(output, tileWidth, tileHeight); return; | |
125 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); | |
126 } | |
260 | 127 } |
128 | |
129 | |
261 | 130 void RawTile::Answer(OrthancPluginRestOutput* output, |
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131 Orthanc::MimeType encoding) |
260 | 132 { |
276
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133 if ((compression_ == ImageCompression_Jpeg && encoding == Orthanc::MimeType_Jpeg) || |
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134 (compression_ == ImageCompression_Jpeg2000 && encoding == Orthanc::MimeType_Jpeg2000)) |
261 | 135 { |
276
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136 // No transcoding is needed, the tile can be served as such |
261 | 137 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, tile_.c_str(), |
276
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138 tile_.size(), Orthanc::EnumerationToString(encoding)); |
261 | 139 } |
140 else | |
260 | 141 { |
261 | 142 std::string transcoded; |
143 | |
144 { | |
145 // The semaphore is used to throttle the number of simultaneous computations | |
146 Orthanc::Semaphore::Locker locker(*transcoderSemaphore_); | |
147 | |
148 std::unique_ptr<Orthanc::ImageAccessor> decoded(DecodeInternal()); | |
276
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149 EncodeInternal(transcoded, *decoded, encoding); |
261 | 150 } |
151 | |
152 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, transcoded.c_str(), | |
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153 transcoded.size(), Orthanc::EnumerationToString(encoding)); |
261 | 154 } |
155 } | |
156 | |
260 | 157 |
261 | 158 Orthanc::ImageAccessor* RawTile::Decode() |
159 { | |
160 Orthanc::Semaphore::Locker locker(*transcoderSemaphore_); | |
161 return DecodeInternal(); | |
162 } | |
163 | |
260 | 164 |
261 | 165 void RawTile::Encode(std::string& encoded, |
166 const Orthanc::ImageAccessor& decoded, | |
276
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167 Orthanc::MimeType encoding) |
261 | 168 { |
169 Orthanc::Semaphore::Locker locker(*transcoderSemaphore_); | |
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170 EncodeInternal(encoded, decoded, encoding); |
261 | 171 } |
172 | |
173 | |
174 void RawTile::InitializeTranscoderSemaphore(unsigned int maxThreads) | |
175 { | |
176 transcoderSemaphore_.reset(new Orthanc::Semaphore(maxThreads)); | |
177 } | |
178 | |
179 | |
180 void RawTile::FinalizeTranscoderSemaphore() | |
181 { | |
182 transcoderSemaphore_.reset(NULL); | |
260 | 183 } |
184 } |