Mercurial > hg > orthanc-wsi
annotate ViewerPlugin/RawTile.cpp @ 312:0683312e21ba
updated copyright, as Orthanc Team now replaces Osimis
| author | Sebastien Jodogne <s.jodogne@gmail.com> |
|---|---|
| date | Thu, 30 May 2024 22:11:10 +0200 |
| parents | 7020852a8fa9 |
| children | 8ad12abde290 |
| rev | line source |
|---|---|
| 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 | |
|
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5 * Copyright (C) 2017-2023 Osimis S.A., Belgium |
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6 * Copyright (C) 2024-2024 Orthanc Team SRL, Belgium |
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium |
| 260 | 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 "../Framework/PrecompiledHeadersWSI.h" | |
| 25 #include "RawTile.h" | |
| 26 | |
| 27 #include "../Framework/ImageToolbox.h" | |
| 28 #include "../Framework/Jpeg2000Reader.h" | |
| 29 #include "../Resources/Orthanc/Plugins/OrthancPluginCppWrapper.h" | |
| 30 | |
| 31 #include <Compatibility.h> // For std::unique_ptr | |
| 32 #include <Images/JpegReader.h> | |
| 33 #include <Images/JpegWriter.h> | |
| 34 #include <Images/PngWriter.h> | |
| 35 #include <MultiThreading/Semaphore.h> | |
| 36 #include <OrthancException.h> | |
| 37 | |
| 38 | |
| 39 static std::unique_ptr<Orthanc::Semaphore> transcoderSemaphore_; | |
| 40 | |
| 261 | 41 namespace OrthancWSI |
| 260 | 42 { |
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43 static ImageCompression Convert(Orthanc::MimeType type) |
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44 { |
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45 switch (type) |
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46 { |
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47 case Orthanc::MimeType_Png: |
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48 return ImageCompression_Png; |
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49 |
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50 case Orthanc::MimeType_Jpeg: |
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51 return ImageCompression_Jpeg; |
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52 |
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53 case Orthanc::MimeType_Jpeg2000: |
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54 return ImageCompression_Jpeg2000; |
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55 |
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56 default: |
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57 throw Orthanc::OrthancException(Orthanc::ErrorCode_ParameterOutOfRange); |
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58 } |
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59 } |
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60 |
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61 |
| 261 | 62 Orthanc::ImageAccessor* RawTile::DecodeInternal() |
| 260 | 63 { |
| 261 | 64 switch (compression_) |
| 260 | 65 { |
| 261 | 66 case ImageCompression_Jpeg: |
| 260 | 67 { |
| 261 | 68 std::unique_ptr<Orthanc::JpegReader> decoded(new Orthanc::JpegReader); |
| 69 decoded->ReadFromMemory(tile_); | |
| 70 return decoded.release(); | |
| 260 | 71 } |
| 72 | |
| 261 | 73 case ImageCompression_Jpeg2000: |
| 74 { | |
| 75 std::unique_ptr<Jpeg2000Reader> decoded(new Jpeg2000Reader); | |
| 76 decoded->ReadFromMemory(tile_); | |
| 260 | 77 |
| 261 | 78 if (photometric_ == Orthanc::PhotometricInterpretation_YBR_ICT) |
| 79 { | |
| 80 ImageToolbox::ConvertJpegYCbCrToRgb(*decoded); | |
| 81 } | |
| 82 | |
| 83 return decoded.release(); | |
| 260 | 84 } |
| 85 | |
| 261 | 86 case ImageCompression_None: |
| 87 { | |
| 88 unsigned int bpp = Orthanc::GetBytesPerPixel(format_); | |
| 89 if (bpp * tileWidth_ * tileHeight_ != tile_.size()) | |
| 90 { | |
| 91 throw Orthanc::OrthancException(Orthanc::ErrorCode_BadFileFormat); | |
| 92 } | |
| 260 | 93 |
| 261 | 94 std::unique_ptr<Orthanc::ImageAccessor> decoded(new Orthanc::ImageAccessor); |
| 95 decoded->AssignReadOnly(format_, tileWidth_, tileHeight_, bpp * tileWidth_, tile_.c_str()); | |
| 96 | |
| 97 return decoded.release(); | |
| 98 } | |
| 99 | |
| 100 default: | |
| 101 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented); | |
| 260 | 102 } |
| 103 } | |
| 104 | |
| 261 | 105 void RawTile::EncodeInternal(std::string& encoded, |
| 106 const Orthanc::ImageAccessor& decoded, | |
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107 Orthanc::MimeType encoding) |
| 260 | 108 { |
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109 ImageToolbox::EncodeTile(encoded, decoded, Convert(encoding), 90 /* only used for JPEG */); |
| 260 | 110 } |
| 111 | |
| 112 | |
| 261 | 113 RawTile::RawTile(ITiledPyramid& pyramid, |
| 114 unsigned int level, | |
| 115 unsigned int tileX, | |
| 116 unsigned int tileY) : | |
| 117 format_(pyramid.GetPixelFormat()), | |
| 118 tileWidth_(pyramid.GetTileWidth(level)), | |
| 119 tileHeight_(pyramid.GetTileHeight(level)), | |
| 120 photometric_(pyramid.GetPhotometricInterpretation()) | |
| 260 | 121 { |
| 261 | 122 if (!pyramid.ReadRawTile(tile_, compression_, level, tileX, tileY)) |
| 123 { | |
| 124 // Handling of missing tile (for sparse tiling): TODO parameter? | |
| 125 // AnswerSparseTile(output, tileWidth, tileHeight); return; | |
| 126 throw Orthanc::OrthancException(Orthanc::ErrorCode_UnknownResource); | |
| 127 } | |
| 260 | 128 } |
| 129 | |
| 130 | |
| 261 | 131 void RawTile::Answer(OrthancPluginRestOutput* output, |
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132 Orthanc::MimeType encoding) |
| 260 | 133 { |
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134 if ((compression_ == ImageCompression_Jpeg && encoding == Orthanc::MimeType_Jpeg) || |
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135 (compression_ == ImageCompression_Jpeg2000 && encoding == Orthanc::MimeType_Jpeg2000)) |
| 261 | 136 { |
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137 // No transcoding is needed, the tile can be served as such |
| 261 | 138 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, tile_.c_str(), |
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139 tile_.size(), Orthanc::EnumerationToString(encoding)); |
| 261 | 140 } |
| 141 else | |
| 260 | 142 { |
| 261 | 143 std::string transcoded; |
| 144 | |
| 145 { | |
| 146 // The semaphore is used to throttle the number of simultaneous computations | |
| 147 Orthanc::Semaphore::Locker locker(*transcoderSemaphore_); | |
| 148 | |
| 149 std::unique_ptr<Orthanc::ImageAccessor> decoded(DecodeInternal()); | |
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150 EncodeInternal(transcoded, *decoded, encoding); |
| 261 | 151 } |
| 152 | |
| 153 OrthancPluginAnswerBuffer(OrthancPlugins::GetGlobalContext(), output, transcoded.c_str(), | |
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154 transcoded.size(), Orthanc::EnumerationToString(encoding)); |
| 261 | 155 } |
| 156 } | |
| 157 | |
| 260 | 158 |
| 261 | 159 Orthanc::ImageAccessor* RawTile::Decode() |
| 160 { | |
| 161 Orthanc::Semaphore::Locker locker(*transcoderSemaphore_); | |
| 162 return DecodeInternal(); | |
| 163 } | |
| 164 | |
| 260 | 165 |
| 261 | 166 void RawTile::Encode(std::string& encoded, |
| 167 const Orthanc::ImageAccessor& decoded, | |
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168 Orthanc::MimeType encoding) |
| 261 | 169 { |
| 170 Orthanc::Semaphore::Locker locker(*transcoderSemaphore_); | |
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171 EncodeInternal(encoded, decoded, encoding); |
| 261 | 172 } |
| 173 | |
| 174 | |
| 175 void RawTile::InitializeTranscoderSemaphore(unsigned int maxThreads) | |
| 176 { | |
| 177 transcoderSemaphore_.reset(new Orthanc::Semaphore(maxThreads)); | |
| 178 } | |
| 179 | |
| 180 | |
| 181 void RawTile::FinalizeTranscoderSemaphore() | |
| 182 { | |
| 183 transcoderSemaphore_.reset(NULL); | |
| 260 | 184 } |
| 185 } |