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260
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1 /**
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2 * Orthanc - A Lightweight, RESTful DICOM Store
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3 * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
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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) 2021-2023 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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7 *
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8 * This program is free software: you can redistribute it and/or
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9 * modify it under the terms of the GNU Affero General Public License
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10 * as published by the Free Software Foundation, either version 3 of
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11 * the License, or (at your option) any later version.
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12 *
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13 * This program is distributed in the hope that it will be useful, but
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14 * WITHOUT ANY WARRANTY; without even the implied warranty of
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15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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16 * Affero General Public License for more details.
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17 *
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18 * You should have received a copy of the GNU Affero General Public License
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19 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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20 **/
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21
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22
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23 #pragma once
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24
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25 #include "../Framework/Enumerations.h"
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26 #include "../Framework/Inputs/ITiledPyramid.h"
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27
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28 #include <orthanc/OrthancCPlugin.h>
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29
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30
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31 class RawTile : public boost::noncopyable
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32 {
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33 private:
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34 Orthanc::PixelFormat format_;
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35 unsigned int tileWidth_;
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36 unsigned int tileHeight_;
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37 Orthanc::PhotometricInterpretation photometric_;
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38 std::string tile_;
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39 OrthancWSI::ImageCompression compression_;
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40
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41 Orthanc::ImageAccessor* DecodeInternal();
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42
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43 static void EncodeInternal(std::string& encoded,
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44 const Orthanc::ImageAccessor& decoded,
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45 Orthanc::MimeType transcodingType);
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46
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47 public:
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48 RawTile(OrthancWSI::ITiledPyramid& pyramid,
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49 unsigned int level,
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50 unsigned int tileX,
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51 unsigned int tileY);
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52
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53 void Answer(OrthancPluginRestOutput* output,
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54 Orthanc::MimeType transcodingType);
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55
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56 Orthanc::ImageAccessor* Decode();
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57
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58 static void Encode(std::string& encoded,
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59 const Orthanc::ImageAccessor& decoded,
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60 Orthanc::MimeType transcodingType);
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61
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62 // This semaphore is used to implement throttling for the
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63 // decoding/encoding of tiles
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64 static void InitializeTranscoderSemaphore(unsigned int maxThreads);
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65
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66 static void FinalizeTranscoderSemaphore();
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67 };
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