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annotate Framework/Inputs/OpenSlidePyramid.cpp @ 279:77afef2cf64b

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automated extraction of the imaged volume if using OpenSlide
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 12 Jul 2023 18:06:34 +0200
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children 7020852a8fa9
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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 #include "../PrecompiledHeadersWSI.h"
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24 #include "OpenSlidePyramid.h"
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26 #include <Compatibility.h> // For std::unique_ptr
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27 #include <Images/ImageProcessing.h>
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28 #include <OrthancException.h>
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29 #include <SerializationToolbox.h>
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30 #include <Logging.h>
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31
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32 #include <memory>
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34 namespace OrthancWSI
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35 {
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36 void OpenSlidePyramid::ReadRegion(Orthanc::ImageAccessor& target,
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37 unsigned int level,
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38 unsigned int x,
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39 unsigned int y)
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40 {
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41 std::unique_ptr<Orthanc::ImageAccessor> source(image_.ReadRegion(level, x, y, target.GetWidth(), target.GetHeight()));
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42 Orthanc::ImageProcessing::Convert(target, *source);
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43 }
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46 OpenSlidePyramid::OpenSlidePyramid(const std::string& path,
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47 unsigned int tileWidth,
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48 unsigned int tileHeight) :
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49 image_(path),
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50 tileWidth_(tileWidth),
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51 tileHeight_(tileHeight)
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52 {
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53 }
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56 bool OpenSlidePyramid::LookupImagedVolumeSize(float& width,
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57 float& height) const
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58 {
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59 std::string s;
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60 double mppx;
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61 double mppy;
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62
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63 if (image_.LookupProperty(s, "openslide.mpp-x") &&
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64 Orthanc::SerializationToolbox::ParseDouble(mppx, s) &&
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65 image_.LookupProperty(s, "openslide.mpp-y") &&
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66 Orthanc::SerializationToolbox::ParseDouble(mppy, s))
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67 {
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68 // In the 2 lines below, remember to switch X/Y when going from physical to pixel coordinates!
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69 width = mppy / 1000.0 * static_cast<double>(image_.GetLevelHeight(0));
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70 height = mppx / 1000.0 * static_cast<double>(image_.GetLevelWidth(0));
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71 return true;
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72 }
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73 else
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74 {
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75 return false;
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76 }
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77 }
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78 }