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annotate Framework/Inputs/PyramidWithRawTiles.cpp @ 89:61e629ce7c94

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author Sebastien Jodogne <s.jodogne@gmail.com>
date Fri, 16 Dec 2016 21:13:29 +0100
parents 7a3853d51c45
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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 *
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6 * This program is free software: you can redistribute it and/or
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7 * modify it under the terms of the GNU Affero General Public License
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8 * as published by the Free Software Foundation, either version 3 of
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9 * the License, or (at your option) any later version.
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10 *
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11 * This program is distributed in the hope that it will be useful, but
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12 * WITHOUT ANY WARRANTY; without even the implied warranty of
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13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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14 * Affero General Public License for more details.
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15 *
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16 * You should have received a copy of the GNU Affero General Public License
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17 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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18 **/
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19
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20
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21 #include "../PrecompiledHeadersWSI.h"
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22 #include "PyramidWithRawTiles.h"
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23
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24 #include "../../Resources/Orthanc/Core/Images/PngReader.h"
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25 #include "../../Resources/Orthanc/Core/Images/JpegReader.h"
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26 #include "../../Resources/Orthanc/Core/OrthancException.h"
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27 #include "../Jpeg2000Reader.h"
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29 namespace OrthancWSI
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30 {
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31 Orthanc::ImageAccessor* PyramidWithRawTiles::DecodeTile(unsigned int level,
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32 unsigned int tileX,
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33 unsigned int tileY)
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34 {
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35 std::string tile;
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36 ImageCompression compression;
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37
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38 if (!ReadRawTile(tile, compression, level, tileX, tileY))
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39 {
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40 return NULL;
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41 }
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43 std::auto_ptr<Orthanc::ImageAccessor> result;
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44
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45 switch (compression)
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46 {
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47 case ImageCompression_None:
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48 result.reset(new Orthanc::ImageAccessor);
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49 result->AssignReadOnly(GetPixelFormat(),
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50 GetTileWidth(),
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51 GetTileHeight(),
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52 GetBytesPerPixel(GetPixelFormat()) * GetTileWidth(),
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53 tile.c_str());
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54 break;
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55
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56 case ImageCompression_Jpeg:
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57 result.reset(new Orthanc::JpegReader);
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58 dynamic_cast<Orthanc::JpegReader&>(*result).ReadFromMemory(tile);
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59 break;
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60
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61 case ImageCompression_Png:
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62 result.reset(new Orthanc::PngReader);
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63 dynamic_cast<Orthanc::PngReader&>(*result).ReadFromMemory(tile);
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64 break;
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65
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66 case ImageCompression_Jpeg2000:
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67 result.reset(new Jpeg2000Reader);
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68 dynamic_cast<Jpeg2000Reader&>(*result).ReadFromMemory(tile);
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69 break;
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71 default:
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72 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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73 }
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75 return result.release();
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76 }
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77 }