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annotate Core/Images/PngReader.h @ 3377:05881bf99c83

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Allow the serialization of signed 16bpp images in PAM format
author Sebastien Jodogne <s.jodogne@gmail.com>
date Thu, 16 May 2019 12:31:47 +0200
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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) 2017-2019 Osimis S.A., Belgium
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6 *
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7 * This program is free software: you can redistribute it and/or
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8 * modify it under the terms of the GNU General Public License as
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9 * published by the Free Software Foundation, either version 3 of the
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10 * License, or (at your option) any later version.
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11 *
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12 * In addition, as a special exception, the copyright holders of this
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13 * program give permission to link the code of its release with the
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it
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15 * that use the same license as the "OpenSSL" library), and distribute
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16 * the linked executables. You must obey the GNU General Public License
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17 * in all respects for all of the code used other than "OpenSSL". If you
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18 * modify file(s) with this exception, you may extend this exception to
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19 * your version of the file(s), but you are not obligated to do so. If
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20 * you do not wish to do so, delete this exception statement from your
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21 * version. If you delete this exception statement from all source files
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22 * in the program, then also delete it here.
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23 *
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24 * This program is distributed in the hope that it will be useful, but
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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27 * General Public License for more details.
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28 *
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29 * You should have received a copy of the GNU General Public License
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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31 **/
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32
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33
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34 #pragma once
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35
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36 #if !defined(ORTHANC_ENABLE_PNG)
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37 # error The macro ORTHANC_ENABLE_PNG must be defined
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38 #endif
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39
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40 #if ORTHANC_ENABLE_PNG != 1
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41 # error PNG support must be enabled to include this file
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42 #endif
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43
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44 #include "ImageAccessor.h"
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45
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46 #include "../Enumerations.h"
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47
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48 #include <vector>
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49 #include <stdint.h>
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50 #include <boost/shared_ptr.hpp>
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51
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52 #if !defined(ORTHANC_SANDBOXED)
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53 # error The macro ORTHANC_SANDBOXED must be defined
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54 #endif
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55
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56 namespace Orthanc
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57 {
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58 class PngReader : public ImageAccessor
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59 {
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60 private:
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61 struct PngRabi;
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62
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63 std::vector<uint8_t> data_;
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64
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65 void CheckHeader(const void* header);
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66
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67 void Read(PngRabi& rabi);
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68
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69 public:
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70 PngReader();
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72 #if ORTHANC_SANDBOXED == 0
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73 void ReadFromFile(const std::string& filename);
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74 #endif
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75
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76 void ReadFromMemory(const void* buffer,
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77 size_t size);
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78
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79 void ReadFromMemory(const std::string& buffer);
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80 };
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81 }