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annotate OrthancFramework/Sources/Images/PngReader.h @ 5406:aaf7c49a9ddc am-http-compression

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tentative to implement smart HTTP compression with detection of transfer syntax
author Alain Mazy <am@osimis.io>
date Sat, 04 Nov 2023 13:42:30 +0100
parents 0ea402b4d901
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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 Lesser 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 * Lesser 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 Lesser General Public
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19 * License along with this program. If not, see
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20 * <http://www.gnu.org/licenses/>.
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21 **/
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22
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23
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24 #pragma once
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25
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26 #if !defined(ORTHANC_ENABLE_PNG)
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27 # error The macro ORTHANC_ENABLE_PNG must be defined
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28 #endif
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29
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30 #if ORTHANC_ENABLE_PNG != 1
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31 # error PNG support must be enabled to include this file
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32 #endif
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33
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34 #include "ImageAccessor.h"
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35
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36 #include "../Enumerations.h"
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37
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38 #include <vector>
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39 #include <stdint.h>
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40 #include <boost/shared_ptr.hpp>
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41
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42 #if !defined(ORTHANC_SANDBOXED)
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43 # error The macro ORTHANC_SANDBOXED must be defined
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44 #endif
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45
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46 namespace Orthanc
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47 {
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48 class ORTHANC_PUBLIC PngReader : public ImageAccessor
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49 {
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50 private:
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51 struct PngRabi;
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52
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53 std::vector<uint8_t> data_;
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54
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55 void CheckHeader(const void* header);
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56
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57 void Read(PngRabi& rabi);
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58
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59 public:
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60 PngReader();
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61
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62 #if ORTHANC_SANDBOXED == 0
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63 void ReadFromFile(const std::string& filename);
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64 #endif
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65
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66 void ReadFromMemory(const void* buffer,
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67 size_t size);
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68
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69 void ReadFromMemory(const std::string& buffer);
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70 };
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71 }