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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 Affero General Public License
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9 * as published by the Free Software Foundation, either version 3 of
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10 * the License, or (at your option) any later version.
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11 *
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12 * This program is distributed in the hope that it will be useful, but
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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15 * Affero General Public License for more details.
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16 *
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17 * You should have received a copy of the GNU Affero General Public License
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>.
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19 **/
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20
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21
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22 #pragma once
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23
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24 #include "IPyramidWriter.h"
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25
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26 #include <boost/thread.hpp>
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27
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28 namespace OrthancWSI
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29 {
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30 class PyramidWriterBase : public IPyramidWriter
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31 {
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32 protected:
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33 struct Level
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34 {
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35 unsigned int z_;
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36 unsigned int width_;
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37 unsigned int height_;
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38 unsigned int countTilesX_;
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39 unsigned int countTilesY_;
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40 };
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41
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42 // WARNING: The following method can be called from multiple
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43 // threads, locking must be implemented in derived classes.
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44 virtual void WriteRawTileInternal(const std::string& tile,
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45 const Level& level,
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46 unsigned int tileX,
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47 unsigned int tileY) = 0;
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48
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49 // This function is invoked before any call to WriteRawTileInternal()
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50 virtual void AddLevelInternal(const Level& level) = 0;
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51
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52 private:
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53 boost::mutex mutex_; // This mutex protects access to the levels
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54 Orthanc::PixelFormat pixelFormat_;
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55 ImageCompression compression_;
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56 unsigned int tileWidth_;
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57 unsigned int tileHeight_;
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58 uint8_t jpegQuality_;
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59 std::vector<Level> levels_;
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60 bool first_;
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61
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62 Level GetLevel(unsigned int level) const;
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63
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64 public:
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65 PyramidWriterBase(Orthanc::PixelFormat pixelFormat,
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66 ImageCompression compression,
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67 unsigned int tileWidth,
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68 unsigned int tileHeight);
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69
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70 uint8_t GetJpegQuality() const
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71 {
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72 return jpegQuality_;
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73 }
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74
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75 void SetJpegQuality(int quality);
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76
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77 virtual void AddLevel(unsigned int width,
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78 unsigned int height);
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79
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80 virtual unsigned int GetTileWidth() const
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81 {
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82 return tileWidth_;
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83 }
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84
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85 virtual unsigned int GetTileHeight() const
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86 {
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87 return tileHeight_;
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88 }
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89
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90 virtual unsigned int GetCountTilesX(unsigned int level) const
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91 {
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92 return GetLevel(level).countTilesX_;
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93 }
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94
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95 virtual unsigned int GetCountTilesY(unsigned int level) const
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96 {
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97 return GetLevel(level).countTilesY_;
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98 }
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99
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100 virtual unsigned int GetLevelCount() const;
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101
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102 ImageCompression GetImageCompression() const
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103 {
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104 return compression_;
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105 }
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106
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107 virtual void WriteRawTile(const std::string& tile,
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108 ImageCompression compression,
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109 unsigned int z,
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110 unsigned int tileX,
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111 unsigned int tileY);
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112
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113 virtual void EncodeTile(const Orthanc::ImageAccessor& tile,
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114 unsigned int z,
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115 unsigned int tileX,
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116 unsigned int tileY);
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117
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118 virtual Orthanc::PixelFormat GetPixelFormat() const
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119 {
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120 return pixelFormat_;
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121 }
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122
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123 virtual void Flush() = 0;
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124 };
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125 }
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