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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 #pragma once
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22
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23 #include "IPyramidWriter.h"
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24
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25 #include <boost/thread.hpp>
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26
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27 namespace OrthancWSI
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28 {
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29 class PyramidWriterBase : public IPyramidWriter
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30 {
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31 protected:
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32 struct Level
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33 {
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34 unsigned int z_;
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35 unsigned int width_;
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36 unsigned int height_;
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37 unsigned int countTilesX_;
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38 unsigned int countTilesY_;
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39 };
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40
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41 // WARNING: The following method can be called from multiple
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42 // threads, locking must be implemented in derived classes.
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43 virtual void WriteRawTileInternal(const std::string& tile,
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44 const Level& level,
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45 unsigned int tileX,
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46 unsigned int tileY) = 0;
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47
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48 // This function is invoked before any call to WriteRawTileInternal()
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49 virtual void AddLevelInternal(const Level& level) = 0;
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50
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51 private:
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52 boost::mutex mutex_; // This mutex protects access to the levels
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53 Orthanc::PixelFormat pixelFormat_;
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54 ImageCompression compression_;
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55 unsigned int tileWidth_;
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56 unsigned int tileHeight_;
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57 uint8_t jpegQuality_;
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58 std::vector<Level> levels_;
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59 bool first_;
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60
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61 Level GetLevel(unsigned int level) const;
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62
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63 public:
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64 PyramidWriterBase(Orthanc::PixelFormat pixelFormat,
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65 ImageCompression compression,
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66 unsigned int tileWidth,
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67 unsigned int tileHeight);
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68
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69 uint8_t GetJpegQuality() const
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70 {
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71 return jpegQuality_;
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72 }
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73
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74 void SetJpegQuality(int quality);
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75
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76 virtual void AddLevel(unsigned int width,
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77 unsigned int height);
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78
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79 virtual unsigned int GetTileWidth() const
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80 {
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81 return tileWidth_;
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82 }
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83
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84 virtual unsigned int GetTileHeight() const
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85 {
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86 return tileHeight_;
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87 }
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88
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89 virtual unsigned int GetCountTilesX(unsigned int level) const
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90 {
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91 return GetLevel(level).countTilesX_;
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92 }
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93
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94 virtual unsigned int GetCountTilesY(unsigned int level) const
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95 {
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96 return GetLevel(level).countTilesY_;
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97 }
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98
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99 virtual unsigned int GetLevelCount() const;
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100
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101 ImageCompression GetImageCompression() const
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102 {
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103 return compression_;
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104 }
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105
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106 virtual void WriteRawTile(const std::string& tile,
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107 ImageCompression compression,
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108 unsigned int z,
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109 unsigned int tileX,
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110 unsigned int tileY);
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111
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112 virtual void EncodeTile(const Orthanc::ImageAccessor& tile,
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113 unsigned int z,
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114 unsigned int tileX,
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115 unsigned int tileY);
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116
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117 virtual Orthanc::PixelFormat GetPixelFormat() const
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118 {
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119 return pixelFormat_;
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120 }
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121
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122 virtual void Flush() = 0;
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123 };
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124 }
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