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annotate OrthancFramework/Sources/Images/ImageAccessor.h @ 5013:c074a5827da9

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author Alain Mazy <am@osimis.io>
date Wed, 08 Jun 2022 15:46:24 +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) 2017-2022 Osimis S.A., Belgium
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6 * Copyright (C) 2021-2022 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 #include "../Compatibility.h"
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27 #include "../Enumerations.h"
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28
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29 #include <string>
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30 #include <stdint.h>
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31 #include <boost/noncopyable.hpp>
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32
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33 namespace Orthanc
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34 {
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35 class ORTHANC_PUBLIC ImageAccessor : public boost::noncopyable
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36 {
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37 private:
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38 template <PixelFormat Format>
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39 friend struct ImageTraits;
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40
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41 bool readOnly_;
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42 PixelFormat format_;
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43 unsigned int width_;
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44 unsigned int height_;
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45 unsigned int pitch_;
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46 uint8_t *buffer_;
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47
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48 template <typename T>
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49 const T& GetPixelUnchecked(unsigned int x,
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50 unsigned int y) const
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51 {
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52 const uint8_t* row = reinterpret_cast<const uint8_t*>(buffer_) + y * pitch_;
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53 return reinterpret_cast<const T*>(row) [x];
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54 }
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55
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56
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57 template <typename T>
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58 T& GetPixelUnchecked(unsigned int x,
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59 unsigned int y)
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60 {
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61 uint8_t* row = reinterpret_cast<uint8_t*>(buffer_) + y * pitch_;
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62 return reinterpret_cast<T*>(row) [x];
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63 }
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64
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65 #if ORTHANC_BUILDING_FRAMEWORK_LIBRARY == 1
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66 // Alias for binary compatibility with Orthanc Framework 1.7.2 => don't use it anymore
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67 void* GetBuffer() const;
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68 void* GetRow(unsigned int y) const;
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69 #endif
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70
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71 public:
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72 ImageAccessor();
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73
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74 virtual ~ImageAccessor();
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75
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76 bool IsReadOnly() const;
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77
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78 PixelFormat GetFormat() const;
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79
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80 unsigned int GetBytesPerPixel() const;
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81
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82 unsigned int GetWidth() const;
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83
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84 unsigned int GetHeight() const;
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85
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86 unsigned int GetPitch() const;
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87
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88 unsigned int GetSize() const;
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89
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90 const void* GetConstBuffer() const;
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91
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92 void* GetBuffer();
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94 const void* GetConstRow(unsigned int y) const;
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95
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96 void* GetRow(unsigned int y);
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97
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98 void AssignEmpty(PixelFormat format);
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99
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100 void AssignReadOnly(PixelFormat format,
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101 unsigned int width,
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102 unsigned int height,
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103 unsigned int pitch,
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104 const void *buffer);
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105
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106 void GetReadOnlyAccessor(ImageAccessor& target) const;
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107
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108 void AssignWritable(PixelFormat format,
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109 unsigned int width,
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110 unsigned int height,
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111 unsigned int pitch,
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112 void *buffer);
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113
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114 void GetWriteableAccessor(ImageAccessor& target) const;
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115
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116 void ToMatlabString(std::string& target) const;
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117
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118 void GetRegion(ImageAccessor& accessor,
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119 unsigned int x,
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120 unsigned int y,
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121 unsigned int width,
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122 unsigned int height) const;
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123
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124 void SetFormat(PixelFormat format);
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125 };
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126 }