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annotate OrthancFramework/Sources/Images/ImageAccessor.h @ 5853:4d932683049d get-scu tip

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very first implementation of C-Get SCU
author Alain Mazy <am@orthanc.team>
date Tue, 29 Oct 2024 17:25:49 +0100
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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) 2024-2024 Orthanc Team SRL, Belgium
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7 * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium
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8 *
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9 * This program is free software: you can redistribute it and/or
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10 * modify it under the terms of the GNU Lesser General Public License
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11 * as published by the Free Software Foundation, either version 3 of
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12 * the License, or (at your option) any later version.
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13 *
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14 * This program is distributed in the hope that it will be useful, but
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15 * WITHOUT ANY WARRANTY; without even the implied warranty of
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16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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17 * Lesser General Public License for more details.
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18 *
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19 * You should have received a copy of the GNU Lesser General Public
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20 * License along with this program. If not, see
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21 * <http://www.gnu.org/licenses/>.
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22 **/
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23
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24
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25 #pragma once
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26
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27 #include "../Compatibility.h"
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28 #include "../Enumerations.h"
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29
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30 #include <string>
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31 #include <stdint.h>
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32 #include <boost/noncopyable.hpp>
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33
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34 namespace Orthanc
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35 {
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36 class ORTHANC_PUBLIC ImageAccessor : public boost::noncopyable
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37 {
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38 private:
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39 template <PixelFormat Format>
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40 friend struct ImageTraits;
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41
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42 bool readOnly_;
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43 PixelFormat format_;
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44 unsigned int width_;
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45 unsigned int height_;
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46 unsigned int pitch_;
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47 uint8_t *buffer_;
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48
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49 template <typename T>
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50 const T& GetPixelUnchecked(unsigned int x,
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51 unsigned int y) const
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52 {
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53 const uint8_t* row = reinterpret_cast<const uint8_t*>(buffer_) + y * pitch_;
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54 return reinterpret_cast<const T*>(row) [x];
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55 }
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56
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57
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58 template <typename T>
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59 T& GetPixelUnchecked(unsigned int x,
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60 unsigned int y)
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61 {
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62 uint8_t* row = reinterpret_cast<uint8_t*>(buffer_) + y * pitch_;
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63 return reinterpret_cast<T*>(row) [x];
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64 }
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65
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66 #if ORTHANC_BUILDING_FRAMEWORK_LIBRARY == 1
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67 // Alias for binary compatibility with Orthanc Framework 1.7.2 => don't use it anymore
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68 void* GetBuffer() const;
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69 void* GetRow(unsigned int y) const;
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70 #endif
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71
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72 public:
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73 ImageAccessor();
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74
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75 virtual ~ImageAccessor();
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76
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77 bool IsReadOnly() const;
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78
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79 PixelFormat GetFormat() const;
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80
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81 unsigned int GetBytesPerPixel() const;
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82
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83 unsigned int GetWidth() const;
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84
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85 unsigned int GetHeight() const;
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86
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87 unsigned int GetPitch() const;
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88
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89 size_t GetSize() const;
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90
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91 const void* GetConstBuffer() const;
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92
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93 void* GetBuffer();
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94
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95 const void* GetConstRow(unsigned int y) const;
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96
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97 void* GetRow(unsigned int y);
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98
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99 void AssignEmpty(PixelFormat format);
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100
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101 void AssignReadOnly(PixelFormat format,
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102 unsigned int width,
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103 unsigned int height,
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104 unsigned int pitch,
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105 const void *buffer);
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106
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107 void GetReadOnlyAccessor(ImageAccessor& target) const;
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108
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109 void AssignWritable(PixelFormat format,
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110 unsigned int width,
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111 unsigned int height,
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112 unsigned int pitch,
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113 void *buffer);
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114
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115 void GetWriteableAccessor(ImageAccessor& target) const;
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116
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117 void ToMatlabString(std::string& target) const;
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118
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119 void GetRegion(ImageAccessor& accessor,
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120 unsigned int x,
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121 unsigned int y,
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122 unsigned int width,
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123 unsigned int height) const;
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124
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125 void SetFormat(PixelFormat format);
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126 };
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127 }