Mercurial > hg > orthanc
annotate Core/Images/ImageAccessor.h @ 3185:c6dab987f43a
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author | Alain Mazy <alain@mazy.be> |
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date | Fri, 01 Feb 2019 17:53:40 +0100 |
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1 /** |
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2 * Orthanc - A Lightweight, RESTful DICOM Store |
1900 | 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 General Public License as |
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9 * published by the Free Software Foundation, either version 3 of the |
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10 * License, or (at your option) any later version. |
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11 * |
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12 * In addition, as a special exception, the copyright holders of this |
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13 * program give permission to link the code of its release with the |
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14 * OpenSSL project's "OpenSSL" library (or with modified versions of it |
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15 * that use the same license as the "OpenSSL" library), and distribute |
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16 * the linked executables. You must obey the GNU General Public License |
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17 * in all respects for all of the code used other than "OpenSSL". If you |
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18 * modify file(s) with this exception, you may extend this exception to |
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19 * your version of the file(s), but you are not obligated to do so. If |
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20 * you do not wish to do so, delete this exception statement from your |
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21 * version. If you delete this exception statement from all source files |
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22 * in the program, then also delete it here. |
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23 * |
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24 * This program is distributed in the hope that it will be useful, but |
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25 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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26 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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27 * General Public License for more details. |
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28 * |
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29 * You should have received a copy of the GNU General Public License |
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30 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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31 **/ |
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32 |
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33 |
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34 #pragma once |
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35 |
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36 #include "../Enumerations.h" |
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37 |
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38 #include <string> |
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39 #include <stdint.h> |
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40 #include <boost/noncopyable.hpp> |
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41 |
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42 namespace Orthanc |
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43 { |
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44 class ImageAccessor : public boost::noncopyable |
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45 { |
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46 private: |
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47 template <Orthanc::PixelFormat Format> |
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48 friend struct ImageTraits; |
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49 |
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50 bool readOnly_; |
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51 PixelFormat format_; |
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52 unsigned int width_; |
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53 unsigned int height_; |
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54 unsigned int pitch_; |
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55 uint8_t *buffer_; |
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56 |
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57 template <typename T> |
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58 const T& GetPixelUnchecked(unsigned int x, |
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59 unsigned int y) const |
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60 { |
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61 const uint8_t* row = reinterpret_cast<const uint8_t*>(buffer_) + y * pitch_; |
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62 return reinterpret_cast<const T*>(row) [x]; |
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63 } |
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64 |
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65 |
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66 template <typename T> |
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67 T& GetPixelUnchecked(unsigned int x, |
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68 unsigned int y) |
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69 { |
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70 uint8_t* row = reinterpret_cast<uint8_t*>(buffer_) + y * pitch_; |
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71 return reinterpret_cast<T*>(row) [x]; |
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72 } |
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73 |
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74 public: |
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75 ImageAccessor() |
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76 { |
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77 AssignEmpty(PixelFormat_Grayscale8); |
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78 } |
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79 |
1605 | 80 virtual ~ImageAccessor() |
81 { | |
82 } | |
83 | |
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84 bool IsReadOnly() const |
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85 { |
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86 return readOnly_; |
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87 } |
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88 |
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89 PixelFormat GetFormat() const |
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90 { |
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91 return format_; |
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92 } |
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93 |
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94 unsigned int GetBytesPerPixel() const |
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95 { |
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96 return ::Orthanc::GetBytesPerPixel(format_); |
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97 } |
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98 |
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99 unsigned int GetWidth() const |
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100 { |
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101 return width_; |
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102 } |
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103 |
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104 unsigned int GetHeight() const |
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105 { |
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106 return height_; |
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107 } |
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108 |
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109 unsigned int GetPitch() const |
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110 { |
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111 return pitch_; |
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112 } |
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113 |
844 | 114 unsigned int GetSize() const |
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116 return GetHeight() * GetPitch(); | |
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118 | |
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119 const void* GetConstBuffer() const |
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120 { |
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121 return buffer_; |
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122 } |
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123 |
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124 void* GetBuffer() const; |
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125 |
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126 const void* GetConstRow(unsigned int y) const; |
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127 |
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128 void* GetRow(unsigned int y) const; |
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129 |
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130 void AssignEmpty(PixelFormat format); |
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131 |
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132 void AssignReadOnly(PixelFormat format, |
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133 unsigned int width, |
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134 unsigned int height, |
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135 unsigned int pitch, |
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136 const void *buffer); |
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137 |
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138 void GetReadOnlyAccessor(ImageAccessor& target) const |
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139 { |
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140 target.AssignReadOnly(format_, width_, height_, pitch_, buffer_); |
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141 } |
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142 |
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143 void AssignWritable(PixelFormat format, |
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144 unsigned int width, |
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145 unsigned int height, |
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146 unsigned int pitch, |
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147 void *buffer); |
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148 |
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149 void GetWriteableAccessor(ImageAccessor& target) const; |
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150 |
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151 void ToMatlabString(std::string& target) const; |
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152 |
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153 void GetRegion(ImageAccessor& accessor, |
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154 unsigned int x, |
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155 unsigned int y, |
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156 unsigned int width, |
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157 unsigned int height) const; |
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158 |
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159 void SetFormat(PixelFormat format); |
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160 }; |
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161 } |