Mercurial > hg > orthanc
annotate Core/Images/ImageAccessor.cpp @ 2932:00504dcc996f
"SynchronousCMove" is now "true" by default
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 15 Nov 2018 11:35:35 +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) 2017-2018 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 #include "../PrecompiledHeaders.h" |
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35 #include "ImageAccessor.h" |
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36 |
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37 #include "../Logging.h" |
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38 #include "../OrthancException.h" |
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39 #include "../ChunkedBuffer.h" |
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40 |
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41 #include <stdint.h> |
860 | 42 #include <cassert> |
1397 | 43 #include <boost/lexical_cast.hpp> |
44 | |
45 | |
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46 |
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47 namespace Orthanc |
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48 { |
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49 template <typename PixelType> |
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50 static void ToMatlabStringInternal(ChunkedBuffer& target, |
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51 const ImageAccessor& source) |
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52 { |
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53 target.AddChunk("double([ "); |
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54 |
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55 for (unsigned int y = 0; y < source.GetHeight(); y++) |
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56 { |
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57 const PixelType* p = reinterpret_cast<const PixelType*>(source.GetConstRow(y)); |
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58 |
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59 std::string s; |
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60 if (y > 0) |
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61 { |
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62 s = "; "; |
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63 } |
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64 |
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65 s.reserve(source.GetWidth() * 8); |
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66 |
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67 for (unsigned int x = 0; x < source.GetWidth(); x++, p++) |
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68 { |
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69 s += boost::lexical_cast<std::string>(static_cast<double>(*p)) + " "; |
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70 } |
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71 |
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72 target.AddChunk(s); |
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73 } |
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74 |
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75 target.AddChunk("])"); |
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76 } |
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77 |
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78 |
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79 static void RGB24ToMatlabString(ChunkedBuffer& target, |
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80 const ImageAccessor& source) |
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81 { |
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82 assert(source.GetFormat() == PixelFormat_RGB24); |
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83 |
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84 target.AddChunk("double(permute(reshape([ "); |
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85 |
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86 for (unsigned int y = 0; y < source.GetHeight(); y++) |
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87 { |
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88 const uint8_t* p = reinterpret_cast<const uint8_t*>(source.GetConstRow(y)); |
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89 |
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90 std::string s; |
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91 s.reserve(source.GetWidth() * 3 * 8); |
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92 |
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93 for (unsigned int x = 0; x < 3 * source.GetWidth(); x++, p++) |
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94 { |
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95 s += boost::lexical_cast<std::string>(static_cast<int>(*p)) + " "; |
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96 } |
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97 |
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98 target.AddChunk(s); |
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99 } |
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100 |
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101 target.AddChunk("], [ 3 " + boost::lexical_cast<std::string>(source.GetHeight()) + |
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102 " " + boost::lexical_cast<std::string>(source.GetWidth()) + " ]), [ 3 2 1 ]))"); |
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103 } |
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104 |
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105 |
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106 void* ImageAccessor::GetBuffer() const |
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107 { |
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108 if (readOnly_) |
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109 { |
1491 | 110 #if ORTHANC_ENABLE_LOGGING == 1 |
861 | 111 LOG(ERROR) << "Trying to write on a read-only image"; |
1491 | 112 #endif |
113 | |
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114 throw OrthancException(ErrorCode_ReadOnly); |
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115 } |
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116 |
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117 return buffer_; |
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118 } |
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119 |
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120 |
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121 const void* ImageAccessor::GetConstRow(unsigned int y) const |
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122 { |
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123 if (buffer_ != NULL) |
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124 { |
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125 return buffer_ + y * pitch_; |
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126 } |
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127 else |
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128 { |
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129 return NULL; |
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130 } |
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131 } |
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132 |
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133 |
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134 void* ImageAccessor::GetRow(unsigned int y) const |
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135 { |
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136 if (readOnly_) |
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137 { |
1491 | 138 #if ORTHANC_ENABLE_LOGGING == 1 |
861 | 139 LOG(ERROR) << "Trying to write on a read-only image"; |
1491 | 140 #endif |
141 | |
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142 throw OrthancException(ErrorCode_ReadOnly); |
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143 } |
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144 |
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145 if (buffer_ != NULL) |
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146 { |
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147 return buffer_ + y * pitch_; |
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148 } |
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149 else |
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150 { |
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151 return NULL; |
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152 } |
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153 } |
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154 |
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155 |
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156 void ImageAccessor::AssignEmpty(PixelFormat format) |
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157 { |
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158 readOnly_ = false; |
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159 format_ = format; |
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160 width_ = 0; |
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161 height_ = 0; |
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162 pitch_ = 0; |
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163 buffer_ = NULL; |
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164 } |
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165 |
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166 |
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167 void ImageAccessor::AssignReadOnly(PixelFormat format, |
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168 unsigned int width, |
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169 unsigned int height, |
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170 unsigned int pitch, |
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171 const void *buffer) |
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172 { |
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173 readOnly_ = true; |
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174 format_ = format; |
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175 width_ = width; |
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176 height_ = height; |
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177 pitch_ = pitch; |
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178 buffer_ = reinterpret_cast<uint8_t*>(const_cast<void*>(buffer)); |
860 | 179 |
1916 | 180 if (GetBytesPerPixel() * width_ > pitch_) |
181 { | |
182 throw OrthancException(ErrorCode_ParameterOutOfRange); | |
183 } | |
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184 } |
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185 |
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186 |
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187 void ImageAccessor::AssignWritable(PixelFormat format, |
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188 unsigned int width, |
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189 unsigned int height, |
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190 unsigned int pitch, |
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191 void *buffer) |
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192 { |
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193 readOnly_ = false; |
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194 format_ = format; |
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195 width_ = width; |
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196 height_ = height; |
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197 pitch_ = pitch; |
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198 buffer_ = reinterpret_cast<uint8_t*>(buffer); |
860 | 199 |
1916 | 200 if (GetBytesPerPixel() * width_ > pitch_) |
201 { | |
202 throw OrthancException(ErrorCode_ParameterOutOfRange); | |
203 } | |
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204 } |
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205 |
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206 |
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207 void ImageAccessor::GetWriteableAccessor(ImageAccessor& target) const |
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208 { |
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209 if (readOnly_) |
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210 { |
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211 throw OrthancException(ErrorCode_ReadOnly); |
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212 } |
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213 else |
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214 { |
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215 target.AssignWritable(format_, width_, height_, pitch_, buffer_); |
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216 } |
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217 } |
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218 |
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219 |
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220 void ImageAccessor::ToMatlabString(std::string& target) const |
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221 { |
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222 ChunkedBuffer buffer; |
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223 |
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224 switch (GetFormat()) |
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225 { |
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226 case PixelFormat_Grayscale8: |
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227 ToMatlabStringInternal<uint8_t>(buffer, *this); |
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228 break; |
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229 |
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230 case PixelFormat_Grayscale16: |
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231 ToMatlabStringInternal<uint16_t>(buffer, *this); |
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232 break; |
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233 |
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234 case PixelFormat_Grayscale32: |
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235 ToMatlabStringInternal<uint32_t>(buffer, *this); |
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236 break; |
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237 |
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238 case PixelFormat_Grayscale64: |
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239 ToMatlabStringInternal<uint64_t>(buffer, *this); |
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240 break; |
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241 |
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242 case PixelFormat_SignedGrayscale16: |
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243 ToMatlabStringInternal<int16_t>(buffer, *this); |
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244 break; |
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245 |
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246 case PixelFormat_Float32: |
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247 ToMatlabStringInternal<float>(buffer, *this); |
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248 break; |
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249 |
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250 case PixelFormat_RGB24: |
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251 RGB24ToMatlabString(buffer, *this); |
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252 break; |
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253 |
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254 default: |
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255 throw OrthancException(ErrorCode_NotImplemented); |
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256 } |
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257 |
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258 buffer.Flatten(target); |
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259 } |
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260 |
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261 |
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262 |
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263 void ImageAccessor::GetRegion(ImageAccessor& accessor, |
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264 unsigned int x, |
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265 unsigned int y, |
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266 unsigned int width, |
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267 unsigned int height) const |
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268 { |
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269 if (x + width > width_ || |
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270 y + height > height_) |
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271 { |
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272 throw OrthancException(ErrorCode_ParameterOutOfRange); |
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273 } |
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274 |
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275 if (width == 0 || |
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276 height == 0) |
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277 { |
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278 accessor.AssignWritable(format_, 0, 0, 0, NULL); |
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279 } |
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280 else |
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281 { |
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282 uint8_t* p = (buffer_ + |
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283 y * pitch_ + |
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284 x * GetBytesPerPixel()); |
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285 |
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286 if (readOnly_) |
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287 { |
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288 accessor.AssignReadOnly(format_, width, height, pitch_, p); |
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289 } |
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290 else |
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291 { |
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292 accessor.AssignWritable(format_, width, height, pitch_, p); |
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293 } |
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294 } |
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295 } |
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296 |
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297 |
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298 void ImageAccessor::SetFormat(PixelFormat format) |
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299 { |
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300 if (readOnly_) |
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301 { |
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302 #if ORTHANC_ENABLE_LOGGING == 1 |
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303 LOG(ERROR) << "Trying to modify the format of a read-only image"; |
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304 #endif |
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305 throw OrthancException(ErrorCode_ReadOnly); |
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306 } |
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307 |
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308 if (::Orthanc::GetBytesPerPixel(format) != ::Orthanc::GetBytesPerPixel(format_)) |
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309 { |
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310 throw OrthancException(ErrorCode_IncompatibleImageFormat); |
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311 } |
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312 |
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313 format_ = format; |
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314 } |
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315 } |