Mercurial > hg > orthanc
annotate OrthancCppClient/Instance.cpp @ 1202:476a17cfdf42
Fix crash when bad HTTP credentials are provided
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Mon, 27 Oct 2014 13:45:36 +0100 |
parents | a811bdf8b8eb |
children | 6e7e5ed91c2d |
rev | line source |
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1 /** |
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2 * Orthanc - A Lightweight, RESTful DICOM Store |
689 | 3 * Copyright (C) 2012-2014 Medical Physics Department, CHU of Liege, |
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4 * 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 General Public License as |
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8 * published by the Free Software Foundation, either version 3 of the |
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9 * License, or (at your option) any later version. |
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10 * |
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11 * In addition, as a special exception, the copyright holders of this |
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12 * program give permission to link the code of its release with the |
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13 * OpenSSL project's "OpenSSL" library (or with modified versions of it |
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14 * that use the same license as the "OpenSSL" library), and distribute |
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15 * the linked executables. You must obey the GNU General Public License |
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16 * in all respects for all of the code used other than "OpenSSL". If you |
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17 * modify file(s) with this exception, you may extend this exception to |
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18 * your version of the file(s), but you are not obligated to do so. If |
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19 * you do not wish to do so, delete this exception statement from your |
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20 * version. If you delete this exception statement from all source files |
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21 * in the program, then also delete it here. |
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22 * |
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23 * This program is distributed in the hope that it will be useful, but |
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24 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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25 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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26 * General Public License for more details. |
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27 * |
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28 * You should have received a copy of the GNU General Public License |
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29 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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30 **/ |
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31 |
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32 |
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33 #include "../Core/PrecompiledHeaders.h" |
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34 #include "Instance.h" |
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35 |
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36 #include "OrthancConnection.h" |
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37 |
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38 #include <boost/lexical_cast.hpp> |
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39 |
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40 namespace OrthancClient |
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41 { |
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42 void Instance::DownloadImage() |
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43 { |
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44 if (reader_.get() == NULL) |
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45 { |
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46 const char* suffix; |
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47 switch (mode_) |
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48 { |
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49 case Orthanc::ImageExtractionMode_Preview: |
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50 suffix = "preview"; |
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51 break; |
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52 |
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53 case Orthanc::ImageExtractionMode_UInt8: |
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54 suffix = "image-uint8"; |
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55 break; |
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56 |
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57 case Orthanc::ImageExtractionMode_UInt16: |
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58 suffix = "image-uint16"; |
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59 break; |
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60 |
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61 case Orthanc::ImageExtractionMode_Int16: |
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62 suffix = "image-int16"; |
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63 break; |
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64 |
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65 default: |
504 | 66 throw OrthancClientException(Orthanc::ErrorCode_NotImplemented); |
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67 } |
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68 |
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69 Orthanc::HttpClient client(connection_.GetHttpClient()); |
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70 client.SetUrl(std::string(connection_.GetOrthancUrl()) + "/instances/" + id_ + "/" + suffix); |
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71 std::string png; |
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72 |
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73 if (!client.Apply(png)) |
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74 { |
504 | 75 throw OrthancClientException(Orthanc::ErrorCode_NotImplemented); |
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76 } |
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77 |
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78 reader_.reset(new Orthanc::PngReader); |
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79 reader_->ReadFromMemory(png); |
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80 } |
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81 } |
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82 |
540 | 83 void Instance::DownloadDicom() |
84 { | |
85 if (dicom_.get() == NULL) | |
86 { | |
87 Orthanc::HttpClient client(connection_.GetHttpClient()); | |
88 client.SetUrl(std::string(connection_.GetOrthancUrl()) + "/instances/" + id_ + "/file"); | |
89 | |
90 dicom_.reset(new std::string); | |
91 | |
92 if (!client.Apply(*dicom_)) | |
93 { | |
94 throw OrthancClientException(Orthanc::ErrorCode_NetworkProtocol); | |
95 } | |
96 } | |
97 } | |
98 | |
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99 Instance::Instance(const OrthancConnection& connection, |
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100 const char* id) : |
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101 connection_(connection), |
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102 id_(id), |
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103 mode_(Orthanc::ImageExtractionMode_Int16) |
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104 { |
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105 Orthanc::HttpClient client(connection_.GetHttpClient()); |
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106 |
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107 client.SetUrl(std::string(connection_.GetOrthancUrl()) + "/instances/" + id_ + "/simplified-tags"); |
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108 Json::Value v; |
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109 if (!client.Apply(tags_)) |
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110 { |
504 | 111 throw OrthancClientException(Orthanc::ErrorCode_NetworkProtocol); |
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112 } |
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113 } |
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114 |
500 | 115 const char* Instance::GetTagAsString(const char* tag) const |
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116 { |
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117 if (tags_.isMember(tag)) |
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118 { |
500 | 119 return tags_[tag].asCString(); |
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120 } |
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121 else |
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122 { |
504 | 123 throw OrthancClientException(Orthanc::ErrorCode_InexistentItem); |
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124 } |
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125 } |
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126 |
500 | 127 float Instance::GetTagAsFloat(const char* tag) const |
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128 { |
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129 std::string value = GetTagAsString(tag); |
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130 |
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131 try |
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132 { |
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133 return boost::lexical_cast<float>(value); |
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134 } |
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135 catch (boost::bad_lexical_cast) |
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136 { |
504 | 137 throw OrthancClientException(Orthanc::ErrorCode_BadFileFormat); |
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138 } |
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139 } |
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140 |
500 | 141 int Instance::GetTagAsInt(const char* tag) const |
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142 { |
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143 std::string value = GetTagAsString(tag); |
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144 |
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145 try |
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146 { |
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147 return boost::lexical_cast<int>(value); |
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148 } |
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149 catch (boost::bad_lexical_cast) |
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150 { |
504 | 151 throw OrthancClientException(Orthanc::ErrorCode_BadFileFormat); |
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152 } |
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153 } |
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154 |
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155 unsigned int Instance::GetWidth() |
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156 { |
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157 DownloadImage(); |
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158 return reader_->GetWidth(); |
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159 } |
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160 |
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161 unsigned int Instance::GetHeight() |
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162 { |
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163 DownloadImage(); |
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164 return reader_->GetHeight(); |
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165 } |
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166 |
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167 unsigned int Instance::GetPitch() |
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168 { |
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169 DownloadImage(); |
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170 return reader_->GetPitch(); |
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171 } |
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172 |
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173 Orthanc::PixelFormat Instance::GetPixelFormat() |
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174 { |
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175 DownloadImage(); |
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176 return reader_->GetFormat(); |
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177 } |
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178 |
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179 const void* Instance::GetBuffer() |
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180 { |
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181 DownloadImage(); |
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182 return reader_->GetConstBuffer(); |
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183 } |
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184 |
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185 const void* Instance::GetBuffer(unsigned int y) |
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186 { |
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187 DownloadImage(); |
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188 return reader_->GetConstRow(y); |
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189 } |
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190 |
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191 void Instance::DiscardImage() |
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192 { |
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193 reader_.reset(); |
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194 } |
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195 |
540 | 196 void Instance::DiscardDicom() |
197 { | |
198 dicom_.reset(); | |
199 } | |
200 | |
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201 |
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202 void Instance::SetImageExtractionMode(Orthanc::ImageExtractionMode mode) |
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203 { |
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204 if (mode_ == mode) |
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205 { |
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206 return; |
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207 } |
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208 |
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209 DiscardImage(); |
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210 mode_ = mode; |
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211 } |
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212 |
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213 |
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214 void Instance::SplitVectorOfFloats(std::vector<float>& target, |
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215 const char* tag) |
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216 { |
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217 const std::string value = GetTagAsString(tag); |
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218 |
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219 target.clear(); |
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220 |
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221 try |
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222 { |
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223 std::string tmp; |
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224 for (size_t i = 0; i < value.size(); i++) |
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225 { |
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226 if (value[i] == '\\') |
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227 { |
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228 target.push_back(boost::lexical_cast<float>(tmp)); |
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229 tmp.clear(); |
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230 } |
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231 else |
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232 { |
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233 tmp.push_back(value[i]); |
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234 } |
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235 } |
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236 |
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237 target.push_back(boost::lexical_cast<float>(tmp)); |
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238 } |
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239 catch (boost::bad_lexical_cast) |
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240 { |
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241 // Unable to parse the Image Orientation Patient. |
504 | 242 throw OrthancClientException(Orthanc::ErrorCode_BadFileFormat); |
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243 } |
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244 } |
540 | 245 |
246 | |
247 const uint64_t Instance::GetDicomSize() | |
248 { | |
249 DownloadDicom(); | |
250 assert(dicom_.get() != NULL); | |
251 return dicom_->size(); | |
252 } | |
253 | |
254 const void* Instance::GetDicom() | |
255 { | |
256 DownloadDicom(); | |
257 assert(dicom_.get() != NULL); | |
258 | |
259 if (dicom_->size() == 0) | |
260 { | |
261 return NULL; | |
262 } | |
263 else | |
264 { | |
265 return &((*dicom_) [0]); | |
266 } | |
267 } | |
268 | |
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269 |
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270 void Instance::LoadTagContent(const char* path) |
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271 { |
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272 Orthanc::HttpClient client(connection_.GetHttpClient()); |
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273 client.SetUrl(std::string(connection_.GetOrthancUrl()) + "/instances/" + id_ + "/content/" + path); |
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274 |
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275 if (!client.Apply(content_)) |
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276 { |
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277 throw OrthancClientException(Orthanc::ErrorCode_UnknownResource); |
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278 } |
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279 } |
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280 |
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281 |
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282 const char* Instance::GetLoadedTagContent() const |
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283 { |
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284 return content_.c_str(); |
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285 } |
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286 } |