Mercurial > hg > orthanc
annotate Plugins/Samples/AutomatedJpeg2kCompression/Plugin.cpp @ 3508:70524b4acc72
Name of temporary files now include the process ID to ease design of scripts cleaning /tmp
author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Thu, 29 Aug 2019 11:41:26 +0200 |
parents | 4e43e67f8ecf |
children | 94f4a18a79cc |
rev | line source |
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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 * This program is distributed in the hope that it will be useful, but |
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13 * WITHOUT ANY WARRANTY; without even the implied warranty of |
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14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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15 * General Public License for more details. |
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16 * |
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17 * You should have received a copy of the GNU General Public License |
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18 * along with this program. If not, see <http://www.gnu.org/licenses/>. |
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19 **/ |
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20 |
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21 |
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22 #include <orthanc/OrthancCPlugin.h> |
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23 |
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24 #include <string> |
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25 |
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26 static OrthancPluginContext* context_ = NULL; |
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27 |
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28 |
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29 static bool ReadFile(std::string& result, |
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30 const std::string& path) |
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31 { |
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32 OrthancPluginMemoryBuffer tmp; |
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33 if (OrthancPluginReadFile(context_, &tmp, path.c_str()) == OrthancPluginErrorCode_Success) |
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34 { |
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35 result.assign(reinterpret_cast<const char*>(tmp.data), tmp.size); |
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36 OrthancPluginFreeMemoryBuffer(context_, &tmp); |
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37 return true; |
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38 } |
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39 else |
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40 { |
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41 return false; |
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42 } |
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43 } |
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44 |
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45 |
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46 OrthancPluginErrorCode OnStoredCallback(OrthancPluginDicomInstance* instance, |
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47 const char* instanceId) |
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48 { |
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49 char buffer[1024]; |
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50 sprintf(buffer, "Just received a DICOM instance of size %d and ID %s from origin %d (AET %s)", |
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51 (int) OrthancPluginGetInstanceSize(context_, instance), instanceId, |
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52 OrthancPluginGetInstanceOrigin(context_, instance), |
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53 OrthancPluginGetInstanceRemoteAet(context_, instance)); |
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54 OrthancPluginLogInfo(context_, buffer); |
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55 |
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56 if (OrthancPluginGetInstanceOrigin(context_, instance) == OrthancPluginInstanceOrigin_Plugin) |
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57 { |
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58 // Do not compress twice the same file |
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59 return OrthancPluginErrorCode_Success; |
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60 } |
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61 |
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62 // Write the uncompressed DICOM content to some temporary file |
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63 std::string uncompressed = "uncompressed-" + std::string(instanceId) + ".dcm"; |
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64 OrthancPluginErrorCode error = OrthancPluginWriteFile(context_, uncompressed.c_str(), |
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65 OrthancPluginGetInstanceData(context_, instance), |
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66 OrthancPluginGetInstanceSize(context_, instance)); |
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67 if (error) |
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68 { |
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69 return error; |
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70 } |
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71 |
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72 // Remove the original DICOM instance |
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73 std::string uri = "/instances/" + std::string(instanceId); |
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74 error = OrthancPluginRestApiDelete(context_, uri.c_str()); |
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75 if (error) |
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76 { |
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77 return error; |
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78 } |
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79 |
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80 // Path to the temporary file that will contain the compressed DICOM content |
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81 std::string compressed = "compressed-" + std::string(instanceId) + ".dcm"; |
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82 |
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83 // Compress to JPEG2000 using gdcm |
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84 std::string command1 = "gdcmconv --j2k " + uncompressed + " " + compressed; |
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85 |
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86 // Generate a new SOPInstanceUID for the JPEG2000 file, as gdcmconv |
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87 // does not do this by itself |
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88 std::string command2 = "dcmodify --no-backup -gin " + compressed; |
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89 |
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90 // Make the required system calls |
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91 system(command1.c_str()); |
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92 system(command2.c_str()); |
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93 |
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94 // Read the result of the JPEG2000 compression |
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95 std::string j2k; |
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96 bool ok = ReadFile(j2k, compressed); |
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97 |
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98 // Remove the two temporary files |
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99 remove(compressed.c_str()); |
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100 remove(uncompressed.c_str()); |
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101 |
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102 if (!ok) |
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103 { |
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104 return OrthancPluginErrorCode_Plugin; |
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105 } |
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106 |
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107 // Upload the JPEG2000 file through the REST API |
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108 OrthancPluginMemoryBuffer tmp; |
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109 if (OrthancPluginRestApiPost(context_, &tmp, "/instances", j2k.c_str(), j2k.size())) |
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110 { |
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111 ok = false; |
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112 } |
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113 |
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114 if (ok) |
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115 { |
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116 OrthancPluginFreeMemoryBuffer(context_, &tmp); |
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117 } |
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118 |
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119 return ok ? OrthancPluginErrorCode_Success : OrthancPluginErrorCode_Plugin; |
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120 } |
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121 |
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122 |
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123 extern "C" |
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124 { |
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125 ORTHANC_PLUGINS_API int32_t OrthancPluginInitialize(OrthancPluginContext* c) |
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126 { |
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127 context_ = c; |
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128 |
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129 /* Check the version of the Orthanc core */ |
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130 if (OrthancPluginCheckVersion(c) == 0) |
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131 { |
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132 char info[1024]; |
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133 sprintf(info, "Your version of Orthanc (%s) must be above %d.%d.%d to run this plugin", |
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134 context_->orthancVersion, |
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135 ORTHANC_PLUGINS_MINIMAL_MAJOR_NUMBER, |
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136 ORTHANC_PLUGINS_MINIMAL_MINOR_NUMBER, |
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137 ORTHANC_PLUGINS_MINIMAL_REVISION_NUMBER); |
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138 OrthancPluginLogError(context_, info); |
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139 return -1; |
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140 } |
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141 |
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142 OrthancPluginRegisterOnStoredInstanceCallback(context_, OnStoredCallback); |
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143 |
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144 return 0; |
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145 } |
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146 |
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147 |
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148 ORTHANC_PLUGINS_API void OrthancPluginFinalize() |
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149 { |
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150 } |
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151 |
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152 |
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153 ORTHANC_PLUGINS_API const char* OrthancPluginGetName() |
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154 { |
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155 return "sample-jpeg2k"; |
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156 } |
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157 |
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158 |
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159 ORTHANC_PLUGINS_API const char* OrthancPluginGetVersion() |
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160 { |
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161 return "0.0"; |
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162 } |
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163 } |