Mercurial > hg > orthanc-stone
annotate Applications/Sdl/BasicSdlApplication.cpp @ 253:8ff70c04c6df am-2
IObservable/IObserver now working in WASM too
author | am@osimis.io |
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date | Tue, 03 Jul 2018 10:48:47 +0200 |
parents | 192e6e349e69 |
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1 /** |
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2 * Stone of Orthanc |
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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) 2017-2018 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 Affero General Public License |
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9 * as published by the Free Software Foundation, either version 3 of |
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10 * the 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 * Affero 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 Affero 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 #if ORTHANC_ENABLE_SDL != 1 |
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23 #error this file shall be included only with the ORTHANC_ENABLE_SDL set to 1 |
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24 #endif |
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25 |
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26 #include "BasicSdlApplication.h" |
243 | 27 #include <boost/program_options.hpp> |
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28 |
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29 #include "../../Framework/Toolbox/MessagingToolbox.h" |
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30 #include "SdlEngine.h" |
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31 |
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32 #include <Core/Logging.h> |
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33 #include <Core/HttpClient.h> |
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34 #include <Plugins/Samples/Common/OrthancHttpConnection.h> |
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35 |
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36 namespace OrthancStone |
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37 { |
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38 // Anonymous namespace to avoid clashes against other compilation modules |
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39 namespace |
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40 { |
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41 class LogStatusBar : public IStatusBar |
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42 { |
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43 public: |
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44 virtual void ClearMessage() |
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45 { |
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46 } |
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47 |
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48 virtual void SetMessage(const std::string& message) |
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49 { |
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50 LOG(WARNING) << message; |
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51 } |
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52 }; |
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53 } |
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54 |
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55 |
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56 static void DeclareSdlCommandLineOptions(boost::program_options::options_description& options) |
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57 { |
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58 // Declare the supported parameters |
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59 boost::program_options::options_description generic("Generic options"); |
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60 generic.add_options() |
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61 ("help", "Display this help and exit") |
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62 ("verbose", "Be verbose in logs") |
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63 ("orthanc", boost::program_options::value<std::string>()->default_value("http://localhost:8042/"), |
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64 "URL to the Orthanc server") |
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65 ("username", "Username for the Orthanc server") |
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66 ("password", "Password for the Orthanc server") |
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67 ("https-verify", boost::program_options::value<bool>()->default_value(true), "Check HTTPS certificates") |
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68 ; |
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69 |
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70 options.add(generic); |
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71 |
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72 boost::program_options::options_description sdl("SDL options"); |
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73 sdl.add_options() |
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74 ("width", boost::program_options::value<int>()->default_value(1024), "Initial width of the SDL window") |
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75 ("height", boost::program_options::value<int>()->default_value(768), "Initial height of the SDL window") |
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76 ("opengl", boost::program_options::value<bool>()->default_value(true), "Enable OpenGL in SDL") |
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77 ; |
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78 |
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79 options.add(sdl); |
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80 } |
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81 |
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82 |
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83 int BasicSdlApplication::ExecuteWithSdl(MessageBroker& broker, |
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84 IBasicApplication& application, |
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85 int argc, |
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86 char* argv[]) |
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87 { |
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88 /****************************************************************** |
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89 * Initialize all the subcomponents of Orthanc Stone |
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90 ******************************************************************/ |
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91 |
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92 Orthanc::Logging::Initialize(); |
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93 Orthanc::HttpClient::InitializeOpenSsl(); |
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94 Orthanc::HttpClient::GlobalInitialize(); |
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95 SdlWindow::GlobalInitialize(); |
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96 |
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97 |
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98 /****************************************************************** |
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99 * Declare and parse the command-line options of the application |
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100 ******************************************************************/ |
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101 |
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102 boost::program_options::options_description options; |
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103 DeclareSdlCommandLineOptions(options); |
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104 application.DeclareStartupOptions(options); |
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105 |
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106 boost::program_options::variables_map parameters; |
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107 bool error = false; |
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108 |
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109 try |
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110 { |
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111 boost::program_options::store(boost::program_options::command_line_parser(argc, argv). |
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112 options(options).run(), parameters); |
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113 boost::program_options::notify(parameters); |
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114 } |
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115 catch (boost::program_options::error& e) |
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116 { |
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117 LOG(ERROR) << "Error while parsing the command-line arguments: " << e.what(); |
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118 error = true; |
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119 } |
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120 |
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121 |
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122 /****************************************************************** |
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123 * Configure the application with the command-line parameters |
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124 ******************************************************************/ |
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125 |
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126 if (error || parameters.count("help")) |
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127 { |
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128 std::cout << std::endl |
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129 << "Usage: " << argv[0] << " [OPTION]..." |
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130 << std::endl |
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131 << "Orthanc, lightweight, RESTful DICOM server for healthcare and medical research." |
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132 << std::endl << std::endl |
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133 << "Demonstration application of Orthanc Stone using SDL." |
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134 << std::endl; |
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135 |
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136 std::cout << options << "\n"; |
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137 return error ? -1 : 0; |
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138 } |
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139 |
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140 if (parameters.count("https-verify") && |
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141 !parameters["https-verify"].as<bool>()) |
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142 { |
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143 LOG(WARNING) << "Turning off verification of HTTPS certificates (unsafe)"; |
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144 Orthanc::HttpClient::ConfigureSsl(false, ""); |
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145 } |
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146 |
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147 if (parameters.count("verbose")) |
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148 { |
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149 Orthanc::Logging::EnableInfoLevel(true); |
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150 } |
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151 |
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152 if (!parameters.count("width") || |
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153 !parameters.count("height") || |
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154 !parameters.count("opengl")) |
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155 { |
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156 LOG(ERROR) << "Parameter \"width\", \"height\" or \"opengl\" is missing"; |
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157 return -1; |
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158 } |
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159 |
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160 int w = parameters["width"].as<int>(); |
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161 int h = parameters["height"].as<int>(); |
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162 if (w <= 0 || h <= 0) |
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163 { |
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164 LOG(ERROR) << "Parameters \"width\" and \"height\" must be positive"; |
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165 return -1; |
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166 } |
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167 |
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168 unsigned int width = static_cast<unsigned int>(w); |
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169 unsigned int height = static_cast<unsigned int>(h); |
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170 LOG(WARNING) << "Initial display size: " << width << "x" << height; |
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171 |
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172 bool opengl = parameters["opengl"].as<bool>(); |
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173 if (opengl) |
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174 { |
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175 LOG(WARNING) << "OpenGL is enabled, disable it with option \"--opengl=off\" if the application crashes"; |
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176 } |
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177 else |
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178 { |
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179 LOG(WARNING) << "OpenGL is disabled, enable it with option \"--opengl=on\" for best performance"; |
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180 } |
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181 |
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182 bool success = true; |
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183 try |
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184 { |
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185 /**************************************************************** |
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186 * Initialize the connection to the Orthanc server |
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187 ****************************************************************/ |
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188 |
242 | 189 Orthanc::WebServiceParameters webServiceParameters; |
221
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190 |
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191 if (parameters.count("orthanc")) |
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192 { |
242 | 193 webServiceParameters.SetUrl(parameters["orthanc"].as<std::string>()); |
221
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194 } |
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195 |
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196 if (parameters.count("username")) |
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197 { |
242 | 198 webServiceParameters.SetUsername(parameters["username"].as<std::string>()); |
221
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199 } |
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200 |
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201 if (parameters.count("password")) |
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202 { |
242 | 203 webServiceParameters.SetPassword(parameters["password"].as<std::string>()); |
221
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204 } |
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205 |
242 | 206 LOG(WARNING) << "URL to the Orthanc REST API: " << webServiceParameters.GetUrl(); |
221
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207 |
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208 { |
242 | 209 OrthancPlugins::OrthancHttpConnection orthanc(webServiceParameters); |
221
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210 if (!MessagingToolbox::CheckOrthancVersion(orthanc)) |
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211 { |
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212 LOG(ERROR) << "Your version of Orthanc is incompatible with Stone of Orthanc, please upgrade"; |
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213 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol); |
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214 } |
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215 } |
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216 |
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217 |
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218 /**************************************************************** |
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219 * Initialize the application |
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220 ****************************************************************/ |
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221 |
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222 LOG(WARNING) << "Creating the widgets of the application"; |
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223 |
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224 LogStatusBar statusBar; |
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225 |
242 | 226 boost::mutex stoneGlobalMutex; |
227 Oracle oracle(stoneGlobalMutex, 4); // use 4 threads to download content | |
251
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228 OracleWebService webService(broker, oracle, webServiceParameters); |
242 | 229 BasicSdlApplicationContext context(webService); |
230 | |
231 application.Initialize(&context, statusBar, parameters); | |
221
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232 |
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233 { |
222 | 234 BasicSdlApplicationContext::ViewportLocker locker(context); |
242 | 235 context.SetCentralWidget(application.GetCentralWidget()); |
221
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236 locker.GetViewport().SetStatusBar(statusBar); |
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237 } |
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238 |
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239 std::string title = application.GetTitle(); |
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240 if (title.empty()) |
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241 { |
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242 title = "Stone of Orthanc"; |
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243 } |
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244 |
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245 { |
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246 /************************************************************** |
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247 * Run the application inside a SDL window |
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248 **************************************************************/ |
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249 |
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250 LOG(WARNING) << "Starting the application"; |
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251 |
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252 SdlWindow window(title.c_str(), width, height, opengl); |
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253 SdlEngine sdl(window, context); |
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254 |
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255 { |
222 | 256 BasicSdlApplicationContext::ViewportLocker locker(context); |
221
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257 locker.GetViewport().Register(sdl); // (*) |
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258 } |
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259 |
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260 context.Start(); |
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261 sdl.Run(); |
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262 |
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263 LOG(WARNING) << "Stopping the application"; |
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264 |
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265 // Don't move the "Stop()" command below out of the block, |
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266 // otherwise the application might crash, because the |
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267 // "SdlEngine" is an observer of the viewport (*) and the |
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268 // update thread started by "context.Start()" would call a |
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269 // destructed object (the "SdlEngine" is deleted with the |
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270 // lexical scope). |
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271 context.Stop(); |
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272 } |
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273 |
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274 |
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275 /**************************************************************** |
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276 * Finalize the application |
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277 ****************************************************************/ |
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278 |
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279 LOG(WARNING) << "The application has stopped"; |
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280 application.Finalize(); |
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281 } |
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282 catch (Orthanc::OrthancException& e) |
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283 { |
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284 LOG(ERROR) << "EXCEPTION: " << e.What(); |
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285 success = false; |
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286 } |
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287 |
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288 |
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289 /****************************************************************** |
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290 * Finalize all the subcomponents of Orthanc Stone |
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291 ******************************************************************/ |
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292 |
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293 SdlWindow::GlobalFinalize(); |
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294 Orthanc::HttpClient::GlobalFinalize(); |
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295 Orthanc::HttpClient::FinalizeOpenSsl(); |
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296 |
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297 return (success ? 0 : -1); |
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298 } |
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299 |
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300 } |