Mercurial > hg > orthanc-stone

annotate Applications/Sdl/BasicSdlApplication.cpp @ 221:d7b2590744f8 am

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wip: building applications reusable in SDL and WASM
author am@osimis.io
date Mon, 11 Jun 2018 14:01:02 +0200
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children 84844649a8fd
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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"
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27
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28 #include "../../Framework/Toolbox/MessagingToolbox.h"
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29 #include "SdlEngine.h"
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30
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31 #include <Core/Logging.h>
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32 #include <Core/HttpClient.h>
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33 #include <Plugins/Samples/Common/OrthancHttpConnection.h>
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34
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35 namespace OrthancStone
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36 {
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37 // Anonymous namespace to avoid clashes against other compilation modules
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38 namespace
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39 {
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40 class LogStatusBar : public IStatusBar
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41 {
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42 public:
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43 virtual void ClearMessage()
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44 {
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45 }
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46
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47 virtual void SetMessage(const std::string& message)
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48 {
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49 LOG(WARNING) << message;
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50 }
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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 static void DeclareSdlCommandLineOptions(boost::program_options::options_description& options)
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56 {
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57 // Declare the supported parameters
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58 boost::program_options::options_description generic("Generic options");
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59 generic.add_options()
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60 ("help", "Display this help and exit")
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61 ("verbose", "Be verbose in logs")
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62 ("orthanc", boost::program_options::value<std::string>()->default_value("http://localhost:8042/"),
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63 "URL to the Orthanc server")
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64 ("username", "Username for the Orthanc server")
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65 ("password", "Password for the Orthanc server")
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66 ("https-verify", boost::program_options::value<bool>()->default_value(true), "Check HTTPS certificates")
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67 ;
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68
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69 options.add(generic);
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70
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71 boost::program_options::options_description sdl("SDL options");
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72 sdl.add_options()
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73 ("width", boost::program_options::value<int>()->default_value(1024), "Initial width of the SDL window")
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74 ("height", boost::program_options::value<int>()->default_value(768), "Initial height of the SDL window")
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75 ("opengl", boost::program_options::value<bool>()->default_value(true), "Enable OpenGL in SDL")
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76 ;
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77
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78 options.add(sdl);
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79 }
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80
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81 // void BasicSdlApplication::DeclareCommandLineOptions(boost::program_options::options_description &options) {
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82 // boost::program_options::options_description app("Application specifi options");
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83
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84 // for (IBasicApplication::StartupOptions::const_iterator it = startupOptions_.begin(); it != startupOptions_.end(); it++) {
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85 // switch (it->type) {
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86 // case IBasicApplication::StartupOptionValue::boolean:
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87 // app.add_options()
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88 // (it->name.c_str(), boost::program_options::value<int>()->default_value(std::stoi(it->defaultValue)), it->helpText.c_str());
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89 // break;
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90 // case IBasicApplication::StartupOptionValue::integer:
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91 // app.add_options()
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92 // (it->name.c_str(), boost::program_options::value<bool>()->default_value(it->defaultValue == "true"), it->helpText.c_str());
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93 // break;
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94 // case IBasicApplication::StartupOptionValue::string:
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95 // app.add_options()
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96 // (it->name.c_str(), boost::program_options::value<std::string>()->default_value(it->defaultValue), it->helpText.c_str());
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97 // break;
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98 // default:
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99 // throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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100 // }
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101 // }
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102 // options.add(app);
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103 // }
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104
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105 int BasicSdlApplication::ExecuteWithSdl(BasicSdlApplication& application,
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106 int argc,
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107 char* argv[])
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108 {
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109 /******************************************************************
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110 * Initialize all the subcomponents of Orthanc Stone
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111 ******************************************************************/
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112
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113 Orthanc::Logging::Initialize();
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114 Orthanc::HttpClient::InitializeOpenSsl();
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115 Orthanc::HttpClient::GlobalInitialize();
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116 SdlWindow::GlobalInitialize();
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117
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118
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119 /******************************************************************
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120 * Declare and parse the command-line options of the application
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121 ******************************************************************/
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122
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123 boost::program_options::options_description options;
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124 DeclareSdlCommandLineOptions(options);
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125 application.DeclareStartupOptions(options);
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126
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127 boost::program_options::variables_map parameters;
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128 bool error = false;
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129
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130 try
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131 {
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132 boost::program_options::store(boost::program_options::command_line_parser(argc, argv).
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133 options(options).run(), parameters);
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134 boost::program_options::notify(parameters);
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135 }
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136 catch (boost::program_options::error& e)
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137 {
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138 LOG(ERROR) << "Error while parsing the command-line arguments: " << e.what();
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139 error = true;
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140 }
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141
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142
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143 /******************************************************************
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144 * Configure the application with the command-line parameters
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145 ******************************************************************/
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146
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147 if (error || parameters.count("help"))
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148 {
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149 std::cout << std::endl
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150 << "Usage: " << argv[0] << " [OPTION]..."
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151 << std::endl
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152 << "Orthanc, lightweight, RESTful DICOM server for healthcare and medical research."
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153 << std::endl << std::endl
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154 << "Demonstration application of Orthanc Stone using SDL."
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155 << std::endl;
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156
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157 std::cout << options << "\n";
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158 return error ? -1 : 0;
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159 }
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160
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diff changeset
161 if (parameters.count("https-verify") &&
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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diff changeset
162 !parameters["https-verify"].as<bool>())
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diff changeset
163 {
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
164 LOG(WARNING) << "Turning off verification of HTTPS certificates (unsafe)";
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
165 Orthanc::HttpClient::ConfigureSsl(false, "");
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166 }
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
167
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diff changeset
168 if (parameters.count("verbose"))
d7b2590744f8 wip: building applications reusable in SDL and WASM
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169 {
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diff changeset
170 Orthanc::Logging::EnableInfoLevel(true);
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171 }
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diff changeset
172
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diff changeset
173 if (!parameters.count("width") ||
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
174 !parameters.count("height") ||
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diff changeset
175 !parameters.count("opengl"))
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176 {
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177 LOG(ERROR) << "Parameter \"width\", \"height\" or \"opengl\" is missing";
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178 return -1;
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179 }
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diff changeset
180
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181 int w = parameters["width"].as<int>();
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182 int h = parameters["height"].as<int>();
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183 if (w <= 0 || h <= 0)
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184 {
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185 LOG(ERROR) << "Parameters \"width\" and \"height\" must be positive";
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186 return -1;
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187 }
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188
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189 unsigned int width = static_cast<unsigned int>(w);
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190 unsigned int height = static_cast<unsigned int>(h);
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191 LOG(WARNING) << "Initial display size: " << width << "x" << height;
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
192
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193 bool opengl = parameters["opengl"].as<bool>();
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194 if (opengl)
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195 {
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196 LOG(WARNING) << "OpenGL is enabled, disable it with option \"--opengl=off\" if the application crashes";
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197 }
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198 else
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199 {
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200 LOG(WARNING) << "OpenGL is disabled, enable it with option \"--opengl=on\" for best performance";
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201 }
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diff changeset
202
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diff changeset
203 bool success = true;
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204 try
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205 {
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206 /****************************************************************
d7b2590744f8 wip: building applications reusable in SDL and WASM
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207 * Initialize the connection to the Orthanc server
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208 ****************************************************************/
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209
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
210 Orthanc::WebServiceParameters webService;
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211
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212 if (parameters.count("orthanc"))
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213 {
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214 webService.SetUrl(parameters["orthanc"].as<std::string>());
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215 }
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diff changeset
216
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diff changeset
217 if (parameters.count("username"))
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218 {
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219 webService.SetUsername(parameters["username"].as<std::string>());
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220 }
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diff changeset
221
d7b2590744f8 wip: building applications reusable in SDL and WASM
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222 if (parameters.count("password"))
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diff changeset
223 {
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224 webService.SetPassword(parameters["password"].as<std::string>());
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225 }
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diff changeset
226
d7b2590744f8 wip: building applications reusable in SDL and WASM
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227 LOG(WARNING) << "URL to the Orthanc REST API: " << webService.GetUrl();
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
228
d7b2590744f8 wip: building applications reusable in SDL and WASM
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229 {
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diff changeset
230 OrthancPlugins::OrthancHttpConnection orthanc(webService);
d7b2590744f8 wip: building applications reusable in SDL and WASM
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231 if (!MessagingToolbox::CheckOrthancVersion(orthanc))
d7b2590744f8 wip: building applications reusable in SDL and WASM
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232 {
d7b2590744f8 wip: building applications reusable in SDL and WASM
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233 LOG(ERROR) << "Your version of Orthanc is incompatible with Stone of Orthanc, please upgrade";
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234 throw Orthanc::OrthancException(Orthanc::ErrorCode_NetworkProtocol);
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235 }
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am@osimis.io
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diff changeset
236 }
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
237
d7b2590744f8 wip: building applications reusable in SDL and WASM
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238
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239 /****************************************************************
d7b2590744f8 wip: building applications reusable in SDL and WASM
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240 * Initialize the application
d7b2590744f8 wip: building applications reusable in SDL and WASM
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241 ****************************************************************/
d7b2590744f8 wip: building applications reusable in SDL and WASM
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242
d7b2590744f8 wip: building applications reusable in SDL and WASM
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243 LOG(WARNING) << "Creating the widgets of the application";
d7b2590744f8 wip: building applications reusable in SDL and WASM
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244
d7b2590744f8 wip: building applications reusable in SDL and WASM
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245 LogStatusBar statusBar;
d7b2590744f8 wip: building applications reusable in SDL and WASM
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246 BasicApplicationContext& context = application.CreateApplicationContext(webService);
d7b2590744f8 wip: building applications reusable in SDL and WASM
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247
d7b2590744f8 wip: building applications reusable in SDL and WASM
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248 application.Initialize(statusBar, parameters);
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
249
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
250 {
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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diff changeset
251 BasicApplicationContext::ViewportLocker locker(context);
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diff changeset
252 locker.GetViewport().SetStatusBar(statusBar);
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am@osimis.io
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253 }
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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diff changeset
254
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
255 std::string title = application.GetTitle();
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
256 if (title.empty())
d7b2590744f8 wip: building applications reusable in SDL and WASM
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257 {
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258 title = "Stone of Orthanc";
d7b2590744f8 wip: building applications reusable in SDL and WASM
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259 }
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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diff changeset
260
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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diff changeset
261 {
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am@osimis.io
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262 /**************************************************************
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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263 * Run the application inside a SDL window
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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264 **************************************************************/
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265
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
266 LOG(WARNING) << "Starting the application";
d7b2590744f8 wip: building applications reusable in SDL and WASM
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267
d7b2590744f8 wip: building applications reusable in SDL and WASM
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268 SdlWindow window(title.c_str(), width, height, opengl);
d7b2590744f8 wip: building applications reusable in SDL and WASM
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269 SdlEngine sdl(window, context);
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
270
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
271 {
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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272 BasicApplicationContext::ViewportLocker locker(context);
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am@osimis.io
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273 locker.GetViewport().Register(sdl); // (*)
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274 }
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
275
d7b2590744f8 wip: building applications reusable in SDL and WASM
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276 context.Start();
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
277 sdl.Run();
d7b2590744f8 wip: building applications reusable in SDL and WASM
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278
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
279 LOG(WARNING) << "Stopping the application";
d7b2590744f8 wip: building applications reusable in SDL and WASM
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280
d7b2590744f8 wip: building applications reusable in SDL and WASM
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281 // Don't move the "Stop()" command below out of the block,
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am@osimis.io
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diff changeset
282 // otherwise the application might crash, because the
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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diff changeset
283 // "SdlEngine" is an observer of the viewport (*) and the
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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diff changeset
284 // update thread started by "context.Start()" would call a
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
285 // destructed object (the "SdlEngine" is deleted with the
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
286 // lexical scope).
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
287 context.Stop();
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am@osimis.io
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288 }
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
289
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290
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291 /****************************************************************
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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292 * Finalize the application
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am@osimis.io
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diff changeset
293 ****************************************************************/
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am@osimis.io
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diff changeset
294
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
295 LOG(WARNING) << "The application has stopped";
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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diff changeset
296 application.Finalize();
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diff changeset
297 }
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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diff changeset
298 catch (Orthanc::OrthancException& e)
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am@osimis.io
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diff changeset
299 {
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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diff changeset
300 LOG(ERROR) << "EXCEPTION: " << e.What();
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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diff changeset
301 success = false;
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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diff changeset
302 }
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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diff changeset
303
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
304
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
305 /******************************************************************
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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diff changeset
306 * Finalize all the subcomponents of Orthanc Stone
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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diff changeset
307 ******************************************************************/
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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diff changeset
308
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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diff changeset
309 SdlWindow::GlobalFinalize();
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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diff changeset
310 Orthanc::HttpClient::GlobalFinalize();
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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diff changeset
311 Orthanc::HttpClient::FinalizeOpenSsl();
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am@osimis.io
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diff changeset
312
d7b2590744f8 wip: building applications reusable in SDL and WASM
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diff changeset
313 return (success ? 0 : -1);
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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diff changeset
314 }
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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diff changeset
315
d7b2590744f8 wip: building applications reusable in SDL and WASM
am@osimis.io
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diff changeset
316 }