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annotate Applications/Samples/Sdl/SingleFrameViewer/SdlSimpleViewer.cpp @ 1790:b325761e0bd3

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angle measure and undo/redo in sdl simple viewer
author Sebastien Jodogne <s.jodogne@gmail.com>
date Mon, 17 May 2021 13:57:25 +0200
parents 462d7a0e064e
children 20a0aba0ede5
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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) 2017-2021 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 #include "SdlSimpleViewerApplication.h"
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23 #include "../SdlHelpers.h"
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24 #include "../../Common/SampleHelpers.h"
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25
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26 #include "../../../../OrthancStone/Sources/Loaders/GenericLoadersContext.h"
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27 #include "../../../../OrthancStone/Sources/Scene2DViewport/AngleMeasureTool.h"
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28 #include "../../../../OrthancStone/Sources/Scene2DViewport/LineMeasureTool.h"
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29 #include "../../../../OrthancStone/Sources/Scene2DViewport/UndoStack.h"
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30 #include "../../../../OrthancStone/Sources/StoneEnumerations.h"
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31 #include "../../../../OrthancStone/Sources/StoneException.h"
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32 #include "../../../../OrthancStone/Sources/StoneInitialization.h"
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33 #include "../../../../OrthancStone/Sources/Viewport/DefaultViewportInteractor.h"
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34 #include "../../../Platforms/Sdl/SdlViewport.h"
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35
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36 #include <EmbeddedResources.h>
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37 #include <Compatibility.h> // For std::unique_ptr<>
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38 #include <OrthancException.h>
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39
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40 #include <boost/program_options.hpp>
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41 #include <SDL.h>
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42
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43 #include <string>
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44
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45
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46 std::string orthancUrl;
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47 std::string instanceId;
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48 int frameIndex = 0;
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49
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50
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51 static void ProcessOptions(int argc, char* argv[])
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52 {
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53 namespace po = boost::program_options;
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54 po::options_description desc("Usage");
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55
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56 desc.add_options()
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57 ("loglevel", po::value<std::string>()->default_value("WARNING"),
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58 "You can choose WARNING, INFO or TRACE for the logging level: Errors and warnings will always be displayed. (default: WARNING)")
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59
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60 ("orthanc", po::value<std::string>()->default_value("http://localhost:8042"),
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61 "Base URL of the Orthanc instance")
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62
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63 ("instance", po::value<std::string>()->default_value("285dece8-e1956b38-cdc7d084-6ce3371e-536a9ffc"),
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64 "Orthanc ID of the instance to display")
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65
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66 ("frame_index", po::value<int>()->default_value(0),
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67 "The zero-based index of the frame (for multi-frame instances)")
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68 ;
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69
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70 std::cout << desc << std::endl;
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71
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72 std::cout << std::endl << "Keyboard shorcuts:" << std::endl
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73 << " a\tEnable/disable the angle measure tool" << std::endl
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74 << " f\tToggle fullscreen display" << std::endl
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75 << " l\tEnable/disable the line measure tool" << std::endl
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76 << " q\tExit" << std::endl
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77 << " r\tRedo the last edit to the measure tools" << std::endl
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78 << " s\tFit the viewpoint to the image" << std::endl
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79 << " u\tUndo the last edit to the measure tools" << std::endl
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80 << std::endl << "Mouse buttons:" << std::endl
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81 << " left \tChange windowing, or edit measure" << std::endl
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82 << " center\tMove the viewpoint, or edit measure" << std::endl
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83 << " right \tZoom, or edit measure" << std::endl
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84 << std::endl;
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85
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86 po::variables_map vm;
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87 try
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88 {
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89 po::store(po::parse_command_line(argc, argv, desc), vm);
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90 po::notify(vm);
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91 }
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92 catch (std::exception& e)
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93 {
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94 std::cerr << "Please check your command line options! (\"" << e.what() << "\")" << std::endl;
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95 }
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96
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97 if (vm.count("loglevel") > 0)
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98 {
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99 std::string logLevel = vm["loglevel"].as<std::string>();
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100 OrthancStoneHelpers::SetLogLevel(logLevel);
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101 }
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102
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103 if (vm.count("orthanc") > 0)
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104 {
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105 // maybe check URL validity here
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106 orthancUrl = vm["orthanc"].as<std::string>();
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107 }
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108
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109 if (vm.count("instance") > 0)
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110 {
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111 instanceId = vm["instance"].as<std::string>();
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112 }
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113
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114 if (vm.count("frame_index") > 0)
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115 {
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116 frameIndex = vm["frame_index"].as<int>();
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117 }
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118 }
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119
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120
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121 enum ActiveTool
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122 {
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123 ActiveTool_None,
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124 ActiveTool_Line,
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125 ActiveTool_Angle
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126 };
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127
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128
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129 /**
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130 * IMPORTANT: The full arguments to "main()" are needed for SDL on
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131 * Windows. Otherwise, one gets the linking error "undefined reference
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132 * to `SDL_main'". https://wiki.libsdl.org/FAQWindows
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133 **/
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134 int main(int argc, char* argv[])
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135 {
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136 try
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137 {
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138 OrthancStone::StoneInitialize();
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139 OrthancStone::SdlWindow::GlobalInitialize();
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140
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141 ProcessOptions(argc, argv);
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142
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143 //Orthanc::Logging::EnableInfoLevel(true);
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144 //Orthanc::Logging::EnableTraceLevel(true);
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145
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146 {
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147
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148 #if 1
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149 boost::shared_ptr<OrthancStone::SdlViewport> viewport =
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150 OrthancStone::SdlOpenGLViewport::Create("Stone of Orthanc", 800, 600);
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151 #else
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152 boost::shared_ptr<OrthancStone::SdlViewport> viewport =
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153 OrthancStone::SdlCairoViewport::Create("Stone of Orthanc", 800, 600);
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154 #endif
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155
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156 boost::shared_ptr<OrthancStone::UndoStack> undoStack(new OrthancStone::UndoStack);
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157
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158 OrthancStone::GenericLoadersContext context(1, 4, 1);
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159
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160 Orthanc::WebServiceParameters orthancWebService;
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161 orthancWebService.SetUrl(orthancUrl);
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162 context.SetOrthancParameters(orthancWebService);
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163
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164 context.StartOracle();
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165
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166 {
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167 {
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168 std::string font;
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169 Orthanc::EmbeddedResources::GetFileResource(font, Orthanc::EmbeddedResources::UBUNTU_FONT);
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170
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171 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock());
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172 lock->GetCompositor().SetFont(0, font, 16, Orthanc::Encoding_Latin1);
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173 lock->GetController().SetUndoStack(undoStack);
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174 }
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175
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176 ActiveTool activeTool = ActiveTool_None;
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177
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178 boost::shared_ptr<OrthancStone::LineMeasureTool> lineMeasureTool(OrthancStone::LineMeasureTool::Create(viewport));
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179 bool lineMeasureFirst = true;
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180 lineMeasureTool->Disable();
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181
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182 boost::shared_ptr<OrthancStone::AngleMeasureTool> angleMeasureTool(OrthancStone::AngleMeasureTool::Create(viewport));
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183 bool angleMeasureFirst = true;
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184 angleMeasureTool->Disable();
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185
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186 boost::shared_ptr<SdlSimpleViewerApplication> application(
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187 SdlSimpleViewerApplication::Create(context, viewport));
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188
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189 OrthancStone::DicomSource source;
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190
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191 application->LoadOrthancFrame(source, instanceId, frameIndex);
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192
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193 OrthancStone::DefaultViewportInteractor interactor;
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301571299212 DefaultViewportInteractor::SetWindowingLayer()
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194 interactor.SetWindowingLayer(0);
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195
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196 {
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197 int scancodeCount = 0;
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198 const uint8_t* keyboardState = SDL_GetKeyboardState(&scancodeCount);
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199
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200 bool stop = false;
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201 while (!stop)
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202 {
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203 bool paint = false;
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204 SDL_Event event;
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205 while (SDL_PollEvent(&event))
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206 {
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207 if (event.type == SDL_QUIT)
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208 {
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209 stop = true;
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210 break;
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211 }
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212 else if (viewport->IsRefreshEvent(event))
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213 {
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214 paint = true;
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215 }
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216 else if (event.type == SDL_WINDOWEVENT &&
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217 (event.window.event == SDL_WINDOWEVENT_RESIZED ||
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218 event.window.event == SDL_WINDOWEVENT_SIZE_CHANGED))
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219 {
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220 viewport->UpdateSize(event.window.data1, event.window.data2);
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221 }
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222 else if (event.type == SDL_WINDOWEVENT &&
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223 (event.window.event == SDL_WINDOWEVENT_SHOWN ||
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224 event.window.event == SDL_WINDOWEVENT_EXPOSED))
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225 {
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226 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock());
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227 lock->RefreshCanvasSize();
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228 }
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229 else if (event.type == SDL_KEYDOWN &&
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230 event.key.repeat == 0 /* Ignore key bounce */)
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231 {
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232 switch (event.key.keysym.sym)
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233 {
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234 case SDLK_f:
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235 viewport->ToggleMaximize();
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236 break;
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237
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238 case SDLK_s:
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239 application->FitContent();
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240 break;
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241
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242 case SDLK_q:
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243 stop = true;
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244 break;
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245
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246 case SDLK_u:
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247 {
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248 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock());
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249 if (lock->GetController().CanUndo())
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250 {
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251 lock->GetController().Undo();
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252 }
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253 break;
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254 }
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255
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256 case SDLK_r:
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257 {
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258 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock());
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259 if (lock->GetController().CanRedo())
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260 {
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261 lock->GetController().Redo();
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262 }
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263 break;
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264 }
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265
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266 case SDLK_l:
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267 if (activeTool == ActiveTool_Line)
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268 {
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269 lineMeasureTool->Disable();
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270 activeTool = ActiveTool_None;
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271 }
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272 else
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273 {
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diff changeset
274 if (lineMeasureFirst)
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275 {
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276 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock());
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277 OrthancStone::Extent2D extent;
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278 lock->GetController().GetScene().GetBoundingBox(extent);
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279 if (!extent.IsEmpty())
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280 {
462d7a0e064e added line measures to sdl single frame viewer sample
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281 OrthancStone::ScenePoint2D p(extent.GetCenterX(), extent.GetCenterY());
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282 lineMeasureTool->Set(p, p);
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283 }
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284 lineMeasureFirst = false;
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285 }
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286
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287 lineMeasureTool->Enable();
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288 angleMeasureTool->Disable();
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289 activeTool = ActiveTool_Line;
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290 }
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291 break;
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292
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diff changeset
293 case SDLK_a:
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294 if (activeTool == ActiveTool_Angle)
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295 {
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296 angleMeasureTool->Disable();
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297 activeTool = ActiveTool_None;
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298 }
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299 else
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300 {
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301 if (angleMeasureFirst)
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302 {
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303 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock());
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304 OrthancStone::Extent2D extent;
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305 lock->GetController().GetScene().GetBoundingBox(extent);
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306 if (!extent.IsEmpty())
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307 {
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308 OrthancStone::ScenePoint2D p1(1.0 * extent.GetX1() / 3.0 + 2.0 * extent.GetX2() / 3.0,
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309 2.0 * extent.GetY1() / 3.0 + 2.0 * extent.GetY2() / 3.0);
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310 OrthancStone::ScenePoint2D p2(1.0 * extent.GetX1() / 2.0 + 1.0 * extent.GetX2() / 2.0,
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diff changeset
311 1.0 * extent.GetY1() / 3.0 + 1.0 * extent.GetY2() / 3.0);
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312 OrthancStone::ScenePoint2D p3(2.0 * extent.GetX1() / 3.0 + 1.0 * extent.GetX2() / 3.0,
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313 2.0 * extent.GetY1() / 3.0 + 2.0 * extent.GetY2() / 3.0);
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314 angleMeasureTool->SetSide1End(p1);
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315 angleMeasureTool->SetCenter(p2);
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316 angleMeasureTool->SetSide2End(p3);
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317 }
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318 angleMeasureFirst = false;
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319 }
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320
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321 lineMeasureTool->Disable();
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322 angleMeasureTool->Enable();
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323 activeTool = ActiveTool_Angle;
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324 }
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325 break;
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326
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327 default:
462d7a0e064e added line measures to sdl single frame viewer sample
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328 break;
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329 }
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330 }
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331 else if (event.type == SDL_MOUSEBUTTONDOWN ||
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332 event.type == SDL_MOUSEMOTION ||
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333 event.type == SDL_MOUSEBUTTONUP)
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334 {
1507
169adf9090a6 replacing deprecated std::auto_ptr by std::unique_ptr
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diff changeset
335 std::unique_ptr<OrthancStone::IViewport::ILock> lock(viewport->Lock());
1368
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336 if (lock->HasCompositor())
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337 {
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338 OrthancStone::PointerEvent p;
1382
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diff changeset
339 OrthancStoneHelpers::GetPointerEvent(p, lock->GetCompositor(),
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diff changeset
340 event, keyboardState, scancodeCount);
1368
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341
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342 switch (event.type)
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343 {
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344 case SDL_MOUSEBUTTONDOWN:
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345 {
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diff changeset
346 boost::shared_ptr<OrthancStone::IFlexiblePointerTracker> t;
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347 switch (activeTool)
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diff changeset
348 {
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diff changeset
349 case ActiveTool_Angle:
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diff changeset
350 t = angleMeasureTool->CreateEditionTracker(p);
b325761e0bd3 angle measure and undo/redo in sdl simple viewer
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351 break;
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352
b325761e0bd3 angle measure and undo/redo in sdl simple viewer
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diff changeset
353 case ActiveTool_Line:
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diff changeset
354 t = lineMeasureTool->CreateEditionTracker(p);
b325761e0bd3 angle measure and undo/redo in sdl simple viewer
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diff changeset
355 break;
b325761e0bd3 angle measure and undo/redo in sdl simple viewer
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diff changeset
356
b325761e0bd3 angle measure and undo/redo in sdl simple viewer
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diff changeset
357 case ActiveTool_None:
b325761e0bd3 angle measure and undo/redo in sdl simple viewer
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diff changeset
358 break;
b325761e0bd3 angle measure and undo/redo in sdl simple viewer
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diff changeset
359
b325761e0bd3 angle measure and undo/redo in sdl simple viewer
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diff changeset
360 default:
b325761e0bd3 angle measure and undo/redo in sdl simple viewer
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diff changeset
361 throw Orthanc::OrthancException(Orthanc::ErrorCode_NotImplemented);
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diff changeset
362 }
462d7a0e064e added line measures to sdl single frame viewer sample
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diff changeset
363
462d7a0e064e added line measures to sdl single frame viewer sample
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diff changeset
364 if (t.get() != NULL)
462d7a0e064e added line measures to sdl single frame viewer sample
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diff changeset
365 {
462d7a0e064e added line measures to sdl single frame viewer sample
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diff changeset
366 lock->GetController().AcquireActiveTracker(t);
462d7a0e064e added line measures to sdl single frame viewer sample
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diff changeset
367 }
462d7a0e064e added line measures to sdl single frame viewer sample
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diff changeset
368 else
462d7a0e064e added line measures to sdl single frame viewer sample
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diff changeset
369 {
462d7a0e064e added line measures to sdl single frame viewer sample
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diff changeset
370 lock->GetController().HandleMousePress(interactor, p,
462d7a0e064e added line measures to sdl single frame viewer sample
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diff changeset
371 lock->GetCompositor().GetCanvasWidth(),
462d7a0e064e added line measures to sdl single frame viewer sample
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diff changeset
372 lock->GetCompositor().GetCanvasHeight());
462d7a0e064e added line measures to sdl single frame viewer sample
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diff changeset
373 }
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diff changeset
374 lock->Invalidate();
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diff changeset
375 break;
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Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
376 }
33da5d02885f SdlSimpleViewer rename
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parents:
diff changeset
377
1789
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diff changeset
378 case SDL_MOUSEMOTION:
462d7a0e064e added line measures to sdl single frame viewer sample
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diff changeset
379 if (lock->GetController().HandleMouseMove(p))
462d7a0e064e added line measures to sdl single frame viewer sample
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diff changeset
380 {
462d7a0e064e added line measures to sdl single frame viewer sample
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diff changeset
381 lock->Invalidate();
462d7a0e064e added line measures to sdl single frame viewer sample
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diff changeset
382 }
462d7a0e064e added line measures to sdl single frame viewer sample
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diff changeset
383 break;
1368
33da5d02885f SdlSimpleViewer rename
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
384
1789
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diff changeset
385 case SDL_MOUSEBUTTONUP:
462d7a0e064e added line measures to sdl single frame viewer sample
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diff changeset
386 lock->GetController().HandleMouseRelease(p);
462d7a0e064e added line measures to sdl single frame viewer sample
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diff changeset
387 lock->Invalidate();
462d7a0e064e added line measures to sdl single frame viewer sample
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diff changeset
388 break;
462d7a0e064e added line measures to sdl single frame viewer sample
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diff changeset
389
462d7a0e064e added line measures to sdl single frame viewer sample
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diff changeset
390 default:
462d7a0e064e added line measures to sdl single frame viewer sample
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diff changeset
391 throw Orthanc::OrthancException(Orthanc::ErrorCode_InternalError);
1368
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parents:
diff changeset
392 }
33da5d02885f SdlSimpleViewer rename
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parents:
diff changeset
393 }
33da5d02885f SdlSimpleViewer rename
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
394 }
33da5d02885f SdlSimpleViewer rename
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
395 }
33da5d02885f SdlSimpleViewer rename
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
396
33da5d02885f SdlSimpleViewer rename
Benjamin Golinvaux <bgo@osimis.io>
parents:
diff changeset
397 if (paint)
33da5d02885f SdlSimpleViewer rename
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parents:
diff changeset
398 {
33da5d02885f SdlSimpleViewer rename
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diff changeset
399 viewport->Paint();
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parents:
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400 }
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401
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402 // Small delay to avoid using 100% of CPU
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403 SDL_Delay(1);
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404 }
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405 }
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406 context.StopOracle();
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407 }
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408 }
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409
1591
5887a4f8594b moving platform-specific files out of the "OrthancStone" folder
Sebastien Jodogne <s.jodogne@gmail.com>
parents: 1576
diff changeset
410 OrthancStone::SdlWindow::GlobalFinalize();
1368
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411 OrthancStone::StoneFinalize();
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412 return 0;
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413 }
1382
9d138883be66 Proper command-line parameter management for SDL sample
Benjamin Golinvaux <bgo@osimis.io>
parents: 1368
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414 catch (Orthanc::OrthancException& e)
1368
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415 {
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416 LOG(ERROR) << "OrthancException: " << e.What();
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417 return -1;
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418 }
1382
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parents: 1368
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419 catch (OrthancStone::StoneException& e)
1368
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420 {
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421 LOG(ERROR) << "StoneException: " << e.What();
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422 return -1;
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423 }
1382
9d138883be66 Proper command-line parameter management for SDL sample
Benjamin Golinvaux <bgo@osimis.io>
parents: 1368
diff changeset
424 catch (std::runtime_error& e)
1368
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parents:
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425 {
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parents:
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426 LOG(ERROR) << "Runtime error: " << e.what();
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parents:
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427 return -1;
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parents:
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428 }
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Benjamin Golinvaux <bgo@osimis.io>
parents:
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429 catch (...)
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parents:
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430 {
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parents:
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431 LOG(ERROR) << "Native exception";
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parents:
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432 return -1;
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parents:
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433 }
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parents:
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434 }