Mercurial > hg > orthanc-stone
annotate Platforms/Wasm/Defaults.cpp @ 504:7cdb4634846c
Merge
| author | Benjamin Golinvaux <bgo@osimis.io> |
|---|---|
| date | Tue, 26 Feb 2019 21:15:20 +0100 |
| parents | 26b90b110719 |
| children | 3b4df9925db6 |
| rev | line source |
|---|---|
| 222 | 1 #include "Defaults.h" |
| 2 | |
| 223 | 3 #include "WasmWebService.h" |
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4 #include "WasmDelayedCallExecutor.h" |
| 223 | 5 #include <Framework/dev.h> |
| 6 #include "Framework/Widgets/TestCairoWidget.h" | |
| 7 #include <Framework/Viewport/WidgetViewport.h> | |
| 228 | 8 #include <algorithm> |
| 242 | 9 #include "Applications/Wasm/StartupParametersBuilder.h" |
| 307 | 10 #include "Platforms/Wasm/WasmPlatformApplicationAdapter.h" |
| 223 | 11 |
| 12 static unsigned int width_ = 0; | |
| 13 static unsigned int height_ = 0; | |
| 14 | |
| 15 /**********************************/ | |
| 16 | |
| 288 | 17 static std::unique_ptr<OrthancStone::IStoneApplication> application; |
| 307 | 18 static std::unique_ptr<OrthancStone::WasmPlatformApplicationAdapter> applicationWasmAdapter = NULL; |
| 288 | 19 static std::unique_ptr<OrthancStone::StoneApplicationContext> context; |
| 242 | 20 static OrthancStone::StartupParametersBuilder startupParametersBuilder; |
| 253 | 21 static OrthancStone::MessageBroker broker; |
| 242 | 22 |
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23 static OrthancStone::ViewportContentChangedObserver viewportContentChangedObserver_(broker); |
| 223 | 24 static OrthancStone::StatusBar statusBar_; |
| 25 | |
| 227 | 26 static std::list<std::shared_ptr<OrthancStone::WidgetViewport>> viewports_; |
| 27 | |
| 228 | 28 std::shared_ptr<OrthancStone::WidgetViewport> FindViewportSharedPtr(ViewportHandle viewport) { |
| 29 for (const auto& v : viewports_) { | |
| 30 if (v.get() == viewport) { | |
| 31 return v; | |
| 32 } | |
| 33 } | |
| 229 | 34 assert(false); |
| 35 return std::shared_ptr<OrthancStone::WidgetViewport>(); | |
| 228 | 36 } |
| 37 | |
| 223 | 38 #ifdef __cplusplus |
| 39 extern "C" { | |
| 40 #endif | |
| 41 | |
| 42 using namespace OrthancStone; | |
| 227 | 43 |
| 44 // when WASM needs a C++ viewport | |
| 45 ViewportHandle EMSCRIPTEN_KEEPALIVE CreateCppViewport() { | |
| 46 | |
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47 std::shared_ptr<OrthancStone::WidgetViewport> viewport(new OrthancStone::WidgetViewport(broker)); |
| 287 | 48 printf("viewport %x\n", (int)viewport.get()); |
| 227 | 49 |
| 50 viewports_.push_back(viewport); | |
| 51 | |
| 52 printf("There are now %d viewports in C++\n", viewports_.size()); | |
| 53 | |
| 54 viewport->SetStatusBar(statusBar_); | |
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55 |
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56 viewport->RegisterObserverCallback( |
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57 new Callable<ViewportContentChangedObserver, IViewport::ViewportChangedMessage> |
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58 (viewportContentChangedObserver_, &ViewportContentChangedObserver::OnViewportChanged)); |
| 227 | 59 |
| 60 return viewport.get(); | |
| 61 } | |
| 62 | |
| 63 // when WASM does not need a viewport anymore, it should release it | |
| 64 void EMSCRIPTEN_KEEPALIVE ReleaseCppViewport(ViewportHandle viewport) { | |
| 65 viewports_.remove_if([viewport](const std::shared_ptr<OrthancStone::WidgetViewport>& v) { return v.get() == viewport;}); | |
| 66 | |
| 67 printf("There are now %d viewports in C++\n", viewports_.size()); | |
| 68 } | |
| 69 | |
| 70 void EMSCRIPTEN_KEEPALIVE CreateWasmApplication(ViewportHandle viewport) { | |
| 223 | 71 |
| 72 printf("CreateWasmApplication\n"); | |
| 73 | |
| 253 | 74 application.reset(CreateUserApplication(broker)); |
| 307 | 75 applicationWasmAdapter.reset(CreateWasmApplicationAdapter(broker, application.get())); |
| 255 | 76 WasmWebService::SetBroker(broker); |
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77 WasmDelayedCallExecutor::SetBroker(broker); |
| 223 | 78 |
| 242 | 79 startupParametersBuilder.Clear(); |
| 223 | 80 } |
| 81 | |
| 82 void EMSCRIPTEN_KEEPALIVE SetStartupParameter(const char* keyc, | |
| 83 const char* value) { | |
| 242 | 84 startupParametersBuilder.SetStartupParameter(keyc, value); |
| 223 | 85 } |
| 86 | |
| 418 | 87 void EMSCRIPTEN_KEEPALIVE StartWasmApplication(const char* baseUri) { |
| 223 | 88 |
| 89 printf("StartWasmApplication\n"); | |
| 90 | |
| 91 // recreate a command line from uri arguments and parse it | |
| 92 boost::program_options::variables_map parameters; | |
| 242 | 93 boost::program_options::options_description options; |
| 94 application->DeclareStartupOptions(options); | |
| 95 startupParametersBuilder.GetStartupParameters(parameters, options); | |
| 223 | 96 |
| 418 | 97 context.reset(new OrthancStone::StoneApplicationContext(broker)); |
| 98 context->SetOrthancBaseUrl(baseUri); | |
| 99 printf("Base URL to Orthanc API: [%s]\n", baseUri); | |
| 100 context->SetWebService(OrthancStone::WasmWebService::GetInstance()); | |
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101 context->SetDelayedCallExecutor(OrthancStone::WasmDelayedCallExecutor::GetInstance()); |
| 242 | 102 application->Initialize(context.get(), statusBar_, parameters); |
| 103 application->InitializeWasm(); | |
| 223 | 104 |
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105 // viewport->SetSize(width_, height_); |
| 223 | 106 printf("StartWasmApplication - completed\n"); |
| 107 } | |
| 108 | |
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109 void EMSCRIPTEN_KEEPALIVE WasmDoAnimation() |
| 223 | 110 { |
| 228 | 111 for (auto viewport : viewports_) { |
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112 // TODO Only launch the JavaScript timer if "HasAnimation()" |
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113 if (viewport->HasAnimation()) |
| 228 | 114 { |
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115 viewport->DoAnimation(); |
| 228 | 116 } |
| 117 | |
| 223 | 118 } |
| 119 | |
| 120 } | |
| 121 | |
| 122 | |
| 228 | 123 void EMSCRIPTEN_KEEPALIVE ViewportSetSize(ViewportHandle viewport, unsigned int width, unsigned int height) |
| 223 | 124 { |
| 125 width_ = width; | |
| 126 height_ = height; | |
| 127 | |
| 228 | 128 viewport->SetSize(width, height); |
| 223 | 129 } |
| 130 | |
| 228 | 131 int EMSCRIPTEN_KEEPALIVE ViewportRender(ViewportHandle viewport, |
| 227 | 132 unsigned int width, |
| 223 | 133 unsigned int height, |
| 134 uint8_t* data) | |
| 135 { | |
| 278 | 136 viewportContentChangedObserver_.Reset(); |
| 223 | 137 |
| 138 //printf("ViewportRender called %dx%d\n", width, height); | |
| 139 if (width == 0 || | |
| 140 height == 0) | |
| 141 { | |
| 142 return 1; | |
| 143 } | |
| 144 | |
| 145 Orthanc::ImageAccessor surface; | |
| 146 surface.AssignWritable(Orthanc::PixelFormat_BGRA32, width, height, 4 * width, data); | |
| 147 | |
| 227 | 148 viewport->Render(surface); |
| 223 | 149 |
| 150 // Convert from BGRA32 memory layout (only color mode supported by | |
| 151 // Cairo, which corresponds to CAIRO_FORMAT_ARGB32) to RGBA32 (as | |
| 152 // expected by HTML5 canvas). This simply amounts to swapping the | |
| 153 // B and R channels. | |
| 154 uint8_t* p = data; | |
| 155 for (unsigned int y = 0; y < height; y++) { | |
| 156 for (unsigned int x = 0; x < width; x++) { | |
| 157 uint8_t tmp = p[0]; | |
| 158 p[0] = p[2]; | |
| 159 p[2] = tmp; | |
| 160 | |
| 161 p += 4; | |
| 162 } | |
| 163 } | |
| 164 | |
| 165 return 1; | |
| 166 } | |
| 167 | |
| 168 | |
| 228 | 169 void EMSCRIPTEN_KEEPALIVE ViewportMouseDown(ViewportHandle viewport, |
| 170 unsigned int rawButton, | |
| 223 | 171 int x, |
| 172 int y, | |
| 173 unsigned int rawModifiers) | |
| 174 { | |
| 175 OrthancStone::MouseButton button; | |
| 176 switch (rawButton) | |
| 177 { | |
| 178 case 0: | |
| 179 button = OrthancStone::MouseButton_Left; | |
| 180 break; | |
| 181 | |
| 182 case 1: | |
| 183 button = OrthancStone::MouseButton_Middle; | |
| 184 break; | |
| 185 | |
| 186 case 2: | |
| 187 button = OrthancStone::MouseButton_Right; | |
| 188 break; | |
| 189 | |
| 190 default: | |
| 191 return; // Unknown button | |
| 192 } | |
| 193 | |
| 228 | 194 viewport->MouseDown(button, x, y, OrthancStone::KeyboardModifiers_None /* TODO */); |
| 223 | 195 } |
| 196 | |
| 197 | |
| 228 | 198 void EMSCRIPTEN_KEEPALIVE ViewportMouseWheel(ViewportHandle viewport, |
| 199 int deltaY, | |
| 223 | 200 int x, |
| 201 int y, | |
| 202 int isControl) | |
| 203 { | |
| 228 | 204 if (deltaY != 0) |
| 223 | 205 { |
| 206 OrthancStone::MouseWheelDirection direction = (deltaY < 0 ? | |
| 207 OrthancStone::MouseWheelDirection_Up : | |
| 208 OrthancStone::MouseWheelDirection_Down); | |
| 209 OrthancStone::KeyboardModifiers modifiers = OrthancStone::KeyboardModifiers_None; | |
| 210 | |
| 211 if (isControl != 0) | |
| 212 { | |
| 213 modifiers = OrthancStone::KeyboardModifiers_Control; | |
| 214 } | |
| 215 | |
| 228 | 216 viewport->MouseWheel(direction, x, y, modifiers); |
| 223 | 217 } |
| 218 } | |
| 219 | |
| 220 | |
| 228 | 221 void EMSCRIPTEN_KEEPALIVE ViewportMouseMove(ViewportHandle viewport, |
| 222 int x, | |
| 223 | 223 int y) |
| 224 { | |
| 228 | 225 viewport->MouseMove(x, y); |
| 223 | 226 } |
| 227 | |
| 228 | 228 void EMSCRIPTEN_KEEPALIVE ViewportKeyPressed(ViewportHandle viewport, |
| 327 | 229 int key, |
| 230 const char* keyChar, | |
| 223 | 231 bool isShiftPressed, |
| 232 bool isControlPressed, | |
| 233 bool isAltPressed) | |
| 234 | |
| 235 { | |
| 228 | 236 OrthancStone::KeyboardModifiers modifiers = OrthancStone::KeyboardModifiers_None; |
| 237 if (isShiftPressed) { | |
| 238 modifiers = static_cast<OrthancStone::KeyboardModifiers>(modifiers + OrthancStone::KeyboardModifiers_Shift); | |
| 223 | 239 } |
| 228 | 240 if (isControlPressed) { |
| 241 modifiers = static_cast<OrthancStone::KeyboardModifiers>(modifiers + OrthancStone::KeyboardModifiers_Control); | |
| 242 } | |
| 243 if (isAltPressed) { | |
| 244 modifiers = static_cast<OrthancStone::KeyboardModifiers>(modifiers + OrthancStone::KeyboardModifiers_Alt); | |
| 245 } | |
| 327 | 246 |
| 247 char c = 0; | |
| 248 if (keyChar != NULL && key == OrthancStone::KeyboardKeys_Generic) { | |
| 249 c = keyChar[0]; | |
| 250 } | |
| 251 viewport->KeyPressed(static_cast<OrthancStone::KeyboardKeys>(key), c, modifiers); | |
| 223 | 252 } |
| 253 | |
| 254 | |
| 228 | 255 void EMSCRIPTEN_KEEPALIVE ViewportMouseUp(ViewportHandle viewport) |
| 223 | 256 { |
| 228 | 257 viewport->MouseUp(); |
| 223 | 258 } |
| 259 | |
| 260 | |
| 228 | 261 void EMSCRIPTEN_KEEPALIVE ViewportMouseEnter(ViewportHandle viewport) |
| 223 | 262 { |
| 228 | 263 viewport->MouseEnter(); |
| 223 | 264 } |
| 265 | |
| 266 | |
| 228 | 267 void EMSCRIPTEN_KEEPALIVE ViewportMouseLeave(ViewportHandle viewport) |
| 223 | 268 { |
| 228 | 269 viewport->MouseLeave(); |
| 223 | 270 } |
| 271 | |
| 287 | 272 const char* EMSCRIPTEN_KEEPALIVE SendMessageToStoneApplication(const char* message) |
| 273 { | |
| 274 static std::string output; // we don't want the string to be deallocated when we return to JS code so we always use the same string (this is fine since JS is single-thread) | |
| 275 | |
| 307 | 276 printf("SendMessageToStoneApplication\n"); |
| 309 | 277 printf("%s", message); |
| 307 | 278 |
| 279 if (applicationWasmAdapter.get() != NULL) { | |
| 280 printf("sending message to C++\n"); | |
| 281 applicationWasmAdapter->HandleMessageFromWeb(output, std::string(message)); | |
| 287 | 282 return output.c_str(); |
| 283 } | |
| 307 | 284 printf("This stone application does not have a Web Adapter"); |
| 285 return NULL; | |
| 287 | 286 } |
| 287 | |
| 223 | 288 |
| 289 #ifdef __cplusplus | |
| 290 } | |
| 291 #endif |