Mercurial > hg > orthanc-stone
annotate Platforms/Wasm/Defaults.cpp @ 715:636eb0e4c9dd twiga-viewer-first-release
Adding SetApplicationParameters
| author | Benjamin Golinvaux <bgo@osimis.io> |
|---|---|
| date | Mon, 20 May 2019 18:42:39 +0200 |
| parents | 79bb0a02d1cc |
| children | 70992b38aa8a |
| 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 | |
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52 printf("There are now %lu viewports in C++\n", viewports_.size()); |
| 227 | 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 | |
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67 printf("There are now %lu viewports in C++\n", viewports_.size()); |
| 227 | 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 | |
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194 viewport->MouseDown(button, x, y, OrthancStone::KeyboardModifiers_None, std::vector<OrthancStone::Touch>()); |
| 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 { | |
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225 viewport->MouseMove(x, y, std::vector<OrthancStone::Touch>()); |
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226 } |
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227 |
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228 void GetTouchVector(std::vector<OrthancStone::Touch>& output, |
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229 int touchCount, |
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230 float x0, |
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231 float y0, |
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232 float x1, |
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233 float y1, |
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234 float x2, |
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235 float y2) |
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236 { |
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237 // TODO: it might be nice to try to pass all the x0,y0 coordinates as arrays but that's not so easy to pass array between JS and C++ |
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238 if (touchCount > 0) |
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239 { |
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240 output.push_back(OrthancStone::Touch(x0, y0)); |
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241 } |
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242 if (touchCount > 1) |
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243 { |
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244 output.push_back(OrthancStone::Touch(x1, y1)); |
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245 } |
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246 if (touchCount > 2) |
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247 { |
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248 output.push_back(OrthancStone::Touch(x2, y2)); |
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249 } |
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250 |
| 223 | 251 } |
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252 |
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253 void EMSCRIPTEN_KEEPALIVE ViewportTouchStart(ViewportHandle viewport, |
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254 int touchCount, |
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255 float x0, |
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256 float y0, |
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257 float x1, |
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258 float y1, |
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259 float x2, |
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260 float y2) |
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261 { |
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262 printf("touch start with %d touches\n", touchCount); |
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263 |
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264 std::vector<OrthancStone::Touch> touches; |
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265 GetTouchVector(touches, touchCount, x0, y0, x1, y1, x2, y2); |
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266 viewport->TouchStart(touches); |
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267 } |
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268 |
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269 void EMSCRIPTEN_KEEPALIVE ViewportTouchMove(ViewportHandle viewport, |
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270 int touchCount, |
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271 float x0, |
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272 float y0, |
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273 float x1, |
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274 float y1, |
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275 float x2, |
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276 float y2) |
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277 { |
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278 printf("touch move with %d touches\n", touchCount); |
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279 |
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280 std::vector<OrthancStone::Touch> touches; |
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281 GetTouchVector(touches, touchCount, x0, y0, x1, y1, x2, y2); |
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282 viewport->TouchMove(touches); |
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283 } |
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284 |
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285 void EMSCRIPTEN_KEEPALIVE ViewportTouchEnd(ViewportHandle viewport, |
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286 int touchCount, |
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287 float x0, |
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288 float y0, |
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289 float x1, |
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290 float y1, |
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291 float x2, |
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292 float y2) |
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293 { |
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294 printf("touch end with %d touches remaining\n", touchCount); |
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295 |
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296 std::vector<OrthancStone::Touch> touches; |
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297 GetTouchVector(touches, touchCount, x0, y0, x1, y1, x2, y2); |
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298 viewport->TouchEnd(touches); |
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299 } |
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300 |
| 228 | 301 void EMSCRIPTEN_KEEPALIVE ViewportKeyPressed(ViewportHandle viewport, |
| 327 | 302 int key, |
| 303 const char* keyChar, | |
| 223 | 304 bool isShiftPressed, |
| 305 bool isControlPressed, | |
| 306 bool isAltPressed) | |
| 307 | |
| 308 { | |
| 228 | 309 OrthancStone::KeyboardModifiers modifiers = OrthancStone::KeyboardModifiers_None; |
| 310 if (isShiftPressed) { | |
| 311 modifiers = static_cast<OrthancStone::KeyboardModifiers>(modifiers + OrthancStone::KeyboardModifiers_Shift); | |
| 223 | 312 } |
| 228 | 313 if (isControlPressed) { |
| 314 modifiers = static_cast<OrthancStone::KeyboardModifiers>(modifiers + OrthancStone::KeyboardModifiers_Control); | |
| 315 } | |
| 316 if (isAltPressed) { | |
| 317 modifiers = static_cast<OrthancStone::KeyboardModifiers>(modifiers + OrthancStone::KeyboardModifiers_Alt); | |
| 318 } | |
| 327 | 319 |
| 320 char c = 0; | |
| 321 if (keyChar != NULL && key == OrthancStone::KeyboardKeys_Generic) { | |
| 322 c = keyChar[0]; | |
| 323 } | |
| 324 viewport->KeyPressed(static_cast<OrthancStone::KeyboardKeys>(key), c, modifiers); | |
| 223 | 325 } |
| 326 | |
| 327 | |
| 228 | 328 void EMSCRIPTEN_KEEPALIVE ViewportMouseUp(ViewportHandle viewport) |
| 223 | 329 { |
| 228 | 330 viewport->MouseUp(); |
| 223 | 331 } |
| 332 | |
| 333 | |
| 228 | 334 void EMSCRIPTEN_KEEPALIVE ViewportMouseEnter(ViewportHandle viewport) |
| 223 | 335 { |
| 228 | 336 viewport->MouseEnter(); |
| 223 | 337 } |
| 338 | |
| 339 | |
| 228 | 340 void EMSCRIPTEN_KEEPALIVE ViewportMouseLeave(ViewportHandle viewport) |
| 223 | 341 { |
| 228 | 342 viewport->MouseLeave(); |
| 223 | 343 } |
| 344 | |
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345 const char* EMSCRIPTEN_KEEPALIVE SendSerializedMessageToStoneApplication(const char* message) |
| 287 | 346 { |
| 347 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) | |
| 348 | |
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349 printf("SendSerializedMessageToStoneApplication\n"); |
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350 printf("%s", message); |
| 307 | 351 |
| 352 if (applicationWasmAdapter.get() != NULL) { | |
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353 applicationWasmAdapter->HandleSerializedMessageFromWeb(output, std::string(message)); |
| 287 | 354 return output.c_str(); |
| 355 } | |
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356 printf("This Stone application does not have a Web Adapter"); |
| 307 | 357 return NULL; |
| 287 | 358 } |
| 359 | |
| 223 | 360 #ifdef __cplusplus |
| 361 } | |
| 362 #endif |