Mercurial > hg > orthanc-stone
view Applications/Samples/WebAssembly/SingleFrameViewer/SingleFrameViewer.cpp @ 2146:743fa9c74443 dicom-sr tip
integration mainline->dicom-sr
author | Sebastien Jodogne <s.jodogne@gmail.com> |
---|---|
date | Fri, 16 Aug 2024 18:09:53 +0200 |
parents | 16c01cc201e7 |
children |
line wrap: on
line source
/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2023 Osimis S.A., Belgium * Copyright (C) 2021-2024 Sebastien Jodogne, ICTEAM UCLouvain, Belgium * * This program is free software: you can redistribute it and/or * modify it under the terms of the GNU Affero General Public License * as published by the Free Software Foundation, either version 3 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. **/ #include "SingleFrameViewerApplication.h" #include "../../../../OrthancStone/Sources/Platforms/WebAssembly/WebAssemblyLoadersContext.h" #include "../../../../OrthancStone/Sources/Platforms/WebAssembly/WebGLViewport.h" #include "../../../../OrthancStone/Sources/Platforms/WebAssembly/WebGLViewportsRegistry.h" #include "../../../../OrthancStone/Sources/StoneException.h" #include "../../../../OrthancStone/Sources/StoneInitialization.h" #include <Compatibility.h> // For std::unique_ptr<> #include <Toolbox.h> #include <emscripten.h> #include <emscripten/html5.h> #define DISPATCH_JAVASCRIPT_EVENT(name) \ EM_ASM( \ const customEvent = document.createEvent("CustomEvent"); \ customEvent.initCustomEvent(name, false, false, undefined); \ window.dispatchEvent(customEvent); \ ); #define EXTERN_CATCH_EXCEPTIONS \ catch (Orthanc::OrthancException& e) \ { \ LOG(ERROR) << "OrthancException: " << e.What(); \ DISPATCH_JAVASCRIPT_EVENT("StoneException"); \ } \ catch (OrthancStone::StoneException& e) \ { \ LOG(ERROR) << "StoneException: " << e.What(); \ DISPATCH_JAVASCRIPT_EVENT("StoneException"); \ } \ catch (std::exception& e) \ { \ LOG(ERROR) << "Runtime error: " << e.what(); \ DISPATCH_JAVASCRIPT_EVENT("StoneException"); \ } \ catch (...) \ { \ LOG(ERROR) << "Native exception"; \ DISPATCH_JAVASCRIPT_EVENT("StoneException"); \ } namespace OrthancStone { } static std::unique_ptr<OrthancStone::WebAssemblyLoadersContext> context_; static boost::shared_ptr<OrthancStone::Application> application_; extern "C" { int main(int argc, char const *argv[]) { try { Orthanc::Logging::Initialize(); Orthanc::Logging::EnableInfoLevel(true); //Orthanc::Logging::EnableTraceLevel(true); LOG(WARNING) << "Initializing native Stone"; LOG(WARNING) << "Compiled with Emscripten " << __EMSCRIPTEN_major__ << "." << __EMSCRIPTEN_minor__ << "." << __EMSCRIPTEN_tiny__; LOG(INFO) << "Endianness: " << Orthanc::EnumerationToString(Orthanc::Toolbox::DetectEndianness()); context_.reset(new OrthancStone::WebAssemblyLoadersContext(1, 4, 1)); context_->SetLocalOrthanc(".."); context_->SetDicomCacheSize(128 * 1024 * 1024); // 128MB DISPATCH_JAVASCRIPT_EVENT("WasmModuleInitialized"); } EXTERN_CATCH_EXCEPTIONS; return 0; } EMSCRIPTEN_KEEPALIVE void InitializeViewport(const char* canvasId) { try { if (context_.get() == NULL) { throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls, "The loaders context is not available yet"); } if (application_.get() != NULL) { throw Orthanc::OrthancException(Orthanc::ErrorCode_BadSequenceOfCalls, "Only one single viewport is available for this application"); } boost::shared_ptr<OrthancStone::WebGLViewport> viewport( OrthancStone::WebGLViewportsRegistry::GetGlobalRegistry().Add(canvasId)); application_ = OrthancStone::Application::Create(*context_, viewport); { OrthancStone::WebGLViewportsRegistry::Accessor accessor( OrthancStone::WebGLViewportsRegistry::GetGlobalRegistry(), canvasId); if (accessor.IsValid()) { accessor.GetViewport().Invalidate(); } } } EXTERN_CATCH_EXCEPTIONS; } EMSCRIPTEN_KEEPALIVE void LoadFromOrthanc(const char* instance, int frame) { try { if (application_.get() != NULL) { OrthancStone::DicomSource source; application_->LoadOrthancFrame(source, instance, frame); } } EXTERN_CATCH_EXCEPTIONS; } EMSCRIPTEN_KEEPALIVE void LoadFromDicomWeb(const char* server, const char* studyInstanceUid, const char* seriesInstanceUid, const char* sopInstanceUid, int frame) { try { if (application_.get() != NULL) { OrthancStone::DicomSource source; source.SetDicomWebThroughOrthancSource(server); application_->LoadDicomWebFrame(source, studyInstanceUid, seriesInstanceUid, sopInstanceUid, frame); } } EXTERN_CATCH_EXCEPTIONS; } }