Mercurial > hg > orthanc-stone
view Applications/Samples/WebAssembly/RtViewer/RtViewerWasmApp.js @ 1923:f4cdcba8c32a
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author | Sebastien Jodogne <s.jodogne@gmail.com> |
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date | Tue, 22 Mar 2022 17:39:19 +0100 |
parents | 7053b8a0aaec |
children | 07964689cb0b |
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/** * Stone of Orthanc * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics * Department, University Hospital of Liege, Belgium * Copyright (C) 2017-2022 Osimis S.A., Belgium * Copyright (C) 2021-2022 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/>. **/ // This object wraps the functions exposed by the wasm module const WasmModuleWrapper = function() { this._InitializeViewport = undefined; }; WasmModuleWrapper.prototype.Setup = function(Module) { this._SetArgument = Module.cwrap('SetArgument', null, [ 'string', 'string' ]); this._Initialize = Module.cwrap('Initialize', null, [ 'string' ]); }; WasmModuleWrapper.prototype.SetArgument = function(key, value) { this._SetArgument(key, value); }; WasmModuleWrapper.prototype.Initialize = function(canvasId) { this._Initialize(canvasId); }; var wasmModuleWrapper = new WasmModuleWrapper(); $(document).ready(function() { window.addEventListener('WasmModuleInitialized', function() { // bind the C++ global functions wasmModuleWrapper.Setup(Module); console.warn('Native C++ module initialized'); // Loop over the GET arguments var parameters = window.location.search.substr(1); if (parameters != null && parameters != '') { var tokens = parameters.split('&'); for (var i = 0; i < tokens.length; i++) { var arg = tokens[i].split('='); if (arg.length == 2) { // Send each GET argument to WebAssembly wasmModuleWrapper.SetArgument(arg[0], decodeURIComponent(arg[1])); } } } wasmModuleWrapper.Initialize(); }); window.addEventListener('StoneException', function() { alert('Exception caught in C++ code'); }); var scriptSource; if ('WebAssembly' in window) { console.warn('Loading WebAssembly'); scriptSource = 'RtViewerWasm.js'; } else { console.error('Your browser does not support WebAssembly!'); } // Option 1: Loading script using plain HTML /* var script = document.createElement('script'); script.src = scriptSource; script.type = 'text/javascript'; document.body.appendChild(script); */ // Option 2: Loading script using AJAX (gives the opportunity to // report explicit errors) axios.get(scriptSource) .then(function (response) { var script = document.createElement('script'); script.innerHTML = response.data; script.type = 'text/javascript'; document.body.appendChild(script); }) .catch(function (error) { alert('Cannot load the WebAssembly framework'); }); }); // http://localhost:9979/stone-rtviewer/index.html?loglevel=trace&ctseries=a04ecf01-79b2fc33-58239f7e-ad9db983-28e81afa&rtdose=830a69ff-8e4b5ee3-b7f966c8-bccc20fb-d322dceb&rtstruct=54460695-ba3885ee-ddf61ac0-f028e31d-a6e474d9