Mercurial > hg > orthanc-stone
diff Platforms/Wasm/wasm-application.ts @ 236:f73d722d98c8 am
renamed folder
author | am@osimis.io |
---|---|
date | Tue, 19 Jun 2018 16:06:32 +0200 |
parents | Platforms/WebAssembly/wasm-application.ts@68856534f005 |
children | 126c9c0c9333 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Platforms/Wasm/wasm-application.ts Tue Jun 19 16:06:32 2018 +0200 @@ -0,0 +1,119 @@ +///<reference path='stone-framework-loader.ts'/> +///<reference path='wasm-viewport.ts'/> + +if (!('WebAssembly' in window)) { + alert('Sorry, your browser does not support WebAssembly :('); +} + +declare var StoneFrameworkModule : Stone.Framework; + +// global functions +var WasmWebService_NotifyError: Function = null; +var WasmWebService_NotifySuccess: Function = null; +var NotifyUpdateContent: Function = null; +var SetStartupParameter: Function = null; +var CreateWasmApplication: Function = null; +var CreateCppViewport: Function = null; +var ReleaseCppViewport: Function = null; +var StartWasmApplication: Function = null; + + +function UpdateContentThread() { + if (NotifyUpdateContent != null) { + NotifyUpdateContent(); + } + + setTimeout(UpdateContentThread, 100); // Update the viewport content every 100ms if need be +} + + +function GetUriParameters() { + var parameters = window.location.search.substr(1); + + if (parameters != null && + parameters != '') { + var result = {}; + var tokens = parameters.split('&'); + + for (var i = 0; i < tokens.length; i++) { + var tmp = tokens[i].split('='); + if (tmp.length == 2) { + result[tmp[0]] = decodeURIComponent(tmp[1]); + } + } + + return result; + } + else { + return {}; + } +} + +module Stone { + + // export declare type InitializationCallback = () => void; + + // export declare var StoneFrameworkModule : any; + + //const ASSETS_FOLDER : string = "assets/lib"; + //const WASM_FILENAME : string = "orthanc-framework"; + + export class WasmApplication { + + private viewport_: WasmViewport; + private canvasId_: string; + + private pimpl_: any; // Private pointer to the underlying WebAssembly C++ object + + public constructor(canvasId: string) { + this.canvasId_ = canvasId; + //this.module_ = module; + } + } +} + + +function InitializeWasmApplication(canvasId: string): void { + + /************************************** */ + CreateWasmApplication(); + + // parse uri and transmit the parameters to the app before initializing it + var parameters = GetUriParameters(); + + for (var key in parameters) { + if (parameters.hasOwnProperty(key)) { + SetStartupParameter(key, parameters[key]); + } + } + + StartWasmApplication(); + /************************************** */ + + UpdateContentThread(); +} + +// Wait for the Orthanc Framework to be initialized (this initializes +// the WebAssembly environment) and then, create and initialize the Wasm application +Stone.Framework.Initialize(true, function () { + + console.log("Connecting C++ methods to JS methods"); + + SetStartupParameter = StoneFrameworkModule.cwrap('SetStartupParameter', null, ['string', 'string']); + CreateWasmApplication = StoneFrameworkModule.cwrap('CreateWasmApplication', null, ['number']); + CreateCppViewport = StoneFrameworkModule.cwrap('CreateCppViewport', 'number', []); + ReleaseCppViewport = StoneFrameworkModule.cwrap('ReleaseCppViewport', null, ['number']); + StartWasmApplication = StoneFrameworkModule.cwrap('StartWasmApplication', null, ['number']); + + WasmWebService_NotifySuccess = StoneFrameworkModule.cwrap('WasmWebService_NotifySuccess', null, ['number', 'string', 'array', 'number', 'number']); + WasmWebService_NotifyError = StoneFrameworkModule.cwrap('WasmWebService_NotifyError', null, ['number', 'string', 'number']); + NotifyUpdateContent = StoneFrameworkModule.cwrap('NotifyUpdateContent', null, []); + + // Prevent scrolling + document.body.addEventListener('touchmove', function (event) { + event.preventDefault(); + }, false); + + + InitializeWasmApplication("canvas"); +}); \ No newline at end of file