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comparison Platforms/WebAssembly/wasm-application.ts @ 230:7d2631320615 am

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wasm-application.js is now in ts
author am@osimis.io
date Thu, 14 Jun 2018 17:14:10 +0200
parents b0ba3b38a23c
children 5027cb2feb51
comparison
equal deleted inserted replaced
229:b0ba3b38a23c 230:7d2631320615
1 ///<reference path='stone-framework-loader.ts'/> 1 ///<reference path='stone-framework-loader.ts'/>
2 ///<reference path='wasm-viewport.ts'/> 2 ///<reference path='wasm-viewport.ts'/>
3 3
4 if (!('WebAssembly' in window)) {
5 alert('Sorry, your browser does not support WebAssembly :(');
6 }
7
8 declare var StoneFrameworkModule : Stone.Framework;
9
10 var viewport = null;
11
12 // global functions
13 var WasmWebService_NotifyError: Function = null;
14 var WasmWebService_NotifySuccess: Function = null;
15 var NotifyUpdateContent: Function = null;
16 var SetStartupParameter: Function = null;
17 var CreateWasmApplication: Function = null;
18 var CreateCppViewport: Function = null;
19 var ReleaseCppViewport: Function = null;
20 var StartWasmApplication: Function = null;
21
22
23 function UpdateContentThread() {
24 if (NotifyUpdateContent != null) {
25 NotifyUpdateContent();
26 }
27
28 setTimeout(UpdateContentThread, 100); // Update the viewport content every 100ms if need be
29 }
30
31
32 function GetUriParameters() {
33 var parameters = window.location.search.substr(1);
34
35 if (parameters != null &&
36 parameters != '') {
37 var result = {};
38 var tokens = parameters.split('&');
39
40 for (var i = 0; i < tokens.length; i++) {
41 var tmp = tokens[i].split('=');
42 if (tmp.length == 2) {
43 result[tmp[0]] = decodeURIComponent(tmp[1]);
44 }
45 }
46
47 return result;
48 }
49 else {
50 return {};
51 }
52 }
53
4 module Stone { 54 module Stone {
5 55
6 // export declare type InitializationCallback = () => void; 56 // export declare type InitializationCallback = () => void;
7 57
8 // export declare var StoneFrameworkModule : any; 58 // export declare var StoneFrameworkModule : any;
9 59
10 //const ASSETS_FOLDER : string = "assets/lib"; 60 //const ASSETS_FOLDER : string = "assets/lib";
11 //const WASM_FILENAME : string = "orthanc-framework"; 61 //const WASM_FILENAME : string = "orthanc-framework";
12 62
13 export class WasmApplication { 63 export class WasmApplication {
14 64
15 private viewport_ : WasmViewport; 65 private viewport_: WasmViewport;
16 private canvasId_: string; 66 private canvasId_: string;
17 67
18 private pimpl_ : any; // Private pointer to the underlying WebAssembly C++ object 68 private pimpl_: any; // Private pointer to the underlying WebAssembly C++ object
19 69
20 public constructor(canvasId: string) { 70 public constructor(canvasId: string) {
21 this.canvasId_ = canvasId; 71 this.canvasId_ = canvasId;
22 //this.module_ = module; 72 //this.module_ = module;
23 } 73 }
24 } 74 }
25 } 75 }
26
27
28 declare function InitializeWasmApplication(canvasId: string) :void; // still in a js file
29 76
30 77
78 function InitializeWasmApplication(canvasId: string): void {
31 79
80 console.log("Creating main viewport");
81
82 viewport = new Stone.WasmViewport(StoneFrameworkModule, canvasId);
83 viewport.Initialize(CreateCppViewport());
84
85 document.getElementById(canvasId).onclick = function () {
86 viewport.Redraw();
87 };
88
89
90 /************************************** */
91 CreateWasmApplication();
92
93 // parse uri and transmit the parameters to the app before initializing it
94 var parameters = GetUriParameters();
95
96 for (var key in parameters) {
97 if (parameters.hasOwnProperty(key)) {
98 SetStartupParameter(key, parameters[key]);
99 }
100 }
101
102 StartWasmApplication(viewport.GetCppViewport());
103 /************************************** */
104
105 UpdateContentThread();
106 }
32 107
33 // Wait for the Orthanc Framework to be initialized (this initializes 108 // Wait for the Orthanc Framework to be initialized (this initializes
34 // the WebAssembly environment) and then, create and initialize the Wasm application 109 // the WebAssembly environment) and then, create and initialize the Wasm application
35 Stone.Framework.Initialize(true, function() { 110 Stone.Framework.Initialize(true, function () {
111
112 console.log("Connecting C++ methods to JS methods");
113
114 SetStartupParameter = StoneFrameworkModule.cwrap('SetStartupParameter', null, ['string', 'string']);
115 CreateWasmApplication = StoneFrameworkModule.cwrap('CreateWasmApplication', null, ['any']);
116 CreateCppViewport = StoneFrameworkModule.cwrap('CreateCppViewport', 'any', []);
117 ReleaseCppViewport = StoneFrameworkModule.cwrap('ReleaseCppViewport', null, ['any']);
118 StartWasmApplication = StoneFrameworkModule.cwrap('StartWasmApplication', null, []);
119
120 WasmWebService_NotifySuccess = StoneFrameworkModule.cwrap('WasmWebService_NotifySuccess', null, ['number', 'string', 'array', 'number', 'number']);
121 WasmWebService_NotifyError = StoneFrameworkModule.cwrap('WasmWebService_NotifyError', null, ['number', 'string', 'number']);
122 NotifyUpdateContent = StoneFrameworkModule.cwrap('NotifyUpdateContent', null, []);
123
124 // Prevent scrolling
125 document.body.addEventListener('touchmove', function (event) {
126 event.preventDefault();
127 }, false);
128
129
36 InitializeWasmApplication("canvas"); 130 InitializeWasmApplication("canvas");
37 }); 131 });