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comparison Samples/WebAssembly/SingleFrameViewer/SingleFrameViewerApp.js @ 1354:c0e4eb14c912 broker

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SingleFrameViewer WASM working OK
author Benjamin Golinvaux <bgo@osimis.io>
date Wed, 15 Apr 2020 12:59:15 +0200
parents
children 240531afdd2d
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1353:af65bce18951 1354:c0e4eb14c912
1
2 // This object wraps the functions exposed by the wasm module
3
4 const WasmModuleWrapper = function() {
5 this._InitializeViewport = undefined;
6 this._LoadOrthanc = undefined;
7 this._LoadDicomWeb = undefined;
8 };
9
10 WasmModuleWrapper.prototype.Setup = function(Module) {
11 this._InitializeViewport = Module.cwrap('InitializeViewport', null, [ 'string' ]);
12 this._LoadOrthanc = Module.cwrap('LoadOrthanc', null, [ 'string', 'int' ]);
13 this._LoadDicomWeb = Module.cwrap('LoadDicomWeb', null, [ 'string', 'string', 'string', 'string', 'int' ]);
14 };
15
16 WasmModuleWrapper.prototype.InitializeViewport = function(canvasId) {
17 this._InitializeViewport(canvasId);
18 };
19
20 WasmModuleWrapper.prototype.LoadOrthanc = function(instance, frame) {
21 this._LoadOrthanc(instance, frame);
22 };
23
24 WasmModuleWrapper.prototype.LoadDicomWeb = function(server, studyInstanceUid, seriesInstanceUid, sopInstanceUid, frame) {
25 this._LoadDicomWeb(server, studyInstanceUid, seriesInstanceUid, sopInstanceUid, frame);
26 };
27
28 var moduleWrapper = new WasmModuleWrapper();
29
30 $(document).ready(function() {
31
32 window.addEventListener('StoneInitialized', function() {
33 stone.Setup(Module);
34 console.warn('Native Stone properly intialized');
35
36 stone.InitializeViewport('viewport');
37 });
38
39 window.addEventListener('StoneException', function() {
40 alert('Exception caught in Stone');
41 });
42
43 var scriptSource;
44
45 if ('WebAssembly' in window) {
46 console.warn('Loading WebAssembly');
47 scriptSource = 'SingleFrameViewerWasm.js';
48 } else {
49 console.error('Your browser does not support WebAssembly!');
50 }
51
52 // Option 1: Loading script using plain HTML
53
54 /*
55 var script = document.createElement('script');
56 script.src = scriptSource;
57 script.type = 'text/javascript';
58 document.body.appendChild(script);
59 */
60
61 // Option 2: Loading script using AJAX (gives the opportunity to
62 // report explicit errors)
63
64 axios.get(scriptSource)
65 .then(function (response) {
66 var script = document.createElement('script');
67 script.innerHTML = response.data;
68 script.type = 'text/javascript';
69 document.body.appendChild(script);
70 })
71 .catch(function (error) {
72 alert('Cannot load the WebAssembly framework');
73 });
74 });
75
76
77 $('#orthancLoad').click(function() {
78 stone.LoadOrthanc($('#orthancInstance').val(),
79 $('#orthancFrame').val());
80 });
81
82
83 $('#dicomWebLoad').click(function() {
84 stone.LoadDicomWeb($('#dicomWebServer').val(),
85 $('#dicomWebStudy').val(),
86 $('#dicomWebSeries').val(),
87 $('#dicomWebInstance').val(),
88 $('#dicomWebFrame').val());
89 });