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