mrdoob · Mugen87 · Aug 24, 2019 · Aug 24, 2019
diff --git a/docs/api/en/loaders/ImageBitmapLoader.html b/docs/api/en/loaders/ImageBitmapLoader.html
@@ -8,6 +8,8 @@
 		<link type="text/css" rel="stylesheet" href="page.css" />
 	</head>
 	<body>
+		[page:Loader] &rarr;
+
 		<h1>[name]</h1>
 
 		<p class="desc">
@@ -68,19 +70,13 @@ <h3>[name]( [param:LoadingManager manager] )</h3>
 		</p>
 
 		<h2>Properties</h2>
-
-		<h3>[property:LoadingManager manager]</h3>
-		<p>
-			The [page:LoadingManager loadingManager] the loader is using. Default is [page:DefaultLoadingManager].
-		</p>
+		<p>See the base [page:Loader] class for common properties.</p>
 
 		<h3>[property:String options]</h3>
 		<p>An optional object that sets options for the internally used [link:https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/createImageBitmap createImageBitmap] factory method. Default is *undefined*.</p>
 
-		<h3>[property:String path]</h3>
-		<p>The base path from which files will be loaded. See [page:.setPath]. Default is *undefined*.</p>
-
 		<h2>Methods</h2>
+		<p>See the base [page:Loader] class for common methods.</p>
 
 		<h3>[method:null load]( [param:String url], [param:Function onLoad], [param:Function onProgress], [param:Function onError] )</h3>
 		<p>
@@ -94,21 +90,11 @@ <h3>[method:null load]( [param:String url], [param:Function onLoad], [param:Func
 		Begin loading from url and return the [page:ImageBitmap image] object that will contain the data.
 		</p>
 
-		<h3>[method:ImageBitmapLoader setCrossOrigin]()</h3>
-		<p>This method exists for compatibility reasons and implements no logic. It ensures that [name] has a similar interface like [page:ImageLoader].</p>
-
 		<h3>[method:ImageBitmapLoader setOptions]( [param:Object options] )</h3>
 		<p>
 			Sets the options object for [link:https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/createImageBitmap createImageBitmap].
 		</p>
 
-		<h3>[method:ImageBitmapLoader setPath]( [param:String path] )</h3>
-		<p>
-			Sets the base path or URL from which to load files. This can be useful if
-			you are loading many images from the same directory.
-		</p>
-
-
 		<h2>Source</h2>
 
 		[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]

diff --git a/docs/api/zh/loaders/ImageBitmapLoader.html b/docs/api/zh/loaders/ImageBitmapLoader.html
@@ -8,6 +8,8 @@
 		<link type="text/css" rel="stylesheet" href="page.css" />
 	</head>
 	<body>
+		[page:Loader] &rarr;
+
 		<h1>[name]</h1>
 
 		<p class="desc">
@@ -68,20 +70,15 @@ <h3>[name]( [param:LoadingManager manager] )</h3>
 		</p>
 
 		<h2>属性</h2>
+		<p>See the base [page:Loader] class for common properties.</p>
 
-		<h3>[property:LoadingManager manager]</h3>
-		<p>
-            加载器正在使用的[page:LoadingManager loadingManager] ，默认为[page:DefaultLoadingManager].
-		</p>
 
 		<h3>[property:String options]</h3>
 		<p>一个可选对象，用来设置内部使用的[link:https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/createImageBitmap createImageBitmap]工厂方法，
             默认为*undefined*.</p>
 
-		<h3>[property:String path]</h3>
-		<p>所要加载文件的基本路径。 请参考[page:.setPath]，默认为*undefined*。</p>
-
 		<h2>方法</h2>
+		<p>See the base [page:Loader] class for common methods.</p>
 
 		<h3>[method:null load]( [param:String url], [param:Function onLoad], [param:Function onProgress], [param:Function onError] )</h3>
 		<p>
@@ -95,20 +92,11 @@ <h3>[method:null load]( [param:String url], [param:Function onLoad], [param:Func
             从URL中进行加载，并返回将包含数据的[page:ImageBitmap image]对象。
 		</p>
 
-		<h3>[method:ImageBitmapLoader setCrossOrigin]()</h3>
-		<p>此方法出于兼容性原因而存在，并且不实现逻辑。它确保[name]具有[page:ImageLoader]的类似接口。</p>
-
 		<h3>[method:ImageBitmapLoader setOptions]( [param:Object options] )</h3>
 		<p>
 			设置[link:https://developer.mozilla.org/en-US/docs/Web/API/WindowOrWorkerGlobalScope/createImageBitmap createImageBitmap]的选项对象。
 		</p>
 
-		<h3>[method:ImageBitmapLoader setPath]( [param:String path] )</h3>
-		<p>
-            设置加载文件的基本路径或URL。当加载同一目录中下的许多图片时，此方法将很有用。
-		</p>
-
-
 		<h2>源</h2>
 
 		[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]

diff --git a/src/loaders/ImageBitmapLoader.d.ts b/src/loaders/ImageBitmapLoader.d.ts
@@ -1,19 +1,18 @@
+import { Loader } from './Loader';
 import { LoadingManager } from './LoadingManager.js';
 
-export class ImageBitmapLoader {
+export class ImageBitmapLoader extends Loader {
 
 	constructor( manager?: LoadingManager );
 
-	manager: LoadingManager;
+	options: undefined | object;
 
-	setOptions( options: any ): ImageBitmapLoader;
+	setOptions( options: object ): ImageBitmapLoader;
 	load(
 		url: string,
 		onLoad?: ( response: string | ArrayBuffer ) => void,
 		onProgress?: ( request: ProgressEvent ) => void,
 		onError?: ( event: ErrorEvent ) => void
 	): any;
-	setCrossOrigin(): ImageBitmapLoader;
-	setPath( path: string ): ImageBitmapLoader;
 
 }
diff --git a/src/loaders/ImageBitmapLoader.js b/src/loaders/ImageBitmapLoader.js
@@ -3,7 +3,7 @@
  */
 
 import { Cache } from './Cache.js';
-import { DefaultLoadingManager } from './LoadingManager.js';
+import { Loader } from './Loader.js';
 
 
 function ImageBitmapLoader( manager ) {
@@ -20,12 +20,13 @@ function ImageBitmapLoader( manager ) {
 
 	}
 
-	this.manager = manager !== undefined ? manager : DefaultLoadingManager;
+	Loader.call( this, manager );
+
 	this.options = undefined;
 
 }
 
-ImageBitmapLoader.prototype = {
+ImageBitmapLoader.prototype = Object.assign( Object.create( Loader.prototype ), {
 
 	constructor: ImageBitmapLoader,
 
@@ -101,21 +102,8 @@ ImageBitmapLoader.prototype = {
 
 		scope.manager.itemStart( url );
 
-	},
-
-	setCrossOrigin: function ( /* value */ ) {
-
-		return this;
-
-	},
-
-	setPath: function ( value ) {
-
-		this.path = value;
-		return this;
-
 	}
 
-};
+} );
 
 export { ImageBitmapLoader };