Doodle3D-Slicer/three.js-master/docs/api/loaders/ImageLoader.html
2017-06-22 13:21:07 +02:00

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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<script src="../../list.js"></script>
<script src="../../page.js"></script>
<link type="text/css" rel="stylesheet" href="../../page.css" />
</head>
<body>
<h1>[name]</h1>
<div class="desc">A loader for loading an [page:Image].</div>
<h2>Constructor</h2>
<h3>[name]( [page:LoadingManager manager] )</h3>
<div>
[page:LoadingManager manager] — The [page:LoadingManager loadingManager] for the loader to use. Default is [page:LoadingManager THREE.DefaultLoadingManager].
</div>
<div>
Creates a new [name].
</div>
<h2>Properties</h2>
<h3>[property:String crossOrigin]</h3>
<div>
The crossOrigin string to implement CORS for loading the url from a different domain that allows CORS.
</div>
<h2>Methods</h2>
<h3>[method:null load]( [page:String url], [page:Function onLoad], [page:Function onProgress], [page:Function onError] )</h3>
<div>
[page:String url] — required<br />
[page:Function onLoad] — Will be called when load completes. The argument will be the loaded Imageloader.<br />
[page:Function onProgress] — Will be called while load progresses. The argument will be the progress event.<br />
[page:Function onError] — Will be called when load errors.<br />
</div>
<div>
Begin loading from url and return the [page:Image image] object that will contain the data.
</div>
<h3>[method:null setCrossOrigin]( [page:String value] )</h3>
<div>
[page:String value] — The crossOrigin string.
</div>
<div>
The crossOrigin string to implement CORS for loading the url from a different domain that allows CORS.
</div>
<h2>Example</h2>
<code>
// instantiate a loader
var loader = new THREE.ImageLoader();
// load a image resource
loader.load(
// resource URL
'textures/skyboxsun25degtest.png',
// Function when resource is loaded
function ( image ) {
// do something with it
// like drawing a part of it on a canvas
var canvas = document.createElement( 'canvas' );
var context = canvas.getContext( '2d' );
context.drawImage( image, 100, 100 );
},
// Function called when download progresses
function ( xhr ) {
console.log( (xhr.loaded / xhr.total * 100) + '% loaded' );
},
// Function called when download errors
function ( xhr ) {
console.log( 'An error happened' );
}
);
</code>
[example:webgl_shaders_ocean]
<h2>Source</h2>
[link:https://github.com/mrdoob/three.js/blob/master/src/[path].js src/[path].js]
</body>
</html>