three
Version:
JavaScript 3D library
100 lines (51 loc) • 1.59 kB
JavaScript
/**
* @author mrdoob / http://mrdoob.com/
*/
THREE.ImageLoader = function ( manager ) {
this.manager = ( manager !== undefined ) ? manager : THREE.DefaultLoadingManager;
};
THREE.ImageLoader.prototype = {
constructor: THREE.ImageLoader,
load: function ( url, onLoad, onProgress, onError ) {
if ( this.path !== undefined ) url = this.path + url;
var scope = this;
var cached = THREE.Cache.get( url );
if ( cached !== undefined ) {
scope.manager.itemStart( url );
if ( onLoad ) {
setTimeout( function () {
onLoad( cached );
scope.manager.itemEnd( url );
}, 0 );
} else {
scope.manager.itemEnd( url );
}
return cached;
}
var image = document.createElement( 'img' );
image.addEventListener( 'load', function ( event ) {
THREE.Cache.add( url, this );
if ( onLoad ) onLoad( this );
scope.manager.itemEnd( url );
}, false );
if ( onProgress !== undefined ) {
image.addEventListener( 'progress', function ( event ) {
onProgress( event );
}, false );
}
image.addEventListener( 'error', function ( event ) {
if ( onError ) onError( event );
scope.manager.itemError( url );
}, false );
if ( this.crossOrigin !== undefined ) image.crossOrigin = this.crossOrigin;
scope.manager.itemStart( url );
image.src = url;
return image;
},
setCrossOrigin: function ( value ) {
this.crossOrigin = value;
},
setPath: function ( value ) {
this.path = value;
}
};