fireball/lib/loaders/TextureLoader.js

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2018-12-25 13:59:22 +00:00
/**
* @author mrdoob / http://mrdoob.com/
*/
import { RGBAFormat, RGBFormat } from '../constants.js';
import { ImageLoader } from './ImageLoader.js';
import { Texture } from '../textures/Texture.js';
import { DefaultLoadingManager } from './LoadingManager.js';
function TextureLoader( manager ) {
this.manager = ( manager !== undefined ) ? manager : DefaultLoadingManager;
}
Object.assign( TextureLoader.prototype, {
crossOrigin: 'anonymous',
load: function ( url, onLoad, onProgress, onError ) {
var texture = new Texture();
var loader = new ImageLoader( this.manager );
loader.setCrossOrigin( this.crossOrigin );
loader.setPath( this.path );
loader.load( url, function ( image ) {
texture.image = image;
// JPEGs can't have an alpha channel, so memory can be saved by storing them as RGB.
var isJPEG = url.search( /\.jpe?g$/i ) > 0 || url.search( /^data\:image\/jpeg/ ) === 0;
texture.format = isJPEG ? RGBFormat : RGBAFormat;
texture.needsUpdate = true;
if ( onLoad !== undefined ) {
onLoad( texture );
}
}, onProgress, onError );
return texture;
},
setCrossOrigin: function ( value ) {
this.crossOrigin = value;
return this;
},
setPath: function ( value ) {
this.path = value;
return this;
}
} );
export { TextureLoader };