FX

package imageloader;
import javafx.stage.*;
import javafx.scene.image.*;
import javafx.scene.*;

var img = Image {
    backgroundLoading: true
    url: "http://farm4.static.flickr.com/3258/2332524746_3c984ed723_b.jpg"
};

var spinner = ImageLoadingSpinner { image: img width: 600 height: 400 };

Stage {
    scene: Scene { content: spinner }
}