/** turns a stream into a Picture.Source and passes it to the callback */
public static Picture load(final JS stream, final Task callback) {
+ if(stream == null) throw new NullPointerException();
Picture ret = (Picture)cache.get(stream);
- if (ret == null) cache.put(stream, ret = Platform.createPicture(stream));
+ if (ret == null) {
+ ret = Platform.createPicture(stream);
+ if(ret == null) throw new NullPointerException();
+ cache.put(stream, ret);
+ }
final Picture p = ret;
if (!ret.isLoaded && callback != null) {
+ // FEATURE: This is kind of ugly - shouldn't need a blessing
final Ibex.Blessing b = Ibex.Blessing.getBlessing(stream);
new java.lang.Thread() { public void run() {
InputStream in = null;