lib/DrawingUtils.js
function handleImageLoad (imageUrl) {
  _backingStores.forEach(function (backingStore) {
    if (layerContainsImage(backingStore.layer, imageUrl)) {
      invalidateBackingStore(backingStore.id);
    }
  });
}
function handleImageLoad (imageUrl) {
  _backingStores.forEach(function (backingStore) {
    if (layerContainsImage(backingStore.layer, imageUrl)) {
      invalidateBackingStore(backingStore.id);
    }
  });
}
function handleImageLoad ( imageUrl ) { _backingStores . forEach ( function ( backingStore ) { if ( layerContainsImage ( backingStore . layer , imageUrl ) ) { invalidateBackingStore ( backingStore . id ) ; } } ) ; }
Invalidates the backing stores for layers which contain an image layer
associated with the given imageUrl.

@param {String} imageUrl
Invalidates the backing stores for layers which contain an image layer associated with the given imageUrl .