* helper method for web GL mode to figure out if the image * has been modified and might need to be re-uploaded to texture * memory between frames. * @private * @return {boolean} a boolean indicating whether or not the * image has been updated or modified since last texture upload.
()
| 1391 | * image has been updated or modified since last texture upload. |
| 1392 | */ |
| 1393 | isModified() { |
| 1394 | return this._modified; |
| 1395 | } |
| 1396 | |
| 1397 | /** |
| 1398 | * Saves the image to a file. |