Specify the image storage to load.
Note that the file name specified here includes the extension.
If there is no extension, the file will not be found and an error will occur.
戻り値
なし (void)
説明
Loads an image asynchronously.
The completion of reading can be received by Bitmap.onLoaded.
You can check whether it is being read asynchronously with Bitmap.loading.
During asynchronous reading, accessing members other than Bitmap.loading will cause an exception.
Also check the description of Bitmap.onLoaded.