Due to an influx of spam, we have had to impose restrictions on new accounts. Please see this wiki page for instructions on how to get full permissions. Sorry for the inconvenience.
Handle buffers whose width is not aligned to 16px by padding the stride
and storing it accordingly.
This does not reject imports for images whose stride is not sufficiently
aligned, nor has it ever been tested since I don't currently have the
/cc @alyssa @tomeu @robh