pub(crate) fn read_alpha_chunk<R: BufRead>(
reader: &mut R,
width: u16,
height: u16,
) -> Result<AlphaChunk, DecodingError>
pub(crate) fn read_alpha_chunk<R: BufRead>(
reader: &mut R,
width: u16,
height: u16,
) -> Result<AlphaChunk, DecodingError>