Function png::adam7::expand_adam7_bits

source · 
fn expand_adam7_bits(
    pass: u8,
    width: usize,
    line_no: usize,
    bits_pp: usize
) -> StepBy<Range<usize>>
Expand description

Given pass, image width, and line number, produce an iterator of bit positions of pixels to copy from the input scanline to the image buffer.