return;
}
if (x > 0) && (y > 0) {
- let a = ((4 - x) * (4 - y)) as u16;
- let b = (( x) * (4 - y)) as u16;
- let c = ((4 - x) * ( y)) as u16;
- let d = (( x) * ( y)) as u16;
+ // 3,3 case is the same as 3,2 for some reason
+ let ymod = if (x == 3) && (y == 3) { 2 } else { y };
+ let a = ((4 - x) * (4 - ymod)) as u16;
+ let b = (( x) * (4 - ymod)) as u16;
+ let c = ((4 - x) * ( ymod)) as u16;
+ let d = (( x) * ( ymod)) as u16;
for _ in 0..h {
for x in 0..w {
dst[didx + x] = ((a * (src[sidx + x] as u16)
)
}
macro_rules! strength{
- ($el: expr, $lim: expr) => (if $el < $lim { 3 } else { 1 })
+ ($el: expr, $lim: expr) => (if $el.abs() < $lim { 3 } else { 1 })
}
fn clip_symm(val: i16, lim: i16) -> i16 { val.max(-lim).min(lim) }
};
dst[offset - step] = clip8((dst[offset - step] as i16) + delta);
dst[offset] = clip8((dst[offset] as i16) - delta);
- if (str_q != 1) && (diff_q1q2.abs() <= (lim1 >> 2)) {
+ if (str_q != 1) && (diff_q1q2.abs() <= (lim2 >> 2)) {
let diff = (diff_q1q0[y] + diff_q1q2 - delta) >> 1;
let delta_q1 = if weak {
clip_symm(diff, (mode1 >> 1) as i16)
};
dst[offset - 2 * step] = clip8((dst[offset - 2 * step] as i16) - delta_q1);
}
- if (str_p != 1) && (diff_p1p2.abs() <= (lim1 >> 2)) {
+ if (str_p != 1) && (diff_p1p2.abs() <= (lim2 >> 2)) {
let diff = (diff_p1p0[y] + diff_p1p2 + delta) >> 1;
let delta_p1 = if weak {
clip_symm(diff, (mode2 >> 1) as i16)