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Palette index: rustfmt

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bflatastic committed 2026-10-13 10:52:38 +07:00
1 parent cca3a63e4a
commit 670946ef75
1 file changed
+13 -18
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crates/render/src/encode/quantize.rs
+13 -18
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@@ -421,9 +421,7 @@ impl<'a> PaletteIndex<'a> {
hi[axis] = hi[axis].max(c[axis]);
}
}
let axis = (0..3)
.max_by(|&a, &b| (w[a] * (hi[a] - lo[a])).total_cmp(&(w[b] * (hi[b] - lo[b]))))
.unwrap_or(0);
let axis = (0..3).max_by(|&a, &b| (w[a] * (hi[a] - lo[a])).total_cmp(&(w[b] * (hi[b] - lo[b])))).unwrap_or(0);
let mid = ids.len() / 2;
ids.select_nth_unstable_by(mid, |&a, &b| {
let ac = colors.get(a).map_or(0.0, |c| c[axis]);
@@ -624,15 +622,16 @@ mod nearest_tests {
for size in [0, 1, 2, 8, 12, 13, 16, 17, 32, 64, 128, 256] {
// Include duplicated colours, close k-means-style floating-point centres,
// and a wide colour gamut. Query points are fractional, as with dithering.
let colors: Vec<[f32; 3]> = (0..size)
.map(|i| {
if i % 11 == 0 {
[127.0, 127.0, 127.0]
} else {
[0, 1, 2].map(|_| (next(&mut seed) % 65_536) as f32 * (255.0 / 65_535.0))
}
})
.collect();
let colors: Vec<[f32; 3]> =
(0..size)
.map(|i| {
if i % 11 == 0 {
[127.0, 127.0, 127.0]
} else {
[0, 1, 2].map(|_| (next(&mut seed) % 65_536) as f32 * (255.0 / 65_535.0))
}
})
.collect();
let index = PaletteIndex::new(&colors, w);
for _ in 0..500 {
let c = [0, 1, 2].map(|_| (next(&mut seed) % 65_536) as f32 * (255.0 / 65_535.0));
@@ -662,12 +661,8 @@ mod nearest_tests {
use std::time::Instant;
let mut seed = 0x87bb_7641;
let colors: Vec<[f32; 3]> = (0..256)
.map(|_| [0, 1, 2].map(|_| (next(&mut seed) % 256) as f32))
.collect();
let queries: Vec<[f32; 3]> = (0..100_000)
.map(|_| [0, 1, 2].map(|_| (next(&mut seed) % 65_536) as f32 * (255.0 / 65_535.0)))
.collect();
let colors: Vec<[f32; 3]> = (0..256).map(|_| [0, 1, 2].map(|_| (next(&mut seed) % 256) as f32)).collect();
let queries: Vec<[f32; 3]> = (0..100_000).map(|_| [0, 1, 2].map(|_| (next(&mut seed) % 65_536) as f32 * (255.0 / 65_535.0))).collect();
let w = [0.55, 0.77, 0.34];
let start = Instant::now();
let baseline: Vec<_> = queries.iter().map(|&c| linear(&colors, c, w)).collect();