ccd49ac31f
80 findings, not the 14 the first run showed -- clippy stops at the first failing compilation unit, so `--keep-going` is what makes the list complete. 60 were machine-applicable (`cargo clippy --fix`). The rest by hand: * five descending `sort_by` -> `sort_by_key(Reverse(..))` * `chunks_exact(4)` on both sides of four zips, so the compared items stay `[u8; 4]` rather than one array against one slice * three `type` aliases for the census maps and the captured-quad tuple * `&PathBuf` -> `&Path` in two disc tests * two range loops; one of them keeps `#[allow(needless_range_loop)]` with the reason -- the index is into a map's value, which changes each iteration * the module doc list in `invert_capture` re-indented to markdown's rules * `blit`'s eight arguments get `#[allow(too_many_arguments)]`, not a struct One dead `let off = b.len();` in a `ratc` test is dropped rather than renamed. The sibling test at :162 is the one that asserts an offset; if this one was meant to as well, that is a test change and not a lint fix. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
100 lines
3.7 KiB
Rust
100 lines
3.7 KiB
Rust
//! Reconcile two ink counts for one screen that were never counting the same pixels.
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//!
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//! The port agent double-witnessed the pixel-cost claim in Godot — a renderer
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//! sharing no code with `compose` — and got `GP_TITLE` entry 12 at **59 530 px**
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//! ink above threshold 0 and **48 368** above 1. This crate reported **49 771**.
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//! Neither is wrong; the question is which convention each was using, and on a
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//! mostly-dark frame the answer moves thousands of pixels.
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//!
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//! So: count the same composite every way, and print the family. Whichever row
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//! the port's numbers land in is the convention, and then the two renderers can be
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//! compared on purpose rather than by coincidence.
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//!
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//! cargo run -p sylpheed-formats --example forced_backdrop_ink_thresholds
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use std::path::PathBuf;
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use sylpheed_formats::{pak::PakArchive, ui_layout};
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use ui_layout::ComposeOptions;
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fn order_without_rule(build: &ui_layout::UiBuild, bundle: &[u8]) -> Vec<usize> {
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let mut idx: Vec<usize> = (0..build.elements.len()).collect();
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idx.sort_by_key(|&i| {
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let el = &build.elements[i];
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(
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ui_layout::sprite_layer_key(build, bundle, el)
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.or_else(|| ui_layout::implied_layer_key(&el.name))
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.unwrap_or(u32::MAX),
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i,
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)
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});
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idx
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}
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fn counts(rgba: &[u8], t: u8) -> (usize, usize) {
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let rgb = rgba
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.as_chunks::<4>()
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.0
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.iter()
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.filter(|p| p[0] > t || p[1] > t || p[2] > t)
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.count();
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let alpha = rgba.as_chunks::<4>().0.iter().filter(|p| p[3] > t).count();
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(rgb, alpha)
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}
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fn main() {
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let root = PathBuf::from(std::env::var("SYLPHEED_DISC").expect("SYLPHEED_DISC"));
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let ar = PakArchive::open(root.join("dat/GP_TITLE.pak")).expect("GP_TITLE.pak");
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for entry in [12usize, 15] {
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let by = ar.read(&ar.entries()[entry]).expect("entry");
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let b = ui_layout::parse_build(&by).expect("parse");
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for (label, opts) in [
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(
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"primitives on (what the cost run used)",
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ComposeOptions {
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include_primitives: true,
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backdrop: [0, 0, 0, 255],
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..Default::default()
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},
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),
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(
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"primitives+focus+animated",
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ComposeOptions {
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include_primitives: true,
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include_focus: true,
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include_animated: true,
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backdrop: [0, 0, 0, 255],
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..Default::default()
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},
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),
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] {
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let with = ui_layout::derived_paint_order(&b, &by);
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let without = order_without_rule(&b, &by);
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let a = ui_layout::compose_with_order(&b, &by, opts, None, Some(&with));
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let c = ui_layout::compose_with_order(&b, &by, opts, None, Some(&without));
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println!(
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"\n== GP_TITLE entry {entry} — {label} ({}x{})",
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a.width, a.height
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);
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println!(
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" threshold | RGB>t with rule | A>t with rule | RGB>t WITHOUT | A>t WITHOUT"
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);
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for t in [0u8, 1, 2, 4, 8, 16] {
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let (r1, a1) = counts(&a.rgba, t);
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let (r0, a0) = counts(&c.rgba, t);
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println!(" >{t:<8} | {r1:>16} | {a1:>14} | {r0:>13} | {a0:>11}");
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}
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let changed = a
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.rgba
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.as_chunks::<4>()
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.0
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.iter()
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.zip(c.rgba.as_chunks::<4>().0.iter())
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.filter(|(x, y)| x != y)
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.count();
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println!(" exact-RGBA changed pixels between the two orders: {changed}");
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}
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}
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}
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