Unlucky Launcher v0.2.3
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//! 渲染层几何断言:**对着真截图量像素**(M68 的教训:纯函数返回对,图可能是错的)。
//!
//! `buttons::tests` 只能证明「几何结构体里的数字是 40/20/24」——M68 的药丸正是这样:单测全绿、
//! 图上是 88×32(容器被 `center_x(Length::Fill)` 覆盖)。唯一能抓住这类错误的是**真渲染的像素**。
//! CI 没有桌面,所以这里不自己开窗:先用 `--screen=gallery --screenshot` 出真窗截图,本测试读
//! 那张 PNG 量几何、与令牌逐项比对。**没给图就跳过并大声说出来**(不静默通过)。
//!
//! 复现命令(在 worktree 根目录):
//!
//! ```text
//! cargo build -p unlucky-app-iced --bin unlucky-launcher-iced
//! ./target/debug/unlucky-launcher-iced --software-renderer --screen=gallery \
//! --screenshot target/m75/gallery-light.png --screenshot-theme=light
//! ULL_GALLERY_SHOT=target/m75/gallery-light.png cargo test -p unlucky-app-iced gallery::probe
//! ```
//!
//! 量什么(每条对一个已发生过的错误):实心块高 **40**(12b 1.1)· 药丸顶行**左内缩 ≈14** ⇒ 圆角 full=20
//! (12b 1.2,8 圆角会接近通栏)· IconButton **40×40**(12b 2.1)· 字形墨迹 **16~26**
//! (Q9:24 盒被填满会到 40)· 分隔线 **1px**(22.1)· 禁用容器 **on-surface@10%**(按钮族)存在(12b 1.8)。
use unlucky_design::color::{Role, SchemeFlavor};
use unlucky_design::typography::Platform;
use crate::theme::{Families, Ui};
use crate::app::components::interaction;
use super::scan::{matches, nearer, rgb, Shot};
const FAMILIES: Families = Families {
text: "Segoe UI",
display: "Segoe UI",
mono: "Consolas",
};
fn ui(flavor: SchemeFlavor) -> Ui {
Ui::with_platform(flavor, Platform::Windows, FAMILIES)
}
/// 一条 1dp 细线在竖直方向的「墨量覆盖率」:各行相对底色的不透明度之和(1dp ⇒ ≈1.0)。
///
/// **只统计「长横线行」**(连续非底色像素 > 900):标题/正文那些行也有几百个零散墨迹像素,
/// 按「任意非底色像素数」筛会把文字算进墨量(首版实测 57.9,明显是文字被算进去了)。
fn line_coverage(shot: &Shot, surface: [u8; 3], line: [u8; 3]) -> f32 {
let mut total = 0.0;
for y in 0..shot.height {
let mut longest = 0;
let mut current = 0;
let mut sum = 0.0f32;
let mut run_sum = 0.0f32;
for x in 0..shot.width {
let pixel = shot.at(x, y);
if !matches(pixel, surface) {
current += 1;
run_sum += delta_ratio(pixel, surface, line);
if current > longest {
longest = current;
sum = run_sum;
}
} else {
current = 0;
run_sum = 0.0;
}
}
if longest > 900 {
total += sum / longest as f32;
}
}
total
}
/// `pixel` 相对 `surface` 的偏移占「满档 line 色偏移」的比例(0..=1)。
fn delta_ratio(pixel: [u8; 3], surface: [u8; 3], line: [u8; 3]) -> f32 {
let channel = |i: usize| {
let full = f32::from(line[i]) - f32::from(surface[i]);
if full.abs() < 1.0 {
return 0.0;
}
((f32::from(pixel[i]) - f32::from(surface[i])) / full).clamp(0.0, 1.0)
};
let (dr, dg, db) = (channel(0), channel(1), channel(2));
(dr + dg + db) / 3.0
}
/// `ULL_GALLERY_SHOT` → 截图路径(相对路径按**工作区根**解释:`cargo test` 的 cwd 是 crate 目录)。
fn shot_path() -> Option<std::path::PathBuf> {
let raw = std::env::var_os("ULL_GALLERY_SHOT")?;
let path = std::path::PathBuf::from(raw);
if path.is_absolute() || path.exists() {
return Some(path);
}
let root = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../..");
Some(root.join(path))
}
/// 一条测试覆盖全部几何断言(每张图各跑一次)。
#[test]
fn gallery_geometry_matches_the_tokens() {
let Some(path) = shot_path() else {
eprintln!(
"[probe] SKIPPED:未设置 ULL_GALLERY_SHOT。这是**渲染层**几何断言,\
需要先出一张真窗截图(命令见本文件模块文档)。"
);
return;
};
let shot = Shot::load(&path).expect("读 gallery 截图");
assert_eq!(
(shot.width, shot.height),
(1180, 760),
"验收图必须是 D30 的 1180×760 @100% DPI"
);
// 用左上角背景色判定深浅(页面 padding 区就是 `Surface`)
let corner = shot.at(2, 2);
let flavor = if matches(corner, rgb(ui(SchemeFlavor::Light).color(Role::Surface))) {
SchemeFlavor::Light
} else {
SchemeFlavor::Dark
};
let ui = ui(flavor);
// ---- 12b 1.1 / 1.2:实心按钮 40 高、药丸圆角 20 ------------------------------
let primary = shot.bbox_of(rgb(ui.color(Role::Primary)));
assert!(
primary.len() >= 2,
"至少该找到 Filled 按钮与 Filled IconButton 两块实心(实际 {})",
primary.len()
);
let mut label_button = None;
for bbox in &primary {
// 字形(OnPrimary)会把实心块割出小碎片,只判「成块的」(40×40 = 1600)
if bbox.area() < 800 {
continue;
}
assert!(
(39..=41).contains(&bbox.height()),
"实心块高 {}(参考 40,12b 1.1)@ {:?}",
bbox.height(),
(bbox.left, bbox.top)
);
if bbox.width() > 60 {
label_button = Some(*bbox);
}
// 12b 2.1:IconButton 容器精确 40×40(别再用区间——reviewer 已证 +2px 抓不住)
if bbox.width() < 60 {
// 宽 = 40(最宽那行是实色,量得准);高会把底部抗锯齿行排除掉,所以是 39 或 40。
// 区间收到 39..=40 仍能抓 ±2px 的回归(42 → 41、38 → 37 都会落区间外)。
assert_eq!(bbox.width(), 40, "IconButton 容器宽必须 40(12b 2.1)");
assert!(
(39..=40).contains(&bbox.height()),
"IconButton 容器高应 40(实色 39 + 抗锯齿行),实测 {}",
bbox.height()
);
}
}
let label_button = label_button.expect("没找到文字按钮的实心块");
assert!(
label_button.width() >= 58,
"12b 1.7:最小宽 58,实测 {}",
label_button.width()
);
// 含抗锯齿的真实外框:中心列上「更接近填充色而不是底色」的连续行
let fill = rgb(ui.color(Role::Primary));
let surface = rgb(ui.color(Role::Surface));
let center = (label_button.left + label_button.right) / 2;
let mut true_top = label_button.top;
while true_top > 0 && nearer(shot.at(center, true_top - 1), fill, surface) {
true_top -= 1;
}
let mut true_bottom = label_button.bottom;
while true_bottom + 1 < shot.height && nearer(shot.at(center, true_bottom + 1), fill, surface) {
true_bottom += 1;
}
let true_height = true_bottom - true_top + 1;
// **精确 40**:变异成 42 必须红。上一版写的是 `(39..=41).contains(..)`,
// reviewer 把高度改成 42 重新出图后断言照样绿 —— 那就是「渲层断言等于没有」。
assert_eq!(
true_height, 40,
"可见高必须精确 40(12b 1.1);变异成 42 这里就会红"
);
// 圆角档位:量**顶部那一行的左内缩**。按像素中心口径,第 k 行(k 从 0 起)的闭式是
// inset(k) = r − √(r² − (r − k − 0.5)²);r=20、k=1 给 **12.40**(实测 12~14),
// r=8 只有 ≈3.6,直角为 0。比「数圆角行数」抗锯齿得多。
let top_row_left = (label_button.left..=label_button.right)
.find(|x| matches(shot.at(*x, label_button.top), fill))
.expect("顶部行应至少有一个填充像素");
let top_inset = top_row_left - label_button.left;
assert!(
(11..=17).contains(&top_inset),
"药丸圆角应 = 20(12b 1.2):顶部行左内缩应 ≈14,实测 {top_inset}(8 圆角 ≈4,直角 0)"
);
// ---- 12b 1.4:带前置图标的左内边距 = 16(用 Filled 格量,避开圆角只扫中间带)----
// 判「墨迹」的方式:比容器色更接近 OnPrimary。不要用字面量白——浅色页面底色 (246,250,255)
// 与白在容差内,会把圆角外的底色当成墨迹(首次实现就踩了,量出 3)。
let on_primary = rgb(ui.color(Role::OnPrimary));
let mut left_ink: Option<usize> = None;
for y in (label_button.top + 12)..=(label_button.bottom - 12) {
for x in (label_button.left + 4)..=label_button.right {
if nearer(shot.at(x, y), on_primary, fill) {
left_ink = Some(left_ink.map_or(x, |best: usize| best.min(x)));
}
}
}
let icon_pad = left_ink.expect("Filled 格应带前置图标(量内边距用)") - label_button.left;
// 图标盒左缘 = 16;字形在 24 viewBox 里自带 ≈5.3 左边距 ⇒ 墨迹落在 21 附近
// (16 → 21;24 → 29;8 → 13,三档互不重叠)
assert!(
(18..=24).contains(&icon_pad),
"12b 1.4:带图标左内边距应 16(墨迹 ≈21),实测 {icon_pad}"
);
// ---- Q9:IconButton 的字形不许撑满 40 盒 -----------------------------------
let tonal = rgb(ui.color(Role::SecondaryContainer));
let tonal_boxes = shot.bbox_of(tonal);
let icon_states = tonal_boxes
.iter()
.filter(|bbox| (39..=41).contains(&bbox.width()) && (39..=41).contains(&bbox.height()))
.count();
// 只有 **enabled** 列是精确的 SecondaryContainer(hover/pressed/focus 列叠了状态层,颜色不同),
// 所以这里只要求 ≥1:量几何一只就够,五态的可见性由图本身给。
assert!(
icon_states >= 1,
"tonal IconButton 至少 1 个(实际 {icon_states})"
);
let gear = rgb(ui.color(Role::OnSecondaryContainer));
let mut measured_glyph = false;
let mut glyph_width = 0;
for bbox in tonal_boxes
.iter()
.filter(|bbox| (39..=41).contains(&bbox.width()))
{
if let Some(ink) = shot.ink_inside(bbox, gear) {
let width = ink.width();
if width > glyph_width {
glyph_width = width;
}
assert!(
(16..=26).contains(&width),
"图标盒 24 的字形墨迹应 16~26 宽,实测 {width}(Q9 回归时会接近 40)"
);
measured_glyph = true;
}
}
assert!(measured_glyph, "没量到 IconButton 的字形");
// ---- 22.1:分隔线 1px(按「非底色的长横线」判,不按精确色:线被抗锯齿摊到两行)----
let surface = rgb(ui.color(Role::Surface));
let mut runs = 0;
for y in 0..shot.height {
let mut longest = 0;
let mut current = 0;
for x in 0..shot.width {
if !matches(shot.at(x, y), surface) {
current += 1;
longest = longest.max(current);
} else {
current = 0;
}
}
if longest > 300 {
runs += 1;
}
}
// 两条线 × 各摊 1~2 行 ⇒ 2..=4 行
assert!(
(2..=4).contains(&runs),
"分隔线应 2 条(每条 1px,抗锯齿最多摊 2 行)⇒ 2..=4 行,实测 {runs} 行"
);
// **墨量覆盖率**:一条 1dp 的线,其各行相对底色的不透明覆盖率之和应 ≈1.0。
// 1.5dp 的线会到 ≈1.5,2dp 会到 ≈2.0 —— 这是「容忍 1.5 倍粗」的补丁。
let full = rgb(ui.color(Role::OutlineVariant));
// 屏上正好 2 条线(通栏 + 列表内缩),所以把总墨量除以 2 得到「单条线的覆盖率」
let coverage = line_coverage(&shot, surface, full) / 2.0;
assert!(
(0.8..=1.3).contains(&coverage),
"单条分隔线墨量覆盖率应 ≈1.0(= 1dp),实测 {coverage:.2}(1.5dp 会到 ~1.5)"
);
// ---- 12b 1.8 禁用态:容器 + **每一行**的内容色(A1 逐变体不同)----------------
//
// 上一版把两个 reviewer 都指出的重复块留在这里(`disabled_colors` 被调两次、
// `disabled_container` 被绑定两次),且只有一条「全图数墨迹」的护栏 —— 深色下阈值失效、
// 单行回退也抓不住。现在按矩阵的行逐条断言。
//
// **按钮族**:容器 10%(官方 `*ButtonTokens.DisabledContainerOpacity = 0.1f`)、内容 38%。
// M86 之前这里和 chip 共用同一个 12% 常量,所以断言与实现「一起错」、永远同源——拆族后才对得上。
let (disabled_container, _) = interaction::disabled_button_colors(&ui, Role::Surface);
assert!(
shot.bbox_of(rgb(disabled_container))
.iter()
.any(|b| b.width() > 60),
"没找到禁用态实心按钮(12b 1.8:容器 = on-surface@10%)"
);
// 矩阵行序(gallery/buttons.rs 的 Variant::ALL + IconVariant::ALL),行距 48 = 40 + 8
let row_step = 48usize;
let rows: [(usize, Role, bool, &str); 8] = [
(0, Role::OnSurfaceVariant, true, "filled"),
(1, Role::OnSurface, true, "tonal"), // A1:FilledTonal 是例外
(2, Role::OnSurfaceVariant, true, "elevated"),
(3, Role::OnSurfaceVariant, false, "outlined"),
(4, Role::OnSurfaceVariant, false, "text"),
(5, Role::OnSurface, false, "icon·standard"), // A1:IconButton 全是 OnSurface
(6, Role::OnSurface, false, "icon·filled"),
// 第 7 行(矩阵最后一行的 tonal IconButton)上一版漏了 —— reviewer 把它的禁用墨迹涂回
// 满档色时 probe 全绿。A1 同样是 OnSurface(`FilledTonalIconButtonTokens`)。
(7, Role::OnSurface, true, "icon·tonal"),
];
let column_from = shot.width * 2 / 3; // 矩阵最右列 = disabled 列
for (index, role, on_container, name) in rows {
let y0 = label_button.top + index * row_step;
let y1 = y0 + 44;
// **与实现同源**:按钮族的内容色一律走 `disabled_button_content`(38% 叠在 10% 底上)。
// 这里若用面状控件族的 `disabled_content_over_role`(12% 底),断言的底就比实现宽一档,
// 差的 1/255 会让「容器对了内容错了」这类错逃过门控——M86 明确要防这个。
let ink = interaction::disabled_button_content(&ui, role, on_container);
let count = shot.count_in(rgb(ink), column_from, shot.width, y0, y1);
assert!(
count > 40,
"{name} 行的禁用内容({role:?}@38%)在 disabled 列里只有 {count} px —— 说明这一行没走 A1 的禁用角色"
);
}
// filled 禁用容器里不许出现满档 OnPrimary(旧实现是白字压在容器上 = 1.23:1)
let full_content = rgb(ui.color(Role::OnPrimary));
for bbox in shot.bbox_of(rgb(disabled_container)) {
if bbox.width() < 60 {
continue;
}
// 只扫**内带**:圆角外的页面底色与 OnPrimary 在容差内,贴边扫描会误报。
for y in (bbox.top + 12)..=(bbox.bottom - 12) {
for x in (bbox.left + 12)..=(bbox.right - 12) {
assert!(
!matches(shot.at(x, y), full_content),
"禁用容器内出现满档 OnPrimary @({x},{y}):禁用标签没降到 38%"
);
}
}
}
eprintln!(
"[probe] OK flavor={:?}:
Filled 药丸 {}×{}(参考 高 40 / 宽 ≥58)
顶行左内缩 {}(r=20 应 ≈14;8 圆角 ≈4;直角 0)
实心块 {} 个(含 40×40 IconButton)
分隔线长行 {} 行(每条 1px)
禁用容器 (on-surface@10%,按钮族) 命中 · 逐行禁用内容断言 {} 行通过
分隔线墨量覆盖率 {:.2}(1dp 应 ≈1.0)
字形墨迹 {}px(24 盒应 16~26)",
flavor,
label_button.width(),
true_height,
top_inset,
primary.len(),
runs,
rows.len(),
coverage,
glyph_width
);
}