Merge pull request #2985 from nrq6993-a11y/stream/vc-feat-g2-sketch-chrome

G2: Effect › Sketch › Chrome raster filter

crates/effects/src/lib.rs

@@ -482,6 +482,13 @@ pub fn effect_catalog() -> Vec<EffectInfo> {
             "{chalkArea: 0..20 (6; chalk in light areas), charcoalArea: 0..20 (6; charcoal in dark areas), strokePressure: 0..5 (2)} redraws the object with chalk highlights and charcoal strokes on white paper, keeping its coverage. Original visual approximation from public documentation; slider ranges and defaults are VectorCraft choices, not verified proprietary values.",
             json!({"chalkArea": 6.0, "charcoalArea": 6.0, "strokePressure": 2.0}),
         ),
+        r(
+            "sketch.chrome",
+            "Chrome…",
+            SKETCH,
+            "{detail: 0..10 (4; finer surface texture), smoothness: 0..10 (4; softer relief before the highlights and shadows)} treats the object as polished chrome lit from the top left: bright highlights on high points and dark shadows in low ones, keeping its coverage. Original visual approximation; chosen VectorCraft defaults.",
+            json!({"detail": 4.0, "smoothness": 4.0}),
+        ),
         r(
             "sketch.graphicPen",
             "Graphic Pen…",

crates/effects/src/pixel/mod.rs

@@ -41,7 +41,7 @@ pub use sketch::{HALFTONE_TYPES, HalftonePattern};
 pub use texture::{GRAIN_TYPES, Grain, LIGHT_DIRECTIONS, Light, TEXTURES, Texture};
 
 /// The Photoshop-style effect ids (all raster effects, see [`crate::is_raster`]).
-pub const PIXEL_EFFECTS: [&str; 36] = [
+pub const PIXEL_EFFECTS: [&str; 37] = [
     "artistic.cutout",
     "artistic.filmGrain",
     "artistic.neonGlow",
@@ -66,6 +66,7 @@ pub const PIXEL_EFFECTS: [&str; 36] = [
     "pixelate.pointillize",
     "sharpen.unsharpMask",
     "sketch.chalkCharcoal",
+    "sketch.chrome",
     "sketch.graphicPen",
     "sketch.halftonePattern",
     "sketch.reticulation",
@@ -151,6 +152,8 @@ pub enum PixelFx {
     /// Sketch › Chalk & Charcoal: chalk highlights in light areas and charcoal in dark ones;
     /// `chalk` and `charcoal` (0..20) set how much, `pressure` (0..5) the stroke weight.
     ChalkCharcoal { chalk: f64, charcoal: f64, pressure: f64 },
+    /// Sketch › Chrome: polished chrome relief with `detail` (0..10) and `smoothness` (0..10).
+    Chrome { detail: f64, smoothness: f64 },
     /// Sketch › Graphic Pen: fine linear ink strokes along `dir`, each `length` (1..15) points long
     /// on white paper; `balance` (0..100) sets how much of the tone range becomes black ink.
     GraphicPen { length: f64, balance: f64, direction: StrokeDirection },
@@ -339,6 +342,7 @@ pub(crate) fn parse(id: &str, p: &Value) -> Option<PixelFx> {
             charcoal: num(p, "charcoalArea", 6.0).clamp(0.0, 20.0),
             pressure: num(p, "strokePressure", 2.0).clamp(0.0, 5.0),
         },
+        "sketch.chrome" => PixelFx::Chrome { detail: num(p, "detail", 4.0).clamp(0.0, 10.0), smoothness: num(p, "smoothness", 4.0).clamp(0.0, 10.0) },
         "sketch.graphicPen" => PixelFx::GraphicPen {
             length: num(p, "strokeLength", 5.0).clamp(1.0, 15.0),
             balance: num(p, "lightDarkBalance", 50.0).clamp(0.0, 100.0),
@@ -432,7 +436,11 @@ impl PixelFx {
             // Content shifted outwards reaches past the bounds by as much as the shift.
             PixelFx::Glass { distortion, .. } => distort::glass_shift(distortion),
             PixelFx::OceanRipple { size, magnitude } => distort::ripple_shift(size, magnitude),
-            PixelFx::UnsharpMask { .. } | PixelFx::ChalkCharcoal { .. } | PixelFx::HalftonePattern { .. } | PixelFx::Reticulation { .. } => 0.0,
+            PixelFx::UnsharpMask { .. }
+            | PixelFx::ChalkCharcoal { .. }
+            | PixelFx::Chrome { .. }
+            | PixelFx::HalftonePattern { .. }
+            | PixelFx::Reticulation { .. } => 0.0,
             PixelFx::GlowingEdges { width, smoothness, .. } => width.max(smoothness * 3.0),
             PixelFx::FilmGrain { .. }
             | PixelFx::Cutout { .. }
@@ -483,6 +491,7 @@ impl PixelFx {
             PixelFx::ColorHalftone { max_radius, .. } => Some(3.0 * std::f64::consts::SQRT_2 * max_radius),
             PixelFx::Crystallize { cell } => Some(1.5 * cell),
             PixelFx::ChalkCharcoal { .. } => Some(sketch::CHALK_CHARCOAL_REACH),
+            PixelFx::Chrome { smoothness, .. } => Some(sketch::chrome_reach(smoothness)),
             PixelFx::FilmGrain { .. } | PixelFx::Mezzotint { .. } | PixelFx::HalftonePattern { .. } | PixelFx::Reticulation { .. } => Some(0.0),
             // Cutout's palette comes from the whole object.
             PixelFx::Cutout { .. } => None,
@@ -540,6 +549,7 @@ impl PixelFx {
             PixelFx::OceanRipple { size, magnitude } => distort::ocean_ripple(px, w, h, space, size, magnitude),
             PixelFx::UnsharpMask { amount, radius, threshold } => sharpen::unsharp(px, w, h, amount, to_px(radius), threshold),
             PixelFx::ChalkCharcoal { chalk, charcoal, pressure } => sketch::chalk_charcoal(px, w, h, space, chalk, charcoal, pressure),
+            PixelFx::Chrome { detail, smoothness } => sketch::chrome(px, w, h, space, detail, smoothness),
             PixelFx::GraphicPen { length, balance, direction } => brushstrokes::graphic_pen(px, w, h, space, length, balance, direction),
             PixelFx::HalftonePattern { size, contrast, kind } => sketch::halftone_pattern(px, w, h, space, size, contrast, kind),
             PixelFx::Reticulation { density, foreground, background } => sketch::reticulation(px, w, h, space, density, foreground, background),

crates/effects/src/pixel/sketch.rs

@@ -1,19 +1,24 @@
-//! Effect › Sketch (Chalk & Charcoal, Halftone Pattern and Reticulation; Graphic Pen lives in
+//! Effect › Sketch (Chalk & Charcoal, Chrome, Halftone Pattern and Reticulation; Graphic Pen lives in
 //! [`super::brushstrokes`]). Original filters built from public behaviour documentation:
 //! <https://helpx.adobe.com/illustrator/using/summary-effects.html> (Sketch effects redraw in
 //! black and white) and the public Photoshop Elements Artistic filters guide. Visual
 //! approximations, not proprietary reproductions.
 
-use std::f64::consts::TAU;
+use std::f64::consts::{FRAC_1_SQRT_2, TAU};
+
+use vectorcraft_geom::Vec2;
 
 use super::edges::sobel;
 use super::pixelate::{Place, cell, rand, value_noise};
-use super::texture::{Tones, luma, premultiply, straight};
+use super::texture::{Tones, luma, premultiply, smooth_noise, straight};
 use super::{PixelSpace, blur_plane, pick};
 
 const SALT_CHALK: u64 = 216;
+const SALT_CHROME: u64 = 0xC40_4D45;
 const EDGE_SOFT: f64 = 0.8;
 const TONE_SOFT: f64 = 1.0;
+/// Light from the top left (document axes, y down), as on polished relief surfaces.
+const CHROME_LIGHT: Vec2 = Vec2::new(-FRAC_1_SQRT_2, -FRAC_1_SQRT_2);
 
 /// How far (document units) Chalk & Charcoal samples softened tones and edges.
 pub(super) const CHALK_CHARCOAL_REACH: f64 = 3.0 * TONE_SOFT + 1.0 + 3.0 * EDGE_SOFT;
@@ -138,6 +143,66 @@ pub(super) fn chalk_charcoal(px: &mut [[u8; 4]], w: usize, h: usize, space: &Pix
     });
 }
 
+/// How far (document units) Chrome reaches for `smoothness` (0..10): 3 σ of the height-field blur
+/// plus the Sobel neighbours.
+pub(super) fn chrome_reach(smoothness: f64) -> f64 {
+    let smoothness = smoothness.clamp(0.0, 10.0);
+    3.0 * (0.4 + 0.55 * smoothness) + 1.0
+}
+
+/// Chrome: the object as a polished chrome surface lit from the top left. `detail` (0..10) adds
+/// finer relief; `smoothness` (0..10) softens the height field before the highlights and shadows
+/// are drawn. Coverage is kept.
+pub(super) fn chrome(px: &mut [[u8; 4]], w: usize, h: usize, space: &PixelSpace, detail: f64, smoothness: f64) {
+    if w == 0 || h == 0 {
+        return;
+    }
+    let detail = detail.clamp(0.0, 10.0);
+    let smoothness = smoothness.clamp(0.0, 10.0);
+    let Some(place) = Place::new(space, w, h) else { return };
+    let sigma = (0.4 + smoothness * 0.55) / place.px.max(1e-9);
+    let cell = (14.0 - detail * 1.2).max(1.5);
+    let bump = (detail / 10.0) * 0.4;
+    let strength = 2.5 + detail * 0.35;
+    let mut height: Vec<f32> = Vec::with_capacity(w * h);
+    let mut alpha: Vec<f32> = Vec::with_capacity(w * h);
+    for y in 0..h {
+        for x in 0..w {
+            let p = px[y * w + x];
+            let a = f32::from(p[3]) / 255.0;
+            alpha.push(a);
+            if a <= 0.0 {
+                height.push(0.0);
+                continue;
+            }
+            let q = place.at(x, y);
+            let base = f64::from(luma(straight(p)));
+            let n = if bump > 0.0 { bump * smooth_noise(SALT_CHROME, q, cell) } else { 0.0 };
+            height.push((base + n).clamp(0.0, 1.0) as f32);
+        }
+    }
+    blur_plane(&mut height, w, h, sigma);
+    blur_plane(&mut alpha, w, h, sigma);
+    let tone: Vec<f64> = height.iter().zip(&alpha).map(|(h, a)| if *a > 1e-4 { f64::from(*h / *a).clamp(0.0, 1.0) } else { 0.0 }).collect();
+    let px_unit = place.px.max(1e-9);
+    place.each(px, |x, y, p| {
+        if p[3] == 0 {
+            return;
+        }
+        let at = |dx: isize, dy: isize| {
+            let (xx, yy) = ((x as isize + dx).clamp(0, w as isize - 1) as usize, (y as isize + dy).clamp(0, h as isize - 1) as usize);
+            tone[yy * w + xx]
+        };
+        let h0 = tone[y * w + x];
+        let gx = 0.5 * (at(1, 0) - at(-1, 0)) / px_unit;
+        let gy = 0.5 * (at(0, 1) - at(0, -1)) / px_unit;
+        let face = -(gx * CHROME_LIGHT.x + gy * CHROME_LIGHT.y);
+        let spec = (face * strength + (h0 - 0.5) * 1.5).tanh();
+        let grey = (0.5 + 0.5 * spec).clamp(0.0, 1.0);
+        *p = premultiply([grey as f32; 3], f32::from(p[3]) / 255.0);
+    });
+}
+
 /// Reticulation: the object redrawn in black ink on white paper through a high-contrast film-grain
 /// screen. `density` (0..50) sets how fine the grain is; `foreground` and `background` (0..50 each)
 /// pull shadows toward black and highlights toward white before the grain decides ink. Coverage is

crates/effects/src/pixel/tests.rs

@@ -2187,6 +2187,12 @@ fn halftone_draws_in_black_and_white_only() {
     }
 }
 
+fn chrome(p: serde_json::Value, src: &[u8], w: usize, h: usize, s: &PixelSpace) -> Vec<u8> {
+    let mut out = src.to_vec();
+    fx("sketch.chrome", p).apply(&mut out, w, h, s);
+    out
+}
+
 /// Reticulation of `p` over `w` × `h` pixels of `src`, laid out by `s`.
 fn reticulation(p: serde_json::Value, src: &[u8], w: usize, h: usize, s: &PixelSpace) -> Vec<u8> {
     let mut out = src.to_vec();
@@ -2194,6 +2200,39 @@ fn reticulation(p: serde_json::Value, src: &[u8], w: usize, h: usize, s: &PixelS
     out
 }
 
+#[test]
+fn chrome_params_take_defaults_and_stay_in_range() {
+    assert_eq!(fx("sketch.chrome", json!({})), PixelFx::Chrome { detail: 4.0, smoothness: 4.0 });
+    assert_eq!(fx("sketch.chrome", json!({"detail": -1, "smoothness": 99})), PixelFx::Chrome { detail: 0.0, smoothness: 10.0 });
+    assert_eq!(fx("sketch.chrome", json!({"detail": "x"})), fx("sketch.chrome", json!({})));
+    let doc = crate::effect_info("sketch.chrome").unwrap().params;
+    assert!(doc.contains("detail") && doc.contains("smoothness"), "{doc}");
+    let f = fx("sketch.chrome", json!({}));
+    assert_eq!(f.outset(Rect::new(0.0, 0.0, 100.0, 50.0)), 0.0);
+    assert_eq!(f.reach(), Some(sketch::chrome_reach(4.0)));
+    assert_eq!(fx("sketch.chrome", json!({"smoothness": 10})).reach(), Some(sketch::chrome_reach(10.0)));
+}
+
+/// Chrome redraws in greyscale, keeps coverage, and more detail changes the pattern.
+#[test]
+fn chrome_draws_polished_greyscale_relief() {
+    let (w, h) = (64, 64);
+    let src = image(w, h, |x, y| {
+        let t = ((x + y) * 4) as u8;
+        [t, t / 2, 255 - t, 255]
+    });
+    let soft = chrome(json!({"detail": 0, "smoothness": 8}), &src, w, h, &space(w, h));
+    let sharp = chrome(json!({"detail": 10, "smoothness": 0}), &src, w, h, &space(w, h));
+    assert_ne!(soft, sharp);
+    for out in [&soft, &sharp] {
+        for (p, q) in out.as_chunks::<4>().0.iter().zip(src.as_chunks::<4>().0) {
+            assert_eq!(p[3], q[3], "coverage kept");
+            assert!(p[0] == p[1] && p[1] == p[2], "greyscale {p:?}");
+        }
+        assert!(share(out, |p| p[0] > 10 && p[0] < 245) > 0.05, "midtones");
+    }
+}
+
 #[test]
 fn reticulation_params_take_defaults_and_stay_in_range() {
     assert_eq!(fx("sketch.reticulation", json!({})), PixelFx::Reticulation { density: 12.0, foreground: 6.0, background: 6.0 });

crates/engine/src/tests_rasterfilters.rs

@@ -1,5 +1,5 @@
 //! The Photoshop-style raster effects (Effect › Artistic, Blur › Radial Blur and Smart Blur, Brush Strokes,
-//! Distort › Diffuse Glow, Glass and Ocean Ripple, Pixelate › Color Halftone, Crystallize, Mezzotint and Pointillize, Sharpen › Unsharp Mask, Sketch › Halftone Pattern, Texture ›
+//! Distort › Diffuse Glow, Glass and Ocean Ripple, Pixelate › Color Halftone, Crystallize, Mezzotint and Pointillize, Sharpen › Unsharp Mask, Sketch › Chalk & Charcoal, Chrome, Graphic Pen, Halftone Pattern and Reticulation, Texture ›
 //! Craquelure, Grain, Mosaic Tiles, Patchwork, Stained Glass and Texturizer, Video): applied and
 //! edited as commands, listed in the catalogue, drawn on the canvas, and written to PDF and SVG
 //! as images of the effected object.
@@ -49,8 +49,13 @@ const PIXELATE: [(&str, &str); 4] =
     [("pixelate.colorHalftone", "{}"), ("pixelate.crystallize", "{}"), ("pixelate.mezzotint", "{}"), ("pixelate.pointillize", "{}")];
 
 /// Effect › Sketch, at their defaults.
-const SKETCH: [(&str, &str); 4] =
-    [("sketch.chalkCharcoal", "{}"), ("sketch.graphicPen", "{}"), ("sketch.halftonePattern", "{}"), ("sketch.reticulation", "{}")];
+const SKETCH: [(&str, &str); 5] = [
+    ("sketch.chalkCharcoal", "{}"),
+    ("sketch.chrome", "{}"),
+    ("sketch.graphicPen", "{}"),
+    ("sketch.halftonePattern", "{}"),
+    ("sketch.reticulation", "{}"),
+];
 
 /// Effect › Texture, at their defaults.
 const TEXTURE: [(&str, &str); 6] = [

crates/engine/tests/command_sweep.rs

@@ -334,6 +334,7 @@ fn structured_junk() {
         ("effect.apply", json!({"effect": "artistic.cutout", "params": {"levels": 1e308, "edgeSimplicity": "NaN", "edgeFidelity": -1e308}})),
         ("effect.apply", json!({"effect": "artistic.neonGlow", "params": {"glowSize": -1e308, "glowBrightness": "1e999", "color": [1]}})),
         ("effect.apply", json!({"effect": "artistic.posterEdges", "params": {"edgeThickness": 1e308, "edgeIntensity": [], "posterization": -7}})),
+        ("effect.apply", json!({"effect": "sketch.chrome", "params": {"detail": -1e308, "smoothness": "NaN"}})),
         ("effect.apply", json!({"effect": "sketch.graphicPen", "params": {"strokeLength": -1e308, "lightDarkBalance": "NaN", "strokeDirection": 3}})),
         ("effect.apply", json!({"effect": "sketch.halftonePattern", "params": {"size": -1e308, "contrast": "NaN", "patternType": 3}})),
         ("effect.apply", json!({"effect": "sketch.reticulation", "params": {"density": "NaN", "foregroundLevel": -1e308, "backgroundLevel": 1e308}})),

crates/ui-egui/src/i18n/bg.tsv

@@ -5201,3 +5201,5 @@ theme	Appearance	Външен вид
 	Reticulation	Ретикулация
 	Plastic Wrap…	Найлоново фолио…
 	Plastic Wrap	Найлоново фолио
+	Chrome…	Хром…
+	Chrome	Хром

crates/ui-egui/src/i18n/cs.tsv

@@ -5240,3 +5240,5 @@ mark-style	Japanese	Japonské
 	Reticulation	Síťování
 	Plastic Wrap…	Plastová fólie…
 	Plastic Wrap	Plastová fólie
+	Chrome…	Chrom…
+	Chrome	Chrom

crates/ui-egui/src/i18n/da.tsv

@@ -5219,3 +5219,5 @@ swatch	Bright Violet	Kraftig violet
 	Reticulation	Retikulering
 	Plastic Wrap…	Plastfolie…
 	Plastic Wrap	Plastfolie
+	Chrome…	Krom…
+	Chrome	Krom

crates/ui-egui/src/i18n/de.tsv

@@ -4820,3 +4820,5 @@ effect	Soft	Weich
 	Reticulation	Retikulation
 	Plastic Wrap…	Kunststofffolie…
 	Plastic Wrap	Kunststofffolie
+	Chrome…	Chrom…
+	Chrome	Chrom

crates/ui-egui/src/i18n/el.tsv

@@ -5192,3 +5192,5 @@ effect	Points	Σημεία
 	Reticulation	Δικτύωση
 	Plastic Wrap…	Πλαστική μεμβράνη…
 	Plastic Wrap	Πλαστική μεμβράνη
+	Chrome…	Χρώμιο…
+	Chrome	Χρώμιο

crates/ui-egui/src/i18n/es.tsv

@@ -5182,3 +5182,5 @@ mark-style	Japanese	Japonesas
 	Reticulation	Reticulación
 	Plastic Wrap…	Envoltura plástica…
 	Plastic Wrap	Envoltura plástica
+	Chrome…	Cromo…
+	Chrome	Cromo

crates/ui-egui/src/i18n/fi.tsv

@@ -5271,3 +5271,5 @@ swatch	Bright Violet	Kirkas violetti
 	Reticulation	Retikulaatio
 	Plastic Wrap…	Muovikalvo…
 	Plastic Wrap	Muovikalvo
+	Chrome…	Kromi…
+	Chrome	Kromi

crates/ui-egui/src/i18n/fr.tsv

@@ -5239,3 +5239,5 @@ theme	Appearance	Apparence
 	Reticulation	Réticulation
 	Plastic Wrap…	Emballage plastique…
 	Plastic Wrap	Emballage plastique
+	Chrome…	Chrome…
+	Chrome	Chrome

crates/ui-egui/src/i18n/hu.tsv

@@ -5226,3 +5226,5 @@ imageTrace	Outline	Körvonal
 	Reticulation	Recézés
 	Plastic Wrap…	Fóliázás…
 	Plastic Wrap	Fóliázás
+	Chrome…	Króm…
+	Chrome	Króm

crates/ui-egui/src/i18n/id.tsv

@@ -5219,3 +5219,5 @@ swatch	Bright Violet	Violet cerah
 	Reticulation	Retikulasi
 	Plastic Wrap…	Pembungkus plastik…
 	Plastic Wrap	Pembungkus plastik
+	Chrome…	Krom…
+	Chrome	Krom

crates/ui-egui/src/i18n/it.tsv

@@ -4854,3 +4854,5 @@ lighting	Light	Luce
 	Reticulation	Reticolo
 	Plastic Wrap…	Pellicola plastica…
 	Plastic Wrap	Pellicola plastica
+	Chrome…	Cromo…
+	Chrome	Cromo

crates/ui-egui/src/i18n/ja.tsv

@@ -4894,3 +4894,5 @@ lighting	Light	ライト
 	Reticulation	網目
 	Plastic Wrap…	ラップ…
 	Plastic Wrap	ラップ
+	Chrome…	クロム…
+	Chrome	クロム

crates/ui-egui/src/i18n/ka.tsv

@@ -5147,3 +5147,5 @@ imageTrace	Outline	კონტური
 	Reticulation	რეტიკულაცია
 	Plastic Wrap…	პლასტიკური აფსკი…
 	Plastic Wrap	პლასტიკური აფსკი
+	Chrome…	ქრომი…
+	Chrome	ქრომი

crates/ui-egui/src/i18n/ko.tsv

@@ -4817,3 +4817,5 @@ lighting	Light	광원
 	Reticulation	망사 효과
 	Plastic Wrap…	비닐 랩…
 	Plastic Wrap	비닐 랩
+	Chrome…	크롬…
+	Chrome	크롬

crates/ui-egui/src/i18n/nl.tsv

@@ -5261,3 +5261,5 @@ swatch	Bright Violet	Felviolet
 	Reticulation	Reticulatie
 	Plastic Wrap…	Plasticfolie…
 	Plastic Wrap	Plasticfolie
+	Chrome…	Chroom…
+	Chrome	Chroom

crates/ui-egui/src/i18n/pl.tsv

@@ -5092,3 +5092,5 @@ mark-style	Japanese	Japońskie
 	Reticulation	Siateczkowanie
 	Plastic Wrap…	Folia plastikowa…
 	Plastic Wrap	Folia plastikowa
+	Chrome…	Chrom…
+	Chrome	Chrom

crates/ui-egui/src/i18n/pt-br.tsv

@@ -5157,3 +5157,5 @@ mark-style	Japanese	Japonesas
 	Reticulation	Reticulação
 	Plastic Wrap…	Envoltório plástico…
 	Plastic Wrap	Envoltório plástico
+	Chrome…	Cromo…
+	Chrome	Cromo

crates/ui-egui/src/i18n/ru.tsv

@@ -4850,3 +4850,5 @@ lighting	Light	Свет
 	Reticulation	Ретикуляция
 	Plastic Wrap…	Целлофановая упаковка…
 	Plastic Wrap	Целлофановая упаковка
+	Chrome…	Хром…
+	Chrome	Хром

crates/ui-egui/src/i18n/sv.tsv

@@ -5196,3 +5196,5 @@ theme	Appearance	Utseende
 	Reticulation	Retikulering
 	Plastic Wrap…	Plastfolie…
 	Plastic Wrap	Plastfolie
+	Chrome…	Krom…
+	Chrome	Krom

crates/ui-egui/src/i18n/uk.tsv

@@ -4834,3 +4834,5 @@ lighting	Light	Світло
 	Reticulation	Ретикуляція
 	Plastic Wrap…	Целофанова плівка…
 	Plastic Wrap	Целофанова плівка
+	Chrome…	Хром…
+	Chrome	Хром

crates/ui-egui/src/i18n/vi.tsv

@@ -4834,3 +4834,5 @@ theme	Appearance	Giao diện
 	Reticulation	Lưới hạt
 	Plastic Wrap…	Màng bọc nhựa…
 	Plastic Wrap	Màng bọc nhựa
+	Chrome…	Crôm…
+	Chrome	Crôm

crates/ui-egui/src/i18n/zh-hans.tsv

@@ -5077,3 +5077,5 @@ lighting	Light	光源
 	Reticulation	网状
 	Plastic Wrap…	塑料包装…
 	Plastic Wrap	塑料包装
+	Chrome…	铬黄…
+	Chrome	铬黄

crates/ui-egui/src/i18n/zh-hant.tsv

@@ -4872,3 +4872,5 @@ lighting	Light	光源
 	Reticulation	網狀
 	Plastic Wrap…	塑膠包裝…
 	Plastic Wrap	塑膠包裝
+	Chrome…	鉻黃…
+	Chrome	鉻黃

crates/ui-egui/src/tests_labels.rs

@@ -171,23 +171,24 @@ fn effect_menu_lists_the_texture_filters_between_sharpen_and_video() {
     assert!(at("Sharpen") < at("Texture") && at("Texture") < at("Video"));
 }
 
-/// Effect › Sketch, between Sharpen and the raster Stylize: Chalk & Charcoal and Halftone Pattern open their dialogs.
+/// Effect › Sketch, between Sharpen and the raster Stylize: the raster sketch filters open their dialogs.
 #[test]
 fn effect_menu_lists_the_sketch_filters_between_sharpen_and_stylize() {
     let app = app();
     let entries = menus::menu_entries(&app);
     let sketch: Vec<_> = entries.iter().filter(|e| e.path == ["Effect", "Sketch"]).collect();
     let labels: Vec<&str> = sketch.iter().map(|e| e.label.as_str()).collect();
-    assert_eq!(labels, ["Chalk & Charcoal…", "Graphic Pen…", "Halftone Pattern…", "Reticulation…"]);
-    assert_eq!(sketch[0].command.as_deref(), Some("effect.dialog"));
+    assert_eq!(labels, ["Chalk & Charcoal…", "Chrome…", "Graphic Pen…", "Halftone Pattern…", "Reticulation…"]);
+    assert!(sketch.iter().all(|e| e.command.as_deref() == Some("effect.dialog")));
     assert_eq!(sketch[0].params, json!({"effect": "sketch.chalkCharcoal"}));
-    assert_eq!(sketch[1].params, json!({"effect": "sketch.graphicPen"}));
-    assert_eq!(sketch[2].params, json!({"effect": "sketch.halftonePattern"}));
-    assert_eq!(sketch[3].params, json!({"effect": "sketch.reticulation"}));
+    assert_eq!(sketch[1].params, json!({"effect": "sketch.chrome"}));
+    assert_eq!(sketch[2].params, json!({"effect": "sketch.graphicPen"}));
+    assert_eq!(sketch[3].params, json!({"effect": "sketch.halftonePattern"}));
+    assert_eq!(sketch[4].params, json!({"effect": "sketch.reticulation"}));
     let at = |label: &str| entries.iter().position(|e| e.path[0] == "Effect" && e.label == label).unwrap();
-    assert!(at("Unsharp Mask…") < at("Chalk & Charcoal…") && at("Chalk & Charcoal…") < at("Graphic Pen…"));
-    assert!(at("Graphic Pen…") < at("Halftone Pattern…") && at("Halftone Pattern…") < at("Reticulation…"));
-    assert!(at("Reticulation…") < at("Glowing Edges…"));
+    assert!(at("Unsharp Mask…") < at("Chalk & Charcoal…") && at("Chalk & Charcoal…") < at("Chrome…"));
+    assert!(at("Chrome…") < at("Graphic Pen…") && at("Graphic Pen…") < at("Halftone Pattern…"));
+    assert!(at("Halftone Pattern…") < at("Reticulation…") && at("Reticulation…") < at("Glowing Edges…"));
 }
 
 /// Effect › Stylize under Raster Effects, between Sharpen and Texture: Glowing Edges opens its

docs/effects-parity.md

@@ -1,6 +1,6 @@
 # Effects parity
 
-> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-19 · **Change:** minor (Sketch › Chalk & Charcoal, Graphic Pen and Reticulation and Artistic › Plastic Wrap, #2972, #2967, #2976, #3034: 36/57 Photoshop effects; 3D lighting: one to ten colored lights, smooth colored Inflate, legacy white-light appearance preserved; surface batching and restored seam minimum; scores and estimates unchanged; Zig Zag's Smooth points make a continuous wave, #2343; G2: Effect › Sketch › Halftone Pattern; Photoshop filters 30/57, 27 remaining (22–38 h); Round Corners also rounds corners where a curve meets a line or another curve, with Live Corners' cut; straight corners unchanged; score unchanged; Revolve: automatic smooth shading and default-on Cap with continuous rims; wide shadows and glows at high zoom, #1706; stacked Transform effects, #1705; 3D on nonzero compound paths, #1724; pattern tiles redraw, #1723; scores unchanged; Roughen's Smooth turn-backs, #1643; Scribble per region, #1648; score unchanged; Warp Arc bends in the object's proportions, #1578; Zig Zag ridges evenly spaced, #1558; effect parameters checked, #1592; score unchanged; raster effects after a pattern, radial or freeform gradient fill export at their place and size, #1536; score unchanged; 3D and Materials on outlined type and other shapes of many small curves, #1481; Twist 0° to 360°, #1524; twisted walls keep their faces, #1525; score unchanged; 3D and Materials: Inflate takes Twist, Taper and Cap; score unchanged; 3D and Materials: Perspective as the documented 0°–160° angle; 3D and Materials: the documented light settings) · **Target:** Adobe Illustrator 2026 (30.x)
+> **Last reviewed:** 2026-10-10 · **Last updated:** 2026-10-19 · **Change:** minor (G2: Sketch › Chrome; Sketch › Chalk & Charcoal, Graphic Pen and Reticulation and Artistic › Plastic Wrap, #2972, #2967, #2976, #3034: 37/57 Photoshop effects; 3D lighting: one to ten colored lights, smooth colored Inflate, legacy white-light appearance preserved; surface batching and restored seam minimum; scores and estimates unchanged; Zig Zag's Smooth points make a continuous wave, #2343; G2: Effect › Sketch › Halftone Pattern; Photoshop filters 30/57, 27 remaining (22–38 h); Round Corners also rounds corners where a curve meets a line or another curve, with Live Corners' cut; straight corners unchanged; score unchanged; Revolve: automatic smooth shading and default-on Cap with continuous rims; wide shadows and glows at high zoom, #1706; stacked Transform effects, #1705; 3D on nonzero compound paths, #1724; pattern tiles redraw, #1723; scores unchanged; Roughen's Smooth turn-backs, #1643; Scribble per region, #1648; score unchanged; Warp Arc bends in the object's proportions, #1578; Zig Zag ridges evenly spaced, #1558; effect parameters checked, #1592; score unchanged; raster effects after a pattern, radial or freeform gradient fill export at their place and size, #1536; score unchanged; 3D and Materials on outlined type and other shapes of many small curves, #1481; Twist 0° to 360°, #1524; twisted walls keep their faces, #1525; score unchanged; 3D and Materials: Inflate takes Twist, Taper and Cap; score unchanged; 3D and Materials: Perspective as the documented 0°–160° angle; 3D and Materials: the documented light settings) · **Target:** Adobe Illustrator 2026 (30.x)
 
 Every entry of Illustrator's Effect menu, by its public feature name, against VectorCraft's effects catalogue
 (`effect_catalog()` in `crates/effects/src/lib.rs`) and the Effect menu built from it
@@ -44,7 +44,7 @@ its resolution, PDF export warns once per object with the requested and the lowe
 | Distort | Diffuse Glow, Glass, Ocean Ripple | 3/3 | — |
 | Pixelate | Color Halftone, Crystallize, Mezzotint, Pointillize | 4/4 | — |
 | Sharpen | Unsharp Mask | 1/1 | — |
-| Sketch | Bas Relief, Chalk & Charcoal, Charcoal, Chrome, Conté Crayon, Graphic Pen, Halftone Pattern, Note Paper, Photocopy, Plaster, Reticulation, Stamp, Torn Edges, Water Paper | 4/14 (approximate Chalk & Charcoal, Graphic Pen, Halftone Pattern, Reticulation; defaults unverified) | Bas Relief, Charcoal, Chrome, Conté Crayon, Note Paper, Photocopy, Plaster, Stamp, Torn Edges, Water Paper |
+| Sketch | Bas Relief, Chalk & Charcoal, Charcoal, Chrome, Conté Crayon, Graphic Pen, Halftone Pattern, Note Paper, Photocopy, Plaster, Reticulation, Stamp, Torn Edges, Water Paper | 5/14 (approximate Chalk & Charcoal, Chrome, Graphic Pen, Halftone Pattern, Reticulation; Chalk & Charcoal and Graphic Pen defaults unverified) | Bas Relief, Charcoal, Conté Crayon, Note Paper, Photocopy, Plaster, Stamp, Torn Edges, Water Paper |
 | Stylize | Glowing Edges | 1/1 | — |
 | Texture | Craquelure, Grain, Mosaic Tiles, Patchwork, Stained Glass, Texturizer | 6/6 | Texturizer's Load Texture |
 | Video | De-Interlace, NTSC Colors | 2/2 | — |

docs/gaps.md

@@ -226,8 +226,8 @@ from G14 and the budget run of G15: **~170–270 h** one agent, ~50–80 h wall
 - **Missing:** 23 of 57 filters (the remaining 11 Artistic filters and 12 of Sketch's 14), the Effect Gallery dialog, Load
   Texture for Texturizer. Measured in
   [effects-parity.md](effects-parity.md).
-- **Done:** the pixel-filter pipeline and 34 filters (Artistic: Cutout, Film Grain, Neon Glow, Poster Edges, Blur, Brush Strokes, Distort, Pixelate, Sharpen, Sketch:
-  Graphic Pen and Halftone Pattern, Stylize, Texture, Video), Brush Strokes on 2026-10-11, Film Grain on 2026-10-12, Halftone Pattern on 2026-10-16, Graphic Pen on 2026-10-18, Cutout, Neon Glow and Poster Edges on 2026-10-16, and Smart Blur's Edge Only and Overlay Edge
+- **Done:** the pixel-filter pipeline and 35 filters (Artistic: Cutout, Film Grain, Neon Glow, Poster Edges, Blur, Brush Strokes, Distort, Pixelate, Sharpen, Sketch:
+  Chalk & Charcoal, Chrome, Graphic Pen and Halftone Pattern, Stylize, Texture, Video), Brush Strokes on 2026-10-11, Film Grain on 2026-10-12, Halftone Pattern on 2026-10-16, Graphic Pen on 2026-10-18, Chrome on 2026-10-19, Cutout, Neon Glow and Poster Edges on 2026-10-16, and Smart Blur's Edge Only and Overlay Edge
   modes.
 - **Estimate:** 21–35 h (measured 0.7–1.2 h per filter); parallelizes well.