G2: Effect › Artistic › Palette Knife raster filter

Squashed from #3038 onto main.

crates/effects/src/lib.rs

@@ -148,6 +148,7 @@ fn lengths_of(id: &str) -> Lengths {
         "stylize.innerGlow" | "stylize.outerGlow" => always(&["blur"]),
         "stylize.glowingEdges" => always(&["edgeWidth", "smoothness"]),
         "brushStrokes.accentedEdges" => always(&["edgeWidth"]),
+        "artistic.paletteKnife" => always(&["strokeSize"]),
         "brushStrokes.angledStrokes" | "brushStrokes.crosshatch" | "brushStrokes.inkOutlines" => always(&["strokeLength"]),
         "brushStrokes.spatter" => always(&["sprayRadius"]),
         "brushStrokes.sprayedStrokes" => always(&["strokeLength", "sprayRadius"]),
@@ -377,6 +378,13 @@ pub fn effect_catalog() -> Vec<EffectInfo> {
             "{glowSize: -24..24 (5; above 0 the light areas glow, below 0 the dark ones; farther from 0 spreads the glow wider), glowBrightness: 0..50 (15; a stronger glow over dimmer greys), color: \"#rrggbb\" (\"#4da6ff\"; the glow's colour)} redraws the object in greys lit by a coloured glow, keeping its coverage. Original visual approximation; chosen VectorCraft defaults.",
             json!({"glowSize": 5.0, "glowBrightness": 15.0, "color": "#4da6ff"}),
         ),
+        r(
+            "artistic.paletteKnife",
+            "Palette Knife…",
+            ARTISTIC,
+            "{strokeSize: 1..50 (10; length of the knife strokes in document units), strokeDetail: 1..3 (2; more detail keeps more of the original), softness: 0..10 (3; softens the strokes)} smears the object's colours with short angled knife strokes, keeping its coverage. Original visual approximation; chosen VectorCraft defaults.",
+            json!({"strokeSize": 10.0, "strokeDetail": 2.0, "softness": 3.0}),
+        ),
         r(
             "artistic.plasticWrap",
             "Plastic Wrap…",

crates/effects/src/pixel/artistic.rs

@@ -1,11 +1,13 @@
-//! Effect › Artistic (Cutout, Dry Brush, Film Grain, Neon Glow, Plastic Wrap, Poster Edges, Smudge Stick, Sponge and
+//! Effect › Artistic (Cutout, Dry Brush, Film Grain, Neon Glow, Palette Knife, Plastic Wrap, Poster Edges, Smudge Stick, Sponge and
 //! Watercolor). Original filters built from
 //! public behaviour documentation:
 //! <https://helpx.adobe.com/illustrator/using/summary-effects.html> and
 //! <https://helpx.adobe.com/photoshop-elements/using/artistic-filters.html>.
 //! These are visual approximations, not reproductions of a proprietary algorithm.
 
-use super::brushstrokes::stroke_reach;
+use std::f64::consts::TAU;
+
+use super::brushstrokes::{Smear, mix, stroke_reach, unit, unpremultiply};
 use super::edges::sobel;
 use super::pixelate::{Place, cell, rand, value_noise};
 use super::texture::{luma, premultiply, straight};
@@ -472,3 +474,52 @@ pub(super) fn dry_brush(px: &mut [[u8; 4]], w: usize, h: usize, space: &PixelSpa
     }
     px.copy_from_slice(&out);
 }
+
+const SALT_KNIFE: u64 = 208;
+
+/// How far Palette Knife reaches with strokes `stroke_size` long and Softness `softness` (0..10).
+pub(super) fn palette_knife_reach(stroke_size: f64, softness: f64) -> f64 {
+    stroke_reach(stroke_size) + 3.0 * 0.35 * softness.clamp(0.0, 10.0) + 1.0
+}
+
+/// Artistic › Palette Knife: the object repainted with short, angled knife strokes that smear its
+/// colours; `stroke_size` (1..50) sets their length, `stroke_detail` (1..3) keeps more of the
+/// original where it's higher, and `softness` (0..10) softens the strokes. Coverage is kept.
+pub(super) fn palette_knife(px: &mut [[u8; 4]], w: usize, h: usize, space: &PixelSpace, stroke_size: f64, stroke_detail: f64, softness: f64) {
+    let Some(place) = Place::new(space, w, h) else { return };
+    if !(stroke_size.is_finite() && stroke_detail.is_finite() && softness.is_finite()) {
+        return;
+    }
+    let len = stroke_size.clamp(1.0, 50.0);
+    let keep = ((stroke_detail.clamp(1.0, 3.0) - 1.0) / 2.0) as f32;
+    let smear = Smear::new(px, w, h, &place, len);
+    let row = (0.25 * smear.len).max(1.0);
+    let cell = len * 0.35;
+    let src = px.to_vec();
+    place.each(px, |x, y, p| {
+        if p[3] == 0 {
+            return;
+        }
+        let q = place.at(x, y);
+        let angle = TAU * value_noise(SALT_KNIFE, q.x / cell, q.y / cell);
+        let dir = Vec2::new(angle.cos(), angle.sin());
+        let pm = smear.stroke(SALT_KNIFE + 1, q, dir, row);
+        let orig = unit(src.get(y * w + x).copied().unwrap_or([0; 4]));
+        let coverage = orig[3];
+        let (c, _) = unpremultiply(mix(orig, pm, 1.0 - keep));
+        *p = premultiply(c, coverage);
+    });
+    let sigma = 0.35 * softness.clamp(0.0, 10.0) / place.px;
+    if sigma > 0.0 {
+        let (mut colour, alpha) = planes(px);
+        let cover = alpha.clone();
+        soften(&mut colour, &alpha, w, h, sigma);
+        for (k, p) in px.iter_mut().enumerate() {
+            if cover[k] == 0.0 {
+                continue;
+            }
+            let c = [colour[0][k], colour[1][k], colour[2][k]];
+            *p = premultiply(c, cover[k]);
+        }
+    }
+}

crates/effects/src/pixel/mod.rs

@@ -43,11 +43,12 @@ pub use sketch::{HALFTONE_TYPES, HalftonePattern};
 pub use texture::{GRAIN_TYPES, Grain, LIGHT_DIRECTIONS, Light, TEXTURES, TEXTURES_LOADED, Texture};
 
 /// The Photoshop-style effect ids (all raster effects, see [`crate::is_raster`]).
-pub const PIXEL_EFFECTS: [&str; 48] = [
+pub const PIXEL_EFFECTS: [&str; 49] = [
     "artistic.cutout",
     "artistic.dryBrush",
     "artistic.filmGrain",
     "artistic.neonGlow",
+    "artistic.paletteKnife",
     "artistic.plasticWrap",
     "artistic.posterEdges",
     "artistic.smudgeStick",
@@ -122,6 +123,10 @@ pub enum PixelFx {
     /// light areas (`size` above 0) or the dark ones (below 0), spread by |`size`| (-24..24), as
     /// strong as `brightness` (0..50).
     NeonGlow { size: f64, brightness: f64, colour: [f32; 3] },
+    /// Artistic › Palette Knife: knife strokes `stroke_size` (1..50) long smear the colours;
+    /// `stroke_detail` (1..3) keeps more original detail when higher; `softness` (0..10) softens
+    /// the strokes.
+    PaletteKnife { stroke_size: f64, stroke_detail: f64, softness: f64 },
     /// Artistic › Plastic Wrap: specular highlights as strong as `highlight` (0..20) on a relief
     /// wrinkled by `detail` (0..15) and softened by `smoothness` (1..15).
     PlasticWrap { highlight: f64, detail: f64, smoothness: f64 },
@@ -307,6 +312,11 @@ pub(crate) fn parse(id: &str, p: &Value) -> Option<PixelFx> {
             brightness: num(p, "glowBrightness", 15.0).clamp(0.0, 50.0),
             colour: crate::raster::color_param(p, vectorcraft_doc::color::Color::rgb(0.3, 0.65, 1.0)).to_rgb(),
         },
+        "artistic.paletteKnife" => PixelFx::PaletteKnife {
+            stroke_size: num(p, "strokeSize", 10.0).clamp(1.0, 50.0),
+            stroke_detail: num(p, "strokeDetail", 2.0).clamp(1.0, 3.0),
+            softness: num(p, "softness", 3.0).clamp(0.0, 10.0),
+        },
         "artistic.posterEdges" => PixelFx::PosterEdges {
             thickness: num(p, "edgeThickness", 2.0).clamp(0.0, 10.0),
             intensity: num(p, "edgeIntensity", 1.0).clamp(0.0, 10.0),
@@ -523,6 +533,7 @@ impl PixelFx {
             PixelFx::SmartBlur { radius, .. } => radius,
             PixelFx::AccentedEdges { .. } => 0.0,
             // Strokes reach out of the object as far as they reach into it.
+            PixelFx::PaletteKnife { stroke_size, softness, .. } => artistic::palette_knife_reach(stroke_size, softness),
             PixelFx::AngledStrokes { length, .. } | PixelFx::GraphicPen { length, .. } | PixelFx::InkOutlines { length, .. } => {
                 brushstrokes::stroke_reach(length)
             }
@@ -581,6 +592,7 @@ impl PixelFx {
             PixelFx::Watercolor { detail, .. } => Some(paint::watercolor_reach(detail)),
             PixelFx::AccentedEdges { width, smoothness, .. } => Some(brushstrokes::accent_reach(width, smoothness)),
             // The strokes, and the softened tones that choose them.
+            PixelFx::PaletteKnife { stroke_size, softness, .. } => Some(artistic::palette_knife_reach(stroke_size, softness)),
             PixelFx::AngledStrokes { length, .. } | PixelFx::GraphicPen { length, .. } => {
                 Some(brushstrokes::stroke_reach(length).max(brushstrokes::TONE_REACH))
             }
@@ -651,6 +663,9 @@ impl PixelFx {
             PixelFx::Watercolor { detail, shadow, texture } => paint::watercolor(px, w, h, space, detail, shadow, texture),
             PixelFx::PlasticWrap { highlight, detail, smoothness } => artistic::plastic_wrap(px, w, h, space, highlight, detail, smoothness),
             PixelFx::NeonGlow { size, brightness, colour } => artistic::neon_glow(px, w, h, space, size, brightness, colour),
+            PixelFx::PaletteKnife { stroke_size, stroke_detail, softness } => {
+                artistic::palette_knife(px, w, h, space, stroke_size, stroke_detail, softness)
+            }
             PixelFx::PosterEdges { thickness, intensity, posterization } => {
                 artistic::poster_edges(px, w, h, space, thickness, intensity, posterization)
             }

crates/effects/src/pixel/tests.rs

@@ -2647,3 +2647,30 @@ fn artistic_filters_look_the_same_at_any_resolution() {
         assert!(diff < 12.0, "{id}: mean difference {diff}");
     }
 }
+
+#[test]
+fn palette_knife_params_take_defaults_and_stay_in_range() {
+    assert_eq!(fx("artistic.paletteKnife", json!({})), PixelFx::PaletteKnife { stroke_size: 10.0, stroke_detail: 2.0, softness: 3.0 });
+    assert_eq!(
+        fx("artistic.paletteKnife", json!({"strokeSize": 0, "strokeDetail": 0, "softness": 99})),
+        PixelFx::PaletteKnife { stroke_size: 1.0, stroke_detail: 1.0, softness: 10.0 }
+    );
+    assert!(fx("artistic.paletteKnife", json!({})).outset(Rect::new(0.0, 0.0, 40.0, 30.0)) > 0.0);
+}
+
+#[test]
+fn palette_knife_smears_a_ramp_and_keeps_coverage() {
+    let (w, h) = (48, 24);
+    let src = ramp(w, h);
+    let mut out = src.clone();
+    fx("artistic.paletteKnife", json!({"strokeSize": 20, "strokeDetail": 1, "softness": 0})).apply(&mut out, w, h, &space(w, h));
+    assert_ne!(out, src);
+    assert!(out.as_chunks::<4>().0.iter().zip(src.as_chunks::<4>().0).all(|(o, s)| o[3] == s[3]));
+    let mut gentle = src.clone();
+    fx("artistic.paletteKnife", json!({"strokeSize": 20, "strokeDetail": 3, "softness": 0})).apply(&mut gentle, w, h, &space(w, h));
+    let mean = |buf: &Vec<u8>| {
+        let n = buf.len() / 4;
+        buf.as_chunks::<4>().0.iter().map(|p| f64::from(p[0])).sum::<f64>() / n as f64
+    };
+    assert!((mean(&gentle) - mean(&src)).abs() < (mean(&out) - mean(&src)).abs());
+}

crates/engine/src/tests_rasterfilters.rs

@@ -31,11 +31,12 @@ const BRUSH_STROKES: [(&str, &str); 8] = [
 ];
 
 /// Effect › Artistic, at their defaults.
-const ARTISTIC: [(&str, &str); 9] = [
+const ARTISTIC: [(&str, &str); 10] = [
     ("artistic.cutout", "{}"),
     ("artistic.dryBrush", "{}"),
     ("artistic.filmGrain", "{}"),
     ("artistic.neonGlow", "{}"),
+    ("artistic.paletteKnife", "{}"),
     ("artistic.plasticWrap", "{}"),
     ("artistic.posterEdges", "{}"),
     ("artistic.smudgeStick", "{}"),

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

@@ -4555,7 +4555,9 @@ lighting	Light	Светлина
 	Dry Brush…	Суха четка…
 	Dry Brush	Суха четка
 	Neon Glow…	Неоново сияние…
+	Palette Knife…	Нож за палитра…
 	Neon Glow	Неоново сияние
+	Palette Knife	Нож за палитра
 	Poster Edges…	Плакатни ръбове…
 	Poster Edges	Плакатни ръбове
 	Levels	Нива

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

@@ -5054,7 +5054,9 @@ imageTrace	Outline	Obrys
 	Dry Brush…	Suchý štětec…
 	Dry Brush	Suchý štětec
 	Neon Glow…	Neonová záře…
+	Palette Knife…	Špachtle…
 	Neon Glow	Neonová záře
+	Palette Knife	Špachtle
 	Poster Edges…	Plakátové okraje…
 	Poster Edges	Plakátové okraje
 	Levels	Úrovně

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

@@ -5178,10 +5178,12 @@ swatch	Bright Violet	Kraftig violet
 	Cutout…	Udklip…
 	Dry Brush…	Tør pensel…
 	Neon Glow…	Neonglød…
+	Palette Knife…	Paletkniv…
 	Poster Edges…	Plakatkanter…
 	Cutout	Udklip
 	Dry Brush	Tør pensel
 	Neon Glow	Neonglød
+	Palette Knife	Paletkniv
 	Poster Edges	Plakatkanter
 	Apply Data Set	Anvend datasæt
 	Cancel Pattern Editing	Annullér redigering af mønster

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

@@ -4642,7 +4642,9 @@ lighting	Light	Licht
 	Dry Brush…	Trockenpinsel…
 	Dry Brush	Trockenpinsel
 	Neon Glow…	Neonglühen…
+	Palette Knife…	Palettenmesser…
 	Neon Glow	Neonglühen
+	Palette Knife	Palettenmesser
 	Poster Edges…	Posterkanten…
 	Poster Edges	Posterkanten
 	Levels	Stufen

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

@@ -2264,7 +2264,9 @@ lighting	Light	Φως
 	Dry Brush…	Ξηρό πινέλο…
 	Dry Brush	Ξηρό πινέλο
 	Neon Glow…	Λάμψη νέον…
+	Palette Knife…	Μαχαίρι παλέτας…
 	Neon Glow	Λάμψη νέον
+	Palette Knife	Μαχαίρι παλέτας
 	Poster Edges…	Άκρες αφίσας…
 	Poster Edges	Άκρες αφίσας
 	Levels	Επίπεδα

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

@@ -4642,7 +4642,9 @@ lighting	Light	Luz
 	Dry Brush…	Pincel seco…
 	Dry Brush	Pincel seco
 	Neon Glow…	Resplandor de neón…
+	Palette Knife…	Espátula…
 	Neon Glow	Resplandor de neón
+	Palette Knife	Espátula
 	Poster Edges…	Bordes de póster…
 	Poster Edges	Bordes de póster
 	Levels	Niveles

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

@@ -4949,7 +4949,9 @@ imageTrace	Outline	Ääriviiva
 	Dry Brush…	Kuiva sivellin…
 	Dry Brush	Kuiva sivellin
 	Neon Glow…	Neonhehku…
+	Palette Knife…	Palettiveitsi…
 	Neon Glow	Neonhehku
+	Palette Knife	Palettiveitsi
 	Poster Edges…	Julisteen reunat…
 	Poster Edges	Julisteen reunat
 	Levels	Tasot

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

@@ -4652,7 +4652,9 @@ lighting	Light	Lumière
 	Dry Brush…	Pinceau sec…
 	Dry Brush	Pinceau sec
 	Neon Glow…	Néon…
+	Palette Knife…	Couteau à palette…
 	Neon Glow	Néon
+	Palette Knife	Couteau à palette
 	Poster Edges…	Bords d’affiche…
 	Poster Edges	Bords d’affiche
 	Levels	Niveaux

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

@@ -1585,7 +1585,9 @@ file-filter	Templates	Sablonok
 	Dry Brush…	Száraz ecset…
 	Dry Brush	Száraz ecset
 	Neon Glow…	Neonfény…
+	Palette Knife…	Palettakés…
 	Neon Glow	Neonfény
+	Palette Knife	Palettakés
 	Poster Edges…	Poszterszélek…
 	Poster Edges	Poszterszélek
 	Levels	Szintek

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

@@ -5178,10 +5178,12 @@ swatch	Bright Violet	Violet cerah
 	Cutout…	Potongan…
 	Dry Brush…	Kuas kering…
 	Neon Glow…	Pendar neon…
+	Palette Knife…	Pisau palet…
 	Poster Edges…	Tepi poster…
 	Cutout	Potongan
 	Dry Brush	Kuas kering
 	Neon Glow	Pendar neon
+	Palette Knife	Pisau palet
 	Poster Edges	Tepi poster
 	Apply Data Set	Terapkan set data
 	Cancel Pattern Editing	Batalkan pengeditan pola

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

@@ -4684,7 +4684,9 @@ lighting	Light	Luce
 	Dry Brush…	Pennello secco…
 	Dry Brush	Pennello secco
 	Neon Glow…	Bagliore neon…
+	Palette Knife…	Spatola…
 	Neon Glow	Bagliore neon
+	Palette Knife	Spatola
 	Poster Edges…	Bordi poster…
 	Poster Edges	Bordi poster
 	Levels	Livelli

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

@@ -4723,7 +4723,9 @@ lighting	Light	ライト
 	Dry Brush…	ドライブラシ…
 	Dry Brush	ドライブラシ
 	Neon Glow…	ネオングロー…
+	Palette Knife…	パレットナイフ…
 	Neon Glow	ネオングロー
+	Palette Knife	パレットナイフ
 	Poster Edges…	ポスターエッジ…
 	Poster Edges	ポスターエッジ
 	Levels	レベル数

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

@@ -5077,7 +5077,9 @@ imageTrace	Outline	კონტური
 	Move Slice	ნაჭრის გადაადგილება
 	Move Type on a Path	ტრაექტორიაზე ტექსტის გადაადგილება
 	Neon Glow	ნეონის ნათება
+	Palette Knife	პალეტის დანა
 	Neon Glow…	ნეონის ნათება…
+	Palette Knife…	პალეტის დანა…
 	New Artboard Options…	ახალი სამუშაო დაფის პარამეტრები…
 	New Guide	ახალი დამხმარე ხაზი
 	Next Artboard	შემდეგი სამუშაო დაფა

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

@@ -4647,7 +4647,9 @@ lighting	Light	광원
 	Dry Brush…	드라이 브러시…
 	Dry Brush	드라이 브러시
 	Neon Glow…	네온 글로…
+	Palette Knife…	팔레트 나이프…
 	Neon Glow	네온 글로
+	Palette Knife	팔레트 나이프
 	Poster Edges…	포스터 가장자리…
 	Poster Edges	포스터 가장자리
 	Levels	레벨 수

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

@@ -5189,10 +5189,12 @@ swatch	Bright Violet	Felviolet
 	Cutout…	Knipsel…
 	Dry Brush…	Droog penseel…
 	Neon Glow…	Neongloed…
+	Palette Knife…	Paletmes…
 	Poster Edges…	Posterranden…
 	Cutout	Knipsel
 	Dry Brush	Droog penseel
 	Neon Glow	Neongloed
+	Palette Knife	Paletmes
 	Poster Edges	Posterranden
 	Apply Data Set	Gegevensset toepassen
 	Cancel Pattern Editing	Patroon bewerken annuleren

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

@@ -4887,7 +4887,9 @@ imageTrace	Outline	Kontur
 	Dry Brush…	Suchy pędzel…
 	Dry Brush	Suchy pędzel
 	Neon Glow…	Neonowa poświata…
+	Palette Knife…	Szpachel…
 	Neon Glow	Neonowa poświata
+	Palette Knife	Szpachel
 	Poster Edges…	Krawędzie plakatu…
 	Poster Edges	Krawędzie plakatu
 	Levels	Poziomy

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

@@ -4044,7 +4044,9 @@ axis	Both	Ambos
 	Dry Brush…	Pincel seco…
 	Dry Brush	Pincel seco
 	Neon Glow…	Brilho neon…
+	Palette Knife…	Espátula…
 	Neon Glow	Brilho neon
+	Palette Knife	Espátula
 	Poster Edges…	Bordas de pôster…
 	Poster Edges	Bordas de pôster
 	Levels	Níveis

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

@@ -4680,7 +4680,9 @@ lighting	Light	Свет
 	Dry Brush…	Сухая кисть…
 	Dry Brush	Сухая кисть
 	Neon Glow…	Неоновое свечение…
+	Palette Knife…	Нож для палитры…
 	Neon Glow	Неоновое свечение
+	Palette Knife	Нож для палитры
 	Poster Edges…	Края плаката…
 	Poster Edges	Края плаката
 	Levels	Уровни

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

@@ -4561,7 +4561,9 @@ lighting	Light	Ljus
 	Dry Brush…	Torr pensel…
 	Dry Brush	Torr pensel
 	Neon Glow…	Neonsken…
+	Palette Knife…	Palettkniv…
 	Neon Glow	Neonsken
+	Palette Knife	Palettkniv
 	Poster Edges…	Affischkanter…
 	Poster Edges	Affischkanter
 	Levels	Nivåer

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

@@ -4664,7 +4664,9 @@ lighting	Light	Світло
 	Dry Brush…	Суха кисть…
 	Dry Brush	Суха кисть
 	Neon Glow…	Неонове сяйво…
+	Palette Knife…	Ніж палітри…
 	Neon Glow	Неонове сяйво
+	Palette Knife	Ніж палітри
 	Poster Edges…	Плакатні краї…
 	Poster Edges	Плакатні краї
 	Levels	Рівні

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

@@ -1273,7 +1273,9 @@
 	Dry Brush…	Cọ khô…
 	Dry Brush	Cọ khô
 	Neon Glow…	Ánh neon…
+	Palette Knife…	Dao palette…
 	Neon Glow	Ánh neon
+	Palette Knife	Dao palette
 	Poster Edges…	Viền áp phích…
 	Poster Edges	Viền áp phích
 	Levels	Số mức

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

@@ -4948,7 +4948,9 @@ lighting	Light	光源
 	Cutout	剪纸
 	Dry Brush	干画笔
 	Neon Glow…	霓虹灯光…
+	Palette Knife…	调色刀…
 	Neon Glow	霓虹灯光
+	Palette Knife	调色刀
 	Poster Edges…	海报边缘…
 	Poster Edges	海报边缘
 	Levels	色阶数

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

@@ -4754,7 +4754,9 @@ lighting	Light	光源
 	Cutout	剪紙
 	Dry Brush	乾畫筆
 	Neon Glow…	霓虹光…
+	Palette Knife…	調色刀…
 	Neon Glow	霓虹光
+	Palette Knife	調色刀
 	Poster Edges…	海報邊緣…
 	Poster Edges	海報邊緣
 	Levels	色階數

crates/ui-egui/src/tests_labels.rs

@@ -88,7 +88,18 @@ fn effect_menu_lists_the_artistic_filters_before_blur() {
     let labels: Vec<&str> = artistic.iter().map(|e| e.label.as_str()).collect();
     assert_eq!(
         labels,
-        ["Cutout…", "Dry Brush…", "Film Grain…", "Neon Glow…", "Plastic Wrap…", "Poster Edges…", "Smudge Stick…", "Sponge…", "Watercolor…"]
+        [
+            "Cutout…",
+            "Dry Brush…",
+            "Film Grain…",
+            "Neon Glow…",
+            "Palette Knife…",
+            "Plastic Wrap…",
+            "Poster Edges…",
+            "Smudge Stick…",
+            "Sponge…",
+            "Watercolor…"
+        ]
     );
     assert!(artistic.iter().all(|e| e.command.as_deref() == Some("effect.dialog")));
     assert_eq!(artistic[1].params, json!({"effect": "artistic.dryBrush"}));