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effectcraft/crates/ui-egui/src/theme.rs
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Brandon ThomasandClaude Opus 5.5 94e1c86d89 IO-2/SHP-5/PRV-2: PSD import, SVG import + vector/text conversions, persistent disk cache 
- effectcraft-psd (L1): PSD/PSB reader from Adobe's published file format spec (layers, groups,
  masks, blend modes, text engine data, lfx2 effects, fill/adjustment layers, vector masks;
  1/8/16/32-bit, RGB/CMYK/Gray/Lab/Indexed, raw/RLE/ZIP) and a minimal writer for fixtures.
- File > Import: importAs footage|composition|compositionLayerSizes, layer (Choose Layer);
  groups -> precomps (pass-through collapses), text -> editable text, styles -> Layer Styles,
  adjustments -> adjustment layers with effects; UI asks the Import Kind for Photoshop files.
- effectcraft-svg (L2): SVG parser (shapes, paths, transforms, use, CSS, gradients) and
  rasteriser; .svg imports as footage, continuously rasterised when the switch is on.
- layer.create: shapesFromVector, shapesFromText, masksFromText, editableText (stub removed).
- Disk cache (render::disk_cache): LZ4 content-keyed frames and layer buffers, LRU size limit
  from prefs, atomic writes, restart persistence; edit.purge clears it, cache.diskStats query;
  viewer frames read/write it and the timeline shows disk-only frames in blue.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-10-02 22:10:48 -04:00

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//! Design tokens. Every widget reads colours/sizes from [`Tokens`] so themes apply everywhere.
//!
//! The default theme follows the look of After Effects' dark UI (values estimated from public
//! documentation and product knowledge, tuned by eye; see `plan/aftereffects/README.md` §2). Fonts
//! are Inter + JetBrains Mono (OFL).
use std::sync::Arc;
use egui::{Color32, FontData, FontDefinitions, FontFamily, FontId, Stroke, TextStyle, Visuals};
use serde::{Deserialize, Serialize};
#[derive(Clone, Copy, Debug, Default, PartialEq, Eq, Serialize, Deserialize)]
pub enum ThemeKind {
#[default]
Dark,
Darker,
Light,
}
impl ThemeKind {
pub fn from_name(s: &str) -> Option<ThemeKind> {
match s.to_ascii_lowercase().as_str() {
"dark" | "default" => Some(ThemeKind::Dark),
"darker" | "darkest" => Some(ThemeKind::Darker),
"light" => Some(ThemeKind::Light),
_ => None,
}
}
}
#[derive(Clone, Copy, Debug, PartialEq)]
pub struct Tokens {
pub kind: ThemeKind,
pub app_bg: Color32,
pub header_bg: Color32,
pub panel_bg: Color32,
pub tab_text: Color32,
pub tab_text_active: Color32,
pub focus: Color32,
pub accent: Color32,
pub accent_hover: Color32,
pub text: Color32,
pub text_dim: Color32,
pub text_faint: Color32,
pub icon: Color32,
pub icon_active: Color32,
pub hover: Color32,
pub pressed: Color32,
pub field_bg: Color32,
pub field_border: Color32,
pub separator: Color32,
pub row: Color32,
pub row_alt: Color32,
pub row_selected: Color32,
pub hot_text: Color32,
pub tl_bg: Color32,
pub tl_ruler_bg: Color32,
pub tl_ruler_tick: Color32,
pub tl_ruler_text: Color32,
pub cti: Color32,
pub work_area: Color32,
pub cache_green: Color32,
/// Timeline cache bar for frames held in the disk cache (not in RAM).
pub cache_blue: Color32,
pub keyframe: Color32,
pub keyframe_selected: Color32,
pub pasteboard: Color32,
pub timecode: Color32,
pub danger: Color32,
pub warning: Color32,
/// Label colours (`Label::ALL` order), from Settings ▸ Labels.
pub labels: [Color32; 17],
pub radius: f32,
pub radius_sm: f32,
pub gap: f32,
pub tab_h: f32,
pub row_h: f32,
}
impl Tokens {
pub fn for_kind(kind: ThemeKind) -> Self {
let dark = Tokens {
kind,
app_bg: Color32::from_rgb(0x12, 0x12, 0x12),
header_bg: Color32::from_rgb(0x1f, 0x1f, 0x1f),
panel_bg: Color32::from_rgb(0x23, 0x23, 0x23),
tab_text: Color32::from_rgb(0x9a, 0x9a, 0x9a),
tab_text_active: Color32::from_rgb(0xe3, 0xe3, 0xe3),
focus: Color32::from_rgb(0x2d, 0x8c, 0xeb),
accent: Color32::from_rgb(0x2d, 0x8c, 0xeb),
accent_hover: Color32::from_rgb(0x4a, 0xa0, 0xf5),
text: Color32::from_rgb(0xc8, 0xc8, 0xc8),
text_dim: Color32::from_rgb(0x9a, 0x9a, 0x9a),
text_faint: Color32::from_rgb(0x66, 0x66, 0x66),
icon: Color32::from_rgb(0xb4, 0xb4, 0xb4),
icon_active: Color32::from_rgb(0xf0, 0xf0, 0xf0),
hover: Color32::from_rgb(0x30, 0x30, 0x30),
pressed: Color32::from_rgb(0x45, 0x45, 0x45),
field_bg: Color32::from_rgb(0x17, 0x17, 0x17),
field_border: Color32::from_rgb(0x3a, 0x3a, 0x3a),
separator: Color32::from_rgb(0x34, 0x34, 0x34),
row: Color32::from_rgb(0x23, 0x23, 0x23),
row_alt: Color32::from_rgb(0x27, 0x27, 0x27),
row_selected: Color32::from_rgb(0x3a, 0x3a, 0x3a),
hot_text: Color32::from_rgb(0x3d, 0x8f, 0xf5),
tl_bg: Color32::from_rgb(0x1b, 0x1b, 0x1b),
tl_ruler_bg: Color32::from_rgb(0x23, 0x23, 0x23),
tl_ruler_tick: Color32::from_rgb(0x70, 0x70, 0x70),
tl_ruler_text: Color32::from_rgb(0x9a, 0x9a, 0x9a),
cti: Color32::from_rgb(0x2d, 0x8c, 0xeb),
work_area: Color32::from_rgb(0x4a, 0x4a, 0x4a),
cache_green: Color32::from_rgb(0x3c, 0xa6, 0x4c),
cache_blue: Color32::from_rgb(0x3a, 0x6f, 0xd8),
keyframe: Color32::from_rgb(0xa8, 0xa8, 0xa8),
keyframe_selected: Color32::from_rgb(0x3d, 0x8f, 0xf5),
pasteboard: Color32::from_rgb(0x1a, 0x1a, 0x1a),
timecode: Color32::from_rgb(0x3d, 0x8f, 0xf5),
danger: Color32::from_rgb(0xe0, 0x4a, 0x3c),
warning: Color32::from_rgb(0xe8, 0x9a, 0x2c),
labels: default_labels(),
radius: 6.0,
radius_sm: 3.0,
gap: 4.0,
tab_h: 30.0,
row_h: 22.0,
};
match kind {
ThemeKind::Dark => dark,
ThemeKind::Darker => Tokens {
app_bg: Color32::from_rgb(0x08, 0x08, 0x08),
header_bg: Color32::from_rgb(0x16, 0x16, 0x16),
panel_bg: Color32::from_rgb(0x19, 0x19, 0x19),
row: Color32::from_rgb(0x19, 0x19, 0x19),
row_alt: Color32::from_rgb(0x1d, 0x1d, 0x1d),
tl_bg: Color32::from_rgb(0x12, 0x12, 0x12),
tl_ruler_bg: Color32::from_rgb(0x19, 0x19, 0x19),
field_bg: Color32::from_rgb(0x0e, 0x0e, 0x0e),
pasteboard: Color32::from_rgb(0x11, 0x11, 0x11),
..dark
},
ThemeKind::Light => Tokens {
app_bg: Color32::from_rgb(0xb4, 0xb4, 0xb4),
header_bg: Color32::from_rgb(0xd6, 0xd6, 0xd6),
panel_bg: Color32::from_rgb(0xe6, 0xe6, 0xe6),
tab_text: Color32::from_rgb(0x5a, 0x5a, 0x5a),
tab_text_active: Color32::from_rgb(0x14, 0x14, 0x14),
text: Color32::from_rgb(0x22, 0x22, 0x22),
text_dim: Color32::from_rgb(0x5a, 0x5a, 0x5a),
text_faint: Color32::from_rgb(0x8c, 0x8c, 0x8c),
icon: Color32::from_rgb(0x3c, 0x3c, 0x3c),
icon_active: Color32::from_rgb(0x10, 0x10, 0x10),
hover: Color32::from_rgb(0xd0, 0xd0, 0xd0),
pressed: Color32::from_rgb(0xc0, 0xc0, 0xc0),
field_bg: Color32::from_rgb(0xfa, 0xfa, 0xfa),
field_border: Color32::from_rgb(0xaa, 0xaa, 0xaa),
separator: Color32::from_rgb(0xc8, 0xc8, 0xc8),
row: Color32::from_rgb(0xe6, 0xe6, 0xe6),
row_alt: Color32::from_rgb(0xde, 0xde, 0xde),
row_selected: Color32::from_rgb(0xaa, 0xc8, 0xf0),
tl_bg: Color32::from_rgb(0xd2, 0xd2, 0xd2),
tl_ruler_bg: Color32::from_rgb(0xe2, 0xe2, 0xe2),
tl_ruler_text: Color32::from_rgb(0x50, 0x50, 0x50),
pasteboard: Color32::from_rgb(0xa8, 0xa8, 0xa8),
..dark
},
}
}
pub fn mono(size: f32) -> FontId {
FontId::new(size, FontFamily::Monospace)
}
pub fn ui(size: f32) -> FontId {
FontId::new(size, FontFamily::Proportional)
}
pub fn semibold(size: f32) -> FontId {
FontId::new(size, FontFamily::Name("semibold".into()))
}
pub fn medium(size: f32) -> FontId {
FontId::new(size, FontFamily::Name("medium".into()))
}
/// sRGB colour of an item/layer label (Settings ▸ Labels).
pub fn label(&self, l: effectcraft_color::Label) -> Color32 {
let i = effectcraft_color::Label::ALL.iter().position(|x| *x == l).unwrap_or(0);
self.labels[i]
}
/// Theme tokens for the current settings: theme, UI brightness and label colours.
pub fn from_prefs(p: &effectcraft_engine::prefs::Prefs) -> Tokens {
let kind = ThemeKind::from_name(&p.appearance.theme).unwrap_or_default();
let mut t = Tokens::for_kind(kind).with_brightness(p.appearance.brightness as f32);
for (i, l) in effectcraft_color::Label::ALL.iter().enumerate() {
let [r, g, b] = p.label_rgb(*l);
t.labels[i] = Color32::from_rgb(r, g, b);
}
t
}
/// Lighten (b > 0) or darken (b < 0) the interface greys, like After Effects' brightness
/// slider. Accent colours, labels and keyframe colours are kept.
pub fn with_brightness(mut self, b: f32) -> Tokens {
let b = b.clamp(-1.0, 1.0);
if b.abs() < 1e-3 {
return self;
}
let adj = |c: &mut Color32| {
let f = |v: u8| -> u8 {
let v = v as f32;
(if b > 0.0 { v + (110.0 - v).max(0.0) * b * 0.8 + 10.0 * b } else { v * (1.0 + b * 0.6) }).round().clamp(0.0, 255.0) as u8
};
*c = Color32::from_rgb(f(c.r()), f(c.g()), f(c.b()));
};
for c in [
&mut self.app_bg,
&mut self.header_bg,
&mut self.panel_bg,
&mut self.hover,
&mut self.pressed,
&mut self.field_bg,
&mut self.field_border,
&mut self.separator,
&mut self.row,
&mut self.row_alt,
&mut self.row_selected,
&mut self.tl_bg,
&mut self.tl_ruler_bg,
&mut self.pasteboard,
&mut self.work_area,
] {
adj(c);
}
self
}
}
fn default_labels() -> [Color32; 17] {
effectcraft_color::Label::ALL.map(|l| {
let [r, g, b] = l.rgb();
Color32::from_rgb(r, g, b)
})
}
static INTER_REGULAR: &[u8] = include_bytes!("../../../assets/fonts/Inter-Regular.ttf");
static INTER_MEDIUM: &[u8] = include_bytes!("../../../assets/fonts/Inter-Medium.ttf");
static INTER_SEMIBOLD: &[u8] = include_bytes!("../../../assets/fonts/Inter-SemiBold.ttf");
static JETBRAINS_MONO: &[u8] = include_bytes!("../../../assets/fonts/JetBrainsMono-Regular.ttf");
/// Install fonts (Inter, Inter Medium/SemiBold, JetBrains Mono) and egui visuals.
pub fn install(ctx: &egui::Context, t: &Tokens) {
let mut fonts = FontDefinitions::default();
fonts.font_data.insert("inter".into(), Arc::new(FontData::from_static(INTER_REGULAR)));
fonts.font_data.insert("inter-medium".into(), Arc::new(FontData::from_static(INTER_MEDIUM)));
fonts.font_data.insert("inter-semibold".into(), Arc::new(FontData::from_static(INTER_SEMIBOLD)));
fonts.font_data.insert("jbmono".into(), Arc::new(FontData::from_static(JETBRAINS_MONO)));
fonts.families.entry(FontFamily::Proportional).or_default().insert(0, "inter".into());
fonts.families.entry(FontFamily::Monospace).or_default().insert(0, "jbmono".into());
fonts.families.insert(FontFamily::Name("semibold".into()), vec!["inter-semibold".into(), "inter".into()]);
fonts.families.insert(FontFamily::Name("medium".into()), vec!["inter-medium".into(), "inter".into()]);
ctx.set_fonts(fonts);
apply_visuals(ctx, t);
}
pub fn apply_visuals(ctx: &egui::Context, t: &Tokens) {
let mut v = if t.kind == ThemeKind::Light { Visuals::light() } else { Visuals::dark() };
v.panel_fill = t.panel_bg;
v.window_fill = t.panel_bg;
v.extreme_bg_color = t.field_bg;
v.faint_bg_color = t.row_alt;
v.override_text_color = Some(t.text);
v.selection.bg_fill = t.accent;
v.selection.stroke = Stroke::new(1.0, Color32::WHITE);
v.hyperlink_color = t.accent;
v.window_stroke = Stroke::new(1.0, t.field_border);
v.window_corner_radius = egui::CornerRadius::same(8);
v.menu_corner_radius = egui::CornerRadius::same(6);
v.popup_shadow = egui::epaint::Shadow { offset: [0, 6], blur: 20, spread: 0, color: Color32::from_black_alpha(150) };
v.window_shadow = egui::epaint::Shadow { offset: [0, 10], blur: 36, spread: 0, color: Color32::from_black_alpha(170) };
for w in [&mut v.widgets.noninteractive, &mut v.widgets.inactive, &mut v.widgets.hovered, &mut v.widgets.active, &mut v.widgets.open] {
w.corner_radius = egui::CornerRadius::same(t.radius_sm as u8);
}
v.widgets.noninteractive.bg_fill = t.panel_bg;
v.widgets.noninteractive.weak_bg_fill = t.panel_bg;
v.widgets.noninteractive.bg_stroke = Stroke::new(1.0, t.separator);
v.widgets.noninteractive.fg_stroke = Stroke::new(1.0, t.text);
v.widgets.inactive.bg_fill = t.field_bg;
v.widgets.inactive.weak_bg_fill = Color32::from_rgb(0x2e, 0x2e, 0x2e);
v.widgets.inactive.bg_stroke = Stroke::new(1.0, t.field_border);
v.widgets.inactive.fg_stroke = Stroke::new(1.0, t.text);
v.widgets.hovered.bg_fill = t.hover;
v.widgets.hovered.weak_bg_fill = Color32::from_rgb(0x3a, 0x3a, 0x3a);
v.widgets.hovered.bg_stroke = Stroke::new(1.0, t.field_border);
v.widgets.hovered.fg_stroke = Stroke::new(1.0, t.tab_text_active);
v.widgets.active.bg_fill = t.pressed;
v.widgets.active.weak_bg_fill = t.pressed;
v.widgets.active.fg_stroke = Stroke::new(1.0, t.tab_text_active);
v.widgets.open.bg_fill = t.hover;
v.widgets.open.weak_bg_fill = t.hover;
ctx.set_visuals(v);
ctx.global_style_mut(|s| {
s.spacing.item_spacing = egui::vec2(6.0, 4.0);
s.spacing.button_padding = egui::vec2(8.0, 3.0);
s.spacing.interact_size.y = 22.0;
s.spacing.menu_margin = egui::Margin::same(5);
s.text_styles.insert(TextStyle::Body, FontId::new(12.0, FontFamily::Proportional));
s.text_styles.insert(TextStyle::Button, FontId::new(12.0, FontFamily::Proportional));
s.text_styles.insert(TextStyle::Small, FontId::new(11.0, FontFamily::Proportional));
s.text_styles.insert(TextStyle::Heading, FontId::new(15.0, FontFamily::Name("semibold".into())));
s.text_styles.insert(TextStyle::Monospace, FontId::new(12.0, FontFamily::Monospace));
s.animation_time = 0.1;
});
}
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