yog_book/
theme.rs

1//! Visual theme for book rendering.
2
3use yog_gfx::Color;
4
5#[derive(Debug, Clone)]
6pub struct BookTheme {
7    /// Outer book background (dark border frame).
8    pub bg: Color,
9    /// Left page background (light parchment).
10    pub page_bg: Color,
11    /// Right page background (slightly warmer parchment).
12    pub page_bg_right: Color,
13    /// Default body text.
14    pub text: Color,
15    /// Entry/category titles.
16    pub title: Color,
17    /// Unselected navigation text.
18    pub nav: Color,
19    /// Selected navigation item text.
20    pub nav_selected: Color,
21    /// Selected navigation item background.
22    pub nav_selected_bg: Color,
23    /// Border/separator line color.
24    pub border: Color,
25    /// Book nameplate (title) color.
26    pub nameplate: Color,
27    /// Divider line between sections.
28    pub divider: Color,
29}
30
31impl Default for BookTheme {
32    fn default() -> Self {
33        Self {
34            // Patchouli defaults: textColor=000000, headerColor=333333,
35            // nameplateColor=FFDD98.
36            bg: Color(0xFF_2A1A08),              // dark brown outer frame
37            page_bg: Color(0xFF_F5E6C8),         // left page: warm cream parchment
38            page_bg_right: Color(0xFF_EECF9A),   // right page: slightly golden parchment
39            text: Color(0xFF_000000),            // body text (Patchouli textColor)
40            title: Color(0xFF_333333),           // headers (Patchouli headerColor)
41            nav: Color(0xFF_5C4020),             // nav links (unselected)
42            nav_selected: Color(0xFF_C87820),    // nav links (selected, amber)
43            nav_selected_bg: Color(0x50_C87820), // selected row tint (semi-transparent amber)
44            border: Color(0xFF_5C3A10),          // spine + divider lines
45            nameplate: Color(0xFF_FFDD98),       // book title color (Patchouli nameplateColor)
46            divider: Color(0xFF_333333),         // section headers ("Categories" etc.)
47        }
48    }
49}
50
51impl BookTheme {
52    /// Override nameplate color from the book's hex string (e.g. "0066cc").
53    /// Like Patchouli, this only affects the nameplate text — headers keep
54    /// their own headerColor.
55    pub fn with_nameplate(mut self, hex: &str) -> Self {
56        if let Some(c) = Color::parse(&format!("#{}", hex.trim_start_matches('#'))) {
57            self.nameplate = c.with_alpha(0xff);
58        }
59        self
60    }
61}
yog_book/theme.rs

yog_book/
theme.rs
