1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
|
use fontdock::{FontStretch, FontStyle, FontWeight};
use super::*;
/// `font`: Configure the font.
///
/// # Positional arguments
/// - Font size: optional, of type `linear` relative to current font size.
/// - Font families: variadic, of type `font-family`.
/// - Body: optional, of type `template`.
///
/// # Named arguments
/// - Font Style: `style`, of type `font-style`.
/// - Font Weight: `weight`, of type `font-weight`.
/// - Font Stretch: `stretch`, of type `font-stretch`.
/// - Serif family definition: `serif`, of type `font-families`.
/// - Sans-serif family definition: `sans-serif`, of type `font-families`.
/// - Monospace family definition: `monospace`, of type `font-families`.
///
/// # Relevant types and constants
/// - Type `font-families`
/// - coerces from `string`
/// - coerces from `array`
/// - coerces from `font-family`
/// - Type `font-family`
/// - `serif`
/// - `sans-serif`
/// - `monospace`
/// - coerces from `string`
/// - Type `font-style`
/// - `normal`
/// - `italic`
/// - `oblique`
/// - Type `font-weight`
/// - `thin` (100)
/// - `extralight` (200)
/// - `light` (300)
/// - `regular` (400)
/// - `medium` (500)
/// - `semibold` (600)
/// - `bold` (700)
/// - `extrabold` (800)
/// - `black` (900)
/// - coerces from `integer`
/// - Type `font-stretch`
/// - `ultra-condensed`
/// - `extra-condensed`
/// - `condensed`
/// - `semi-condensed`
/// - `normal`
/// - `semi-expanded`
/// - `expanded`
/// - `extra-expanded`
/// - `ultra-expanded`
pub fn font(ctx: &mut EvalContext, args: &mut ValueArgs) -> Value {
let size = args.find::<Linear>(ctx);
let list: Vec<_> = args.filter::<FontFamily>(ctx).map(|f| f.to_string()).collect();
let style = args.get(ctx, "style");
let weight = args.get(ctx, "weight");
let stretch = args.get(ctx, "stretch");
let serif = args.get(ctx, "serif");
let sans_serif = args.get(ctx, "sans-serif");
let monospace = args.get(ctx, "monospace");
let body = args.find::<ValueTemplate>(ctx);
Value::template("font", move |ctx| {
let snapshot = ctx.state.clone();
if let Some(linear) = size {
if linear.rel.is_zero() {
ctx.state.font.size = linear.abs;
ctx.state.font.scale = Relative::ONE.into();
} else {
ctx.state.font.scale = linear;
}
}
if !list.is_empty() {
let families = ctx.state.font.families_mut();
families.list = list.clone();
families.flatten();
}
if let Some(style) = style {
ctx.state.font.variant.style = style;
}
if let Some(weight) = weight {
ctx.state.font.variant.weight = weight;
}
if let Some(stretch) = stretch {
ctx.state.font.variant.stretch = stretch;
}
for (variant, arg) in &[
(FontFamily::Serif, &serif),
(FontFamily::SansSerif, &sans_serif),
(FontFamily::Monospace, &monospace),
] {
if let Some(FontFamilies(list)) = arg {
let strings = list.into_iter().map(|f| f.to_string()).collect();
let families = ctx.state.font.families_mut();
families.update_class_list(variant.to_string(), strings);
families.flatten();
}
}
if let Some(body) = &body {
body.exec(ctx);
ctx.state = snapshot;
}
})
}
/// A list of font families.
#[derive(Debug, Clone, PartialEq)]
struct FontFamilies(Vec<FontFamily>);
/// A single font family.
#[derive(Debug, Clone, Eq, PartialEq, Ord, PartialOrd)]
pub(super) enum FontFamily {
Serif,
SansSerif,
Monospace,
Named(String),
}
impl FontFamily {
pub fn as_str(&self) -> &str {
match self {
Self::Serif => "serif",
Self::SansSerif => "sans-serif",
Self::Monospace => "monospace",
Self::Named(s) => s,
}
}
}
impl Display for FontFamily {
fn fmt(&self, f: &mut Formatter) -> fmt::Result {
f.pad(self.as_str())
}
}
typify! {
FontFamilies: "font family or array of font families",
Value::Str(string) => Self(vec![FontFamily::Named(string.to_lowercase())]),
Value::Array(values) => Self(values
.into_iter()
.filter_map(|v| v.cast().ok())
.collect()
),
#(family: FontFamily) => Self(vec![family]),
}
typify! {
FontFamily: "font family",
Value::Str(string) => Self::Named(string.to_lowercase())
}
typify! {
FontStyle: "font style"
}
typify! {
FontWeight: "font weight",
Value::Int(number) => {
let [min, max] = [Self::THIN, Self::BLACK];
let message = || format!("should be between {:#?} and {:#?}", min, max);
return if number < i64::from(min.to_number()) {
CastResult::Warn(min, message())
} else if number > i64::from(max.to_number()) {
CastResult::Warn(max, message())
} else {
CastResult::Ok(Self::from_number(number as u16))
};
},
}
typify! {
FontStretch: "font stretch"
}
|
