sugarloaf 0.2.9

Sugarloaf is Rio rendering engine, designed to be multiplatform. It is based on WebGPU, Rust library for Desktops and WebAssembly for Web (JavaScript). This project is created and maintained for Rio terminal purposes but feel free to use it.
Documentation 
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

use crate::font::DEFAULT_FONT_FAMILY;
use serde::{Deserialize, Serialize};

#[derive(Debug, Default, Serialize, Deserialize, PartialEq, Clone)]
pub enum SugarloafFontStyle {
    #[default]
    #[serde(alias = "normal")]
    Normal,
    #[serde(alias = "italic")]
    Italic,
}

#[derive(Debug, Default, Serialize, Deserialize, PartialEq, Clone)]
pub enum SugarloafFontWidth {
    UltraCondensed,
    ExtraCondensed,
    Condensed,
    SemiCondensed,
    #[default]
    Normal,
    SemiExpanded,
    Expanded,
    ExtraExpanded,
    UltraExpanded,
}

#[derive(Debug, Serialize, Deserialize, PartialEq, Clone)]
pub struct SugarloafFont {
    #[serde(default = "default_font_family")]
    pub family: String,
    #[serde(default = "Option::default")]
    pub weight: Option<u16>,
    #[serde(default = "SugarloafFontStyle::default")]
    pub style: SugarloafFontStyle,
    #[serde(default = "Option::default")]
    pub width: Option<SugarloafFontWidth>,
}

impl Default for SugarloafFont {
    fn default() -> Self {
        Self {
            family: default_font_family(),
            weight: None,
            style: SugarloafFontStyle::Normal,
            width: None,
        }
    }
}

impl SugarloafFont {
    #[inline]
    pub fn is_default_family(&self) -> bool {
        let current = self.family.replace(' ', "").trim().to_lowercase();
        current == default_font_family()
    }
}

#[inline]
pub fn default_font_size() -> f32 {
    14.
}

#[inline]
pub fn default_bool_true() -> bool {
    true
}

#[derive(Clone, Debug, PartialEq, Serialize, Deserialize)]
pub struct SymbolMap {
    pub start: String,
    pub end: String,
    #[serde(rename = "font-family")]
    pub font_family: String,
}

fn default_font_family() -> String {
    DEFAULT_FONT_FAMILY.to_string()
}

pub fn default_font_regular() -> SugarloafFont {
    SugarloafFont {
        family: default_font_family(),
        weight: Some(400),
        style: SugarloafFontStyle::Normal,
        width: None,
    }
}

pub fn default_font_bold() -> SugarloafFont {
    SugarloafFont {
        family: default_font_family(),
        weight: Some(800),
        style: SugarloafFontStyle::Normal,
        width: None,
    }
}

pub fn default_font_italic() -> SugarloafFont {
    SugarloafFont {
        family: default_font_family(),
        weight: Some(300),
        style: SugarloafFontStyle::Italic,
        width: None,
    }
}

pub fn default_font_bold_italic() -> SugarloafFont {
    SugarloafFont {
        family: default_font_family(),
        weight: Some(800),
        style: SugarloafFontStyle::Italic,
        width: None,
    }
}

#[derive(Debug, Serialize, Deserialize, PartialEq, Clone)]
pub struct SugarloafFonts {
    #[serde(default = "default_font_size")]
    pub size: f32,
    #[serde(default = "default_bool_true")]
    pub hinting: bool,
    #[serde(default = "Option::default")]
    pub features: Option<Vec<String>>,
    #[serde(default = "Option::default")]
    pub family: Option<String>,
    #[serde(default = "default_font_regular")]
    pub regular: SugarloafFont,
    #[serde(default = "default_font_bold")]
    pub bold: SugarloafFont,
    #[serde(default = "default_font_bold_italic", rename = "bold-italic")]
    pub bold_italic: SugarloafFont,
    #[serde(default = "default_font_italic")]
    pub italic: SugarloafFont,
    #[serde(default = "Option::default")]
    pub ui: Option<SugarloafFont>,
    #[serde(default = "Option::default")]
    pub emoji: Option<SugarloafFont>,
    #[serde(default = "Vec::default")]
    pub extras: Vec<SugarloafFont>,
    #[serde(default = "Option::default", rename = "symbol-map")]
    pub symbol_map: Option<Vec<SymbolMap>>,
}

pub fn parse_unicode(input: &str) -> Option<char> {
    if let Ok(unicode) = u32::from_str_radix(input, 16) {
        if let Some(result) = char::from_u32(unicode) {
            return Some(result);
        }
    }

    None
}

impl Default for SugarloafFonts {
    fn default() -> SugarloafFonts {
        SugarloafFonts {
            features: None,
            hinting: true,
            size: default_font_size(),
            family: None,
            emoji: None,
            ui: None,
            regular: default_font_regular(),
            bold: default_font_bold(),
            bold_italic: default_font_bold_italic(),
            italic: default_font_italic(),
            extras: vec![],
            symbol_map: None,
        }
    }
}