sugarloaf 0.2.1

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

#[derive(Debug, Default, Serialize, Deserialize, PartialEq, Clone)]
pub enum SugarloafFontStyle {
    #[default]
    Normal,
    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_font_hinting() -> bool {
    true
}

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_font_hinting")]
    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>,
}

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![],
        }
    }
}