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//! Load and use fonts.
use std::hash::Hash;
/// A font.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Default)]
pub struct Font {
/// The [`Family`] of the [`Font`].
pub family: Family,
/// The [`Weight`] of the [`Font`].
pub weight: Weight,
/// The [`Stretch`] of the [`Font`].
pub stretch: Stretch,
/// Whether if the [`Font`] is monospaced or not.
pub monospaced: bool,
}
impl Font {
/// A non-monospaced sans-serif font with normal [`Weight`].
pub const DEFAULT: Font = Font {
family: Family::SansSerif,
weight: Weight::Normal,
stretch: Stretch::Normal,
monospaced: false,
};
/// A monospaced font with normal [`Weight`].
pub const MONOSPACE: Font = Font {
family: Family::Monospace,
monospaced: true,
..Self::DEFAULT
};
/// Creates a non-monospaced [`Font`] with the given [`Family::Name`] and
/// normal [`Weight`].
pub const fn with_name(name: &'static str) -> Self {
Font {
family: Family::Name(name),
..Self::DEFAULT
}
}
}
/// A font family.
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Default)]
pub enum Family {
/// The name of a font family of choice.
Name(&'static str),
/// Serif fonts represent the formal text style for a script.
Serif,
/// Glyphs in sans-serif fonts, as the term is used in CSS, are generally low
/// contrast and have stroke endings that are plain — without any flaring,
/// cross stroke, or other ornamentation.
#[default]
SansSerif,
/// Glyphs in cursive fonts generally use a more informal script style, and
/// the result looks more like handwritten pen or brush writing than printed
/// letterwork.
Cursive,
/// Fantasy fonts are primarily decorative or expressive fonts that contain
/// decorative or expressive representations of characters.
Fantasy,
/// The sole criterion of a monospace font is that all glyphs have the same
/// fixed width.
Monospace,
}
/// The weight of some text.
#[allow(missing_docs)]
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Default)]
pub enum Weight {
Thin,
ExtraLight,
Light,
#[default]
Normal,
Medium,
Semibold,
Bold,
ExtraBold,
Black,
}
/// The width of some text.
#[allow(missing_docs)]
#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash, Default)]
pub enum Stretch {
UltraCondensed,
ExtraCondensed,
Condensed,
SemiCondensed,
#[default]
Normal,
SemiExpanded,
Expanded,
ExtraExpanded,
UltraExpanded,
}
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