cssengine 0.2.0

#[cfg(feature = "serde")]
use serde::{Deserialize, Serialize};

#[derive(Debug, Clone, Copy, PartialEq, Eq)]
#[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
pub enum TextOverflow {
    Wrap,
    Clip,
    Ellipsis,
}

/// Allows italic or oblique faces to be selected.
#[derive(Clone, Copy, PartialEq, Eq, Debug, Hash)]
#[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
pub enum Style {
    /// A face that is neither italic not obliqued.
    Normal,
    /// A form that is generally cursive in nature.
    Italic,
    /// A typically-sloped version of the regular face.
    Oblique,
}

impl Default for Style {
    #[inline]
    fn default() -> Style {
        Style::Normal
    }
}

/// Specifies the weight of glyphs in the font, their degree of blackness or stroke thickness.
#[derive(Clone, Copy, PartialOrd, Ord, PartialEq, Eq, Debug, Hash)]
#[cfg_attr(feature = "serde", derive(Deserialize, Serialize))]
pub struct Weight(pub u16);

impl Default for Weight {
    #[inline]
    fn default() -> Weight {
        Weight::NORMAL
    }
}

impl Weight {
    /// Thin weight (100), the thinnest value.
    pub const THIN: Weight = Weight(100);
    /// Extra light weight (200).
    pub const EXTRA_LIGHT: Weight = Weight(200);
    /// Light weight (300).
    pub const LIGHT: Weight = Weight(300);
    /// Normal (400).
    pub const NORMAL: Weight = Weight(400);
    /// Medium weight (500, higher than normal).
    pub const MEDIUM: Weight = Weight(500);
    /// Semibold weight (600).
    pub const SEMIBOLD: Weight = Weight(600);
    /// Bold weight (700).
    pub const BOLD: Weight = Weight(700);
    /// Extra-bold weight (800).
    pub const EXTRA_BOLD: Weight = Weight(800);
    /// Black weight (900), the thickest value.
    pub const BLACK: Weight = Weight(900);
}