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use bitflags::bitflags;
pub use crate::color::Color;
#[derive(Debug, Clone, Copy, PartialEq)]
pub struct Attr {
pub fg: Color,
pub bg: Color,
pub effect: Effect,
}
impl Default for Attr {
fn default() -> Self {
Attr {
fg: Color::default(),
bg: Color::default(),
effect: Effect::empty(),
}
}
}
impl Attr {
pub fn extend(&self, new_attr: Self) -> Attr {
Attr {
fg: if new_attr.fg != Color::default() {
new_attr.fg
} else {
self.fg
},
bg: if new_attr.bg != Color::default() {
new_attr.bg
} else {
self.bg
},
effect: self.effect | new_attr.effect,
}
}
pub fn fg(mut self, fg: Color) -> Self {
self.fg = fg;
self
}
pub fn bg(mut self, bg: Color) -> Self {
self.bg = bg;
self
}
pub fn effect(mut self, effect: Effect) -> Self {
self.effect = effect;
self
}
}
bitflags! {
pub struct Effect: u8 {
const BOLD = 0b00000001;
const DIM = 0b00000010;
const UNDERLINE = 0b00000100;
const BLINK = 0b00001000;
const REVERSE = 0b00010000;
}
}
impl From<Color> for Attr {
fn from(fg: Color) -> Self {
Attr {
fg,
..Default::default()
}
}
}
impl From<Effect> for Attr {
fn from(effect: Effect) -> Self {
Attr {
effect,
..Default::default()
}
}
}