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use std::f32;
/// An amount of space in 2 dimensions.
#[derive(Debug, Clone, Copy, PartialEq)]
pub struct Size {
/// The width.
pub width: f32,
/// The height.
pub height: f32,
}
impl Size {
/// A [`Size`] with zero width and height.
///
/// [`Size`]: struct.Size.html
pub const ZERO: Size = Size::new(0., 0.);
/// A [`Size`] with infinite width and height.
///
/// [`Size`]: struct.Size.html
pub const INFINITY: Size = Size::new(f32::INFINITY, f32::INFINITY);
/// A [`Size`] of infinite width and height.
///
/// [`Size`]: struct.Size.html
pub const fn new(width: f32, height: f32) -> Self {
Size { width, height }
}
/// Increments the [`Size`] to account for the given padding.
///
/// [`Size`]: struct.Size.html
pub fn pad(&self, padding: f32) -> Self {
Size {
width: self.width + padding * 2.0,
height: self.height + padding * 2.0,
}
}
}
impl From<[f32; 2]> for Size {
fn from([width, height]: [f32; 2]) -> Self {
Size { width, height }
}
}
impl From<[u16; 2]> for Size {
fn from([width, height]: [u16; 2]) -> Self {
Size::new(width.into(), height.into())
}
}
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