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