96 lines
2.3 KiB
Rust
96 lines
2.3 KiB
Rust
use crate::{Padding, Vector};
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/// An amount of space in 2 dimensions.
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#[derive(Debug, Clone, Copy, PartialEq, Eq)]
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pub struct Size<T = f32> {
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/// The width.
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pub width: T,
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/// The height.
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pub height: T,
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}
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impl<T> Size<T> {
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/// Creates a new [`Size`] with the given width and height.
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pub const fn new(width: T, height: T) -> Self {
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Size { width, height }
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}
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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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pub const ZERO: Size = Size::new(0., 0.);
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/// A [`Size`] with a width and height of 1 unit.
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pub const UNIT: Size = Size::new(1., 1.);
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/// A [`Size`] with infinite width and height.
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pub const INFINITY: Size = Size::new(f32::INFINITY, f32::INFINITY);
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/// Increments the [`Size`] to account for the given padding.
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pub fn pad(&self, padding: Padding) -> Self {
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Size {
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width: self.width + padding.horizontal(),
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height: self.height + padding.vertical(),
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}
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}
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/// Returns the minimum of each component of this size and another
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pub fn min(self, other: Self) -> Self {
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Size {
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width: self.width.min(other.width),
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height: self.height.min(other.height),
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}
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}
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/// Returns the maximum of each component of this size and another
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pub fn max(self, other: Self) -> Self {
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Size {
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width: self.width.max(other.width),
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height: self.height.max(other.height),
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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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impl From<Vector<f32>> for Size {
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fn from(vector: Vector<f32>) -> Self {
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Size {
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width: vector.x,
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height: vector.y,
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}
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}
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}
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impl From<Size> for [f32; 2] {
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fn from(size: Size) -> [f32; 2] {
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[size.width, size.height]
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}
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}
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impl From<Size> for Vector<f32> {
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fn from(size: Size) -> Self {
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Vector::new(size.width, size.height)
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}
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}
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impl std::ops::Sub for Size {
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type Output = Size;
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fn sub(self, rhs: Self) -> Self::Output {
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Size {
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width: self.width - rhs.width,
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height: self.height - rhs.height,
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}
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}
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}
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