89 lines
1.7 KiB
Rust
89 lines
1.7 KiB
Rust
/// An amount of logical pixels.
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///
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/// Normally used to represent an amount of space, or the size of something.
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///
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/// This type is normally asked as an argument in a generic way
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/// (e.g. `impl Into<Pixels>`) and, since `Pixels` implements `From` both for
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/// `f32` and `u16`, you should be able to provide both integers and float
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/// literals as needed.
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#[derive(Debug, Clone, Copy, PartialEq, PartialOrd, Default)]
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pub struct Pixels(pub f32);
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impl Pixels {
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/// Zero pixels.
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pub const ZERO: Self = Self(0.0);
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}
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impl From<f32> for Pixels {
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fn from(amount: f32) -> Self {
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Self(amount)
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}
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}
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impl From<u32> for Pixels {
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fn from(amount: u32) -> Self {
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Self(amount as f32)
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}
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}
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impl From<Pixels> for f32 {
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fn from(pixels: Pixels) -> Self {
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pixels.0
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}
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}
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impl std::ops::Add for Pixels {
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type Output = Pixels;
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fn add(self, rhs: Self) -> Self {
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Pixels(self.0 + rhs.0)
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}
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}
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impl std::ops::Add<f32> for Pixels {
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type Output = Pixels;
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fn add(self, rhs: f32) -> Self {
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Pixels(self.0 + rhs)
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}
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}
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impl std::ops::Mul for Pixels {
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type Output = Pixels;
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fn mul(self, rhs: Self) -> Self {
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Pixels(self.0 * rhs.0)
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}
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}
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impl std::ops::Mul<f32> for Pixels {
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type Output = Pixels;
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fn mul(self, rhs: f32) -> Self {
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Pixels(self.0 * rhs)
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}
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}
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impl std::ops::Div for Pixels {
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type Output = Pixels;
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fn div(self, rhs: Self) -> Self {
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Pixels(self.0 / rhs.0)
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}
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}
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impl std::ops::Div<f32> for Pixels {
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type Output = Pixels;
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fn div(self, rhs: f32) -> Self {
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Pixels(self.0 / rhs)
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}
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}
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impl std::ops::Div<u32> for Pixels {
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type Output = Pixels;
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fn div(self, rhs: u32) -> Self {
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Pixels(self.0 / rhs as f32)
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}
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}
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