use std::convert::From;
use std::ops::Mul;
use graphics::math::{ Scalar, Vec2d };
#[derive(Clone, Copy, Debug)]
pub struct Size {
pub w: Scalar,
pub h: Scalar,
}
impl From<Size> for Vec2d {
fn from(size: Size) -> Vec2d {
[size.w, size.h]
}
}
impl From<Vec2d> for Size {
fn from(v: Vec2d) -> Size {
Size { w: v[0], h: v[1] }
}
}
impl From<(Scalar, Scalar)> for Size {
fn from((w, h): (Scalar, Scalar)) -> Size {
Size { w: w, h: h }
}
}
impl<T: Into<Size>> Mul<T> for Size {
type Output = Size;
fn mul(self, v: T) -> Size {
let v: Size = v.into();
Size { w: self.w * v.w, h: self.h * v.h }
}
}
impl Mul<Scalar> for Size {
type Output = Size;
fn mul(self, s: Scalar) -> Size {
Size { w: self.w * s, h: self.h * s }
}
}