From 8547ad9c2f2867da9b0e655dd4ff0fe78f04ffba Mon Sep 17 00:00:00 2001
From: Ben Bridle <bridle.benjamin@gmail.com>
Date: Sun, 24 Dec 2023 20:03:12 +1300
Subject: First commit

---
 src/dimensions.rs | 94 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 94 insertions(+)
 create mode 100644 src/dimensions.rs

(limited to 'src/dimensions.rs')

diff --git a/src/dimensions.rs b/src/dimensions.rs
new file mode 100644
index 0000000..feb5bab
--- /dev/null
+++ b/src/dimensions.rs
@@ -0,0 +1,94 @@
+use crate::*;
+use std::fmt;
+
+#[derive(Copy, Clone, PartialEq)]
+pub struct Dimensions<D: Internal> {
+    pub width: D,
+    pub height: D,
+}
+
+pub trait HasDimensions<D: Internal> {
+    fn dimensions(&self) -> Dimensions<D>;
+
+    fn width(&self) -> D {
+        self.dimensions().width
+    }
+
+    fn height(&self) -> D {
+        self.dimensions().height
+    }
+
+    fn area_usize(&self) -> usize {
+        self.dimensions().width.as_usize() * self.dimensions().height.as_usize()
+    }
+
+    fn area_f64(&self) -> f64 {
+        self.dimensions().width.as_f64() * self.dimensions().height.as_f64()
+    }
+
+    fn contains_point(&self, point: Point<D>) -> bool {
+        point.x < self.width() && point.y < self.height()
+    }
+}
+
+impl<D: Internal> Dimensions<D> {
+    pub const ZERO: Self = Self { width: D::ZERO, height: D::ZERO };
+
+    pub const fn new(width: D, height: D) -> Self {
+        Dimensions { width, height }
+    }
+
+    pub fn is_zero(&self) -> bool {
+        self.width == D::ZERO && self.height == D::ZERO
+    }
+}
+
+impl<D: Internal> HasDimensions<D> for Dimensions<D> {
+    fn dimensions(&self) -> Dimensions<D> {
+        *self
+    }
+}
+
+impl<O: Internal, D: Internal> From<Rect<O, D>> for Dimensions<D> {
+    fn from(rect: Rect<O, D>) -> Self {
+        rect.dimensions
+    }
+}
+
+impl<D: Internal> fmt::Debug for Dimensions<D> {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        write!(f, "Dimensions {{ w:{:?} h:{:?} }}", self.width, self.height)
+    }
+}
+
+impl<D: Internal> std::ops::Mul<D> for Dimensions<D> {
+    type Output = Self;
+    fn mul(mut self, scale: D) -> Self {
+        self.width *= scale;
+        self.height *= scale;
+        return self;
+    }
+}
+
+impl<D: Internal> std::ops::MulAssign<D> for Dimensions<D> {
+    fn mul_assign(&mut self, scale: D) {
+        self.width *= scale;
+        self.height *= scale;
+    }
+}
+
+impl<D: Internal> std::ops::Div<D> for Dimensions<D> {
+    type Output = Self;
+    fn div(mut self, scale: D) -> Self {
+        self.width /= scale;
+        self.height /= scale;
+        return self;
+    }
+}
+
+impl<D: Internal> std::ops::DivAssign<D> for Dimensions<D> {
+    fn div_assign(&mut self, scale: D) {
+        self.width /= scale;
+        self.height /= scale;
+    }
+}
-- 
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