Add some more operators to rects and vectors

geometry/src/rect.rs

@@ -12,7 +12,7 @@
 
 use crate::vector::{IntoVector2F, Vector2F, Vector2I};
 use pathfinder_simd::default::{F32x4, I32x4};
-use std::ops::{Add, Mul};
+use std::ops::{Add, Mul, Sub};
 
 #[derive(Clone, Copy, Debug, PartialEq, Default)]
 pub struct RectF(pub F32x4);
@@ -198,6 +198,14 @@ impl Add<Vector2F> for RectF {
     }
 }
 
+impl Add<f32> for RectF {
+    type Output = RectF;
+    #[inline]
+    fn add(self, other: f32) -> RectF {
+        RectF::new(self.origin() + other, self.size())
+    }
+}
+
 impl Mul<Vector2F> for RectF {
     type Output = RectF;
     #[inline]
@@ -214,6 +222,22 @@ impl Mul<f32> for RectF {
     }
 }
 
+impl Sub<Vector2F> for RectF {
+    type Output = RectF;
+    #[inline]
+    fn sub(self, other: Vector2F) -> RectF {
+        RectF::new(self.origin() - other, self.size())
+    }
+}
+
+impl Sub<f32> for RectF {
+    type Output = RectF;
+    #[inline]
+    fn sub(self, other: f32) -> RectF {
+        RectF::new(self.origin() - other, self.size())
+    }
+}
+
 /// NB: The origin is inclusive, while the lower right point is exclusive.
 #[derive(Clone, Copy, Debug, PartialEq, Default)]
 pub struct RectI(pub I32x4);

geometry/src/vector.rs

@@ -200,6 +200,14 @@ impl Sub<Vector2F> for Vector2F {
     }
 }
 
+impl Sub<f32> for Vector2F {
+    type Output = Vector2F;
+    #[inline]
+    fn sub(self, other: f32) -> Vector2F {
+        self - Vector2F::splat(other)
+    }
+}
+
 impl Mul<Vector2F> for Vector2F {
     type Output = Vector2F;
     #[inline]