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-rw-r--r--core/src/rectangle.rs47
1 files changed, 31 insertions, 16 deletions
diff --git a/core/src/rectangle.rs b/core/src/rectangle.rs
index c1c2eeac..2ab50137 100644
--- a/core/src/rectangle.rs
+++ b/core/src/rectangle.rs
@@ -16,24 +16,32 @@ pub struct Rectangle<T = f32> {
pub height: T,
}
-impl Rectangle<f32> {
- /// Creates a new [`Rectangle`] with its top-left corner in the given
- /// [`Point`] and with the provided [`Size`].
- pub fn new(top_left: Point, size: Size) -> Self {
+impl<T> Rectangle<T>
+where
+ T: Default,
+{
+ /// Creates a new [`Rectangle`] with its top-left corner at the origin
+ /// and with the provided [`Size`].
+ pub fn with_size(size: Size<T>) -> Self {
Self {
- x: top_left.x,
- y: top_left.y,
+ x: T::default(),
+ y: T::default(),
width: size.width,
height: size.height,
}
}
+}
- /// Creates a new [`Rectangle`] with its top-left corner at the origin
- /// and with the provided [`Size`].
- pub fn with_size(size: Size) -> Self {
+impl Rectangle<f32> {
+ /// A rectangle starting at [`Point::ORIGIN`] with infinite width and height.
+ pub const INFINITE: Self = Self::new(Point::ORIGIN, Size::INFINITY);
+
+ /// Creates a new [`Rectangle`] with its top-left corner in the given
+ /// [`Point`] and with the provided [`Size`].
+ pub const fn new(top_left: Point, size: Size) -> Self {
Self {
- x: 0.0,
- y: 0.0,
+ x: top_left.x,
+ y: top_left.y,
width: size.width,
height: size.height,
}
@@ -139,13 +147,20 @@ impl Rectangle<f32> {
}
/// Snaps the [`Rectangle`] to __unsigned__ integer coordinates.
- pub fn snap(self) -> Rectangle<u32> {
- Rectangle {
+ pub fn snap(self) -> Option<Rectangle<u32>> {
+ let width = self.width as u32;
+ let height = self.height as u32;
+
+ if width < 1 || height < 1 {
+ return None;
+ }
+
+ Some(Rectangle {
x: self.x as u32,
y: self.y as u32,
- width: self.width as u32,
- height: self.height as u32,
- }
+ width,
+ height,
+ })
}
/// Expands the [`Rectangle`] a given amount.