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utils: use stable memory layout for Point/Size/Rectangle

This commit is contained in:
Victor Brekenfeld 2021-12-16 16:54:05 +01:00
parent 2f683112a7
commit ee5c14e673
1 changed files with 3 additions and 0 deletions
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3
src/utils/geometry.rs
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@ -208,6 +208,7 @@ floating_point_coordinate_impl! {
*/ */
/// A point as defined by its x and y coordinates /// A point as defined by its x and y coordinates
#[repr(C)]
pub struct Point<N, Kind> { pub struct Point<N, Kind> {
/// horizontal coordinate /// horizontal coordinate
pub x: N, pub x: N,
@ -471,6 +472,7 @@ impl<N: Default, Kind> Default for Point<N, Kind> {
/// Constructors of this type ensure that the values are always positive via /// Constructors of this type ensure that the values are always positive via
/// `debug_assert!()`, however manually changing the values of the fields /// `debug_assert!()`, however manually changing the values of the fields
/// can break this invariant. /// can break this invariant.
#[repr(C)]
pub struct Size<N, Kind> { pub struct Size<N, Kind> {
/// horizontal coordinate /// horizontal coordinate
pub w: N, pub w: N,
@ -731,6 +733,7 @@ impl<N: Sub<Output = N>, Kind> Sub<Size<N, Kind>> for Point<N, Kind> {
} }
/// A rectangle defined by its top-left corner and dimensions /// A rectangle defined by its top-left corner and dimensions
#[repr(C)]
pub struct Rectangle<N, Kind> { pub struct Rectangle<N, Kind> {
/// Location of the top-left corner of the rectangle /// Location of the top-left corner of the rectangle
pub loc: Point<N, Kind>, pub loc: Point<N, Kind>,