diff options
Diffstat (limited to 'core/src/padding.rs')
| -rw-r--r-- | core/src/padding.rs | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/core/src/padding.rs b/core/src/padding.rs index 22467d6b..140ad8ee 100644 --- a/core/src/padding.rs +++ b/core/src/padding.rs @@ -1,3 +1,5 @@ +use crate::Size; + /// An amount of space to pad for each side of a box /// /// You can leverage the `From` trait to build [`Padding`] conveniently: @@ -71,9 +73,21 @@ impl Padding { pub fn horizontal(self) -> u16 { self.left + self.right } + + /// Fits the [`Padding`] between the provided `inner` and `outer` [`Size`]. + pub fn fit(self, inner: Size, outer: Size) -> Self { + let available = (outer - inner).max(Size::ZERO); + + Padding { + top: self.top.min((available.height as u16) / 2), + right: self.right.min((available.width as u16) / 2), + bottom: self.bottom.min((available.height as u16) / 2), + left: self.left.min((available.width as u16) / 2), + } + } } -impl std::convert::From<u16> for Padding { +impl From<u16> for Padding { fn from(p: u16) -> Self { Padding { top: p, @@ -84,7 +98,7 @@ impl std::convert::From<u16> for Padding { } } -impl std::convert::From<[u16; 2]> for Padding { +impl From<[u16; 2]> for Padding { fn from(p: [u16; 2]) -> Self { Padding { top: p[0], @@ -95,7 +109,7 @@ impl std::convert::From<[u16; 2]> for Padding { } } -impl std::convert::From<[u16; 4]> for Padding { +impl From<[u16; 4]> for Padding { fn from(p: [u16; 4]) -> Self { Padding { top: p[0], |