Introduce and use CrossAlign enum for Column and Row

core/src/align.rs

@@ -9,11 +9,34 @@ pub enum Align {
 
     /// Align at the end of the axis.
     End,
+}
+
+/// Alignment on the cross axis of a container.
+#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
+pub enum CrossAlign {
+    /// Align at the start of the axis.
+    Start,
+
+    /// Align at the center of the axis.
+    Center,
+
+    /// Align at the end of the axis.
+    End,
 
     /// Fill the entire axis.
     Fill,
 }
 
+impl From<Align> for CrossAlign {
+    fn from(align: Align) -> Self {
+        match align {
+            Align::Start => Self::Start,
+            Align::Center => Self::Center,
+            Align::End => Self::End,
+        }
+    }
+}
+
 /// The horizontal alignment of some resource.
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 pub enum HorizontalAlignment {

core/src/lib.rs

@@ -29,7 +29,7 @@ mod rectangle;
 mod size;
 mod vector;
 
-pub use align::{Align, HorizontalAlignment, VerticalAlignment};
+pub use align::{Align, CrossAlign, HorizontalAlignment, VerticalAlignment};
 pub use background::Background;
 pub use color::Color;
 pub use font::Font;