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use crate::dot::DotString;
use std::borrow::Cow;
/// These specify the 8 row or column major orders for traversing a rectangular array,
/// the first character corresponding to the major order and the second to the minor order.
/// Thus, for “BL”, the major order is from bottom to top, and the minor order is from left to right.
/// This means the bottom row is traversed first, from left to right, then the next row up,
/// from left to right, and so on, until the topmost row is traversed
pub enum PageDirection {
BottomLeft,
BottomRight,
TopLeft,
TopRight,
RightBottom,
RightTop,
LeftBottom,
LeftTop,
}
impl<'a> DotString<'a> for PageDirection {
fn dot_string(&self) -> Cow<'a, str> {
match self {
PageDirection::BottomLeft => "BL".into(),
PageDirection::BottomRight => "BR".into(),
PageDirection::TopLeft => "TL".into(),
PageDirection::TopRight => "TR".into(),
PageDirection::RightBottom => "RB".into(),
PageDirection::RightTop => "RT".into(),
PageDirection::LeftBottom => "LB".into(),
PageDirection::LeftTop => "LT".into(),
}
}
}
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