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Address review comments

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Patrick Walton 2015-04-22 16:04:47 -07:00 • committed by Simon Sapin
parent 48299a53cb
commit 4d46d257cd
5 changed files with 82 additions and 38 deletions
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47
components/util/logical_geometry.rs
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@ -47,6 +47,44 @@ impl WritingMode {
pub fn is_sideways_left(&self) -> bool {
self.intersects(FLAG_SIDEWAYS_LEFT)
}
#[inline]
pub fn inline_start_physical_side(&self) -> PhysicalSide {
match (self.is_vertical(), self.is_inline_tb(), self.is_bidi_ltr()) {
(false, _, true) => PhysicalSide::Left,
(false, _, false) => PhysicalSide::Right,
(true, true, _) => PhysicalSide::Top,
(true, false, _) => PhysicalSide::Bottom,
}
}
#[inline]
pub fn inline_end_physical_side(&self) -> PhysicalSide {
match (self.is_vertical(), self.is_inline_tb(), self.is_bidi_ltr()) {
(false, _, true) => PhysicalSide::Right,
(false, _, false) => PhysicalSide::Left,
(true, true, _) => PhysicalSide::Bottom,
(true, false, _) => PhysicalSide::Top,
}
}
#[inline]
pub fn block_start_physical_side(&self) -> PhysicalSide {
match (self.is_vertical(), self.is_vertical_lr()) {
(false, _) => PhysicalSide::Top,
(true, true) => PhysicalSide::Left,
(true, false) => PhysicalSide::Right,
}
}
#[inline]
pub fn block_end_physical_side(&self) -> PhysicalSide {
match (self.is_vertical(), self.is_vertical_lr()) {
(false, _) => PhysicalSide::Bottom,
(true, true) => PhysicalSide::Right,
(true, false) => PhysicalSide::Left,
}
}
}
impl Debug for WritingMode {
@ -965,3 +1003,12 @@ impl<T: Copy + Add<T, Output=T> + Sub<T, Output=T>> Sub<LogicalMargin<T>> for Lo
}
}
}
#[derive(Copy, Clone, PartialEq, Debug)]
pub enum PhysicalSide {
Top,
Right,
Bottom,
Left,
}