Struct BaselineOffset 

pub struct BaselineOffset(pub Option<f64>);

A wrapper that represents the baseline location of a RenderBox.

Tuple Fields

0: Option<f64>

Implementations

impl BaselineOffset

pub const NO_BASELINE: BaselineOffset

A value that indicates that the associated RenderBox does not have any baselines.

BaselineOffset::NO_BASELINE is an identity element in most binary operations involving two BaselineOffsets (such as min_of), for render objects with no baselines typically do not contribute to the baseline offset of their parents.

pub fn offset(self) -> Option<f64>

The distance from the top of the box, or None for no baseline.

pub fn min_of(self, other: BaselineOffset) -> BaselineOffset

Compares this BaselineOffset and other, and returns whichever is closer to the origin.

When both self and other are NO_BASELINE, this method returns NO_BASELINE. When one of them is NO_BASELINE, this method returns the other operand.

Trait Implementations

impl Add<f64> for BaselineOffset

fn add(self, offset: f64) -> BaselineOffset

Returns a new baseline location that is offset pixels further away from the origin than self, or unchanged if self is NO_BASELINE.

type Output = BaselineOffset

The resulting type after applying the + operator.

impl Clone for BaselineOffset

fn clone(&self) -> Self

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Copy for BaselineOffset

impl Debug for BaselineOffset

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl PartialEq for BaselineOffset

fn eq(&self, other: &Self) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl StructuralPartialEq for BaselineOffset