Struct LineInfo 

pub struct LineInfo {

    pub para: usize,
    pub start: usize,
    pub end: usize,
    pub top: f64,
    pub baseline: f64,
    pub bottom: f64,
    pub caret_x: Vec<f64>,
    pub column: usize,
    pub rtl: bool,
    pub levels: Vec<u8>,
    pub edges: Vec<(f64, f64)>,
    pub boundary: Vec<bool>,
    pub extent: (f64, f64),
    pub start_offset: f64,
}

Fields

para: usize

start: usize

Character range [start, end) in the paragraph (end excludes the line’s break/newline).

end: usize

top: f64

baseline: f64

bottom: f64

caret_x: Vec<f64>

Caret x for each character boundary start..=end (len = end - start + 1), downstream: the leading edge of the character after the boundary (its right edge if it is right-to-left); the last entry is the trailing edge of the line’s last character.

column: usize

Column index (multi-column bodies).

rtl: bool

Right-to-left paragraph.

levels: Vec<u8>

Bidi level of each character start..end after rule L1 (odd = right-to-left).

edges: Vec<(f64, f64)>

Visual box (left, right) of each character start..end. Characters inside a grapheme have empty boxes; a ligature’s characters share its width (GDEF ligature carets).

boundary: Vec<bool>

Whether a caret may stand before each character start..end (grapheme boundaries).

extent: (f64, f64)

Visual extent (left, right) of the line’s text.

start_offset: f64

Distance from the paragraph’s start edge to the line’s text (indent, margin, bullet).

Implementations

impl LineInfo

pub fn spans(&self, from: usize, to: usize) -> Vec<(f64, f64)>

Visual x intervals covering paragraph characters from..to on this line, left to right and merged where they touch. Bidi text can make a logical range several boxes.

pub fn span(&self, from: usize, to: usize) -> Option<(f64, f64)>

Horizontal extent of paragraph characters from..to on this line.

Trait Implementations

impl Clone for LineInfo

fn clone(&self) -> Self

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for LineInfo

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

Formats the value using the given formatter.

impl Default for LineInfo

fn default() -> Self

Returns the “default value” for a type.