Struct FontFeature 

pub struct FontFeature {
    pub feature: String,
    pub value: i32,
}

A feature tag and value that affect the selection of glyphs in a font.

Named constructors for individual OpenType tags (alternative, fractions, …) are deferred until a caller needs them. new, enable, and disable are the constructors Flutter’s painting TextStyle uses.

Fields

feature: String

The tag that identifies the effect of this feature. Must consist of 4 ASCII characters.

value: i32

The value assigned to this feature.

Must be a positive integer. Many features are Boolean values using 1 (on) and 0 (off).

Implementations

impl FontFeature

pub fn new(feature: impl Into<String>, value: i32) -> FontFeature

Creates a FontFeature object, which can be added to a text style to change how the engine selects glyphs when rendering text.

pub fn enable(feature: impl Into<String>) -> FontFeature

Create a FontFeature object that enables the feature with the given tag.

pub fn disable(feature: impl Into<String>) -> FontFeature

Create a FontFeature object that disables the feature with the given tag.

Trait Implementations

impl Clone for FontFeature

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 FontFeature

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

Formats the value using the given formatter.

impl Display for FontFeature

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

Formats the value using the given formatter.

impl Eq for FontFeature

impl Hash for FontFeature

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for FontFeature

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

Equality operator ==.

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

Inequality operator !=.

impl StructuralPartialEq for FontFeature