Struct style::values::generics::FontSettingTag

pub struct FontSettingTag<T> {
    pub tag: u32,
    pub value: T,
}

A settings tag, defined by a four-character tag and a setting value

For font-feature-settings, this is a tag and an integer, for font-variation-settings this is a tag and a float

Fields

tag: u32

A four-character tag, packed into a u32 (one byte per character)

value: T

The value

Trait Implementations

impl<T: Clone> Clone for FontSettingTag<T>

fn clone(&self) -> FontSettingTag<T>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T: Debug> Debug for FontSettingTag<T>

fn fmt(&self, __arg_0: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<T: Eq> Eq for FontSettingTag<T>

impl<T> MallocSizeOf for FontSettingTag<T> where
    T: MallocSizeOf, 

fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize

Measure the heap usage of all descendant heap-allocated structures, but not the space taken up by the value itself.

impl<T: PartialEq> PartialEq for FontSettingTag<T>

fn eq(&self, __arg_0: &FontSettingTag<T>) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, __arg_0: &FontSettingTag<T>) -> bool

This method tests for !=.

impl<T> ToComputedValue for FontSettingTag<T> where
    T: ToComputedValue, 

type ComputedValue = FontSettingTag<<T as ToComputedValue>::ComputedValue>

The computed value type we're going to be converted to.

fn to_computed_value(&self, context: &Context) -> Self::ComputedValue

Convert a specified value to a computed value, using itself and the data inside the Context.

fn from_computed_value(computed: &Self::ComputedValue) -> Self

Convert a computed value to specified value form.

impl<T> OneOrMoreSeparated for FontSettingTag<T>

type S = Comma

Associated type indicating which separator is used.

impl<T: ToCss> ToCss for FontSettingTag<T>

fn to_css<W>(&self, dest: &mut W) -> Result where
    W: Write, 

Serialize self in CSS syntax, writing to dest.

fn to_css_string(&self) -> String

Serialize self in CSS syntax and return a string.

impl<T: Parse> Parse for FontSettingTag<T>

fn parse<'i, 't>(
    context: &ParserContext,
    input: &mut Parser<'i, 't>
) -> Result<Self, ParseError<'i>>

https://www.w3.org/TR/css-fonts-3/#propdef-font-feature-settings https://drafts.csswg.org/css-fonts-4/#low-level-font-variation- settings-control-the-font-variation-settings-property [ on | off | ]