Enum lightningcss::values::length::LengthValue

pub enum LengthValue {
    Px(CSSNumber),
    In(CSSNumber),
    Cm(CSSNumber),
    Mm(CSSNumber),
    Q(CSSNumber),
    Pt(CSSNumber),
    Pc(CSSNumber),
    Em(CSSNumber),
    Rem(CSSNumber),
    Ex(CSSNumber),
    Rex(CSSNumber),
    Ch(CSSNumber),
    Rch(CSSNumber),
    Cap(CSSNumber),
    Rcap(CSSNumber),
    Ic(CSSNumber),
    Ric(CSSNumber),
    Lh(CSSNumber),
    Rlh(CSSNumber),
    Vw(CSSNumber),
    Lvw(CSSNumber),
    Svw(CSSNumber),
    Dvw(CSSNumber),
    Cqw(CSSNumber),
    Vh(CSSNumber),
    Lvh(CSSNumber),
    Svh(CSSNumber),
    Dvh(CSSNumber),
    Cqh(CSSNumber),
    Vi(CSSNumber),
    Svi(CSSNumber),
    Lvi(CSSNumber),
    Dvi(CSSNumber),
    Cqi(CSSNumber),
    Vb(CSSNumber),
    Svb(CSSNumber),
    Lvb(CSSNumber),
    Dvb(CSSNumber),
    Cqb(CSSNumber),
    Vmin(CSSNumber),
    Svmin(CSSNumber),
    Lvmin(CSSNumber),
    Dvmin(CSSNumber),
    Cqmin(CSSNumber),
    Vmax(CSSNumber),
    Svmax(CSSNumber),
    Lvmax(CSSNumber),
    Dvmax(CSSNumber),
    Cqmax(CSSNumber),
}

A CSS <length> value, without support for calc(). See also: Length.

Variants

Px(CSSNumber)

A length in pixels.

In(CSSNumber)

A length in inches. 1in = 96px.

Cm(CSSNumber)

A length in centimeters. 1cm = 96px / 2.54.

Mm(CSSNumber)

A length in millimeters. 1mm = 1/10th of 1cm.

Q(CSSNumber)

A length in quarter-millimeters. 1Q = 1/40th of 1cm.

Pt(CSSNumber)

A length in points. 1pt = 1/72nd of 1in.

Pc(CSSNumber)

A length in picas. 1pc = 1/6th of 1in.

Em(CSSNumber)

A length in the em unit. An em is equal to the computed value of the font-size property of the element on which it is used.

Rem(CSSNumber)

A length in the rem unit. A rem is equal to the computed value of the em unit on the root element.

Ex(CSSNumber)

A length in ex unit. An ex is equal to the x-height of the font.

Rex(CSSNumber)

A length in the rex unit. A rex is equal to the value of the ex unit on the root element.

Ch(CSSNumber)

A length in the ch unit. A ch is equal to the width of the zero (“0”) character in the current font.

Rch(CSSNumber)

A length in the rch unit. An rch is equal to the value of the ch unit on the root element.

Cap(CSSNumber)

A length in the cap unit. A cap is equal to the cap-height of the font.

Rcap(CSSNumber)

A length in the rcap unit. An rcap is equal to the value of the cap unit on the root element.

Ic(CSSNumber)

A length in the ic unit. An ic is equal to the width of the “水” (CJK water ideograph) character in the current font.

Ric(CSSNumber)

A length in the ric unit. An ric is equal to the value of the ic unit on the root element.

Lh(CSSNumber)

A length in the lh unit. An lh is equal to the computed value of the line-height property.

Rlh(CSSNumber)

A length in the rlh unit. An rlh is equal to the value of the lh unit on the root element.

Vw(CSSNumber)

A length in the vw unit. A vw is equal to 1% of the viewport width.

Lvw(CSSNumber)

A length in the lvw unit. An lvw is equal to 1% of the large viewport width.

Svw(CSSNumber)

A length in the svw unit. An svw is equal to 1% of the small viewport width.

Dvw(CSSNumber)

A length in the dvw unit. An dvw is equal to 1% of the dynamic viewport width.

Cqw(CSSNumber)

A length in the cqw unit. An cqw is equal to 1% of the query container width.

Vh(CSSNumber)

A length in the vh unit. A vh is equal to 1% of the viewport height.

Lvh(CSSNumber)

A length in the lvh unit. An lvh is equal to 1% of the large viewport height.

Svh(CSSNumber)

A length in the svh unit. An svh is equal to 1% of the small viewport height.

Dvh(CSSNumber)

A length in the dvh unit. An dvh is equal to 1% of the dynamic viewport height.

Cqh(CSSNumber)

A length in the cqh unit. An cqh is equal to 1% of the query container height.

Vi(CSSNumber)

A length in the vi unit. A vi is equal to 1% of the viewport size in the box’s inline axis.

Svi(CSSNumber)

A length in the svi unit. A svi is equal to 1% of the small viewport size in the box’s inline axis.

Lvi(CSSNumber)

A length in the lvi unit. A lvi is equal to 1% of the large viewport size in the box’s inline axis.

Dvi(CSSNumber)

A length in the dvi unit. A dvi is equal to 1% of the dynamic viewport size in the box’s inline axis.

Cqi(CSSNumber)

A length in the cqi unit. An cqi is equal to 1% of the query container inline size.

Vb(CSSNumber)

A length in the vb unit. A vb is equal to 1% of the viewport size in the box’s block axis.

Svb(CSSNumber)

A length in the svb unit. A svb is equal to 1% of the small viewport size in the box’s block axis.

Lvb(CSSNumber)

A length in the lvb unit. A lvb is equal to 1% of the large viewport size in the box’s block axis.

Dvb(CSSNumber)

A length in the dvb unit. A dvb is equal to 1% of the dynamic viewport size in the box’s block axis.

Cqb(CSSNumber)

A length in the cqb unit. An cqb is equal to 1% of the query container block size.

Vmin(CSSNumber)

A length in the vmin unit. A vmin is equal to the smaller of vw and vh.

Svmin(CSSNumber)

A length in the svmin unit. An svmin is equal to the smaller of svw and svh.

Lvmin(CSSNumber)

A length in the lvmin unit. An lvmin is equal to the smaller of lvw and lvh.

Dvmin(CSSNumber)

A length in the dvmin unit. A dvmin is equal to the smaller of dvw and dvh.

Cqmin(CSSNumber)

A length in the cqmin unit. An cqmin is equal to the smaller of cqi and cqb.

Vmax(CSSNumber)

A length in the vmax unit. A vmax is equal to the larger of vw and vh.

Svmax(CSSNumber)

A length in the svmax unit. An svmax is equal to the larger of svw and svh.

Lvmax(CSSNumber)

A length in the lvmax unit. An lvmax is equal to the larger of lvw and lvh.

Dvmax(CSSNumber)

A length in the dvmax unit. An dvmax is equal to the larger of dvw and dvh.

Cqmax(CSSNumber)

A length in the cqmax unit. An cqmin is equal to the larger of cqi and cqb.

Implementations

impl LengthValue

pub fn to_unit_value(&self) -> (CSSNumber, &str)

Returns the numeric value and unit string for the length value.

impl LengthValue

pub fn to_px(&self) -> Option<CSSNumber>

Attempts to convert the value to pixels. Returns None if the conversion is not possible.

Trait Implementations

impl Clone for LengthValue

fn clone(&self) -> LengthValue

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for LengthValue

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for LengthValue

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl IsCompatible for LengthValue

fn is_compatible(&self, browsers: Browsers) -> bool

Returns whether the value is compatible with all of the given browser targets.

impl JsonSchema for LengthValue

Available on crate feature jsonschema only.

fn is_referenceable() -> bool

Whether JSON Schemas generated for this type should be re-used where possible using the $ref keyword.

fn json_schema(gen: &mut SchemaGenerator) -> Schema

Generates a JSON Schema for this type.

fn schema_name() -> String

The name of the generated JSON Schema.

fn schema_id() -> Cow<'static, str>

Returns a string that uniquely identifies the schema produced by this type.

impl Map for LengthValue

fn map<F: FnOnce(f32) -> f32>(&self, op: F) -> Self

Returns the result of the operation.

impl Mul<f32> for LengthValue

type Output = LengthValue

The resulting type after applying the * operator.

fn mul(self, other: CSSNumber) -> LengthValue

Performs the * operation.

impl<'i> Parse<'i> for LengthValue

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

Parse a value of this type using an existing parser.

fn parse_string(input: &'i str) -> Result<Self, ParseError<'i, ParserError<'i>>>

Parse a value from a string.

impl PartialEq<LengthValue> for LengthValue

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

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

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

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd<LengthValue> for LengthValue

fn partial_cmp(&self, other: &LengthValue) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

This method tests less than (for self and other) and is used by the < operator.

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

This method tests less than or equal to (for self and other) and is used by the <= operator.

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

This method tests greater than (for self and other) and is used by the > operator.

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

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl Serialize for LengthValue

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Sign for LengthValue

fn sign(&self) -> f32

Returns the sign of the value.

fn is_sign_positive(&self) -> bool

Returns whether the value is positive.

fn is_sign_negative(&self) -> bool

Returns whether the value is negative.

impl ToCss for LengthValue

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

Serialize self in CSS syntax, writing to dest.

fn to_css_string( &self, options: PrinterOptions<'_> ) -> Result<String, PrinterError>

Serialize self in CSS syntax and return a string.

impl<'i> TryFrom<&Token<'i>> for LengthValue

type Error = ()

The type returned in the event of a conversion error.

fn try_from(token: &Token<'_>) -> Result<Self, Self::Error>

Performs the conversion.

impl TryFrom<Angle> for LengthValue

type Error = ()

The type returned in the event of a conversion error.

fn try_from(_: Angle) -> Result<Self, Self::Error>

Performs the conversion.

impl TryOp for LengthValue

fn try_op<F: FnOnce(f32, f32) -> f32>(&self, rhs: &Self, op: F) -> Option<Self>

Returns the result of the operation in the same type, if possible.

fn try_op_to<T, F: FnOnce(f32, f32) -> T>(&self, rhs: &Self, op: F) -> Option<T>

Returns the result of the operation in a different type, if possible.

impl<'i, __T: Visit<'i, __T, __V>, __V: ?Sized + Visitor<'i, __T>> Visit<'i, __T, __V> for LengthValue

const CHILD_TYPES: VisitTypes = _

Available on crate feature visitor only.

The types of values contained within this value and its children. This is used to skip branches that don’t have any values requested by the Visitor.

fn visit(&mut self, visitor: &mut __V) -> Result<(), __V::Error>

Available on crate feature visitor only.

Visits the value by calling an appropriate method on the Visitor. If no corresponding visitor method exists, then the children are visited.

fn visit_children(&mut self, visitor: &mut __V) -> Result<(), __V::Error>

Available on crate feature visitor only.

Visit the children of this value.

impl Zero for LengthValue

fn zero() -> Self

Returns the zero value.

fn is_zero(&self) -> bool

Returns whether the value is zero.

impl StructuralPartialEq for LengthValue