Type Alias style::values::specified::image::Gradient

pub type Gradient = Gradient<LineDirection, LengthPercentage, NonNegativeLength, NonNegativeLengthPercentage, Position, Angle, AngleOrPercentage, Color>;

Specified values for a CSS gradient. https://drafts.csswg.org/css-images/#gradients

Aliased Type

enum Gradient {
    Linear {
        direction: LineDirection,
        color_interpolation_method: ColorInterpolationMethod,
        items: OwnedSlice<GenericGradientItem<Color, LengthPercentage>>,
        flags: GradientFlags,
        compat_mode: GradientCompatMode,
    },
    Radial {
        shape: GenericEndingShape<NonNegative<Length>, NonNegative<LengthPercentage>>,
        position: GenericPosition<PositionComponent<HorizontalPositionKeyword>, PositionComponent<VerticalPositionKeyword>>,
        color_interpolation_method: ColorInterpolationMethod,
        items: OwnedSlice<GenericGradientItem<Color, LengthPercentage>>,
        flags: GradientFlags,
        compat_mode: GradientCompatMode,
    },
    Conic {
        angle: Angle,
        position: GenericPosition<PositionComponent<HorizontalPositionKeyword>, PositionComponent<VerticalPositionKeyword>>,
        color_interpolation_method: ColorInterpolationMethod,
        items: OwnedSlice<GenericGradientItem<Color, AngleOrPercentage>>,
        flags: GradientFlags,
    },
}

Variants

Linear

Fields

direction: LineDirection

Line direction

color_interpolation_method: ColorInterpolationMethod

Method to use for color interpolation.

items: OwnedSlice<GenericGradientItem<Color, LengthPercentage>>

The color stops and interpolation hints.

flags: GradientFlags

State flags for the gradient.

compat_mode: GradientCompatMode

Compatibility mode.

A linear gradient.

Radial

Fields

shape: GenericEndingShape<NonNegative<Length>, NonNegative<LengthPercentage>>

Shape of gradient

position: GenericPosition<PositionComponent<HorizontalPositionKeyword>, PositionComponent<VerticalPositionKeyword>>

Center of gradient

color_interpolation_method: ColorInterpolationMethod

Method to use for color interpolation.

items: OwnedSlice<GenericGradientItem<Color, LengthPercentage>>

The color stops and interpolation hints.

flags: GradientFlags

State flags for the gradient.

compat_mode: GradientCompatMode

Compatibility mode.

A radial gradient.

Conic

Fields

angle: Angle

Start angle of gradient

position: GenericPosition<PositionComponent<HorizontalPositionKeyword>, PositionComponent<VerticalPositionKeyword>>

Center of gradient

color_interpolation_method: ColorInterpolationMethod

Method to use for color interpolation.

items: OwnedSlice<GenericGradientItem<Color, AngleOrPercentage>>

The color stops and interpolation hints.

flags: GradientFlags

State flags for the gradient.

A conic gradient.

Implementations

impl Gradient

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

fn parse_webkit_gradient_stops<'i, 't>( context: &ParserContext<'_>, input: &mut Parser<'i, 't>, reverse_stops: bool ) -> Result<OwnedSlice<GradientItem<Color, LengthPercentage>>, ParseError<'i>>

fn parse_stops<'i, 't>( context: &ParserContext<'_>, input: &mut Parser<'i, 't> ) -> Result<OwnedSlice<GradientItem<Color, LengthPercentage>>, ParseError<'i>>

Not used for -webkit-gradient syntax and conic-gradient

fn try_parse_color_interpolation_method<'i, 't>( context: &ParserContext<'_>, input: &mut Parser<'i, 't> ) -> Option<ColorInterpolationMethod>

Try to parse a color interpolation method.

fn parse_linear<'i, 't>( context: &ParserContext<'_>, input: &mut Parser<'i, 't>, repeating: bool, compat_mode: GradientCompatMode ) -> Result<Self, ParseError<'i>>

Parses a linear gradient. GradientCompatMode can change during -moz- prefixed gradient parsing if it come across a to keyword.

fn parse_radial<'i, 't>( context: &ParserContext<'_>, input: &mut Parser<'i, 't>, repeating: bool, compat_mode: GradientCompatMode ) -> Result<Self, ParseError<'i>>

Parses a radial gradient.

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

Parse a conic gradient.

Trait Implementations

impl<LineDirection: Clone, LengthPercentage: Clone, NonNegativeLength: Clone, NonNegativeLengthPercentage: Clone, Position: Clone, Angle: Clone, AngleOrPercentage: Clone, Color: Clone> Clone for GenericGradient<LineDirection, LengthPercentage, NonNegativeLength, NonNegativeLengthPercentage, Position, Angle, AngleOrPercentage, Color>

fn clone( &self ) -> GenericGradient<LineDirection, LengthPercentage, NonNegativeLength, NonNegativeLengthPercentage, Position, Angle, AngleOrPercentage, Color>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<LineDirection: Debug, LengthPercentage: Debug, NonNegativeLength: Debug, NonNegativeLengthPercentage: Debug, Position: Debug, Angle: Debug, AngleOrPercentage: Debug, Color: Debug> Debug for GenericGradient<LineDirection, LengthPercentage, NonNegativeLength, NonNegativeLengthPercentage, Position, Angle, AngleOrPercentage, Color>

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

Formats the value using the given formatter.

impl<LineDirection, LengthPercentage, NonNegativeLength, NonNegativeLengthPercentage, Position, Angle, AngleOrPercentage, Color> MallocSizeOf for GenericGradient<LineDirection, LengthPercentage, NonNegativeLength, NonNegativeLengthPercentage, Position, Angle, AngleOrPercentage, Color>where LineDirection: MallocSizeOf, LengthPercentage: MallocSizeOf, NonNegativeLength: MallocSizeOf, NonNegativeLengthPercentage: MallocSizeOf, Position: MallocSizeOf, Angle: MallocSizeOf, AngleOrPercentage: MallocSizeOf, Color: 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 Parse for Gradient

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

Parse a value of this type.

impl<LineDirection: PartialEq, LengthPercentage: PartialEq, NonNegativeLength: PartialEq, NonNegativeLengthPercentage: PartialEq, Position: PartialEq, Angle: PartialEq, AngleOrPercentage: PartialEq, Color: PartialEq> PartialEq<GenericGradient<LineDirection, LengthPercentage, NonNegativeLength, NonNegativeLengthPercentage, Position, Angle, AngleOrPercentage, Color>> for GenericGradient<LineDirection, LengthPercentage, NonNegativeLength, NonNegativeLengthPercentage, Position, Angle, AngleOrPercentage, Color>

fn eq( &self, other: &GenericGradient<LineDirection, LengthPercentage, NonNegativeLength, NonNegativeLengthPercentage, Position, Angle, AngleOrPercentage, Color> ) -> 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 SpecifiedValueInfo for Gradient

const SUPPORTED_TYPES: u8 = 2u8

Supported CssTypes by the given value type.

fn collect_completion_keywords(f: KeywordsCollectFn<'_>)

Collect value starting words for the given specified value type. This includes keyword and function names which can appear at the beginning of a value of this type.

impl<LineDirection, LengthPercentage, NonNegativeLength, NonNegativeLengthPercentage, Position, Angle, AngleOrPercentage, Color> ToComputedValue for GenericGradient<LineDirection, LengthPercentage, NonNegativeLength, NonNegativeLengthPercentage, Position, Angle, AngleOrPercentage, Color>where LineDirection: ToComputedValue, LengthPercentage: ToComputedValue, NonNegativeLength: ToComputedValue, NonNegativeLengthPercentage: ToComputedValue, Position: ToComputedValue, Angle: ToComputedValue, AngleOrPercentage: ToComputedValue, Color: ToComputedValue,

type ComputedValue = GenericGradient<<LineDirection as ToComputedValue>::ComputedValue, <LengthPercentage as ToComputedValue>::ComputedValue, <NonNegativeLength as ToComputedValue>::ComputedValue, <NonNegativeLengthPercentage as ToComputedValue>::ComputedValue, <Position as ToComputedValue>::ComputedValue, <Angle as ToComputedValue>::ComputedValue, <AngleOrPercentage as ToComputedValue>::ComputedValue, <Color as ToComputedValue>::ComputedValue>

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

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

Convert a computed value to specified value form.

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.

impl<D, LP, NL, NLP, P, A, AoP, C> ToCss for Gradient<D, LP, NL, NLP, P, A, AoP, C>where D: LineDirection, LP: ToCss, NL: ToCss, NLP: ToCss, P: PositionComponent + ToCss, A: ToCss + Zero, AoP: ToCss, C: ToCss,

fn to_css<W>(&self, dest: &mut CssWriter<'_, W>) -> Resultwhere 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<LineDirection, LengthPercentage, NonNegativeLength, NonNegativeLengthPercentage, Position, Angle, AngleOrPercentage, Color> ToResolvedValue for GenericGradient<LineDirection, LengthPercentage, NonNegativeLength, NonNegativeLengthPercentage, Position, Angle, AngleOrPercentage, Color>where LineDirection: ToResolvedValue, LengthPercentage: ToResolvedValue, NonNegativeLength: ToResolvedValue, NonNegativeLengthPercentage: ToResolvedValue, Position: ToResolvedValue, Angle: ToResolvedValue, AngleOrPercentage: ToResolvedValue, Color: ToResolvedValue,

type ResolvedValue = GenericGradient<<LineDirection as ToResolvedValue>::ResolvedValue, <LengthPercentage as ToResolvedValue>::ResolvedValue, <NonNegativeLength as ToResolvedValue>::ResolvedValue, <NonNegativeLengthPercentage as ToResolvedValue>::ResolvedValue, <Position as ToResolvedValue>::ResolvedValue, <Angle as ToResolvedValue>::ResolvedValue, <AngleOrPercentage as ToResolvedValue>::ResolvedValue, <Color as ToResolvedValue>::ResolvedValue>

The resolved value type we’re going to be converted to.

fn from_resolved_value(from: Self::ResolvedValue) -> Self

Convert a resolved value to resolved value form.

fn to_resolved_value(self, context: &Context<'_>) -> Self::ResolvedValue

Convert a resolved value to a resolved value.

impl<LineDirection, LengthPercentage, NonNegativeLength, NonNegativeLengthPercentage, Position, Angle, AngleOrPercentage, Color> ToShmem for GenericGradient<LineDirection, LengthPercentage, NonNegativeLength, NonNegativeLengthPercentage, Position, Angle, AngleOrPercentage, Color>where LineDirection: ToShmem, LengthPercentage: ToShmem, NonNegativeLength: ToShmem, NonNegativeLengthPercentage: ToShmem, Position: ToShmem, Angle: ToShmem, AngleOrPercentage: ToShmem, Color: ToShmem,

fn to_shmem(&self, builder: &mut SharedMemoryBuilder) -> Result<Self>

Clones this value into a form suitable for writing into a SharedMemoryBuilder.

impl<LineDirection, LengthPercentage, NonNegativeLength, NonNegativeLengthPercentage, Position, Angle, AngleOrPercentage, Color> StructuralPartialEq for GenericGradient<LineDirection, LengthPercentage, NonNegativeLength, NonNegativeLengthPercentage, Position, Angle, AngleOrPercentage, Color>