[−][src]Struct stdweb::web::CanvasGradient
The CanvasGradient struct represents an opaque object describing a gradient. It is returned by the methods CanvasRenderingContext2D.createLinearGradient() or CanvasRenderingContext2D.createRadialGradient().
Methods
impl CanvasGradient
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pub fn add_color_stop(
&self,
offset: f64,
color: &str
) -> Result<(), AddColorStopError>
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&self,
offset: f64,
color: &str
) -> Result<(), AddColorStopError>
Adds a new stop, defined by an offset and a color, to the gradient. If the offset is
not between 0 and 1, an INDEX_SIZE_ERR is returned, if the color can't be parsed as a
CSS
Trait Implementations
impl JsSerialize for CanvasGradient
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impl TryFrom<CanvasGradient> for Reference
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type Error = Void
The type returned in the event of a conversion error.
fn try_from(value: CanvasGradient) -> Result<Self, Self::Error>
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impl TryFrom<Reference> for CanvasGradient
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type Error = ConversionError
The type returned in the event of a conversion error.
fn try_from(reference: Reference) -> Result<Self, Self::Error>
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impl<'_r> TryFrom<&'_r Reference> for CanvasGradient
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type Error = ConversionError
The type returned in the event of a conversion error.
fn try_from(reference: &Reference) -> Result<Self, Self::Error>
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impl TryFrom<Value> for CanvasGradient
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type Error = ConversionError
The type returned in the event of a conversion error.
fn try_from(value: Value) -> Result<Self, Self::Error>
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impl<'_r> TryFrom<&'_r Value> for CanvasGradient
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type Error = ConversionError
The type returned in the event of a conversion error.
fn try_from(value: &Value) -> Result<Self, Self::Error>
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impl InstanceOf for CanvasGradient
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fn instance_of(reference: &Reference) -> bool
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impl ReferenceType for CanvasGradient
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unsafe fn from_reference_unchecked(reference: Reference) -> Self
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impl From<CanvasGradient> for Reference
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fn from(value: CanvasGradient) -> Self
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impl Eq for CanvasGradient
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impl AsRef<Reference> for CanvasGradient
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impl PartialEq<CanvasGradient> for CanvasGradient
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fn eq(&self, other: &CanvasGradient) -> bool
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fn ne(&self, other: &CanvasGradient) -> bool
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impl Clone for CanvasGradient
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fn clone(&self) -> CanvasGradient
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fn clone_from(&mut self, source: &Self)
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Performs copy-assignment from source
. Read more
impl Debug for CanvasGradient
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Auto Trait Implementations
impl Send for CanvasGradient
impl Sync for CanvasGradient
Blanket Implementations
impl<T, U> Into for T where
U: From<T>,
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U: From<T>,
impl<T> From for T
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impl<T> ToOwned for T where
T: Clone,
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T: Clone,
impl<T, U> TryFrom for T where
U: Into<T>,
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U: Into<T>,
type Error = !
try_from
)The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T> Borrow for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T, U> TryInto for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
try_from
)The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,