Struct Gradient

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pub struct Gradient(/* private fields */);

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impl Gradient

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pub fn add_color_stop_rgb(&self, offset: f64, red: f64, green: f64, blue: f64)

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pub fn add_color_stop_rgba( &self, offset: f64, red: f64, green: f64, blue: f64, alpha: f64, )

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pub fn get_color_stop_count(&self) -> isize

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pub fn get_color_stop_rgba(&self, index: isize) -> (f64, f64, f64, f64, f64)

Methods from Deref<Target = Pattern>§

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pub fn set_user_data<T: 'static>( &self, key: &'static UserDataKey<T>, value: Rc<T>, )

Attach user data to self for the given key.

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pub fn get_user_data<T: 'static>( &self, key: &'static UserDataKey<T>, ) -> Option<Rc<T>>

Return the user data previously attached to self with the given key, if any.

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pub fn get_user_data_ptr<T: 'static>( &self, key: &'static UserDataKey<T>, ) -> Option<NonNull<T>>

Return the user data previously attached to self with the given key, if any, without incrementing the reference count.

The pointer is valid when it is returned from this method, until the cairo object that self represents is destroyed or remove_user_data or set_user_data is called with the same key.

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pub fn remove_user_data<T: 'static>(&self, key: &'static UserDataKey<T>)

Unattach from self the user data associated with key, if any. If there is no other Rc strong reference, the data is destroyed.

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pub fn to_raw_none(&self) -> *mut cairo_pattern_t

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pub fn get_type(&self) -> PatternType

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pub fn ensure_status(&self)

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pub fn status(&self) -> Status

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pub fn get_reference_count(&self) -> isize

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pub fn set_extend(&self, extend: Extend)

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pub fn get_extend(&self) -> Extend

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pub fn set_filter(&self, filter: Filter)

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pub fn get_filter(&self) -> Filter

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pub fn set_matrix(&self, matrix: Matrix)

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pub fn get_matrix(&self) -> Matrix

Trait Implementations§

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impl Clone for Gradient

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fn clone(&self) -> Gradient

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Gradient

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

Formats the value using the given formatter. Read more
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impl Deref for Gradient

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type Target = Pattern

The resulting type after dereferencing.
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fn deref(&self) -> &Pattern

Dereferences the value.
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impl Display for Gradient

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

Formats the value using the given formatter. Read more
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impl TryFrom<Gradient> for LinearGradient

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type Error = Gradient

The type returned in the event of a conversion error.
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fn try_from(pattern: Gradient) -> Result<Self, Gradient>

Performs the conversion.
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impl TryFrom<Gradient> for RadialGradient

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type Error = Gradient

The type returned in the event of a conversion error.
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fn try_from(pattern: Gradient) -> Result<Self, Gradient>

Performs the conversion.
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impl TryFrom<Pattern> for Gradient

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type Error = Pattern

The type returned in the event of a conversion error.
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fn try_from(pattern: Pattern) -> Result<Self, Pattern>

Performs the conversion.

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<P, T> Receiver for P
where P: Deref<Target = T> + ?Sized, T: ?Sized,

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type Target = T

🔬This is a nightly-only experimental API. (arbitrary_self_types)
The target type on which the method may be called.
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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T> ToString for T
where T: Display + ?Sized,

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fn to_string(&self) -> String

Converts the given value to a String. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.