Struct tiny_skia::Color

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pub struct Color { /* private fields */ }
Expand description

An RGBA color value, holding four floating point components.

§Guarantees

  • All values are in 0..=1 range.

Implementations§

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impl Color

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pub const TRANSPARENT: Color = _

A transparent color.

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pub const BLACK: Color = _

A black color.

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pub const WHITE: Color = _

A white color.

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pub fn from_rgba(r: f32, g: f32, b: f32, a: f32) -> Option<Self>

Creates a new color from 4 components.

All values must be in 0..=1 range.

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pub fn from_rgba8(r: u8, g: u8, b: u8, a: u8) -> Self

Creates a new color from 4 components.

u8 will be divided by 255 to get the float component.

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pub fn red(&self) -> f32

Returns color’s red component.

The value is guarantee to be in a 0..=1 range.

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pub fn green(&self) -> f32

Returns color’s green component.

The value is guarantee to be in a 0..=1 range.

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pub fn blue(&self) -> f32

Returns color’s blue component.

The value is guarantee to be in a 0..=1 range.

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pub fn alpha(&self) -> f32

Returns color’s alpha component.

The value is guarantee to be in a 0..=1 range.

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pub fn set_red(&mut self, c: f32)

Sets the red component value.

The new value will be clipped to the 0..=1 range.

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pub fn set_green(&mut self, c: f32)

Sets the green component value.

The new value will be clipped to the 0..=1 range.

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pub fn set_blue(&mut self, c: f32)

Sets the blue component value.

The new value will be clipped to the 0..=1 range.

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pub fn set_alpha(&mut self, c: f32)

Sets the alpha component value.

The new value will be clipped to the 0..=1 range.

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pub fn apply_opacity(&mut self, opacity: f32)

Shifts color’s opacity.

Essentially, multiplies color’s alpha by opacity.

opacity will be clamped to the 0..=1 range first. The final alpha will also be clamped.

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pub fn is_opaque(&self) -> bool

Check that color is opaque.

Alpha == 1.0

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pub fn premultiply(&self) -> PremultipliedColor

Converts into a premultiplied color.

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pub fn to_color_u8(&self) -> ColorU8

Converts into ColorU8.

Trait Implementations§

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impl Clone for Color

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fn clone(&self) -> Color

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 Color

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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 PartialEq for Color

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Copy for Color

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impl StructuralPartialEq for Color

Auto Trait Implementations§

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impl Freeze for Color

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impl RefUnwindSafe for Color

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impl Send for Color

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impl Sync for Color

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impl Unpin for Color

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impl UnwindSafe for Color

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, dst: *mut T)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dst. 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<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, 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.