Struct image::Rgba

#[repr(C)]
pub struct Rgba<T>(pub [T; 4]);

Expand description

RGB colors + alpha channel

Tuple Fields§

§0: [T; 4]

Trait Implementations§

impl<T: Primitive> Blend for Rgba<T>

fn blend(&mut self, other: &Rgba<T>)

Blends a color in-place.

impl<T: Clone> Clone for Rgba<T>

fn clone(&self) -> Rgba<T>

Returns a copy of the value. Read more

1.0.0 · source§

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

Performs copy-assignment from source. Read more

impl<T: Debug> Debug for Rgba<T>

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

Formats the value using the given formatter. Read more

impl<T> From<[T; 4]> for Rgba<T>

fn from(c: [T; 4]) -> Self

Converts to this type from the input type.

impl<S: Primitive, T> FromColor<Luma<S>> for Rgba<T>
where T: FromPrimitive<S> + Primitive,

fn from_color(&mut self, gray: &Luma<S>)

Changes self to represent Other in the color space of Self

impl<S: Primitive, T> FromColor<LumaA<S>> for Rgba<T>
where T: FromPrimitive<S> + Primitive,

fn from_color(&mut self, gray: &LumaA<S>)

Changes self to represent Other in the color space of Self

impl<S: Primitive, T> FromColor<Rgb<S>> for Rgba<T>
where T: FromPrimitive<S> + Primitive,

fn from_color(&mut self, other: &Rgb<S>)

Changes self to represent Other in the color space of Self

impl<S: Primitive + Enlargeable, T> FromColor<Rgba<S>> for Luma<T>
where T: FromPrimitive<S> + Primitive,

fn from_color(&mut self, other: &Rgba<S>)

Changes self to represent Other in the color space of Self

impl<S: Primitive + Enlargeable, T> FromColor<Rgba<S>> for LumaA<T>
where T: FromPrimitive<S> + Primitive,

fn from_color(&mut self, other: &Rgba<S>)

Changes self to represent Other in the color space of Self

impl<S: Primitive, T> FromColor<Rgba<S>> for Rgb<T>
where T: FromPrimitive<S> + Primitive,

fn from_color(&mut self, other: &Rgba<S>)

Changes self to represent Other in the color space of Self

impl<S: Primitive, T> FromColor<Rgba<S>> for Rgba<T>
where T: FromPrimitive<S> + Primitive,

fn from_color(&mut self, other: &Rgba<S>)

Changes self to represent Other in the color space of Self

impl<T: Hash> Hash for Rgba<T>

fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher. Read more

1.3.0 · source§

fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more

impl<T> Index<usize> for Rgba<T>

type Output = T

The returned type after indexing.

fn index(&self, _index: usize) -> &T

Performs the indexing (container[index]) operation. Read more

impl<T> IndexMut<usize> for Rgba<T>

fn index_mut(&mut self, _index: usize) -> &mut T

Performs the mutable indexing (container[index]) operation. Read more

impl<T: Primitive> Invert for Rgba<T>

fn invert(&mut self)

Inverts a color in-place.

impl<T: PartialEq> PartialEq for Rgba<T>

fn eq(&self, other: &Rgba<T>) -> bool

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

1.0.0 · source§

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<T: Primitive + Enlargeable> Pixel for Rgba<T>

type Subpixel = T

The scalar type that is used to store each channel in this pixel.

const CHANNEL_COUNT: u8 = 4u8

The number of channels of this pixel type.

fn channels(&self) -> &[T]

Returns the components as a slice.

fn channels_mut(&mut self) -> &mut [T]

Returns the components as a mutable slice

const COLOR_MODEL: &'static str = "RGBA"

A string that can help to interpret the meaning each channel See gimp babl.

fn channels4(&self) -> (T, T, T, T)

👎Deprecated since 0.24.0: Use channels() or channels_mut()

Returns the channels of this pixel as a 4 tuple. If the pixel has less than 4 channels the remainder is filled with the maximum value

fn from_channels(a: T, b: T, c: T, d: T) -> Rgba<T>

👎Deprecated since 0.24.0: Use the constructor of the pixel, for example Rgba([r,g,b,a]) or Pixel::from_slice

Construct a pixel from the 4 channels a, b, c and d. If the pixel does not contain 4 channels the extra are ignored.

fn from_slice(slice: &[T]) -> &Rgba<T>

Returns a view into a slice. Read more

fn from_slice_mut(slice: &mut [T]) -> &mut Rgba<T>

Returns mutable view into a mutable slice. Read more

fn to_rgb(&self) -> Rgb<T>

Convert this pixel to RGB

fn to_rgba(&self) -> Rgba<T>

Convert this pixel to RGB with an alpha channel

fn to_luma(&self) -> Luma<T>

Convert this pixel to luma

fn to_luma_alpha(&self) -> LumaA<T>

Convert this pixel to luma with an alpha channel

fn map<F>(&self, f: F) -> Rgba<T>
where F: FnMut(T) -> T,

Apply the function f to each channel of this pixel.

fn apply<F>(&mut self, f: F)
where F: FnMut(T) -> T,

Apply the function f to each channel of this pixel.

fn map_with_alpha<F, G>(&self, f: F, g: G) -> Rgba<T>
where F: FnMut(T) -> T, G: FnMut(T) -> T,

Apply the function f to each channel except the alpha channel. Apply the function g to the alpha channel.

fn apply_with_alpha<F, G>(&mut self, f: F, g: G)
where F: FnMut(T) -> T, G: FnMut(T) -> T,

Apply the function f to each channel except the alpha channel. Apply the function g to the alpha channel. Works in-place.

fn map2<F>(&self, other: &Self, f: F) -> Rgba<T>
where F: FnMut(T, T) -> T,

Apply the function f to each channel of this pixel and other pairwise.

fn apply2<F>(&mut self, other: &Rgba<T>, f: F)
where F: FnMut(T, T) -> T,

Apply the function f to each channel of this pixel and other pairwise. Works in-place.

fn invert(&mut self)

Invert this pixel

fn blend(&mut self, other: &Rgba<T>)

Blend the color of a given pixel into ourself, taking into account alpha channels

fn map_without_alpha<F>(&self, f: F) -> Self
where F: FnMut(Self::Subpixel) -> Self::Subpixel,

Apply the function f to each channel except the alpha channel.

fn apply_without_alpha<F>(&mut self, f: F)
where F: FnMut(Self::Subpixel) -> Self::Subpixel,

Apply the function f to each channel except the alpha channel. Works in place.

impl PixelWithColorType for Rgba<f32>

const COLOR_TYPE: ColorType = ColorType::Rgba32F

This pixel has the format of one of the predefined ColorTypes, such as Rgb8, La16 or Rgba32F. This is needed for automatically detecting a color format when saving an image as a file.

impl PixelWithColorType for Rgba<u16>

const COLOR_TYPE: ColorType = ColorType::Rgba16

This pixel has the format of one of the predefined ColorTypes, such as Rgb8, La16 or Rgba32F. This is needed for automatically detecting a color format when saving an image as a file.

impl PixelWithColorType for Rgba<u8>

const COLOR_TYPE: ColorType = ColorType::Rgba8

This pixel has the format of one of the predefined ColorTypes, such as Rgb8, La16 or Rgba32F. This is needed for automatically detecting a color format when saving an image as a file.

impl<T: Copy> Copy for Rgba<T>

impl<T: Eq> Eq for Rgba<T>

impl SealedPixelWithColorType for Rgba<f32>

impl SealedPixelWithColorType for Rgba<u16>

impl SealedPixelWithColorType for Rgba<u8>

impl<T> StructuralPartialEq for Rgba<T>

Auto Trait Implementations§

impl<T> Freeze for Rgba<T>
where T: Freeze,

impl<T> RefUnwindSafe for Rgba<T>
where T: RefUnwindSafe,

impl<T> Send for Rgba<T>
where T: Send,

impl<T> Sync for Rgba<T>
where T: Sync,

impl<T> Unpin for Rgba<T>
where T: Unpin,

impl<T> UnwindSafe for Rgba<T>
where T: UnwindSafe,

Blanket Implementations§

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

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

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

Mutably borrows from an owned value. Read more

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

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

fn into(self) -> U

Calls U::from(self).

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

impl<T> IntoEither for T

fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

impl<T> Pointable for T

const ALIGN: usize = _

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<T> ToOwned for T
where T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.