Struct lodepng::Grey

#[repr(C)]
pub struct Grey<ComponentType>(pub ComponentType);

Grayscale. Use .0 or * (deref) to access the value.

Tuple Fields

0: ComponentType

brightness level

Implementations

impl<T> Gray<T>

pub const fn new(brightness: T) -> Gray<T>

New grayscale pixel

Trait Implementations

impl<T> Add<T> for Gray<T>

where T: Copy + Add<Output = T>,

px + 1

type Output = Gray<T>

The resulting type after applying the + operator.

fn add(self, r: T) -> <Gray<T> as Add<T>>::Output

Performs the + operation.

impl<T> Add for Gray<T>

where T: Add,

px + px

type Output = Gray<<T as Add>::Output>

The resulting type after applying the + operator.

fn add(self, other: Gray<T>) -> <Gray<T> as Add>::Output

Performs the + operation.

impl<T> AddAssign<T> for Gray<T>

where T: Copy + Add<Output = T>,

px + 1

fn add_assign(&mut self, r: T)

Performs the += operation.

impl<T> AddAssign for Gray<T>

where T: Add<Output = T> + Copy,

px + px

fn add_assign(&mut self, other: Gray<T>)

Performs the += operation.

impl<T> AsMut<T> for Gray<T>

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

Converts this type into a mutable reference of the (usually inferred) input type.

impl<T> AsPixels<Gray<T>> for [T]

fn as_pixels(&self) -> &[Gray<T>]

Reinterpret the slice as a read-only/shared slice of pixels. Multiple consecutive elements in the slice are intepreted as a single pixel (depending on format, e.g. 3 for RGB, 4 for RGBA).

fn as_pixels_mut(&mut self) -> &mut [Gray<T>]

Reinterpret the slice as a mutable/exclusive slice of pixels. Multiple consecutive elements in the slice are intepreted as a single pixel (depending on format, e.g. 3 for RGB, 4 for RGBA).

impl<T> AsRef<T> for Gray<T>

fn as_ref(&self) -> &T

Converts this type into a shared reference of the (usually inferred) input type.

impl<ComponentType> Clone for Gray<ComponentType>

where ComponentType: Clone,

fn clone(&self) -> Gray<ComponentType>

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<T, B> ColorComponentMap<Gray<B>, T, B> for Gray<T>

where T: Copy,

fn map_c<F>(&self, f: F) -> Gray<B>

where F: FnMut(T) -> B,

Convenience function for applying the same formula to every rgb/gray component, but skipping the alpha component.

impl<T, B> ComponentMap<Gray<B>, T, B> for Gray<T>

where T: Copy,

fn map<F>(&self, f: F) -> Gray<B>

where F: FnMut(T) -> B,

Convenience function (equivalent of self.iter().map().collect()) for applying the same formula to every component.

impl<T> ComponentSlice<T> for Gray<T>

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

The components interpreted as an array, e.g. one RGB expands to 3 elements.

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

The components interpreted as a mutable array, e.g. one RGB expands to 3 elements.

impl<ComponentType> Debug for Gray<ComponentType>

where ComponentType: Debug,

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

Formats the value using the given formatter.

impl<ComponentType> Default for Gray<ComponentType>

where ComponentType: Default,

fn default() -> Gray<ComponentType>

Returns the “default value” for a type.

impl<T> Deref for Gray<T>

type Target = T

The resulting type after dereferencing.

fn deref(&self) -> &T

Dereferences the value.

impl<T> Div<T> for Gray<T>

where T: Copy + Div<Output = T>,

px / 1

type Output = Gray<T>

The resulting type after applying the / operator.

fn div(self, r: T) -> <Gray<T> as Div<T>>::Output

Performs the / operation.

impl<T> DivAssign<T> for Gray<T>

where T: Copy + Div<Output = T>,

px * 1

fn div_assign(&mut self, r: T)

Performs the /= operation.

impl<T> From<Gray<T>> for GrayAlpha<T, u16>

where T: Copy,

Assumes 65535 is opaque

fn from(other: Gray<T>) -> GrayAlpha<T, u16>

Converts to this type from the input type.

impl<T> From<Gray<T>> for GrayAlpha<T, u8>

where T: Copy,

Assumes 255 is opaque

fn from(other: Gray<T>) -> GrayAlpha<T, u8>

Converts to this type from the input type.

impl<T> From<Gray<T>> for RGB<T>

where T: Clone,

fn from(other: Gray<T>) -> RGB<T>

Converts to this type from the input type.

impl<T> From<Gray<T>> for RGBA<T, u8>

where T: Clone,

fn from(other: Gray<T>) -> RGBA<T, u8>

Converts to this type from the input type.

impl<T> From<T> for Gray<T>

where T: Copy,

fn from(component: T) -> Gray<T>

Converts to this type from the input type.

impl<ComponentType> Hash for Gray<ComponentType>

where ComponentType: Hash,

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

where __H: Hasher,

Feeds this value into the given Hasher.

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

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl<T> Mul<T> for Gray<T>

where T: Copy + Mul<Output = T>,

px * 1

type Output = Gray<T>

The resulting type after applying the * operator.

fn mul(self, r: T) -> <Gray<T> as Mul<T>>::Output

Performs the * operation.

impl<T> Mul for Gray<T>

where T: Mul,

px * px

type Output = Gray<<T as Mul>::Output>

The resulting type after applying the * operator.

fn mul(self, other: Gray<T>) -> <Gray<T> as Mul>::Output

Performs the * operation.

impl<T> MulAssign<T> for Gray<T>

where T: Copy + Mul<Output = T>,

px * 1

fn mul_assign(&mut self, r: T)

Performs the *= operation.

impl<T> MulAssign for Gray<T>

where T: Mul<Output = T> + Copy,

px * px

fn mul_assign(&mut self, other: Gray<T>)

Performs the *= operation.

impl<ComponentType> Ord for Gray<ComponentType>

where ComponentType: Ord,

fn cmp(&self, other: &Gray<ComponentType>) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized + PartialOrd,

Restrict a value to a certain interval.

impl<ComponentType> PartialEq for Gray<ComponentType>

where ComponentType: PartialEq,

fn eq(&self, other: &Gray<ComponentType>) -> 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<ComponentType> PartialOrd for Gray<ComponentType>

where ComponentType: PartialOrd,

fn partial_cmp(&self, other: &Gray<ComponentType>) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

This method tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

This method tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl<T> Sub<T> for Gray<T>

where T: Copy + Sub<Output = T>,

px - 1

type Output = Gray<<T as Sub>::Output>

The resulting type after applying the - operator.

fn sub(self, r: T) -> <Gray<T> as Sub<T>>::Output

Performs the - operation.

impl<T> Sub for Gray<T>

where T: Sub,

px - px

type Output = Gray<<T as Sub>::Output>

The resulting type after applying the - operator.

fn sub(self, other: Gray<T>) -> <Gray<T> as Sub>::Output

Performs the - operation.

impl<T> SubAssign<T> for Gray<T>

where T: Copy + Sub<Output = T>,

px - 1

fn sub_assign(&mut self, r: T)

Performs the -= operation.

impl<T> SubAssign for Gray<T>

where T: Sub<Output = T> + Copy,

px - px

fn sub_assign(&mut self, other: Gray<T>)

Performs the -= operation.

impl<T> Sum for Gray<T>

where T: Default + Add<Output = T>,

fn sum<I>(iter: I) -> Gray<T>

where I: Iterator<Item = Gray<T>>,

Method which takes an iterator and generates Self from the elements by “summing up” the items.

impl<T> Zeroable for Gray<T>

where T: Zeroable,

fn zeroed() -> Self

Calls zeroed.

impl<ComponentType> Copy for Gray<ComponentType>

where ComponentType: Copy,

impl<ComponentType> Eq for Gray<ComponentType>

where ComponentType: Eq,

impl<T> Pod for Gray<T>

where T: Pod,

impl<ComponentType> StructuralEq for Gray<ComponentType>

impl<ComponentType> StructuralPartialEq for Gray<ComponentType>