Struct lodepng::Grey

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

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

Implementations

impl<T> Gray<T>

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

New grayscale pixel

Trait Implementations

impl<T> Add<Gray<T>> for Gray<T> where
    T: Add<T>, 

px + px

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

The resulting type after applying the + operator.

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

Performs the + operation.

impl<T> Add<T> for Gray<T> where
    T: Copy + Add<T, Output = T>, 

px + 1

type Output = Gray<T>

The resulting type after applying the + operator.

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

Performs the + operation.

impl<T> AddAssign<Gray<T>> for Gray<T> where
    T: Add<T, Output = T> + Copy, 

px + px

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

Performs the += operation.

impl<T> AddAssign<T> for Gray<T> where
    T: Copy + Add<T, Output = T>, 

px + 1

pub fn add_assign(&mut self, r: T)

Performs the += operation.

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

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

Performs the conversion.

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

pub fn as_ref(&self) -> &T

Performs the conversion.

impl<ComponentType> Clone for Gray<ComponentType> where
    ComponentType: Clone, 

pub 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> ComponentMap<Gray<B>, T, B> for Gray<T> where
    T: Copy, 

pub 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>

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

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

pub 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, 

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

Formats the value using the given formatter.

impl<ComponentType> Default for Gray<ComponentType> where
    ComponentType: Default, 

pub 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.

pub fn deref(&self) -> &T

Dereferences the value.

impl<T> Div<T> for Gray<T> where
    T: Copy + Div<T, Output = T>, 

px / 1

type Output = Gray<T>

The resulting type after applying the / operator.

pub 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<T, Output = T>, 

px * 1

pub fn div_assign(&mut self, r: T)

Performs the /= operation.

impl<T> From<Gray<T>> for GrayAlpha<T, u8> where
    T: Copy, 

Assumes 255 is opaque

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

Performs the conversion.

impl<T> From<Gray<T>> for RGB<T> where
    T: Clone, 

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

Performs the conversion.

impl<T> From<Gray<T>> for GrayAlpha<T, u16> where
    T: Copy, 

Assumes 65535 is opaque

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

Performs the conversion.

impl<T> From<T> for Gray<T> where
    T: Copy, 

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

Performs the conversion.

impl<ComponentType> Hash for Gray<ComponentType> where
    ComponentType: Hash, 

pub 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, 

Feeds a slice of this type into the given Hasher.

impl<T> Mul<T> for Gray<T> where
    T: Copy + Mul<T, Output = T>, 

px * 1

type Output = Gray<T>

The resulting type after applying the * operator.

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

Performs the * operation.

impl<T> MulAssign<T> for Gray<T> where
    T: Copy + Mul<T, Output = T>, 

px * 1

pub fn mul_assign(&mut self, r: T)

Performs the *= operation.

impl<ComponentType> Ord for Gray<ComponentType> where
    ComponentType: Ord, 

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

This method returns an Ordering between self and other.

#[must_use]

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

Compares and returns the maximum of two values.

#[must_use]

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

Compares and returns the minimum of two values.

#[must_use]

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

Restrict a value to a certain interval.

impl<ComponentType> PartialEq<Gray<ComponentType>> for Gray<ComponentType> where
    ComponentType: PartialEq<ComponentType>, 

pub fn eq(&self, other: &Gray<ComponentType>) -> bool

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

pub fn ne(&self, other: &Gray<ComponentType>) -> bool

This method tests for !=.

impl<ComponentType> PartialOrd<Gray<ComponentType>> for Gray<ComponentType> where
    ComponentType: PartialOrd<ComponentType>, 

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

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

#[must_use]

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

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

#[must_use]

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

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

#[must_use]

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

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

#[must_use]

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<Gray<T>> for Gray<T> where
    T: Sub<T>, 

px - px

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

The resulting type after applying the - operator.

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

Performs the - operation.

impl<T> Sub<T> for Gray<T> where
    T: Copy + Sub<T, Output = T>, 

px - 1

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

The resulting type after applying the - operator.

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

Performs the - operation.

impl<T> SubAssign<Gray<T>> for Gray<T> where
    T: Sub<T, Output = T> + Copy, 

px - px

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

Performs the -= operation.

impl<T> SubAssign<T> for Gray<T> where
    T: Copy + Sub<T, Output = T>, 

px - 1

pub fn sub_assign(&mut self, r: T)

Performs the -= operation.

impl<T> Sum<Gray<T>> for Gray<T> where
    T: Default + Add<T, Output = T>, 

pub 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>