Struct pix::Gray

#[repr(C)]
pub struct Gray<C: Channel> { /* fields omitted */ }

Linear grayscale pixel format.

There is a single gray channel with linear intensity.

Methods

impl<C: Channel> Gray<C>

pub fn new<V>(value: V) -> Self where
    C: From<V>, 

Build a gray value.

pub fn value(self) -> C

Get the component value.

Trait Implementations

impl<C: Channel> PixFmt for Gray<C>

fn mask_over_fallback(dst: &mut [Self], mask: &[u8], src: Self)

Blend pixels with an alpha mask (slow fallback).

• dst Destination pixels.
• mask Alpha mask for compositing.
• src Source color.

fn mask_over(dst: &mut [Self], mask: &[u8], src: Self)

Blend pixels with an alpha mask.

fn as_u8_slice(pix: &[Self]) -> &[u8]

Convert a pixel slice into a u8 slice.

fn as_u8_slice_mut(pix: &mut [Self]) -> &mut [u8]

Convert a pixel slice into a mutable u8 slice.

fn as_slice(pix: &[u8]) -> &[Self]

Convert a u8 slice into a pixel slice.

fn as_slice_mut(pix: &mut [u8]) -> &mut [Self]

Convert a u8 slice into a mutable pixel slice.

impl<C: Channel, H: Channel> From<Rgb<H>> for Gray<C> where
    C: From<H>, 

fn from(rgb: Rgb<H>) -> Self

Get a gray from an rgb

impl<C: Channel, H: Channel> From<Gray<H>> for Rgb<C> where
    C: From<H>, 

fn from(c: Gray<H>) -> Self

Get an Rgb from a Gray

impl<C: Copy + Channel> Copy for Gray<C>

impl<C: Clone + Channel> Clone for Gray<C>

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

Returns a copy of the value.

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

Performs copy-assignment from source.

impl<C: PartialEq + Channel> PartialEq<Gray<C>> for Gray<C>

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

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

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

This method tests for !=.

impl<C: Default + Channel> Default for Gray<C>

fn default() -> Gray<C>

Returns the "default value" for a type.

impl<C: Debug + Channel> Debug for Gray<C>

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

Formats the value using the given formatter.