Struct embedded_graphics::pixelcolor::Gray4

pub struct Gray4(/* private fields */);

4 bit grayscale color.

Implementations

impl Gray4

pub const fn new(luma: u8) -> Gray4

Creates a new grayscale color.

Too large luma values are masked to the valid range by setting the upper bits to 0.

Trait Implementations

impl Clone for Gray4

fn clone(&self) -> Gray4

Returns a copy of the value.

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

Performs copy-assignment from source.

impl ColorMapping for Gray4

const NONE_COLOR: Rgb888 = Rgb888::CSS_STEEL_BLUE

Color used to display None values when EG_FANCY_PANIC is enabled.

fn char_to_color(c: char) -> Self

Converts a char into a color of type C.

fn color_to_char(color: Self) -> char

Converts a color of type C into a char.

impl Debug for Gray4

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

Formats the value using the given formatter.

impl Default for Gray4

fn default() -> Gray4

Returns the “default value” for a type.

impl From<Bgr555> for Gray4

fn from(other: Bgr555) -> Gray4

Converts to this type from the input type.

impl From<Bgr565> for Gray4

fn from(other: Bgr565) -> Gray4

Converts to this type from the input type.

impl From<Bgr666> for Gray4

fn from(other: Bgr666) -> Gray4

Converts to this type from the input type.

impl From<Bgr888> for Gray4

fn from(other: Bgr888) -> Gray4

Converts to this type from the input type.

impl From<BinaryColor> for Gray4

fn from(color: BinaryColor) -> Gray4

Converts to this type from the input type.

impl From<Gray2> for Gray4

fn from(other: Gray2) -> Gray4

Converts to this type from the input type.

impl From<Gray4> for Bgr555

fn from(other: Gray4) -> Bgr555

Converts to this type from the input type.

impl From<Gray4> for Bgr565

fn from(other: Gray4) -> Bgr565

Converts to this type from the input type.

impl From<Gray4> for Bgr666

fn from(other: Gray4) -> Bgr666

Converts to this type from the input type.

impl From<Gray4> for Bgr888

fn from(other: Gray4) -> Bgr888

Converts to this type from the input type.

impl From<Gray4> for BinaryColor

fn from(color: Gray4) -> BinaryColor

Converts to this type from the input type.

impl From<Gray4> for Gray2

fn from(other: Gray4) -> Gray2

Converts to this type from the input type.

impl From<Gray4> for Gray8

fn from(other: Gray4) -> Gray8

Converts to this type from the input type.

impl From<Gray4> for RawU4

fn from(color: Gray4) -> RawU4

Converts to this type from the input type.

impl From<Gray4> for Rgb555

fn from(other: Gray4) -> Rgb555

Converts to this type from the input type.

impl From<Gray4> for Rgb565

fn from(other: Gray4) -> Rgb565

Converts to this type from the input type.

impl From<Gray4> for Rgb666

fn from(other: Gray4) -> Rgb666

Converts to this type from the input type.

impl From<Gray4> for Rgb888

fn from(other: Gray4) -> Rgb888

Converts to this type from the input type.

impl From<Gray8> for Gray4

fn from(other: Gray8) -> Gray4

Converts to this type from the input type.

impl From<RawU4> for Gray4

fn from(data: RawU4) -> Gray4

Converts to this type from the input type.

impl From<Rgb555> for Gray4

fn from(other: Rgb555) -> Gray4

Converts to this type from the input type.

impl From<Rgb565> for Gray4

fn from(other: Rgb565) -> Gray4

Converts to this type from the input type.

impl From<Rgb666> for Gray4

fn from(other: Rgb666) -> Gray4

Converts to this type from the input type.

impl From<Rgb888> for Gray4

fn from(other: Rgb888) -> Gray4

Converts to this type from the input type.

impl GrayColor for Gray4

fn luma(&self) -> u8

Returns the luma channel value.

const BLACK: Gray4 = _

Black color (0% luma).

const WHITE: Gray4 = _

White color (100% luma).

impl Hash for Gray4

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 Ord for Gray4

fn cmp(&self, other: &Gray4) -> 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 PartialEq for Gray4

fn eq(&self, other: &Gray4) -> 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 PartialOrd for Gray4

fn partial_cmp(&self, other: &Gray4) -> 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 PixelColor for Gray4

type Raw = RawU4

Raw data type.

impl Copy for Gray4

impl Eq for Gray4

impl StructuralPartialEq for Gray4