Struct cgats::LabValue

pub struct LabValue {
    pub l: f32,
    pub a: f32,
    pub b: f32,
}

CIEL*a*b*

The LabValue is the key component in calculating [DeltaE]

Value	Color	Range
L*	Light <---> Dark	0.0 <---> 100.0
a*	Green <---> Magenta	-128.0 <---> 128.0
b*	Blue <---> Yellow	-128.0 <---> 128.0

Fields

l: f32

Lightness

a: f32

Green - Magenta

b: f32

Blue - Yellow

Implementations

impl LabValue

pub fn new(l: f32, a: f32, b: f32) -> Result<LabValue, ValueError>

Returns a result of a LabValue from 3 f32s. Will return Err() if the values are out of range as determined by the [Validate] trait.

Trait Implementations

impl Clone for LabValue

fn clone(&self) -> LabValue

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for LabValue

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

Formats the value using the given formatter.

impl Default for LabValue

fn default() -> LabValue

Returns the “default value” for a type.

impl<D> DeltaEq<D> for LabValuewhere
    D: Delta + Copy,

fn delta_eq<T>(&self, other: D, method: DEMethod, tolerance: T) -> boolwhere
    T: Tolerance,

Return true if the value is less than or equal to the [Tolerance]

impl Display for LabValue

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

Formats the value using the given formatter.

impl From<&LabValue> for LabValue

fn from(lab: &LabValue) -> LabValue

Converts to this type from the input type.

impl From<&LchValue> for LabValue

fn from(lch: &LchValue) -> LabValue

Converts to this type from the input type.

impl From<&XyzValue> for LabValue

fn from(xyz: &XyzValue) -> LabValue

Converts to this type from the input type.

impl From<LchValue> for LabValue

fn from(lch: LchValue) -> LabValue

Converts to this type from the input type.

impl From<XyzValue> for LabValue

fn from(xyz: XyzValue) -> LabValue

Converts to this type from the input type.

impl FromStr for LabValue

type Err = ValueError

The associated error which can be returned from parsing.

fn from_str(s: &str) -> Result<LabValue, ValueError>

Parses a string s to return a value of this type.

impl PartialEq<LabValue> for LabValue

fn eq(&self, other: &LabValue) -> 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 Round for LabValue

fn round_to(self, places: i32) -> LabValue

Rounds the value to a number of decimal places

impl TryFrom<&[f32; 3]> for LabValue

type Error = ValueError

The type returned in the event of a conversion error.

fn try_from(slice: &[f32; 3]) -> Result<LabValue, ValueError>

Performs the conversion.

impl TryFrom<&(f32, f32, f32)> for LabValue

type Error = ValueError

The type returned in the event of a conversion error.

fn try_from(tuple: &(f32, f32, f32)) -> Result<LabValue, ValueError>

Performs the conversion.

impl TryFrom<(f32, f32, f32)> for LabValue

type Error = ValueError

The type returned in the event of a conversion error.

fn try_from(tuple: (f32, f32, f32)) -> Result<LabValue, ValueError>

Performs the conversion.

impl Validate for LabValue

fn validate(self) -> Result<LabValue, ValueError>

Return Err() if the values are invalid

impl Copy for LabValue

impl StructuralPartialEq for LabValue