Trait ColorMap

pub trait ColorMap

A color map

Associated Types

type Color;

The color type on which the map operates on

Required Methods

fn index_of(&self, color: &Self::Color) -> usize

Returns the index of the closest match of color in the color map.

fn map_color(&self, color: &mut Self::Color)

Maps color to the closest color in the color map.

Provided Methods

fn lookup(&self, index: usize) -> Option<Self::Color>

Looks up color by index in the color map. If idx is out of range for the color map, or ColorMap doesn't implement lookup None is returned.

fn has_lookup(&self) -> bool

Determine if this implementation of ColorMap overrides the default lookup.

Implementors