lifehash/src/lifehash/constants.js

TypeScript/JavaScript implementation of LifeHash, a visual hash algorithm

import { Color } from './Color.js';
import { blend, blend_many } from './color-utils.js';
export const Colors = {
    black: new Color(0, 0, 0),
    blue: new Color(0, 0, 1),
    cyan: new Color(0, 1, 1),
    green: new Color(0, 1, 0),
    magenta: new Color(1, 0, 1),
    red: new Color(1, 0, 0),
    white: new Color(1, 1, 1),
    yellow: new Color(1, 1, 0),
};
export const grayscale = blend(Colors.black, Colors.white);
const spectrum_colors = [
    [0, 168, 222],
    [51, 51, 145],
    [233, 19, 136],
    [235, 45, 46],
    [253, 233, 43],
    [0, 158, 84],
    [0, 168, 222],
];
export const spectrum = blend_many(spectrum_colors.map((vals) => Color.from_uint8_values(...vals)));
export const spectrum_cmyk_safe_colors = [
    [0, 168, 222],
    [41, 60, 130],
    [210, 59, 130],
    [217, 63, 53],
    [244, 228, 81],
    [0, 158, 84],
    [0, 168, 222],
];
export const spectrum_cmyk_safe = blend_many(spectrum_cmyk_safe_colors.map((vals) => Color.from_uint8_values(...vals)));