printmaker/dist/colors.js

Generate PDF documents and from JavaScript objects

import { rgb } from 'pdf-lib';
import { typeError } from './types.js';
export function parseColor(input) {
    if (typeof input === 'string') {
        if (/^#[0-9a-f]{6}$/.test(input)) {
            const r = parseInt(input.slice(1, 3), 16) / 255;
            const g = parseInt(input.slice(3, 5), 16) / 255;
            const b = parseInt(input.slice(5, 7), 16) / 255;
            return rgb(r, g, b);
        }
        const color = namedColors[input];
        if (color)
            return color;
        throw typeError('valid color name', input);
    }
    throw typeError('valid color', input);
}
export const namedColors = {
    black: rgb(0, 0, 0),
    gray: rgb(0.5, 0.5, 0.5),
    white: rgb(1, 1, 1),
    red: rgb(1, 0, 0),
    blue: rgb(0, 0, 1),
    green: rgb(0, 0.5, 0),
    cyan: rgb(0, 1, 1),
    magenta: rgb(1, 0, 1),
    yellow: rgb(1, 1, 0),
    lightgray: rgb(0.83, 0.83, 0.83),
    darkgray: rgb(0.66, 0.66, 0.66),
};
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