fp/packages/scout/src/image.js

// import ColorThief from 'colorthief'
import sharp from 'sharp'
import Prevvy from 'prevvy'
import path from 'path'
import { getTmpFile } from './utils.js';



export async function getProminentColor(imageFile) {
    const { dominant } = await sharp(imageFile).stats();
    const { r, g, b } = dominant;
    return rgbToHex(r, g, b)
}

export function rgbToHex(r, g, b) {
    return "#" + (1 << 24 | r << 16 | g << 8 | b).toString(16).slice(1);
}


export async function getStoryboard(imageFileOrUrl) {
    let base = path.basename(imageFileOrUrl)
    let outputImagePath = getTmpFile(base)
    let options = {
        input: imageFileOrUrl,
        output: outputImagePath,
        width: 265,
        cols: 5,
        rows: 5
    };
    let prevvy = new Prevvy(options)
    await prevvy.generate()
    return outputImagePath
}