thi-ng/umbrella

import type { CompLayerFn, RawLayer } from "../api.js";
import { positionOrGravity } from "../units.js";

export const rawLayerImpl: CompLayerFn = async (layer, _, ctx) => {
    const {
        type: __,
        buffer,
        channels,
        gravity,
        pos,
        ref,
        size,
        unit,
        ...opts
    } = <RawLayer>layer;
    const $pos = positionOrGravity(size, ctx.size, layer);
    return {
        input: Buffer.from(buffer.buffer),
        raw: {
            width: size[0],
            height: size[1],
            channels,
        },
        ...$pos,
        ...opts,
    };
};