image-js/src/node_modules/test/binary.js

Image processing and manipulation in JavaScript

'use strict';

const { Image } =require( './common');

module.exports = function binary([str]) {
  let lines=str.split(/\r?\n/).map(line=>line.trim()).filter(line => line);
  let width=lines[0].length;
  let height=lines.length;

  const trimmed = lines.join('');
  const data = new Uint8Array(Math.ceil(trimmed.length / 8));
  for (let i = 0; i < trimmed.length; i += 8) {
    const index = i / 8;
    data[index] = parseInt(trimmed.substr(i, 8).padEnd(8, '0'), 2);
  }

  return new Image(
    width,
    height,
   data,
    { kind: 'BINARY' },
  );

};