Contents

'use strict';

var gifRegexp = /^GIF8[7,9]a/;
function isGIF (buffer) {
  var signature = buffer.toString('ascii', 0, 6);
  return (gifRegexp.test(signature));
}

function calculate(buffer) {
  return {
    'width': buffer.readUInt16LE(6),
    'height': buffer.readUInt16LE(8)
  };
}

module.exports = {
  'detect': isGIF,
  'calculate': calculate
};

Version data entries

2 entries across 2 versions & 1 rubygems

Version	Path
less-execjs-2.6.0.4	lib/less/js/image-size/lib/types/gif.js
less-execjs-2.6.0.3	lib/less/js/image-size/lib/types/gif.js