image-size/dist/types/j2c.cjs

get dimensions of any image file

'use strict';

// lib/types/utils.ts
new TextDecoder();
var getView = (input, offset) => new DataView(input.buffer, input.byteOffset + offset);
var readUInt32BE = (input, offset = 0) => getView(input, offset).getUint32(0, false);

// lib/types/j2c.ts
var J2C = {
  // TODO: this doesn't seem right. SIZ marker doesn't have to be right after the SOC
  validate: (input) => readUInt32BE(input, 0) === 4283432785,
  calculate: (input) => ({
    height: readUInt32BE(input, 12),
    width: readUInt32BE(input, 8)
  })
};

exports.J2C = J2C;