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| 'use strict';
|
| function isBMP (buffer) {
| return ('BM' === buffer.toString('ascii', 0, 2));
| }
|
| function calculate (buffer) {
| return {
| 'width': buffer.readUInt32LE(18),
| 'height': Math.abs(buffer.readInt32LE(22))
| };
| }
|
| module.exports = {
| 'detect': isBMP,
| 'calculate': calculate
| };
|
|