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Last change
on this file was 6a3a178, checked in by Ema <ema_spirova@…>, 3 years ago |
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initial commit
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Property mode
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File size:
296 bytes
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| [6a3a178] | 1 | 'use strict';
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| 2 |
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| 3 | function isBMP (buffer) {
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| 4 | return ('BM' === buffer.toString('ascii', 0, 2));
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| 5 | }
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| 6 |
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| 7 | function calculate (buffer) {
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| 8 | return {
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| 9 | 'width': buffer.readUInt32LE(18),
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| 10 | 'height': Math.abs(buffer.readInt32LE(22))
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| 11 | };
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| 12 | }
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| 13 |
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| 14 | module.exports = {
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| 15 | 'detect': isBMP,
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| 16 | 'calculate': calculate
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| 17 | };
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