23 lines
599 B
JavaScript
23 lines
599 B
JavaScript
const getSymbolSize = require('./utils').getSymbolSize
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const FINDER_PATTERN_SIZE = 7
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/**
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* Returns an array containing the positions of each finder pattern.
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* Each array's element represent the top-left point of the pattern as (x, y) coordinates
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*
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* @param {Number} version QR Code version
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* @return {Array} Array of coordinates
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*/
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exports.getPositions = function getPositions (version) {
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const size = getSymbolSize(version)
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return [
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// top-left
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[0, 0],
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// top-right
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[size - FINDER_PATTERN_SIZE, 0],
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// bottom-left
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[0, size - FINDER_PATTERN_SIZE]
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]
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}
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