92 lines
3.8 KiB
JavaScript
92 lines
3.8 KiB
JavaScript
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'use strict';
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
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var _constants = require('./constants');
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var _encoder = require('./encoder');
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var _encoder2 = _interopRequireDefault(_encoder);
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var _Barcode2 = require('../Barcode');
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var _Barcode3 = _interopRequireDefault(_Barcode2);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
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function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
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// Base class for EAN8 & EAN13
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var EAN = function (_Barcode) {
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_inherits(EAN, _Barcode);
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function EAN(data, options) {
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_classCallCheck(this, EAN);
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// Make sure the font is not bigger than the space between the guard bars
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var _this = _possibleConstructorReturn(this, (EAN.__proto__ || Object.getPrototypeOf(EAN)).call(this, data, options));
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_this.fontSize = !options.flat && options.fontSize > options.width * 10 ? options.width * 10 : options.fontSize;
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// Make the guard bars go down half the way of the text
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_this.guardHeight = options.height + _this.fontSize / 2 + options.textMargin;
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return _this;
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}
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_createClass(EAN, [{
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key: 'encode',
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value: function encode() {
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return this.options.flat ? this.encodeFlat() : this.encodeGuarded();
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}
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}, {
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key: 'leftText',
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value: function leftText(from, to) {
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return this.text.substr(from, to);
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}
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}, {
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key: 'leftEncode',
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value: function leftEncode(data, structure) {
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return (0, _encoder2.default)(data, structure);
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}
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}, {
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key: 'rightText',
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value: function rightText(from, to) {
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return this.text.substr(from, to);
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}
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}, {
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key: 'rightEncode',
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value: function rightEncode(data, structure) {
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return (0, _encoder2.default)(data, structure);
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}
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}, {
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key: 'encodeGuarded',
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value: function encodeGuarded() {
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var textOptions = { fontSize: this.fontSize };
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var guardOptions = { height: this.guardHeight };
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return [{ data: _constants.SIDE_BIN, options: guardOptions }, { data: this.leftEncode(), text: this.leftText(), options: textOptions }, { data: _constants.MIDDLE_BIN, options: guardOptions }, { data: this.rightEncode(), text: this.rightText(), options: textOptions }, { data: _constants.SIDE_BIN, options: guardOptions }];
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}
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}, {
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key: 'encodeFlat',
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value: function encodeFlat() {
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var data = [_constants.SIDE_BIN, this.leftEncode(), _constants.MIDDLE_BIN, this.rightEncode(), _constants.SIDE_BIN];
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return {
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data: data.join(''),
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text: this.text
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};
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}
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}]);
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return EAN;
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}(_Barcode3.default);
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exports.default = EAN;
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