@zxing/library
Version:
TypeScript port of ZXing multi-format 1D/2D barcode image processing library.
39 lines (38 loc) • 1.72 kB
JavaScript
/*
* Copyright (C) 2010 ZXing authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import AbstractUPCEANReader from './AbstractUPCEANReader';
import UPCEANExtension5Support from './UPCEANExtension5Support';
import UPCEANExtension2Support from './UPCEANExtension2Support';
var UPCEANExtensionSupport = /** @class */ (function () {
function UPCEANExtensionSupport() {
}
UPCEANExtensionSupport.decodeRow = function (rowNumber, row, rowOffset) {
var extensionStartRange = AbstractUPCEANReader.findGuardPattern(row, rowOffset, false, this.EXTENSION_START_PATTERN, new Int32Array(this.EXTENSION_START_PATTERN.length).fill(0));
try {
// return null;
var fiveSupport = new UPCEANExtension5Support();
return fiveSupport.decodeRow(rowNumber, row, extensionStartRange);
}
catch (err) {
// return null;
var twoSupport = new UPCEANExtension2Support();
return twoSupport.decodeRow(rowNumber, row, extensionStartRange);
}
};
UPCEANExtensionSupport.EXTENSION_START_PATTERN = Int32Array.from([1, 1, 2]);
return UPCEANExtensionSupport;
}());
export default UPCEANExtensionSupport;