@zxing/library
Version:
TypeScript port of ZXing multi-format 1D/2D barcode image processing library.
108 lines (107 loc) • 4.33 kB
JavaScript
;
/*
* Copyright 2013 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.
*/
var __values = (this && this.__values) || function(o) {
var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
if (m) return m.call(o);
if (o && typeof o.length === "number") return {
next: function () {
if (o && i >= o.length) o = void 0;
return { value: o && o[i++], done: !o };
}
};
throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
};
Object.defineProperty(exports, "__esModule", { value: true });
// package com.google.zxing.pdf417.decoder;
// import java.util.Formatter;
var Formatter_1 = require("../../util/Formatter");
var BoundingBox_1 = require("./BoundingBox");
/**
* @author Guenther Grau
*/
var DetectionResultColumn = /** @class */ (function () {
function DetectionResultColumn(boundingBox) {
this.boundingBox = new BoundingBox_1.default(boundingBox);
// this.codewords = new Codeword[boundingBox.getMaxY() - boundingBox.getMinY() + 1];
this.codewords = new Array(boundingBox.getMaxY() - boundingBox.getMinY() + 1);
}
/*final*/ DetectionResultColumn.prototype.getCodewordNearby = function (imageRow) {
var codeword = this.getCodeword(imageRow);
if (codeword != null) {
return codeword;
}
for (var i = 1; i < DetectionResultColumn.MAX_NEARBY_DISTANCE; i++) {
var nearImageRow = this.imageRowToCodewordIndex(imageRow) - i;
if (nearImageRow >= 0) {
codeword = this.codewords[nearImageRow];
if (codeword != null) {
return codeword;
}
}
nearImageRow = this.imageRowToCodewordIndex(imageRow) + i;
if (nearImageRow < this.codewords.length) {
codeword = this.codewords[nearImageRow];
if (codeword != null) {
return codeword;
}
}
}
return null;
};
/*final int*/ DetectionResultColumn.prototype.imageRowToCodewordIndex = function (imageRow) {
return imageRow - this.boundingBox.getMinY();
};
/*final void*/ DetectionResultColumn.prototype.setCodeword = function (imageRow, codeword) {
this.codewords[this.imageRowToCodewordIndex(imageRow)] = codeword;
};
/*final*/ DetectionResultColumn.prototype.getCodeword = function (imageRow) {
return this.codewords[this.imageRowToCodewordIndex(imageRow)];
};
/*final*/ DetectionResultColumn.prototype.getBoundingBox = function () {
return this.boundingBox;
};
/*final*/ DetectionResultColumn.prototype.getCodewords = function () {
return this.codewords;
};
// @Override
DetectionResultColumn.prototype.toString = function () {
var e_1, _a;
var formatter = new Formatter_1.default();
var row = 0;
try {
for (var _b = __values(this.codewords), _c = _b.next(); !_c.done; _c = _b.next()) {
var codeword = _c.value;
if (codeword == null) {
formatter.format('%3d: | %n', row++);
continue;
}
formatter.format('%3d: %3d|%3d%n', row++, codeword.getRowNumber(), codeword.getValue());
}
}
catch (e_1_1) { e_1 = { error: e_1_1 }; }
finally {
try {
if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
}
finally { if (e_1) throw e_1.error; }
}
return formatter.toString();
};
DetectionResultColumn.MAX_NEARBY_DISTANCE = 5;
return DetectionResultColumn;
}());
exports.default = DetectionResultColumn;