"use strict";
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/*
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* Copyright 2008 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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Object.defineProperty(exports, "__esModule", { value: true });
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/*namespace com.google.zxing.qrcode {*/
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var BarcodeFormat_1 = require("../BarcodeFormat");
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var EncodeHintType_1 = require("../EncodeHintType");
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var BitMatrix_1 = require("../common/BitMatrix");
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var ErrorCorrectionLevel_1 = require("./decoder/ErrorCorrectionLevel");
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var Encoder_1 = require("./encoder/Encoder");
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var IllegalArgumentException_1 = require("../IllegalArgumentException");
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var IllegalStateException_1 = require("../IllegalStateException");
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/*import java.util.Map;*/
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/**
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* This object renders a QR Code as a BitMatrix 2D array of greyscale values.
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*
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* @author dswitkin@google.com (Daniel Switkin)
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*/
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var QRCodeWriter = /** @class */ (function () {
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function QRCodeWriter() {
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}
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/*@Override*/
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// public encode(contents: string, format: BarcodeFormat, width: number /*int*/, height: number /*int*/): BitMatrix
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// /*throws WriterException */ {
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// return encode(contents, format, width, height, null)
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// }
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/*@Override*/
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QRCodeWriter.prototype.encode = function (contents, format, width /*int*/, height /*int*/, hints) {
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if (contents.length === 0) {
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throw new IllegalArgumentException_1.default('Found empty contents');
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}
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if (format !== BarcodeFormat_1.default.QR_CODE) {
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throw new IllegalArgumentException_1.default('Can only encode QR_CODE, but got ' + format);
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}
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if (width < 0 || height < 0) {
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throw new IllegalArgumentException_1.default("Requested dimensions are too small: " + width + "x" + height);
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}
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var errorCorrectionLevel = ErrorCorrectionLevel_1.default.L;
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var quietZone = QRCodeWriter.QUIET_ZONE_SIZE;
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if (hints !== null) {
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if (undefined !== hints.get(EncodeHintType_1.default.ERROR_CORRECTION)) {
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errorCorrectionLevel = ErrorCorrectionLevel_1.default.fromString(hints.get(EncodeHintType_1.default.ERROR_CORRECTION).toString());
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}
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if (undefined !== hints.get(EncodeHintType_1.default.MARGIN)) {
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quietZone = Number.parseInt(hints.get(EncodeHintType_1.default.MARGIN).toString(), 10);
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}
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}
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var code = Encoder_1.default.encode(contents, errorCorrectionLevel, hints);
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return QRCodeWriter.renderResult(code, width, height, quietZone);
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};
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// Note that the input matrix uses 0 == white, 1 == black, while the output matrix uses
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// 0 == black, 255 == white (i.e. an 8 bit greyscale bitmap).
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QRCodeWriter.renderResult = function (code, width /*int*/, height /*int*/, quietZone /*int*/) {
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var input = code.getMatrix();
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if (input === null) {
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throw new IllegalStateException_1.default();
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}
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var inputWidth = input.getWidth();
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var inputHeight = input.getHeight();
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var qrWidth = inputWidth + (quietZone * 2);
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var qrHeight = inputHeight + (quietZone * 2);
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var outputWidth = Math.max(width, qrWidth);
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var outputHeight = Math.max(height, qrHeight);
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var multiple = Math.min(Math.floor(outputWidth / qrWidth), Math.floor(outputHeight / qrHeight));
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// Padding includes both the quiet zone and the extra white pixels to accommodate the requested
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// dimensions. For example, if input is 25x25 the QR will be 33x33 including the quiet zone.
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// If the requested size is 200x160, the multiple will be 4, for a QR of 132x132. These will
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// handle all the padding from 100x100 (the actual QR) up to 200x160.
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var leftPadding = Math.floor((outputWidth - (inputWidth * multiple)) / 2);
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var topPadding = Math.floor((outputHeight - (inputHeight * multiple)) / 2);
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var output = new BitMatrix_1.default(outputWidth, outputHeight);
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for (var inputY = 0, outputY = topPadding; inputY < inputHeight; inputY++, outputY += multiple) {
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// Write the contents of this row of the barcode
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for (var inputX = 0, outputX = leftPadding; inputX < inputWidth; inputX++, outputX += multiple) {
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if (input.get(inputX, inputY) === 1) {
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output.setRegion(outputX, outputY, multiple, multiple);
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}
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}
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}
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return output;
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};
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QRCodeWriter.QUIET_ZONE_SIZE = 4;
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return QRCodeWriter;
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}());
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exports.default = QRCodeWriter;
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