/*
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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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/*namespace com.google.zxing.qrcode.encoder {*/
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/*import java.util.Arrays;*/
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import Arrays from '../../util/Arrays';
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import StringBuilder from '../../util/StringBuilder';
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/**
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* JAVAPORT: The original code was a 2D array of ints, but since it only ever gets assigned
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* -1, 0, and 1, I'm going to use less memory and go with bytes.
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*
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* @author dswitkin@google.com (Daniel Switkin)
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*/
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export default class ByteMatrix {
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constructor(width /*int*/, height /*int*/) {
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this.width = width;
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this.height = height;
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const bytes = new Array(height); // [height][width]
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for (let i = 0; i !== height; i++) {
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bytes[i] = new Uint8Array(width);
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}
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this.bytes = bytes;
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}
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getHeight() {
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return this.height;
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}
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getWidth() {
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return this.width;
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}
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get(x /*int*/, y /*int*/) {
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return this.bytes[y][x];
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}
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/**
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* @return an internal representation as bytes, in row-major order. array[y][x] represents point (x,y)
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*/
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getArray() {
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return this.bytes;
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}
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// TYPESCRIPTPORT: preffer to let two methods instead of override to avoid type comparison inside
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setNumber(x /*int*/, y /*int*/, value /*byte|int*/) {
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this.bytes[y][x] = value;
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}
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// public set(x: number /*int*/, y: number /*int*/, value: number /*int*/): void {
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// bytes[y][x] = (byte) value
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// }
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setBoolean(x /*int*/, y /*int*/, value) {
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this.bytes[y][x] = /*(byte) */ (value ? 1 : 0);
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}
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clear(value /*byte*/) {
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for (const aByte of this.bytes) {
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Arrays.fill(aByte, value);
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}
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}
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equals(o) {
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if (!(o instanceof ByteMatrix)) {
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return false;
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}
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const other = o;
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if (this.width !== other.width) {
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return false;
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}
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if (this.height !== other.height) {
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return false;
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}
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for (let y = 0, height = this.height; y < height; ++y) {
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const bytesY = this.bytes[y];
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const otherBytesY = other.bytes[y];
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for (let x = 0, width = this.width; x < width; ++x) {
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if (bytesY[x] !== otherBytesY[x]) {
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return false;
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}
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}
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}
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return true;
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}
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/*@Override*/
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toString() {
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const result = new StringBuilder(); // (2 * width * height + 2)
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for (let y = 0, height = this.height; y < height; ++y) {
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const bytesY = this.bytes[y];
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for (let x = 0, width = this.width; x < width; ++x) {
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switch (bytesY[x]) {
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case 0:
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result.append(' 0');
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break;
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case 1:
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result.append(' 1');
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break;
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default:
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result.append(' ');
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break;
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}
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}
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result.append('\n');
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}
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return result.toString();
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}
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}
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