content: /*
   * Copyright 2008 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.
   */
  
  package com.ailiwean.core.zxing.core.qrcode.encoder;
  
  import java.util.Arrays;
  
  /**
   * JAVAPORT: The original code was a 2D array of ints, but since it only ever gets assigned
   * -1, 0, and 1, I'm going to use less memory and go with bytes.
   *
   * @author dswitkin@google.com (Daniel Switkin)
   */
  public final class ByteMatrix {
  
    private final byte[][] bytes;
    private final int width;
    private final int height;
  
    public ByteMatrix(int width, int height) {
      bytes = new byte[height][width];
      this.width = width;
      this.height = height;
    }
  
    public int getHeight() {
      return height;
    }
  
    public int getWidth() {
      return width;
    }
  
    public byte get(int x, int y) {
      return bytes[y][x];
    }
  
    /**
     * @return an internal representation as bytes, in row-major order. array[y][x] represents point (x,y)
     */
    public byte[][] getArray() {
      return bytes;
    }
  
    public void set(int x, int y, byte value) {
      bytes[y][x] = value;
    }
  
    public void set(int x, int y, int value) {
      bytes[y][x] = (byte) value;
    }
  
    public void set(int x, int y, boolean value) {
      bytes[y][x] = (byte) (value ? 1 : 0);
    }
  
    public void clear(byte value) {
      for (byte[] aByte : bytes) {
        Arrays.fill(aByte, value);
      }
    }
  
    @Override
    public String toString() {
      StringBuilder result = new StringBuilder(2 * width * height + 2);
      for (int y = 0; y < height; ++y) {
        byte[] bytesY = bytes[y];
        for (int x = 0; x < width; ++x) {
          switch (bytesY[x]) {
            case 0:
              result.append(" 0");
              break;
            case 1:
              result.append(" 1");
              break;
            default:
              result.append("  ");
              break;
          }
        }
        result.append('\n');
      }
      return result.toString();
    }
  
  }
  