content: /*
   * Copyright 2012 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;
  
  /**
   * Simply encapsulates a width and height.
   */
  public final class Dimension {
  
    private final int width;
    private final int height;
  
    public Dimension(int width, int height) {
      if (width < 0 || height < 0) {
        throw new IllegalArgumentException();
      }
      this.width = width;
      this.height = height;
    }
  
    public int getWidth() {
      return width;
    }
  
    public int getHeight() {
      return height;
    }
  
    @Override
    public boolean equals(Object other) {
      if (other instanceof Dimension) {
        Dimension d = (Dimension) other;
        return width == d.width && height == d.height;
      }
      return false;
    }
  
    @Override
    public int hashCode() {
        return width * 32713 + height;
    }
  
    @Override
    public String toString() {
      return width + "x" + height;
    }
  
  }
  