/*
    * Licensed to The Apereo Foundation under one or more contributor license
    * agreements. See the NOTICE file distributed with this work for additional
    * information regarding copyright ownership.
    *
    *
    * The Apereo Foundation licenses this file to you under the Educational
    * Community 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://opensource.org/licenses/ecl2.txt
   *
   * 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 org.opencastproject.composer.layout;
  
  import static java.lang.String.format;
  import static org.opencastproject.util.EqualsUtil.hash;
  
  import org.opencastproject.util.RequireUtil;
  
  /** Dimension of a rectangular shape. */
  public final class Dimension {
    private final int width;
    private final int height;
  
    public Dimension(int width, int height) {
      this.width = RequireUtil.min(width, 0);
      this.height = RequireUtil.min(height, 0);
    }
  
    public static Dimension dimension(int width, int height) {
      return new Dimension(width, height);
    }
  
    public int getWidth() {
      return width;
    }
  
    public int getHeight() {
      return height;
    }
  
    @Override
    public boolean equals(Object that) {
      return (this == that) || (that instanceof Dimension && eqFields((Dimension) that));
    }
  
    private boolean eqFields(Dimension that) {
      return width == that.width && height == that.height;
    }
  
    @Override
    public int hashCode() {
      return hash(width, height);
    }
  
    @Override
    public String toString() {
      return format("Dimension(%d,%d)", width, height);
    }
  }