content: /*
   * Copyright (C) 2014 The Android Open Source Project
   *
   * 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.android.ex.camera2.portability;
  
  import android.graphics.Point;
  import android.hardware.Camera;
  import android.text.TextUtils;
  
  import java.util.ArrayList;
  import java.util.List;
  
  /**
   * An immutable simple size container.
   */
  public class Size {
      public static final String DELIMITER = ",";
  
      /**
       * An helper method to build a list of this class from a list of
       * {@link android.hardware.Camera.Size}.
       *
       * @param cameraSizes Source.
       * @return The built list.
       */
      public static List<Size> buildListFromCameraSizes(List<Camera.Size> cameraSizes) {
          ArrayList<Size> list = new ArrayList<Size>(cameraSizes.size());
          for (Camera.Size cameraSize : cameraSizes) {
              list.add(new Size(cameraSize));
          }
          return list;
      }
  
      /**
       * A helper method to build a list of this class from a list of {@link android.util.Size}.
       *
       * @param cameraSizes Source.
       * @return The built list.
       */
      public static List<Size> buildListFromAndroidSizes(List<android.util.Size> androidSizes) {
          ArrayList<Size> list = new ArrayList<Size>(androidSizes.size());
          for (android.util.Size androidSize : androidSizes) {
              list.add(new Size(androidSize));
          }
          return list;
      }
  
      /**
       * Encode List of this class as comma-separated list of integers.
       *
       * @param sizes List of this class to encode.
       * @return encoded string.
       */
      public static String listToString(List<Size> sizes) {
          ArrayList<Integer> flatSizes = new ArrayList<>();
          for (Size s : sizes) {
              flatSizes.add(s.width());
              flatSizes.add(s.height());
          }
          return TextUtils.join(DELIMITER, flatSizes);
      }
  
      /**
       * Decode comma-separated even-length list of integers into a List of this class.
       *
       * @param encodedSizes encoded string.
       * @return List of this class.
       */
      public static List<Size> stringToList(String encodedSizes) {
          String[] flatSizes = TextUtils.split(encodedSizes, DELIMITER);
          ArrayList<Size> list = new ArrayList<>();
          for (int i = 0; i < flatSizes.length; i += 2) {
              int width = Integer.parseInt(flatSizes[i]);
              int height = Integer.parseInt(flatSizes[i + 1]);
              list.add(new Size(width,height));
          }
          return list;
      }
  
      private final Point val;
  
      /**
       * Constructor.
       */
      public Size(int width, int height) {
          val = new Point(width, height);
      }
  
      /**
       * Copy constructor.
       */
      public Size(Size other) {
          if (other == null) {
              val = new Point(0, 0);
          } else {
              val = new Point(other.width(), other.height());
          }
      }
  
      /**
       * Constructor from a source {@link android.hardware.Camera.Size}.
       *
       * @param other The source size.
       */
      public Size(Camera.Size other) {
          if (other == null) {
              val = new Point(0, 0);
          } else {
              val = new Point(other.width, other.height);
          }
      }
  
      /**
       * Constructor from a source {@link android.util.Size}.
       *
       * @param other The source size.
       */
      public Size(android.util.Size other) {
          if (other == null) {
              val = new Point(0, 0);
          } else {
              val = new Point(other.getWidth(), other.getHeight());
          }
      }
  
      /**
       * Constructor from a source {@link android.graphics.Point}.
       *
       * @param p The source size.
       */
      public Size(Point p) {
          if (p == null) {
              val = new Point(0, 0);
          } else {
              val = new Point(p);
          }
      }
  
      public int width() {
          return val.x;
      }
  
      public int height() {
          return val.y;
      }
  
      @Override
      public boolean equals(Object o) {
          if (o instanceof Size) {
              Size other = (Size) o;
              return val.equals(other.val);
          }
          return false;
      }
  
      @Override
      public int hashCode() {
          return val.hashCode();
      }
  
      @Override
      public String toString() {
          return "Size: (" + this.width() + " x " + this.height() + ")";
      }
  }
  