content: /**
   * Copyright (c) 2014, Facebook, Inc.
   * All rights reserved.
   *
   * This source code is licensed under the BSD-style license found in the
   * LICENSE file in the root directory of this source tree. An additional grant
   * of patent rights can be found in the PATENTS file in the same directory.
   */
  package com.facebook.csslayout;
  
  import java.util.Arrays;
  
  /**
   * Where the output of {@link LayoutEngine#layoutNode(CSSNode, float)} will go in the CSSNode.
   */
  public class CSSLayout {
    public static final int POSITION_LEFT = 0;
    public static final int POSITION_TOP = 1;
    public static final int POSITION_RIGHT = 2;
    public static final int POSITION_BOTTOM = 3;
  
    public static final int DIMENSION_WIDTH = 0;
    public static final int DIMENSION_HEIGHT = 1;
  
    public float[] position = new float[4];
    public float[] dimensions = new float[2];
    public CSSDirection direction = CSSDirection.LTR;
  
    /**
     * This should always get called before calling {@link LayoutEngine#layoutNode(CSSNode, float)}
     */
    public void resetResult() {
      Arrays.fill(position, 0);
      Arrays.fill(dimensions, CSSConstants.UNDEFINED);
      direction = CSSDirection.LTR;
    }
  
    public void copy(CSSLayout layout) {
      position[POSITION_LEFT] = layout.position[POSITION_LEFT];
      position[POSITION_TOP] = layout.position[POSITION_TOP];
      position[POSITION_RIGHT] = layout.position[POSITION_RIGHT];
      position[POSITION_BOTTOM] = layout.position[POSITION_BOTTOM];
      dimensions[DIMENSION_WIDTH] = layout.dimensions[DIMENSION_WIDTH];
      dimensions[DIMENSION_HEIGHT] = layout.dimensions[DIMENSION_HEIGHT];
      direction = layout.direction;
    }
  
    @Override
    public String toString() {
      return "layout: {" +
          "left: " + position[POSITION_LEFT] + ", " +
          "top: " + position[POSITION_TOP] + ", " +
          "width: " + dimensions[DIMENSION_WIDTH] + ", " +
          "height: " + dimensions[DIMENSION_HEIGHT] + ", " +
          "direction: " + direction +
          "}";
    }
  }
  