"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.rgbToHsv = rgbToHsv;

/*
 * SPDX-License-Identifier: Apache-2.0
 *
 * The OpenSearch Contributors require contributions made to
 * this file be licensed under the Apache-2.0 license or a
 * compatible open source license.
 *
 * Modifications Copyright OpenSearch Contributors. See
 * GitHub history for details.
 */

/*
 * Licensed to Elasticsearch B.V. under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch B.V. licenses this file to you 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.
 */
function rgbToHsv(_ref) {
  var r = _ref.r,
      g = _ref.g,
      b = _ref.b;
  r /= 255;
  g /= 255;
  b /= 255;
  var max = Math.max(r, g, b);
  var min = Math.min(r, g, b);
  var delta = max - min;
  var hue;
  var value = max;
  var saturation = max === 0 ? 0 : delta / max;

  switch (max) {
    case min:
    default:
      hue = 0;
      break;

    case r:
      hue = (g - b) / delta + (g < b ? 6 : 0);
      break;

    case g:
      hue = (b - r) / delta + 2;
      break;

    case b:
      hue = (r - g) / delta + 4;
      break;
  }

  return {
    h: hue * 60,
    s: saturation,
    v: value
  };
}