content: /*
   ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
   ~                                                                               ~
   ~ The MIT License (MIT)                                                         ~
   ~                                                                               ~
   ~ Copyright (c) 2015-2025 miaixz.org and other contributors.                    ~
   ~                                                                               ~
   ~ Permission is hereby granted, free of charge, to any person obtaining a copy  ~
   ~ of this software and associated documentation files (the "Software"), to deal ~
   ~ in the Software without restriction, including without limitation the rights  ~
   ~ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell     ~
   ~ copies of the Software, and to permit persons to whom the Software is         ~
   ~ furnished to do so, subject to the following conditions:                      ~
   ~                                                                               ~
   ~ The above copyright notice and this permission notice shall be included in    ~
   ~ all copies or substantial portions of the Software.                           ~
   ~                                                                               ~
   ~ THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR    ~
   ~ IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,      ~
   ~ FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE   ~
   ~ AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER        ~
   ~ LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, ~
   ~ OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN     ~
   ~ THE SOFTWARE.                                                                 ~
   ~                                                                               ~
   ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~ ~
  */
  package org.miaixz.bus.image.nimble;
  
  /**
   * @author Kimi Liu
   * @since Java 17+
   */
  public enum YBR {
  
      FULL {
  
          @Override
          public float[] toRGB(float[] ybr) {
              return convert(ybr, FROM_YBR_FULL);
          }
  
          @Override
          public float[] fromRGB(float[] rgb) {
              return convert(rgb, TO_YBR_FULL);
          }
      },
      PARTIAL {
  
          @Override
          public float[] toRGB(float[] ybr) {
              return convert(ybr, FROM_YBR_PARTIAL);
          }
  
          @Override
          public float[] fromRGB(float[] rgb) {
              return convert(rgb, TO_YBR_PARTIAL);
          }
      };
  
      private static final double[] FROM_YBR_FULL = { 1.0, -3.681999032610751E-5, 1.4019875769352639, -0.7009753784724688,
              1.0, -0.34411328131331737, -0.7141038211151132, 0.5291085512142153, 1.0, 1.7719781167370596,
              -1.345834129159976E-4, -0.8859217666620718, };
      private static final double[] FROM_YBR_PARTIAL = { 1.1644154634373545, -9.503599204778129E-5, 1.5960018776303868,
              -0.8707293872840042, 1.1644154634373545, -0.39172456367367336, -0.8130133682767554, 0.5295929995103797,
              1.1644154634373545, 2.017290682233469, -1.3527300480981362E-4, -1.0813536710791642, };
      private static final double[] TO_YBR_FULL = { 0.2990, 0.5870, 0.1140, 0.0, -0.1687, -0.3313, 0.5, 0.5, 0.5, -0.4187,
              -0.0813, 0.5 };
      private static final double[] TO_YBR_PARTIAL = { 0.2568, 0.5041, 0.0979, 0.0625, -0.1482, -0.2910, 0.4392, 0.5,
              0.4392, -0.3678, -0.0714, 0.5 };
  
      private static float[] convert(float[] in, double[] a) {
          return new float[] { (float) Math.max(0.0, Math.min(1.0, a[0] * in[0] + a[1] * in[1] + a[2] * in[2] + a[3])),
                  (float) Math.max(0.0, Math.min(1.0, a[4] * in[0] + a[5] * in[1] + a[6] * in[2] + a[7])),
                  (float) Math.max(0.0, Math.min(1.0, a[8] * in[0] + a[9] * in[1] + a[10] * in[2] + a[11])) };
      }
  
      public abstract float[] toRGB(float[] ybr);
  
      public abstract float[] fromRGB(float[] rgb);
  
  }
  