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;
  
  import java.awt.image.DataBuffer;
  import java.awt.image.DataBufferByte;
  import java.awt.image.SampleModel;
  
  /**
   * @author Kimi Liu
   * @since Java 17+
   */
  public class SampledSampleModel extends SampleModel {
  
      private final ColorSubsampling subsampling;
  
      public SampledSampleModel(int w, int h, ColorSubsampling subsampling) {
          super(DataBuffer.TYPE_BYTE, w, h, 3);
          this.subsampling = subsampling;
      }
  
      @Override
      public SampleModel createCompatibleSampleModel(int w, int h) {
          return new SampledSampleModel(w, h, subsampling);
      }
  
      @Override
      public DataBuffer createDataBuffer() {
          return new DataBufferByte(subsampling.frameLength(width, height));
      }
  
      @Override
      public SampleModel createSubsetSampleModel(int[] bands) {
          if (bands.length != 3 || bands[0] != 0 || bands[1] != 1 || bands[2] != 2)
              throw new UnsupportedOperationException();
  
          return this;
      }
  
      @Override
      public Object getDataElements(int x, int y, Object object, DataBuffer data) {
          byte[] ret;
          if ((object instanceof byte[]) && ((byte[]) object).length == 3)
              ret = (byte[]) object;
          else
              ret = new byte[3];
          DataBufferByte dbb = (DataBufferByte) data;
          byte[] ba = dbb.getData();
          int iy = subsampling.indexOfY(x, y, width);
          int ibr = subsampling.indexOfBR(x, y, width);
          ret[0] = ba[iy];
          ret[1] = ba[ibr];
          ret[2] = ba[ibr + 1];
          return ret;
      }
  
      @Override
      public int getNumDataElements() {
          return 3;
      }
  
      @Override
      public int getSample(int x, int y, int b, DataBuffer data) {
          return ((byte[]) getDataElements(x, y, null, data))[b];
      }
  
      @Override
      public int[] getSampleSize() {
          return new int[] { 8, 8, 8 };
      }
  
      @Override
      public int getSampleSize(int band) {
          return 8;
      }
  
      @Override
      public void setDataElements(int x, int y, Object object, DataBuffer data) {
          throw new UnsupportedOperationException();
      }
  
      @Override
      public void setSample(int x, int y, int b, int s, DataBuffer data) {
          throw new UnsupportedOperationException();
      }
  
  }
  