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1   package nom.tam.fits.compression.provider.param.hcompress;
2   
3   import nom.tam.fits.Header;
4   
5   /*
6    * #%L
7    * nom.tam FITS library
8    * %%
9    * Copyright (C) 1996 - 2024 nom-tam-fits
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11   * This is free and unencumbered software released into the public domain.
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13   * Anyone is free to copy, modify, publish, use, compile, sell, or
14   * distribute this software, either in source code form or as a compiled
15   * binary, for any purpose, commercial or non-commercial, and by any
16   * means.
17   *
18   * In jurisdictions that recognize copyright laws, the author or authors
19   * of this software dedicate any and all copyright interest in the
20   * software to the public domain. We make this dedication for the benefit
21   * of the public at large and to the detriment of our heirs and
22   * successors. We intend this dedication to be an overt act of
23   * relinquishment in perpetuity of all present and future rights to this
24   * software under copyright law.
25   *
26   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
27   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
28   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
29   * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
30   * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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32   * OTHER DEALINGS IN THE SOFTWARE.
33   * #L%
34   */
35  
36  import nom.tam.fits.HeaderCard;
37  import nom.tam.fits.HeaderCardException;
38  import nom.tam.fits.compression.algorithm.hcompress.HCompressorOption;
39  import nom.tam.fits.compression.provider.param.base.CompressHeaderParameter;
40  import nom.tam.fits.header.Compression;
41  
42  /**
43   * (<i>for internal use</i>) The HCompress smooth setting as recorded in the FITS header.
44   */
45  public final class HCompressSmoothParameter extends CompressHeaderParameter<HCompressorOption> {
46  
47      /**
48       * @param hCompressorOption
49       */
50      HCompressSmoothParameter(HCompressorOption hCompressorOption) {
51          super(Compression.SMOOTH, hCompressorOption);
52      }
53  
54      @Override
55      public void getValueFromHeader(Header header) throws HeaderCardException {
56          HeaderCard value = findZVal(header);
57          if (value != null) {
58              getOption().setSmooth(value.getValue(Integer.class, 0) != 0);
59          }
60      }
61  
62      @Override
63      public void setValueInHeader(Header header) throws HeaderCardException {
64          int zvalIndex = nextFreeZVal(header);
65          header.addValue(Compression.ZNAMEn.n(zvalIndex), getName());
66          header.addValue(Compression.ZVALn.n(zvalIndex), getOption().isSmooth() ? 1 : 0);
67      }
68  }