nom.tam.fits.compression.provider.param.quant.QuantizeParameters Maven / Gradle / Ivy

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package nom.tam.fits.compression.provider.param.quant;

/*
 * #%L
 * nom.tam FITS library
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 * Copyright (C) 1996 - 2016 nom-tam-fits
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 * This is free and unencumbered software released into the public domain.
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 * Anyone is free to copy, modify, publish, use, compile, sell, or
 * distribute this software, either in source code form or as a compiled
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 * software to the public domain. We make this dedication for the benefit
 * of the public at large and to the detriment of our heirs and
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import nom.tam.fits.compression.algorithm.quant.QuantizeOption;
import nom.tam.fits.compression.provider.param.api.ICompressColumnParameter;
import nom.tam.fits.compression.provider.param.api.ICompressHeaderParameter;
import nom.tam.fits.compression.provider.param.api.ICompressParameters;
import nom.tam.fits.compression.provider.param.base.CompressParameters;

public abstract class QuantizeParameters extends CompressParameters {

    private final ZQuantizeParameter quantz;

    private final ZBlankParameter blank;

    private final ZBlankColumnParameter blankColumn;

    private final ZZeroColumnParameter zero;

    private final ZScaleColumnParameter scale;

    public QuantizeParameters(QuantizeOption option) {
        this.quantz = new ZQuantizeParameter(option);
        this.blank = new ZBlankParameter(option);
        this.blankColumn = new ZBlankColumnParameter(option);
        this.zero = new ZZeroColumnParameter(option);
        this.scale = new ZScaleColumnParameter(option);
    }

    @Override
    protected ICompressColumnParameter[] columnParameters() {
        return new ICompressColumnParameter[]{
            this.blankColumn,
            this.zero,
            this.scale
        };
    }

    protected ICompressParameters copyColumnDetails(QuantizeParameters quantizeParameters) {
        quantizeParameters.blankColumn.setOriginal(this.blankColumn);
        quantizeParameters.zero.setOriginal(this.zero);
        quantizeParameters.scale.setOriginal(this.scale);
        return quantizeParameters;
    }

    @Override
    protected ICompressHeaderParameter[] headerParameters() {
        if (this.blank.isActive()) {
            return new ICompressHeaderParameter[]{
                this.quantz,
                this.blank
            };
        } else {
            return new ICompressHeaderParameter[]{
                this.quantz
            };
        }
    }
}