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A multidimensional, type-agnostic image processing library.
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/*
 * #%L
 * ImgLib2: a general-purpose, multidimensional image processing library.
 * %%
 * Copyright (C) 2009 - 2018 Tobias Pietzsch, Stephan Preibisch, Stephan Saalfeld,
 * John Bogovic, Albert Cardona, Barry DeZonia, Christian Dietz, Jan Funke,
 * Aivar Grislis, Jonathan Hale, Grant Harris, Stefan Helfrich, Mark Hiner,
 * Martin Horn, Steffen Jaensch, Lee Kamentsky, Larry Lindsey, Melissa Linkert,
 * Mark Longair, Brian Northan, Nick Perry, Curtis Rueden, Johannes Schindelin,
 * Jean-Yves Tinevez and Michael Zinsmaier.
 * %%
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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 */

package net.imglib2;

/**
 * Implementation of the {@link RealInterval} interface.
 * 
 * 
 * @author Stephan Preibisch
 */
public class AbstractRealInterval extends AbstractEuclideanSpace implements RealInterval
{
	final protected double[] min;

	final protected double[] max;

	/**
	 * Creates an n-dimensional {@link AbstractInterval} with min and
	 * max = 0ⁿ.
	 * 
	 * @param n
	 *            number of dimensions
	 */
	public AbstractRealInterval( final int n )
	{
		super( n );
		this.min = new double[ n ];
		this.max = new double[ n ];
	}

	/**
	 * Creates a new {@link AbstractRealInterval} using an existing
	 * {@link RealInterval}
	 * 
	 * @param interval
	 */
	public AbstractRealInterval( final RealInterval interval )
	{
		this( interval.numDimensions() );
		interval.realMin( min );
		interval.realMax( max );
	}

	/**
	 * Creates a new {@link AbstractRealInterval} from min and max coordinates
	 * 
	 * @param min
	 * @param max
	 */
	public AbstractRealInterval( final double[] min, final double[] max )
	{
		super( min.length );
		this.min = min.clone();
		this.max = max.clone();
	}

	@Override
	public double realMin( final int d )
	{
		return min[ d ];
	}

	@Override
	public void realMin( final double[] realMin )
	{
		for ( int d = 0; d < n; ++d )
			realMin[ d ] = this.min[ d ];
	}

	@Override
	public void realMin( final RealPositionable realMin )
	{
		for ( int d = 0; d < n; ++d )
			realMin.setPosition( this.min[ d ], d );
	}

	@Override
	public double realMax( final int d )
	{
		return max[ d ];
	}

	@Override
	public void realMax( final double[] realMax )
	{
		for ( int d = 0; d < n; ++d )
			realMax[ d ] = this.max[ d ];
	}

	@Override
	public void realMax( final RealPositionable realMax )
	{
		for ( int d = 0; d < n; ++d )
			realMax.setPosition( this.max[ d ], d );
	}
}