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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"
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package net.imglib2.converter.readwrite;

import net.imglib2.Sampler;
import net.imglib2.img.basictypeaccess.FloatAccess;
import net.imglib2.type.numeric.RealType;
import net.imglib2.type.numeric.real.FloatType;

/**
 * TODO
 * 
 */
public final class RealFloatSamplerConverter< R extends RealType< R > > implements SamplerConverter< R, FloatType >
{
	@Override
	public FloatType convert( final Sampler< ? extends R > sampler )
	{
		return new FloatType( new RealConvertingFloatAccess< R >( sampler ) );
	}

	private static final class RealConvertingFloatAccess< R extends RealType< R > > implements FloatAccess
	{
		private final Sampler< ? extends R > sampler;

		private RealConvertingFloatAccess( final Sampler< ? extends R > sampler )
		{
			this.sampler = sampler;
		}

		/**
		 * This is only intended to work with FloatType! We ignore index!!!
		 */
		@Override
		public float getValue( final int index )
		{
			return sampler.get().getRealFloat();
		}

		/**
		 * This is only intended to work with FloatType! We ignore index!!!
		 */
		@Override
		public void setValue( final int index, final float value )
		{
			sampler.get().setReal( value );
		}
	}
}