InjectableInterpolatingSource.java

package com.indago.iddea.view.viewer;

import net.imglib2.RandomAccessible;
import net.imglib2.converter.Converter;
import net.imglib2.interpolation.randomaccess.NLinearInterpolatorFactory;
import net.imglib2.interpolation.randomaccess.NearestNeighborInterpolatorFactory;
import net.imglib2.type.numeric.ARGBType;
import net.imglib2.type.numeric.NumericType;
import net.imglib2.ui.RenderSource;
import net.imglib2.view.Views;

/**
 * A {@link RenderSource}, that provides an interpolated source
 * {@link RandomAccessible} and is able to support nearest-neighbor
 *
 * The (discrete) source {@link RandomAccessible}, transform, and
 * {@link Converter} provided in the constructor.
 *
 * @param <T>
 *            pixel type
 * @param <A>
 *            transform type
 *
 * @author Tobias Pietzsch <tobias.pietzsch@gmail.com>
 *
 * @author HongKee
 */
public class InjectableInterpolatingSource< T extends NumericType< T >, A > extends InjectableSource< T, A > {

    protected RandomAccessible< T > intervalSource;

    @SuppressWarnings( { "unchecked", "rawtypes" } )
    public InjectableInterpolatingSource( final RandomAccessible< T > source, final A sourceTransform, final Converter< ? super T, ARGBType > converter ) {
        super( Views.interpolate( source, new NearestNeighborInterpolatorFactory< T >() ), sourceTransform, converter );

        this.intervalSource = source;
    }

    public void injectIntervalSource( RandomAccessible< T > source ) {
        this.intervalSource = source;

        injectSource( Views.interpolate( source, new NearestNeighborInterpolatorFactory< T >() ) );
    }

    public RandomAccessible< T > getIntervalSource() {
        if ( intervalSource == null )
            throw new NullPointerException( "IntervalSource is null" );

        return intervalSource;
    }
}