package pl.wroc.pwr.imagechannel.basic;

import pl.wroc.pwr.IOperator;
import pl.wroc.pwr.imagechannel.IImageChannel;
import pl.wroc.pwr.imagechannel.model.ImageChannel;

public class MaximumChannel implements IOperator< IImageChannel >
{
	/**
	 *
	 */
	private static final long serialVersionUID = 7588947990022361402L;

	private IImageChannel channel1;
	private IImageChannel channel2;
	private boolean inPlace;

	public MaximumChannel( IImageChannel channel1, IImageChannel channel2, boolean inPlace ) {
		this.channel1 = channel1;
		this.channel2 = channel2;
		this.inPlace = inPlace;
	}

	public IImageChannel apply( ) {
		IImageChannel result = this.inPlace ? this.channel1 : new ImageChannel( this.channel1.getSize( ) );
		for ( int i = 0; i < this.channel1.getMaxIndex( ); i++ ) {
			result.setValue( i, Math.max( this.channel1.getValue( i ), this.channel2.getValue( i ) ) );
		}
		return result;
	}
}