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 MinimumChannel implements IOperator< IImageChannel > {
	private IImageChannel channel1;
	private IImageChannel channel2;
	
	public MinimumChannel( IImageChannel channel1, IImageChannel channel2 ) {
		this.channel1 = channel1;
		this.channel2 = channel2;
	}
	
	public IImageChannel apply( ) {
		IImageChannel result = new ImageChannel( this.channel1.getSize( ) );
		for ( int i = 0; i < this.channel1.getMaxIndex( ); i++ ) {
			result.setValue( i, Math.min( this.channel1.getValue( i ), this.channel2.getValue( i ) ) );
		}
		return result;
	}
}