package pl.wroc.pwr.image.converter;

import pl.wroc.pwr.IOperator;
import pl.wroc.pwr.image.IGSImage;
import pl.wroc.pwr.image.IRGBImage;
import pl.wroc.pwr.image.model.RGBImage;
import pl.wroc.pwr.imagechannel.basic.CopyChannel;

public class GStoRGBConverter implements IOperator< IRGBImage > {	
	private IGSImage inputImage;
	
	public GStoRGBConverter( IGSImage image ) {
		this.inputImage = image;
	}
	
	public void setImage( IGSImage image ) {
		this.inputImage = image;
	}
	
	public IRGBImage apply( ) {
		IRGBImage outputImage = new RGBImage( this.inputImage.getSize( ) );
		if ( new CopyChannel( outputImage.getRedChannel( ), this.inputImage.getGrayChannel( ) ).apply( ) == null ) { return null; }
		if ( new CopyChannel( outputImage.getGreenChannel( ), this.inputImage.getGrayChannel( ) ).apply( ) == null ) { return null; }
		if ( new CopyChannel( outputImage.getBlueChannel( ), this.inputImage.getGrayChannel( ) ).apply( ) == null ) { return null; }
		return outputImage;
	}
}