package pl.wroc.pwr.roi.basic;

import pl.wroc.pwr.IOperator1P;
import pl.wroc.pwr.imagechannel.IImageChannel;
import pl.wroc.pwr.roi.IROI;
import pl.wroc.pwr.roi.model.ROIPixels;

public class ROIFromThreshold implements IOperator1P<IROI, IImageChannel> {

	private float threshold;

	public ROIFromThreshold(float threshold) {
		this.threshold = threshold;
	}

	public IROI apply(IImageChannel inputChannel) {
		ROIPixels roi = new ROIPixels(inputChannel.getXSize(), inputChannel.getYSize());
		for (int x = 0; x < inputChannel.getXSize(); x++) {
			for (int y = 0; y < inputChannel.getYSize(); y++) {
				if (inputChannel.getValue(x, y) >= this.threshold) {
					roi.quickAdd(x, y);
				}
			}
		}
		return roi;
	}
}