/*
 * This file is part of ***  M y C o R e  ***
 * See http://www.mycore.de/ for details.
 *
 * MyCoRe is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * MyCoRe is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with MyCoRe.  If not, see <http://www.gnu.org/licenses/>.
 */

package org.mycore.iview.tests.image.api;

import java.util.ArrayList;
import java.util.List;

public class FilterSelection extends Selection {

    public FilterSelection(Selection fs, PixelFilter filter) {
        this.source = fs;
        this.filter = filter;
    }

    private Selection source;

    private PixelFilter filter;

    @Override
    public List<Pixel> getPixel() {
        List<Pixel> pixels = this.source.getPixel();
        List<Pixel> filteredPixels = new ArrayList<>();
        for (Pixel pixel : pixels) {
            if (filter.filter(pixel)) {
                filteredPixels.add(pixel);
            }
        }

        return filteredPixels;
    }
}
