001/*
002 * Copyright (C) Photon Vision.
003 *
004 * This program is free software: you can redistribute it and/or modify
005 * it under the terms of the GNU General Public License as published by
006 * the Free Software Foundation, either version 3 of the License, or
007 * (at your option) any later version.
008 *
009 * This program is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
012 * GNU General Public License for more details.
013 *
014 * You should have received a copy of the GNU General Public License
015 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
016 */
017
018package org.photonvision.vision.opencv;
019
020import java.util.Comparator;
021import org.photonvision.vision.target.PotentialTarget;
022
023public enum ContourSortMode {
024    Largest(
025            Comparator.comparingDouble(PotentialTarget::getArea)
026                    .reversed()), // reversed so that zero index has the largest size
027    Smallest(Largest.getComparator().reversed()),
028    Highest(Comparator.comparingDouble(tgt -> tgt.getMinAreaRect().center.y)),
029    Lowest(Highest.getComparator().reversed()),
030    Leftmost(Comparator.comparingDouble(tgt -> tgt.getMinAreaRect().center.x * -1)),
031    Rightmost(Leftmost.getComparator().reversed()),
032    Centermost(
033            Comparator.comparingDouble(
034                    tgt ->
035                            (Math.pow(tgt.getMinAreaRect().center.y, 2)
036                                    + Math.pow(tgt.getMinAreaRect().center.x, 2))));
037
038    private final Comparator<PotentialTarget> m_comparator;
039
040    ContourSortMode(Comparator<PotentialTarget> comparator) {
041        m_comparator = comparator;
042    }
043
044    public Comparator<PotentialTarget> getComparator() {
045        return m_comparator;
046    }
047}