org.opencv.core.MatOfDMatch.java Source code

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Here is the source code for org.opencv.core.MatOfDMatch.java

Source

package org.opencv.core;

import java.util.Arrays;
import java.util.List;

public class MatOfDMatch extends Mat {
    // 32FC4
    private static final int _depth = CvType.CV_32F;
    private static final int _channels = 4;

    public MatOfDMatch() {
        super();
    }

    protected MatOfDMatch(long addr) {
        super(addr);
        if (!empty() && checkVector(_channels, _depth) < 0)
            throw new IllegalArgumentException("Incompatible Mat: " + toString());
        //FIXME: do we need release() here?
    }

    public static MatOfDMatch fromNativeAddr(long addr) {
        return new MatOfDMatch(addr);
    }

    public MatOfDMatch(Mat m) {
        super(m, Range.all());
        if (!empty() && checkVector(_channels, _depth) < 0)
            throw new IllegalArgumentException("Incompatible Mat: " + toString());
        //FIXME: do we need release() here?
    }

    public MatOfDMatch(DMatch... ap) {
        super();
        fromArray(ap);
    }

    public void alloc(int elemNumber) {
        if (elemNumber > 0)
            super.create(elemNumber, 1, CvType.makeType(_depth, _channels));
    }

    public void fromArray(DMatch... a) {
        if (a == null || a.length == 0)
            return;
        int num = a.length;
        alloc(num);
        float buff[] = new float[num * _channels];
        for (int i = 0; i < num; i++) {
            DMatch m = a[i];
            buff[_channels * i + 0] = m.queryIdx;
            buff[_channels * i + 1] = m.trainIdx;
            buff[_channels * i + 2] = m.imgIdx;
            buff[_channels * i + 3] = m.distance;
        }
        put(0, 0, buff); //TODO: check ret val!
    }

    public DMatch[] toArray() {
        int num = (int) total();
        DMatch[] a = new DMatch[num];
        if (num == 0)
            return a;
        float buff[] = new float[num * _channels];
        get(0, 0, buff); //TODO: check ret val!
        for (int i = 0; i < num; i++)
            a[i] = new DMatch((int) buff[_channels * i + 0], (int) buff[_channels * i + 1],
                    (int) buff[_channels * i + 2], buff[_channels * i + 3]);
        return a;
    }

    public void fromList(List<DMatch> ldm) {
        DMatch adm[] = ldm.toArray(new DMatch[0]);
        fromArray(adm);
    }

    public List<DMatch> toList() {
        DMatch[] adm = toArray();
        return Arrays.asList(adm);
    }
}