001package org.opencv.core;
002
003import java.util.Arrays;
004import java.util.List;
005
006public class MatOfFloat extends Mat {
007    // 32FC1
008    private static final int _depth = CvType.CV_32F;
009    private static final int _channels = 1;
010
011    public MatOfFloat() {
012        super();
013    }
014
015    protected MatOfFloat(long addr) {
016        super(addr);
017        if( !empty() && checkVector(_channels, _depth) < 0 )
018            throw new IllegalArgumentException("Incompatible Mat");
019        //FIXME: do we need release() here?
020    }
021
022    public static MatOfFloat fromNativeAddr(long addr) {
023        return new MatOfFloat(addr);
024    }
025
026    public MatOfFloat(Mat m) {
027        super(m, Range.all());
028        if( !empty() && checkVector(_channels, _depth) < 0 )
029            throw new IllegalArgumentException("Incompatible Mat");
030        //FIXME: do we need release() here?
031    }
032
033    public MatOfFloat(float...a) {
034        super();
035        fromArray(a);
036    }
037
038    public void alloc(int elemNumber) {
039        if(elemNumber>0)
040            super.create(elemNumber, 1, CvType.makeType(_depth, _channels));
041    }
042
043    public void fromArray(float...a) {
044        if(a==null || a.length==0)
045            return;
046        int num = a.length / _channels;
047        alloc(num);
048        put(0, 0, a); //TODO: check ret val!
049    }
050
051    public float[] toArray() {
052        int num = checkVector(_channels, _depth);
053        if(num < 0)
054            throw new RuntimeException("Native Mat has unexpected type or size: " + toString());
055        float[] a = new float[num * _channels];
056        if(num == 0)
057            return a;
058        get(0, 0, a); //TODO: check ret val!
059        return a;
060    }
061
062    public void fromList(List<Float> lb) {
063        if(lb==null || lb.size()==0)
064            return;
065        Float ab[] = lb.toArray(new Float[0]);
066        float a[] = new float[ab.length];
067        for(int i=0; i<ab.length; i++)
068            a[i] = ab[i];
069        fromArray(a);
070    }
071
072    public List<Float> toList() {
073        float[] a = toArray();
074        Float ab[] = new Float[a.length];
075        for(int i=0; i<a.length; i++)
076            ab[i] = a[i];
077        return Arrays.asList(ab);
078    }
079}