Java tutorial
package org.opencv.core; import java.util.Arrays; import java.util.List; public class MatOfByte extends Mat { // 8UC(x) private static final int _depth = CvType.CV_8U; private static final int _channels = 1; public MatOfByte() { super(); } protected MatOfByte(long addr) { super(addr); if (!empty() && checkVector(_channels, _depth) < 0) throw new IllegalArgumentException("Incompatible Mat"); //FIXME: do we need release() here? } public static MatOfByte fromNativeAddr(long addr) { return new MatOfByte(addr); } public MatOfByte(Mat m) { super(m, Range.all()); if (!empty() && checkVector(_channels, _depth) < 0) throw new IllegalArgumentException("Incompatible Mat"); //FIXME: do we need release() here? } public MatOfByte(byte... a) { super(); fromArray(a); } public void alloc(int elemNumber) { if (elemNumber > 0) super.create(elemNumber, 1, CvType.makeType(_depth, _channels)); } public void fromArray(byte... a) { if (a == null || a.length == 0) return; int num = a.length / _channels; alloc(num); put(0, 0, a); //TODO: check ret val! } public byte[] toArray() { int num = checkVector(_channels, _depth); if (num < 0) throw new RuntimeException("Native Mat has unexpected type or size: " + toString()); byte[] a = new byte[num * _channels]; if (num == 0) return a; get(0, 0, a); //TODO: check ret val! return a; } public void fromList(List<Byte> lb) { if (lb == null || lb.size() == 0) return; Byte ab[] = lb.toArray(new Byte[0]); byte a[] = new byte[ab.length]; for (int i = 0; i < ab.length; i++) a[i] = ab[i]; fromArray(a); } public List<Byte> toList() { byte[] a = toArray(); Byte ab[] = new Byte[a.length]; for (int i = 0; i < a.length; i++) ab[i] = a[i]; return Arrays.asList(ab); } }