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java: add a MatOfRotatedRect class

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This commit is contained in:
berak 2018-08-23 11:32:26 +02:00
parent 9f2edc1135
commit 1c20a7f008
2 changed files with 108 additions and 0 deletions
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86
modules/core/misc/java/src/java/core+MatOfRotatedRect.java Normal file
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@ -0,0 +1,86 @@
package org.opencv.core;
import java.util.Arrays;
import java.util.List;
import org.opencv.core.RotatedRect;
public class MatOfRotatedRect extends Mat {
// 64FC5
private static final int _depth = CvType.CV_64F;
private static final int _channels = 5;
public MatOfRotatedRect() {
super();
}
protected MatOfRotatedRect(long addr) {
super(addr);
if( !empty() && checkVector(_channels, _depth) < 0 )
throw new IllegalArgumentException("Incompatible Mat");
//FIXME: do we need release() here?
}
public static MatOfRotatedRect fromNativeAddr(long addr) {
return new MatOfRotatedRect(addr);
}
public MatOfRotatedRect(Mat m) {
super(m, Range.all());
if( !empty() && checkVector(_channels, _depth) < 0 )
throw new IllegalArgumentException("Incompatible Mat");
//FIXME: do we need release() here?
}
public MatOfRotatedRect(RotatedRect...a) {
super();
fromArray(a);
}
public void alloc(int elemNumber) {
if(elemNumber>0)
super.create(elemNumber, 1, CvType.makeType(_depth, _channels));
}
public void fromArray(RotatedRect...a) {
if(a==null || a.length==0)
return;
int num = a.length;
alloc(num);
double buff[] = new double[num * _channels];
for(int i=0; i<num; i++) {
RotatedRect r = a[i];
buff[_channels*i+0] = (double) r.center.x;
buff[_channels*i+1] = (double) r.center.y;
buff[_channels*i+2] = (double) r.size.width;
buff[_channels*i+3] = (double) r.size.height;
buff[_channels*i+4] = (double) r.angle;
}
put(0, 0, buff); //TODO: check ret val!
}
public RotatedRect[] toArray() {
int num = (int) total();
RotatedRect[] a = new RotatedRect[num];
if(num == 0)
return a;
double buff[] = new double[_channels];
for(int i=0; i<num; i++) {
get(i, 0, buff); //TODO: check ret val!
a[i] = new RotatedRect(buff);
}
return a;
}
public void fromList(List<RotatedRect> lr) {
RotatedRect ap[] = lr.toArray(new RotatedRect[0]);
fromArray(ap);
}
public List<RotatedRect> toList() {
RotatedRect[] ar = toArray();
return Arrays.asList(ar);
}
}

22
modules/core/misc/java/test/RotatedRectTest.java
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@ -1,11 +1,16 @@
package org.opencv.test.core;
import org.opencv.core.CvType;
import org.opencv.core.Point;
import org.opencv.core.Rect;
import org.opencv.core.RotatedRect;
import org.opencv.core.MatOfRotatedRect;
import org.opencv.core.Size;
import org.opencv.test.OpenCVTestCase;
import java.util.Arrays;
import java.util.List;
public class RotatedRectTest extends OpenCVTestCase {
private double angle;
@ -188,4 +193,21 @@ public class RotatedRectTest extends OpenCVTestCase {
assertEquals(expected, actual);
}
public void testMatOfRotatedRect() {
RotatedRect a = new RotatedRect(new Point(1,2),new Size(3,4),5.678);
RotatedRect b = new RotatedRect(new Point(9,8),new Size(7,6),5.432);
MatOfRotatedRect m = new MatOfRotatedRect(a,b,a,b,a,b,a,b);
assertEquals(m.rows(), 8);
assertEquals(m.cols(), 1);
assertEquals(m.type(), CvType.CV_64FC(5));
RotatedRect[] arr = m.toArray();
assertTrue(arr[2].angle == 5.678);
assertTrue(arr[3].center.x == 9);
assertTrue(arr[3].size.width == 7);
List<RotatedRect> li = m.toList();
assertTrue(li.size() == 8);
RotatedRect rr = li.get(7);
assertTrue(rr.angle == 5.432);
assertTrue(rr.center.y == 8);
}
}