192 lines
6.6 KiB
Java
192 lines
6.6 KiB
Java
package org.opencv.test.core;
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import org.opencv.core.Point;
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import org.opencv.core.Rect;
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import org.opencv.core.RotatedRect;
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import org.opencv.core.Size;
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import org.opencv.test.OpenCVTestCase;
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public class RotatedRectTest extends OpenCVTestCase {
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private double angle;
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private Point center;
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private Size size;
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@Override
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protected void setUp() throws Exception {
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super.setUp();
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center = new Point(matSize / 2, matSize / 2);
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size = new Size(matSize / 4, matSize / 2);
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angle = 40;
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}
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public void testBoundingRect() {
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size = new Size(matSize / 2, matSize / 2);
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assertEquals(size.height, size.width);
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double length = size.height;
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angle = 45;
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RotatedRect rr = new RotatedRect(center, size, angle);
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Rect r = rr.boundingRect();
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double halfDiagonal = length * Math.sqrt(2) / 2;
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assertTrue((r.x == Math.floor(center.x - halfDiagonal)) && (r.y == Math.floor(center.y - halfDiagonal)));
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assertTrue((r.br().x >= Math.ceil(center.x + halfDiagonal)) && (r.br().y >= Math.ceil(center.y + halfDiagonal)));
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assertTrue((r.br().x - Math.ceil(center.x + halfDiagonal)) <= 1 && (r.br().y - Math.ceil(center.y + halfDiagonal)) <= 1);
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}
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public void testClone() {
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RotatedRect rrect = new RotatedRect(center, size, angle);
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RotatedRect clone = rrect.clone();
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assertTrue(clone != null);
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assertTrue(rrect.center.equals(clone.center));
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assertTrue(rrect.size.equals(clone.size));
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assertTrue(rrect.angle == clone.angle);
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}
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public void testEqualsObject() {
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Point center2 = new Point(matSize / 3, matSize / 1.5);
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Size size2 = new Size(matSize / 2, matSize / 4);
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double angle2 = 0;
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RotatedRect rrect1 = new RotatedRect(center, size, angle);
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RotatedRect rrect2 = new RotatedRect(center2, size2, angle2);
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RotatedRect rrect3 = rrect1;
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RotatedRect clone1 = rrect1.clone();
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RotatedRect clone2 = rrect2.clone();
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assertTrue(rrect1.equals(rrect3));
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assertTrue(!rrect1.equals(rrect2));
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assertTrue(rrect2.equals(clone2));
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clone2.angle = 10;
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assertTrue(!rrect2.equals(clone2));
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assertTrue(rrect1.equals(clone1));
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clone1.center.x += 1;
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assertTrue(!rrect1.equals(clone1));
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clone1.center.x -= 1;
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assertTrue(rrect1.equals(clone1));
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clone1.size.width += 1;
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assertTrue(!rrect1.equals(clone1));
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assertTrue(!rrect1.equals(size));
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}
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public void testHashCode() {
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RotatedRect rr = new RotatedRect(center, size, angle);
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assertEquals(rr.hashCode(), rr.hashCode());
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}
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public void testPoints() {
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RotatedRect rrect = new RotatedRect(center, size, angle);
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Point p[] = new Point[4];
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rrect.points(p);
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boolean is_p0_irrational = (100 * p[0].x != (int) (100 * p[0].x)) && (100 * p[0].y != (int) (100 * p[0].y));
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boolean is_p1_irrational = (100 * p[1].x != (int) (100 * p[1].x)) && (100 * p[1].y != (int) (100 * p[1].y));
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boolean is_p2_irrational = (100 * p[2].x != (int) (100 * p[2].x)) && (100 * p[2].y != (int) (100 * p[2].y));
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boolean is_p3_irrational = (100 * p[3].x != (int) (100 * p[3].x)) && (100 * p[3].y != (int) (100 * p[3].y));
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assertTrue(is_p0_irrational && is_p1_irrational && is_p2_irrational && is_p3_irrational);
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assertTrue("Symmetric points 0 and 2",
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Math.abs((p[0].x + p[2].x) / 2 - center.x) + Math.abs((p[0].y + p[2].y) / 2 - center.y) < EPS);
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assertTrue("Symmetric points 1 and 3",
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Math.abs((p[1].x + p[3].x) / 2 - center.x) + Math.abs((p[1].y + p[3].y) / 2 - center.y) < EPS);
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assertTrue("Orthogonal vectors 01 and 12",
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Math.abs((p[1].x - p[0].x) * (p[2].x - p[1].x) +
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(p[1].y - p[0].y) * (p[2].y - p[1].y)) < EPS);
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assertTrue("Orthogonal vectors 12 and 23",
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Math.abs((p[2].x - p[1].x) * (p[3].x - p[2].x) +
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(p[2].y - p[1].y) * (p[3].y - p[2].y)) < EPS);
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assertTrue("Orthogonal vectors 23 and 30",
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Math.abs((p[3].x - p[2].x) * (p[0].x - p[3].x) +
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(p[3].y - p[2].y) * (p[0].y - p[3].y)) < EPS);
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assertTrue("Orthogonal vectors 30 and 01",
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Math.abs((p[0].x - p[3].x) * (p[1].x - p[0].x) +
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(p[0].y - p[3].y) * (p[1].y - p[0].y)) < EPS);
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assertTrue("Length of the vector 01",
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Math.abs((p[1].x - p[0].x) * (p[1].x - p[0].x) +
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(p[1].y - p[0].y) * (p[1].y - p[0].y) - size.height * size.height) < EPS);
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assertTrue("Length of the vector 21",
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Math.abs((p[1].x - p[2].x) * (p[1].x - p[2].x) +
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(p[1].y - p[2].y) * (p[1].y - p[2].y) - size.width * size.width) < EPS);
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assertTrue("Angle of the vector 21 with the axes", Math.abs((p[2].x - p[1].x) / size.width - Math.cos(angle * Math.PI / 180)) < EPS);
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}
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public void testRotatedRect() {
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RotatedRect rr = new RotatedRect();
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assertTrue(rr != null);
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assertTrue(rr.center != null);
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assertTrue(rr.size != null);
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assertTrue(rr.angle == 0.0);
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}
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public void testRotatedRectDoubleArray() {
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double[] vals = { 1.5, 2.6, 3.7, 4.2, 5.1 };
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RotatedRect rr = new RotatedRect(vals);
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assertNotNull(rr);
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assertEquals(1.5, rr.center.x);
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assertEquals(2.6, rr.center.y);
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assertEquals(3.7, rr.size.width);
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assertEquals(4.2, rr.size.height);
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assertEquals(5.1, rr.angle);
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}
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public void testRotatedRectPointSizeDouble() {
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RotatedRect rr = new RotatedRect(center, size, 40);
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assertTrue(rr != null);
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assertTrue(rr.center != null);
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assertTrue(rr.size != null);
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assertTrue(rr.angle == 40.0);
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}
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public void testSet() {
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double[] vals1 = {};
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RotatedRect r1 = new RotatedRect(center, size, 40);
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r1.set(vals1);
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assertEquals(0., r1.angle);
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assertPointEquals(new Point(0, 0), r1.center, EPS);
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assertSizeEquals(new Size(0, 0), r1.size, EPS);
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double[] vals2 = { 1, 2, 3, 4, 5 };
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RotatedRect r2 = new RotatedRect(center, size, 40);
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r2.set(vals2);
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assertEquals(5., r2.angle);
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assertPointEquals(new Point(1, 2), r2.center, EPS);
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assertSizeEquals(new Size(3, 4), r2.size, EPS);
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}
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public void testToString() {
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String actual = new RotatedRect(new Point(1, 2), new Size(10, 12), 4.5).toString();
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String expected = "{ {1.0, 2.0} 10x12 * 4.5 }";
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assertEquals(expected, actual);
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}
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}
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