Java API: tests for polylines() and goodFeaturesToTrack(), fix of GFTT corners arg type

modules/java/android_test/src/org/opencv/test/core/coreTest.java

@@ -1243,15 +1243,55 @@ public class coreTest extends OpenCVTestCase {
     }
 
     public void testPolylinesMatListOfMatBooleanScalar() {
-        fail("Not yet implemented");
+        Mat img = gray0;
+        List<Point> pts = new ArrayList<Point>();
+        pts.add(new Point(1, 1));
+        pts.add(new Point(7, 1));
+        pts.add(new Point(7, 6));
+        pts.add(new Point(1, 6));
+        List<Mat> mats = new ArrayList<Mat>();
+        mats.add( Converters.vector_Point_to_Mat(pts) );
+        
+        assertEquals(0, Core.countNonZero(img));
+        Core.polylines(img, mats, true, new Scalar(100));
+        assertEquals(22, Core.countNonZero(img));
+        Core.polylines(img, mats, false, new Scalar(0));
+        assertEquals(4, Core.countNonZero(img));
     }
 
     public void testPolylinesMatListOfMatBooleanScalarInt() {
-        fail("Not yet implemented");
+        Mat img = gray0;
+        List<Point> pts = new ArrayList<Point>();
+        pts.add(new Point(1, 1));
+        pts.add(new Point(7, 1));
+        pts.add(new Point(7, 6));
+        pts.add(new Point(1, 6));
+        List<Mat> mats = new ArrayList<Mat>();
+        mats.add( Converters.vector_Point_to_Mat(pts) );
+        
+        assertEquals(0, Core.countNonZero(img));
+        Core.polylines(img, mats, true, new Scalar(100), 2);
+        assertEquals(62, Core.countNonZero(img));
     }
 
     public void testPolylinesMatListOfMatBooleanScalarIntInt() {
-        fail("Not yet implemented");
+        Mat img = gray0;
+        List<Point> pts  = new ArrayList<Point>();
+        List<Point> pts2 = new ArrayList<Point>();
+        pts.add(new Point(1, 1));  pts2.add(new Point(2, 2));
+        pts.add(new Point(7, 1));  pts2.add(new Point(14, 2));
+        pts.add(new Point(7, 6));  pts2.add(new Point(14, 12));
+        pts.add(new Point(1, 6));  pts2.add(new Point(2, 12));
+        List<Mat> mats  = new ArrayList<Mat>();
+        List<Mat> mats2 = new ArrayList<Mat>();
+        mats.add( Converters.vector_Point_to_Mat(pts) );
+        mats2.add( Converters.vector_Point_to_Mat(pts2) );
+        
+        assertTrue(0 == Core.countNonZero(img));
+        Core.polylines(img, mats,  true, new Scalar(100), 2, 8, 0);
+        assertFalse(0 == Core.countNonZero(img));
+        Core.polylines(img, mats2, true, new Scalar(0),   2, 8, 1);
+        assertTrue(0 == Core.countNonZero(img));
     }
 
     public void testPolylinesMatListOfMatBooleanScalarIntIntInt() {

modules/java/android_test/src/org/opencv/test/imgproc/imgprocTest.java

@@ -14,6 +14,7 @@ import org.opencv.core.Size;
 import org.opencv.imgproc.Imgproc;
 import org.opencv.test.OpenCVTestCase;
 
+
 public class imgprocTest extends OpenCVTestCase {
 
     private Mat gray_64f_2;
@@ -1000,29 +1001,58 @@ public class imgprocTest extends OpenCVTestCase {
     }
 
     public void testGoodFeaturesToTrackMatMatIntDoubleDouble() {
-        Mat src = new Mat(matSize, matSize, CvType.CV_32FC1, new Scalar(2.0));
-        Mat corners = new Mat(1, 4, CvType.CV_32FC2);
-        corners.put(0, 0, 1.0, 1.0, 6.0, 1.0, 6.0, 1.0, 6.0, 6.0);
+    	Mat src = gray0;
+    	Core.rectangle(src, new Point(2, 2), new Point(8, 8), new Scalar(100), -1);
+    	List<Point> lp = new ArrayList<Point>();
 
-        Imgproc.goodFeaturesToTrack(src, dst, 100, 0.01, 5.0);
-        // TODO : How do we test this?
-        fail("Not yet implemented");
+        Imgproc.goodFeaturesToTrack(src, lp, 100, 0.01, 3);
+        
+        assertEquals(4, lp.size());
     }
 
     public void testGoodFeaturesToTrackMatMatIntDoubleDoubleMat() {
-        fail("Not yet implemented");
+    	Mat src = gray128;
+    	Point tl = new Point(2, 2);
+    	Point br = new Point(8, 8);
+    	Scalar color = new Scalar(100);
+    	Core.rectangle(src, tl, br, color, -1);
+    	Mat mask = gray0;
+    	Core.circle(mask, tl, 3, color, -1);
+    	List<Point> lp = new ArrayList<Point>();
+
+        Imgproc.goodFeaturesToTrack(src, lp, 100, 0.01, 3, mask);
+        
+        assertEquals(1, lp.size());
     }
 
     public void testGoodFeaturesToTrackMatMatIntDoubleDoubleMatInt() {
-        fail("Not yet implemented");
+    	Mat src = gray0;
+    	Core.rectangle(src, new Point(2, 2), new Point(8, 8), new Scalar(100), -1);
+    	List<Point> lp = new ArrayList<Point>();
+
+        Imgproc.goodFeaturesToTrack(src, lp, 100, 0.01, 3, gray1, 4);
+        
+        assertEquals(4, lp.size());
     }
 
     public void testGoodFeaturesToTrackMatMatIntDoubleDoubleMatIntBoolean() {
-        fail("Not yet implemented");
+    	Mat src = gray0;
+    	Core.rectangle(src, new Point(2, 2), new Point(8, 8), new Scalar(100), -1);
+    	List<Point> lp = new ArrayList<Point>();
+
+        Imgproc.goodFeaturesToTrack(src, lp, 100, 0.01, 3, gray1, 4, true);
+        
+        assertEquals(4, lp.size());
     }
 
     public void testGoodFeaturesToTrackMatMatIntDoubleDoubleMatIntBooleanDouble() {
-        fail("Not yet implemented");
+    	Mat src = gray0;
+    	Core.rectangle(src, new Point(2, 2), new Point(8, 8), new Scalar(100), -1);
+    	List<Point> lp = new ArrayList<Point>();
+
+        Imgproc.goodFeaturesToTrack(src, lp, 100, 0.01, 3, gray1, 4, true, 0);
+        
+        assertEquals(4, lp.size());
     }
 
     public void testGrabCutMatMatRectMatMatInt() {

modules/java/gen_java.py

@@ -457,6 +457,7 @@ func_arg_fix = {
         'randu'    : { 'low'     : 'Scalar', 'high'   : 'Scalar', },
         'randn'    : { 'mean'    : 'Scalar', 'stddev' : 'Scalar', },
         'inRange'  : { 'lowerb'  : 'Scalar', 'upperb' : 'Scalar', },
+        'goodFeaturesToTrack' : { 'corners' : 'vector_Point' },
     }, # '', i.e. empty class
 } # func_arg_fix