Java API: calcOpticalFlowPyrLK() args types are changed to vector<>

Testing: 1130/0/585

modules/java/android_test/src/org/opencv/test/video/videoTest.java

 package org.opencv.test.video;
 
+import java.util.ArrayList;
+import java.util.List;
+
 import org.opencv.core.Core;
-import org.opencv.core.CvType;
 import org.opencv.core.Mat;
+import org.opencv.core.Point;
 import org.opencv.core.Size;
 import org.opencv.test.OpenCVTestCase;
+import org.opencv.utils.Converters;
 import org.opencv.video.Video;
 
 public class videoTest extends OpenCVTestCase {
@@ -17,9 +21,10 @@ public class videoTest extends OpenCVTestCase {
     private Mat subLena1 = null;
     private Mat subLena2 = null;
 
-    private Mat nextPts = null;
-    private Mat status = null;
-    private Mat err = null;
+    List<Point> prevPts = null;
+    private List<Point> nextPts = null;
+    private List<Byte> status = null;
+    private List<Float> err = null;
 
     @Override
     protected void setUp() throws Exception {
@@ -33,9 +38,14 @@ public class videoTest extends OpenCVTestCase {
         subLena1 = rgbLena.submat(shift1, h + shift1, shift1, w + shift1);
         subLena2 = rgbLena.submat(shift2, h + shift2, shift2, w + shift2);
 
-        nextPts = new Mat();
-        status = new Mat();
-        err = new Mat();
+        prevPts = new ArrayList<Point>();
+        prevPts.add(new Point(1.0, 1.0));
+        prevPts.add(new Point(5.0, 5.0));
+        prevPts.add(new Point(10.0, 10.0));
+
+        nextPts = new ArrayList<Point>();
+        status = new ArrayList<Byte>();
+        err = new ArrayList<Float>();
     }
 
     public void testCalcGlobalOrientation() {
@@ -54,39 +64,37 @@ public class videoTest extends OpenCVTestCase {
         fail("Not yet implemented");
     }
 
-    public void testCalcOpticalFlowPyrLKMatMatMatMatMatMat() {
-        Mat prevPts = new Mat(1, 3, CvType.CV_32FC2);
-        prevPts.put(0, 0, 1.0, 1.0, 5.0, 5.0, 10.0, 10.0);
-
-        Video.calcOpticalFlowPyrLK(subLena1, subLena2, prevPts, nextPts, status, err);
-        assertEquals(3, Core.countNonZero(status));
-    }
-
-    public void testCalcOpticalFlowPyrLKMatMatMatMatMatMatSize() {
-        Mat prevPts = new Mat(1, 3, CvType.CV_32FC2);
-        prevPts.put(0, 0, 1.0, 1.0, 5.0, 5.0, 10.0, 10.0);
+	public void testCalcOpticalFlowPyrLKMatMatListOfPointListOfPointListOfByteListOfFloatSizeIntTermCriteriaDoubleIntDouble() {
+		fail("Not yet implemented");
+	}
 
-        Size sz = new Size(3, 3);
-        Video.calcOpticalFlowPyrLK(subLena1, subLena2, prevPts, nextPts, status, err, sz);
-        assertEquals(0, Core.countNonZero(status));
-    }
+	public void testCalcOpticalFlowPyrLKMatMatListOfPointListOfPointListOfByteListOfFloatSizeIntTermCriteriaDoubleInt() {
+		fail("Not yet implemented");
+	}
 
-    public void testCalcOpticalFlowPyrLKMatMatMatMatMatMatSizeInt() {
-        fail("Not yet implemented");
-    }
+	public void testCalcOpticalFlowPyrLKMatMatListOfPointListOfPointListOfByteListOfFloatSizeIntTermCriteriaDouble() {
+		fail("Not yet implemented");
+	}
 
-    public void testCalcOpticalFlowPyrLKMatMatMatMatMatMatSizeIntTermCriteria() {
-        fail("Not yet implemented");
-    }
+	public void testCalcOpticalFlowPyrLKMatMatListOfPointListOfPointListOfByteListOfFloatSizeIntTermCriteria() {
+		fail("Not yet implemented");
+	}
 
-    public void testCalcOpticalFlowPyrLKMatMatMatMatMatMatSizeIntTermCriteriaDouble() {
-        fail("Not yet implemented");
-    }
+	public void testCalcOpticalFlowPyrLKMatMatListOfPointListOfPointListOfByteListOfFloatSizeInt() {
+		fail("Not yet implemented");
+	}
 
-    public void testCalcOpticalFlowPyrLKMatMatMatMatMatMatSizeIntTermCriteriaDoubleInt() {
-        fail("Not yet implemented");
-    }
+	public void testCalcOpticalFlowPyrLKMatMatListOfPointListOfPointListOfByteListOfFloatSize() {
+        Size sz = new Size(3, 3);
+        Video.calcOpticalFlowPyrLK(subLena1, subLena2, prevPts, nextPts, status, err, sz);
+        assertEquals(0, Core.countNonZero( Converters.vector_uchar_to_Mat(status) ));
+	}
 
+	public void testCalcOpticalFlowPyrLKMatMatListOfPointListOfPointListOfByteListOfFloat() {
+        Video.calcOpticalFlowPyrLK(subLena1, subLena2, prevPts, nextPts, status, err);
+        assertEquals(3, Core.countNonZero( Converters.vector_uchar_to_Mat(status) ));
+	}
+    
     public void testCamShift() {
         fail("Not yet implemented");
     }

modules/java/gen_java.py

@@ -478,6 +478,8 @@ func_arg_fix = {
         'findHomography' : { 'srcPoints' : 'vector_Point2f', 'dstPoints' : 'vector_Point2f', },
         'solvePnP' : { 'objectPoints' : 'vector_Point3f', 'imagePoints' : 'vector_Point2f', },
         'solvePnPRansac' : { 'objectPoints' : 'vector_Point3f', 'imagePoints' : 'vector_Point2f', },
+        'calcOpticalFlowPyrLK' : { 'prevPts' : 'vector_Point2f', 'nextPts' : 'vector_Point2f',
+                                   'status' : 'vector_uchar', 'err' : 'vector_float', },
     }, # '', i.e. no class
 } # func_arg_fix
 

modules/java/src/cpp/converters.cpp

@@ -67,6 +67,11 @@ void Mat_to_vector_uchar(Mat& mat, vector<uchar>& v_uchar)
 	v_uchar = (vector<uchar>) mat;
 }
 
+void vector_uchar_to_Mat(vector<uchar>& v_uchar, Mat& mat)
+{
+	mat = Mat(v_uchar, true);
+}
+
 void Mat_to_vector_char(Mat& mat, vector<char>& v_char)
 {
 	v_char.clear();
@@ -74,6 +79,11 @@ void Mat_to_vector_char(Mat& mat, vector<char>& v_char)
 	v_char = (vector<char>) mat;
 }
 
+void vector_char_to_Mat(vector<char>& v_char, Mat& mat)
+{
+	mat = Mat(v_char, true);
+}
+
 
 //vector_Rect
 

modules/java/src/cpp/converters.h

@@ -15,7 +15,10 @@ void Mat_to_vector_float(cv::Mat& mat, std::vector<float>& v_float);
 void vector_float_to_Mat(std::vector<float>& v_float, cv::Mat& mat);
 
 void Mat_to_vector_uchar(cv::Mat& mat, std::vector<uchar>& v_uchar);
+void vector_uchar_to_Mat(std::vector<uchar>& v_uchar, cv::Mat& mat);
+
 void Mat_to_vector_char(cv::Mat& mat, std::vector<char>& v_char);
+void vector_char_to_Mat(std::vector<char>& v_char, cv::Mat& mat);
 
 void Mat_to_vector_Rect(cv::Mat& mat, std::vector<cv::Rect>& v_rect);
 void vector_Rect_to_Mat(std::vector<cv::Rect>& v_rect, cv::Mat& mat);

modules/java/src/java/utils+Converters.java

@@ -293,7 +293,7 @@ public class Converters {
         float[] buff = new float[count];
         m.get(0, 0, buff);
         for(int i=0; i<count; i++) {
-            fs.add( new Float(buff[i]) );
+            fs.add( buff[i] );
         }
     }
 
@@ -314,6 +314,23 @@ public class Converters {
         return res;
     }
 
+    public static void Mat_to_vector_uchar(Mat m, List<Byte> us) {
+        if(us == null)
+            throw new java.lang.IllegalArgumentException("Output List can't be null");
+        int count = m.rows();
+        if( CvType.CV_8UC1 != m.type() ||  m.cols()!=1 )
+            throw new java.lang.IllegalArgumentException(
+                    "CvType.CV_8UC1 != m.type() ||  m.cols()!=1\n" + m);
+
+        us.clear();
+        byte[] buff = new byte[count];
+        m.get(0, 0, buff);
+        for(int i=0; i<count; i++) {
+            us.add( buff[i] );
+        }
+    }
+
+
     public static Mat vector_char_to_Mat(List<Byte> bs) {
         Mat res;
         int count = (bs!=null) ? bs.size() : 0;
@@ -360,7 +377,7 @@ public class Converters {
         int[] buff = new int[count];
         m.get(0, 0, buff);
         for(int i=0; i<count; i++) {
-            is.add( new Integer(buff[i]) );
+            is.add( buff[i] );
         }
     }
 
@@ -376,7 +393,7 @@ public class Converters {
         byte[] buff = new byte[count];
         m.get(0, 0, buff);
         for(int i=0; i<count; i++) {
-            bs.add( new Byte(buff[i]) );
+            bs.add( buff[i] );
         }
     }