added new Mat constructor and tests

core.cpp

@@ -62,6 +62,10 @@ Mat Mat_NewFromPoint2fVector(Point2fVector pfv, bool copy_data) {
     return new cv::Mat(*pfv, copy_data);
 }
 
+Mat Mat_NewFromPointVector(PointVector pv, bool copy_data) {
+    return new cv::Mat(*pv, copy_data);
+}
+
 Mat Eye(int rows, int cols, int type) {
     cv::Mat* mat = new cv::Mat(rows, cols, type);
     *mat = cv::Mat::eye(rows, cols, type);

core.go

@@ -318,6 +318,12 @@ func NewMatFromPoint2fVector(pfv Point2fVector, copyData bool) Mat {
 	return mat
 }
 
+// NewMatFromPointVector returns a new Mat from a gocv.PointVector.
+func NewMatFromPointVector(pv PointVector, copyData bool) Mat {
+	mat := newMat(C.Mat_NewFromPointVector(pv.p, C.bool(copyData)))
+	return mat
+}
+
 // Returns an identity matrix of the specified size and type.
 //
 // The method returns a Matlab-style identity matrix initializer, similarly to Mat::zeros. Similarly to Mat::ones.

core.h

@@ -307,6 +307,7 @@ Mat Mat_NewFromScalar(const Scalar ar, int type);
 Mat Mat_NewWithSizeFromScalar(const Scalar ar, int rows, int cols, int type);
 Mat Mat_NewFromBytes(int rows, int cols, int type, struct ByteArray buf);
 Mat Mat_NewFromPoint2fVector(Point2fVector pfv, bool copy_data);
+Mat Mat_NewFromPointVector(PointVector pv, bool copy_data);
 Mat Mat_FromPtr(Mat m, int rows, int cols, int type, int prows, int pcols);
 void Mat_Close(Mat m);
 int Mat_Empty(Mat m);

core_test.go

@@ -3412,3 +3412,42 @@ func TestNewRotatedRect2f(t *testing.T) {
 	}
 
 }
+
+func TestNewMatFromPointVector(t *testing.T) {
+
+	img := NewMatWithSize(320, 200, MatTypeCV32SC1)
+	defer img.Close()
+
+	size := img.Size()
+
+	points := []image.Point{
+		image.Pt(0, 0), image.Pt(0, size[0]-1),
+		image.Pt(size[1]-1, size[0]-1),
+		image.Pt(size[1]-1, 0),
+	}
+
+	pv := NewPointVectorFromPoints(points)
+	defer pv.Close()
+
+	m := NewMatFromPointVector(pv, false)
+	defer m.Close()
+
+	if m.Empty() {
+		t.Error("Mat shlould not be empty")
+	}
+
+}
+
+func TestNewMatFromPoint2fVector(t *testing.T) {
+
+	pv2f := NewPoint2fVectorFromPoints([]Point2f{NewPoint2f(1.1, 2.2)})
+	defer pv2f.Close()
+
+	m := NewMatFromPoint2fVector(pv2f, false)
+	defer m.Close()
+
+	if m.Empty() {
+		t.Error("Mat shlould not be empty")
+	}
+
+}