Android OpenCv4 绘制多边形的方法

	
 public static void rectangle(Mat img, Point pt1, Point pt2, Scalar color, int thickness, int lineType, int shift) 

 private void renderRectangle(Mat source) {
        Point leftTop = new Point(100, 100);
        Point rightBottom = new Point(500, 300);
        Imgproc.rectangle(source, leftTop, rightBottom, new Scalar(0.0, 0.0, 255.0), 10);
        showMat(source);
    }
      private void showMat(Mat source) {
        Bitmap bitmap = Bitmap.createBitmap(source.width(), source.height(), Bitmap.Config.ARGB_8888);
        Utils.matToBitmap(source, bitmap);
        mIvSrc.setImageBitmap(bitmap);
        source.release();
    }

 public static void line(Mat img, Point pt1, Point pt2, Scalar color, int thickness, int lineType, int shift)

 public static void polylines(Mat img, List<MatOfPoint> pts, boolean isClosed, Scalar color, int thickness, int lineType, int shift) 

public static void circle(Mat img, Point center, int radius, Scalar color, int thickness, int lineType, int shift)

 public static void ellipse(Mat img, Point center, Size axes, double angle, double startAngle, double endAngle, Scalar color, int thickness, int lineType, int shift)

 public static void putText(Mat img, String text, Point org, int fontFace, double fontScale, Scalar color, int thickness, int lineType, boolean bottomLeftOrigin)