[3501/OpenCVShowImage] / IsolateImage.java

import java.awt.Graphics;
import java.awt.Panel;
import java.awt.image.BufferedImage;
import java.io.IOException;
import java.net.URL;

import javax.imageio.ImageIO;
import javax.swing.JFrame;

import org.opencv.core.Core;
import org.opencv.core.Mat;
import org.opencv.core.Scalar;
import org.opencv.imgcodecs.Imgcodecs;

public class IsolateImage extends Panel {
        BufferedImage image;

        public static Mat matOriginal;
        public static Mat filtered;

        public static final Scalar LOWER_BOUNDS = new Scalar(103, 164, 169);
        public static final Scalar UPPER_BOUNDS = new Scalar(125, 229, 255);

        static {
                System.loadLibrary(Core.NATIVE_LIBRARY_NAME);
        }

        public IsolateImage() {
                try {
                        // image file
                        // name is
                        // testpicture.png
                        URL input = this.getClass().getResource(("imgs/testpicture.png"));
                        // this will read the image to save
                        // into a BufferedImage variable
                        image = ImageIO.read(input);
                } catch (IOException ie) {
                        // this is to spill
                        // out a message
                        // saying
                        // something
                        // doesn't work
                        System.out.println("Error: " + ie.getMessage());
                }
        }

        public void paint(Graphics g) {
                // This is to actually draw the image out,
                // necessary.

                // Input of a bufferedimage, x, y, then
                // an observer in this case null.
                g.drawImage(image, 0, 0, null);
        }

        public static void main(String args[]) throws Exception {

                matOriginal = new Mat();
                filtered = new Mat();

                // Creates a window to
                // display the image
                JFrame frame = new JFrame("Display image");

                // Gets the image from ShowImage() method
                Panel panel = new IsolateImage();

                // Adds the image to the new window
                // panel
                frame.getContentPane().add(panel);

                // sets the size of the panel
                frame.setSize(500, 500);
                // makes it visible
                frame.setVisible(true);
        }

        public static void processImage() {
                matOriginal = Imgcodecs.imread("imgs/testpicture.png"); // convert image
                                                                                                                                // into matrix

        }
}