public Image getScreenshot() {
   BufferedImage image = new BufferedImage(getWidth(), getHeight(), BufferedImage.TYPE_4BYTE_ABGR);
   Graphics g = image.getGraphics();
   paint(g);
   g.dispose();
   return image;
 }
 public static BufferedImage copyImage(BufferedImage source) {
   BufferedImage b =
       new BufferedImage(source.getWidth(), source.getHeight(), BufferedImage.TYPE_BYTE_GRAY);
   Graphics g = b.getGraphics();
   g.drawImage(source, 0, 0, null);
   g.dispose();
   return b;
 }
 private static ImageIcon makeRolloverIcon(ImageIcon srcIcon) {
   RescaleOp op =
       new RescaleOp(new float[] {1.2f, 1.2f, 1.2f, 1f}, new float[] {0f, 0f, 0f, 0f}, null);
   BufferedImage img =
       new BufferedImage(
           srcIcon.getIconWidth(), srcIcon.getIconHeight(), BufferedImage.TYPE_INT_ARGB);
   Graphics g = img.getGraphics();
   // g.drawImage(srcIcon.getImage(), 0, 0, null);
   srcIcon.paintIcon(null, g, 0, 0);
   g.dispose();
   return new ImageIcon(op.filter(img, null));
 }
 public void loadImage() throws IOException {
   nonMax = ImageIO.read(new File(path));
   width = nonMax.getWidth();
   height = nonMax.getHeight();
   rmax = width > height ? height / 2 : width / 2;
   accRMax = (rmax + offset - 1) / offset;
   whichRadius.setMaximum(accRMax);
   img = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
   Graphics g = img.getGraphics();
   g.drawImage(nonMax, 0, 0, null);
   g.dispose();
   res = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
   g = res.getGraphics();
   g.drawImage(img, 0, 0, null);
   g.dispose();
   greyScale = copyImage(nonMax);
   ImageIcon icon = new ImageIcon(img);
   ImageIcon icon2 = new ImageIcon(greyScale);
   lbl1.setIcon(icon);
   lbl2.setIcon(icon2);
 }
Exemple #5
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 public static BufferedImage tileImage(BufferedImage im, int width, int height) {
   GraphicsConfiguration gc =
       GraphicsEnvironment.getLocalGraphicsEnvironment()
           .getDefaultScreenDevice()
           .getDefaultConfiguration();
   int transparency = Transparency.OPAQUE; // Transparency.BITMASK;
   BufferedImage compatible = gc.createCompatibleImage(width, height, transparency);
   Graphics2D g = (Graphics2D) compatible.getGraphics();
   g.setPaint(new TexturePaint(im, new Rectangle(0, 0, im.getWidth(), im.getHeight())));
   g.fillRect(0, 0, width, height);
   return compatible;
 }
  public void generarFondo(Component componente) {
    Rectangle areaDibujo = this.getBounds();
    BufferedImage tmp;
    GraphicsConfiguration gc =
        GraphicsEnvironment.getLocalGraphicsEnvironment()
            .getDefaultScreenDevice()
            .getDefaultConfiguration();

    tmp = gc.createCompatibleImage(areaDibujo.width, areaDibujo.height, BufferedImage.TRANSLUCENT);
    Graphics2D g2d = (Graphics2D) tmp.getGraphics();
    g2d.setColor(new Color(55, 55, 255, 165));
    g2d.fillRect(0, 0, areaDibujo.width, areaDibujo.height);
    fondo = tmp;
  }
  public void actionPerformed(ActionEvent e) {
    if (e.getSource() == b) {
      JFrame frame2 = new JFrame();
      JFileChooser chooser = new JFileChooser(".");
      int option =
          chooser.showOpenDialog(
              frame2); // parentComponent must a component like JFrame, JDialog...
      if (option == JFileChooser.APPROVE_OPTION) {
        File selectedFile = chooser.getSelectedFile();
        path = selectedFile.getAbsolutePath();
      }
      try {
        loadImage();
      } catch (IOException ioe) {
        System.out.println(ioe.getMessage());
      }
    } else if (e.getSource() == c) {

      gaussianBlur();
      // filtered = grayscale.filter(filtered, null);
      sobel();
      // thinImage();
      nonMax();
      float lowThreshold = 2.5f;
      float highThreshold = 7.5f;
      int low = Math.round(lowThreshold * MAGNITUDE_SCALE);
      int high = Math.round(highThreshold * MAGNITUDE_SCALE);
      performHysteresis(low, high);
      thresholdEdges();
      writeEdges(data);
      Hough();
      ImageIcon icon1 = new ImageIcon(res);
      lbl1.setIcon(icon1);
      ImageIcon icon2 = new ImageIcon(filtered);
      lbl2.setIcon(icon2);
      filterBtn.setSelected(true);
    }
    if (e.getSource() == findCircles) {
      try {
        accSize = Integer.parseInt(inputCircles.getText());
        res = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
        Graphics g = res.getGraphics();
        g.drawImage(img, 0, 0, null);
        g.dispose();
        findMaxima();
        ImageIcon icon1 = new ImageIcon(res);
        lbl1.setIcon(icon1);
      } catch (Exception err) {
        System.out.println("Not a valid integer");
      }
    } else if (e.getSource() == filterBtn) {
      ImageIcon icon2 = new ImageIcon(filtered);
      lbl2.setIcon(icon2);
    } else if (e.getSource() == sobelBtn) {
      ImageIcon icon2 = new ImageIcon(sobel);
      lbl2.setIcon(icon2);
    } else if (e.getSource() == nonMaxBtn) {
      ImageIcon icon2 = new ImageIcon(nonMax);
      lbl2.setIcon(icon2);
    } else if (e.getSource() == accumulator) {
      buildAccumulator(whichRadius.getValue());
    }
  }