Examples with java.awt.image java.awt.image used on opensource projects

Example 1 with java.awt.image

use of java.awt.image in project jna by java-native-access.

the class AlphaMaskDemo2 method run.

public void run() {
    // Must find a graphics configuration with a depth of 32 bits
    GraphicsConfiguration gconfig = WindowUtils.getAlphaCompatibleGraphicsConfiguration();
    frame = new JFrame("Alpha Mask Demo");
    alphaWindow = new JWindow(frame, gconfig);
    icon = new JLabel();
    icon.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
    alphaWindow.getContentPane().add(icon);
    JButton quit = new JButton("Quit");
    JLabel label = new JLabel("Drag this window by its image");
    label.setHorizontalAlignment(SwingConstants.CENTER);
    alphaWindow.getContentPane().add(label, BorderLayout.NORTH);
    alphaWindow.getContentPane().add(quit, BorderLayout.SOUTH);
    quit.addActionListener(new ActionListener() {

        public void actionPerformed(ActionEvent e) {
            System.exit(0);
        }
    });
    MouseInputAdapter handler = new MouseInputAdapter() {

        private Point offset;

        public void mousePressed(MouseEvent e) {
            if (SwingUtilities.isLeftMouseButton(e))
                offset = e.getPoint();
        }

        public void mouseReleased(MouseEvent e) {
            offset = null;
        }

        public void mouseDragged(MouseEvent e) {
            if (offset != null) {
                Window w = (Window) e.getSource();
                Point where = e.getPoint();
                where.translate(-offset.x, -offset.y);
                Point loc = w.getLocationOnScreen();
                loc.translate(where.x, where.y);
                w.setLocation(loc.x, loc.y);
            }
        }
    };
    alphaWindow.addMouseListener(handler);
    alphaWindow.addMouseMotionListener(handler);
    JPanel p = new JPanel(new BorderLayout(8, 8));
    p.setBorder(new EmptyBorder(8, 8, 8, 8));
    p.setTransferHandler(new TransferHandler() {

        private static final long serialVersionUID = 1L;

        public boolean canImport(JComponent comp, DataFlavor[] transferFlavors) {
            List<DataFlavor> list = Arrays.asList(transferFlavors);
            if (list.contains(URL_FLAVOR) || list.contains(URI_LIST_FLAVOR) || list.contains(DataFlavor.imageFlavor) || list.contains(DataFlavor.javaFileListFlavor)) {
                return true;
            }
            if (DataFlavor.selectBestTextFlavor(transferFlavors) != null) {
                return true;
            }
            System.err.println("No acceptable flavor found in " + Arrays.asList(transferFlavors));
            return false;
        }

        public boolean importData(JComponent comp, Transferable t) {
            try {
                if (t.isDataFlavorSupported(URL_FLAVOR)) {
                    URL url = (URL) t.getTransferData(URL_FLAVOR);
                    setImage(Toolkit.getDefaultToolkit().getImage(url));
                    return true;
                }
                if (t.isDataFlavorSupported(URI_LIST_FLAVOR)) {
                    String s = (String) t.getTransferData(URI_LIST_FLAVOR);
                    String[] uris = s.split("[\r\n]");
                    if (uris.length > 0) {
                        URL url = new URL(uris[0]);
                        setImage(Toolkit.getDefaultToolkit().getImage(url));
                        return true;
                    }
                    return false;
                }
                if (t.isDataFlavorSupported(DataFlavor.imageFlavor)) {
                    Image image = (Image) t.getTransferData(DataFlavor.imageFlavor);
                    setImage(image);
                    return true;
                }
                if (t.isDataFlavorSupported(DataFlavor.javaFileListFlavor)) {
                    List<File> files = (List<File>) t.getTransferData(DataFlavor.javaFileListFlavor);
                    File f = files.get(0);
                    URL url = new URL("file://" + f.toURI().toURL().getPath());
                    Image image = Toolkit.getDefaultToolkit().getImage(url);
                    setImage(image);
                    return true;
                }
                DataFlavor flavor = DataFlavor.selectBestTextFlavor(t.getTransferDataFlavors());
                if (flavor != null) {
                    Reader reader = flavor.getReaderForText(t);
                    char[] buf = new char[512];
                    StringBuilder b = new StringBuilder();
                    int count;
                    // encoding wrong
                    while ((count = reader.read(buf)) > 0) {
                        for (int i = 0; i < count; i++) {
                            if (buf[i] != 0)
                                b.append(buf, i, 1);
                        }
                    }
                    String html = b.toString();
                    Pattern p = Pattern.compile("<img.*src=\"([^\\\"\">]+)\"", Pattern.CANON_EQ | Pattern.UNICODE_CASE);
                    Matcher m = p.matcher(html);
                    if (m.find()) {
                        URL url = new URL(m.group(1));
                        System.out.println("Load image from " + url);
                        Image image = Toolkit.getDefaultToolkit().getImage(url);
                        setImage(image);
                        return true;
                    }
                    System.err.println("Can't parse text: " + html);
                    return false;
                }
                System.err.println("No flavor available: " + Arrays.asList(t.getTransferDataFlavors()));
            } catch (UnsupportedFlavorException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            } catch (Throwable e) {
                e.printStackTrace();
            }
            return false;
        }
    });
    p.add(new JLabel("<html><center>Drop an image with an alpha channel onto this window<br>" + "You may also adjust the overall transparency with the slider</center></html>"), BorderLayout.NORTH);
    p.setCursor(Cursor.getPredefinedCursor(Cursor.HAND_CURSOR));
    final JSlider slider = new JSlider(0, 255, 255);
    slider.addChangeListener(new ChangeListener() {

        public void stateChanged(ChangeEvent e) {
            int value = slider.getValue();
            WindowUtils.setWindowAlpha(alphaWindow, value / 255f);
        }
    });
    p.add(slider, BorderLayout.SOUTH);
    frame.getContentPane().add(p);
    frame.pack();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    centerOnScreen(frame);
    frame.setVisible(true);
    WindowUtils.setWindowTransparent(alphaWindow, true);
    alphaWindow.setLocation(frame.getX() + frame.getWidth() + 4, frame.getY());
    try {
        URL url = getClass().getResource("tardis.png");
        if (url != null) {
            setImage(Toolkit.getDefaultToolkit().getImage(url));
        }
    } catch (Exception e) {
    }
}

Example 2 with java.awt.image

use of java.awt.image in project groovy by apache.

the class JCaricature method paintComponent.

protected void paintComponent(Graphics g) {
    super.paintComponent(g);
    if (empty) {
        return;
    }
    Graphics2D g2 = (Graphics2D) g.create();
    Image image = getImage("face", getFaceStyle());
    int iw = image.getWidth(null);
    int ih = image.getHeight(null);
    //        g2.translate(iw / 2, ih / 2);
    g2.translate(getWidth() / 2, getHeight() / 2);
    if (iw != getWidth()) {
        float forcedScale = (float) getWidth() / (float) iw;
        g2.scale(forcedScale, forcedScale);
    }
    float scale = getScale();
    if (scale != 1) {
        g2.scale((double) scale, (double) scale);
    }
    int rotation = getRotation();
    if (rotation != 0) {
        g2.rotate(Math.toRadians(rotation));
    }
    drawImage(g2, "face", getFaceStyle());
    drawImage(g2, "hair", getHairStyle());
    drawImage(g2, "eyes", getEyeStyle());
    drawImage(g2, "nose", getNoseStyle());
    drawImage(g2, "mouth", getMouthStyle());
    g2.dispose();
}

Example 3 with java.awt.image

use of java.awt.image in project screenbird by adamhub.

the class SoundBar method paint.

@Override
public void paint(Graphics g) {
    Image img = indeterminateImage;
    if (!active) {
        img = indeterminateImage2;
    }
    int index = (this.getValue() * (activeImages.length - 1)) / this.getMaximum();
    if (!isIndeterminate()) {
        if (this.isActive()) {
            img = activeImages[index];
        } else {
            img = inactiveImages[index];
        }
    }
    g.drawImage(img, 0, 0, this);
}

Example 4 with java.awt.image

use of java.awt.image in project cryptomator by cryptomator.

the class ExitUtil method createTrayIcon.

private TrayIcon createTrayIcon(Runnable exitCommand) {
    final PopupMenu popup = new PopupMenu();
    final MenuItem showItem = new MenuItem(localization.getString("tray.menu.open"));
    showItem.addActionListener(this::restoreFromTray);
    popup.add(showItem);
    final MenuItem exitItem = new MenuItem(localization.getString("tray.menu.quit"));
    exitItem.addActionListener(e -> exitCommand.run());
    popup.add(exitItem);
    final Image image;
    if (SystemUtils.IS_OS_MAC_OSX && isMacMenuBarDarkMode()) {
        image = Toolkit.getDefaultToolkit().getImage(getClass().getResource("/tray_icon_mac_white.png"));
    } else if (SystemUtils.IS_OS_MAC_OSX) {
        image = Toolkit.getDefaultToolkit().getImage(getClass().getResource("/tray_icon_mac_black.png"));
    } else {
        image = Toolkit.getDefaultToolkit().getImage(getClass().getResource("/tray_icon.png"));
    }
    return new TrayIcon(image, localization.getString("app.name"), popup);
}

Example 5 with java.awt.image

use of java.awt.image in project EnrichmentMapApp by BaderLab.

the class SwingUtil method resizeIcon.

public static ImageIcon resizeIcon(final ImageIcon icon, int width, int height) {
    final Image img = icon.getImage().getScaledInstance(width, height, Image.SCALE_AREA_AVERAGING);
    final BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
    final Graphics2D g = bi.createGraphics();
    g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g.drawImage(img, 0, 0, width, height, null);
    g.dispose();
    return new ImageIcon(bi);
}