Example usage for javax.swing JLabel JLabel

Introduction

In this page you can find the example usage for javax.swing JLabel JLabel.

Prototype

public JLabel(Icon image) 

Source Link

Document

Creates a JLabel instance with the specified image.

Usage

From source file:Main.java

public static void main(String[] args) throws AWTException {
    Runnable r = new Runnable() {
        @Override// w  ww. j a v  a 2 s. c o m
        public void run() {
            try {
                URL url = new URL("http://www.java2s.com/style/download.png");
                BufferedImage bi = ImageIO.read(url);
                JPanel gui = new JPanel(new GridLayout(1, 2, 2, 2));

                gui.add(new JLabel(new ImageIcon(bi)));
                gui.add(new JLabel(new ImageIcon(getFlippedImage(bi))));

                JOptionPane.showMessageDialog(null, gui);
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    };
    SwingUtilities.invokeLater(r);
}

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From source file:Main.java

public static void main(String[] args) {
    JFrame f = new JFrame();
    JPanel panel = new JPanel();
    JTextPane textPane = new JTextPane();
    JTextField tf = new JTextField("is");
    String word = "";
    Highlighter highlighter = new UnderlineHighlighter(null);

    textPane.setHighlighter(highlighter);
    textPane.setText("This is a test");
    panel.setLayout(new BorderLayout());
    panel.add(new JLabel("Enter word, then press ENTER key: "), "West");
    panel.add(tf, "Center");

    final WordSearcher searcher = new WordSearcher(textPane);
    tf.addActionListener(e -> {//from  w  w  w. j  av a2  s.  c  o m
        String w = tf.getText().trim();
        int offset = searcher.search(w);
        if (offset == -1) {
            return;
        }
        try {
            textPane.scrollRectToVisible(textPane.modelToView(offset));
        } catch (BadLocationException ex) {
        }

    });
    textPane.getDocument().addDocumentListener(new DocumentListener() {
        @Override
        public void insertUpdate(DocumentEvent evt) {
            searcher.search(word);
        }

        @Override
        public void removeUpdate(DocumentEvent evt) {
            searcher.search(word);
        }

        @Override
        public void changedUpdate(DocumentEvent evt) {
        }
    });
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    f.add(panel, "South");
    f.add(new JScrollPane(textPane), "Center");
    f.setSize(400, 400);
    f.setVisible(true);
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    Object[][] data = { { "A", new Integer(3), new Double(7.23), new Boolean(true) },
            { "J", new Integer(2), new Double(4.64), new Boolean(false) },
            { "S", new Integer(1), new Double(8.81), new Boolean(true) } };

    String[] columns = { "Col", "Col", "Col", "Col" };

    JTable table = new JTable(data, columns);
    JScrollPane scroll = new JScrollPane(table);

    JFrame f = new JFrame();
    f.setContentPane(scroll);//from   w w w. j  av  a 2s.  c o m
    f.pack();

    int x = (int) table.getTableHeader().getSize().getWidth();
    int y = (int) table.getTableHeader().getSize().getHeight() + (int) table.getSize().getHeight();

    BufferedImage bi = new BufferedImage((int) x, (int) y, BufferedImage.TYPE_INT_RGB);

    Graphics g = bi.createGraphics();
    table.getTableHeader().paint(g);
    g.translate(0, table.getTableHeader().getHeight());
    table.paint(g);
    g.dispose();

    JOptionPane.showMessageDialog(null, new JLabel(new ImageIcon(bi)));
    ImageIO.write(bi, "png", new File("c:/Java_Dev/table.png"));

    System.exit(0);
}

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From source file:SampleSliders.java

public static void main(String args[]) {
    String title = (args.length == 0 ? "Sample Slider" : args[0]);
    JFrame f = new JFrame(title);
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    JSlider js1 = new JSlider();
    js1.putClientProperty("JSlider.isFilled", Boolean.TRUE);
    JSlider js2 = new JSlider();
    js2.setMajorTickSpacing(25);/*from w w  w .  j a  v  a2 s.c  o  m*/
    js2.setPaintTicks(true);
    js2.setSnapToTicks(true);
    JSlider js3 = new JSlider(JSlider.VERTICAL);
    js3.setPaintTrack(false);
    js3.setMinorTickSpacing(5);
    js3.setMajorTickSpacing(10);
    js3.setPaintTicks(true);
    js3.setPaintLabels(true);
    js3.setSnapToTicks(true);
    JSlider js4 = new JSlider(JSlider.VERTICAL);
    Hashtable table = new Hashtable();
    table.put(new Integer(0), new JLabel(new DiamondIcon(Color.red)));
    table.put(new Integer(10), new JLabel("Ten"));
    table.put(new Integer(25), new JLabel("Twenty-Five"));
    table.put(new Integer(34), new JLabel("Thirty-Four"));
    table.put(new Integer(52), new JLabel("Fifty-Two"));
    table.put(new Integer(70), new JLabel("Seventy"));
    table.put(new Integer(82), new JLabel("Eighty-Two"));
    table.put(new Integer(100), new JLabel(new DiamondIcon(Color.black)));
    js4.setLabelTable(table);
    js4.setPaintLabels(true);
    js4.setSnapToTicks(true);
    Container c = f.getContentPane();
    c.add(js1, BorderLayout.NORTH);
    c.add(js2, BorderLayout.SOUTH);
    c.add(js3, BorderLayout.WEST);
    c.add(js4, BorderLayout.EAST);
    f.setSize(300, 200);
    f.setVisible(true);
}

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From source file:RegexPatternFormatter.java

public static void main(String argv[]) {
    // a demo main() to show how RegexPatternFormatter could be used

    JLabel lab1 = new JLabel("even length strings:");
    java.util.regex.Pattern evenLength = java.util.regex.Pattern.compile("(..)*");
    JFormattedTextField ftf1 = new JFormattedTextField(new RegexPatternFormatter(evenLength));

    JLabel lab2 = new JLabel("no vowels:");
    java.util.regex.Pattern noVowels = java.util.regex.Pattern.compile("[^aeiou]*",
            java.util.regex.Pattern.CASE_INSENSITIVE);
    RegexPatternFormatter noVowelFormatter = new RegexPatternFormatter(noVowels);
    noVowelFormatter.setAllowsInvalid(false); // don't allow user to type
    // vowels//  w ww.  ja  v a  2  s . c o  m
    JFormattedTextField ftf2 = new JFormattedTextField(noVowelFormatter);

    JFrame f = new JFrame("RegexPatternFormatter Demo");
    f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JPanel pan1 = new JPanel(new java.awt.BorderLayout());
    pan1.add(lab1, java.awt.BorderLayout.WEST);
    pan1.add(ftf1, java.awt.BorderLayout.CENTER);
    lab1.setLabelFor(ftf1);
    f.getContentPane().add(pan1, java.awt.BorderLayout.NORTH);
    JPanel pan2 = new JPanel(new java.awt.BorderLayout());
    pan2.add(lab2, java.awt.BorderLayout.WEST);
    pan2.add(ftf2, java.awt.BorderLayout.CENTER);
    lab2.setLabelFor(ftf2);
    f.getContentPane().add(pan2, java.awt.BorderLayout.SOUTH);
    f.setSize(300, 80);
    f.setVisible(true);
}

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From source file:Main.java

public static void main(String[] args) {
    final int width = 512;
    final int height = 512;
    BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_4BYTE_ABGR);
    Graphics g = img.getGraphics();
    g.setColor(Color.black);//  w w  w.  j ava  2s  . c om
    g.fillRect(0, 0, width, height);
    g.setColor(Color.white);
    final double A = 8;
    final double B = 0.5;
    final double N = 4;
    final double scale = 128;
    final double zoom = 50;
    final double step = 1 / scale;
    Point last = null;
    final Point origin = new Point(width / 2, height / 2);

    for (double t = 0; t <= 2 * Math.PI; t += step) {
        final double r = zoom * polarFunction(t, A, B, N);
        final int x = (int) Math.round(r * Math.cos(t));
        final int y = (int) Math.round(r * Math.sin(t));
        Point next = new Point(x, y);
        if (last != null) {
            g.drawLine(origin.x + last.x, origin.y + last.y, origin.x + next.x, origin.y + next.y);
        }
        last = next;
    }

    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.getContentPane().add(new JLabel(new ImageIcon(img)));
    frame.pack();
    frame.setVisible(true);
}

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From source file:MainClass.java

public static void main(String args[]) throws Exception {
    JFrame frame = new JFrame("TextPane Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    StyleContext context = new StyleContext();
    StyledDocument document = new DefaultStyledDocument(context);

    Style style = context.getStyle(StyleContext.DEFAULT_STYLE);
    StyleConstants.setAlignment(style, StyleConstants.ALIGN_RIGHT);
    StyleConstants.setFontSize(style, 14);
    StyleConstants.setSpaceAbove(style, 4);
    StyleConstants.setSpaceBelow(style, 4);

    SimpleAttributeSet attributes = new SimpleAttributeSet();
    StyleConstants.setBold(attributes, true);
    StyleConstants.setItalic(attributes, true);

    // Third style for icon/component
    Style labelStyle = context.getStyle(StyleContext.DEFAULT_STYLE);

    Icon icon = new ImageIcon("Computer.gif");
    JLabel label = new JLabel(icon);
    StyleConstants.setComponent(labelStyle, label);

    try {/*ww w . ja  v  a 2 s.  c o m*/
        document.insertString(document.getLength(), "Hello www.java2s.com", attributes);
        document.insertString(document.getLength(), "Ignored", labelStyle);
    } catch (BadLocationException badLocationException) {
        System.err.println("Oops");
    }

    JTextPane textPane = new JTextPane(document);
    textPane.setEditable(false);
    JScrollPane scrollPane = new JScrollPane(textPane);
    frame.add(scrollPane, BorderLayout.CENTER);

    frame.setSize(300, 150);
    frame.setVisible(true);
}

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From source file:Main.java

public static void main(String[] args) throws Exception {
    URL url = new URL("http://www.java2s.com/style/download.png");
    final BufferedImage bi = ImageIO.read(url);
    SwingUtilities.invokeLater(new Runnable() {
        @Override/*from ww  w  .  j av  a  2  s  .c  o m*/
        public void run() {
            int strokeWidth = 12;
            int pad = 50;
            Shape shape = new Rectangle(pad, pad, bi.getWidth() - (2 * pad), bi.getHeight() - (2 * pad));
            Image i = getStrokedImage(bi, shape, strokeWidth);
            JOptionPane.showMessageDialog(null, new JLabel(new ImageIcon(i)));
        }
    });
}

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From source file:com.rest.samples.getImagePrintJPanel.java

public static void main(String[] args) {
    // TODO code application logic here
    String url = "https://api.adorable.io/avatars/eyes5";
    try {//  w w w.  j a va  2 s. co  m
        HttpClient hc = HttpClientBuilder.create().build();
        HttpGet getMethod = new HttpGet(url);
        getMethod.addHeader("accept", "application/png");
        HttpResponse res = hc.execute(getMethod);
        if (res.getStatusLine().getStatusCode() != 200) {
            throw new RuntimeException("Failed : HTTP eror code: " + res.getStatusLine().getStatusCode());
        }

        InputStream is = res.getEntity().getContent();

        Image image = ImageIO.read(is);
        JFrame frame = new JFrame();
        JLabel label = new JLabel(new ImageIcon(image));
        frame.getContentPane().add(label, BorderLayout.CENTER);
        frame.pack();
        frame.setVisible(true);

    } catch (IOException ex) {
        Logger.getLogger(SamplesUseHttpclient.class.getName()).log(Level.SEVERE, null, ex);
    }
}

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From source file:Main.java

public static void main(String args[]) {
    JFrame frame = new JFrame("Popup Example");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    final JPopupMenu popup = new JPopupMenu();
    JMenuItem menuItem1 = new JMenuItem("Option 1");
    popup.add(menuItem1);//from www  .j ava2  s  .  co m

    JMenuItem menuItem2 = new JMenuItem("Option 2");
    popup.add(menuItem2);

    final JTextField textField = new JTextField();
    frame.add(textField, BorderLayout.NORTH);

    ActionListener actionListener = new ActionListener() {
        public void actionPerformed(ActionEvent actionEvent) {
            try {
                int dotPosition = textField.getCaretPosition();
                Rectangle popupLocation = textField.modelToView(dotPosition);
                popup.show(textField, popupLocation.x, popupLocation.y);
            } catch (BadLocationException badLocationException) {
                System.err.println("Oops");
            }
        }
    };
    KeyStroke keystroke = KeyStroke.getKeyStroke(KeyEvent.VK_PERIOD, 0, false);
    textField.registerKeyboardAction(actionListener, keystroke, JComponent.WHEN_FOCUSED);

    frame.add(new JLabel("Press '.' to activate Popup menu"), BorderLayout.SOUTH);
    frame.setSize(250, 150);
    frame.setVisible(true);
}

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