java.awt.geom.Ellipse2D$Float java code examples

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 g.setColor(Color.lightGray);
} else {
 g.setColor(getBackground());
g.fillOval(0, 0, getSize().width-1, 
 getSize().height-1);
 !shape.getBounds().equals(getBounds())) {
 shape = new Ellipse2D.Float(0, 0, 
  getWidth(), getHeight());
JFrame frame = new JFrame();
frame.getContentPane().setBackground(Color.yellow);
frame.getContentPane().add(button);
frame.getContentPane().setLayout(new FlowLayout());
frame.setSize(150, 150);
frame.setVisible(true);

  JFrame frame = new JFrame();
  frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  frame.setLayout(new BorderLayout());
  frame.add(new TestPane());
  frame.pack();
Graphics2D g2d = buffer.createGraphics();
Ellipse2D circle = new Ellipse2D.Float(0, 0, radius, radius);
Shape clip = g2d.getClip();
g2d.setClip(circle);
AffineTransform at = g2d.getTransform();
g2d.setTransform(AffineTransform.getRotateInstance(Math.toRadians(33), radius / 2, radius / 2));
int gap = getWidth() / 10;
g2d.draw(circle);
g2d.dispose();
g.drawImage(buffer, x, y, this);

    JFrame frame = new JFrame("Testing");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(new TestPane());
    frame.pack();
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
        repaint();
  addMouseMotionListener(ma);
  addMouseListener(ma);
protected void paintComponent(Graphics g) {
  super.paintComponent(g);
  Graphics2D g2d = (Graphics2D) g.create();
  g2d.setColor(Color.RED);
  for (List<Point> group : points) {
    Point previous = null;
      g2d.fill(new Ellipse2D.Float(p.x - 2, p.y - 2, 4, 4));
      if (previous != null) {
        g2d.draw(new Line2D.Float(previous, p));
  g2d.dispose();

g.setColor(FILL_COLOR);
g.fillRect(ins.left, ins.top,
    getWidth()  - ins.left - ins.right,
    getHeight() - ins.top - ins.bottom);
g.setColor(ColorUtil.setBrightness(FILL_COLOR,0.85f));
g.drawRect(ins.left, ins.top,
    getWidth() - ins.left - ins.right - 1,
  g2.setRenderingHint(KEY_ANTIALIASING, VALUE_ANTIALIAS_ON);
  g2.setColor(Color.LIGHT_GRAY);
  final int DIAM = Math.min(getWidth(), getHeight());
  final int inset = 3;
  g2.fill(new Ellipse2D.Float(inset, inset, DIAM-2*inset, DIAM-2*inset));
  g2.setColor(FILL_COLOR);
  final int border = 1;
  g2.fill(new Ellipse2D.Float(inset+border, inset+border, DIAM-2*inset-2*border, DIAM-2*inset-2*border));
} finally {
  g2.dispose();

  public void actionPerformed(ActionEvent e) {
    number = (int) (Math.round((Math.random() * 5) + 1));
    repaint();
g2d.setColor(Color.WHITE);
g2d.fillRect(0, 0, width, height);
g2d.setColor(Color.BLACK);
g2d.drawRoundRect(10, 10, width - 20, height - 20, 50, 50);
  int x = (width - 20) / 2;
  int y = (height - 20) / 2;
  dots.add(new Ellipse2D.Float(x, y, 20, 20));
  dots.add(new Ellipse2D.Float(x, y, 20, 20));
  dots.add(new Ellipse2D.Float(x + (width / 2), y + (height / 2), 20, 20));
  dots.add(new Ellipse2D.Float(x, y, 20, 20));
  dots.add(new Ellipse2D.Float(x - (width / 2), y + (height / 2), 20, 20));
  dots.add(new Ellipse2D.Float(x, y, 20, 20));
  dots.add(new Ellipse2D.Float(x + (width / 2), y, 20, 20));
  g2d.fill(dot);

  JFrame frame = new JFrame();
  frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  frame.setLayout(new BorderLayout());
  frame.add(new TestPane());
  frame.pack();
  frame.setLocationRelativeTo(null);
  frame.setVisible(true);
rh.put(RenderingHints.KEY_DITHERING,RenderingHints.VALUE_DITHER_ENABLE);
rh.put(RenderingHints.KEY_COLOR_RENDERING,RenderingHints.VALUE_COLOR_RENDER_QUALITY);
g2d.setRenderingHints(rh);
Ellipse2D circle = new Ellipse2D.Float(0, 0, radius,radius);
Shape clip = g2d.getClip();
g2d.setClip(circle);
AffineTransform at = g2d.getTransform();
g2d.setTransform(AffineTransform.getRotateInstance(Math.toRadians(45),radius / 2, radius / 2));
g2d.setColor(Color.WHITE);
g2d.fill(circle);

  backgroundPane.setLayout(new BorderLayout());
  backgroundPane.add(new TranslucentPane());
  int x = (width - bg.getWidth()) / 2;
  int y = (height - bg.getHeight()) / 2;
  g.drawImage(bg, x, y, this);
super.paintComponent(g);
Rectangle fill = new Rectangle(getWidth(), getHeight());
Graphics2D g2d = (Graphics2D) g.create();
int y = (height - radius) / 2;
Ellipse2D hole = new Ellipse2D.Float(x, y, radius, radius);
g2d.setColor(getBackground());
g2d.fill(area);
g2d.setColor(Color.RED);
g2d.setComposite(AlphaComposite.SrcOver.derive(0.25f));
g2d.fill(hole);
g2d.dispose();

  JFrame frame = new JFrame("Testing");
  frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  frame.setLayout(new BorderLayout());
  frame.add(new TestPane());
  frame.pack();
  frame.setLocationRelativeTo(null);
  frame.setVisible(true);
addMouseMotionListener(new MouseAdapter() {
  @Override
  public void mouseMoved(MouseEvent e) {
    mousePoint = e.getPoint();
    repaint();
  int y = (getHeight() - img.getHeight()) / 2;
  g2d.drawImage(img, x, y, this);
  Ellipse2D spot = new Ellipse2D.Float(
      (float) x - (RADIUS / 2f),
      (float) y - (RADIUS / 2f),
  area.subtract(new Area(spot));
  g2d.setColor(Color.BLACK);
  g2d.fill(area);

    JFrame frame = new JFrame("Test");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.setLayout(new BorderLayout());
    frame.add(new TestPane());
    frame.pack();
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
protected void paintComponent(Graphics g) {
  super.paintComponent(g);
  Graphics2D g2d = (Graphics2D) g.create();
  g2d.setRenderingHint(RenderingHints.KEY_ALPHA_INTERPOLATION, RenderingHints.VALUE_ALPHA_INTERPOLATION_QUALITY);
  g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
  g2d.setRenderingHint(RenderingHints.KEY_COLOR_RENDERING, RenderingHints.VALUE_COLOR_RENDER_QUALITY);
  g2d.setRenderingHint(RenderingHints.KEY_DITHERING, RenderingHints.VALUE_DITHER_ENABLE);
  g2d.setRenderingHint(RenderingHints.KEY_FRACTIONALMETRICS, RenderingHints.VALUE_FRACTIONALMETRICS_ON);
    alpha = 255 - Math.round(range * progress);
    Color color = new Color(0, 0, 0, alpha);
    g2d.setColor(color);
    int y = (getHeight() - radius) / 2;
    g2d.draw(new Ellipse2D.Float(x, y, radius, radius));
  g2d.dispose();

frame = new JFrame();
frame.setBounds(100, 100, 512, 399);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
panel.setLayout(new BorderLayout());
panel.add(grafik);
  public void actionPerformed(ActionEvent arg0) {
    grafik.setEllipseVisible(true);
    panel.repaint();
btnPanel.add(btnNes);
panel.add(btnPanel, BorderLayout.SOUTH);
frame.setContentPane(panel);
if (isEllipseVisible()) {
  Graphics2D g2 = (Graphics2D) g;
  g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
  Ellipse2D circ = new Ellipse2D.Float(x, y, r, r);
  g2.setColor(Color.RED);
  g2.draw(circ);

  JFrame frame = new JFrame();
  frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
  frame.setLayout(new BorderLayout());
  frame.add(new TestPane());
  frame.pack();
  frame.setLocationRelativeTo(null);
  frame.setVisible(true);
Ellipse2D circle = new Ellipse2D.Float(0, 0, radius, radius);
Area lines = new Area();
g2d.setTransform(AffineTransform.getRotateInstance(Math.toRadians(45), radius / 2, radius / 2));
g2d.setRenderingHints(rh);
g2d.setColor(Color.ORANGE);
g2d.fill(linesCutToCircle);
g2d.setColor(Color.RED);
g2d.fill(circleNoLines);
g2d.dispose();
g.drawImage(buffer, 0, 0, this);

setSize(300, 300);
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setLocationRelativeTo(null);
getContentPane().add(new DrawingPanel());
setVisible(true);
saveComponentAsJPEG(this, "C:/test.jpg");
Dimension size = myComponent.getSize();
BufferedImage myImage = new BufferedImage(size.width, size.height, BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = myImage.createGraphics();
myComponent.paint(g2);
try {
  OutputStream out = new FileOutputStream(filename);
  Graphics2D g2d = (Graphics2D) grphcs;
  RenderingHints rhints = g2d.getRenderingHints();
  boolean antialiasOn = rhints.containsValue(RenderingHints.VALUE_ANTIALIAS_ON);
    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
  Shape circle = new Ellipse2D.Float(100.0f, 100.0f, 100.0f, 100.0f);
  g2d.setColor(Color.RED);
  g2d.draw(circle);
  g2d.fill(circle);

private final Shape secondShape = new Ellipse2D.Float(30, 30, 90, 50);
private Shape selected = null;
  addMouseMotionListener(new MouseMotionAdapter() {
    @Override public void mouseDragged (MouseEvent event) {
      selectShapeUnder(event.getX(), event.getY());
  addMouseListener(new MouseAdapter() {
    @Override public void mousePressed (MouseEvent event) {
      selectShapeUnder(event.getX(), event.getY());
  graphics.setColor((selected == firstShape) ? Color.YELLOW : Color.RED);
  graphics.fill(firstShape);
  graphics.setColor((selected == secondShape) ? Color.YELLOW : Color.GREEN);
  graphics.fill(secondShape);
    selected = null;
  if (selected != oldSelected)
    repaint();
  SwingUtilities.invokeLater(new Runnable() {
    @Override public void run () {
      JFrame frame = new JFrame("Shape Select");
      frame.getContentPane().add(new ShapeSelect(), BorderLayout.CENTER);
      frame.pack();
      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
      frame.setLocationRelativeTo(null);
      frame.setVisible(true);

this.img = image;
setLayout(new GridBagLayout());
add(new JButton(new StartAction("Start", KeyEvent.VK_S)));
Shape shape = new Ellipse2D.Float(0, 0, w, h);
AWTUtilities.setWindowShape(window, shape);
AWTUtilities.setWindowOpaque(window, false);
super.paintComponent(g);
if (img != null) {
  g.drawImage(img, 0, 0, this);
if (isPreferredSizeSet() || img == null) {
  return super.getPreferredSize();
  window.dispose();
JFrame frame = new JFrame();
frame.setUndecorated(true);
URL imgUrl = MainPanelOvalFrame.class.getResource(RESOURCE_PATH);
MainPanelOvalFrame mainPanel = new MainPanelOvalFrame(frame, image);

    JFrame frame = new JFrame("Testing");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    frame.add(new FishBowel());
    frame.pack();
    frame.setLocationRelativeTo(null);
    frame.setVisible(true);
protected void paintComponent(Graphics g) {
  super.paintComponent(g);
  Graphics2D g2d = (Graphics2D) g.create();
  for (Fish fish : fishes) {
    fish.paint(g2d);
  g2d.dispose();
  fish = new Ellipse2D.Float(bounds.x, bounds.y, bounds.width, bounds.height);
  g2d.setColor(getColor());
  g2d.fill(fish);

JFrame f = new JFrame("Test");
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.add(new JPanel() {
  private static final int N = 8;
  private final Ellipse2D ellipse = new Ellipse2D.Float();
    super.paintComponent(g);
    Graphics2D g2d = (Graphics2D) g;
    g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
      RenderingHints.VALUE_ANTIALIAS_ON);
    g2d.setRenderingHint(RenderingHints.KEY_STROKE_CONTROL,
      RenderingHints.VALUE_STROKE_PURE);
    g2d.setStroke(new BasicStroke(N));
    ellipse.setFrame(N, N, getWidth() - 2 * N, getHeight() - 2 * N);
    g2d.draw(ellipse);
f.pack();
f.setLocationRelativeTo(null);
f.setVisible(true);

JFrame frame = new JFrame("FlatteningPathIterator test");
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
Shape s=new Ellipse2D.Float(10,10,200,100);
PaintPanel app = new PaintPanel(s);
JScrollPane scroll = new JScrollPane(app);
frame.getContentPane().add(scroll);
frame.setSize(400, 300);
frame.setLocationRelativeTo(null);
frame.setVisible(true);
        index=0;
      repaint();
  super.paintComponent(g);
  g.setColor(Color.blue);
  Point p=points.get(index);
  g.fillOval(p.x, p.y, 5,5);

super(label);
setSize(width, height);
  public void actionPerformed(ActionEvent e) {
    System.out.println("klick");
    setSize(new Dimension(width--, height--));
  System.out.println(width + " " + height);
  g.setColor(Color.RED);
} else {
  g.setColor(Color.yellow);
g.fillOval(0, 0, getSize().width - 1, getSize().height - 1);
if (shape == null || !shape.getBounds().equals(getBounds())) {
  shape = new Ellipse2D.Float(0, 0, getWidth(), getHeight());
f = new JFrame();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.setLocationRelativeTo(null);
f.setSize(200, 200);
f.add(new test2("label"));
f.setLayout(new BorderLayout());
f.setVisible(true);

  this.setSize(300, 300);
  this.setDefaultCloseOperation(EXIT_ON_CLOSE);
  this.add(new CirclePanel(diameter));
  this.setVisible(true);
public void paintComponent(Graphics g) {
  int panelWidth = this.getSize().width;
  int panelHeight = this.getSize().height;
  comp2D.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
  comp2D.setStroke(new BasicStroke(1f));
  comp2D.setPaint(Color.white);
  Ellipse2D.Float e1 = new Ellipse2D.Float((panelWidth / 2) - (diameter / 2), (panelHeight / 2) - (diameter / 2), diameter, diameter);
  comp2D.draw(e1);

  protected void paintComponent(Graphics g) {
    super.paintComponent(g);
    circle = new Ellipse2D.Float(100, 20, width, height);
    Graphics2D graphics = (Graphics2D)g.create();
    graphics.draw(circle);
    JSlider slider = (JSlider)e.getSource();
    width = slider.getValue();
    drawPane.repaint();
    JSlider slider = (JSlider)e.getSource();
    height = slider.getValue();
    drawPane.repaint();
content.add(widthSlider, BorderLayout.NORTH);
content.add(drawPane, BorderLayout.CENTER);
content.add(heightSlider, BorderLayout.WEST);
JFrame frame = new JFrame("Demo");
frame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
frame.setContentPane(content);
frame.pack();
frame.setLocationRelativeTo(null);
frame.setVisible(true);

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How to useEllipse2D$Float in java.awt.geom

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How to use
Ellipse2D$Float
in
java.awt.geom