Example usage for java.awt Graphics fillOval

Introduction

In this page you can find the example usage for java.awt Graphics fillOval.

Prototype

public abstract void fillOval(int x, int y, int width, int height);

Source Link

Document

Fills an oval bounded by the specified rectangle with the current color.

Usage

From source file:MainClass.java

public void paint(Graphics g) {

    Graphics2D g2 = (Graphics2D) g;

    RenderingHints rh = g2.getRenderingHints();
    rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setRenderingHints(rh);//from  w  w w . j  a v a2s .co m

    int x = 40, y = 40;

    g.setColor(Color.red);
    g.fillOval(x, y, 50, 50);

    Composite old = g2.getComposite();

    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.DST_IN));

    g.setColor(Color.green);
    g.fillOval(x + 30, y + 30, 30, 30);

    g2.setComposite(old);

    g.setColor(Color.black);
    g.drawString("AlphaComposite.DST_IN", x, y + 80);

}

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From source file:MainClass.java

public void paint(Graphics g) {

    Graphics2D g2 = (Graphics2D) g;

    RenderingHints rh = g2.getRenderingHints();
    rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setRenderingHints(rh);//  w  w w. j  a  v  a  2s  .  co  m

    int x = 40, y = 40;

    g.setColor(Color.red);
    g.fillOval(x, y, 50, 50);

    Composite old = g2.getComposite();

    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.DST_OVER));

    g.setColor(Color.green);
    g.fillOval(x + 30, y + 30, 30, 30);

    g2.setComposite(old);

    g.setColor(Color.black);
    g.drawString("AlphaComposite.DST_OVER", x, y + 80);

}

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From source file:MainClass.java

public void paint(Graphics g) {

    Graphics2D g2 = (Graphics2D) g;

    RenderingHints rh = g2.getRenderingHints();
    rh.put(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
    g2.setRenderingHints(rh);/*from   w ww. jav  a 2s.  c  o  m*/

    int x = 40, y = 40;

    g.setColor(Color.red);
    g.fillOval(x, y, 50, 50);

    Composite old = g2.getComposite();

    g2.setComposite(AlphaComposite.getInstance(AlphaComposite.CLEAR));

    g.setColor(Color.green);
    g.fillOval(x + 30, y + 30, 30, 30);

    g2.setComposite(old);

    g.setColor(Color.black);
    g.drawString("AlphaComposite.CLEAR", x, y + 80);

}

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From source file:MyCanvas.java

public void paintComponent(Graphics g) {
    super.paintComponent(g);

    // draw entire component white
    g.setColor(Color.white);/*from w w w.jav  a 2s  . com*/
    g.fillRect(0, 0, getWidth(), getHeight());

    // yellow circle
    g.setColor(Color.yellow);
    g.fillOval(0, 0, 240, 240);

    // magenta circle
    g.setColor(Color.magenta);
    g.fillOval(160, 160, 240, 240);

    // paint the icon below blue sqaure
    int w = java2sLogo.getIconWidth();
    int h = java2sLogo.getIconHeight();
    java2sLogo.paintIcon(this, g, 280 - (w / 2), 120 - (h / 2));

    // paint the icon below red sqaure
    java2sLogo.paintIcon(this, g, 120 - (w / 2), 280 - (h / 2));

    // transparent red square
    g.setColor(m_tRed);
    g.fillRect(60, 220, 120, 120);

    // transparent green circle
    g.setColor(m_tGreen);
    g.fillOval(140, 140, 120, 120);

    // transparent blue square
    g.setColor(m_tBlue);
    g.fillRect(220, 60, 120, 120);

    g.setColor(Color.black);

    g.setFont(monoFont);
    FontMetrics fm = g.getFontMetrics();
    w = fm.stringWidth("Java Source");
    h = fm.getAscent();
    g.drawString("Java Source", 120 - (w / 2), 120 + (h / 4));

    g.setFont(sanSerifFont);
    fm = g.getFontMetrics();
    w = fm.stringWidth("and");
    h = fm.getAscent();
    g.drawString("and", 200 - (w / 2), 200 + (h / 4));

    g.setFont(serifFont);
    fm = g.getFontMetrics();
    w = fm.stringWidth("Support.");
    h = fm.getAscent();
    g.drawString("Support.", 280 - (w / 2), 280 + (h / 4));
}

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From source file:ColorsBeanInfo.java

public void paint(Graphics g) {
        Dimension d = getSize();//from  w ww .  j  a v  a 2s.c  o  m
        int h = d.height;
        int w = d.width;
        g.setColor(color);
        if (rectangular) {
            g.fillRect(0, 0, w - 1, h - 1);
        } else {
            g.fillOval(0, 0, w - 1, h - 1);
        }
    }

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From source file:com.jcraft.weirdx.Draw.java

private static void drawThickLine(Graphics graphics, int x1, int y1, int x2, int y2, int linewidth) {
    --linewidth;/*from ww w  .ja v a 2s  . c  om*/
    int lw2 = linewidth / 2;
    graphics.fillOval(x1 - lw2, y1 - lw2, linewidth, linewidth);
    if (x1 == x2 && y1 == y2)
        return;
    if (Math.abs(x2 - x1) > Math.abs(y2 - y1)) {
        int dy, srow;
        int dx, col, row, prevrow;
        if (x2 > x1)
            dx = 1;
        else
            dx = -1;
        dy = (y2 - y1) * 8192 / Math.abs(x2 - x1);
        prevrow = row = y1;
        srow = row * 8192 + 8192 / 2;
        col = x1;
        while (true) {
            if (row != prevrow) {
                graphics.drawOval(col - lw2, prevrow - lw2, linewidth, linewidth);
                prevrow = row;
            }
            graphics.drawOval(col - lw2, row - lw2, linewidth, linewidth);
            if (col == x2)
                break;
            srow += dy;
            row = srow / 8192;
            col += dx;
        }
    } else {
        int dx, scol;
        int dy, col, row, prevcol;
        if (y2 > y1)
            dy = 1;
        else
            dy = -1;
        dx = (x2 - x1) * 8192 / Math.abs(y2 - y1);
        row = y1;
        prevcol = col = x1;
        scol = col * 8192 + 8192 / 2;
        while (true) {
            if (col != prevcol) {
                graphics.drawOval(prevcol - lw2, row - lw2, linewidth, linewidth);
                prevcol = col;
            }
            graphics.drawOval(col - lw2, row - lw2, linewidth, linewidth);
            if (row == y2)
                break;
            row += dy;
            scol += dx;
            col = scol / 8192;
        }
    }
}

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From source file:com.google.code.facebook.graph.sna.applet.DrawnIconVertexDemo.java

public DrawnIconVertexDemo() {

    // create a simple graph for the demo
    graph = new DirectedSparseGraph<Integer, Number>();
    Integer[] v = createVertices(10);
    createEdges(v);/*from   w ww .j a va2s .  c om*/

    vv = new VisualizationViewer<Integer, Number>(new FRLayout<Integer, Number>(graph));
    vv.getRenderContext().setVertexLabelTransformer(new Transformer<Integer, String>() {

        public String transform(Integer v) {
            return "Vertex " + v;
        }
    });
    vv.getRenderContext().setVertexLabelRenderer(new DefaultVertexLabelRenderer(Color.cyan));
    vv.getRenderContext().setEdgeLabelRenderer(new DefaultEdgeLabelRenderer(Color.cyan));

    vv.getRenderContext().setVertexIconTransformer(new Transformer<Integer, Icon>() {

        /*
         * Implements the Icon interface to draw an Icon with background color and
         * a text label
         */
        public Icon transform(final Integer v) {
            return new Icon() {

                public int getIconHeight() {
                    return 20;
                }

                public int getIconWidth() {
                    return 20;
                }

                public void paintIcon(Component c, Graphics g, int x, int y) {
                    if (vv.getPickedVertexState().isPicked(v)) {
                        g.setColor(Color.yellow);
                    } else {
                        g.setColor(Color.red);
                    }
                    g.fillOval(x, y, 20, 20);
                    if (vv.getPickedVertexState().isPicked(v)) {
                        g.setColor(Color.black);
                    } else {
                        g.setColor(Color.white);
                    }
                    g.drawString("" + v, x + 6, y + 15);

                }
            };
        }
    });

    vv.getRenderContext().setVertexFillPaintTransformer(
            new PickableVertexPaintTransformer<Integer>(vv.getPickedVertexState(), Color.white, Color.yellow));
    vv.getRenderContext().setEdgeDrawPaintTransformer(
            new PickableEdgePaintTransformer<Number>(vv.getPickedEdgeState(), Color.black, Color.lightGray));

    vv.setBackground(Color.white);

    // add my listener for ToolTips
    vv.setVertexToolTipTransformer(new ToStringLabeller<Integer>());

    // create a frome to hold the graph
    final JFrame frame = new JFrame();
    Container content = frame.getContentPane();
    final GraphZoomScrollPane panel = new GraphZoomScrollPane(vv);
    content.add(panel);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    final ModalGraphMouse gm = new DefaultModalGraphMouse<Integer, Number>();
    vv.setGraphMouse(gm);

    final ScalingControl scaler = new CrossoverScalingControl();

    JButton plus = new JButton("+");
    plus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1.1f, vv.getCenter());
        }
    });
    JButton minus = new JButton("-");
    minus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1 / 1.1f, vv.getCenter());
        }
    });

    JPanel controls = new JPanel();
    controls.add(plus);
    controls.add(minus);
    controls.add(((DefaultModalGraphMouse<Integer, Number>) gm).getModeComboBox());
    content.add(controls, BorderLayout.SOUTH);

    frame.pack();
    frame.setVisible(true);
}

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From source file:edu.uci.ics.jung.samples.DrawnIconVertexDemo.java

@SuppressWarnings("unchecked")
public DrawnIconVertexDemo() {

    // create a simple graph for the demo
    graph = new DirectedSparseGraph<Integer, Number>();
    Integer[] v = createVertices(10);
    createEdges(v);//from  www. j av a 2s  . c  o  m

    vv = new VisualizationViewer<Integer, Number>(new FRLayout<Integer, Number>(graph));
    vv.getRenderContext().setVertexLabelTransformer(new Transformer<Integer, String>() {

        public String transform(Integer v) {
            return "Vertex " + v;
        }
    });
    vv.getRenderContext().setVertexLabelRenderer(new DefaultVertexLabelRenderer(Color.cyan));
    vv.getRenderContext().setEdgeLabelRenderer(new DefaultEdgeLabelRenderer(Color.cyan));

    vv.getRenderContext().setVertexIconTransformer(new Transformer<Integer, Icon>() {

        /*
         * Implements the Icon interface to draw an Icon with background color and
         * a text label
         */
        public Icon transform(final Integer v) {
            return new Icon() {

                public int getIconHeight() {
                    return 20;
                }

                public int getIconWidth() {
                    return 20;
                }

                public void paintIcon(Component c, Graphics g, int x, int y) {
                    if (vv.getPickedVertexState().isPicked(v)) {
                        g.setColor(Color.yellow);
                    } else {
                        g.setColor(Color.red);
                    }
                    g.fillOval(x, y, 20, 20);
                    if (vv.getPickedVertexState().isPicked(v)) {
                        g.setColor(Color.black);
                    } else {
                        g.setColor(Color.white);
                    }
                    g.drawString("" + v, x + 6, y + 15);

                }
            };
        }
    });

    vv.getRenderContext().setVertexFillPaintTransformer(
            new PickableVertexPaintTransformer<Integer>(vv.getPickedVertexState(), Color.white, Color.yellow));
    vv.getRenderContext().setEdgeDrawPaintTransformer(
            new PickableEdgePaintTransformer<Number>(vv.getPickedEdgeState(), Color.black, Color.lightGray));

    vv.setBackground(Color.white);

    // add my listener for ToolTips
    vv.setVertexToolTipTransformer(new ToStringLabeller<Integer>());

    // create a frome to hold the graph
    final JFrame frame = new JFrame();
    Container content = frame.getContentPane();
    final GraphZoomScrollPane panel = new GraphZoomScrollPane(vv);
    content.add(panel);
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    final ModalGraphMouse gm = new DefaultModalGraphMouse<Integer, Number>();
    vv.setGraphMouse(gm);

    final ScalingControl scaler = new CrossoverScalingControl();

    JButton plus = new JButton("+");
    plus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1.1f, vv.getCenter());
        }
    });
    JButton minus = new JButton("-");
    minus.addActionListener(new ActionListener() {
        public void actionPerformed(ActionEvent e) {
            scaler.scale(vv, 1 / 1.1f, vv.getCenter());
        }
    });

    JPanel controls = new JPanel();
    controls.add(plus);
    controls.add(minus);
    controls.add(((DefaultModalGraphMouse<Integer, Number>) gm).getModeComboBox());
    content.add(controls, BorderLayout.SOUTH);

    frame.pack();
    frame.setVisible(true);
}

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From source file:ColorVariousObjects.java

public void paint(Graphics g) {
    Color c1 = new Color(255, 100, 100);
    Color c2 = new Color(100, 255, 100);
    Color c3 = new Color(100, 100, 255);

    g.setColor(c1);//from w  w w . j a  va2  s. com
    g.drawLine(0, 0, 100, 100);
    g.drawLine(0, 100, 100, 0);

    g.setColor(c2);
    g.drawLine(40, 25, 250, 180);
    g.drawLine(75, 90, 400, 400);

    g.setColor(c3);
    g.drawLine(20, 150, 400, 40);
    g.drawLine(5, 290, 80, 19);

    g.setColor(Color.red);
    g.drawOval(10, 10, 50, 50);
    g.fillOval(70, 90, 140, 100);

    g.setColor(Color.blue);
    g.drawOval(190, 10, 90, 30);
    g.drawRect(10, 10, 60, 50);

    g.setColor(Color.cyan);
    g.fillRect(100, 10, 60, 50);
    g.drawRoundRect(190, 10, 60, 50, 15, 15);
}

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From source file:com.cburch.logisim.circuit.appear.AppearancePort.java

@Override
public void paint(Graphics g, HandleGesture gesture) {
    Location location = getLocation();
    int x = location.getX();
    int y = location.getY();
    g.setColor(COLOR);/*from  w w  w . j a  va2s .  co m*/
    if (isInput()) {
        int r = INPUT_RADIUS;
        g.drawRect(x - r, y - r, 2 * r, 2 * r);
    } else {
        int r = OUTPUT_RADIUS;
        g.drawOval(x - r, y - r, 2 * r, 2 * r);
    }
    g.fillOval(x - MINOR_RADIUS, y - MINOR_RADIUS, 2 * MINOR_RADIUS, 2 * MINOR_RADIUS);
}

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