/* * @(#)Joins.java	1.27 04/07/26 *  * Copyright (c) 2004 Sun Microsystems, Inc. All Rights Reserved. *  * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: *  * -Redistribution of source code must retain the above copyright notice, this *  list of conditions and the following disclaimer. *  * -Redistribution in binary form must reproduce the above copyright notice,  *  this list of conditions and the following disclaimer in the documentation *  and/or other materials provided with the distribution. *  * Neither the name of Sun Microsystems, Inc. or the names of contributors may  * be used to endorse or promote products derived from this software without  * specific prior written permission. *  * This software is provided "AS IS," without a warranty of any kind. ALL  * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, INCLUDING * ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE * OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN") * AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE * AS A RESULT OF USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS * DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR ANY LOST  * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL,  * INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY  * OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE,  * EVEN IF SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. *  * You acknowledge that this software is not designed, licensed or intended * for use in the design, construction, operation or maintenance of any * nuclear facility. *//* * @(#)Joins.java	1.24 03/01/23 */package java2d.demos.Lines;import java.awt.*;import java.awt.event.*;import java.awt.geom.AffineTransform;import java.awt.geom.GeneralPath;import javax.swing.*;import javax.swing.border.*;import javax.swing.event.*;import java2d.ControlsSurface;import java2d.CustomControls;/** * BasicStroke join types and width sizes illustrated.  Control for * rendering a shape returned from BasicStroke.createStrokedShape(Shape). */public class Joins extends ControlsSurface implements ChangeListener {    protected int joinType = BasicStroke.JOIN_MITER;    protected float bswidth = 20.0f;    protected JSlider slider;    protected JLabel label;    public Joins() {        setBackground(Color.white);        slider = new JSlider(JSlider.VERTICAL, 0, 100, (int)(bswidth*2));        slider.setPreferredSize(new Dimension(15, 100));        slider.addChangeListener(this);        setControls(new Component[] { new DemoControls(this), slider });        setConstraints(new String[] { BorderLayout.NORTH, BorderLayout.WEST});    }    public void stateChanged(ChangeEvent e) {        // when using these sliders use double buffering, which means        // ignoring when DemoSurface.imageType = 'On Screen'        if (getImageType() <= 1) {            setImageType(2);        }        bswidth = (float) slider.getValue() / 2.0f;        label.setText(" Width = " + String.valueOf(bswidth));        label.repaint();        repaint();    }        public void render(int w, int h, Graphics2D g2) {        BasicStroke bs = new BasicStroke(bswidth,                                     BasicStroke.CAP_BUTT, joinType);        GeneralPath p = new GeneralPath();        p.moveTo(- w / 4.0f, - h / 12.0f);        p.lineTo(+ w / 4.0f, - h / 12.0f);        p.lineTo(- w / 6.0f, + h / 4.0f);        p.lineTo(+     0.0f, - h / 4.0f);        p.lineTo(+ w / 6.0f, + h / 4.0f);        p.closePath();        p.closePath();        g2.translate(w/2, h/2);        g2.setColor(Color.black);        g2.draw(bs.createStrokedShape(p));    }    public static void main(String s[]) {        createDemoFrame(new Joins());    }    class DemoControls extends CustomControls implements ActionListener {        Joins demo;        int joinType[] = { BasicStroke.JOIN_MITER,                        BasicStroke.JOIN_ROUND, BasicStroke.JOIN_BEVEL };        String joinName[] = { "Mitered Join", "Rounded Join", "Beveled Join" };        JMenu menu;        JMenuItem menuitem[] = new JMenuItem[joinType.length];        JoinIcon icons[] = new JoinIcon[joinType.length];        JToolBar toolbar;        public DemoControls(Joins demo) {            super(demo.name);            setBorder(new CompoundBorder(getBorder(), new EmptyBorder(2, 2, 2, 2)));            this.demo = demo;            setLayout(new BorderLayout());            label = new JLabel(" Width = " + String.valueOf(demo.bswidth));            Font font = new Font("serif", Font.BOLD, 14);            label.setFont(font);            add("West", label);            JMenuBar menubar = new JMenuBar();            add("East", menubar);            menu = (JMenu) menubar.add(new JMenu(joinName[0]));            menu.setFont(font = new Font("serif", Font.PLAIN, 10));            for (int i = 0; i < joinType.length; i++) {                icons[i]= new JoinIcon(joinType[i]);                menuitem[i] = menu.add(new JMenuItem(joinName[i]));                menuitem[i].setFont(font);                menuitem[i].setIcon(icons[i]);                menuitem[i].addActionListener(this);            }             menu.setIcon(icons[0]);        }        public void actionPerformed(ActionEvent e) {            for (int i = 0; i < joinType.length; i++) {                if (e.getSource().equals(menuitem[i])) {                    demo.joinType = joinType[i];                    menu.setIcon(icons[i]);                    menu.setText(joinName[i]);                    break;                }             }            demo.repaint();        }        public Dimension getPreferredSize() {            return new Dimension(200,37);        }        public void run() {            try { thread.sleep(999); } catch (Exception e) { return; }            Thread me = Thread.currentThread();            while (thread == me) {                for (int i = 0; i < menuitem.length; i++) {                    menuitem[i].doClick();                    for (int k = 10; k < 60; k+=2) {                        demo.slider.setValue(k);                        try {                            thread.sleep(100);                        } catch (InterruptedException e) { return; }                    }                    try {                        thread.sleep(999);                    } catch (InterruptedException e) { return; }                }            }            thread = null;        }        class JoinIcon implements Icon {            int joinType;            public JoinIcon(int joinType) {                this.joinType = joinType;            }                public void paintIcon(Component c, Graphics g, int x, int y) {                ((Graphics2D) g).setRenderingHint(                     RenderingHints.KEY_ANTIALIASING,                      RenderingHints.VALUE_ANTIALIAS_ON);                BasicStroke bs = new BasicStroke(8.0f,                                     BasicStroke.CAP_BUTT, joinType);                ((Graphics2D) g).setStroke(bs);                GeneralPath p = new GeneralPath();                p.moveTo(0, 3);                p.lineTo(getIconWidth()-2, getIconHeight()/2);                p.lineTo(0,getIconHeight());                ((Graphics2D) g).draw(p);            }            public int getIconWidth() { return 20; }            public int getIconHeight() { return 20; }        } // End JoinIcon class    } // End DemoControls class} // End Joins class