src/demo/share/jfc/J2Ddemo/java2d/demos/Arcs_Curves/BezierAnim.java - platform/libcore - Git at Google

 /*
  *
  * Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  *   - Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  *
  *   - Redistributions 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 Oracle nor the names of its
  *     contributors may be used to endorse or promote products derived
  *     from this software without specific prior written permission.
  *
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
  * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 package java2d.demos.Arcs_Curves;


 import static java.awt.Color.BLUE;
 import static java.awt.Color.GRAY;
 import static java.awt.Color.GREEN;
 import static java.awt.Color.RED;
 import static java.awt.Color.WHITE;
 import static java.awt.Color.YELLOW;
 import java.awt.BasicStroke;
 import java.awt.Color;
 import java.awt.Component;
 import java.awt.Dimension;
 import java.awt.Font;
 import java.awt.GradientPaint;
 import java.awt.Graphics;
 import java.awt.Graphics2D;
 import java.awt.Paint;
 import java.awt.Rectangle;
 import java.awt.TexturePaint;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.awt.geom.GeneralPath;
 import java.awt.geom.Path2D;
 import java.awt.image.BufferedImage;
 import java2d.AnimatingControlsSurface;
 import java2d.CustomControls;
 import javax.swing.Icon;
 import javax.swing.JMenu;
 import javax.swing.JMenuBar;
 import javax.swing.JMenuItem;


 /**
  * Animated Bezier Curve with controls for different draw & fill paints.
  */
 @SuppressWarnings("serial")
 public class BezierAnim extends AnimatingControlsSurface {

     private static final int NUMPTS = 6;
     protected BasicStroke solid = new BasicStroke(10.0f,
             BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND);
     protected BasicStroke dashed = new BasicStroke(10.0f,
             BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 10, new float[] { 5 },
             0);
     private float animpts[] = new float[NUMPTS * 2];
     private float deltas[] = new float[NUMPTS * 2];
     protected Paint fillPaint, drawPaint;
     protected boolean doFill = true;
     protected boolean doDraw = true;
     protected GradientPaint gradient;
     protected BasicStroke stroke;

     public BezierAnim() {
         setBackground(WHITE);
         gradient = new GradientPaint(0, 0, RED, 200, 200, YELLOW);
         fillPaint = gradient;
         drawPaint = BLUE;
         stroke = solid;
         setControls(new Component[] { new DemoControls(this) });
     }

     public void animate(float[] pts, float[] deltas, int index, int limit) {
         float newpt = pts[index] + deltas[index];
         if (newpt <= 0) {
             newpt = -newpt;
             deltas[index] = (float) (Math.random() * 4.0 + 2.0);
         } else if (newpt >= limit) {
             newpt = 2.0f * limit - newpt;
             deltas[index] = -(float) (Math.random() * 4.0 + 2.0);
         }
         pts[index] = newpt;
     }

     @Override
     public void reset(int w, int h) {
         for (int i = 0; i < animpts.length; i += 2) {
             animpts[i + 0] = (float) (Math.random() * w);
             animpts[i + 1] = (float) (Math.random() * h);
             deltas[i + 0] = (float) (Math.random() * 6.0 + 4.0);
             deltas[i + 1] = (float) (Math.random() * 6.0 + 4.0);
             if (animpts[i + 0] > w / 2.0f) {
                 deltas[i + 0] = -deltas[i + 0];
             }
             if (animpts[i + 1] > h / 2.0f) {
                 deltas[i + 1] = -deltas[i + 1];
             }
         }
         gradient = new GradientPaint(0, 0, RED, w * .7f, h * .7f, YELLOW);
     }

     @Override
     public void step(int w, int h) {
         for (int i = 0; i < animpts.length; i += 2) {
             animate(animpts, deltas, i + 0, w);
             animate(animpts, deltas, i + 1, h);
         }
     }

     @Override
     public void render(int w, int h, Graphics2D g2) {
         float[] ctrlpts = animpts;
         int len = ctrlpts.length;
         float prevx = ctrlpts[len - 2];
         float prevy = ctrlpts[len - 1];
         float curx = ctrlpts[0];
         float cury = ctrlpts[1];
         float midx = (curx + prevx) / 2.0f;
         float midy = (cury + prevy) / 2.0f;
         GeneralPath gp = new GeneralPath(Path2D.WIND_NON_ZERO);
         gp.moveTo(midx, midy);
         for (int i = 2; i <= ctrlpts.length; i += 2) {
             float x1 = (midx + curx) / 2.0f;
             float y1 = (midy + cury) / 2.0f;
             prevx = curx;
             prevy = cury;
             if (i < ctrlpts.length) {
                 curx = ctrlpts[i + 0];
                 cury = ctrlpts[i + 1];
             } else {
                 curx = ctrlpts[0];
                 cury = ctrlpts[1];
             }
             midx = (curx + prevx) / 2.0f;
             midy = (cury + prevy) / 2.0f;
             float x2 = (prevx + midx) / 2.0f;
             float y2 = (prevy + midy) / 2.0f;
             gp.curveTo(x1, y1, x2, y2, midx, midy);
         }
         gp.closePath();
         if (doDraw) {
             g2.setPaint(drawPaint);
             g2.setStroke(stroke);
             g2.draw(gp);
         }
         if (doFill) {
             if (fillPaint instanceof GradientPaint) {
                 fillPaint = gradient;
             }
             g2.setPaint(fillPaint);
             g2.fill(gp);
         }
     }

     public static void main(String argv[]) {
         createDemoFrame(new BezierAnim());
     }


     static class DemoControls extends CustomControls implements ActionListener {

         static final TexturePaint tp1, tp2;

         static {
             BufferedImage bi = new BufferedImage(2, 1,
                     BufferedImage.TYPE_INT_RGB);
             bi.setRGB(0, 0, 0xff00ff00);
             bi.setRGB(1, 0, 0xffff0000);
             tp1 = new TexturePaint(bi, new Rectangle(0, 0, 2, 1));
             bi = new BufferedImage(2, 1, BufferedImage.TYPE_INT_RGB);
             bi.setRGB(0, 0, 0xff0000ff);
             bi.setRGB(1, 0, 0xffff0000);
             tp2 = new TexturePaint(bi, new Rectangle(0, 0, 2, 1));
         }
         BezierAnim demo;
         static Paint drawPaints[] = { new Color(0, 0, 0, 0), BLUE, new Color(0,
             0, 255, 126),
             BLUE, tp2 };
         static String drawName[] = { "No Draw", "Blue", "Blue w/ Alpha",
             "Blue Dash", "Texture" };
         static Paint fillPaints[] = { new Color(0, 0, 0, 0), GREEN, new Color(0,
             255, 0, 126),
             tp1, new GradientPaint(0, 0, RED, 30, 30, YELLOW) };
         String fillName[] = { "No Fill", "Green", "Green w/ Alpha", "Texture",
             "Gradient" };
         JMenu fillMenu, drawMenu;
         JMenuItem fillMI[] = new JMenuItem[fillPaints.length];
         JMenuItem drawMI[] = new JMenuItem[drawPaints.length];
         PaintedIcon fillIcons[] = new PaintedIcon[fillPaints.length];
         PaintedIcon drawIcons[] = new PaintedIcon[drawPaints.length];
         Font font = new Font(Font.SERIF, Font.PLAIN, 10);

         @SuppressWarnings("LeakingThisInConstructor")
         public DemoControls(BezierAnim demo) {
             super(demo.name);
             this.demo = demo;

             JMenuBar drawMenuBar = new JMenuBar();
             add(drawMenuBar);

             JMenuBar fillMenuBar = new JMenuBar();
             add(fillMenuBar);

             drawMenu = drawMenuBar.add(new JMenu("Draw Choice"));
             drawMenu.setFont(font);

             for (int i = 0; i < drawPaints.length; i++) {
                 drawIcons[i] = new PaintedIcon(drawPaints[i]);
                 drawMI[i] = drawMenu.add(new JMenuItem(drawName[i]));
                 drawMI[i].setFont(font);
                 drawMI[i].setIcon(drawIcons[i]);
                 drawMI[i].addActionListener(this);
             }
             drawMenu.setIcon(drawIcons[1]);

             fillMenu = fillMenuBar.add(new JMenu("Fill Choice"));
             fillMenu.setFont(font);
             for (int i = 0; i < fillPaints.length; i++) {
                 fillIcons[i] = new PaintedIcon(fillPaints[i]);
                 fillMI[i] = fillMenu.add(new JMenuItem(fillName[i]));
                 fillMI[i].setFont(font);
                 fillMI[i].setIcon(fillIcons[i]);
                 fillMI[i].addActionListener(this);
             }
             fillMenu.setIcon(fillIcons[fillPaints.length - 1]);
         }

         @Override
         public void actionPerformed(ActionEvent e) {
             Object obj = e.getSource();
             for (int i = 0; i < fillPaints.length; i++) {
                 if (obj.equals(fillMI[i])) {
                     demo.doFill = true;
                     demo.fillPaint = fillPaints[i];
                     fillMenu.setIcon(fillIcons[i]);
                     break;
                 }
             }
             for (int i = 0; i < drawPaints.length; i++) {
                 if (obj.equals(drawMI[i])) {
                     demo.doDraw = true;
                     demo.drawPaint = drawPaints[i];
                     if (((JMenuItem) obj).getText().endsWith("Dash")) {
                         demo.stroke = demo.dashed;
                     } else {
                         demo.stroke = demo.solid;
                     }
                     drawMenu.setIcon(drawIcons[i]);
                     break;
                 }
             }
             if (obj.equals(fillMI[0])) {
                 demo.doFill = false;
             } else if (obj.equals(drawMI[0])) {
                 demo.doDraw = false;
             }
             if (!demo.animating.running()) {
                 demo.repaint();
             }
         }

         @Override
         public Dimension getPreferredSize() {
             return new Dimension(200, 36);
         }

         @Override
         @SuppressWarnings("SleepWhileHoldingLock")
         public void run() {
             Thread me = Thread.currentThread();
             while (thread == me) {
                 for (JMenuItem dmi : drawMI) {
                     dmi.doClick();
                     for (JMenuItem fmi : fillMI) {
                         fmi.doClick();
                         try {
                             Thread.sleep(3000 + (long) (Math.random() * 3000));
                         } catch (InterruptedException e) {
                             break;
                         }
                     }
                 }
             }
             thread = null;
         }


         static class PaintedIcon implements Icon {

             Paint paint;

             public PaintedIcon(Paint p) {
                 this.paint = p;
             }

             @Override
             public void paintIcon(Component c, Graphics g, int x, int y) {
                 Graphics2D g2 = (Graphics2D) g;
                 g2.setPaint(paint);
                 g2.fillRect(x, y, getIconWidth(), getIconHeight());
                 g2.setColor(GRAY);
                 g2.draw3DRect(x, y, getIconWidth() - 1, getIconHeight() - 1,
                         true);
             }

             @Override
             public int getIconWidth() {
                 return 12;
             }

             @Override
             public int getIconHeight() {
                 return 12;
             }
         } // End PaintedIcon class
     } // End DemoControls class
 } // End BezierAnim class
	/*
	*
	* Copyright (c) 2007, 2011, Oracle and/or its affiliates. All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	*
	* - Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	*
	* - Redistributions 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 Oracle nor the names of its
	* contributors may be used to endorse or promote products derived
	* from this software without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
	* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
	* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
	* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
	* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
	* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
	* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
	* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
	* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
	* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
	* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
	*/
	package java2d.demos.Arcs_Curves;


	import static java.awt.Color.BLUE;
	import static java.awt.Color.GRAY;
	import static java.awt.Color.GREEN;
	import static java.awt.Color.RED;
	import static java.awt.Color.WHITE;
	import static java.awt.Color.YELLOW;
	import java.awt.BasicStroke;
	import java.awt.Color;
	import java.awt.Component;
	import java.awt.Dimension;
	import java.awt.Font;
	import java.awt.GradientPaint;
	import java.awt.Graphics;
	import java.awt.Graphics2D;
	import java.awt.Paint;
	import java.awt.Rectangle;
	import java.awt.TexturePaint;
	import java.awt.event.ActionEvent;
	import java.awt.event.ActionListener;
	import java.awt.geom.GeneralPath;
	import java.awt.geom.Path2D;
	import java.awt.image.BufferedImage;
	import java2d.AnimatingControlsSurface;
	import java2d.CustomControls;
	import javax.swing.Icon;
	import javax.swing.JMenu;
	import javax.swing.JMenuBar;
	import javax.swing.JMenuItem;


	/**
	* Animated Bezier Curve with controls for different draw & fill paints.
	*/
	@SuppressWarnings("serial")
	public class BezierAnim extends AnimatingControlsSurface {

	private static final int NUMPTS = 6;
	protected BasicStroke solid = new BasicStroke(10.0f,
	BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND);
	protected BasicStroke dashed = new BasicStroke(10.0f,
	BasicStroke.CAP_BUTT, BasicStroke.JOIN_ROUND, 10, new float[] { 5 },
	0);
	private float animpts[] = new float[NUMPTS * 2];
	private float deltas[] = new float[NUMPTS * 2];
	protected Paint fillPaint, drawPaint;
	protected boolean doFill = true;
	protected boolean doDraw = true;
	protected GradientPaint gradient;
	protected BasicStroke stroke;

	public BezierAnim() {
	setBackground(WHITE);
	gradient = new GradientPaint(0, 0, RED, 200, 200, YELLOW);
	fillPaint = gradient;
	drawPaint = BLUE;
	stroke = solid;
	setControls(new Component[] { new DemoControls(this) });
	}

	public void animate(float[] pts, float[] deltas, int index, int limit) {
	float newpt = pts[index] + deltas[index];
	if (newpt <= 0) {
	newpt = -newpt;
	deltas[index] = (float) (Math.random() * 4.0 + 2.0);
	} else if (newpt >= limit) {
	newpt = 2.0f * limit - newpt;
	deltas[index] = -(float) (Math.random() * 4.0 + 2.0);
	}
	pts[index] = newpt;
	}

	@Override
	public void reset(int w, int h) {
	for (int i = 0; i < animpts.length; i += 2) {
	animpts[i + 0] = (float) (Math.random() * w);
	animpts[i + 1] = (float) (Math.random() * h);
	deltas[i + 0] = (float) (Math.random() * 6.0 + 4.0);
	deltas[i + 1] = (float) (Math.random() * 6.0 + 4.0);
	if (animpts[i + 0] > w / 2.0f) {
	deltas[i + 0] = -deltas[i + 0];
	}
	if (animpts[i + 1] > h / 2.0f) {
	deltas[i + 1] = -deltas[i + 1];
	}
	}
	gradient = new GradientPaint(0, 0, RED, w * .7f, h * .7f, YELLOW);
	}

	@Override
	public void step(int w, int h) {
	for (int i = 0; i < animpts.length; i += 2) {
	animate(animpts, deltas, i + 0, w);
	animate(animpts, deltas, i + 1, h);
	}
	}

	@Override
	public void render(int w, int h, Graphics2D g2) {
	float[] ctrlpts = animpts;
	int len = ctrlpts.length;
	float prevx = ctrlpts[len - 2];
	float prevy = ctrlpts[len - 1];
	float curx = ctrlpts[0];
	float cury = ctrlpts[1];
	float midx = (curx + prevx) / 2.0f;
	float midy = (cury + prevy) / 2.0f;
	GeneralPath gp = new GeneralPath(Path2D.WIND_NON_ZERO);
	gp.moveTo(midx, midy);
	for (int i = 2; i <= ctrlpts.length; i += 2) {
	float x1 = (midx + curx) / 2.0f;
	float y1 = (midy + cury) / 2.0f;
	prevx = curx;
	prevy = cury;
	if (i < ctrlpts.length) {
	curx = ctrlpts[i + 0];
	cury = ctrlpts[i + 1];
	} else {
	curx = ctrlpts[0];
	cury = ctrlpts[1];
	}
	midx = (curx + prevx) / 2.0f;
	midy = (cury + prevy) / 2.0f;
	float x2 = (prevx + midx) / 2.0f;
	float y2 = (prevy + midy) / 2.0f;
	gp.curveTo(x1, y1, x2, y2, midx, midy);
	}
	gp.closePath();
	if (doDraw) {
	g2.setPaint(drawPaint);
	g2.setStroke(stroke);
	g2.draw(gp);
	}
	if (doFill) {
	if (fillPaint instanceof GradientPaint) {
	fillPaint = gradient;
	}
	g2.setPaint(fillPaint);
	g2.fill(gp);
	}
	}

	public static void main(String argv[]) {
	createDemoFrame(new BezierAnim());
	}


	static class DemoControls extends CustomControls implements ActionListener {

	static final TexturePaint tp1, tp2;

	static {
	BufferedImage bi = new BufferedImage(2, 1,
	BufferedImage.TYPE_INT_RGB);
	bi.setRGB(0, 0, 0xff00ff00);
	bi.setRGB(1, 0, 0xffff0000);
	tp1 = new TexturePaint(bi, new Rectangle(0, 0, 2, 1));
	bi = new BufferedImage(2, 1, BufferedImage.TYPE_INT_RGB);
	bi.setRGB(0, 0, 0xff0000ff);
	bi.setRGB(1, 0, 0xffff0000);
	tp2 = new TexturePaint(bi, new Rectangle(0, 0, 2, 1));
	}
	BezierAnim demo;
	static Paint drawPaints[] = { new Color(0, 0, 0, 0), BLUE, new Color(0,
	0, 255, 126),
	BLUE, tp2 };
	static String drawName[] = { "No Draw", "Blue", "Blue w/ Alpha",
	"Blue Dash", "Texture" };
	static Paint fillPaints[] = { new Color(0, 0, 0, 0), GREEN, new Color(0,
	255, 0, 126),
	tp1, new GradientPaint(0, 0, RED, 30, 30, YELLOW) };
	String fillName[] = { "No Fill", "Green", "Green w/ Alpha", "Texture",
	"Gradient" };
	JMenu fillMenu, drawMenu;
	JMenuItem fillMI[] = new JMenuItem[fillPaints.length];
	JMenuItem drawMI[] = new JMenuItem[drawPaints.length];
	PaintedIcon fillIcons[] = new PaintedIcon[fillPaints.length];
	PaintedIcon drawIcons[] = new PaintedIcon[drawPaints.length];
	Font font = new Font(Font.SERIF, Font.PLAIN, 10);

	@SuppressWarnings("LeakingThisInConstructor")
	public DemoControls(BezierAnim demo) {
	super(demo.name);
	this.demo = demo;

	JMenuBar drawMenuBar = new JMenuBar();
	add(drawMenuBar);

	JMenuBar fillMenuBar = new JMenuBar();
	add(fillMenuBar);

	drawMenu = drawMenuBar.add(new JMenu("Draw Choice"));
	drawMenu.setFont(font);

	for (int i = 0; i < drawPaints.length; i++) {
	drawIcons[i] = new PaintedIcon(drawPaints[i]);
	drawMI[i] = drawMenu.add(new JMenuItem(drawName[i]));
	drawMI[i].setFont(font);
	drawMI[i].setIcon(drawIcons[i]);
	drawMI[i].addActionListener(this);
	}
	drawMenu.setIcon(drawIcons[1]);

	fillMenu = fillMenuBar.add(new JMenu("Fill Choice"));
	fillMenu.setFont(font);
	for (int i = 0; i < fillPaints.length; i++) {
	fillIcons[i] = new PaintedIcon(fillPaints[i]);
	fillMI[i] = fillMenu.add(new JMenuItem(fillName[i]));
	fillMI[i].setFont(font);
	fillMI[i].setIcon(fillIcons[i]);
	fillMI[i].addActionListener(this);
	}
	fillMenu.setIcon(fillIcons[fillPaints.length - 1]);
	}

	@Override
	public void actionPerformed(ActionEvent e) {
	Object obj = e.getSource();
	for (int i = 0; i < fillPaints.length; i++) {
	if (obj.equals(fillMI[i])) {
	demo.doFill = true;
	demo.fillPaint = fillPaints[i];
	fillMenu.setIcon(fillIcons[i]);
	break;
	}
	}
	for (int i = 0; i < drawPaints.length; i++) {
	if (obj.equals(drawMI[i])) {
	demo.doDraw = true;
	demo.drawPaint = drawPaints[i];
	if (((JMenuItem) obj).getText().endsWith("Dash")) {
	demo.stroke = demo.dashed;
	} else {
	demo.stroke = demo.solid;
	}
	drawMenu.setIcon(drawIcons[i]);
	break;
	}
	}
	if (obj.equals(fillMI[0])) {
	demo.doFill = false;
	} else if (obj.equals(drawMI[0])) {
	demo.doDraw = false;
	}
	if (!demo.animating.running()) {
	demo.repaint();
	}
	}

	@Override
	public Dimension getPreferredSize() {
	return new Dimension(200, 36);
	}

	@Override
	@SuppressWarnings("SleepWhileHoldingLock")
	public void run() {
	Thread me = Thread.currentThread();
	while (thread == me) {
	for (JMenuItem dmi : drawMI) {
	dmi.doClick();
	for (JMenuItem fmi : fillMI) {
	fmi.doClick();
	try {
	Thread.sleep(3000 + (long) (Math.random() * 3000));
	} catch (InterruptedException e) {
	break;
	}
	}
	}
	}
	thread = null;
	}


	static class PaintedIcon implements Icon {

	Paint paint;

	public PaintedIcon(Paint p) {
	this.paint = p;
	}

	@Override
	public void paintIcon(Component c, Graphics g, int x, int y) {
	Graphics2D g2 = (Graphics2D) g;
	g2.setPaint(paint);
	g2.fillRect(x, y, getIconWidth(), getIconHeight());
	g2.setColor(GRAY);
	g2.draw3DRect(x, y, getIconWidth() - 1, getIconHeight() - 1,
	true);
	}

	@Override
	public int getIconWidth() {
	return 12;
	}

	@Override
	public int getIconHeight() {
	return 12;
	}
	} // End PaintedIcon class
	} // End DemoControls class
	} // End BezierAnim class