src/demo/share/jfc/J2Ddemo/java2d/demos/Lines/Joins.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.Lines;


 import static java.awt.Color.BLACK;
 import static java.awt.Color.WHITE;
 import java.awt.BasicStroke;
 import java.awt.BorderLayout;
 import java.awt.Component;
 import java.awt.Dimension;
 import java.awt.Font;
 import java.awt.Graphics;
 import java.awt.Graphics2D;
 import java.awt.RenderingHints;
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.awt.geom.GeneralPath;
 import java2d.ControlsSurface;
 import java2d.CustomControls;
 import javax.swing.Icon;
 import javax.swing.JLabel;
 import javax.swing.JMenu;
 import javax.swing.JMenuBar;
 import javax.swing.JMenuItem;
 import javax.swing.JSlider;
 import javax.swing.JToolBar;
 import javax.swing.SwingConstants;
 import javax.swing.border.CompoundBorder;
 import javax.swing.border.EmptyBorder;
 import javax.swing.event.ChangeEvent;
 import javax.swing.event.ChangeListener;


 /**
  * BasicStroke join types and width sizes illustrated.  Control for
  * rendering a shape returned from BasicStroke.createStrokedShape(Shape).
  */
 @SuppressWarnings("serial")
 public class Joins extends ControlsSurface {

     protected int joinType = BasicStroke.JOIN_MITER;
     protected float bswidth = 20.0f;
     protected JSlider slider;
     protected JLabel label;

     public Joins() {
         setBackground(WHITE);
         slider = new JSlider(SwingConstants.VERTICAL, 0, 100,
                 (int) (bswidth * 2));
         slider.setPreferredSize(new Dimension(15, 100));
         slider.addChangeListener(new ChangeListener() {

             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 = slider.getValue() / 2.0f;
                 label.setText(" Width = " + String.valueOf(bswidth));
                 label.repaint();
                 repaint();
             }
         });
         setControls(new Component[] { new DemoControls(this), slider });
         setConstraints(new String[] { BorderLayout.NORTH, BorderLayout.WEST });
     }

     @Override
     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(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;

         @SuppressWarnings("LeakingThisInConstructor")
         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(Font.SERIF, Font.BOLD, 14);
             label.setFont(font);
             add("West", label);
             JMenuBar menubar = new JMenuBar();
             add("East", menubar);
             menu = menubar.add(new JMenu(joinName[0]));
             menu.setFont(font = new Font(Font.SERIF, Font.PLAIN, 10));
             ActionListener actionListener = new ActionListener() {

                 public void actionPerformed(ActionEvent e) {
                     throw new UnsupportedOperationException("Not supported yet.");
                 }
             };
             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]);
         }

         @Override
         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();
         }

         @Override
         public Dimension getPreferredSize() {
             return new Dimension(200, 37);
         }

         @Override
         @SuppressWarnings("SleepWhileHoldingLock")
         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;
             }

             @Override
             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);
             }

             @Override
             public int getIconWidth() {
                 return 20;
             }

             @Override
             public int getIconHeight() {
                 return 20;
             }
         } // End JoinIcon class
     } // End DemoControls class
 } // End Joins 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.Lines;


	import static java.awt.Color.BLACK;
	import static java.awt.Color.WHITE;
	import java.awt.BasicStroke;
	import java.awt.BorderLayout;
	import java.awt.Component;
	import java.awt.Dimension;
	import java.awt.Font;
	import java.awt.Graphics;
	import java.awt.Graphics2D;
	import java.awt.RenderingHints;
	import java.awt.event.ActionEvent;
	import java.awt.event.ActionListener;
	import java.awt.geom.GeneralPath;
	import java2d.ControlsSurface;
	import java2d.CustomControls;
	import javax.swing.Icon;
	import javax.swing.JLabel;
	import javax.swing.JMenu;
	import javax.swing.JMenuBar;
	import javax.swing.JMenuItem;
	import javax.swing.JSlider;
	import javax.swing.JToolBar;
	import javax.swing.SwingConstants;
	import javax.swing.border.CompoundBorder;
	import javax.swing.border.EmptyBorder;
	import javax.swing.event.ChangeEvent;
	import javax.swing.event.ChangeListener;


	/**
	* BasicStroke join types and width sizes illustrated. Control for
	* rendering a shape returned from BasicStroke.createStrokedShape(Shape).
	*/
	@SuppressWarnings("serial")
	public class Joins extends ControlsSurface {

	protected int joinType = BasicStroke.JOIN_MITER;
	protected float bswidth = 20.0f;
	protected JSlider slider;
	protected JLabel label;

	public Joins() {
	setBackground(WHITE);
	slider = new JSlider(SwingConstants.VERTICAL, 0, 100,
	(int) (bswidth * 2));
	slider.setPreferredSize(new Dimension(15, 100));
	slider.addChangeListener(new ChangeListener() {

	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 = slider.getValue() / 2.0f;
	label.setText(" Width = " + String.valueOf(bswidth));
	label.repaint();
	repaint();
	}
	});
	setControls(new Component[] { new DemoControls(this), slider });
	setConstraints(new String[] { BorderLayout.NORTH, BorderLayout.WEST });
	}

	@Override
	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(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;

	@SuppressWarnings("LeakingThisInConstructor")
	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(Font.SERIF, Font.BOLD, 14);
	label.setFont(font);
	add("West", label);
	JMenuBar menubar = new JMenuBar();
	add("East", menubar);
	menu = menubar.add(new JMenu(joinName[0]));
	menu.setFont(font = new Font(Font.SERIF, Font.PLAIN, 10));
	ActionListener actionListener = new ActionListener() {

	public void actionPerformed(ActionEvent e) {
	throw new UnsupportedOperationException("Not supported yet.");
	}
	};
	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]);
	}

	@Override
	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();
	}

	@Override
	public Dimension getPreferredSize() {
	return new Dimension(200, 37);
	}

	@Override
	@SuppressWarnings("SleepWhileHoldingLock")
	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;
	}

	@Override
	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);
	}

	@Override
	public int getIconWidth() {
	return 20;
	}

	@Override
	public int getIconHeight() {
	return 20;
	}
	} // End JoinIcon class
	} // End DemoControls class
	} // End Joins class