--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/demo/share/jfc/J2Ddemo/java2d/demos/Lines/Joins.java Mon May 14 08:58:32 2018 -0700
@@ -0,0 +1,247 @@
+/*
+ *
+ * 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
+