--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/demo/share/jfc/J2Ddemo/java2d/demos/Arcs_Curves/Arcs.java	Mon May 14 08:58:32 2018 -0700
@@ -0,0 +1,165 @@
+/*
+ *
+ * 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 java.awt.*;
+import java.awt.geom.Arc2D;
+import java.awt.geom.AffineTransform;
+import java2d.AnimatingSurface;
+import static java.awt.Color.*;
+
+
+/**
+ * Arc2D Open, Chord & Pie arcs; Animated Pie Arc.
+ */
+@SuppressWarnings("serial")
+public class Arcs extends AnimatingSurface {
+
+    private static String types[] = { "Arc2D.OPEN", "Arc2D.CHORD", "Arc2D.PIE" };
+    private static final int CLOSE = 0;
+    private static final int OPEN = 1;
+    private static final int FORWARD = 0;
+    private static final int BACKWARD = 1;
+    private static final int DOWN = 2;
+    private static final int UP = 3;
+    private int aw, ah; // animated arc width & height
+    private int x, y;
+    private int angleStart = 45;
+    private int angleExtent = 270;
+    private int mouth = CLOSE;
+    private int direction = FORWARD;
+
+    public Arcs() {
+        setBackground(WHITE);
+    }
+
+    @Override
+    public void reset(int w, int h) {
+        x = 0;
+        y = 0;
+        aw = w / 12;
+        ah = h / 12;
+    }
+
+    @Override
+    public void step(int w, int h) {
+        // Compute direction
+        if (x + aw >= w - 5 && direction == FORWARD) {
+            direction = DOWN;
+        }
+        if (y + ah >= h - 5 && direction == DOWN) {
+            direction = BACKWARD;
+        }
+        if (x - aw <= 5 && direction == BACKWARD) {
+            direction = UP;
+        }
+        if (y - ah <= 5 && direction == UP) {
+            direction = FORWARD;
+        }
+
+        // compute angle start & extent
+        if (mouth == CLOSE) {
+            angleStart -= 5;
+            angleExtent += 10;
+        }
+        if (mouth == OPEN) {
+            angleStart += 5;
+            angleExtent -= 10;
+        }
+        if (direction == FORWARD) {
+            x += 5;
+            y = 0;
+        }
+        if (direction == DOWN) {
+            x = w;
+            y += 5;
+        }
+        if (direction == BACKWARD) {
+            x -= 5;
+            y = h;
+        }
+        if (direction == UP) {
+            x = 0;
+            y -= 5;
+        }
+        if (angleStart == 0) {
+            mouth = OPEN;
+        }
+        if (angleStart > 45) {
+            mouth = CLOSE;
+        }
+    }
+
+    @Override
+    public void render(int w, int h, Graphics2D g2) {
+
+        // Draw Arcs
+        g2.setStroke(new BasicStroke(5.0f));
+        for (int i = 0; i < types.length; i++) {
+            Arc2D arc = new Arc2D.Float(i);
+            arc.setFrame((i + 1) * w * .2, (i + 1) * h * .2, w * .17, h * .17);
+            arc.setAngleStart(45);
+            arc.setAngleExtent(270);
+            g2.setColor(BLUE);
+            g2.draw(arc);
+            g2.setColor(GRAY);
+            g2.fill(arc);
+            g2.setColor(BLACK);
+            g2.drawString(types[i], (int) ((i + 1) * w * .2), (int) ((i + 1) * h
+                    * .2 - 3));
+        }
+
+        // Draw Animated Pie Arc
+        Arc2D pieArc = new Arc2D.Float(Arc2D.PIE);
+        pieArc.setFrame(0, 0, aw, ah);
+        pieArc.setAngleStart(angleStart);
+        pieArc.setAngleExtent(angleExtent);
+        AffineTransform at = AffineTransform.getTranslateInstance(x, y);
+        switch (direction) {
+            case DOWN:
+                at.rotate(Math.toRadians(90));
+                break;
+            case BACKWARD:
+                at.rotate(Math.toRadians(180));
+                break;
+            case UP:
+                at.rotate(Math.toRadians(270));
+        }
+        g2.setColor(BLUE);
+        g2.fill(at.createTransformedShape(pieArc));
+    }
+
+    public static void main(String argv[]) {
+        createDemoFrame(new Arcs());
+    }
+}