6812600: The miter line join decoration isn't rendered properly

Reviewed-by: avu, flar
Contributed-by: NGoogle <yamauchi@google.com>

src/share/classes/sun/java2d/pisces/PiscesRenderingEngine.java

@@ -245,6 +245,7 @@ public class PiscesRenderingEngine extends RenderingEngine {
                              FloatToS15_16(coords[1]));
                 break;
             case PathIterator.SEG_CLOSE:
+                lsink.lineJoin();
                 lsink.close();
                 break;
             default:

test/sun/pisces/JoinMiterTest.java

+/*
+ * Copyright 2009 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/* @test
+ * @summary Pass if no RuntimeException.
+ * @bug 6812600
+ */
+import java.awt.*;
+import java.awt.image.BufferedImage;
+
+public class JoinMiterTest {
+
+  public static void main(String[] args) throws Exception {
+    BufferedImage image = new BufferedImage(200, 200,
+BufferedImage.TYPE_INT_RGB);
+    Graphics2D g = image.createGraphics();
+    g.setPaint(Color.WHITE);
+    g.fill(new Rectangle(image.getWidth(), image.getHeight()));
+    g.translate(25, 100);
+    g.setPaint(Color.BLACK);
+    g.setStroke(new BasicStroke(20, BasicStroke.CAP_BUTT,
+                                BasicStroke.JOIN_MITER));
+    g.draw(new Polygon(new int[] {0, 150, 0}, new int[] {75, 0, -75}, 3));
+    if (image.getRGB(16, 10) == Color.WHITE.getRGB()) {
+      throw new RuntimeException("Miter is not rendered.");
+    }
+  }
+}