6684056: SUPERSCRIPT TextAttribute on font needs to trigger layout

Reviewed-by: igor, campbell

jdk/src/share/classes/java/awt/Font.java

@@ -711,7 +711,7 @@ public class Font implements java.io.Serializable
                                 EBIDI_EMBEDDING, EJUSTIFICATION,
                                 EINPUT_METHOD_HIGHLIGHT, EINPUT_METHOD_UNDERLINE,
                                 ESWAP_COLORS, ENUMERIC_SHAPING, EKERNING,
-                                ELIGATURES, ETRACKING);
+                                ELIGATURES, ETRACKING, ESUPERSCRIPT);
 
     private static final int EXTRA_MASK =
             AttributeValues.getMask(ETRANSFORM, ESUPERSCRIPT, EWIDTH);

jdk/test/java/awt/Graphics2D/DrawString/DrawStrSuper.java

@@ -0,0 +1,151 @@
+/*
+ * Copyright 2008 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
+ * @bug 6684056
+ * @summary Super-scripted text needs to be positioned the same with
+ *          drawString and TextLayout.
+ */
+import java.awt.*;
+import java.awt.event.*;
+import java.awt.font.*;
+import static java.awt.font.TextAttribute.*;
+import java.awt.geom.AffineTransform;
+import java.awt.image.BufferedImage;
+import java.util.HashMap;
+
+
+public class DrawStrSuper extends Component {
+
+    int angle = 0;
+    static boolean interactive = false;
+
+    int wid=400, hgt=400;
+    BufferedImage bi = null;
+
+    void paintImage() {
+
+        if (bi == null) {
+             bi = new BufferedImage(wid, hgt, BufferedImage.TYPE_INT_RGB);
+        }
+        Graphics2D g2d = bi.createGraphics();
+        g2d.setColor(Color.white);
+        g2d.fillRect(0, 0, wid, hgt);
+        g2d.translate(200, 200);
+
+        Font fnt = new Font("Arial", Font.PLAIN, 20);
+        fnt = fnt.deriveFont(60.0f);
+        HashMap attrMap = new HashMap();
+        AffineTransform aff =
+            AffineTransform.getRotateInstance(angle * Math.PI/180.0);
+        attrMap.put(SUPERSCRIPT, SUPERSCRIPT_SUPER);
+        attrMap.put(TRANSFORM, aff);
+        fnt = fnt.deriveFont(attrMap);
+
+        g2d.setFont(fnt);
+        g2d.setColor(Color.yellow);
+        TextLayout tl = new TextLayout("Text", fnt,g2d.getFontRenderContext());
+        g2d.fill(tl.getBounds());
+
+        g2d.setColor(Color.black);
+        g2d.drawLine(-3, 0, 3, 0);
+        g2d.drawLine(0, -3, 0, 3);
+
+        g2d.setColor(Color.blue);
+        g2d.drawString("Text", 0, 0);
+
+        g2d.setColor(Color.red);
+        tl.draw(g2d,0f,0f);
+
+        // Test BI: should be no blue
+        int blue = Color.blue.getRGB();
+        for (int px=0;px<wid;px++) {
+            for (int py=0;py<hgt;py++) {
+                int rgb = bi.getRGB(px, py);
+                if (rgb == blue) {
+                    throw new RuntimeException
+                        ("Unexpected color : " + Integer.toHexString(rgb) +
+                         " at x=" + px + " y="+ py);
+                }
+            }
+        }
+    }
+
+    @Override
+    public void paint(Graphics g) {
+        paintImage();
+        g.drawImage(bi, 0,0, null);
+    }
+
+
+    static class Runner extends Thread {
+
+        DrawStrSuper dss;
+
+        Runner(DrawStrSuper dss) {
+            this.dss = dss;
+        }
+
+        public void run() {
+            while (true) {
+                if (!interactive && dss.angle > 360) {
+                    return;
+                }
+                try {
+                    Thread.sleep(100);
+                } catch (InterruptedException e) {
+                    return;
+                }
+
+                dss.angle += 10;
+                dss.repaint();
+            }
+        }
+    }
+
+    @Override
+    public Dimension getPreferredSize() {
+        return new Dimension(400, 400);
+    }
+
+    public static void main(String argv[]) throws InterruptedException {
+        if (argv.length > 0) interactive = true;
+
+        Frame f = new Frame("Text bounds test");
+        f.addWindowListener(new WindowAdapter() {
+            @Override
+            public void windowClosing(WindowEvent e) {
+                System.exit(0);
+            }
+        });
+        DrawStrSuper dss = new DrawStrSuper();
+        f.add(dss, BorderLayout.CENTER);
+        f.pack();
+        f.setLocationRelativeTo(null);
+        f.setVisible(true);
+        Runner runner = new Runner(dss);
+        runner.start();
+        runner.join();
+    }
+}