6683472: Incorrect handling of translation component of font transform.

Reviewed-by: igor, campbell

src/share/classes/sun/font/AttributeValues.java

@@ -887,10 +887,10 @@ public final class AttributeValues implements Cloneable {
 
         try {
             AffineTransform rtxi = rtx.createInverse();
+            double dx = tx.getTranslateX();
+            double dy = tx.getTranslateY();
             tx.preConcatenate(rtxi);
             if (andTranslation) {
-                double dx = tx.getTranslateX();
-                double dy = tx.getTranslateY();
                 if (dx != 0 || dy != 0) {
                     tx.setTransform(tx.getScaleX(), tx.getShearY(),
                                     tx.getShearX(), tx.getScaleY(), 0, 0);

test/java/awt/Graphics2D/DrawString/RotTransText.java

+/*
+ * 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 6683472
+ * @summary Transformed fonts using drawString and TextLayout should be in
+ *          the same position.
+ */
+
+import java.awt.*;
+import java.awt.font.*;
+import java.awt.geom.*;
+import java.awt.image.*;
+import java.util.HashMap;
+
+public class RotTransText  {
+
+    public static void main(String[] args) {
+
+        int wid=400, hgt=400;
+        BufferedImage bi =
+            new BufferedImage(wid, hgt, BufferedImage.TYPE_INT_RGB);
+
+        Graphics2D g2d = bi.createGraphics();
+
+        g2d.setColor(Color.white);
+        g2d.fillRect(0, 0, wid, hgt);
+
+        int x=130, y=130;
+        String s = "Text";
+
+        int xt=90, yt=50;
+        for (int angle=0;angle<360;angle+=30) {
+            AffineTransform aff = AffineTransform.getTranslateInstance(50,90);
+            aff.rotate(angle * Math.PI/180.0);
+
+            Font fnt = new Font("SansSerif", Font.PLAIN, 60);
+            fnt = fnt.deriveFont(Font.PLAIN, aff);
+            g2d.setFont(fnt);
+            g2d.setColor(Color.blue);
+            g2d.drawString(s, x, y);
+
+            g2d.setColor(Color.red);
+            FontRenderContext frc = g2d.getFontRenderContext();
+            HashMap attrMap = new HashMap();
+            attrMap.put(TextAttribute.STRIKETHROUGH,
+                    TextAttribute.STRIKETHROUGH_ON);
+            fnt = fnt.deriveFont(attrMap);
+            TextLayout tl = new TextLayout(s, fnt, frc);
+            tl.draw(g2d, (float)x, (float)y);
+        }
+        // Test BI: should be no blue: only red and white.
+        int red = Color.red.getRGB();
+        int blue = Color.blue.getRGB();
+        int white = Color.white.getRGB();
+        for (int px=0;px<wid;px++) {
+            for (int py=0;py<hgt;py++) {
+                int rgb = bi.getRGB(px, py);
+                if (rgb == blue || ( rgb != red && rgb != white)) {
+                    throw new RuntimeException
+                        ("Unexpected color : " + Integer.toHexString(rgb) +
+                         " at x=" + x + " y="+ y);
+                }
+            }
+        }
+    }
+}