8054638: xrender: text drawn after setColor(Color.white) is actually black

Reviewed-by: bae, prr

src/solaris/classes/sun/java2d/xr/XRSolidSrcPict.java

 /*
- * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2013, 2014 Oracle and/or its affiliates. All rights reserved.
 
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
@@ -31,12 +31,14 @@ public class XRSolidSrcPict {
 
     XRSurfaceData srcPict;
     XRColor xrCol;
-    int curPixVal = -1;
+    int curPixVal;
 
     public XRSolidSrcPict(XRBackend con, int parentXid) {
         this.con = con;
 
         xrCol = new XRColor();
+        curPixVal = 0xFF000000;
+
         int solidPixmap = con.createPixmap(parentXid, 32, 1, 1);
         int solidSrcPictXID = con.createPicture(solidPixmap, XRUtils.PictStandardARGB32);
         con.setPictureRepeat(solidSrcPictXID, XRUtils.RepeatNormal);

test/java/awt/Graphics2D/WhiteTextColorTest.java

+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import java.awt.*;
+import java.awt.image.*;
+import javax.swing.*;
+
+/**
+ * @test
+ * @bug 8056009
+ * @summary tests whether Graphics.setColor-calls with Color.white are ignored directly
+ *          after pipeline initialization for a certain set of operations.
+ * @author ceisserer
+ */
+public class WhiteTextColorTest extends Frame {
+    public static volatile boolean success = false;
+
+    public WhiteTextColorTest() {
+        Image dstImg = getGraphicsConfiguration()
+                .createCompatibleVolatileImage(30, 20);
+        Graphics g = dstImg.getGraphics();
+
+        g.setColor(Color.BLACK);
+        g.fillRect(0, 0, dstImg.getWidth(null), dstImg.getHeight(null));
+        g.setColor(Color.WHITE);
+        g.drawString("Test", 0, 15);
+
+        BufferedImage readBackImg = new BufferedImage(dstImg.getWidth(null),
+                dstImg.getHeight(null), BufferedImage.TYPE_INT_RGB);
+        readBackImg.getGraphics().drawImage(dstImg, 0, 0, null);
+
+        for (int x = 0; x < readBackImg.getWidth(); x++) {
+            for (int y = 0; y < readBackImg.getHeight(); y++) {
+                int pixel = readBackImg.getRGB(x, y);
+
+                // In case a single white pixel is found, the
+                // setColor(Color.WHITE)
+                // call before was not ignored and the bug is not present
+                if (pixel == 0xFFFFFFFF) {
+                    return;
+                }
+            }
+        }
+
+        throw new RuntimeException("Test Failed");
+    }
+
+    public static void main(String[] args) throws Exception {
+        SwingUtilities.invokeLater(new Runnable() {
+            public void run() {
+                new WhiteTextColorTest();
+            }
+        });
+    }
+}
+