--- a/src/share/tools/IdealGraphVisualizer/Graal/nbproject/genfiles.properties	Tue Jun 21 17:14:24 2011 +0200
+++ b/src/share/tools/IdealGraphVisualizer/Graal/nbproject/genfiles.properties	Wed Jun 22 18:42:21 2011 +0200
@@ -1,8 +1,8 @@
-build.xml.data.CRC32=abfbe04d
+build.xml.data.CRC32=2bb741e3
 build.xml.script.CRC32=3534d355
 build.xml.stylesheet.CRC32=a56c6a5b@1.45.1
 # This file is used by a NetBeans-based IDE to track changes in generated files such as build-impl.xml.
 # Do not edit this file. You may delete it but then the IDE will never regenerate such files for you.
-nbproject/build-impl.xml.data.CRC32=abfbe04d
+nbproject/build-impl.xml.data.CRC32=2bb741e3
 nbproject/build-impl.xml.script.CRC32=2867f2d5
 nbproject/build-impl.xml.stylesheet.CRC32=238281d1@1.45.1

--- a/src/share/tools/IdealGraphVisualizer/Graal/nbproject/project.xml	Tue Jun 21 17:14:24 2011 +0200
+++ b/src/share/tools/IdealGraphVisualizer/Graal/nbproject/project.xml	Wed Jun 22 18:42:21 2011 +0200
@@ -15,6 +15,14 @@
                     </run-dependency>
                 </dependency>
                 <dependency>
+                    <code-name-base>com.sun.hotspot.igv.filter</code-name-base>
+                    <build-prerequisite/>
+                    <compile-dependency/>
+                    <run-dependency>
+                        <specification-version>1.0</specification-version>
+                    </run-dependency>
+                </dependency>
+                <dependency>
                     <code-name-base>com.sun.hotspot.igv.graph</code-name-base>
                     <build-prerequisite/>
                     <compile-dependency/>

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/tools/IdealGraphVisualizer/Graal/src/com/sun/hotspot/igv/graal/filters/GraalEdgeColorFilter.java	Wed Jun 22 18:42:21 2011 +0200
@@ -0,0 +1,89 @@
+/*
+ * Copyright (c) 2011, 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.
+ *
+ */
+package com.sun.hotspot.igv.graal.filters;
+
+import com.sun.hotspot.igv.data.Properties;
+import com.sun.hotspot.igv.filter.AbstractFilter;
+import com.sun.hotspot.igv.graph.Connection;
+import com.sun.hotspot.igv.graph.Diagram;
+import com.sun.hotspot.igv.graph.Figure;
+import com.sun.hotspot.igv.graph.OutputSlot;
+import java.awt.Color;
+import java.util.List;
+
+/**
+ * Filter that colors usage and successor edges differently.
+ * 
+ * @author Peter Hofer
+ */
+public class GraalEdgeColorFilter extends AbstractFilter {
+
+    private Color successorColor = Color.ORANGE;
+    private Color usageColor = Color.RED;
+
+    public GraalEdgeColorFilter() {
+    }
+
+    public String getName() {
+        return "Graal Edge Color Filter";
+    }
+
+    public void apply(Diagram d) {
+        List<Figure> figures = d.getFigures();
+        for (Figure f : figures) {
+            Properties p = f.getProperties();
+
+            int succCount = Integer.parseInt(p.get("successorCount"));
+            for (OutputSlot os : f.getOutputSlots()) {
+                Color color;
+                if (os.getPosition() < succCount) {
+                    color = successorColor;
+                } else {
+                    color = usageColor;
+                }
+
+                os.setColor(color);
+                for (Connection c : os.getConnections()) {
+                    c.setColor(color);
+                }
+            }
+        }
+    }
+
+    public Color getUsageColor() {
+        return usageColor;
+    }
+
+    public void setUsageColor(Color usageColor) {
+        this.usageColor = usageColor;
+    }
+
+    public Color getSuccessorColor() {
+        return successorColor;
+    }
+
+    public void setSuccessorColor(Color successorColor) {
+        this.successorColor = successorColor;
+    }
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/tools/IdealGraphVisualizer/Graal/src/com/sun/hotspot/igv/graal/filters/edgeColor.filter	Wed Jun 22 18:42:21 2011 +0200
@@ -0,0 +1,4 @@
+var f = new com.sun.hotspot.igv.graal.filters.GraalEdgeColorFilter();
+f.setUsageColor(blue);
+f.setSuccessorColor(red);
+f.apply(graph);

--- a/src/share/tools/IdealGraphVisualizer/Graal/src/com/sun/hotspot/igv/graal/layer.xml	Tue Jun 21 17:14:24 2011 +0200
+++ b/src/share/tools/IdealGraphVisualizer/Graal/src/com/sun/hotspot/igv/graal/layer.xml	Wed Jun 22 18:42:21 2011 +0200
@@ -5,5 +5,9 @@
         <file name="Graal Coloring" url="filters/color.filter">
             <attr name="enabled" boolvalue="false"/>
         </file>
+        
+        <file name="Graal Edge Coloring" url="filters/edgeColor.filter">
+            <attr name="enabled" boolvalue="false"/>
+        </file>
     </folder>
 </filesystem>