--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/java/awt/GridBagLayoutInfo.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,87 @@
+/*
+ * Copyright 2006 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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * 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.
+ */
+
+package java.awt;
+
+/**
+ * The {@code GridBagLayoutInfo} is an utility class for
+ * {@code GridBagLayout} layout manager.
+ * It stores align, size and baseline parameters for every component within a container.
+ * <p>
+ * @see       java.awt.GridBagLayout
+ * @see       java.awt.GridBagConstraints
+ * @since 1.6
+ */
+public class GridBagLayoutInfo implements java.io.Serializable {
+    /*
+     * serialVersionUID
+     */
+    private static final long serialVersionUID = -4899416460737170217L;
+
+    int width, height;          /* number of  cells: horizontal and vertical */
+    int startx, starty;         /* starting point for layout */
+    int minWidth[];             /* largest minWidth in each column */
+    int minHeight[];            /* largest minHeight in each row */
+    double weightX[];           /* largest weight in each column */
+    double weightY[];           /* largest weight in each row */
+    boolean hasBaseline;        /* Whether or not baseline layout has been
+                                 * requested and one of the components
+                                 * has a valid baseline. */
+    // These are only valid if hasBaseline is true and are indexed by
+    // row.
+    short baselineType[];       /* The type of baseline for a particular
+                                 * row.  A mix of the BaselineResizeBehavior
+                                 * constants (1 << ordinal()) */
+    int maxAscent[];            /* Max ascent (baseline). */
+    int maxDescent[];           /* Max descent (height - baseline) */
+
+    /**
+     * Creates an instance of GridBagLayoutInfo representing {@code GridBagLayout}
+     * grid cells with it's own parameters.
+     * @param width the columns
+     * @param height the rows
+     * @since 6.0
+     */
+    GridBagLayoutInfo(int width, int height) {
+        this.width = width;
+        this.height = height;
+    }
+
+    /**
+     * Returns true if the specified row has any component aligned on the
+     * baseline with a baseline resize behavior of CONSTANT_DESCENT.
+     */
+    boolean hasConstantDescent(int row) {
+        return ((baselineType[row] & (1 << Component.BaselineResizeBehavior.
+                                      CONSTANT_DESCENT.ordinal())) != 0);
+    }
+
+    /**
+     * Returns true if there is a baseline for the specified row.
+     */
+    boolean hasBaseline(int row) {
+        return (hasBaseline && baselineType[row] != 0);
+    }
+}