diff options
Diffstat (limited to 'libjava/java/awt/BasicStroke.java')
| -rw-r--r-- | libjava/java/awt/BasicStroke.java | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/libjava/java/awt/BasicStroke.java b/libjava/java/awt/BasicStroke.java index e302a0ebc9f..b1772548ac2 100644 --- a/libjava/java/awt/BasicStroke.java +++ b/libjava/java/awt/BasicStroke.java @@ -1,5 +1,5 @@ /* BasicStroke.java -- - Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. + Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -48,6 +48,7 @@ public class BasicStroke implements Stroke public static final int JOIN_MITER = 0; public static final int JOIN_ROUND = 1; public static final int JOIN_BEVEL = 2; + public static final int CAP_BUTT = 0; public static final int CAP_ROUND = 1; public static final int CAP_SQUARE = 2; @@ -208,11 +209,34 @@ public class BasicStroke implements Stroke return phase; } + /** + * Returns the hash code for this object. The hash is calculated by + * xoring the hash, cap, join, limit, dash array and phase values + * (converted to <code>int</code> first with + * <code>Float.floatToIntBits()</code> if the value is a + * <code>float</code>). + */ public int hashCode() { - throw new Error("not implemented"); + int hash = Float.floatToIntBits(width); + hash ^= cap; + hash ^= join; + hash ^= Float.floatToIntBits(limit); + + if (dash != null) + for (int i = 0; i < dash.length; i++) + hash ^= Float.floatToIntBits(dash[i]); + + hash ^= Float.floatToIntBits(phase); + + return hash; } + /** + * Returns true if the given Object is an instance of BasicStroke + * and the width, cap, join, limit, dash array and phase are all + * equal. + */ public boolean equals(Object o) { if (! (o instanceof BasicStroke)) |