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[patch] prevent sign extended alpha values
- From: graydon hoare <graydon at redhat dot com>
- To: java-patches at gcc dot gnu dot org
- Date: 08 Aug 2003 17:13:07 -0400
- Subject: [patch] prevent sign extended alpha values
trivial fix to make colors with alpha work. ok to commit?
-graydon
2003-08-08 Graydon Hoare <graydon@redhat.com>
* java/awt/Color.java (getAlpha): Prevent sign extension in
extracted alpha value.
--- Color.java 2002-08-09 00:26:13.000000000 -0400
+++ Color.java 2003-08-08 17:08:59.000000000 -0400
@@ -496,7 +496,7 @@
public int getAlpha()
{
// Do not inline getRGB() to value, because of SystemColor.
- return (getRGB() & ALPHA_MASK) >> 24;
+ return ((getRGB() & ALPHA_MASK) >> 24) & 0xff;
}
/**