From 684703cf00576fb3789979153c96381a97d75ca4 Mon Sep 17 00:00:00 2001 From: Gary Benson Date: Wed, 21 Jun 2006 08:06:28 +0000 Subject: 2006-06-21 Gary Benson * gnu/java/awt/peer/gtk/CairoGraphics2D.java: Add security check. * gnu/java/awt/peer/qt/QtGraphics.java: Likewise. * gnu/java/awt/java2d/AbstractGraphics2D.java: Likewise. --- gnu/java/awt/java2d/AbstractGraphics2D.java | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'gnu/java/awt/java2d/AbstractGraphics2D.java') diff --git a/gnu/java/awt/java2d/AbstractGraphics2D.java b/gnu/java/awt/java2d/AbstractGraphics2D.java index f057d8b23..04bb0330b 100644 --- a/gnu/java/awt/java2d/AbstractGraphics2D.java +++ b/gnu/java/awt/java2d/AbstractGraphics2D.java @@ -39,6 +39,7 @@ package gnu.java.awt.java2d; import java.awt.AWTError; import java.awt.AlphaComposite; +import java.awt.AWTPermission; import java.awt.BasicStroke; import java.awt.Color; import java.awt.Composite; @@ -539,6 +540,15 @@ public abstract class AbstractGraphics2D */ public void setComposite(Composite comp) { + if (! (comp instanceof AlphaComposite)) + { + // FIXME: this check is only required "if this Graphics2D + // context is drawing to a Component on the display screen". + SecurityManager sm = System.getSecurityManager(); + if (sm != null) + sm.checkPermission(new AWTPermission("readDisplayPixels")); + } + composite = comp; if (! (comp.equals(AlphaComposite.SrcOver))) isOptimized = false; -- cgit v1.2.1