--- a/dwt/graphics/Pattern.d	Tue Oct 21 15:20:04 2008 +0200
+++ b/dwt/graphics/Pattern.d	Mon Dec 01 17:07:00 2008 +0100
@@ -1,5 +1,5 @@
-/*******************************************************************************
- * Copyright (c) 2000, 2007 IBM Corporation and others.
+/*******************************************************************************
+ * Copyright (c) 2000, 2008 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
@@ -9,7 +9,7 @@
  *     IBM Corporation - initial API and implementation
  *     
  * Port to the D programming language:
- *     Jacob Carlborg <jacob.carlborg@gmail.com>
+ *     Jacob Carlborg <doob@me.com>
  *******************************************************************************/
 module dwt.graphics.Pattern;
 
@@ -18,9 +18,11 @@
 import dwt.DWT;
 import dwt.DWTError;
 import dwt.DWTException;
+import dwt.internal.cocoa.NSAutoreleasePool;
 import dwt.internal.cocoa.NSColor;
 import dwt.internal.cocoa.NSGradient;
 import dwt.internal.cocoa.NSPoint;
+import dwt.internal.cocoa.NSThread;
 
 import tango.text.convert.Format;
 
@@ -44,6 +46,10 @@
  * which may not be available on some platforms.
  * </p>
  * 
+ * @see <a href="http://www.eclipse.org/swt/snippets/#path">Path, Pattern snippets</a>
+ * @see <a href="http://www.eclipse.org/swt/examples.php">DWT Example: GraphicsExample</a>
+ * @see <a href="http://www.eclipse.org/swt/">Sample code and further information</a>
+ *
  * @since 3.1
  */
 public class Pattern : Resource {
@@ -85,10 +91,16 @@
     super(device);
     if (image is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
     if (image.isDisposed()) DWT.error(DWT.ERROR_INVALID_ARGUMENT);
-    this.image = image;
-    color = NSColor.colorWithPatternImage(image.handle);
-    color.retain();
+    NSAutoreleasePool pool = null;
+    if (!NSThread.isMainThread()) pool = (NSAutoreleasePool) new NSAutoreleasePool().alloc().init();
+    try {
+        this.image = image;
+        color = NSColor.colorWithPatternImage(image.handle);
+        color.retain();
     init_();
+    } finally {
+        if (pool !is null) pool.release();
+    }
 }
 
 /**
@@ -168,20 +180,26 @@
     if (color1.isDisposed()) DWT.error(DWT.ERROR_INVALID_ARGUMENT);
     if (color2 is null) DWT.error(DWT.ERROR_NULL_ARGUMENT);
     if (color2.isDisposed()) DWT.error(DWT.ERROR_INVALID_ARGUMENT);
-    pt1 = NSPoint();
-    pt2 = NSPoint();
-    pt1.x = x1;
-    pt1.y = y1;
-    pt2.x = x2;
-    pt2.y = y2;
-    this.color1 = color1.handle;
-    this.color2 = color2.handle;
-    this.alpha1 = alpha1;
-    this.alpha2 = alpha2;
+    NSAutoreleasePool pool = null;
+    if (!NSThread.isMainThread()) pool = cast(NSAutoreleasePool) (new NSAutoreleasePool()).alloc().init();
+    try {
+        pt1 = NSPoint();
+        pt2 = NSPoint();
+        pt1.x = x1;
+        pt1.y = y1;
+        pt2.x = x2;
+        pt2.y = y2;
+        this.color1 = color1.handle;
+        this.color2 = color2.handle;
+        this.alpha1 = alpha1;
+        this.alpha2 = alpha2;
     NSColor start = NSColor.colorWithDeviceRed(cast(CGFloat) color1.handle[0], cast(CGFloat) color1.handle[1], cast(CGFloat) color1.handle[2], cast(CGFloat) (alpha1 / 255f));
     NSColor end = NSColor.colorWithDeviceRed(cast(CGFloat) color2.handle[0], cast(CGFloat) color2.handle[1], cast(CGFloat) color2.handle[2], cast(CGFloat) (alpha2 / 255f));
     gradient = (cast(NSGradient)(new NSGradient()).alloc()).initWithStartingColor(start, end);
     init_();
+    } finally {
+        if (pool !is null) pool.release();
+    }
 }
 
 void destroy() {