diff --git a/ChangeLog b/ChangeLog
index 6df313d20..6394bcd44 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-12-22 Fred Kiefer <FredKiefer@gmx.de>
+
+	* Headers/AppKit/NSView.h,
+	* Source/NSView.m: Add the 10.5 coordinate transformation methods.
+
 2010-12-22 Fred Kiefer <FredKiefer@gmx.de>
 
 	* Headers/AppKit/NSDragging.h,
diff --git a/Headers/AppKit/NSView.h b/Headers/AppKit/NSView.h
index 32236cd57..4b309cd8a 100644
--- a/Headers/AppKit/NSView.h
+++ b/Headers/AppKit/NSView.h
@@ -239,6 +239,14 @@ PACKAGE_SCOPE
 	      fromView: (NSView*)aView;
 - (NSSize) convertSize: (NSSize)aSize
 		toView: (NSView*)aView;
+#if OS_API_VERSION(MAC_OS_X_VERSION_10_5, GS_API_LATEST)
+- (NSPoint) convertPointFromBase: (NSPoint)aPoint;
+- (NSPoint) convertPointToBase: (NSPoint)aPoint;
+- (NSRect) convertRectFromBase: (NSRect)aRect;
+- (NSRect) convertRectToBase: (NSRect)aRect;
+- (NSSize) convertSizeFromBase: (NSSize)aSize;
+- (NSSize) convertSizeToBase: (NSSize)aSize;
+#endif
 
 /*
  * Notifying Ancestor Views
diff --git a/Source/NSView.m b/Source/NSView.m
index 9bf47e9ab..c7d927df2 100644
--- a/Source/NSView.m
+++ b/Source/NSView.m
@@ -1844,6 +1844,36 @@ convert_rect_using_matrices(NSRect aRect, NSAffineTransform *matrix1,
   return new;
 }
 
+- (NSPoint) convertPointFromBase: (NSPoint)aPoint
+{
+  return [self convertPoint: aPoint fromView: nil];
+}
+
+- (NSPoint) convertPointToBase: (NSPoint)aPoint
+{
+  return [self convertPoint: aPoint toView: nil];
+}
+
+- (NSRect) convertRectFromBase: (NSRect)aRect
+{
+  return [self convertRect: aRect fromView: nil];
+}
+
+- (NSRect) convertRectToBase: (NSRect)aRect
+{
+  return [self convertRect: aRect toView: nil];
+}
+
+- (NSSize) convertSizeFromBase: (NSSize)aSize
+{
+  return [self convertSize: aSize fromView: nil];
+}
+
+- (NSSize) convertSizeToBase: (NSSize)aSize
+{
+  return [self convertSize: aSize toView: nil];
+}
+
 /** 
  * Sets whether the receiver should post NSViewFrameDidChangeNotification 
  * when its frame changed.