X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=synfig-core%2Ftags%2Fstable%2Fsrc%2Fmodules%2Flyr_std%2Fwarp.cpp;h=60a41c7a36a9bf8a51b5f5778b574c180b90726e;hb=684cf1db661a9a5cbc142238cf05d6d2f7aa3f89;hp=f3767aebe0bc61c5977c5099c1686d90a916c2ce;hpb=40dd10f62f1b0983b20cf99dd4780ea73236eb0c;p=synfig.git

diff --git a/synfig-core/tags/stable/src/modules/lyr_std/warp.cpp b/synfig-core/tags/stable/src/modules/lyr_std/warp.cpp
index f3767ae..60a41c7 100644
--- a/synfig-core/tags/stable/src/modules/lyr_std/warp.cpp
+++ b/synfig-core/tags/stable/src/modules/lyr_std/warp.cpp
@@ -6,6 +6,7 @@
 **
 **	\legal
 **	Copyright (c) 2002-2005 Robert B. Quattlebaum Jr., Adrian Bentley
+**	Copyright (c) 2007 Chris Moore
 **
 **	This package is free software; you can redistribute it and/or
 **	modify it under the terms of the GNU General Public License as
@@ -613,6 +614,16 @@ Warp::accelerated_render(Context context,Surface *surface,int quality, const Ren
 	Point min_point(bounding_rect.get_min());
 	Point max_point(bounding_rect.get_max());
 
+	// we're going to divide by the different of these pairs soon;
+	// if they're the same, we'll be dividing by zero, and we don't
+	// want to do that!
+	// \todo what should we do in this case?
+	if (min_point[0] == max_point[0] || min_point[1] == max_point[1])
+	{
+		surface->set_wh(renddesc.get_w(),renddesc.get_h());
+		surface->clear();
+		return true;
+	}
 
 	if(tl[0]>br[0])
 	{