From ec7590287b6806dd4c0b2b905bf8f3ebbb3743c5 Mon Sep 17 00:00:00 2001
From: scislac <scislac@users.sourceforge.net>
Date: Mon, 19 Oct 2009 16:26:43 +0000
Subject: [PATCH] Patch by Luca for 449709

---
 src/display/nr-filter.cpp | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/display/nr-filter.cpp b/src/display/nr-filter.cpp
index 3ca2b0dba..d0e0ec11e 100644
--- a/src/display/nr-filter.cpp
+++ b/src/display/nr-filter.cpp
@@ -168,6 +168,8 @@ int Filter::render(NRArenaItem const *item, NRPixBlock *pb)
     // TODO: with filterRes of 0x0 should return an empty image
     std::pair<double,double> resolution
         = _filter_resolution(filter_area, trans, filterquality);
+    if(!(resolution.first > 0 && resolution.second > 0))
+	return 1;
     units.set_resolution(resolution.first, resolution.second);
     if (_x_pixels > 0) {
         units.set_automatic_resolution(false);
-- 
2.30.2