From a1554bad2efd40c185096ce81c4ad786d43a1e16 Mon Sep 17 00:00:00 2001
From: Felipe Corr??a da Silva Sanches <juca@members.fsf.org>
Date: Thu, 16 Aug 2007 16:50:59 +0000
Subject: avoid crash described in bug report [ 1762588 ] crash: feOffset with
 input StrokePaint or FillPaint

(bzr r3482)
---
 src/display/nr-filter-offset.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/display/nr-filter-offset.cpp b/src/display/nr-filter-offset.cpp
index 3b9c051e2..4facd9436 100644
--- a/src/display/nr-filter-offset.cpp
+++ b/src/display/nr-filter-offset.cpp
@@ -35,6 +35,12 @@ int FilterOffset::render(FilterSlot &slot, Matrix const &trans) {
     NRPixBlock *in = slot.get(_input);
     NRPixBlock *out = new NRPixBlock;
 
+    // Bail out if source image is missing
+    if (!in) {
+        g_warning("Missing source image for feOffset (in=%d)", _input);
+        return 1;
+    }
+
     Point offset(dx, dy);
     offset *= trans;
     offset[X] -= trans[4];
-- 
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