From: jucablues <jucablues@users.sourceforge.net>
Date: Thu, 16 Aug 2007 16:50:59 +0000 (+0000)
Subject: avoid crash described in bug report [ 1762588 ] crash: feOffset with
X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=f475f45d136f95c043e3c1b9c2f9ccad842f9a06;p=inkscape.git

avoid crash described in bug report [ 1762588 ] crash: feOffset with
input StrokePaint or FillPaint
---

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];