From eb701aad0bcc20d9c60411b9f97f72c183c1ffe7 Mon Sep 17 00:00:00 2001
From: kramm <kramm>
Date: Sat, 2 Dec 2006 14:30:20 +0000
Subject: [PATCH] fixed crash due to transparency groups without a colorspace

---
 lib/pdf/GFXOutputDev.cc |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/pdf/GFXOutputDev.cc b/lib/pdf/GFXOutputDev.cc
index 8da82ec..e00096c 100644
--- a/lib/pdf/GFXOutputDev.cc
+++ b/lib/pdf/GFXOutputDev.cc
@@ -2461,7 +2461,10 @@ void GFXOutputDev::beginTransparencyGroup(GfxState *state, double *bbox,
 				      GBool isolated, GBool knockout,
 				      GBool forSoftMask)
 {
-    char*colormodename = GfxColorSpace::getColorSpaceModeName(blendingColorSpace->getMode());
+    char*colormodename = "";
+    if(blendingColorSpace) {
+	colormodename = GfxColorSpace::getColorSpaceModeName(blendingColorSpace->getMode());
+    }
     msg("<verbose> beginTransparencyGroup %.1f/%.1f/%.1f/%.1f %s isolated=%d knockout=%d forsoftmask=%d", bbox[0],bbox[1],bbox[2],bbox[3], colormodename, isolated, knockout, forSoftMask);
     states[statepos].createsoftmask = forSoftMask;
     states[statepos].transparencygroup = !forSoftMask;
-- 
1.7.10.4