make xpdf check GfxState nesting

diff --git a/lib/pdf/xpdf-changes.patch b/lib/pdf/xpdf-changes.patch
index 47720ae..c6c2db0 100644 (file)
--- a/lib/pdf/xpdf-changes.patch
+++ b/lib/pdf/xpdf-changes.patch
@@ -39,6 +39,24 @@ diff -u -r1.9 -r1.10
  }
  
  Gfx::Gfx(XRef *xrefA, OutputDev *outA, Dict *resDict,
+@@ -3783,6 +3789,7 @@
+   pushResources(resDict);
+ 
+   // save current graphics state
++  GfxState*mystate = state;
+   saveState();
+ 
+   // kill any pre-existing path
+@@ -3848,6 +3855,9 @@
+ 
+   // restore graphics state
+   restoreState();
++  if(state!=mystate) {
++      fprintf(stderr, "Invalid state nesting in PDF file- file broken?\n");
++  }
+ 
+   // pop resource stack
+   popResources();
 Index: GfxFont.h
 ===================================================================
 RCS file: /home/kramm/cvs/swftools.cache.cvsroot/swftools.cache/pdf2swf/xpdf/GfxFont.h,v