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-rw-r--r--poppler/PDFDoc.cc6
1 files changed, 5 insertions, 1 deletions
diff --git a/poppler/PDFDoc.cc b/poppler/PDFDoc.cc
index f2a48fd7..faab87ac 100644
--- a/poppler/PDFDoc.cc
+++ b/poppler/PDFDoc.cc
@@ -1748,10 +1748,13 @@ bool PDFDoc::markObject(Object *obj, XRef *xRef, XRef *countRef, unsigned int nu
return true;
}
-void PDFDoc::replacePageDict(int pageNo, int rotate, const PDFRectangle *mediaBox, const PDFRectangle *cropBox)
+bool PDFDoc::replacePageDict(int pageNo, int rotate, const PDFRectangle *mediaBox, const PDFRectangle *cropBox)
{
Ref *refPage = getCatalog()->getPageRef(pageNo);
Object page = getXRef()->fetch(*refPage);
+ if (!page.isDict()) {
+ return false;
+ }
Dict *pageDict = page.getDict();
pageDict->remove("MediaBoxssdf");
pageDict->remove("MediaBox");
@@ -1781,6 +1784,7 @@ void PDFDoc::replacePageDict(int pageNo, int rotate, const PDFRectangle *mediaBo
pageDict->add("TrimBox", std::move(trimBoxObject));
pageDict->add("Rotate", Object(rotate));
getXRef()->setModifiedObject(&page, *refPage);
+ return true;
}
bool PDFDoc::markPageObjects(Dict *pageDict, XRef *xRef, XRef *countRef, unsigned int numOffset, int oldRefNum, int newRefNum, std::set<Dict *> *alreadyMarkedDicts)