QPDFObjectHandle::copyStream

1 files changed, 22 insertions, 0 deletions

diff --git a/libqpdf/QPDFObjectHandle.cc b/libqpdf/QPDFObjectHandle.cc
index ceb91630..f6ba3093 100644
--- a/libqpdf/QPDFObjectHandle.cc
+++ b/libqpdf/QPDFObjectHandle.cc
@@ -2877,6 +2877,28 @@ QPDFObjectHandle::copyObject(std::set<QPDFObjGen>& visited,
     }
 }
 
+QPDFObjectHandle
+QPDFObjectHandle::copyStream()
+{
+    assertStream();
+    QPDFObjectHandle result = newStream(this->getOwningQPDF());
+    QPDFObjectHandle dict = result.getDict();
+    QPDFObjectHandle old_dict = getDict();
+    for (auto& iter: QPDFDictItems(old_dict))
+    {
+        if (iter.second.isIndirect())
+        {
+            dict.replaceKey(iter.first, iter.second);
+        }
+        else
+        {
+            dict.replaceKey(iter.first, iter.second.shallowCopy());
+        }
+    }
+    QPDF::StreamCopier::copyStreamData(getOwningQPDF(), result, *this);
+    return result;
+}
+
 void
 QPDFObjectHandle::makeDirect()
 {