Update pdf-overlay-page example to copy annotations

1 files changed, 7 insertions, 1 deletions

diff --git a/examples/pdf-overlay-page.cc b/examples/pdf-overlay-page.cc
index 88722352..1e06c40c 100644
--- a/examples/pdf-overlay-page.cc
+++ b/examples/pdf-overlay-page.cc
@@ -56,9 +56,10 @@ static void stamp_page(char const* infile,
 
         // Generate content to place the form XObject centered within
         // destination page's trim box.
+        QPDFMatrix m;
         std::string content =
             ph.placeFormXObject(
-                stamp_fo, name, ph.getTrimBox().getArrayAsRectangle());
+                stamp_fo, name, ph.getTrimBox().getArrayAsRectangle(), m);
         if (! content.empty())
         {
             // Append the content to the page's content. Surround the
@@ -72,6 +73,11 @@ static void stamp_page(char const* infile,
             ph.addPageContents(
                 QPDFObjectHandle::newStream(&inpdf, "\nQ\n" + content), false);
         }
+        // Copy the annotations and form fields from the original page
+        // to the new page. For more efficiency when copying multiple
+        // pages, we can create a QPDFAcroFormDocumentHelper and pass
+        // it in. See comments in QPDFPageObjectHelper.hh for details.
+        ph.copyAnnotations(stamp_page_1, m);
     }
 
     QPDFWriter w(inpdf, outfile);