From 5b2e543089e24aae0557835234ef7f733446dc5b Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Wed, 10 Jan 2024 16:07:47 -0500
Subject: Honor repeated overlay/underlay

---
 include/qpdf/QPDFJob.hh | 12 +++++++-----
 1 file changed, 7 insertions(+), 5 deletions(-)

(limited to 'include')

diff --git a/include/qpdf/QPDFJob.hh b/include/qpdf/QPDFJob.hh
index 315423cd..c291d1e8 100644
--- a/include/qpdf/QPDFJob.hh
+++ b/include/qpdf/QPDFJob.hh
@@ -514,14 +514,16 @@ class QPDFJob
     void handlePageSpecs(QPDF& pdf, std::vector<std::unique_ptr<QPDF>>& page_heap);
     bool shouldRemoveUnreferencedResources(QPDF& pdf);
     void handleRotations(QPDF& pdf);
-    void getUOPagenos(UnderOverlay& uo, std::map<int, std::vector<int>>& pagenos);
+    void getUOPagenos(
+        std::vector<UnderOverlay>& uo, std::map<int, std::map<size_t, std::vector<int>>>& pagenos);
     void handleUnderOverlay(QPDF& pdf);
     std::string doUnderOverlayForPage(
         QPDF& pdf,
         UnderOverlay& uo,
-        std::map<int, std::vector<int>>& pagenos,
+        std::map<int, std::map<size_t, std::vector<int>>>& pagenos,
         size_t page_idx,
-        std::map<int, QPDFObjectHandle>& fo,
+        size_t uo_idx,
+        std::map<int, std::map<size_t, QPDFObjectHandle>>& fo,
         std::vector<QPDFPageObjectHelper>& pages,
         QPDFPageObjectHelper& dest_page);
     void validateUnderOverlay(QPDF& pdf, UnderOverlay* uo);
@@ -696,8 +698,8 @@ class QPDFJob
         size_t oi_min_height{DEFAULT_OI_MIN_HEIGHT};
         size_t oi_min_area{DEFAULT_OI_MIN_AREA};
         size_t ii_min_bytes{DEFAULT_II_MIN_BYTES};
-        UnderOverlay underlay{"underlay"};
-        UnderOverlay overlay{"overlay"};
+        std::vector<UnderOverlay> underlay;
+        std::vector<UnderOverlay> overlay;
         UnderOverlay* under_overlay{nullptr};
         std::vector<PageSpec> page_specs;
         std::map<std::string, RotationSpec> rotations;
-- 
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