From c9271335fa8eef118b7294076bd079698919f430 Mon Sep 17 00:00:00 2001
From: Jay Berkenbilt <ejb@ql.org>
Date: Wed, 30 Dec 2020 12:51:04 -0500
Subject: Add QPDFPageObjectHelper::flattenRotation and --flatten-rotation

---
 include/qpdf/QPDFPageObjectHelper.hh | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'include')

diff --git a/include/qpdf/QPDFPageObjectHelper.hh b/include/qpdf/QPDFPageObjectHelper.hh
index a197ece7..42d67088 100644
--- a/include/qpdf/QPDFPageObjectHelper.hh
+++ b/include/qpdf/QPDFPageObjectHelper.hh
@@ -242,6 +242,16 @@ class QPDFPageObjectHelper: public QPDFObjectHelper
         bool allow_shrink = true,
         bool allow_expand = false);
 
+    // If a page is rotated using /Rotate in the page's dictionary,
+    // instead rotate the page by the same amount by altering the
+    // contents and removing the /Rotate key. This method adjusts the
+    // various page bounding boxes (/MediaBox, etc.) so that the page
+    // will have the same semantics. This can be useful to work around
+    // problems with PDF applications that can't properly handle
+    // rotated pages.
+    QPDF_DLL
+    void flattenRotation();
+
   private:
     static void
     removeUnreferencedResourcesHelper(
-- 
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