From c8d3af9841f3ab9f3a6a16cf91a24b41174ffb0e Mon Sep 17 00:00:00 2001
From: Pete Matsyburka <pete@docuseal.com>
Date: Thu, 13 Aug 2026 15:55:26 +0300
Subject: [PATCH] import acro form

---
 Dockerfile    | 4 ++--
 lib/pdfium.rb | 8 ++++++++
 2 files changed, 10 insertions(+), 2 deletions(-)

diff --git a/Dockerfile b/Dockerfile
index 94faabc7..8b0bd9d5 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -11,8 +11,8 @@ RUN apk --no-cache add wget unzip && \
     wget -O /model.onnx "https://github.com/docusealco/fields-detection/releases/download/2.0.0/model_704_int8.onnx" && \
     wget -O pdfium-linux.zip "https://github.com/docusealco/pdfium-binaries/releases/download/20260813/pdfium-musl-$(uname -m).zip" && \
     case "$(uname -m)" in \
-      x86_64)  echo "077239c1ef9f0a9d592b4832daa6c733fa20a518dc3e6c1c7700994230b6f22c  pdfium-linux.zip" ;; \
-      aarch64) echo "a5320e0d569e60b20907e57ae25d69720e25adde74ceb1123c279cf1592f645c  pdfium-linux.zip" ;; \
+      x86_64)  echo "97c584564dfd1d772e98bf6695efc4f8da3ff5cf969460ebc92b3642d136e279  pdfium-linux.zip" ;; \
+      aarch64) echo "e004ba036b4dd36649f0116e14030b9216f762b3259d33035ee883659507c917  pdfium-linux.zip" ;; \
     esac | sha256sum -c - && \
     mkdir -p /pdfium-linux && \
     unzip -q pdfium-linux.zip -d /pdfium-linux
diff --git a/lib/pdfium.rb b/lib/pdfium.rb
index 736e01b8..e3c520ff 100644
--- a/lib/pdfium.rb
+++ b/lib/pdfium.rb
@@ -425,6 +425,12 @@ class Pdfium
     define_singleton_method(:FPDF_RemoveOrphanObjects) { |*| -1 } # rubocop:disable Naming/MethodName
   end
 
+  begin
+    attach_function :FPDF_ImportAcroForm, %i[FPDF_DOCUMENT FPDF_DOCUMENT], :int
+  rescue FFI::NotFoundError
+    define_singleton_method(:FPDF_ImportAcroForm) { |*| -1 } # rubocop:disable Naming/MethodName
+  end
+
   FPDF_ERR_SUCCESS = 0
   FPDF_ERR_UNKNOWN = 1
   FPDF_ERR_FILE = 2
@@ -560,6 +566,8 @@ class Pdfium
 
       raise PdfiumError, 'Failed to import pages' if result.zero?
 
+      Pdfium.FPDF_ImportAcroForm(@document_ptr, src_doc.document_ptr)
+
       @page_count = nil
 
       result