From 9ceca2ba1389eef8c06774bba59e49165881355f Mon Sep 17 00:00:00 2001
From: Rob Kaufman <rob@notch8.com>
Date: Thu, 21 Sep 2023 00:14:17 -0700
Subject: [PATCH 1/2] make sure layers are flattened to fix pdf tripple issue

---
 .../derivatives/processors/image_decorator.rb | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 lib/hydra/derivatives/processors/image_decorator.rb

diff --git a/lib/hydra/derivatives/processors/image_decorator.rb b/lib/hydra/derivatives/processors/image_decorator.rb
new file mode 100644
index 000000000..f9f4145af
--- /dev/null
+++ b/lib/hydra/derivatives/processors/image_decorator.rb
@@ -0,0 +1,28 @@
+# frozen_string_literal: true
+
+# Fix PDF tripple issue
+
+module Hydra
+  module Derivatives
+    module Processors
+      module ImageDecorator
+        protected
+
+          # When resizing images, it is necessary to flatten any layers, otherwise the background
+          # may be completely black. This happens especially with PDFs. See #110
+          def create_resized_image
+            create_image do |xfrm|
+              if size
+                xfrm.combine_options do |i|
+                  i.flatten
+                  i.resize(size)
+                end
+              end
+            end
+          end
+      end
+    end
+  end
+end
+
+::Hydra::Derivatives::Processors::Image.prepend(Hydra::Derivatives::Processors::ImageDecorator)

From 485dcec8e93ba9f3c526bc4cb938d2adc682f158 Mon Sep 17 00:00:00 2001
From: Kirk Wang <kirk.wang@scientist.com>
Date: Thu, 21 Sep 2023 08:52:40 -0700
Subject: [PATCH 2/2] Update
 lib/hydra/derivatives/processors/image_decorator.rb

Co-authored-by: Alisha Evans <alishaevn2@gmail.com>
---
 lib/hydra/derivatives/processors/image_decorator.rb | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/hydra/derivatives/processors/image_decorator.rb b/lib/hydra/derivatives/processors/image_decorator.rb
index f9f4145af..6c4d610af 100644
--- a/lib/hydra/derivatives/processors/image_decorator.rb
+++ b/lib/hydra/derivatives/processors/image_decorator.rb
@@ -9,7 +9,7 @@ module ImageDecorator
         protected
 
           # When resizing images, it is necessary to flatten any layers, otherwise the background
-          # may be completely black. This happens especially with PDFs. See #110
+          # may be completely black. This happens especially with PDFs. See https://github.com/samvera/hydra-derivatives/issues/110
           def create_resized_image
             create_image do |xfrm|
               if size