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diff --git a/core/fpdfapi/edit/cpdf_pagecontentgenerator.h b/core/fpdfapi/edit/cpdf_pagecontentgenerator.h
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+++ b/core/fpdfapi/edit/cpdf_pagecontentgenerator.h
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+// Copyright 2016 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#ifndef CORE_FPDFAPI_EDIT_CPDF_PAGECONTENTGENERATOR_H_
+#define CORE_FPDFAPI_EDIT_CPDF_PAGECONTENTGENERATOR_H_
+
+#include "core/fpdfapi/fpdf_parser/cpdf_document.h"
+#include "core/fxcrt/fx_basic.h"
+#include "core/fxcrt/fx_coordinates.h"
+#include "core/fxcrt/fx_system.h"
+
+class CPDF_Object;
+class CPDF_Page;
+class CPDF_PageObject;
+class CPDF_ImageObject;
+
+class CPDF_PageContentGenerator {
+ public:
+  explicit CPDF_PageContentGenerator(CPDF_Page* pPage);
+  ~CPDF_PageContentGenerator();
+
+  FX_BOOL InsertPageObject(CPDF_PageObject* pPageObject);
+  void GenerateContent();
+  void TransformContent(CFX_Matrix& matrix);
+
+ private:
+  void ProcessImage(CFX_ByteTextBuf& buf, CPDF_ImageObject* pImageObj);
+  void ProcessForm(CFX_ByteTextBuf& buf,
+                   const uint8_t* data,
+                   uint32_t size,
+                   CFX_Matrix& matrix);
+  CFX_ByteString RealizeResource(CPDF_Object* pResourceObj,
+                                 const CFX_ByteString& bsType);
+
+  CPDF_Page* m_pPage;
+  CPDF_Document* m_pDocument;
+  CFX_ArrayTemplate<CPDF_PageObject*> m_pageObjects;
+};
+
+#endif  // CORE_FPDFAPI_EDIT_CPDF_PAGECONTENTGENERATOR_H_