fpdfsdk/ differences with XFA (for didactic purposes only).

fpdfsdk/src/fpdfeditpage.cpp

 // Copyright 2014 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
 
 #include "public/fpdf_edit.h"
 
+#ifdef PDF_ENABLE_XFA
+#include "../include/fpdfxfa/fpdfxfa_app.h"
+#include "../include/fpdfxfa/fpdfxfa_doc.h"
+#include "../include/fpdfxfa/fpdfxfa_page.h"
+#endif
 #include "fpdfsdk/include/fsdk_define.h"
 #include "public/fpdf_formfill.h"
 
 #if _FX_OS_ == _FX_ANDROID_
 #include "time.h"
 #else
 #include <ctime>
 #endif
 
 DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_CreateNewDocument() {
@@ skipping 52 matching lines @@
   CPDF_Array* pMediaBoxArray = new CPDF_Array;
   pMediaBoxArray->Add(new CPDF_Number(0));
   pMediaBoxArray->Add(new CPDF_Number(0));
   pMediaBoxArray->Add(new CPDF_Number(FX_FLOAT(width)));
   pMediaBoxArray->Add(new CPDF_Number(FX_FLOAT(height)));
 
   pPageDict->SetAt("MediaBox", pMediaBoxArray);
   pPageDict->SetAt("Rotate", new CPDF_Number(0));
   pPageDict->SetAt("Resources", new CPDF_Dictionary);
 
+#ifndef PDF_ENABLE_XFA
   CPDF_Page* pPage = new CPDF_Page;
   pPage->Load(pDoc, pPageDict);
   pPage->ParseContent();
+#else
+  CPDFXFA_Page* pPage =
+      new CPDFXFA_Page((CPDFXFA_Document*)document, page_index);
+  pPage->LoadPDFPage(pPageDict);
+#endif
 
   return pPage;
 }
 
 DLLEXPORT int STDCALL FPDFPage_GetRotation(FPDF_PAGE page) {
   CPDF_Page* pPage = CPDFPageFromFPDFPage(page);
   if (!pPage || !pPage->m_pFormDict || !pPage->m_pFormDict->KeyExist("Type") ||
       !pPage->m_pFormDict->GetElement("Type")->GetDirect() ||
       pPage->m_pFormDict->GetElement("Type")->GetDirect()->GetString().Compare(
           "Page")) {
@@ skipping 197 matching lines @@
       !pPage->m_pFormDict->GetElement("Type")->GetDirect() ||
       pPage->m_pFormDict->GetElement("Type")->GetDirect()->GetString().Compare(
           "Page")) {
     return;
   }
   CPDF_Dictionary* pDict = pPage->m_pFormDict;
   rotate %= 4;
 
   pDict->SetAt("Rotate", new CPDF_Number(rotate * 90));
 }