CPDF_Document and CPDF_DataAvail are no longer friends

core/fpdfapi/fpdf_parser/cpdf_document.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 "core/fpdfapi/fpdf_parser/include/cpdf_document.h"
 
 #include <memory>
 #include <set>
@@ skipping 494 matching lines @@
     }
   }
   return nullptr;
 }
 
 CPDF_Dictionary* CPDF_Document::GetPagesDict() const {
   CPDF_Dictionary* pRoot = GetRoot();
   return pRoot ? pRoot->GetDictFor("Pages") : nullptr;
 }
 
+bool CPDF_Document::IsPageLoaded(int iPage) const {
+  return !!m_PageList.GetAt(iPage);
+}
+
 CPDF_Dictionary* CPDF_Document::GetPage(int iPage) {
   if (iPage < 0 || iPage >= m_PageList.GetSize())
     return nullptr;
 
   if (m_bLinearized && (iPage == m_iFirstPageNo)) {
     if (CPDF_Dictionary* pDict =
             ToDictionary(GetOrParseIndirectObject(m_dwFirstPageObjNum))) {
       return pDict;
     }
   }
 
   int objnum = m_PageList.GetAt(iPage);
   if (objnum) {
     if (CPDF_Dictionary* pDict = ToDictionary(GetOrParseIndirectObject(objnum)))
       return pDict;
   }
 
   CPDF_Dictionary* pPages = GetPagesDict();
   if (!pPages)
     return nullptr;
 
   CPDF_Dictionary* pPage = FindPDFPage(pPages, iPage, iPage, 0);
   if (!pPage)
     return nullptr;
 
   m_PageList.SetAt(iPage, pPage->GetObjNum());
   return pPage;
 }
 
+void CPDF_Document::SetPageObjNum(int iPage, uint32_t objNum) {
+  m_PageList.SetAt(iPage, objNum);
+}
+
 int CPDF_Document::FindPageIndex(CPDF_Dictionary* pNode,
                                  uint32_t& skip_count,
                                  uint32_t objnum,
                                  int& index,
                                  int level) {
   if (!pNode->KeyExist("Kids")) {
     if (objnum == pNode->GetObjNum())
       return index;
 
     if (skip_count)
@@ skipping 445 matching lines @@
                         pLogFont->lfWeight / 5);
   pFontDesc->SetIntegerFor("CapHeight", capheight);
   AddIndirectObject(pFontDesc);
   pFontDict->SetReferenceFor("FontDescriptor", this, pFontDesc);
   hFont = SelectObject(hDC, hFont);
   DeleteObject(hFont);
   DeleteDC(hDC);
   return LoadFont(pBaseDict);
 }
 #endif  //  _FXM_PLATFORM_ == _FXM_PLATFORM_WINDOWS_