Make CPDF_PageContentGenerator methods take object numbers

core/fpdfapi/page/cpdf_docpagedata.h

 // 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_PAGE_CPDF_DOCPAGEDATA_H_
 #define CORE_FPDFAPI_PAGE_CPDF_DOCPAGEDATA_H_
 
 #include <map>
@@ skipping 24 matching lines @@
                              CPDF_FontEncoding* pEncoding);
   void ReleaseFont(const CPDF_Dictionary* pFontDict);
   CPDF_ColorSpace* GetColorSpace(CPDF_Object* pCSObj,
                                  const CPDF_Dictionary* pResources);
   CPDF_ColorSpace* GetCopiedColorSpace(CPDF_Object* pCSObj);
   void ReleaseColorSpace(const CPDF_Object* pColorSpace);
   CPDF_Pattern* GetPattern(CPDF_Object* pPatternObj,
                            bool bShading,
                            const CFX_Matrix& matrix);
   void ReleasePattern(const CPDF_Object* pPatternObj);
-  CPDF_Image* GetImage(CPDF_Object* pImageStream);
-  void ReleaseImage(const CPDF_Object* pImageStream);
+  CPDF_Image* GetImage(uint32_t dwStreamObjNum);
+  void ReleaseImage(uint32_t dwStreamObjNum);
   CPDF_IccProfile* GetIccProfile(CPDF_Stream* pIccProfileStream);
   void ReleaseIccProfile(const CPDF_IccProfile* pIccProfile);
   CPDF_StreamAcc* GetFontFileStreamAcc(CPDF_Stream* pFontStream);
   void ReleaseFontFileStreamAcc(const CPDF_Stream* pFontStream);
   bool IsForceClear() const { return m_bForceClear; }
   CPDF_CountedColorSpace* FindColorSpacePtr(CPDF_Object* pCSObj) const;
   CPDF_CountedPattern* FindPatternPtr(CPDF_Object* pPatternObj) const;
 
  private:
   using CPDF_CountedFont = CPDF_CountedObject<CPDF_Font>;
@@ skipping 19 matching lines @@
   std::map<CFX_ByteString, CPDF_Stream*> m_HashProfileMap;
   CPDF_ColorSpaceMap m_ColorSpaceMap;
   CPDF_FontFileMap m_FontFileMap;
   CPDF_FontMap m_FontMap;
   CPDF_IccProfileMap m_IccProfileMap;
   CPDF_ImageMap m_ImageMap;
   CPDF_PatternMap m_PatternMap;
 };
 
 #endif  // CORE_FPDFAPI_PAGE_CPDF_DOCPAGEDATA_H_