clang-format all code

core/src/fpdfapi/fpdf_page/fpdf_page_doc.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 "../../../include/fpdfapi/fpdf_page.h"
 #include "../../../include/fpdfapi/fpdf_module.h"
 #include "../../../include/fdrm/fx_crypt.h"
 #include "../fpdf_font/font_int.h"
 #include "pageint.h"
-class CPDF_PageModule : public CPDF_PageModuleDef
-{
-public:
-    CPDF_PageModule() : m_StockGrayCS(PDFCS_DEVICEGRAY), m_StockRGBCS(PDFCS_DEVICERGB),
+class CPDF_PageModule : public CPDF_PageModuleDef {
+ public:
+  CPDF_PageModule()
+      : m_StockGrayCS(PDFCS_DEVICEGRAY),
+        m_StockRGBCS(PDFCS_DEVICERGB),
         m_StockCMYKCS(PDFCS_DEVICECMYK) {}
-    virtual ~CPDF_PageModule() {}
-    virtual FX_BOOL             Installed()
-    {
-        return TRUE;
-    }
-    virtual CPDF_DocPageData*   CreateDocData(CPDF_Document* pDoc)
-    {
-        return FX_NEW CPDF_DocPageData(pDoc);
-    }
-    virtual void                ReleaseDoc(CPDF_Document* pDoc);
-    virtual void                ClearDoc(CPDF_Document* pDoc);
-    virtual CPDF_FontGlobals*   GetFontGlobals()
-    {
-        return &m_FontGlobals;
-    }
-    virtual void                                ClearStockFont(CPDF_Document* pDoc)
-    {
-        m_FontGlobals.Clear(pDoc);
-    }
-    virtual CPDF_ColorSpace*    GetStockCS(int family);
-    virtual void                NotifyCJKAvailable();
-    CPDF_FontGlobals    m_FontGlobals;
-    CPDF_DeviceCS               m_StockGrayCS;
-    CPDF_DeviceCS               m_StockRGBCS;
-    CPDF_DeviceCS               m_StockCMYKCS;
-    CPDF_PatternCS              m_StockPatternCS;
+  virtual ~CPDF_PageModule() {}
+  virtual FX_BOOL Installed() { return TRUE; }
+  virtual CPDF_DocPageData* CreateDocData(CPDF_Document* pDoc) {
+    return FX_NEW CPDF_DocPageData(pDoc);
+  }
+  virtual void ReleaseDoc(CPDF_Document* pDoc);
+  virtual void ClearDoc(CPDF_Document* pDoc);
+  virtual CPDF_FontGlobals* GetFontGlobals() { return &m_FontGlobals; }
+  virtual void ClearStockFont(CPDF_Document* pDoc) {
+    m_FontGlobals.Clear(pDoc);
+  }
+  virtual CPDF_ColorSpace* GetStockCS(int family);
+  virtual void NotifyCJKAvailable();
+  CPDF_FontGlobals m_FontGlobals;
+  CPDF_DeviceCS m_StockGrayCS;
+  CPDF_DeviceCS m_StockRGBCS;
+  CPDF_DeviceCS m_StockCMYKCS;
+  CPDF_PatternCS m_StockPatternCS;
 };
-CPDF_ColorSpace* CPDF_PageModule::GetStockCS(int family)
-{
-    if (family == PDFCS_DEVICEGRAY) {
-        return &m_StockGrayCS;
-    }
-    if (family == PDFCS_DEVICERGB) {
-        return &m_StockRGBCS;
-    }
-    if (family == PDFCS_DEVICECMYK) {
-        return &m_StockCMYKCS;
-    }
-    if (family == PDFCS_PATTERN) {
-        return &m_StockPatternCS;
-    }
-    return NULL;
-}
-void CPDF_ModuleMgr::InitPageModule()
-{
-    if (m_pPageModule) {
-        delete m_pPageModule;
-    }
-    CPDF_PageModule* pPageModule = FX_NEW CPDF_PageModule;
-    m_pPageModule = pPageModule;
-}
-void CPDF_PageModule::ReleaseDoc(CPDF_Document* pDoc)
-{
-    delete pDoc->GetPageData();
-}
-void CPDF_PageModule::ClearDoc(CPDF_Document* pDoc)
-{
-    pDoc->GetPageData()->Clear(FALSE);
-}
-void CPDF_PageModule::NotifyCJKAvailable()
-{
-    m_FontGlobals.m_CMapManager.ReloadAll();
-}
-CPDF_Font* CPDF_Document::LoadFont(CPDF_Dictionary* pFontDict)
-{
-    if (!pFontDict) {
-        return NULL;
-    }
-    return GetValidatePageData()->GetFont(pFontDict, FALSE);
-}
-CPDF_Font* CPDF_Document::FindFont(CPDF_Dictionary* pFontDict)
-{
-    if (!pFontDict) {
-        return NULL;
-    }
-    return GetValidatePageData()->GetFont(pFontDict, TRUE);
-}
-CPDF_StreamAcc* CPDF_Document::LoadFontFile(CPDF_Stream* pStream)
-{
-    if (pStream == NULL) {
-        return NULL;
-    }
-    return GetValidatePageData()->GetFontFileStreamAcc(pStream);
+CPDF_ColorSpace* CPDF_PageModule::GetStockCS(int family) {
+  if (family == PDFCS_DEVICEGRAY) {
+    return &m_StockGrayCS;
+  }
+  if (family == PDFCS_DEVICERGB) {
+    return &m_StockRGBCS;
+  }
+  if (family == PDFCS_DEVICECMYK) {
+    return &m_StockCMYKCS;
+  }
+  if (family == PDFCS_PATTERN) {
+    return &m_StockPatternCS;
+  }
+  return NULL;
+}
+void CPDF_ModuleMgr::InitPageModule() {
+  if (m_pPageModule) {
+    delete m_pPageModule;
+  }
+  CPDF_PageModule* pPageModule = FX_NEW CPDF_PageModule;
+  m_pPageModule = pPageModule;
+}
+void CPDF_PageModule::ReleaseDoc(CPDF_Document* pDoc) {
+  delete pDoc->GetPageData();
+}
+void CPDF_PageModule::ClearDoc(CPDF_Document* pDoc) {
+  pDoc->GetPageData()->Clear(FALSE);
+}
+void CPDF_PageModule::NotifyCJKAvailable() {
+  m_FontGlobals.m_CMapManager.ReloadAll();
+}
+CPDF_Font* CPDF_Document::LoadFont(CPDF_Dictionary* pFontDict) {
+  if (!pFontDict) {
+    return NULL;
+  }
+  return GetValidatePageData()->GetFont(pFontDict, FALSE);
+}
+CPDF_Font* CPDF_Document::FindFont(CPDF_Dictionary* pFontDict) {
+  if (!pFontDict) {
+    return NULL;
+  }
+  return GetValidatePageData()->GetFont(pFontDict, TRUE);
+}
+CPDF_StreamAcc* CPDF_Document::LoadFontFile(CPDF_Stream* pStream) {
+  if (pStream == NULL) {
+    return NULL;
+  }
+  return GetValidatePageData()->GetFontFileStreamAcc(pStream);
 }
 CPDF_ColorSpace* _CSFromName(const CFX_ByteString& name);
-CPDF_ColorSpace* CPDF_Document::LoadColorSpace(CPDF_Object* pCSObj, CPDF_Dictionary* pResources)
-{
-    return GetValidatePageData()->GetColorSpace(pCSObj, pResources);
-}
-CPDF_Pattern* CPDF_Document::LoadPattern(CPDF_Object* pPatternObj, FX_BOOL bShading, const CFX_AffineMatrix* matrix)
-{
-    return GetValidatePageData()->GetPattern(pPatternObj, bShading, matrix);
-}
-CPDF_IccProfile* CPDF_Document::LoadIccProfile(CPDF_Stream* pStream, int nComponents)
-{
-    return GetValidatePageData()->GetIccProfile(pStream, nComponents);
-}
-CPDF_Image* CPDF_Document::LoadImageF(CPDF_Object* pObj)
-{
-    if (!pObj) {
-        return NULL;
-    }
-    FXSYS_assert(pObj->GetObjNum());
-    return GetValidatePageData()->GetImage(pObj);
-}
-void CPDF_Document::RemoveColorSpaceFromPageData(CPDF_Object* pCSObj)
-{
-    if (!pCSObj) {
-        return;
-    }
-    GetPageData()->ReleaseColorSpace(pCSObj);
-}
-CPDF_DocPageData::CPDF_DocPageData(CPDF_Document *pPDFDoc)
-    : m_pPDFDoc(pPDFDoc)
-    , m_FontMap()
-    , m_ColorSpaceMap()
-    , m_PatternMap()
-    , m_ImageMap()
-    , m_IccProfileMap()
-    , m_FontFileMap()
-{
-    m_FontMap.InitHashTable(64);
-    m_ColorSpaceMap.InitHashTable(32);
-    m_PatternMap.InitHashTable(16);
-    m_ImageMap.InitHashTable(64);
-    m_IccProfileMap.InitHashTable(16);
-    m_FontFileMap.InitHashTable(32);
-}
-CPDF_DocPageData::~CPDF_DocPageData()
-{
-    Clear(FALSE);
-    Clear(TRUE);
-}
-void CPDF_DocPageData::Clear(FX_BOOL bRelease)
-{
-    FX_POSITION pos;
-    FX_DWORD    nCount;
-    {
-        pos = m_PatternMap.GetStartPosition();
-        while (pos) {
-            CPDF_Object* ptObj;
-            CPDF_CountedObject<CPDF_Pattern*>* ptData;
-            m_PatternMap.GetNextAssoc(pos, ptObj, ptData);
-            nCount = ptData->m_nCount;
-            if (bRelease || nCount < 2) {
-                delete ptData->m_Obj;
-                ptData->m_Obj = NULL;
-            }
-        }
-    }
-    {
-        pos = m_FontMap.GetStartPosition();
-        while (pos) {
-            CPDF_Dictionary* fontDict;
-            CPDF_CountedObject<CPDF_Font*>* fontData;
-            m_FontMap.GetNextAssoc(pos, fontDict, fontData);
-            nCount = fontData->m_nCount;
-            if (bRelease || nCount < 2) {
-                delete fontData->m_Obj;
-                fontData->m_Obj = NULL;
-            }
-        }
-    }
-    {
-        pos = m_ImageMap.GetStartPosition();
-        while (pos) {
-            FX_DWORD objNum;
-            CPDF_CountedObject<CPDF_Image*>* imageData;
-            m_ImageMap.GetNextAssoc(pos, objNum, imageData);
-            nCount = imageData->m_nCount;
-            if (bRelease || nCount < 2) {
-                delete imageData->m_Obj;
-                delete imageData;
-                m_ImageMap.RemoveKey(objNum);
-            }
-        }
-    }
-    {
-        pos = m_ColorSpaceMap.GetStartPosition();
-        while (pos) {
-            CPDF_Object* csKey;
-            CPDF_CountedObject<CPDF_ColorSpace*>* csData;
-            m_ColorSpaceMap.GetNextAssoc(pos, csKey, csData);
-            nCount = csData->m_nCount;
-            if (bRelease || nCount < 2) {
-                csData->m_Obj->ReleaseCS();
-                csData->m_Obj = NULL;
-            }
-        }
-    }
-    {
-        pos = m_IccProfileMap.GetStartPosition();
-        while (pos) {
-            CPDF_Stream* ipKey;
-            CPDF_CountedObject<CPDF_IccProfile*>* ipData;
-            m_IccProfileMap.GetNextAssoc(pos, ipKey, ipData);
-            nCount = ipData->m_nCount;
-            if (bRelease || nCount < 2) {
-                FX_POSITION pos2 = m_HashProfileMap.GetStartPosition();
-                while (pos2) {
-                    CFX_ByteString bsKey;
-                    CPDF_Stream* pFindStream = NULL;
-                    m_HashProfileMap.GetNextAssoc(pos2, bsKey, (void*&)pFindStream);
-                    if (ipKey == pFindStream) {
-                        m_HashProfileMap.RemoveKey(bsKey);
-                        break;
-                    }
-                }
-                delete ipData->m_Obj;
-                delete ipData;
-                m_IccProfileMap.RemoveKey(ipKey);
-            }
-        }
-    }
-    {
-        pos = m_FontFileMap.GetStartPosition();
-        while (pos) {
-            CPDF_Stream* ftKey;
-            CPDF_CountedObject<CPDF_StreamAcc*>* ftData;
-            m_FontFileMap.GetNextAssoc(pos, ftKey, ftData);
-            nCount = ftData->m_nCount;
-            if (bRelease || nCount < 2) {
-                delete ftData->m_Obj;
-                delete ftData;
-                m_FontFileMap.RemoveKey(ftKey);
-            }
-        }
-    }
-}
-CPDF_Font* CPDF_DocPageData::GetFont(CPDF_Dictionary* pFontDict, FX_BOOL findOnly)
-{
-    if (!pFontDict) {
-        return NULL;
-    }
-    if (findOnly) {
-        CPDF_CountedObject<CPDF_Font*>* fontData;
-        if (m_FontMap.Lookup(pFontDict, fontData)) {
-            if (!fontData->m_Obj) {
-                return NULL;
-            }
-            fontData->m_nCount ++;
-            return fontData->m_Obj;
-        }
-        return NULL;
-    }
-    CPDF_CountedObject<CPDF_Font*>* fontData = NULL;
-    if (m_FontMap.Lookup(pFontDict, fontData)) {
-        if (fontData->m_Obj) {
-            fontData->m_nCount ++;
-            return fontData->m_Obj;
-        }
-    }
-    FX_BOOL bNew = FALSE;
-    if (!fontData) {
-        fontData = FX_NEW CPDF_CountedObject<CPDF_Font*>;
-        bNew = TRUE;
-        if (!fontData) {
-            return NULL;
-        }
-    }
-    CPDF_Font* pFont = CPDF_Font::CreateFontF(m_pPDFDoc, pFontDict);
-    if (!pFont) {
-        if (bNew) {
-            delete fontData;
-        }
-        return NULL;
-    }
-    fontData->m_nCount = 2;
-    fontData->m_Obj = pFont;
-    m_FontMap.SetAt(pFontDict, fontData);
-    return pFont;
-}
-CPDF_Font* CPDF_DocPageData::GetStandardFont(FX_BSTR fontName, CPDF_FontEncoding* pEncoding)
-{
-    if (fontName.IsEmpty()) {
-        return NULL;
-    }
-    FX_POSITION pos = m_FontMap.GetStartPosition();
+CPDF_ColorSpace* CPDF_Document::LoadColorSpace(CPDF_Object* pCSObj,
+                                               CPDF_Dictionary* pResources) {
+  return GetValidatePageData()->GetColorSpace(pCSObj, pResources);
+}
+CPDF_Pattern* CPDF_Document::LoadPattern(CPDF_Object* pPatternObj,
+                                         FX_BOOL bShading,
+                                         const CFX_AffineMatrix* matrix) {
+  return GetValidatePageData()->GetPattern(pPatternObj, bShading, matrix);
+}
+CPDF_IccProfile* CPDF_Document::LoadIccProfile(CPDF_Stream* pStream,
+                                               int nComponents) {
+  return GetValidatePageData()->GetIccProfile(pStream, nComponents);
+}
+CPDF_Image* CPDF_Document::LoadImageF(CPDF_Object* pObj) {
+  if (!pObj) {
+    return NULL;
+  }
+  FXSYS_assert(pObj->GetObjNum());
+  return GetValidatePageData()->GetImage(pObj);
+}
+void CPDF_Document::RemoveColorSpaceFromPageData(CPDF_Object* pCSObj) {
+  if (!pCSObj) {
+    return;
+  }
+  GetPageData()->ReleaseColorSpace(pCSObj);
+}
+CPDF_DocPageData::CPDF_DocPageData(CPDF_Document* pPDFDoc)
+    : m_pPDFDoc(pPDFDoc),
+      m_FontMap(),
+      m_ColorSpaceMap(),
+      m_PatternMap(),
+      m_ImageMap(),
+      m_IccProfileMap(),
+      m_FontFileMap() {
+  m_FontMap.InitHashTable(64);
+  m_ColorSpaceMap.InitHashTable(32);
+  m_PatternMap.InitHashTable(16);
+  m_ImageMap.InitHashTable(64);
+  m_IccProfileMap.InitHashTable(16);
+  m_FontFileMap.InitHashTable(32);
+}
+CPDF_DocPageData::~CPDF_DocPageData() {
+  Clear(FALSE);
+  Clear(TRUE);
+}
+void CPDF_DocPageData::Clear(FX_BOOL bRelease) {
+  FX_POSITION pos;
+  FX_DWORD nCount;
+  {
+    pos = m_PatternMap.GetStartPosition();
     while (pos) {
-        CPDF_Dictionary* fontDict;
-        CPDF_CountedObject<CPDF_Font*>* fontData;
-        m_FontMap.GetNextAssoc(pos, fontDict, fontData);
-        CPDF_Font* pFont = fontData->m_Obj;
-        if (!pFont) {
-            continue;
-        }
-        if (pFont->GetBaseFont() != fontName) {
-            continue;
-        }
-        if (pFont->IsEmbedded()) {
-            continue;
-        }
-        if (pFont->GetFontType() != PDFFONT_TYPE1) {
-            continue;
-        }
-        if (pFont->GetFontDict()->KeyExist(FX_BSTRC("Widths"))) {
-            continue;
-        }
-        CPDF_Type1Font* pT1Font = pFont->GetType1Font();
-        if (pEncoding && !pT1Font->GetEncoding()->IsIdentical(pEncoding)) {
-            continue;
-        }
-        fontData->m_nCount ++;
-        return pFont;
-    }
-    CPDF_Dictionary* pDict = FX_NEW CPDF_Dictionary;
-    pDict->SetAtName(FX_BSTRC("Type"), FX_BSTRC("Font"));
-    pDict->SetAtName(FX_BSTRC("Subtype"), FX_BSTRC("Type1"));
-    pDict->SetAtName(FX_BSTRC("BaseFont"), fontName);
-    if (pEncoding) {
-        pDict->SetAt(FX_BSTRC("Encoding"), pEncoding->Realize());
-    }
-    m_pPDFDoc->AddIndirectObject(pDict);
-    CPDF_CountedObject<CPDF_Font*>* fontData = FX_NEW CPDF_CountedObject<CPDF_Font*>;
-    if (!fontData) {
-        return NULL;
-    }
-    CPDF_Font* pFont = CPDF_Font::CreateFontF(m_pPDFDoc, pDict);
-    if (!pFont) {
-        delete fontData;
-        return NULL;
-    }
-    fontData->m_nCount = 2;
-    fontData->m_Obj = pFont;
-    m_FontMap.SetAt(pDict, fontData);
-    return pFont;
-}
-void CPDF_DocPageData::ReleaseFont(CPDF_Dictionary* pFontDict)
-{
-    if (!pFontDict) {
-        return;
-    }
-    CPDF_CountedObject<CPDF_Font*>* fontData;
-    if (!m_FontMap.Lookup(pFontDict, fontData)) {
-        return;
-    }
-    if (fontData->m_Obj && --fontData->m_nCount == 0) {
+      CPDF_Object* ptObj;
+      CPDF_CountedObject<CPDF_Pattern*>* ptData;
+      m_PatternMap.GetNextAssoc(pos, ptObj, ptData);
+      nCount = ptData->m_nCount;
+      if (bRelease || nCount < 2) {
+        delete ptData->m_Obj;
+        ptData->m_Obj = NULL;
+      }
+    }
+  }
+  {
+    pos = m_FontMap.GetStartPosition();
+    while (pos) {
+      CPDF_Dictionary* fontDict;
+      CPDF_CountedObject<CPDF_Font*>* fontData;
+      m_FontMap.GetNextAssoc(pos, fontDict, fontData);
+      nCount = fontData->m_nCount;
+      if (bRelease || nCount < 2) {
         delete fontData->m_Obj;
         fontData->m_Obj = NULL;
-    }
-}
-CPDF_ColorSpace* CPDF_DocPageData::GetColorSpace(CPDF_Object* pCSObj, CPDF_Dictionary* pResources)
-{
-    if (!pCSObj) {
-        return NULL;
-    }
-    if (pCSObj->GetType() == PDFOBJ_NAME) {
-        CFX_ByteString name = pCSObj->GetConstString();
-        CPDF_ColorSpace* pCS = _CSFromName(name);
-        if (!pCS && pResources) {
-            CPDF_Dictionary* pList = pResources->GetDict(FX_BSTRC("ColorSpace"));
-            if (pList) {
-                pCSObj = pList->GetElementValue(name);
-                return GetColorSpace(pCSObj, NULL);
-            }
-        }
-        if (pCS == NULL || pResources == NULL) {
-            return pCS;
-        }
-        CPDF_Dictionary* pColorSpaces = pResources->GetDict(FX_BSTRC("ColorSpace"));
-        if (pColorSpaces == NULL) {
-            return pCS;
-        }
-        CPDF_Object* pDefaultCS = NULL;
-        switch (pCS->GetFamily()) {
-            case PDFCS_DEVICERGB:
-                pDefaultCS = pColorSpaces->GetElementValue(FX_BSTRC("DefaultRGB"));
-                break;
-            case PDFCS_DEVICEGRAY:
-                pDefaultCS = pColorSpaces->GetElementValue(FX_BSTRC("DefaultGray"));
-                break;
-            case PDFCS_DEVICECMYK:
-                pDefaultCS = pColorSpaces->GetElementValue(FX_BSTRC("DefaultCMYK"));
-                break;
-        }
-        if (pDefaultCS == NULL) {
-            return pCS;
-        }
-        return GetColorSpace(pDefaultCS, NULL);
-    }
-    if (pCSObj->GetType() != PDFOBJ_ARRAY) {
-        return NULL;
-    }
-    CPDF_Array* pArray = (CPDF_Array*)pCSObj;
-    if (pArray->GetCount() == 0) {
-        return NULL;
-    }
-    if (pArray->GetCount() == 1) {
-        return GetColorSpace(pArray->GetElementValue(0), pResources);
-    }
-    CPDF_CountedObject<CPDF_ColorSpace*>* csData = NULL;
-    if (m_ColorSpaceMap.Lookup(pCSObj, csData)) {
-        if (csData->m_Obj) {
-            csData->m_nCount++;
-            return csData->m_Obj;
-        }
-    }
-    FX_BOOL bNew = FALSE;
-    if (!csData) {
-        csData = FX_NEW CPDF_CountedObject<CPDF_ColorSpace*>;
-        if (!csData) {
-            return NULL;
-        }
-        bNew = TRUE;
-    }
-    CPDF_ColorSpace* pCS = CPDF_ColorSpace::Load(m_pPDFDoc, pArray);
-    if (!pCS) {
-        if (bNew) {
-            delete csData;
-        }
-        return NULL;
-    }
-    csData->m_nCount = 2;
-    csData->m_Obj = pCS;
-    m_ColorSpaceMap.SetAt(pCSObj, csData);
-    return pCS;
-}
-CPDF_ColorSpace* CPDF_DocPageData::GetCopiedColorSpace(CPDF_Object* pCSObj)
-{
-    if (!pCSObj) {
-        return NULL;
-    }
-    CPDF_CountedObject<CPDF_ColorSpace*>* csData;
-    if (!m_ColorSpaceMap.Lookup(pCSObj, csData)) {
-        return NULL;
-    }
-    if (!csData->m_Obj) {
-        return NULL;
-    }
-    csData->m_nCount ++;
-    return csData->m_Obj;
-}
-void CPDF_DocPageData::ReleaseColorSpace(CPDF_Object* pColorSpace)
-{
-    if (!pColorSpace) {
-        return;
-    }
-    CPDF_CountedObject<CPDF_ColorSpace*>* csData;
-    if (!m_ColorSpaceMap.Lookup(pColorSpace, csData)) {
-        return;
-    }
-    if (csData->m_Obj && --csData->m_nCount == 0) {
+      }
+    }
+  }
+  {
+    pos = m_ImageMap.GetStartPosition();
+    while (pos) {
+      FX_DWORD objNum;
+      CPDF_CountedObject<CPDF_Image*>* imageData;
+      m_ImageMap.GetNextAssoc(pos, objNum, imageData);
+      nCount = imageData->m_nCount;
+      if (bRelease || nCount < 2) {
+        delete imageData->m_Obj;
+        delete imageData;
+        m_ImageMap.RemoveKey(objNum);
+      }
+    }
+  }
+  {
+    pos = m_ColorSpaceMap.GetStartPosition();
+    while (pos) {
+      CPDF_Object* csKey;
+      CPDF_CountedObject<CPDF_ColorSpace*>* csData;
+      m_ColorSpaceMap.GetNextAssoc(pos, csKey, csData);
+      nCount = csData->m_nCount;
+      if (bRelease || nCount < 2) {
         csData->m_Obj->ReleaseCS();
         csData->m_Obj = NULL;
-    }
-}
-CPDF_Pattern* CPDF_DocPageData::GetPattern(CPDF_Object* pPatternObj, FX_BOOL bShading, const CFX_AffineMatrix* matrix)
-{
-    if (!pPatternObj) {
+      }
+    }
+  }
+  {
+    pos = m_IccProfileMap.GetStartPosition();
+    while (pos) {
+      CPDF_Stream* ipKey;
+      CPDF_CountedObject<CPDF_IccProfile*>* ipData;
+      m_IccProfileMap.GetNextAssoc(pos, ipKey, ipData);
+      nCount = ipData->m_nCount;
+      if (bRelease || nCount < 2) {
+        FX_POSITION pos2 = m_HashProfileMap.GetStartPosition();
+        while (pos2) {
+          CFX_ByteString bsKey;
+          CPDF_Stream* pFindStream = NULL;
+          m_HashProfileMap.GetNextAssoc(pos2, bsKey, (void*&)pFindStream);
+          if (ipKey == pFindStream) {
+            m_HashProfileMap.RemoveKey(bsKey);
+            break;
+          }
+        }
+        delete ipData->m_Obj;
+        delete ipData;
+        m_IccProfileMap.RemoveKey(ipKey);
+      }
+    }
+  }
+  {
+    pos = m_FontFileMap.GetStartPosition();
+    while (pos) {
+      CPDF_Stream* ftKey;
+      CPDF_CountedObject<CPDF_StreamAcc*>* ftData;
+      m_FontFileMap.GetNextAssoc(pos, ftKey, ftData);
+      nCount = ftData->m_nCount;
+      if (bRelease || nCount < 2) {
+        delete ftData->m_Obj;
+        delete ftData;
+        m_FontFileMap.RemoveKey(ftKey);
+      }
+    }
+  }
+}
+CPDF_Font* CPDF_DocPageData::GetFont(CPDF_Dictionary* pFontDict,
+                                     FX_BOOL findOnly) {
+  if (!pFontDict) {
+    return NULL;
+  }
+  if (findOnly) {
+    CPDF_CountedObject<CPDF_Font*>* fontData;
+    if (m_FontMap.Lookup(pFontDict, fontData)) {
+      if (!fontData->m_Obj) {
         return NULL;
-    }
-    CPDF_CountedObject<CPDF_Pattern*>* ptData = NULL;
-    if (m_PatternMap.Lookup(pPatternObj, ptData)) {
-        if (ptData->m_Obj) {
-            ptData->m_nCount++;
-            return ptData->m_Obj;
-        }
-    }
-    FX_BOOL bNew = FALSE;
+      }
+      fontData->m_nCount++;
+      return fontData->m_Obj;
+    }
+    return NULL;
+  }
+  CPDF_CountedObject<CPDF_Font*>* fontData = NULL;
+  if (m_FontMap.Lookup(pFontDict, fontData)) {
+    if (fontData->m_Obj) {
+      fontData->m_nCount++;
+      return fontData->m_Obj;
+    }
+  }
+  FX_BOOL bNew = FALSE;
+  if (!fontData) {
+    fontData = FX_NEW CPDF_CountedObject<CPDF_Font*>;
+    bNew = TRUE;
+    if (!fontData) {
+      return NULL;
+    }
+  }
+  CPDF_Font* pFont = CPDF_Font::CreateFontF(m_pPDFDoc, pFontDict);
+  if (!pFont) {
+    if (bNew) {
+      delete fontData;
+    }
+    return NULL;
+  }
+  fontData->m_nCount = 2;
+  fontData->m_Obj = pFont;
+  m_FontMap.SetAt(pFontDict, fontData);
+  return pFont;
+}
+CPDF_Font* CPDF_DocPageData::GetStandardFont(FX_BSTR fontName,
+                                             CPDF_FontEncoding* pEncoding) {
+  if (fontName.IsEmpty()) {
+    return NULL;
+  }
+  FX_POSITION pos = m_FontMap.GetStartPosition();
+  while (pos) {
+    CPDF_Dictionary* fontDict;
+    CPDF_CountedObject<CPDF_Font*>* fontData;
+    m_FontMap.GetNextAssoc(pos, fontDict, fontData);
+    CPDF_Font* pFont = fontData->m_Obj;
+    if (!pFont) {
+      continue;
+    }
+    if (pFont->GetBaseFont() != fontName) {
+      continue;
+    }
+    if (pFont->IsEmbedded()) {
+      continue;
+    }
+    if (pFont->GetFontType() != PDFFONT_TYPE1) {
+      continue;
+    }
+    if (pFont->GetFontDict()->KeyExist(FX_BSTRC("Widths"))) {
+      continue;
+    }
+    CPDF_Type1Font* pT1Font = pFont->GetType1Font();
+    if (pEncoding && !pT1Font->GetEncoding()->IsIdentical(pEncoding)) {
+      continue;
+    }
+    fontData->m_nCount++;
+    return pFont;
+  }
+  CPDF_Dictionary* pDict = FX_NEW CPDF_Dictionary;
+  pDict->SetAtName(FX_BSTRC("Type"), FX_BSTRC("Font"));
+  pDict->SetAtName(FX_BSTRC("Subtype"), FX_BSTRC("Type1"));
+  pDict->SetAtName(FX_BSTRC("BaseFont"), fontName);
+  if (pEncoding) {
+    pDict->SetAt(FX_BSTRC("Encoding"), pEncoding->Realize());
+  }
+  m_pPDFDoc->AddIndirectObject(pDict);
+  CPDF_CountedObject<CPDF_Font*>* fontData =
+      FX_NEW CPDF_CountedObject<CPDF_Font*>;
+  if (!fontData) {
+    return NULL;
+  }
+  CPDF_Font* pFont = CPDF_Font::CreateFontF(m_pPDFDoc, pDict);
+  if (!pFont) {
+    delete fontData;
+    return NULL;
+  }
+  fontData->m_nCount = 2;
+  fontData->m_Obj = pFont;
+  m_FontMap.SetAt(pDict, fontData);
+  return pFont;
+}
+void CPDF_DocPageData::ReleaseFont(CPDF_Dictionary* pFontDict) {
+  if (!pFontDict) {
+    return;
+  }
+  CPDF_CountedObject<CPDF_Font*>* fontData;
+  if (!m_FontMap.Lookup(pFontDict, fontData)) {
+    return;
+  }
+  if (fontData->m_Obj && --fontData->m_nCount == 0) {
+    delete fontData->m_Obj;
+    fontData->m_Obj = NULL;
+  }
+}
+CPDF_ColorSpace* CPDF_DocPageData::GetColorSpace(CPDF_Object* pCSObj,
+                                                 CPDF_Dictionary* pResources) {
+  if (!pCSObj) {
+    return NULL;
+  }
+  if (pCSObj->GetType() == PDFOBJ_NAME) {
+    CFX_ByteString name = pCSObj->GetConstString();
+    CPDF_ColorSpace* pCS = _CSFromName(name);
+    if (!pCS && pResources) {
+      CPDF_Dictionary* pList = pResources->GetDict(FX_BSTRC("ColorSpace"));
+      if (pList) {
+        pCSObj = pList->GetElementValue(name);
+        return GetColorSpace(pCSObj, NULL);
+      }
+    }
+    if (pCS == NULL || pResources == NULL) {
+      return pCS;
+    }
+    CPDF_Dictionary* pColorSpaces = pResources->GetDict(FX_BSTRC("ColorSpace"));
+    if (pColorSpaces == NULL) {
+      return pCS;
+    }
+    CPDF_Object* pDefaultCS = NULL;
+    switch (pCS->GetFamily()) {
+      case PDFCS_DEVICERGB:
+        pDefaultCS = pColorSpaces->GetElementValue(FX_BSTRC("DefaultRGB"));
+        break;
+      case PDFCS_DEVICEGRAY:
+        pDefaultCS = pColorSpaces->GetElementValue(FX_BSTRC("DefaultGray"));
+        break;
+      case PDFCS_DEVICECMYK:
+        pDefaultCS = pColorSpaces->GetElementValue(FX_BSTRC("DefaultCMYK"));
+        break;
+    }
+    if (pDefaultCS == NULL) {
+      return pCS;
+    }
+    return GetColorSpace(pDefaultCS, NULL);
+  }
+  if (pCSObj->GetType() != PDFOBJ_ARRAY) {
+    return NULL;
+  }
+  CPDF_Array* pArray = (CPDF_Array*)pCSObj;
+  if (pArray->GetCount() == 0) {
+    return NULL;
+  }
+  if (pArray->GetCount() == 1) {
+    return GetColorSpace(pArray->GetElementValue(0), pResources);
+  }
+  CPDF_CountedObject<CPDF_ColorSpace*>* csData = NULL;
+  if (m_ColorSpaceMap.Lookup(pCSObj, csData)) {
+    if (csData->m_Obj) {
+      csData->m_nCount++;
+      return csData->m_Obj;
+    }
+  }
+  FX_BOOL bNew = FALSE;
+  if (!csData) {
+    csData = FX_NEW CPDF_CountedObject<CPDF_ColorSpace*>;
+    if (!csData) {
+      return NULL;
+    }
+    bNew = TRUE;
+  }
+  CPDF_ColorSpace* pCS = CPDF_ColorSpace::Load(m_pPDFDoc, pArray);
+  if (!pCS) {
+    if (bNew) {
+      delete csData;
+    }
+    return NULL;
+  }
+  csData->m_nCount = 2;
+  csData->m_Obj = pCS;
+  m_ColorSpaceMap.SetAt(pCSObj, csData);
+  return pCS;
+}
+CPDF_ColorSpace* CPDF_DocPageData::GetCopiedColorSpace(CPDF_Object* pCSObj) {
+  if (!pCSObj) {
+    return NULL;
+  }
+  CPDF_CountedObject<CPDF_ColorSpace*>* csData;
+  if (!m_ColorSpaceMap.Lookup(pCSObj, csData)) {
+    return NULL;
+  }
+  if (!csData->m_Obj) {
+    return NULL;
+  }
+  csData->m_nCount++;
+  return csData->m_Obj;
+}
+void CPDF_DocPageData::ReleaseColorSpace(CPDF_Object* pColorSpace) {
+  if (!pColorSpace) {
+    return;
+  }
+  CPDF_CountedObject<CPDF_ColorSpace*>* csData;
+  if (!m_ColorSpaceMap.Lookup(pColorSpace, csData)) {
+    return;
+  }
+  if (csData->m_Obj && --csData->m_nCount == 0) {
+    csData->m_Obj->ReleaseCS();
+    csData->m_Obj = NULL;
+  }
+}
+CPDF_Pattern* CPDF_DocPageData::GetPattern(CPDF_Object* pPatternObj,
+                                           FX_BOOL bShading,
+                                           const CFX_AffineMatrix* matrix) {
+  if (!pPatternObj) {
+    return NULL;
+  }
+  CPDF_CountedObject<CPDF_Pattern*>* ptData = NULL;
+  if (m_PatternMap.Lookup(pPatternObj, ptData)) {
+    if (ptData->m_Obj) {
+      ptData->m_nCount++;
+      return ptData->m_Obj;
+    }
+  }
+  FX_BOOL bNew = FALSE;
+  if (!ptData) {
+    ptData = FX_NEW CPDF_CountedObject<CPDF_Pattern*>;
+    bNew = TRUE;
     if (!ptData) {
-        ptData = FX_NEW CPDF_CountedObject<CPDF_Pattern*>;
-        bNew = TRUE;
-        if (!ptData) {
-            return NULL;
-        }
-    }
-    CPDF_Pattern* pPattern = NULL;
-    if (bShading) {
-        pPattern = FX_NEW CPDF_ShadingPattern(m_pPDFDoc, pPatternObj, bShading, matrix);
-    } else {
-        CPDF_Dictionary* pDict = pPatternObj ? pPatternObj->GetDict() : NULL;
-        if (pDict) {
-            int type = pDict->GetInteger(FX_BSTRC("PatternType"));
-            if (type == 1) {
-                pPattern = FX_NEW CPDF_TilingPattern(m_pPDFDoc, pPatternObj, matrix);
-            } else if (type == 2) {
-                pPattern = FX_NEW CPDF_ShadingPattern(m_pPDFDoc, pPatternObj, FALSE, matrix);
-            }
-        }
-    }
-    if (!pPattern) {
-        if (bNew) {
-            delete ptData;
-        }
-        return NULL;
-    }
-    ptData->m_nCount = 2;
-    ptData->m_Obj = pPattern;
-    m_PatternMap.SetAt(pPatternObj, ptData);
-    return pPattern;
-}
-void CPDF_DocPageData::ReleasePattern(CPDF_Object* pPatternObj)
-{
-    if (!pPatternObj) {
-        return;
-    }
-    CPDF_CountedObject<CPDF_Pattern*>* ptData;
-    if (!m_PatternMap.Lookup(pPatternObj, ptData)) {
-        return;
-    }
-    if (ptData->m_Obj && --ptData->m_nCount == 0) {
-        delete ptData->m_Obj;
-        ptData->m_Obj = NULL;
-    }
-}
-CPDF_Image* CPDF_DocPageData::GetImage(CPDF_Object* pImageStream)
-{
-    if (!pImageStream) {
-        return NULL;
-    }
-    FX_DWORD dwImageObjNum = pImageStream->GetObjNum();
-    CPDF_CountedObject<CPDF_Image*>* imageData;
-    if (m_ImageMap.Lookup(dwImageObjNum, imageData)) {
-        imageData->m_nCount ++;
-        return imageData->m_Obj;
-    }
-    imageData = FX_NEW CPDF_CountedObject<CPDF_Image*>;
-    if (!imageData) {
-        return NULL;
-    }
-    CPDF_Image* pImage = FX_NEW CPDF_Image(m_pPDFDoc);
-    if (!pImage) {
-        delete imageData;
-        return NULL;
-    }
-    pImage->LoadImageF((CPDF_Stream*)pImageStream, FALSE);
-    imageData->m_nCount = 2;
-    imageData->m_Obj = pImage;
-    m_ImageMap.SetAt(dwImageObjNum, imageData);
-    return pImage;
-}
-void CPDF_DocPageData::ReleaseImage(CPDF_Object* pImageStream)
-{
-    if (!pImageStream) {
-        return;
-    }
-    PDF_DocPageData_Release<FX_DWORD, CPDF_Image*>(m_ImageMap, pImageStream->GetObjNum(), NULL);
-}
-CPDF_IccProfile* CPDF_DocPageData::GetIccProfile(CPDF_Stream* pIccProfileStream, FX_INT32 nComponents)
-{
-    if (!pIccProfileStream) {
-        return NULL;
-    }
-    CPDF_CountedObject<CPDF_IccProfile*>* ipData = NULL;
-    if (m_IccProfileMap.Lookup(pIccProfileStream, ipData)) {
-        ipData->m_nCount++;
-        return ipData->m_Obj;
-    }
-    CPDF_StreamAcc stream;
-    stream.LoadAllData(pIccProfileStream, FALSE);
-    FX_BYTE digest[20];
-    CPDF_Stream* pCopiedStream = NULL;
-    CRYPT_SHA1Generate(stream.GetData(), stream.GetSize(), digest);
-    if (m_HashProfileMap.Lookup(CFX_ByteStringC(digest, 20), (void*&)pCopiedStream)) {
-        m_IccProfileMap.Lookup(pCopiedStream, ipData);
-        ipData->m_nCount++;
-        return ipData->m_Obj;
-    }
-    CPDF_IccProfile* pProfile = FX_NEW CPDF_IccProfile(stream.GetData(), stream.GetSize(), nComponents);
-    if (!pProfile) {
-        return NULL;
-    }
-    ipData = FX_NEW CPDF_CountedObject<CPDF_IccProfile*>;
-    if (!ipData) {
-        delete pProfile;
-        return NULL;
-    }
-    ipData->m_nCount = 2;
-    ipData->m_Obj = pProfile;
-    m_IccProfileMap.SetAt(pIccProfileStream, ipData);
-    m_HashProfileMap.SetAt(CFX_ByteStringC(digest, 20), pIccProfileStream);
-    return pProfile;
-}
-void CPDF_DocPageData::ReleaseIccProfile(CPDF_Stream* pIccProfileStream, CPDF_IccProfile* pIccProfile)
-{
-    if (!pIccProfileStream && !pIccProfile) {
-        return;
-    }
-    CPDF_CountedObject<CPDF_IccProfile*>* ipData = NULL;
-    if (m_IccProfileMap.Lookup(pIccProfileStream, ipData) && ipData->m_nCount < 2) {
-        FX_POSITION pos = m_HashProfileMap.GetStartPosition();
-        while (pos) {
-            CFX_ByteString key;
-            CPDF_Stream* pFindStream = NULL;
-            m_HashProfileMap.GetNextAssoc(pos, key, (void*&)pFindStream);
-            if (pIccProfileStream == pFindStream) {
-                m_HashProfileMap.RemoveKey(key);
-                break;
-            }
-        }
-    }
-    PDF_DocPageData_Release<CPDF_Stream*, CPDF_IccProfile*>(m_IccProfileMap, pIccProfileStream, pIccProfile);
-}
-CPDF_StreamAcc* CPDF_DocPageData::GetFontFileStreamAcc(CPDF_Stream* pFontStream)
-{
-    if (!pFontStream) {
-        return NULL;
-    }
-    CPDF_CountedObject<CPDF_StreamAcc*>* ftData;
-    if (m_FontFileMap.Lookup(pFontStream, ftData)) {
-        ftData->m_nCount ++;
-        return ftData->m_Obj;
-    }
-    ftData = FX_NEW CPDF_CountedObject<CPDF_StreamAcc*>;
-    if (!ftData) {
-        return NULL;
-    }
-    CPDF_StreamAcc* pFontFile = FX_NEW CPDF_StreamAcc;
-    if (!pFontFile) {
-        delete ftData;
-        return NULL;
-    }
-    CPDF_Dictionary* pFontDict = pFontStream->GetDict();
-    FX_INT32 org_size = pFontDict->GetInteger(FX_BSTRC("Length1")) + pFontDict->GetInteger(FX_BSTRC("Length2")) + pFontDict->GetInteger(FX_BSTRC("Length3"));
-    if (org_size < 0) {
-        org_size = 0;
-    }
-    pFontFile->LoadAllData(pFontStream, FALSE, org_size);
-    ftData->m_nCount = 2;
-    ftData->m_Obj = pFontFile;
-    m_FontFileMap.SetAt(pFontStream, ftData);
-    return pFontFile;
-}
-void CPDF_DocPageData::ReleaseFontFileStreamAcc(CPDF_Stream* pFontStream, FX_BOOL bForce)
-{
-    if (!pFontStream) {
-        return;
-    }
-    PDF_DocPageData_Release<CPDF_Stream*, CPDF_StreamAcc*>(m_FontFileMap, pFontStream, NULL, bForce);
-}
+      return NULL;
+    }
+  }
+  CPDF_Pattern* pPattern = NULL;
+  if (bShading) {
+    pPattern =
+        FX_NEW CPDF_ShadingPattern(m_pPDFDoc, pPatternObj, bShading, matrix);
+  } else {
+    CPDF_Dictionary* pDict = pPatternObj ? pPatternObj->GetDict() : NULL;
+    if (pDict) {
+      int type = pDict->GetInteger(FX_BSTRC("PatternType"));
+      if (type == 1) {
+        pPattern = FX_NEW CPDF_TilingPattern(m_pPDFDoc, pPatternObj, matrix);
+      } else if (type == 2) {
+        pPattern =
+            FX_NEW CPDF_ShadingPattern(m_pPDFDoc, pPatternObj, FALSE, matrix);
+      }
+    }
+  }
+  if (!pPattern) {
+    if (bNew) {
+      delete ptData;
+    }
+    return NULL;
+  }
+  ptData->m_nCount = 2;
+  ptData->m_Obj = pPattern;
+  m_PatternMap.SetAt(pPatternObj, ptData);
+  return pPattern;
+}
+void CPDF_DocPageData::ReleasePattern(CPDF_Object* pPatternObj) {
+  if (!pPatternObj) {
+    return;
+  }
+  CPDF_CountedObject<CPDF_Pattern*>* ptData;
+  if (!m_PatternMap.Lookup(pPatternObj, ptData)) {
+    return;
+  }
+  if (ptData->m_Obj && --ptData->m_nCount == 0) {
+    delete ptData->m_Obj;
+    ptData->m_Obj = NULL;
+  }
+}
+CPDF_Image* CPDF_DocPageData::GetImage(CPDF_Object* pImageStream) {
+  if (!pImageStream) {
+    return NULL;
+  }
+  FX_DWORD dwImageObjNum = pImageStream->GetObjNum();
+  CPDF_CountedObject<CPDF_Image*>* imageData;
+  if (m_ImageMap.Lookup(dwImageObjNum, imageData)) {
+    imageData->m_nCount++;
+    return imageData->m_Obj;
+  }
+  imageData = FX_NEW CPDF_CountedObject<CPDF_Image*>;
+  if (!imageData) {
+    return NULL;
+  }
+  CPDF_Image* pImage = FX_NEW CPDF_Image(m_pPDFDoc);
+  if (!pImage) {
+    delete imageData;
+    return NULL;
+  }
+  pImage->LoadImageF((CPDF_Stream*)pImageStream, FALSE);
+  imageData->m_nCount = 2;
+  imageData->m_Obj = pImage;
+  m_ImageMap.SetAt(dwImageObjNum, imageData);
+  return pImage;
+}
+void CPDF_DocPageData::ReleaseImage(CPDF_Object* pImageStream) {
+  if (!pImageStream) {
+    return;
+  }
+  PDF_DocPageData_Release<FX_DWORD, CPDF_Image*>(
+      m_ImageMap, pImageStream->GetObjNum(), NULL);
+}
+CPDF_IccProfile* CPDF_DocPageData::GetIccProfile(CPDF_Stream* pIccProfileStream,
+                                                 FX_INT32 nComponents) {
+  if (!pIccProfileStream) {
+    return NULL;
+  }
+  CPDF_CountedObject<CPDF_IccProfile*>* ipData = NULL;
+  if (m_IccProfileMap.Lookup(pIccProfileStream, ipData)) {
+    ipData->m_nCount++;
+    return ipData->m_Obj;
+  }
+  CPDF_StreamAcc stream;
+  stream.LoadAllData(pIccProfileStream, FALSE);
+  FX_BYTE digest[20];
+  CPDF_Stream* pCopiedStream = NULL;
+  CRYPT_SHA1Generate(stream.GetData(), stream.GetSize(), digest);
+  if (m_HashProfileMap.Lookup(CFX_ByteStringC(digest, 20),
+                              (void*&)pCopiedStream)) {
+    m_IccProfileMap.Lookup(pCopiedStream, ipData);
+    ipData->m_nCount++;
+    return ipData->m_Obj;
+  }
+  CPDF_IccProfile* pProfile =
+      FX_NEW CPDF_IccProfile(stream.GetData(), stream.GetSize(), nComponents);
+  if (!pProfile) {
+    return NULL;
+  }
+  ipData = FX_NEW CPDF_CountedObject<CPDF_IccProfile*>;
+  if (!ipData) {
+    delete pProfile;
+    return NULL;
+  }
+  ipData->m_nCount = 2;
+  ipData->m_Obj = pProfile;
+  m_IccProfileMap.SetAt(pIccProfileStream, ipData);
+  m_HashProfileMap.SetAt(CFX_ByteStringC(digest, 20), pIccProfileStream);
+  return pProfile;
+}
+void CPDF_DocPageData::ReleaseIccProfile(CPDF_Stream* pIccProfileStream,
+                                         CPDF_IccProfile* pIccProfile) {
+  if (!pIccProfileStream && !pIccProfile) {
+    return;
+  }
+  CPDF_CountedObject<CPDF_IccProfile*>* ipData = NULL;
+  if (m_IccProfileMap.Lookup(pIccProfileStream, ipData) &&
+      ipData->m_nCount < 2) {
+    FX_POSITION pos = m_HashProfileMap.GetStartPosition();
+    while (pos) {
+      CFX_ByteString key;
+      CPDF_Stream* pFindStream = NULL;
+      m_HashProfileMap.GetNextAssoc(pos, key, (void*&)pFindStream);
+      if (pIccProfileStream == pFindStream) {
+        m_HashProfileMap.RemoveKey(key);
+        break;
+      }
+    }
+  }
+  PDF_DocPageData_Release<CPDF_Stream*, CPDF_IccProfile*>(
+      m_IccProfileMap, pIccProfileStream, pIccProfile);
+}
+CPDF_StreamAcc* CPDF_DocPageData::GetFontFileStreamAcc(
+    CPDF_Stream* pFontStream) {
+  if (!pFontStream) {
+    return NULL;
+  }
+  CPDF_CountedObject<CPDF_StreamAcc*>* ftData;
+  if (m_FontFileMap.Lookup(pFontStream, ftData)) {
+    ftData->m_nCount++;
+    return ftData->m_Obj;
+  }
+  ftData = FX_NEW CPDF_CountedObject<CPDF_StreamAcc*>;
+  if (!ftData) {
+    return NULL;
+  }
+  CPDF_StreamAcc* pFontFile = FX_NEW CPDF_StreamAcc;
+  if (!pFontFile) {
+    delete ftData;
+    return NULL;
+  }
+  CPDF_Dictionary* pFontDict = pFontStream->GetDict();
+  FX_INT32 org_size = pFontDict->GetInteger(FX_BSTRC("Length1")) +
+                      pFontDict->GetInteger(FX_BSTRC("Length2")) +
+                      pFontDict->GetInteger(FX_BSTRC("Length3"));
+  if (org_size < 0) {
+    org_size = 0;
+  }
+  pFontFile->LoadAllData(pFontStream, FALSE, org_size);
+  ftData->m_nCount = 2;
+  ftData->m_Obj = pFontFile;
+  m_FontFileMap.SetAt(pFontStream, ftData);
+  return pFontFile;
+}
+void CPDF_DocPageData::ReleaseFontFileStreamAcc(CPDF_Stream* pFontStream,
+                                                FX_BOOL bForce) {
+  if (!pFontStream) {
+    return;
+  }
+  PDF_DocPageData_Release<CPDF_Stream*, CPDF_StreamAcc*>(
+      m_FontFileMap, pFontStream, NULL, bForce);
+}