Changes to master to more closely match XFA.
[pdfium.git] / fpdfsdk / src / fpdfview.cpp
index b950ed8..dfa91d1 100644 (file)
 // 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/include/fxcodec/fx_codec.h"
+#include "../../core/include/fxcrt/fx_safe_types.h"
+#include "../../public/fpdf_ext.h"
+#include "../../public/fpdf_progressive.h"
+#include "../../public/fpdfview.h"
+#include "../../third_party/base/nonstd_unique_ptr.h"
+#include "../../third_party/base/numerics/safe_conversions_impl.h"
 #include "../include/fsdk_define.h"
-#include "../include/fpdfview.h"
+#include "../include/fsdk_mgr.h"
 #include "../include/fsdk_rendercontext.h"
-#include "../include/fpdf_progressive.h"
-#include "../include/fpdf_ext.h"
-
-
-CPDF_CustomAccess::CPDF_CustomAccess(FPDF_FILEACCESS* pFileAccess)
-{
-       m_FileAccess = *pFileAccess;
-       m_BufferOffset = (FX_DWORD)-1;
-}
-
-FX_BOOL CPDF_CustomAccess::GetByte(FX_DWORD pos, FX_BYTE& ch)
-{
-       if (pos >= m_FileAccess.m_FileLen) return FALSE;
-       if (m_BufferOffset == (FX_DWORD)-1 || pos < m_BufferOffset || pos >= m_BufferOffset + 512) {
-               // Need to read from file access
-               m_BufferOffset = pos;
-               int size = 512;
-               if (pos + 512 > m_FileAccess.m_FileLen)
-                       size = m_FileAccess.m_FileLen - pos;
-               if (!m_FileAccess.m_GetBlock(m_FileAccess.m_Param, m_BufferOffset, m_Buffer, size))
-                       return FALSE;
-       }
-       ch = m_Buffer[pos - m_BufferOffset];
-       return TRUE;
-}
+#include "../include/javascript/IJavaScript.h"
+
+CPDF_CustomAccess::CPDF_CustomAccess(FPDF_FILEACCESS* pFileAccess) {
+  if (pFileAccess)
+    m_FileAccess = *pFileAccess;
+}
+
+FX_BOOL CPDF_CustomAccess::ReadBlock(void* buffer,
+                                     FX_FILESIZE offset,
+                                     size_t size) {
+  if (offset < 0) {
+    return FALSE;
+  }
+  FX_SAFE_FILESIZE newPos =
+      pdfium::base::checked_cast<FX_FILESIZE, size_t>(size);
+  newPos += offset;
+  if (!newPos.IsValid() || newPos.ValueOrDie() > m_FileAccess.m_FileLen) {
+    return FALSE;
+  }
+  return m_FileAccess.m_GetBlock(m_FileAccess.m_Param, offset, (uint8_t*)buffer,
+                                 size);
+}
+
+// 0 bit: FPDF_POLICY_MACHINETIME_ACCESS
+static FX_DWORD foxit_sandbox_policy = 0xFFFFFFFF;
 
-FX_BOOL CPDF_CustomAccess::GetBlock(FX_DWORD pos, FX_LPBYTE pBuf, FX_DWORD size)
-{
-       if (pos + size > m_FileAccess.m_FileLen) return FALSE;
-       return m_FileAccess.m_GetBlock(m_FileAccess.m_Param, pos, pBuf, size);
+void FSDK_SetSandBoxPolicy(FPDF_DWORD policy, FPDF_BOOL enable) {
+  switch (policy) {
+    case FPDF_POLICY_MACHINETIME_ACCESS: {
+      if (enable)
+        foxit_sandbox_policy |= 0x01;
+      else
+        foxit_sandbox_policy &= 0xFFFFFFFE;
+    } break;
+    default:
+      break;
+  }
 }
 
-FX_BOOL CPDF_CustomAccess::ReadBlock(void* buffer, FX_FILESIZE offset, size_t size)
-{
-       //      m_FileAccess = *pFileAccess;
-       //      m_BufferOffset = (FX_DWORD)-1;
-       if (offset + size > m_FileAccess.m_FileLen) return FALSE;
-       return m_FileAccess.m_GetBlock(m_FileAccess.m_Param, offset,(FX_LPBYTE) buffer, size);
-
-       //      return FALSE;
+FPDF_BOOL FSDK_IsSandBoxPolicyEnabled(FPDF_DWORD policy) {
+  switch (policy) {
+    case FPDF_POLICY_MACHINETIME_ACCESS:
+      return (foxit_sandbox_policy & 0x01) ? TRUE : FALSE;
+    default:
+      return FALSE;
+  }
 }
 
-//0 bit: FPDF_POLICY_MACHINETIME_ACCESS
-static FX_DWORD foxit_sandbox_policy = 0xFFFFFFFF;
-
-void FSDK_SetSandBoxPolicy(FPDF_DWORD policy, FPDF_BOOL enable)
-{
-       switch(policy)
-       {
-       case FPDF_POLICY_MACHINETIME_ACCESS:
-               {
-                       if(enable)
-                               foxit_sandbox_policy |= 0x01;
-                       else
-                               foxit_sandbox_policy &= 0xFFFFFFFE;
-               }
-               break;
-       default:
-               break;
-       }
-}
-
-FPDF_BOOL FSDK_IsSandBoxPolicyEnabled(FPDF_DWORD policy)
-{
-       switch(policy)
-       {
-       case FPDF_POLICY_MACHINETIME_ACCESS:
-               {
-                       if(foxit_sandbox_policy&0x01)
-                               return TRUE;
-                       else
-                               return FALSE;
-               }
-               break;
-       default:
-               break;
-       }
-       return FALSE;
-}
-
-
-#ifndef _T
-#define _T(x) x
-#endif
-
-#ifdef API5
-       CPDF_ModuleMgr* g_pModuleMgr = NULL;
-#else
-       CCodec_ModuleMgr*       g_pCodecModule = NULL;
-#endif
-
-//extern CPDFSDK_FormFillApp* g_pFormFillApp;
+CCodec_ModuleMgr* g_pCodecModule = nullptr;
 
 #if _FX_OS_ == _FX_LINUX_EMBEDDED_
-class CFontMapper : public IPDF_FontMapper
-{
-public:
-       CFontMapper();
-       virtual ~CFontMapper();
-
-       virtual FT_Face FindSubstFont(
-                                                       CPDF_Document* pDoc,                            // [IN] The PDF document
-                                                       const CFX_ByteString& face_name,        // [IN] Original name
-                                                       FX_BOOL bTrueType,                                      // [IN] TrueType or Type1
-                                                       FX_DWORD flags,                                         // [IN] PDF font flags (see PDF Reference section 5.7.1)
-                                                       int font_weight,                                        // [IN] original font weight. 0 for not specified
-                                                       int CharsetCP,                                          // [IN] code page for charset (see Win32 GetACP())
-                                                       FX_BOOL bVertical,
-                                                       CPDF_SubstFont* pSubstFont                      // [OUT] Subst font data
-                                               );
-
-       FT_Face m_SysFace;
+class CFontMapper : public IPDF_FontMapper {
+ public:
+  CFontMapper();
+  ~CFontMapper() override;
+
+  // IPDF_FontMapper
+  FT_Face FindSubstFont(
+      CPDF_Document* pDoc,              // [IN] The PDF document
+      const CFX_ByteString& face_name,  // [IN] Original name
+      FX_BOOL bTrueType,                // [IN] TrueType or Type1
+      FX_DWORD flags,   // [IN] PDF font flags (see PDF Reference section 5.7.1)
+      int font_weight,  // [IN] original font weight. 0 for not specified
+      int CharsetCP,    // [IN] code page for charset (see Win32 GetACP())
+      FX_BOOL bVertical,
+      CPDF_SubstFont* pSubstFont  // [OUT] Subst font data
+      ) override;
+
+  FT_Face m_SysFace;
 };
 
 CFontMapper* g_pFontMapper = NULL;
-#endif         // #if _FX_OS_ == _FX_LINUX_EMBEDDED_
-
-DLLEXPORT void STDCALL FPDF_InitLibrary(FX_LPVOID hInstance)
-{
-#ifdef API5
-       CPDF_ModuleMgr::Create();
-       g_pModuleMgr = CPDF_ModuleMgr::Get();
-        #if _FX_OS_ == _FX_WIN32_MOBILE_ || _FX_OS_ == _FX_LINUX_EMBEDDED_
-               g_pModuleMgr->InitEmbedded();
-        #ifdef _GB1_CMAPS_
-               g_pModuleMgr->LoadEmbeddedGB1CMaps();
-        #endif
-        #ifdef _GB1_CMAPS_4_
-               g_pModuleMgr->LoadEmbeddedGB1CMaps_4();
-        #endif
-        #ifdef _CNS1_CMAPS_
-               g_pModuleMgr->LoadEmbeddedCNS1CMaps();
-        #endif
-        #ifdef _JAPAN1_CMAPS_
-               g_pModuleMgr->LoadEmbeddedJapan1CMaps();
-        #endif
-        #ifdef _JAPAN1_CMAPS_6_
-               g_pModuleMgr->LoadEmbeddedJapan1CMaps_6();
-        #endif
-        #ifdef _KOREA1_CMAPS_
-               g_pModuleMgr->LoadEmbeddedKorea1CMaps();
-        #endif
-        #ifdef _JPX_DECODER_
-               g_pModuleMgr->InitJpxModule();
-               g_pModuleMgr->InitJbig2Module();
-        //     g_pModuleMgr->InitIccModule();
-        #endif
-        #else
-               g_pModuleMgr->InitDesktop();
-        #endif
-#else
-       g_pCodecModule = CCodec_ModuleMgr::Create();
-       
-       CFX_GEModule::Create();
-       CFX_GEModule::Get()->SetCodecModule(g_pCodecModule);
-       
-       CPDF_ModuleMgr::Create();
-       CPDF_ModuleMgr::Get()->SetCodecModule(g_pCodecModule);
-       CPDF_ModuleMgr::Get()->InitPageModule();
-       CPDF_ModuleMgr::Get()->InitRenderModule();
-#ifdef FOXIT_CHROME_BUILD
-       CPDF_ModuleMgr * pModuleMgr = CPDF_ModuleMgr::Get();
-       if ( pModuleMgr )
-       {
-               pModuleMgr->LoadEmbeddedGB1CMaps();
-               pModuleMgr->LoadEmbeddedJapan1CMaps();
-               pModuleMgr->LoadEmbeddedCNS1CMaps();
-               pModuleMgr->LoadEmbeddedKorea1CMaps();
-       }
-#endif 
-#endif
+#endif  // #if _FX_OS_ == _FX_LINUX_EMBEDDED_
 
-#ifdef _WIN32
-       // Get module path
-       TCHAR app_path[MAX_PATH];
-       ::GetModuleFileName((HINSTANCE)hInstance, app_path, MAX_PATH);
-       size_t len = _tcslen(app_path);
-       for (size_t i = len; i >= 0; i --)
-               if (app_path[i] == '\\') {
-                       app_path[i] = 0;
-                       break;
-               }
-               
-#ifdef _UNICODE
-               #ifndef _FXSDK_OPENSOURCE_
-               CPDF_ModuleMgr::Get()->SetModulePath(NULL, CFX_ByteString::FromUnicode(app_path));
-               #endif
-#else
-#ifndef _FXSDK_OPENSOURCE_
-               CPDF_ModuleMgr::Get()->SetModulePath(NULL, app_path);
-#endif
-#endif
-#endif
+DLLEXPORT void STDCALL FPDF_InitLibrary() {
+  FPDF_InitLibraryWithConfig(nullptr);
 }
 
+DLLEXPORT void STDCALL FPDF_InitLibraryWithConfig(
+    const FPDF_LIBRARY_CONFIG* cfg) {
+  g_pCodecModule = new CCodec_ModuleMgr();
 
-DLLEXPORT void STDCALL FPDF_DestroyLibrary()
-{
+  CFX_GEModule::Create(cfg ? cfg->m_pUserFontPaths : nullptr);
+  CFX_GEModule::Get()->SetCodecModule(g_pCodecModule);
+
+  CPDF_ModuleMgr::Create();
+  CPDF_ModuleMgr::Get()->SetCodecModule(g_pCodecModule);
+  CPDF_ModuleMgr::Get()->InitPageModule();
+  CPDF_ModuleMgr::Get()->InitRenderModule();
+  CPDF_ModuleMgr* pModuleMgr = CPDF_ModuleMgr::Get();
+  if (pModuleMgr) {
+    pModuleMgr->LoadEmbeddedGB1CMaps();
+    pModuleMgr->LoadEmbeddedJapan1CMaps();
+    pModuleMgr->LoadEmbeddedCNS1CMaps();
+    pModuleMgr->LoadEmbeddedKorea1CMaps();
+  }
+  if (cfg && cfg->version >= 2)
+    IJS_Runtime::Initialize(cfg->m_v8EmbedderSlot, cfg->m_pIsolate);
+}
 
+DLLEXPORT void STDCALL FPDF_DestroyLibrary() {
 #if _FX_OS_ == _FX_LINUX_EMBEDDED_
-       if (g_pFontMapper) delete g_pFontMapper;
+  delete g_pFontMapper;
+  g_pFontMapper = nullptr;
 #endif
-#ifdef API5
-       g_pModuleMgr->Destroy();
-#else
-       CPDF_ModuleMgr::Destroy();
-       CFX_GEModule::Destroy();
-       g_pCodecModule->Destroy();
-#endif
-#ifndef _FXSDK_OPENSOURCE_
-       FXMEM_CollectAll(FXMEM_GetDefaultMgr());
-#else
+  CPDF_ModuleMgr::Destroy();
+  CFX_GEModule::Destroy();
 
-#endif
+  delete g_pCodecModule;
+  g_pCodecModule = nullptr;
 }
 
 #ifndef _WIN32
 int g_LastError;
-void SetLastError(int err)
-{
-       g_LastError = err;
+void SetLastError(int err) {
+  g_LastError = err;
 }
 
-int GetLastError()
-{
-       return g_LastError;
+int GetLastError() {
+  return g_LastError;
 }
 #endif
 
-void ProcessParseError(FX_DWORD err_code)
-{
-       // Translate FPDFAPI error code to FPDFVIEW error code
-       switch (err_code) {
-               case PDFPARSE_ERROR_FILE:
-                       err_code = FPDF_ERR_FILE;
-                       break;
-               case PDFPARSE_ERROR_FORMAT:
-                       err_code = FPDF_ERR_FORMAT;
-                       break;
-               case PDFPARSE_ERROR_PASSWORD:
-                       err_code = FPDF_ERR_PASSWORD;
-                       break;
-               case PDFPARSE_ERROR_HANDLER:
-                       err_code = FPDF_ERR_SECURITY;
-                       break;
-       }
-       SetLastError(err_code);
-}
-
-DLLEXPORT void STDCALL FPDF_SetSandBoxPolicy(FPDF_DWORD policy, FPDF_BOOL enable)
-{
-       return FSDK_SetSandBoxPolicy(policy, enable);
-}
-
-DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadDocument(FPDF_STRING file_path, FPDF_BYTESTRING password)
-{
-       CPDF_Parser* pParser = FX_NEW CPDF_Parser;
-       pParser->SetPassword(password);
-       try {
-               FX_DWORD err_code = pParser->StartParse((FX_LPCSTR)file_path);
-               if (err_code) {
-                       delete pParser;
-                       ProcessParseError(err_code);
-                       return NULL;
-               }
-       }
-       catch (...) {
-               delete pParser;
-               SetLastError(FPDF_ERR_UNKNOWN);
-               return NULL;
-       }
-       return pParser->GetDocument();
-}
-
-extern void CheckUnSupportError(CPDF_Document * pDoc, FX_DWORD err_code);
-
-class CMemFile FX_FINAL: public IFX_FileRead, public CFX_Object
-{
-public:
-       CMemFile(FX_BYTE* pBuf, FX_FILESIZE size):m_pBuf(pBuf),m_size(size) {}
-
-       virtual void                    Release() {delete this;}
-       virtual FX_FILESIZE             GetSize() {return m_size;}
-       virtual FX_BOOL                 ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) 
-       {
-               if(offset+size > (FX_DWORD)m_size) return FALSE;
-               FXSYS_memcpy(buffer, m_pBuf+offset, size);
-               return TRUE;
-       }
-private:
-       FX_BYTE* m_pBuf;
-       FX_FILESIZE m_size;
+void ProcessParseError(FX_DWORD err_code) {
+  // Translate FPDFAPI error code to FPDFVIEW error code
+  switch (err_code) {
+    case PDFPARSE_ERROR_FILE:
+      err_code = FPDF_ERR_FILE;
+      break;
+    case PDFPARSE_ERROR_FORMAT:
+      err_code = FPDF_ERR_FORMAT;
+      break;
+    case PDFPARSE_ERROR_PASSWORD:
+      err_code = FPDF_ERR_PASSWORD;
+      break;
+    case PDFPARSE_ERROR_HANDLER:
+      err_code = FPDF_ERR_SECURITY;
+      break;
+  }
+  SetLastError(err_code);
+}
+
+DLLEXPORT void STDCALL FPDF_SetSandBoxPolicy(FPDF_DWORD policy,
+                                             FPDF_BOOL enable) {
+  return FSDK_SetSandBoxPolicy(policy, enable);
+}
+
+DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadDocument(FPDF_STRING file_path,
+                                                  FPDF_BYTESTRING password) {
+  // NOTE: the creation of the file needs to be by the embedder on the
+  // other side of this API.
+  IFX_FileRead* pFileAccess = FX_CreateFileRead((const FX_CHAR*)file_path);
+  if (!pFileAccess) {
+    return nullptr;
+  }
+
+  CPDF_Parser* pParser = new CPDF_Parser;
+  pParser->SetPassword(password);
+
+  FX_DWORD err_code = pParser->StartParse(pFileAccess);
+  if (err_code) {
+    delete pParser;
+    ProcessParseError(err_code);
+    return NULL;
+  }
+  return pParser->GetDocument();
+}
+
+class CMemFile final : public IFX_FileRead {
+ public:
+  CMemFile(uint8_t* pBuf, FX_FILESIZE size) : m_pBuf(pBuf), m_size(size) {}
+
+  virtual void Release() { delete this; }
+  virtual FX_FILESIZE GetSize() { return m_size; }
+  virtual FX_BOOL ReadBlock(void* buffer, FX_FILESIZE offset, size_t size) {
+    if (offset < 0) {
+      return FALSE;
+    }
+    FX_SAFE_FILESIZE newPos =
+        pdfium::base::checked_cast<FX_FILESIZE, size_t>(size);
+    newPos += offset;
+    if (!newPos.IsValid() || newPos.ValueOrDie() > (FX_DWORD)m_size) {
+      return FALSE;
+    }
+    FXSYS_memcpy(buffer, m_pBuf + offset, size);
+    return TRUE;
+  }
+
+ private:
+  ~CMemFile() {}
+
+  uint8_t* m_pBuf;
+  FX_FILESIZE m_size;
 };
-DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadMemDocument(const void* data_buf, int size, FPDF_BYTESTRING password)
-{
-       CPDF_Parser* pParser = FX_NEW CPDF_Parser;
-       pParser->SetPassword(password);
-       try {
-               CMemFile* pMemFile = FX_NEW CMemFile((FX_BYTE*)data_buf, size);
-               FX_DWORD err_code = pParser->StartParse(pMemFile);
-               if (err_code) {
-                       delete pParser;
-                       ProcessParseError(err_code);
-                       return NULL;
-               }
-               CPDF_Document * pDoc = NULL;
-               pDoc = pParser?pParser->GetDocument():NULL;
-               CheckUnSupportError(pDoc, err_code);
-       }
-       catch (...) {
-               delete pParser;
-               SetLastError(FPDF_ERR_UNKNOWN);
-               return NULL;
-       }
-       return pParser->GetDocument();
-}
-
-DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadCustomDocument(FPDF_FILEACCESS* pFileAccess, FPDF_BYTESTRING password)
-{
-       CPDF_Parser* pParser = FX_NEW CPDF_Parser;
-       pParser->SetPassword(password);
-       CPDF_CustomAccess* pFile = FX_NEW CPDF_CustomAccess(pFileAccess);
-       try {
-               FX_DWORD err_code = pParser->StartParse(pFile);
-               if (err_code) {
-                       delete pParser;
-                       ProcessParseError(err_code);
-                       return NULL;
-               }
-               CPDF_Document * pDoc = NULL;
-               pDoc = pParser?pParser->GetDocument():NULL;
-               CheckUnSupportError(pDoc, err_code);
-       }
-       catch (...) {
-               delete pParser;
-               SetLastError(FPDF_ERR_UNKNOWN);
-               return NULL;
-       }
-       return pParser->GetDocument();
-}
-
-DLLEXPORT FPDF_BOOL STDCALL FPDF_GetFileVersion(FPDF_DOCUMENT doc, int* fileVersion)
-{
-       if(!doc||!fileVersion) return FALSE;
-       *fileVersion = 0;
-       CPDF_Document* pDoc = (CPDF_Document*)doc;
-       CPDF_Parser* pParser = (CPDF_Parser*)pDoc->GetParser();
-       if(!pParser)
-               return FALSE;
-       *fileVersion = pParser->GetFileVersion();
-       return TRUE;
-}
-
-// jabdelmalek: changed return type from FX_DWORD to build on Linux (and match header).
-DLLEXPORT unsigned long STDCALL FPDF_GetDocPermissions(FPDF_DOCUMENT document)
-{
-       if (document == NULL) return 0;
-       CPDF_Document*pDoc = (CPDF_Document*)document;
-       CPDF_Parser* pParser =  (CPDF_Parser*)pDoc->GetParser();
-       CPDF_Dictionary* pDict = pParser->GetEncryptDict();
-       if (pDict == NULL) return (FX_DWORD)-1;
-
-       return pDict->GetInteger("P");
-}
-
-DLLEXPORT int STDCALL FPDF_GetPageCount(FPDF_DOCUMENT document)
-{
-       if (document == NULL) return 0;
-       return ((CPDF_Document*)document)->GetPageCount();
-}
-
-DLLEXPORT FPDF_PAGE STDCALL FPDF_LoadPage(FPDF_DOCUMENT document, int page_index)
-{
-       if (document == NULL) return NULL;
-       if (page_index < 0 || page_index >= FPDF_GetPageCount(document)) return NULL;
-//     CPDF_Parser* pParser = (CPDF_Parser*)document;
-       CPDF_Document* pDoc = (CPDF_Document*)document;
-       if (pDoc == NULL) return NULL;
-       CPDF_Dictionary* pDict = pDoc->GetPage(page_index);
-       if (pDict == NULL) return NULL;
-       CPDF_Page* pPage = FX_NEW CPDF_Page;
-       pPage->Load(pDoc, pDict);
-       try {
-               pPage->ParseContent();
-       }
-       catch (...) {
-               delete pPage;
-               return NULL;
-       }
-       
-//     CheckUnSupportError(pDoc, 0);
-
-       return pPage;
-}
-
-DLLEXPORT double STDCALL FPDF_GetPageWidth(FPDF_PAGE page)
-{
-       if (!page)
-               return 0.0;
-       return ((CPDF_Page*)page)->GetPageWidth();
-}
-
-DLLEXPORT double STDCALL FPDF_GetPageHeight(FPDF_PAGE page)
-{
-       if (!page) return 0.0;
-       return ((CPDF_Page*)page)->GetPageHeight();
-}
-
-void DropContext(void* data)
-{
-       delete (CRenderContext*)data;
-}
-
-void FPDF_RenderPage_Retail(CRenderContext* pContext, FPDF_PAGE page, int start_x, int start_y, int size_x, int size_y,
-                                               int rotate, int flags,FX_BOOL bNeedToRestore, IFSDK_PAUSE_Adapter * pause  );
-void (*Func_RenderPage)(CRenderContext*, FPDF_PAGE page, int start_x, int start_y, int size_x, int size_y,
-                                               int rotate, int flags,FX_BOOL bNeedToRestore, IFSDK_PAUSE_Adapter * pause  ) = FPDF_RenderPage_Retail;
+DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadMemDocument(const void* data_buf,
+                                                     int size,
+                                                     FPDF_BYTESTRING password) {
+  CPDF_Parser* pParser = new CPDF_Parser;
+  pParser->SetPassword(password);
+  CMemFile* pMemFile = new CMemFile((uint8_t*)data_buf, size);
+  FX_DWORD err_code = pParser->StartParse(pMemFile);
+  if (err_code) {
+    delete pParser;
+    ProcessParseError(err_code);
+    return NULL;
+  }
+  CPDF_Document* pDoc = NULL;
+  pDoc = pParser ? pParser->GetDocument() : NULL;
+  CheckUnSupportError(pDoc, err_code);
+  return pParser->GetDocument();
+}
+
+DLLEXPORT FPDF_DOCUMENT STDCALL
+FPDF_LoadCustomDocument(FPDF_FILEACCESS* pFileAccess,
+                        FPDF_BYTESTRING password) {
+  CPDF_Parser* pParser = new CPDF_Parser;
+  pParser->SetPassword(password);
+  CPDF_CustomAccess* pFile = new CPDF_CustomAccess(pFileAccess);
+  FX_DWORD err_code = pParser->StartParse(pFile);
+  if (err_code) {
+    delete pParser;
+    ProcessParseError(err_code);
+    return NULL;
+  }
+  CPDF_Document* pDoc = NULL;
+  pDoc = pParser ? pParser->GetDocument() : NULL;
+  CheckUnSupportError(pDoc, err_code);
+  return pParser->GetDocument();
+}
+
+DLLEXPORT FPDF_BOOL STDCALL FPDF_GetFileVersion(FPDF_DOCUMENT doc,
+                                                int* fileVersion) {
+  if (!doc || !fileVersion)
+    return FALSE;
+  *fileVersion = 0;
+  CPDF_Document* pDoc = (CPDF_Document*)doc;
+  CPDF_Parser* pParser = (CPDF_Parser*)pDoc->GetParser();
+  if (!pParser)
+    return FALSE;
+  *fileVersion = pParser->GetFileVersion();
+  return TRUE;
+}
+
+// jabdelmalek: changed return type from FX_DWORD to build on Linux (and match
+// header).
+DLLEXPORT unsigned long STDCALL FPDF_GetDocPermissions(FPDF_DOCUMENT document) {
+  if (document == NULL)
+    return 0;
+  CPDF_Document* pDoc = (CPDF_Document*)document;
+  CPDF_Parser* pParser = (CPDF_Parser*)pDoc->GetParser();
+  CPDF_Dictionary* pDict = pParser->GetEncryptDict();
+  if (pDict == NULL)
+    return (FX_DWORD)-1;
+
+  return pDict->GetInteger("P");
+}
+
+DLLEXPORT int STDCALL FPDF_GetSecurityHandlerRevision(FPDF_DOCUMENT document) {
+  if (document == NULL)
+    return -1;
+  CPDF_Document* pDoc = (CPDF_Document*)document;
+  CPDF_Parser* pParser = (CPDF_Parser*)pDoc->GetParser();
+  CPDF_Dictionary* pDict = pParser->GetEncryptDict();
+  if (pDict == NULL)
+    return -1;
+
+  return pDict->GetInteger("R");
+}
+
+DLLEXPORT int STDCALL FPDF_GetPageCount(FPDF_DOCUMENT document) {
+  if (document == NULL)
+    return 0;
+  return ((CPDF_Document*)document)->GetPageCount();
+}
+
+DLLEXPORT FPDF_PAGE STDCALL FPDF_LoadPage(FPDF_DOCUMENT document,
+                                          int page_index) {
+  if (document == NULL)
+    return NULL;
+  if (page_index < 0 || page_index >= FPDF_GetPageCount(document))
+    return NULL;
+
+  CPDF_Document* pDoc = (CPDF_Document*)document;
+  if (pDoc == NULL)
+    return NULL;
+  CPDF_Dictionary* pDict = pDoc->GetPage(page_index);
+  if (pDict == NULL)
+    return NULL;
+  CPDF_Page* pPage = new CPDF_Page;
+  pPage->Load(pDoc, pDict);
+  pPage->ParseContent();
+  return pPage;
+}
+
+DLLEXPORT double STDCALL FPDF_GetPageWidth(FPDF_PAGE page) {
+  if (!page)
+    return 0.0;
+  return ((CPDF_Page*)page)->GetPageWidth();
+}
+
+DLLEXPORT double STDCALL FPDF_GetPageHeight(FPDF_PAGE page) {
+  if (!page)
+    return 0.0;
+  return ((CPDF_Page*)page)->GetPageHeight();
+}
+
+void DropContext(void* data) {
+  delete (CRenderContext*)data;
+}
 
 #if defined(_DEBUG) || defined(DEBUG)
 #define DEBUG_TRACE
 #endif
 
 #if defined(_WIN32)
-DLLEXPORT void STDCALL FPDF_RenderPage(HDC dc, FPDF_PAGE page, int start_x, int start_y, int size_x, int size_y,
-                                               int rotate, int flags)
-{
-       if (page==NULL) return;
-       CPDF_Page* pPage = (CPDF_Page*)page;
-
-       CRenderContext* pContext = FX_NEW CRenderContext;
-       pPage->SetPrivateData((void*)1, pContext, DropContext);
+DLLEXPORT void STDCALL FPDF_RenderPage(HDC dc,
+                                       FPDF_PAGE page,
+                                       int start_x,
+                                       int start_y,
+                                       int size_x,
+                                       int size_y,
+                                       int rotate,
+                                       int flags) {
+  if (page == NULL)
+    return;
+  CPDF_Page* pPage = (CPDF_Page*)page;
+
+  CRenderContext* pContext = new CRenderContext;
+  pPage->SetPrivateData((void*)1, pContext, DropContext);
 
 #ifndef _WIN32_WCE
-       CFX_DIBitmap* pBitmap = NULL;
-       FX_BOOL bBackgroundAlphaNeeded=FALSE;
-       bBackgroundAlphaNeeded = pPage->BackgroundAlphaNeeded();
-       if (bBackgroundAlphaNeeded)
-       {
-               
-               pBitmap = FX_NEW CFX_DIBitmap;
-               pBitmap->Create(size_x, size_y, FXDIB_Argb);
-               pBitmap->Clear(0x00ffffff);
+  CFX_DIBitmap* pBitmap = NULL;
+  FX_BOOL bBackgroundAlphaNeeded = FALSE;
+  bBackgroundAlphaNeeded = pPage->BackgroundAlphaNeeded();
+  if (bBackgroundAlphaNeeded) {
+    pBitmap = new CFX_DIBitmap;
+    pBitmap->Create(size_x, size_y, FXDIB_Argb);
+    pBitmap->Clear(0x00ffffff);
 #ifdef _SKIA_SUPPORT_
-               pContext->m_pDevice = FX_NEW CFX_SkiaDevice;
-               ((CFX_SkiaDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)pBitmap);
+    pContext->m_pDevice = new CFX_SkiaDevice;
+    ((CFX_SkiaDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)pBitmap);
 #else
-               pContext->m_pDevice = FX_NEW CFX_FxgeDevice;
-               ((CFX_FxgeDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)pBitmap);
+    pContext->m_pDevice = new CFX_FxgeDevice;
+    ((CFX_FxgeDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)pBitmap);
 #endif
-       }
-       else
-           pContext->m_pDevice = FX_NEW CFX_WindowsDevice(dc);
-       if (flags & FPDF_NO_CATCH)
-               Func_RenderPage(pContext, page, start_x, start_y, size_x, size_y, rotate, flags,TRUE,NULL);
-       else {
-               try {
-                       Func_RenderPage(pContext, page, start_x, start_y, size_x, size_y, rotate, flags,TRUE,NULL);
-               } catch (...) {
-               }
-       }
-       if (bBackgroundAlphaNeeded) 
-       {
-               if (pBitmap)
-               {
-                       CFX_WindowsDevice WinDC(dc);
-                       
-                       if (WinDC.GetDeviceCaps(FXDC_DEVICE_CLASS) == FXDC_PRINTER)
-                       {
-                               CFX_DIBitmap* pDst = FX_NEW CFX_DIBitmap;
-                               pDst->Create(pBitmap->GetWidth(), pBitmap->GetHeight(),FXDIB_Rgb32);
-                               FXSYS_memcpy(pDst->GetBuffer(), pBitmap->GetBuffer(), pBitmap->GetPitch()*pBitmap->GetHeight());
-//                             WinDC.SetDIBits(pDst,0,0);
-                               WinDC.StretchDIBits(pDst,0,0,size_x,size_y);
-                               delete pDst;
-                       }
-                       else
-                               WinDC.SetDIBits(pBitmap,0,0);
-
-               }
-       }
+  } else
+    pContext->m_pDevice = new CFX_WindowsDevice(dc);
+
+  FPDF_RenderPage_Retail(pContext, page, start_x, start_y, size_x, size_y,
+                         rotate, flags, TRUE, NULL);
+
+  if (bBackgroundAlphaNeeded) {
+    if (pBitmap) {
+      CFX_WindowsDevice WinDC(dc);
+
+      if (WinDC.GetDeviceCaps(FXDC_DEVICE_CLASS) == FXDC_PRINTER) {
+        CFX_DIBitmap* pDst = new CFX_DIBitmap;
+        int pitch = pBitmap->GetPitch();
+        pDst->Create(size_x, size_y, FXDIB_Rgb32);
+        FXSYS_memset(pDst->GetBuffer(), -1, pitch * size_y);
+        pDst->CompositeBitmap(0, 0, size_x, size_y, pBitmap, 0, 0,
+                              FXDIB_BLEND_NORMAL, NULL, FALSE, NULL);
+        WinDC.StretchDIBits(pDst, 0, 0, size_x, size_y);
+        delete pDst;
+      } else
+        WinDC.SetDIBits(pBitmap, 0, 0);
+    }
+  }
 #else
-       // get clip region
-       RECT rect, cliprect;
-       rect.left = start_x;
-       rect.top = start_y;
-       rect.right = start_x + size_x;
-       rect.bottom = start_y + size_y;
-       GetClipBox(dc, &cliprect);
-       IntersectRect(&rect, &rect, &cliprect);
-       int width = rect.right - rect.left;
-       int height = rect.bottom - rect.top;
+  // get clip region
+  RECT rect, cliprect;
+  rect.left = start_x;
+  rect.top = start_y;
+  rect.right = start_x + size_x;
+  rect.bottom = start_y + size_y;
+  GetClipBox(dc, &cliprect);
+  IntersectRect(&rect, &rect, &cliprect);
+  int width = rect.right - rect.left;
+  int height = rect.bottom - rect.top;
 
 #ifdef DEBUG_TRACE
-       {
-               char str[128];
-               sprintf(str, "Rendering DIB %d x %d", width, height);
-               CPDF_ModuleMgr::Get()->ReportError(999, str);
-       }
+  {
+    char str[128];
+    memset(str, 0, sizeof(str));
+    FXSYS_snprintf(str, sizeof(str) - 1, "Rendering DIB %d x %d", width,
+                   height);
+    CPDF_ModuleMgr::Get()->ReportError(999, str);
+  }
 #endif
 
-       // Create a DIB section
-       LPVOID pBuffer;
-       BITMAPINFOHEADER bmih;
-       FXSYS_memset(&bmih, 0, sizeof bmih);
-       bmih.biSize = sizeof bmih;
-       bmih.biBitCount = 24;
-       bmih.biHeight = -height;
-       bmih.biPlanes = 1;
-       bmih.biWidth = width;
-       pContext->m_hBitmap = CreateDIBSection(dc, (BITMAPINFO*)&bmih, DIB_RGB_COLORS, &pBuffer, NULL, 0);
-       if (pContext->m_hBitmap == NULL) {
+  // Create a DIB section
+  LPVOID pBuffer;
+  BITMAPINFOHEADER bmih;
+  FXSYS_memset(&bmih, 0, sizeof bmih);
+  bmih.biSize = sizeof bmih;
+  bmih.biBitCount = 24;
+  bmih.biHeight = -height;
+  bmih.biPlanes = 1;
+  bmih.biWidth = width;
+  pContext->m_hBitmap = CreateDIBSection(dc, (BITMAPINFO*)&bmih, DIB_RGB_COLORS,
+                                         &pBuffer, NULL, 0);
+  if (pContext->m_hBitmap == NULL) {
 #if defined(DEBUG) || defined(_DEBUG)
-               char str[128];
-               sprintf(str, "Error CreateDIBSection: %d x %d, error code = %d", width, height, GetLastError());
-               CPDF_ModuleMgr::Get()->ReportError(FPDFERR_OUT_OF_MEMORY, str);
+    char str[128];
+    memset(str, 0, sizeof(str));
+    FXSYS_snprintf(str, sizeof(str) - 1,
+                   "Error CreateDIBSection: %d x %d, error code = %d", width,
+                   height, GetLastError());
+    CPDF_ModuleMgr::Get()->ReportError(FPDFERR_OUT_OF_MEMORY, str);
 #else
-               CPDF_ModuleMgr::Get()->ReportError(FPDFERR_OUT_OF_MEMORY, NULL);
+    CPDF_ModuleMgr::Get()->ReportError(FPDFERR_OUT_OF_MEMORY, NULL);
 #endif
-       }
-       FXSYS_memset(pBuffer, 0xff, height*((width*3+3)/4*4));
+  }
+  FXSYS_memset(pBuffer, 0xff, height * ((width * 3 + 3) / 4 * 4));
 
 #ifdef DEBUG_TRACE
-       {
-               CPDF_ModuleMgr::Get()->ReportError(999, "DIBSection created");
-       }
+  { CPDF_ModuleMgr::Get()->ReportError(999, "DIBSection created"); }
 #endif
 
-       // Create a device with this external buffer
-       pContext->m_pBitmap = FX_NEW CFX_DIBitmap;
-       pContext->m_pBitmap->Create(width, height, FXDIB_Rgb, (FX_LPBYTE)pBuffer);
-       pContext->m_pDevice = FX_NEW CPDF_FxgeDevice;
-       ((CPDF_FxgeDevice*)pContext->m_pDevice)->Attach(pContext->m_pBitmap);
-       
+  // Create a device with this external buffer
+  pContext->m_pBitmap = new CFX_DIBitmap;
+  pContext->m_pBitmap->Create(width, height, FXDIB_Rgb, (uint8_t*)pBuffer);
+  pContext->m_pDevice = new CPDF_FxgeDevice;
+  ((CPDF_FxgeDevice*)pContext->m_pDevice)->Attach(pContext->m_pBitmap);
+
 #ifdef DEBUG_TRACE
-       CPDF_ModuleMgr::Get()->ReportError(999, "Ready for PDF rendering");
+  CPDF_ModuleMgr::Get()->ReportError(999, "Ready for PDF rendering");
 #endif
 
-       // output to bitmap device
-       if (flags & FPDF_NO_CATCH)
-               Func_RenderPage(pContext, page, start_x - rect.left, start_y - rect.top, size_x, size_y, rotate, flags);
-       else {
-               try {
-                       Func_RenderPage(pContext, page, start_x - rect.left, start_y - rect.top, size_x, size_y, rotate, flags);
-               } catch (...) {
-               }
-       }
+  // output to bitmap device
+  FPDF_RenderPage_Retail(pContext, page, start_x - rect.left,
+                         start_y - rect.top, size_x, size_y, rotate, flags);
 
 #ifdef DEBUG_TRACE
-       CPDF_ModuleMgr::Get()->ReportError(999, "Finished PDF rendering");
+  CPDF_ModuleMgr::Get()->ReportError(999, "Finished PDF rendering");
 #endif
 
-       // Now output to real device
-       HDC hMemDC = CreateCompatibleDC(dc);
-       if (hMemDC == NULL) {
+  // Now output to real device
+  HDC hMemDC = CreateCompatibleDC(dc);
+  if (hMemDC == NULL) {
 #if defined(DEBUG) || defined(_DEBUG)
-               char str[128];
-               sprintf(str, "Error CreateCompatibleDC. Error code = %d", GetLastError());
-               CPDF_ModuleMgr::Get()->ReportError(FPDFERR_OUT_OF_MEMORY, str);
+    char str[128];
+    memset(str, 0, sizeof(str));
+    FXSYS_snprintf(str, sizeof(str) - 1,
+                   "Error CreateCompatibleDC. Error code = %d", GetLastError());
+    CPDF_ModuleMgr::Get()->ReportError(FPDFERR_OUT_OF_MEMORY, str);
 #else
-               CPDF_ModuleMgr::Get()->ReportError(FPDFERR_OUT_OF_MEMORY, NULL);
+    CPDF_ModuleMgr::Get()->ReportError(FPDFERR_OUT_OF_MEMORY, NULL);
 #endif
-       }
+  }
 
-       HGDIOBJ hOldBitmap = SelectObject(hMemDC, pContext->m_hBitmap);
+  HGDIOBJ hOldBitmap = SelectObject(hMemDC, pContext->m_hBitmap);
 
 #ifdef DEBUG_TRACE
-       CPDF_ModuleMgr::Get()->ReportError(999, "Ready for screen rendering");
+  CPDF_ModuleMgr::Get()->ReportError(999, "Ready for screen rendering");
 #endif
 
-       BitBlt(dc, rect.left, rect.top, width, height, hMemDC, 0, 0, SRCCOPY);
-       SelectObject(hMemDC, hOldBitmap);
-       DeleteDC(hMemDC);
+  BitBlt(dc, rect.left, rect.top, width, height, hMemDC, 0, 0, SRCCOPY);
+  SelectObject(hMemDC, hOldBitmap);
+  DeleteDC(hMemDC);
 
 #ifdef DEBUG_TRACE
-       CPDF_ModuleMgr::Get()->ReportError(999, "Finished screen rendering");
+  CPDF_ModuleMgr::Get()->ReportError(999, "Finished screen rendering");
 #endif
 
 #endif
-       if (bBackgroundAlphaNeeded)
-       {
-               if (pBitmap)
-                       delete pBitmap;
-               pBitmap = NULL;
-       }
-       delete pContext;
-       pPage->RemovePrivateData((void*)1);
+  if (bBackgroundAlphaNeeded) {
+    delete pBitmap;
+    pBitmap = NULL;
+  }
+  delete pContext;
+  pPage->RemovePrivateData((void*)1);
 }
 #endif
 
-DLLEXPORT void STDCALL FPDF_RenderPageBitmap(FPDF_BITMAP bitmap, FPDF_PAGE page, int start_x, int start_y, 
-                                               int size_x, int size_y, int rotate, int flags)
-{
-       if (bitmap == NULL || page == NULL) return;
-       CPDF_Page* pPage = (CPDF_Page*)page;
-
-
-       CRenderContext* pContext = FX_NEW CRenderContext;
-       pPage->SetPrivateData((void*)1, pContext, DropContext);
+DLLEXPORT void STDCALL FPDF_RenderPageBitmap(FPDF_BITMAP bitmap,
+                                             FPDF_PAGE page,
+                                             int start_x,
+                                             int start_y,
+                                             int size_x,
+                                             int size_y,
+                                             int rotate,
+                                             int flags) {
+  if (bitmap == NULL || page == NULL)
+    return;
+  CPDF_Page* pPage = (CPDF_Page*)page;
+
+  CRenderContext* pContext = new CRenderContext;
+  pPage->SetPrivateData((void*)1, pContext, DropContext);
 #ifdef _SKIA_SUPPORT_
-       pContext->m_pDevice = FX_NEW CFX_SkiaDevice;
+  pContext->m_pDevice = new CFX_SkiaDevice;
 
-       if (flags & FPDF_REVERSE_BYTE_ORDER)
-               ((CFX_SkiaDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap,0,TRUE);
-       else
-               ((CFX_SkiaDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap);
+  if (flags & FPDF_REVERSE_BYTE_ORDER)
+    ((CFX_SkiaDevice*)pContext->m_pDevice)
+        ->Attach((CFX_DIBitmap*)bitmap, 0, TRUE);
+  else
+    ((CFX_SkiaDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap);
 #else
-       pContext->m_pDevice = FX_NEW CFX_FxgeDevice;
+  pContext->m_pDevice = new CFX_FxgeDevice;
 
-       if (flags & FPDF_REVERSE_BYTE_ORDER)
-               ((CFX_FxgeDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap,0,TRUE);
-       else
-               ((CFX_FxgeDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap);
+  if (flags & FPDF_REVERSE_BYTE_ORDER)
+    ((CFX_FxgeDevice*)pContext->m_pDevice)
+        ->Attach((CFX_DIBitmap*)bitmap, 0, TRUE);
+  else
+    ((CFX_FxgeDevice*)pContext->m_pDevice)->Attach((CFX_DIBitmap*)bitmap);
 #endif
-       if (flags & FPDF_NO_CATCH)
-               Func_RenderPage(pContext, page, start_x, start_y, size_x, size_y, rotate, flags,TRUE,NULL);
-       else {
-               try {
-                       Func_RenderPage(pContext, page, start_x, start_y, size_x, size_y, rotate, flags,TRUE,NULL);
-               } catch (...) {
-               }
-       }
-
-       delete pContext;
-       pPage->RemovePrivateData((void*)1);
-}
-
-DLLEXPORT void STDCALL FPDF_ClosePage(FPDF_PAGE page)
-{
-       if (!page) return;
-       delete (CPDF_Page*)page;
-
-}
-
-DLLEXPORT void STDCALL FPDF_CloseDocument(FPDF_DOCUMENT document)
-{
-       if (!document)
-               return;
-       CPDF_Document* pDoc = (CPDF_Document*)document; 
-       CPDF_Parser* pParser = (CPDF_Parser*)pDoc->GetParser();
-       if (pParser == NULL) 
-       {
-               delete pDoc;
-               return;
-       }
-       delete pParser;
-//     delete pDoc;
-}
-
-DLLEXPORT unsigned long STDCALL FPDF_GetLastError()
-{
-       return GetLastError();
-}
-
-DLLEXPORT void STDCALL FPDF_DeviceToPage(FPDF_PAGE page, int start_x, int start_y, int size_x, int size_y,
-                                               int rotate, int device_x, int device_y, double* page_x, double* page_y)
-{
-       if (page == NULL || page_x == NULL || page_y == NULL) return;
-       CPDF_Page* pPage = (CPDF_Page*)page;
-
-       CPDF_Matrix page2device;
-       pPage->GetDisplayMatrix(page2device, start_x, start_y, size_x, size_y, rotate);
-       CPDF_Matrix device2page;
-       device2page.SetReverse(page2device);
-
-       FX_FLOAT page_x_f, page_y_f;
-       device2page.Transform((FX_FLOAT)(device_x), (FX_FLOAT)(device_y), page_x_f, page_y_f);
-
-       *page_x = (page_x_f);
-       *page_y = (page_y_f);
-}
-
-DLLEXPORT void STDCALL FPDF_PageToDevice(FPDF_PAGE page, int start_x, int start_y, int size_x, int size_y,
-                                               int rotate, double page_x, double page_y, int* device_x, int* device_y)
-{
-       if (page == NULL || device_x == NULL || device_y == NULL) return;
-       CPDF_Page* pPage = (CPDF_Page*)page;
-
-       CPDF_Matrix page2device;
-       pPage->GetDisplayMatrix(page2device, start_x, start_y, size_x, size_y, rotate);
-
-       FX_FLOAT device_x_f, device_y_f;
-       page2device.Transform(((FX_FLOAT)page_x), ((FX_FLOAT)page_y), device_x_f, device_y_f);
-
-       *device_x = FXSYS_round(device_x_f);
-       *device_y = FXSYS_round(device_y_f);
-}
-
-DLLEXPORT FPDF_BITMAP STDCALL FPDFBitmap_Create(int width, int height, int alpha)
-{
-       CFX_DIBitmap* pBitmap = FX_NEW CFX_DIBitmap;
-       pBitmap->Create(width, height, alpha ? FXDIB_Argb : FXDIB_Rgb32);
-       return pBitmap;
-}
-
-DLLEXPORT FPDF_BITMAP STDCALL FPDFBitmap_CreateEx(int width, int height, int format, void* first_scan, int stride)
-{
-       FXDIB_Format fx_format;
-       switch (format) {
-               case FPDFBitmap_Gray:
-                       fx_format = FXDIB_8bppRgb;
-                       break;
-               case FPDFBitmap_BGR:
-                       fx_format = FXDIB_Rgb;
-                       break;
-               case FPDFBitmap_BGRx:
-                       fx_format = FXDIB_Rgb32;
-                       break;
-               case FPDFBitmap_BGRA:
-                       fx_format = FXDIB_Argb;
-                       break;
-               default:
-                       return NULL;
-       }
-       CFX_DIBitmap* pBitmap = FX_NEW CFX_DIBitmap;
-       pBitmap->Create(width, height, fx_format, (FX_LPBYTE)first_scan, stride);
-       return pBitmap;
-}
-
-DLLEXPORT void STDCALL FPDFBitmap_FillRect(FPDF_BITMAP bitmap, int left, int top, int width, int height, FPDF_DWORD color)
-{
-       if (bitmap == NULL) return;
+
+  FPDF_RenderPage_Retail(pContext, page, start_x, start_y, size_x, size_y,
+                         rotate, flags, TRUE, NULL);
+
+  delete pContext;
+  pPage->RemovePrivateData((void*)1);
+}
+
+DLLEXPORT void STDCALL FPDF_ClosePage(FPDF_PAGE page) {
+  if (!page)
+    return;
+  CPDFSDK_PageView* pPageView =
+      (CPDFSDK_PageView*)(((CPDF_Page*)page))->GetPrivateData((void*)page);
+  if (pPageView && pPageView->IsLocked()) {
+    pPageView->TakeOverPage();
+    return;
+  }
+  delete (CPDF_Page*)page;
+}
+
+DLLEXPORT void STDCALL FPDF_CloseDocument(FPDF_DOCUMENT document) {
+  if (!document)
+    return;
+  CPDF_Document* pDoc = (CPDF_Document*)document;
+  CPDF_Parser* pParser = (CPDF_Parser*)pDoc->GetParser();
+  if (pParser == NULL) {
+    delete pDoc;
+    return;
+  }
+  delete pParser;
+}
+
+DLLEXPORT unsigned long STDCALL FPDF_GetLastError() {
+  return GetLastError();
+}
+
+DLLEXPORT void STDCALL FPDF_DeviceToPage(FPDF_PAGE page,
+                                         int start_x,
+                                         int start_y,
+                                         int size_x,
+                                         int size_y,
+                                         int rotate,
+                                         int device_x,
+                                         int device_y,
+                                         double* page_x,
+                                         double* page_y) {
+  if (page == NULL || page_x == NULL || page_y == NULL)
+    return;
+  CPDF_Page* pPage = (CPDF_Page*)page;
+
+  CPDF_Matrix page2device;
+  pPage->GetDisplayMatrix(page2device, start_x, start_y, size_x, size_y,
+                          rotate);
+  CPDF_Matrix device2page;
+  device2page.SetReverse(page2device);
+
+  FX_FLOAT page_x_f, page_y_f;
+  device2page.Transform((FX_FLOAT)(device_x), (FX_FLOAT)(device_y), page_x_f,
+                        page_y_f);
+
+  *page_x = (page_x_f);
+  *page_y = (page_y_f);
+}
+
+DLLEXPORT void STDCALL FPDF_PageToDevice(FPDF_PAGE page,
+                                         int start_x,
+                                         int start_y,
+                                         int size_x,
+                                         int size_y,
+                                         int rotate,
+                                         double page_x,
+                                         double page_y,
+                                         int* device_x,
+                                         int* device_y) {
+  if (page == NULL || device_x == NULL || device_y == NULL)
+    return;
+  CPDF_Page* pPage = (CPDF_Page*)page;
+
+  CPDF_Matrix page2device;
+  pPage->GetDisplayMatrix(page2device, start_x, start_y, size_x, size_y,
+                          rotate);
+
+  FX_FLOAT device_x_f, device_y_f;
+  page2device.Transform(((FX_FLOAT)page_x), ((FX_FLOAT)page_y), device_x_f,
+                        device_y_f);
+
+  *device_x = FXSYS_round(device_x_f);
+  *device_y = FXSYS_round(device_y_f);
+}
+
+DLLEXPORT FPDF_BITMAP STDCALL FPDFBitmap_Create(int width,
+                                                int height,
+                                                int alpha) {
+  nonstd::unique_ptr<CFX_DIBitmap> pBitmap(new CFX_DIBitmap);
+  if (!pBitmap->Create(width, height, alpha ? FXDIB_Argb : FXDIB_Rgb32)) {
+    return NULL;
+  }
+  return pBitmap.release();
+}
+
+DLLEXPORT FPDF_BITMAP STDCALL FPDFBitmap_CreateEx(int width,
+                                                  int height,
+                                                  int format,
+                                                  void* first_scan,
+                                                  int stride) {
+  FXDIB_Format fx_format;
+  switch (format) {
+    case FPDFBitmap_Gray:
+      fx_format = FXDIB_8bppRgb;
+      break;
+    case FPDFBitmap_BGR:
+      fx_format = FXDIB_Rgb;
+      break;
+    case FPDFBitmap_BGRx:
+      fx_format = FXDIB_Rgb32;
+      break;
+    case FPDFBitmap_BGRA:
+      fx_format = FXDIB_Argb;
+      break;
+    default:
+      return NULL;
+  }
+  CFX_DIBitmap* pBitmap = new CFX_DIBitmap;
+  pBitmap->Create(width, height, fx_format, (uint8_t*)first_scan, stride);
+  return pBitmap;
+}
+
+DLLEXPORT void STDCALL FPDFBitmap_FillRect(FPDF_BITMAP bitmap,
+                                           int left,
+                                           int top,
+                                           int width,
+                                           int height,
+                                           FPDF_DWORD color) {
+  if (bitmap == NULL)
+    return;
 #ifdef _SKIA_SUPPORT_
-       CFX_SkiaDevice device;
+  CFX_SkiaDevice device;
 #else
-       CFX_FxgeDevice device;
+  CFX_FxgeDevice device;
 #endif
-       device.Attach((CFX_DIBitmap*)bitmap);
-       if (!((CFX_DIBitmap*)bitmap)->HasAlpha()) color |= 0xFF000000;
-       FX_RECT rect(left, top, left+width, top+height);
-       device.FillRect(&rect, color);
-}
-
-DLLEXPORT void* STDCALL FPDFBitmap_GetBuffer(FPDF_BITMAP bitmap)
-{
-       if (bitmap == NULL) return NULL;
-       return ((CFX_DIBitmap*)bitmap)->GetBuffer();
-}
-
-DLLEXPORT int STDCALL FPDFBitmap_GetWidth(FPDF_BITMAP bitmap)
-{
-       if (bitmap == NULL) return 0;
-       return ((CFX_DIBitmap*)bitmap)->GetWidth();
-}
-
-DLLEXPORT int STDCALL FPDFBitmap_GetHeight(FPDF_BITMAP bitmap)
-{
-       if (bitmap == NULL) return 0;
-       return ((CFX_DIBitmap*)bitmap)->GetHeight();
-}
-
-DLLEXPORT int STDCALL FPDFBitmap_GetStride(FPDF_BITMAP bitmap)
-{
-       if (bitmap == NULL) return 0;
-       return ((CFX_DIBitmap*)bitmap)->GetPitch();
-}
-
-DLLEXPORT void STDCALL FPDFBitmap_Destroy(FPDF_BITMAP bitmap)
-{
-       if (bitmap == NULL) return;
-       delete (CFX_DIBitmap*)bitmap;
-}
-
-void FPDF_RenderPage_Retail(CRenderContext* pContext, FPDF_PAGE page, int start_x, int start_y, int size_x, int size_y,
-                                               int rotate, int flags,FX_BOOL bNeedToRestore, IFSDK_PAUSE_Adapter * pause )
-{
-//#ifdef _LICENSED_BUILD_
-       CPDF_Page* pPage = (CPDF_Page*)page;
-       if (pPage == NULL) return;
-
-       if (!pContext->m_pOptions)
-               pContext->m_pOptions = new CPDF_RenderOptions;
-//     CPDF_RenderOptions options;
-       if (flags & FPDF_LCD_TEXT)
-               pContext->m_pOptions->m_Flags |= RENDER_CLEARTYPE;
-       else
-               pContext->m_pOptions->m_Flags &= ~RENDER_CLEARTYPE;
-       if (flags & FPDF_NO_NATIVETEXT)
-               pContext->m_pOptions->m_Flags |= RENDER_NO_NATIVETEXT;
-       if (flags & FPDF_RENDER_LIMITEDIMAGECACHE)
-               pContext->m_pOptions->m_Flags |= RENDER_LIMITEDIMAGECACHE;
-       if (flags & FPDF_RENDER_FORCEHALFTONE)
-               pContext->m_pOptions->m_Flags |= RENDER_FORCE_HALFTONE;
-       //Grayscale output
-       if (flags & FPDF_GRAYSCALE)
-       {
-               pContext->m_pOptions->m_ColorMode = RENDER_COLOR_GRAY;
-               pContext->m_pOptions->m_ForeColor = 0;
-               pContext->m_pOptions->m_BackColor = 0xffffff;
-       }
-       const CPDF_OCContext::UsageType usage = (flags & FPDF_PRINTING) ? CPDF_OCContext::Print : CPDF_OCContext::View;
-
-       pContext->m_pOptions->m_AddFlags = flags >> 8;
-
-       pContext->m_pOptions->m_pOCContext = new CPDF_OCContext(pPage->m_pDocument, usage);
-
-
-       CFX_AffineMatrix matrix;
-       pPage->GetDisplayMatrix(matrix, start_x, start_y, size_x, size_y, rotate); 
-
-       FX_RECT clip;
-       clip.left = start_x;
-       clip.right = start_x + size_x;
-       clip.top = start_y;
-       clip.bottom = start_y + size_y;
-       pContext->m_pDevice->SaveState();
-       pContext->m_pDevice->SetClip_Rect(&clip);
-
-       pContext->m_pContext = FX_NEW CPDF_RenderContext;
-       pContext->m_pContext->Create(pPage);
-       pContext->m_pContext->AppendObjectList(pPage, &matrix);
-
-       if (flags & FPDF_ANNOT) {
-               pContext->m_pAnnots = FX_NEW CPDF_AnnotList(pPage);
-               FX_BOOL bPrinting = pContext->m_pDevice->GetDeviceClass() != FXDC_DISPLAY;
-               pContext->m_pAnnots->DisplayAnnots(pPage, pContext->m_pContext, bPrinting, &matrix, TRUE, NULL);
-       }
-
-       pContext->m_pRenderer = FX_NEW CPDF_ProgressiveRenderer;
-       pContext->m_pRenderer->Start(pContext->m_pContext, pContext->m_pDevice, pContext->m_pOptions, pause);
-       if (bNeedToRestore)
-       {
-         pContext->m_pDevice->RestoreState();
-       }
-       
-//#endif
-}
-
-DLLEXPORT int STDCALL FPDF_GetPageSizeByIndex(FPDF_DOCUMENT document, int page_index, double* width, double* height)
-{
-       CPDF_Document* pDoc = (CPDF_Document*)document;
-       if(pDoc == NULL)
-               return FALSE;
-
-       CPDF_Dictionary* pDict = pDoc->GetPage(page_index);
-       if (pDict == NULL) return FALSE;
-
-       CPDF_Page page;
-       page.Load(pDoc, pDict);
-       *width = page.GetPageWidth();
-       *height = page.GetPageHeight();
-
-       return TRUE;
-}
-
-DLLEXPORT FPDF_BOOL STDCALL FPDF_VIEWERREF_GetPrintScaling(FPDF_DOCUMENT document)
-{
-       CPDF_Document* pDoc = (CPDF_Document*)document;
-       if (!pDoc) return TRUE;
-       CPDF_ViewerPreferences viewRef(pDoc);
-       return viewRef.PrintScaling();
-}
-
-DLLEXPORT int STDCALL FPDF_VIEWERREF_GetNumCopies(FPDF_DOCUMENT document)
-{
-    CPDF_Document* pDoc = (CPDF_Document*)document;
-    if (!pDoc) return 1;
-    CPDF_ViewerPreferences viewRef(pDoc);
-    return viewRef.NumCopies();
-}
-
-DLLEXPORT FPDF_PAGERANGE STDCALL FPDF_VIEWERREF_GetPrintPageRange(FPDF_DOCUMENT document)
-{
-    CPDF_Document* pDoc = (CPDF_Document*)document;
-    if (!pDoc) return NULL;
-    CPDF_ViewerPreferences viewRef(pDoc);
-    return viewRef.PrintPageRange();
-}
-
-DLLEXPORT FPDF_DUPLEXTYPE STDCALL FPDF_VIEWERREF_GetDuplex(FPDF_DOCUMENT document)
-{
-    CPDF_Document* pDoc = (CPDF_Document*)document;
-    if (!pDoc) return DuplexUndefined;
-    CPDF_ViewerPreferences viewRef(pDoc);
-    CFX_ByteString duplex = viewRef.Duplex();
-    if (FX_BSTRC("Simplex") == duplex)
-        return Simplex;
-    if (FX_BSTRC("DuplexFlipShortEdge") == duplex)
-        return DuplexFlipShortEdge;
-    if (FX_BSTRC("DuplexFlipLongEdge") == duplex)
-        return DuplexFlipLongEdge;
+  device.Attach((CFX_DIBitmap*)bitmap);
+  if (!((CFX_DIBitmap*)bitmap)->HasAlpha())
+    color |= 0xFF000000;
+  FX_RECT rect(left, top, left + width, top + height);
+  device.FillRect(&rect, color);
+}
+
+DLLEXPORT void* STDCALL FPDFBitmap_GetBuffer(FPDF_BITMAP bitmap) {
+  if (bitmap == NULL)
+    return NULL;
+  return ((CFX_DIBitmap*)bitmap)->GetBuffer();
+}
+
+DLLEXPORT int STDCALL FPDFBitmap_GetWidth(FPDF_BITMAP bitmap) {
+  if (bitmap == NULL)
+    return 0;
+  return ((CFX_DIBitmap*)bitmap)->GetWidth();
+}
+
+DLLEXPORT int STDCALL FPDFBitmap_GetHeight(FPDF_BITMAP bitmap) {
+  if (bitmap == NULL)
+    return 0;
+  return ((CFX_DIBitmap*)bitmap)->GetHeight();
+}
+
+DLLEXPORT int STDCALL FPDFBitmap_GetStride(FPDF_BITMAP bitmap) {
+  if (bitmap == NULL)
+    return 0;
+  return ((CFX_DIBitmap*)bitmap)->GetPitch();
+}
+
+DLLEXPORT void STDCALL FPDFBitmap_Destroy(FPDF_BITMAP bitmap) {
+  delete (CFX_DIBitmap*)bitmap;
+}
+
+void FPDF_RenderPage_Retail(CRenderContext* pContext,
+                            FPDF_PAGE page,
+                            int start_x,
+                            int start_y,
+                            int size_x,
+                            int size_y,
+                            int rotate,
+                            int flags,
+                            FX_BOOL bNeedToRestore,
+                            IFSDK_PAUSE_Adapter* pause) {
+  CPDF_Page* pPage = (CPDF_Page*)page;
+  if (pPage == NULL)
+    return;
+
+  if (!pContext->m_pOptions)
+    pContext->m_pOptions = new CPDF_RenderOptions;
+
+  if (flags & FPDF_LCD_TEXT)
+    pContext->m_pOptions->m_Flags |= RENDER_CLEARTYPE;
+  else
+    pContext->m_pOptions->m_Flags &= ~RENDER_CLEARTYPE;
+  if (flags & FPDF_NO_NATIVETEXT)
+    pContext->m_pOptions->m_Flags |= RENDER_NO_NATIVETEXT;
+  if (flags & FPDF_RENDER_LIMITEDIMAGECACHE)
+    pContext->m_pOptions->m_Flags |= RENDER_LIMITEDIMAGECACHE;
+  if (flags & FPDF_RENDER_FORCEHALFTONE)
+    pContext->m_pOptions->m_Flags |= RENDER_FORCE_HALFTONE;
+  if (flags & FPDF_RENDER_NO_SMOOTHTEXT)
+    pContext->m_pOptions->m_Flags |= RENDER_NOTEXTSMOOTH;
+  if (flags & FPDF_RENDER_NO_SMOOTHIMAGE)
+    pContext->m_pOptions->m_Flags |= RENDER_NOIMAGESMOOTH;
+  if (flags & FPDF_RENDER_NO_SMOOTHPATH)
+    pContext->m_pOptions->m_Flags |= RENDER_NOPATHSMOOTH;
+  // Grayscale output
+  if (flags & FPDF_GRAYSCALE) {
+    pContext->m_pOptions->m_ColorMode = RENDER_COLOR_GRAY;
+    pContext->m_pOptions->m_ForeColor = 0;
+    pContext->m_pOptions->m_BackColor = 0xffffff;
+  }
+  const CPDF_OCContext::UsageType usage =
+      (flags & FPDF_PRINTING) ? CPDF_OCContext::Print : CPDF_OCContext::View;
+  pContext->m_pOptions->m_AddFlags = flags >> 8;
+  pContext->m_pOptions->m_pOCContext =
+      new CPDF_OCContext(pPage->m_pDocument, usage);
+
+  CFX_AffineMatrix matrix;
+  pPage->GetDisplayMatrix(matrix, start_x, start_y, size_x, size_y, rotate);
+
+  FX_RECT clip;
+  clip.left = start_x;
+  clip.right = start_x + size_x;
+  clip.top = start_y;
+  clip.bottom = start_y + size_y;
+  pContext->m_pDevice->SaveState();
+  pContext->m_pDevice->SetClip_Rect(&clip);
+
+  pContext->m_pContext = new CPDF_RenderContext;
+  pContext->m_pContext->Create(pPage);
+  pContext->m_pContext->AppendObjectList(pPage, &matrix);
+
+  if (flags & FPDF_ANNOT) {
+    pContext->m_pAnnots = new CPDF_AnnotList(pPage);
+    FX_BOOL bPrinting = pContext->m_pDevice->GetDeviceClass() != FXDC_DISPLAY;
+    pContext->m_pAnnots->DisplayAnnots(pPage, pContext->m_pContext, bPrinting,
+                                       &matrix, TRUE, NULL);
+  }
+
+  pContext->m_pRenderer = new CPDF_ProgressiveRenderer(
+      pContext->m_pContext, pContext->m_pDevice, pContext->m_pOptions);
+  pContext->m_pRenderer->Start(pause);
+  if (bNeedToRestore)
+    pContext->m_pDevice->RestoreState();
+}
+
+DLLEXPORT int STDCALL FPDF_GetPageSizeByIndex(FPDF_DOCUMENT document,
+                                              int page_index,
+                                              double* width,
+                                              double* height) {
+  CPDF_Document* pDoc = (CPDF_Document*)document;
+  if (pDoc == NULL)
+    return FALSE;
+
+  CPDF_Dictionary* pDict = pDoc->GetPage(page_index);
+  if (pDict == NULL)
+    return FALSE;
+
+  CPDF_Page page;
+  page.Load(pDoc, pDict);
+  *width = page.GetPageWidth();
+  *height = page.GetPageHeight();
+
+  return TRUE;
+}
+
+DLLEXPORT FPDF_BOOL STDCALL
+FPDF_VIEWERREF_GetPrintScaling(FPDF_DOCUMENT document) {
+  CPDF_Document* pDoc = (CPDF_Document*)document;
+  if (!pDoc)
+    return TRUE;
+  CPDF_ViewerPreferences viewRef(pDoc);
+  return viewRef.PrintScaling();
+}
+
+DLLEXPORT int STDCALL FPDF_VIEWERREF_GetNumCopies(FPDF_DOCUMENT document) {
+  CPDF_Document* pDoc = (CPDF_Document*)document;
+  if (!pDoc)
+    return 1;
+  CPDF_ViewerPreferences viewRef(pDoc);
+  return viewRef.NumCopies();
+}
+
+DLLEXPORT FPDF_PAGERANGE STDCALL
+FPDF_VIEWERREF_GetPrintPageRange(FPDF_DOCUMENT document) {
+  CPDF_Document* pDoc = (CPDF_Document*)document;
+  if (!pDoc)
+    return NULL;
+  CPDF_ViewerPreferences viewRef(pDoc);
+  return viewRef.PrintPageRange();
+}
+
+DLLEXPORT FPDF_DUPLEXTYPE STDCALL
+FPDF_VIEWERREF_GetDuplex(FPDF_DOCUMENT document) {
+  CPDF_Document* pDoc = (CPDF_Document*)document;
+  if (!pDoc)
     return DuplexUndefined;
-}
-
-DLLEXPORT FPDF_DEST STDCALL FPDF_GetNamedDestByName(FPDF_DOCUMENT document,FPDF_BYTESTRING name)
-{
-       if (document == NULL)
-               return NULL;
-       if (name == NULL || name[0] == 0) 
-               return NULL;
-
-       CPDF_Document* pDoc = (CPDF_Document*)document;
-       CPDF_NameTree name_tree(pDoc, FX_BSTRC("Dests"));
-       return name_tree.LookupNamedDest(pDoc, name);
+  CPDF_ViewerPreferences viewRef(pDoc);
+  CFX_ByteString duplex = viewRef.Duplex();
+  if (FX_BSTRC("Simplex") == duplex)
+    return Simplex;
+  if (FX_BSTRC("DuplexFlipShortEdge") == duplex)
+    return DuplexFlipShortEdge;
+  if (FX_BSTRC("DuplexFlipLongEdge") == duplex)
+    return DuplexFlipLongEdge;
+  return DuplexUndefined;
+}
+
+DLLEXPORT FPDF_DWORD STDCALL FPDF_CountNamedDests(FPDF_DOCUMENT document) {
+  if (!document)
+    return 0;
+  CPDF_Document* pDoc = (CPDF_Document*)document;
+
+  CPDF_Dictionary* pRoot = pDoc->GetRoot();
+  if (!pRoot)
+    return 0;
+
+  CPDF_NameTree nameTree(pDoc, FX_BSTRC("Dests"));
+  int count = nameTree.GetCount();
+  CPDF_Dictionary* pDest = pRoot->GetDict(FX_BSTRC("Dests"));
+  if (pDest)
+    count += pDest->GetCount();
+  return count;
+}
+
+DLLEXPORT FPDF_DEST STDCALL FPDF_GetNamedDestByName(FPDF_DOCUMENT document,
+                                                    FPDF_BYTESTRING name) {
+  if (!document)
+    return NULL;
+  if (!name || name[0] == 0)
+    return NULL;
+
+  CPDF_Document* pDoc = (CPDF_Document*)document;
+  CPDF_NameTree name_tree(pDoc, FX_BSTRC("Dests"));
+  return name_tree.LookupNamedDest(pDoc, name);
+}
+
+DLLEXPORT FPDF_DEST STDCALL FPDF_GetNamedDest(FPDF_DOCUMENT document,
+                                              int index,
+                                              void* buffer,
+                                              long* buflen) {
+  if (!buffer)
+    *buflen = 0;
+  if (!document || index < 0)
+    return NULL;
+  CPDF_Document* pDoc = (CPDF_Document*)document;
+
+  CPDF_Dictionary* pRoot = pDoc->GetRoot();
+  if (!pRoot)
+    return NULL;
+
+  CPDF_Object* pDestObj = NULL;
+  CFX_ByteString bsName;
+  CPDF_NameTree nameTree(pDoc, FX_BSTRC("Dests"));
+  int count = nameTree.GetCount();
+  if (index >= count) {
+    CPDF_Dictionary* pDest = pRoot->GetDict(FX_BSTRC("Dests"));
+    if (!pDest)
+      return NULL;
+    if (index >= count + pDest->GetCount())
+      return NULL;
+    index -= count;
+    FX_POSITION pos = pDest->GetStartPos();
+    int i = 0;
+    while (pos) {
+      pDestObj = pDest->GetNextElement(pos, bsName);
+      if (!pDestObj)
+        continue;
+      if (i == index)
+        break;
+      i++;
+    }
+  } else {
+    pDestObj = nameTree.LookupValue(index, bsName);
+  }
+  if (!pDestObj)
+    return NULL;
+  if (pDestObj->GetType() == PDFOBJ_DICTIONARY) {
+    pDestObj = ((CPDF_Dictionary*)pDestObj)->GetArray(FX_BSTRC("D"));
+    if (!pDestObj)
+      return NULL;
+  }
+  if (pDestObj->GetType() != PDFOBJ_ARRAY)
+    return NULL;
+  CFX_WideString wsName = PDF_DecodeText(bsName);
+  CFX_ByteString utf16Name = wsName.UTF16LE_Encode();
+  unsigned int len = utf16Name.GetLength();
+  if (!buffer) {
+    *buflen = len;
+  } else if (*buflen >= len) {
+    memcpy(buffer, utf16Name.c_str(), len);
+    *buflen = len;
+  } else {
+    *buflen = -1;
+  }
+  return (FPDF_DEST)pDestObj;
 }