Support linearized loading

core/include/fpdfapi/fpdf_parser.h

 // 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
 
 #ifndef CORE_INCLUDE_FPDFAPI_FPDF_PARSER_H_
 #define CORE_INCLUDE_FPDFAPI_FPDF_PARSER_H_
 
 #include "../fxcrt/fx_system.h"
 #include "fpdf_objects.h"
 
+class CFDF_Document;
+class CFDF_Parser;
+class CFX_AffineMatrix;
+class CFX_DIBSource;
+class CFX_FloatRect;
+class CFX_Font;
+class CFX_PrivateData;
+class CPDF_ColorSpace;
+class CPDF_CryptoHandler;
+class CPDF_DocPageData;
+class CPDF_DocRenderData;
 class CPDF_Document;
+class CPDF_Font;
+class CPDF_FontEncoding;
+class CPDF_HintTables;
+class CPDF_IccProfile;
+class CPDF_Image;
+class CPDF_ModuleMgr;
+class CPDF_Object;
 class CPDF_Parser;
+class CPDF_Pattern;
+class CPDF_Point;
 class CPDF_SecurityHandler;
 class CPDF_StandardSecurityHandler;
-class CPDF_CryptoHandler;
-class CPDF_Object;
 class IFX_FileRead;
-class CFDF_Document;
-class CFDF_Parser;
-class CFX_Font;
-class CFX_AffineMatrix;
-class CFX_FloatRect;
-class CPDF_Point;
-class CPDF_DocPageData;
-class CPDF_DocRenderData;
-class CPDF_ModuleMgr;
-class CFX_DIBSource;
-class CPDF_Font;
-class CPDF_Image;
-class CPDF_ColorSpace;
-class CPDF_Pattern;
-class CPDF_FontEncoding;
-class CPDF_IccProfile;
-class CFX_PrivateData;
+
 #define FPDFPERM_PRINT 0x0004
 #define FPDFPERM_MODIFY 0x0008
 #define FPDFPERM_EXTRACT 0x0010
 #define FPDFPERM_ANNOT_FORM 0x0020
 #define FPDFPERM_FILL_FORM 0x0100
 #define FPDFPERM_EXTRACT_ACCESS 0x0200
 #define FPDFPERM_ASSEMBLE 0x0400
 #define FPDFPERM_PRINT_HIGH 0x0800
 #define FPDF_PAGE_MAX_NUM 0xFFFFF
 
@@ skipping 788 matching lines @@
 class IFX_FileAvail {
  public:
   virtual ~IFX_FileAvail() {}
   virtual FX_BOOL IsDataAvail(FX_FILESIZE offset, FX_DWORD size) = 0;
 };
 class IFX_DownloadHints {
  public:
   virtual ~IFX_DownloadHints() {}
   virtual void AddSegment(FX_FILESIZE offset, FX_DWORD size) = 0;
 };
-#define PDF_IS_LINEARIZED 1
-#define PDF_NOT_LINEARIZED 0
-#define PDF_UNKNOW_LINEARIZED -1
+#define PDF_FILE_UNKNOW -1

[Tom Sepez, 2015/09/24 18:24:40]

nit: Still misspelled.  UNKNOWN
how about 
PDF_LINEARIZED
PDF_NOT_LINEARIZED
PDF_LINEARIZATION_UNKNOWN

[jun_fang, 2015/09/28 08:17:23]

Acknowledged.

+#define PDF_FILE_NOTLINEARIZED 0
+#define PDF_FILE_LINEARIZED 1
 #define PDFFORM_NOTAVAIL 0
 #define PDFFORM_AVAIL 1
 #define PDFFORM_NOTEXIST 2
 class IPDF_DataAvail {
  public:
   static IPDF_DataAvail* Create(IFX_FileAvail* pFileAvail,
                                 IFX_FileRead* pFileRead);
   virtual ~IPDF_DataAvail() {}
 
   IFX_FileAvail* GetFileAvail() const { return m_pFileAvail; }
@@ skipping 39 matching lines @@
   CPDF_PageNode() : m_type(PDF_PAGENODE_UNKOWN) {}
   ~CPDF_PageNode();
   PDF_PAGENODE_TYPE m_type;
   FX_DWORD m_dwPageNo;
   CFX_PtrArray m_childNode;
 };
 enum PDF_DATAAVAIL_STATUS {
   PDF_DATAAVAIL_HEADER = 0,
   PDF_DATAAVAIL_FIRSTPAGE,
   PDF_DATAAVAIL_FIRSTPAGE_PREPARE,
+  PDF_DATAAVAIL_HINTTABLE,
   PDF_DATAAVAIL_END,
   PDF_DATAAVAIL_CROSSREF,
   PDF_DATAAVAIL_CROSSREF_ITEM,
   PDF_DATAAVAIL_CROSSREF_STREAM,
   PDF_DATAAVAIL_TRAILER,
   PDF_DATAAVAIL_LOADALLCRSOSSREF,
   PDF_DATAAVAIL_ROOT,
   PDF_DATAAVAIL_INFO,
   PDF_DATAAVAIL_ACROFORM,
   PDF_DATAAVAIL_ACROFORM_SUBOBJECT,
@@ skipping 11 matching lines @@
                        FX_DWORD src_size,
                        const CPDF_Dictionary* pDict,
                        uint8_t*& dest_buf,
                        FX_DWORD& dest_size,
                        CFX_ByteString& ImageEncoding,
                        CPDF_Dictionary*& pImageParms,
                        FX_DWORD estimated_size,
                        FX_BOOL bImageAcc);
 
 #endif  // CORE_INCLUDE_FPDFAPI_FPDF_PARSER_H_