Support linearized loading

core/include/fpdfapi/fpdf_parser.h

Index: core/include/fpdfapi/fpdf_parser.h
diff --git a/core/include/fpdfapi/fpdf_parser.h b/core/include/fpdfapi/fpdf_parser.h
index 03ae4cf5706117a6647f14adb1db7b9e84b3aa3b..2cb77155c4b74085136ca08fe20f58f08521bb8f 100644
--- a/core/include/fpdfapi/fpdf_parser.h
+++ b/core/include/fpdfapi/fpdf_parser.h
@@ -10,30 +10,32 @@
 #include "../fxcrt/fx_system.h"
 #include "fpdf_objects.h"
 
-class CPDF_Document;
-class CPDF_Parser;
-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_DIBSource;
 class CFX_FloatRect;
-class CPDF_Point;
+class CFX_Font;
+class CFX_PrivateData;
+class CPDF_ColorSpace;
+class CPDF_CryptoHandler;
 class CPDF_DocPageData;
 class CPDF_DocRenderData;
-class CPDF_ModuleMgr;
-class CFX_DIBSource;
+class CPDF_Document;
 class CPDF_Font;
-class CPDF_Image;
-class CPDF_ColorSpace;
-class CPDF_Pattern;
 class CPDF_FontEncoding;
+class CPDF_HintTables;
 class CPDF_IccProfile;
-class CFX_PrivateData;
+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 IFX_FileRead;
+
 #define FPDFPERM_PRINT 0x0004
 #define FPDFPERM_MODIFY 0x0008
 #define FPDFPERM_EXTRACT 0x0010
@@ -842,9 +844,9 @@ class IFX_DownloadHints {
   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
+#define PDF_FILE_NOTLINEARIZED 0
+#define PDF_FILE_LINEARIZED 1
 #define PDFFORM_NOTAVAIL 0
 #define PDFFORM_AVAIL 1
 #define PDFFORM_NOTEXIST 2
@@ -904,6 +906,7 @@ 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,