Merge to XFA: Create top-level public/ header directory.

fpdfsdk/include/fpdfview.h

Index: fpdfsdk/include/fpdfview.h
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-// 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 _FPDFVIEW_H_
-#define _FPDFVIEW_H_
-
-#if defined(_WIN32) && !defined(__WINDOWS__)
-#include <windows.h>
-#endif
-
-//  TODO: remove the #define when XFA is officially in pdfium
-#define PDF_USE_XFA
-
-// Data types
-typedef void*	FPDF_MODULEMGR;
-
-// PDF types
-typedef void*	FPDF_DOCUMENT;		
-typedef void*	FPDF_PAGE;			
-typedef void*	FPDF_WIDGET;	
-typedef void*	FPDF_STRINGHANDLE;
-typedef void*	FPDF_PAGEOBJECT;	// Page object(text, path, etc)
-typedef void*	FPDF_PATH;
-typedef void*	FPDF_CLIPPATH;	
-typedef void*	FPDF_BITMAP;	
-typedef void*	FPDF_FONT;			
-
-typedef void*	FPDF_TEXTPAGE;
-typedef void*	FPDF_SCHHANDLE;
-typedef void*	FPDF_PAGELINK;
-typedef void*	FPDF_HMODULE;
-typedef void*	FPDF_DOCSCHHANDLE;
-
-typedef void*	FPDF_BOOKMARK;
-typedef void*	FPDF_DEST;
-typedef void*	FPDF_ACTION;
-typedef void*	FPDF_LINK;
-typedef void*   FPDF_PAGERANGE;
-
-// Basic data types
-typedef void*			FPDF_LPVOID;
-typedef void const*		FPDF_LPCVOID;
-typedef int				FPDF_RESULT;
-typedef int				FPDF_BOOL;
-typedef int				FPDF_ERROR;	
-typedef unsigned long	FPDF_DWORD;
-
-typedef	float			FS_FLOAT;
-
-// Duplex types
-typedef enum _FPDF_DUPLEXTYPE_ {
-    DuplexUndefined = 0,
-    Simplex,
-    DuplexFlipShortEdge,
-    DuplexFlipLongEdge
-} FPDF_DUPLEXTYPE;
-
-// String types
-typedef unsigned short			FPDF_WCHAR;
-typedef unsigned char const*	FPDF_LPCBYTE;
-typedef char const*				FPDF_LPCSTR;
-
-// FPDFSDK may use three types of strings: byte string, wide string (UTF-16LE encoded), and platform dependent string
-typedef const char*				FPDF_BYTESTRING;
-
-typedef const unsigned short*	FPDF_WIDESTRING;		// Foxit PDF SDK always use UTF-16LE encoding wide string,
-														// each character use 2 bytes (except surrogation), with low byte first.
-
-#ifndef _FPDF_DEF_STR_
-#define _FPDF_DEF_STR_
-/** @brief Structure for byte string.
-  *
-  * @note In SDK, a byte string commonly means a UTF-16LE format string.
-  */
-typedef struct _FPDF_BSTR
-{
-	/** 
-	 * @brief String buffer.
-	 */
-	char*	str;
-	/**
-	 * @brief	Length of a string, in bytes.
-	 */
-	int	len;
-} FPDF_BSTR;
-
-#endif
-
-// For Windows programmers: for most case it's OK to treat FPDF_WIDESTRING as Windows unicode string,
-//		 however, special care needs to be taken if you expect to process Unicode larger than 0xffff.
-// For Linux/Unix programmers: most compiler/library environment uses 4 bytes for a Unicode character,
-//		you have to convert between FPDF_WIDESTRING and system wide string by yourself.
-
-#ifdef _WIN32_WCE
-typedef const unsigned short* FPDF_STRING;
-#else
-typedef const char* FPDF_STRING;
-#endif
-
-#ifndef _FS_DEF_MATRIX_
-#define _FS_DEF_MATRIX_
-/** @brief Matrix for transformation. */
-typedef struct _FS_MATRIX_
-{
-	float	a;	/**< @brief Coefficient a.*/
-	float	b;	/**< @brief Coefficient b.*/
-	float	c;	/**< @brief Coefficient c.*/
-	float	d;	/**< @brief Coefficient d.*/
-	float	e;	/**< @brief Coefficient e.*/
-	float	f;	/**< @brief Coefficient f.*/
-} FS_MATRIX;
-#endif
-
-#ifndef _FS_DEF_RECTF_
-#define _FS_DEF_RECTF_
-/** @brief Rectangle area(float) in device or page coordination system. */
-typedef struct _FS_RECTF_
-{
-	/**@{*/
-	/** @brief The x-coordinate of the left-top corner. */
-	float	left;
-	/** @brief The y-coordinate of the left-top corner. */
-	float	top;
-	/** @brief The x-coordinate of the right-bottom corner. */
-	float	right;
-	/** @brief The y-coordinate of the right-bottom corner. */
-	float	bottom;
-	/**@}*/
-}* FS_LPRECTF, FS_RECTF;
-/** @brief Const Pointer to ::FS_RECTF structure.*/
-typedef const FS_RECTF*	FS_LPCRECTF;
-#endif
-
-#if defined(_WIN32) && defined(FPDFSDK_EXPORTS)
-// On Windows system, functions are exported in a DLL
-#define DLLEXPORT __declspec( dllexport )
-#define STDCALL __stdcall
-#else
-#define DLLEXPORT
-#define STDCALL
-#endif
-
-extern const char g_ExpireDate[];
-extern const char g_ModuleCodes[];
-
-// Exported Functions
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-// Function: FPDF_InitLibrary
-//			Initialize the FPDFSDK library 
-// Parameters:
-//			None
-// Return value:
-//			None.
-// Comments:
-//			You have to call this function before you can call any PDF processing functions.
-
-DLLEXPORT void STDCALL FPDF_InitLibrary();
-
-
-// Function: FPDF_DestroyLibary
-//			Release all resources allocated by the FPDFSDK library.
-// Parameters:
-//			None.
-// Return value:
-//			None.
-// Comments:
-//			You can call this function to release all memory blocks allocated by the library. 
-//			After this function called, you should not call any PDF processing functions.
-DLLEXPORT void STDCALL FPDF_DestroyLibrary();
-
-//Policy for accessing the local machine time.
-#define FPDF_POLICY_MACHINETIME_ACCESS	0
-
-// Function: FPDF_SetSandBoxPolicy
-//			Set the policy for the sandbox environment.
-// Parameters:	
-//			policy		-	The specified policy for setting, for example:FPDF_POLICY_MACHINETIME_ACCESS.
-//			enable		-	True for enable, False for disable the policy.
-// Return value:
-//			None.
-DLLEXPORT void	STDCALL FPDF_SetSandBoxPolicy(FPDF_DWORD policy, FPDF_BOOL enable);
-
-/**
-* Open and load a PDF document.
-* @param[in] file_path	-	Path to the PDF file (including extension).
-* @param[in] password	-	A string used as the password for PDF file. 
-*							If no password needed, empty or NULL can be used.
-* @note		Loaded document can be closed by FPDF_CloseDocument.
-*			If this function fails, you can use FPDF_GetLastError() to retrieve
-*			the reason why it fails.
-*			The application should call ::FPDF_LoadXFA function after PDF document loaded 
-*			to support XFA fields in fpdfformfill.h file.
-*
-* @retval	A handle to the loaded document. If failed, NULL is returned.
-*/
-DLLEXPORT FPDF_DOCUMENT	STDCALL FPDF_LoadDocument(FPDF_STRING file_path, 
-	FPDF_BYTESTRING password);
-
-// Function: FPDF_LoadMemDocument
-//			Open and load a PDF document from memory.
-// Parameters: 
-//			data_buf	-	Pointer to a buffer containing the PDF document.
-//			size		-	Number of bytes in the PDF document.
-//			password	-	A string used as the password for PDF file. 
-//							If no password needed, empty or NULL can be used.
-// Return value:
-//			A handle to the loaded document. If failed, NULL is returned.
-// Comments:
-//			The memory buffer must remain valid when the document is open.
-//			Loaded document can be closed by FPDF_CloseDocument.
-//			If this function fails, you can use FPDF_GetLastError() to retrieve
-//			the reason why it fails.
-// Notes:
-//			The application should call ::FPDF_LoadXFA function after PDF document loaded 
-//			to support XFA fields in fpdfformfill.h file.
-//
-DLLEXPORT FPDF_DOCUMENT	STDCALL FPDF_LoadMemDocument(const void* data_buf, 
-											int size, FPDF_BYTESTRING password);
-
-// Structure for custom file access.
-typedef struct {
-	// File length, in bytes.
-	unsigned long	m_FileLen;
-
-	// A function pointer for getting a block of data from specific position.
-	// Position is specified by byte offset from beginning of the file.
-	// The position and size will never go out range of file length.
-	// It may be possible for FPDFSDK to call this function multiple times for same position.
-	// Return value: should be non-zero if successful, zero for error.
-	int				(*m_GetBlock)(void* param, unsigned long position, unsigned char* pBuf, unsigned long size);
-
-	// A custom pointer for all implementation specific data.
-	// This pointer will be used as the first parameter to m_GetBlock callback.
-	void*			m_Param;
-} FPDF_FILEACCESS;
-
-/**
- * @brief Structure for file reading or writing (I/O).
- *
- * @note This is a handler and should be implemented by callers.
- */
-typedef struct _FPDF_FILEHANDLER
-{
-	/**
-	 * @brief User-defined data.
-	 * @note Callers can use this field to track controls.
-	 */
-	FPDF_LPVOID	clientData;
-	/**
-	 * @brief Callback function to release the current file stream object.
-	 *
-	 * @param[in] clientData	Pointer to user-defined data.
-	 *
-	 * @return None.
-	 */
-	void		(*Release)(FPDF_LPVOID clientData);
-	/**
-	 * @brief Callback function to retrieve the current file stream size.
-	 *
-	 * @param[in] clientData	Pointer to user-defined data.
-	 *
-	 * @return Size of file stream.
-	 */
-	FPDF_DWORD	(*GetSize)(FPDF_LPVOID clientData);
-	/**
-	 * @brief Callback function to read data from the current file stream.
-	 *
-	 * @param[in]	clientData	Pointer to user-defined data.
-	 * @param[in]	offset		Offset position starts from the beginning of file stream. This parameter indicates reading position.
-	 * @param[in]	buffer		Memory buffer to store data which are read from file stream. This parameter should not be <b>NULL</b>.
-	 * @param[in]	size		Size of data which should be read from file stream, in bytes. The buffer indicated by the parameter <i>buffer</i> should be enough to store specified data.
-	 * 
-	 * @return 0 for success, other value for failure.
-	 */
-	FPDF_RESULT	(*ReadBlock)(FPDF_LPVOID clientData, FPDF_DWORD offset, FPDF_LPVOID buffer, FPDF_DWORD size);
-	/**
-	 * @brief	Callback function to write data into the current file stream.
-	 *
-	 * @param[in]	clientData	Pointer to user-defined data.
-	 * @param[in]	offset		Offset position starts from the beginning of file stream. This parameter indicates writing position.
-	 * @param[in]	buffer		Memory buffer contains data which is written into file stream. This parameter should not be <b>NULL</b>.
-	 * @param[in]	size		Size of data which should be written into file stream, in bytes.
-	 *
-	 * @return 0 for success, other value for failure.
-	 */
-	FPDF_RESULT	(*WriteBlock)(FPDF_LPVOID clientData, FPDF_DWORD offset, FPDF_LPCVOID buffer, FPDF_DWORD size);
-	/**
-	 * @brief	Callback function to flush all internal accessing buffers.
-	 *
-	 * @param[in]	clientData	Pointer to user-defined data.
-	 *
-	 * @return 0 for success, other value for failure.
-	 */
-	FPDF_RESULT	(*Flush)(FPDF_LPVOID clientData);
-	/**
-	 * @brief	Callback function to change file size.
-	 *
-	 * @details	This function is called under writing mode usually. Implementer can determine whether to realize it based on application requests.
-	 *
-	 * @param[in]	clientData	Pointer to user-defined data.
-	 * @param[in]	size		New size of file stream, in bytes.
-	 *
-	 * @return 0 for success, other value for failure.
-	 */
-	FPDF_RESULT	(*Truncate)(FPDF_LPVOID clientData, FPDF_DWORD size);
-
-} FPDF_FILEHANDLER, *FPDF_LPFILEHANDLER;
-
-// Function: FPDF_LoadCustomDocument
-//			Load PDF document from a custom access descriptor.
-// Parameters:
-//			pFileAccess	-	A structure for access the file.
-//			password	-	Optional password for decrypting the PDF file.
-// Return value:
-//			A handle to the loaded document. If failed, NULL is returned.
-// Comments:
-//			The application should maintain the file resources being valid until the PDF document close.
-//			Loaded document can be closed by FPDF_CloseDocument.
-// Notes:
-//			The application should call ::FPDF_LoadXFA function after PDF document loaded 
-//			to support XFA fields in fpdfformfill.h file.
-//
-DLLEXPORT FPDF_DOCUMENT STDCALL FPDF_LoadCustomDocument(FPDF_FILEACCESS* pFileAccess, 
-														FPDF_BYTESTRING password);
-
-// Function: FPDF_GetFileVersion
-//			Get the file version of the specific PDF document.
-// Parameters:
-//			doc			-	Handle to document.
-//			fileVersion	-	The PDF file version. File version: 14 for 1.4, 15 for 1.5, ...
-// Return value:
-//			TRUE if this call succeed, If failed, FALSE is returned.
-// Comments:
-//			If the document is created by function ::FPDF_CreateNewDocument, then this function would always fail.
-//
-DLLEXPORT FPDF_BOOL STDCALL FPDF_GetFileVersion(FPDF_DOCUMENT doc, int* fileVersion);
-
-#define FPDF_ERR_SUCCESS		0		// No error.
-#define FPDF_ERR_UNKNOWN		1		// Unknown error.
-#define FPDF_ERR_FILE			2		// File not found or could not be opened.
-#define FPDF_ERR_FORMAT			3		// File not in PDF format or corrupted.
-#define FPDF_ERR_PASSWORD		4		// Password required or incorrect password.
-#define FPDF_ERR_SECURITY		5		// Unsupported security scheme.
-#define FPDF_ERR_PAGE			6		// Page not found or content error.
-#define FPDF_ERR_XFALOAD		7		// Load XFA error.
-#define FPDF_ERR_XFALAYOUT		8       // Layout XFA error.
-
-// Function: FPDF_GetLastError
-//			Get last error code when an SDK function failed.
-// Parameters: 
-//			None.
-// Return value:
-//			A 32-bit integer indicating error codes (defined above).
-// Comments:
-//			If the previous SDK call succeeded, the return value of this function
-//			is not defined.
-//
-DLLEXPORT unsigned long	STDCALL FPDF_GetLastError();
-
-// Function: FPDF_GetDocPermission
-//			Get file permission flags of the document.
-// Parameters: 
-//			document	-	Handle to document. Returned by FPDF_LoadDocument function.
-// Return value:
-//			A 32-bit integer indicating permission flags. Please refer to PDF Reference for
-//			detailed description. If the document is not protected, 0xffffffff will be returned.
-//
-DLLEXPORT unsigned long	STDCALL FPDF_GetDocPermissions(FPDF_DOCUMENT document);
-
-// Function: FPDF_GetSecurityHandlerRevision
-//			Get the revision for security handler.
-// Parameters:
-//			document	-	Handle to document. Returned by FPDF_LoadDocument function.
-// Return value:
-//			The security handler revision number. Please refer to PDF Reference for
-//			detailed description. If the document is not protected, -1 will be returned.
-//
-DLLEXPORT int STDCALL FPDF_GetSecurityHandlerRevision(FPDF_DOCUMENT document);
-
-// Function: FPDF_GetPageCount
-//			Get total number of pages in a document.
-// Parameters: 
-//			document	-	Handle to document. Returned by FPDF_LoadDocument function.
-// Return value:
-//			Total number of pages in the document.
-//
-DLLEXPORT int STDCALL FPDF_GetPageCount(FPDF_DOCUMENT document);
-
-// Function: FPDF_LoadPage
-//			Load a page inside a document.
-// Parameters: 
-//			document	-	Handle to document. Returned by FPDF_LoadDocument function.
-//			page_index	-	Index number of the page. 0 for the first page.
-// Return value:
-//			A handle to the loaded page. If failed, NULL is returned.
-// Comments:
-//			Loaded page can be rendered to devices using FPDF_RenderPage function.
-//			Loaded page can be closed by FPDF_ClosePage.
-//
-DLLEXPORT FPDF_PAGE	STDCALL FPDF_LoadPage(FPDF_DOCUMENT document, int page_index);
-
-// Function: FPDF_GetPageWidth
-//			Get page width.
-// Parameters:
-//			page		-	Handle to the page. Returned by FPDF_LoadPage function.
-// Return value:
-//			Page width (excluding non-displayable area) measured in points.
-//			One point is 1/72 inch (around 0.3528 mm).
-//
-DLLEXPORT double STDCALL FPDF_GetPageWidth(FPDF_PAGE page);
-
-// Function: FPDF_GetPageHeight
-//			Get page height.
-// Parameters:
-//			page		-	Handle to the page. Returned by FPDF_LoadPage function.
-// Return value:
-//			Page height (excluding non-displayable area) measured in points.
-//			One point is 1/72 inch (around 0.3528 mm)
-//
-DLLEXPORT double STDCALL FPDF_GetPageHeight(FPDF_PAGE page);
-
-// Function: FPDF_GetPageSizeByIndex
-//			Get the size of a page by index.
-// Parameters:
-//			document	-	Handle to document. Returned by FPDF_LoadDocument function.
-//			page_index	-	Page index, zero for the first page.
-//			width		-	Pointer to a double value receiving the page width (in points).
-//			height		-	Pointer to a double value receiving the page height (in points).
-// Return value:
-//			Non-zero for success. 0 for error (document or page not found).
-//
-DLLEXPORT int STDCALL FPDF_GetPageSizeByIndex(FPDF_DOCUMENT document, int page_index, double* width, double* height);
-
-
-// Page rendering flags. They can be combined with bit OR.
-#define FPDF_ANNOT			0x01		// Set if annotations are to be rendered.
-#define FPDF_LCD_TEXT		0x02		// Set if using text rendering optimized for LCD display.
-#define FPDF_NO_NATIVETEXT	0x04		// Don't use the native text output available on some platforms
-#define FPDF_GRAYSCALE		0x08		// Grayscale output.
-#define FPDF_DEBUG_INFO		0x80		// Set if you want to get some debug info. 
-										// Please discuss with Foxit first if you need to collect debug info.
-#define FPDF_NO_CATCH		0x100		// Set if you don't want to catch exception.
-#define FPDF_RENDER_LIMITEDIMAGECACHE	0x200	// Limit image cache size. 
-#define FPDF_RENDER_FORCEHALFTONE		0x400	// Always use halftone for image stretching.
-#define FPDF_PRINTING		0x800	// Render for printing.
-#define FPDF_REVERSE_BYTE_ORDER		0x10		//set whether render in a reverse Byte order, this flag only 
-												//enable when render to a bitmap.
-#ifdef _WIN32
-// Function: FPDF_RenderPage
-//			Render contents in a page to a device (screen, bitmap, or printer).
-//			This function is only supported on Windows system.
-// Parameters: 
-//			dc			-	Handle to device context.
-//			page		-	Handle to the page. Returned by FPDF_LoadPage function.
-//			start_x		-	Left pixel position of the display area in the device coordinate.
-//			start_y		-	Top pixel position of the display area in the device coordinate.
-//			size_x		-	Horizontal size (in pixels) for displaying the page.
-//			size_y		-	Vertical size (in pixels) for displaying the page.
-//			rotate		-	Page orientation: 0 (normal), 1 (rotated 90 degrees clockwise),
-//								2 (rotated 180 degrees), 3 (rotated 90 degrees counter-clockwise).
-//			flags		-	0 for normal display, or combination of flags defined above.
-// Return value:
-//			None.
-// Notes:
-//			The method can not support to render the page for the document consists of dynamic XFA fields. 
-//
-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);
-#endif
-
-// Function: FPDF_RenderPageBitmap
-//			Render contents in a page to a device independent bitmap
-// Parameters: 
-//			bitmap		-	Handle to the device independent bitmap (as the output buffer).
-//							Bitmap handle can be created by FPDFBitmap_Create function.
-//			page		-	Handle to the page. Returned by FPDF_LoadPage function.
-//			start_x		-	Left pixel position of the display area in the bitmap coordinate.
-//			start_y		-	Top pixel position of the display area in the bitmap coordinate.
-//			size_x		-	Horizontal size (in pixels) for displaying the page.
-//			size_y		-	Vertical size (in pixels) for displaying the page.
-//			rotate		-	Page orientation: 0 (normal), 1 (rotated 90 degrees clockwise),
-//								2 (rotated 180 degrees), 3 (rotated 90 degrees counter-clockwise).
-//			flags		-	0 for normal display, or combination of flags defined above.
-// Return value:
-//			None.
-// Notes:
-//			The method can not support to render the page for the document consists of dynamic XFA fields. 
-//
-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);
-
-// Function: FPDF_ClosePage
-//			Close a loaded PDF page.
-// Parameters: 
-//			page		-	Handle to the loaded page.
-// Return value:
-//			None.
-//
-DLLEXPORT void STDCALL FPDF_ClosePage(FPDF_PAGE page);
-
-// Function: FPDF_CloseDocument
-//			Close a loaded PDF document.
-// Parameters: 
-//			document	-	Handle to the loaded document.
-// Return value:
-//			None.
-//
-DLLEXPORT void STDCALL FPDF_CloseDocument(FPDF_DOCUMENT document);
-
-// Function: FPDF_DeviceToPage
-//			Convert the screen coordinate of a point to page coordinate.
-// Parameters:
-//			page		-	Handle to the page. Returned by FPDF_LoadPage function.
-//			start_x		-	Left pixel position of the display area in the device coordinate.
-//			start_y		-	Top pixel position of the display area in the device coordinate.
-//			size_x		-	Horizontal size (in pixels) for displaying the page.
-//			size_y		-	Vertical size (in pixels) for displaying the page.
-//			rotate		-	Page orientation: 0 (normal), 1 (rotated 90 degrees clockwise),
-//								2 (rotated 180 degrees), 3 (rotated 90 degrees counter-clockwise).
-//			device_x	-	X value in device coordinate, for the point to be converted.
-//			device_y	-	Y value in device coordinate, for the point to be converted.
-//			page_x		-	A Pointer to a double receiving the converted X value in page coordinate.
-//			page_y		-	A Pointer to a double receiving the converted Y value in page coordinate.
-// Return value:
-//			None.
-// Comments:
-//			The page coordinate system has its origin at left-bottom corner of the page, with X axis goes along
-//			the bottom side to the right, and Y axis goes along the left side upward. NOTE: this coordinate system 
-//			can be altered when you zoom, scroll, or rotate a page, however, a point on the page should always have 
-//			the same coordinate values in the page coordinate system. 
-//
-//			The device coordinate system is device dependent. For screen device, its origin is at left-top
-//			corner of the window. However this origin can be altered by Windows coordinate transformation
-//			utilities. You must make sure the start_x, start_y, size_x, size_y and rotate parameters have exactly
-//			same values as you used in FPDF_RenderPage() function call.
-//
-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);
-
-// Function: FPDF_PageToDevice
-//			Convert the page coordinate of a point to screen coordinate.
-// Parameters:
-//			page		-	Handle to the page. Returned by FPDF_LoadPage function.
-//			start_x		-	Left pixel position of the display area in the device coordinate.
-//			start_y		-	Top pixel position of the display area in the device coordinate.
-//			size_x		-	Horizontal size (in pixels) for displaying the page.
-//			size_y		-	Vertical size (in pixels) for displaying the page.
-//			rotate		-	Page orientation: 0 (normal), 1 (rotated 90 degrees clockwise),
-//								2 (rotated 180 degrees), 3 (rotated 90 degrees counter-clockwise).
-//			page_x		-	X value in page coordinate, for the point to be converted.
-//			page_y		-	Y value in page coordinate, for the point to be converted.
-//			device_x	-	A pointer to an integer receiving the result X value in device coordinate.
-//			device_y	-	A pointer to an integer receiving the result Y value in device coordinate.
-// Return value:
-//			None.
-// Comments:
-//			See comments of FPDF_DeviceToPage() function.
-//
-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);
-
-// Function: FPDFBitmap_Create
-//			Create a Foxit Device Independent Bitmap (FXDIB).
-// Parameters:
-//			width		-	Number of pixels in a horizontal line of the bitmap. Must be greater than 0.
-//			height		-	Number of pixels in a vertical line of the bitmap. Must be greater than 0.
-//			alpha		-	A flag indicating whether alpha channel is used. Non-zero for using alpha, zero for not using.
-// Return value:
-//			The created bitmap handle, or NULL if parameter error or out of memory.
-// Comments:
-//			An FXDIB always use 4 byte per pixel. The first byte of a pixel is always double word aligned.
-//			Each pixel contains red (R), green (G), blue (B) and optionally alpha (A) values.
-//			The byte order is BGRx (the last byte unused if no alpha channel) or BGRA.
-//			
-//			The pixels in a horizontal line (also called scan line) are stored side by side, with left most
-//			pixel stored first (with lower memory address). Each scan line uses width*4 bytes.
-//
-//			Scan lines are stored one after another, with top most scan line stored first. There is no gap
-//			between adjacent scan lines.
-//
-//			This function allocates enough memory for holding all pixels in the bitmap, but it doesn't 
-//			initialize the buffer. Applications can use FPDFBitmap_FillRect to fill the bitmap using any color.
-DLLEXPORT FPDF_BITMAP STDCALL FPDFBitmap_Create(int width, int height, int alpha);
-
-// More DIB formats
-#define FPDFBitmap_Gray		1		// Gray scale bitmap, one byte per pixel.
-#define FPDFBitmap_BGR		2		// 3 bytes per pixel, byte order: blue, green, red.
-#define FPDFBitmap_BGRx		3		// 4 bytes per pixel, byte order: blue, green, red, unused.
-#define FPDFBitmap_BGRA		4		// 4 bytes per pixel, byte order: blue, green, red, alpha.
-
-// Function: FPDFBitmap_CreateEx
-//			Create a Foxit Device Independent Bitmap (FXDIB)
-// Parameters:
-//			width		-	Number of pixels in a horizontal line of the bitmap. Must be greater than 0.
-//			height		-	Number of pixels in a vertical line of the bitmap. Must be greater than 0.
-//			format		-	A number indicating for bitmap format, as defined above.
-//			first_scan	-	A pointer to the first byte of first scan line, for external buffer
-//							only. If this parameter is NULL, then the SDK will create its own buffer.
-//			stride		-	Number of bytes for each scan line, for external buffer only..
-// Return value:
-//			The created bitmap handle, or NULL if parameter error or out of memory.
-// Comments:
-//			Similar to FPDFBitmap_Create function, with more formats and external buffer supported. 
-//			Bitmap created by this function can be used in any place that a FPDF_BITMAP handle is 
-//			required. 
-//
-//			If external scanline buffer is used, then the application should destroy the buffer
-//			by itself. FPDFBitmap_Destroy function will not destroy the buffer.
-//
-DLLEXPORT FPDF_BITMAP STDCALL FPDFBitmap_CreateEx(int width, int height, int format, void* first_scan, int stride);
-
-// Function: FPDFBitmap_FillRect
-//			Fill a rectangle area in an FXDIB.
-// Parameters:
-//			bitmap		-	The handle to the bitmap. Returned by FPDFBitmap_Create function.
-//			left		-	The left side position. Starting from 0 at the left-most pixel.
-//			top			-	The top side position. Starting from 0 at the top-most scan line.
-//			width		-	Number of pixels to be filled in each scan line.
-//			height		-	Number of scan lines to be filled.
-//			color		-	A 32-bit value specifing the color, in 8888 ARGB format.
-// Return value:
-//			None.
-// Comments:
-//			This function set the color and (optionally) alpha value in specified region of the bitmap.
-//			NOTE: If alpha channel is used, this function does NOT composite the background with the source color,
-//			instead the background will be replaced by the source color and alpha.
-//			If alpha channel is not used, the "alpha" parameter is ignored.
-//
-DLLEXPORT void STDCALL FPDFBitmap_FillRect(FPDF_BITMAP bitmap, int left, int top, int width, int height, FPDF_DWORD color);
-
-// Function: FPDFBitmap_GetBuffer
-//			Get data buffer of an FXDIB
-// Parameters:
-//			bitmap		-	Handle to the bitmap. Returned by FPDFBitmap_Create function.
-// Return value:
-//			The pointer to the first byte of the bitmap buffer.
-// Comments:
-//			The stride may be more than width * number of bytes per pixel
-//			Applications can use this function to get the bitmap buffer pointer, then manipulate any color
-//			and/or alpha values for any pixels in the bitmap.
-DLLEXPORT void* STDCALL FPDFBitmap_GetBuffer(FPDF_BITMAP bitmap);
-
-// Function: FPDFBitmap_GetWidth
-//			Get width of an FXDIB.
-// Parameters:
-//			bitmap		-	Handle to the bitmap. Returned by FPDFBitmap_Create function.
-// Return value:
-//			The number of pixels in a horizontal line of the bitmap.
-DLLEXPORT int STDCALL FPDFBitmap_GetWidth(FPDF_BITMAP bitmap);
-
-// Function: FPDFBitmap_GetHeight
-//			Get height of an FXDIB.
-// Parameters:
-//			bitmap		-	Handle to the bitmap. Returned by FPDFBitmap_Create function.
-// Return value:
-//			The number of pixels in a vertical line of the bitmap.
-DLLEXPORT int STDCALL FPDFBitmap_GetHeight(FPDF_BITMAP bitmap);
-
-// Function: FPDFBitmap_GetStride
-//			Get number of bytes for each scan line in the bitmap buffer.
-// Parameters:
-//			bitmap		-	Handle to the bitmap. Returned by FPDFBitmap_Create function.
-// Return value:
-//			The number of bytes for each scan line in the bitmap buffer.
-// Comments:
-//			The stride may be more than width * number of bytes per pixel
-DLLEXPORT int STDCALL FPDFBitmap_GetStride(FPDF_BITMAP bitmap);
-
-// Function: FPDFBitmap_Destroy
-//			Destroy an FXDIB and release all related buffers. 
-// Parameters:
-//			bitmap		-	Handle to the bitmap. Returned by FPDFBitmap_Create function.
-// Return value:
-//			None.
-// Comments:
-//			This function will not destroy any external buffer.
-//
-DLLEXPORT void STDCALL FPDFBitmap_Destroy(FPDF_BITMAP bitmap);
-
-// Function: FPDF_VIEWERREF_GetPrintScaling
-//			Whether the PDF document prefers to be scaled or not.
-// Parameters: 
-//			document	-	Handle to the loaded document.
-// Return value:
-//			None.
-//
-DLLEXPORT FPDF_BOOL STDCALL FPDF_VIEWERREF_GetPrintScaling(FPDF_DOCUMENT document);
-
-// Function: FPDF_VIEWERREF_GetNumCopies
-//			Returns the number of copies to be printed.
-// Parameters:
-//			document	-	Handle to the loaded document.
-// Return value:
-//          The number of copies to be printed.
-//
-DLLEXPORT int STDCALL FPDF_VIEWERREF_GetNumCopies(FPDF_DOCUMENT document);
-
-// Function: FPDF_VIEWERREF_GetPrintPageRange
-//			Page numbers to initialize print dialog box when file is printed.
-// Parameters:
-//			document	-	Handle to the loaded document.
-// Return value:
-//          The print page range to be used for printing.
-//
-DLLEXPORT FPDF_PAGERANGE STDCALL FPDF_VIEWERREF_GetPrintPageRange(FPDF_DOCUMENT document);
-
-// Function: FPDF_VIEWERREF_GetDuplex
-//			Returns the paper handling option to be used when printing from print dialog.
-// Parameters:
-//			document	-	Handle to the loaded document.
-// Return value:
-//          The paper handling option to be used when printing.
-//
-DLLEXPORT FPDF_DUPLEXTYPE STDCALL FPDF_VIEWERREF_GetDuplex(FPDF_DOCUMENT document);
-
-// Function: FPDF_CountNamedDests
-//			Get the count of named destinations in the PDF document.
-// Parameters:
-//			document	-	Handle to a document
-// Return value:
-//			The count of named destinations.
-DLLEXPORT FPDF_DWORD STDCALL FPDF_CountNamedDests(FPDF_DOCUMENT document);
-
-// Function: FPDF_GetNamedDestByName
-//			get a special dest handle by the index.
-// Parameters: 
-//			document	-	Handle to the loaded document.
-//			name		-	The name of a special named dest.
-// Return value:
-//			The handle of the dest.
-//
-DLLEXPORT FPDF_DEST STDCALL FPDF_GetNamedDestByName(FPDF_DOCUMENT document,FPDF_BYTESTRING name);
-
-// Function: FPDF_GetNamedDest
-//			Get the specified named destinations of the PDF document by index.
-// Parameters:
-//			document        -	Handle to a document
-//			index           -	The index of named destination.
-//			buffer          -	The buffer to obtain destination name, used as wchar_t*.
-//			buflen [in/out]	-	Size of the buffer in bytes on input, length of the result in bytes on output or -1 if the buffer is too small.
-// Return value:
-//			The destination handle of a named destination, or NULL if no named destination corresponding to |index|.
-// Comments:
-//			Call this function twice to get the name of the named destination:
-//			1) First time pass in |buffer| as NULL and get buflen.
-//			2) Second time pass in allocated |buffer| and buflen to retrieve |buffer|, which should be used as wchar_t*.
-//			   If buflen is not sufficiently large, it will be set to -1 upon return.
-//
-DLLEXPORT FPDF_DEST STDCALL FPDF_GetNamedDest(FPDF_DOCUMENT document, int index, void* buffer, long& buflen);
-
-// Function: FPDF_BStr_Init	
-//			Helper function to initialize a byte string.
-DLLEXPORT FPDF_RESULT STDCALL FPDF_BStr_Init(FPDF_BSTR* str);
-
-// Function: FPDF_BStr_Set	
-//			Helper function to set string data.
-DLLEXPORT FPDF_RESULT STDCALL FPDF_BStr_Set(FPDF_BSTR* str, FPDF_LPCSTR bstr, int length);
-
-// Function: FPDF_BStr_Clear	
-//			Helper function to clear a byte string.
-DLLEXPORT FPDF_RESULT STDCALL FPDF_BStr_Clear(FPDF_BSTR* str);
-
-#ifdef __cplusplus
-};
-#endif
-
-#endif // _FPDFVIEW_H_