Tidy public/ directory.

- Make include guards consistent with standard and filenames.
- Remove stray semicolon folowing extern "C" section close-brace.
- Untabify.
- Delete trailing whitespace.

R=thestig@chromium.org

Review URL: https://codereview.chromium.org/1128003005

1 files changed, 634 insertions, 636 deletions

diff --git a/public/fpdf_formfill.h b/public/fpdf_formfill.h
index 9819359892..a1b9ec2a77 100644
--- a/public/fpdf_formfill.h
+++ b/public/fpdf_formfill.h
@@ -1,12 +1,12 @@
 // 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 PUBLIC_FPDF_FORMFILL_H_
+#define PUBLIC_FPDF_FORMFILL_H_
 
-#ifndef _FPDFORMFILL_H
-#define _FPDFORMFILL_H
 #include "fpdfview.h"
 
 typedef void* FPDF_FORMHANDLE;
@@ -20,515 +20,515 @@ typedef struct _IPDF_JsPlatform
 {
 /**
 * Version number of the interface. Currently must be 1.
-	**/
-	int version;
-	
-	/** 
-	* Method: app_alert
-	*			pop up a dialog to show warning or hint.
-	* Interface Version:
-	*			1
-	* Implementation Required:
-	*			yes
-	* Parameters:
-	*			pThis		-	Pointer to the interface structure itself
-	*			Msg			-	A string containing the message to be displayed.
-	*			Title		-   The title of the dialog.
-	*			Type		-	The stype of button group. 
-	*							0-OK(default);
-	*							1-OK,Cancel;
-	*							2-Yes,NO; 
-	*							3-Yes, NO, Cancel.
-	*           nIcon		-   The Icon type. 
-	*							0-Error(default);
-	*							1-Warning;
-	*							2-Question;
-	*							3-Status.
-	* Return Value:
-	*			The return value could be the folowing type:
-	*							1-OK;
-	*							2-Cancel; 
-	*							3-NO;
-	*							4-Yes;
-	*/
-	int (*app_alert)(struct _IPDF_JsPlatform* pThis, FPDF_WIDESTRING Msg, FPDF_WIDESTRING Title, int Type, int Icon);
-	
-	/** 
-	* Method: app_beep
-	*			Causes the system to play a sound. 
-	* Interface Version:
-	*			1
-	* Implementation Required:
-	*			yes
-	* Parameters:
-	*			pThis		-	Pointer to the interface structure itself
-	*			nType		-	The sound type.
-	*							0 - Error
-	*							1 - Warning
-	*							2 - Question
-	*							3 - Status
-	*							4 - Default (default value)
-	* Return Value:
-	*			None
-	*/
-	void (*app_beep)(struct _IPDF_JsPlatform* pThis,  int nType);
-
-	/** 
-	* Method: app_response
-	*			Displays a dialog box containing a question and an entry field for the user to reply to the question.
-	* Interface Version:
-	*			1
-	* Implementation Required:
-	*			yes
-	* Parameters:
-	*			pThis		-	Pointer to the interface structure itself
-	*			Question	-	The question to be posed to the user.
-	*			Title		-	The title of the dialog box.
-	*			Default		-	A default value for the answer to the question. If not specified, no default value is presented.
-	*			cLabel		-	A short string to appear in front of and on the same line as the edit text field.
-	*			bPassword	-	If true, indicates that the user's response should show as asterisks (*) or bullets (?) to mask the response, which might be sensitive information. The default is false.
-	*			response	-	A string buffer allocated by SDK, to receive the user's response.
-	*			length		-   The length of the buffer, number of bytes. Currently, It's always be 2048.
-	* Return Value:
-	*		Number of bytes the complete user input would actually require, not including trailing zeros, regardless of the value of the length
-	*		parameter or the presence of the response buffer.
-	* Comments:
-	*		No matter on what platform, the response buffer should be always written using UTF-16LE encoding. If a response buffer is
-	*		present and the size of the user input exceeds the capacity of the buffer as specified by the length parameter, only the
-	*		first "length" bytes of the user input are to be written to the buffer.
-	*/
-	int (*app_response)(struct _IPDF_JsPlatform* pThis, FPDF_WIDESTRING Question, FPDF_WIDESTRING Title, FPDF_WIDESTRING Default, FPDF_WIDESTRING cLabel, FPDF_BOOL bPassword, void* response, int length);
-
-	/*
-	* Method: Doc_getFilePath
-	*			Get the file path of the current document. 
-	* Interface Version:
-	*			1
-	* Implementation Required:
-	*			yes
-	* Parameters:
-	*			pThis		-	Pointer to the interface structure itself
-	*			filePath	-	The string buffer to receive the file path. Can be NULL.
-	*			length		-   The length of the buffer, number of bytes. Can be 0.
-	* Return Value:
-	*		Number of bytes the filePath consumes, including trailing zeros.
-	* Comments:
-	*		The filePath should be always input in local encoding.
-	*
-	*		The return value always indicated number of bytes required for the buffer, even when there is
-	*		no buffer specified, or the buffer size is less then required. In this case, the buffer will not
-	*		be modified.
-	*/
-	int (*Doc_getFilePath)(struct _IPDF_JsPlatform* pThis, void* filePath, int length);
-	
-	
-	/*
-	* Method: Doc_mail
-	*			Mails the data buffer as an attachment to all recipients, with or without user interaction. 
-	* Interface Version:
-	*			1
-	* Implementation Required:
-	*			yes
-	* Parameters:
-	*			pThis		-	Pointer to the interface structure itself
-	*			mailData	-	Pointer to the data buffer to be sent.Can be NULL.
-	*			length		-	The size,in bytes, of the buffer pointed by mailData parameter.Can be 0.
-	*			bUI			-   If true, the rest of the parameters are used in a compose-new-message window that is displayed to the user. If false, the cTo parameter is required and all others are optional.
-	*			To			-	A semicolon-delimited list of recipients for the message.
-	*			Subject		-   The subject of the message. The length limit is 64 KB.
-	*			CC			-	A semicolon-delimited list of CC recipients for the message. 
-	*			BCC			-   A semicolon-delimited list of BCC recipients for the message. 
-	*			Msg			-   The content of the message. The length limit is 64 KB.
-	* Return Value:
-	*			None.
-	* Comments:
-	*			If the parameter mailData is NULL or length is 0, the current document will be mailed as an attachment to all recipients.
-	*/
-	void (*Doc_mail)(struct _IPDF_JsPlatform* pThis,void* mailData, int length,FPDF_BOOL bUI, FPDF_WIDESTRING To, FPDF_WIDESTRING Subject, FPDF_WIDESTRING CC, FPDF_WIDESTRING BCC, FPDF_WIDESTRING Msg); 
-	
-
-	/*
-	* Method: Doc_print
-	*			Prints all or a specific number of pages of the document.
-	* Interface Version:
-	*			1
-	* Implementation Required:
-	*			yes
-	* Parameters:
-	*			pThis		-	Pointer to the interface structure itself.
-	*			bUI			-	If true, will cause a UI to be presented to the user to obtain printing information and confirm the action.
-	*			nStart		-	A 0-based index that defines the start of an inclusive range of pages.
-	*			nEnd		-   A 0-based index that defines the end of an inclusive page range.
-	*			bSilent		-   If true, suppresses the cancel dialog box while the document is printing. The default is false.
-	*			bShrinkToFit	-	If true, the page is shrunk (if necessary) to fit within the imageable area of the printed page.
-	*			bPrintAsImage	-	If true, print pages as an image.
-	*			bReverse	-	If true, print from nEnd to nStart.
-	*			bAnnotations	-	If true (the default), annotations are printed.
-	*/
-	void (*Doc_print)(struct _IPDF_JsPlatform* pThis, FPDF_BOOL bUI, int nStart, int nEnd, FPDF_BOOL bSilent ,FPDF_BOOL bShrinkToFit,FPDF_BOOL bPrintAsImage ,FPDF_BOOL bReverse ,FPDF_BOOL bAnnotations);
-
-	/*
-	* Method: Doc_submitForm
-	*			Send the form data to a specified URL.
-	* Interface Version:
-	*			1
-	* Implementation Required:
-	*			yes
-	* Parameters:
-	*			pThis		-	Pointer to the interface structure itself
-	*			formData	-	Pointer to the data buffer to be sent.
-	*			length		-	The size,in bytes, of the buffer pointed by formData parameter.
-	*			URL			-	The URL to send to.
-	* Return Value:
-	*			None.
-	*
-	*/
-	void (*Doc_submitForm)(struct _IPDF_JsPlatform* pThis,void* formData, int length, FPDF_WIDESTRING URL);
-	
-	/*
-	* Method: Doc_gotoPage
-	*			Jump to a specified page.
-	* Interface Version:
-	*			1
-	* Implementation Required:
-	*			yes
-	* Parameters:
-	*			pThis		-	Pointer to the interface structure itself
-	*			nPageNum	-	The specified page number, zero for the first page.
-	* Return Value:
-	*			None.
-	*
-	*/
-	void (*Doc_gotoPage)(struct _IPDF_JsPlatform* pThis, int nPageNum);
-	/*
-	* Method: Field_browse
-	*			Show a file selection dialog, and return the selected file path.
-	* Interface Version:
-	*			1
-	* Implementation Required:
-	*			yes
-	* Parameters:
-	*			pThis		-	Pointer to the interface structure itself.
-	*			filePath	-	Pointer to the data buffer to receive the file path.Can be NULL.
-	*			length		-   The length of the buffer, number of bytes. Can be 0.
-	* Return Value:
-	*		Number of bytes the filePath consumes, including trailing zeros.
-	* Comments:
-	*		The filePath shoule be always input in local encoding.
-	*/
-	int  (*Field_browse)(struct _IPDF_JsPlatform* pThis,void* filePath, int length);
-
-	/**
-	*	pointer to FPDF_FORMFILLINFO interface.
-	**/
-	void*	m_pFormfillinfo;
+    **/
+    int version;
+
+    /**
+    * Method: app_alert
+    *           pop up a dialog to show warning or hint.
+    * Interface Version:
+    *           1
+    * Implementation Required:
+    *           yes
+    * Parameters:
+    *           pThis       -   Pointer to the interface structure itself
+    *           Msg         -   A string containing the message to be displayed.
+    *           Title       -   The title of the dialog.
+    *           Type        -   The stype of button group.
+    *                           0-OK(default);
+    *                           1-OK,Cancel;
+    *                           2-Yes,NO;
+    *                           3-Yes, NO, Cancel.
+    *           nIcon       -   The Icon type.
+    *                           0-Error(default);
+    *                           1-Warning;
+    *                           2-Question;
+    *                           3-Status.
+    * Return Value:
+    *           The return value could be the folowing type:
+    *                           1-OK;
+    *                           2-Cancel;
+    *                           3-NO;
+    *                           4-Yes;
+    */
+    int (*app_alert)(struct _IPDF_JsPlatform* pThis, FPDF_WIDESTRING Msg, FPDF_WIDESTRING Title, int Type, int Icon);
+
+    /**
+    * Method: app_beep
+    *           Causes the system to play a sound.
+    * Interface Version:
+    *           1
+    * Implementation Required:
+    *           yes
+    * Parameters:
+    *           pThis       -   Pointer to the interface structure itself
+    *           nType       -   The sound type.
+    *                           0 - Error
+    *                           1 - Warning
+    *                           2 - Question
+    *                           3 - Status
+    *                           4 - Default (default value)
+    * Return Value:
+    *           None
+    */
+    void (*app_beep)(struct _IPDF_JsPlatform* pThis,  int nType);
+
+    /**
+    * Method: app_response
+    *           Displays a dialog box containing a question and an entry field for the user to reply to the question.
+    * Interface Version:
+    *           1
+    * Implementation Required:
+    *           yes
+    * Parameters:
+    *           pThis       -   Pointer to the interface structure itself
+    *           Question    -   The question to be posed to the user.
+    *           Title       -   The title of the dialog box.
+    *           Default     -   A default value for the answer to the question. If not specified, no default value is presented.
+    *           cLabel      -   A short string to appear in front of and on the same line as the edit text field.
+    *           bPassword   -   If true, indicates that the user's response should show as asterisks (*) or bullets (?) to mask the response, which might be sensitive information. The default is false.
+    *           response    -   A string buffer allocated by SDK, to receive the user's response.
+    *           length      -   The length of the buffer, number of bytes. Currently, It's always be 2048.
+    * Return Value:
+    *       Number of bytes the complete user input would actually require, not including trailing zeros, regardless of the value of the length
+    *       parameter or the presence of the response buffer.
+    * Comments:
+    *       No matter on what platform, the response buffer should be always written using UTF-16LE encoding. If a response buffer is
+    *       present and the size of the user input exceeds the capacity of the buffer as specified by the length parameter, only the
+    *       first "length" bytes of the user input are to be written to the buffer.
+    */
+    int (*app_response)(struct _IPDF_JsPlatform* pThis, FPDF_WIDESTRING Question, FPDF_WIDESTRING Title, FPDF_WIDESTRING Default, FPDF_WIDESTRING cLabel, FPDF_BOOL bPassword, void* response, int length);
+
+    /*
+    * Method: Doc_getFilePath
+    *           Get the file path of the current document.
+    * Interface Version:
+    *           1
+    * Implementation Required:
+    *           yes
+    * Parameters:
+    *           pThis       -   Pointer to the interface structure itself
+    *           filePath    -   The string buffer to receive the file path. Can be NULL.
+    *           length      -   The length of the buffer, number of bytes. Can be 0.
+    * Return Value:
+    *       Number of bytes the filePath consumes, including trailing zeros.
+    * Comments:
+    *       The filePath should be always input in local encoding.
+    *
+    *       The return value always indicated number of bytes required for the buffer, even when there is
+    *       no buffer specified, or the buffer size is less then required. In this case, the buffer will not
+    *       be modified.
+    */
+    int (*Doc_getFilePath)(struct _IPDF_JsPlatform* pThis, void* filePath, int length);
+
+
+    /*
+    * Method: Doc_mail
+    *           Mails the data buffer as an attachment to all recipients, with or without user interaction.
+    * Interface Version:
+    *           1
+    * Implementation Required:
+    *           yes
+    * Parameters:
+    *           pThis       -   Pointer to the interface structure itself
+    *           mailData    -   Pointer to the data buffer to be sent.Can be NULL.
+    *           length      -   The size,in bytes, of the buffer pointed by mailData parameter.Can be 0.
+    *           bUI         -   If true, the rest of the parameters are used in a compose-new-message window that is displayed to the user. If false, the cTo parameter is required and all others are optional.
+    *           To          -   A semicolon-delimited list of recipients for the message.
+    *           Subject     -   The subject of the message. The length limit is 64 KB.
+    *           CC          -   A semicolon-delimited list of CC recipients for the message.
+    *           BCC         -   A semicolon-delimited list of BCC recipients for the message.
+    *           Msg         -   The content of the message. The length limit is 64 KB.
+    * Return Value:
+    *           None.
+    * Comments:
+    *           If the parameter mailData is NULL or length is 0, the current document will be mailed as an attachment to all recipients.
+    */
+    void (*Doc_mail)(struct _IPDF_JsPlatform* pThis,void* mailData, int length,FPDF_BOOL bUI, FPDF_WIDESTRING To, FPDF_WIDESTRING Subject, FPDF_WIDESTRING CC, FPDF_WIDESTRING BCC, FPDF_WIDESTRING Msg);
+
+
+    /*
+    * Method: Doc_print
+    *           Prints all or a specific number of pages of the document.
+    * Interface Version:
+    *           1
+    * Implementation Required:
+    *           yes
+    * Parameters:
+    *           pThis       -   Pointer to the interface structure itself.
+    *           bUI         -   If true, will cause a UI to be presented to the user to obtain printing information and confirm the action.
+    *           nStart      -   A 0-based index that defines the start of an inclusive range of pages.
+    *           nEnd        -   A 0-based index that defines the end of an inclusive page range.
+    *           bSilent     -   If true, suppresses the cancel dialog box while the document is printing. The default is false.
+    *           bShrinkToFit    -   If true, the page is shrunk (if necessary) to fit within the imageable area of the printed page.
+    *           bPrintAsImage   -   If true, print pages as an image.
+    *           bReverse    -   If true, print from nEnd to nStart.
+    *           bAnnotations    -   If true (the default), annotations are printed.
+    */
+    void (*Doc_print)(struct _IPDF_JsPlatform* pThis, FPDF_BOOL bUI, int nStart, int nEnd, FPDF_BOOL bSilent ,FPDF_BOOL bShrinkToFit,FPDF_BOOL bPrintAsImage ,FPDF_BOOL bReverse ,FPDF_BOOL bAnnotations);
+
+    /*
+    * Method: Doc_submitForm
+    *           Send the form data to a specified URL.
+    * Interface Version:
+    *           1
+    * Implementation Required:
+    *           yes
+    * Parameters:
+    *           pThis       -   Pointer to the interface structure itself
+    *           formData    -   Pointer to the data buffer to be sent.
+    *           length      -   The size,in bytes, of the buffer pointed by formData parameter.
+    *           URL         -   The URL to send to.
+    * Return Value:
+    *           None.
+    *
+    */
+    void (*Doc_submitForm)(struct _IPDF_JsPlatform* pThis,void* formData, int length, FPDF_WIDESTRING URL);
+
+    /*
+    * Method: Doc_gotoPage
+    *           Jump to a specified page.
+    * Interface Version:
+    *           1
+    * Implementation Required:
+    *           yes
+    * Parameters:
+    *           pThis       -   Pointer to the interface structure itself
+    *           nPageNum    -   The specified page number, zero for the first page.
+    * Return Value:
+    *           None.
+    *
+    */
+    void (*Doc_gotoPage)(struct _IPDF_JsPlatform* pThis, int nPageNum);
+    /*
+    * Method: Field_browse
+    *           Show a file selection dialog, and return the selected file path.
+    * Interface Version:
+    *           1
+    * Implementation Required:
+    *           yes
+    * Parameters:
+    *           pThis       -   Pointer to the interface structure itself.
+    *           filePath    -   Pointer to the data buffer to receive the file path.Can be NULL.
+    *           length      -   The length of the buffer, number of bytes. Can be 0.
+    * Return Value:
+    *       Number of bytes the filePath consumes, including trailing zeros.
+    * Comments:
+    *       The filePath shoule be always input in local encoding.
+    */
+    int  (*Field_browse)(struct _IPDF_JsPlatform* pThis,void* filePath, int length);
+
+    /**
+    *   pointer to FPDF_FORMFILLINFO interface.
+    **/
+    void*   m_pFormfillinfo;
 } IPDF_JSPLATFORM;
 
 // Flags for Cursor type
-#define FXCT_ARROW	0
-#define FXCT_NESW	1		
-#define FXCT_NWSE	2		
-#define FXCT_VBEAM	3		
-#define FXCT_HBEAM	4	
-#define FXCT_HAND	5
+#define FXCT_ARROW  0
+#define FXCT_NESW   1
+#define FXCT_NWSE   2
+#define FXCT_VBEAM  3
+#define FXCT_HBEAM  4
+#define FXCT_HAND   5
 
 /**
  * Declares of a pointer type to the callback function for the FFI_SetTimer method.
  * Parameters:
- *			idEvent		-	Identifier of the timer. 
+ *          idEvent     -   Identifier of the timer.
  * Return value:
- *			None. 
- **/	
-typedef void	(*TimerCallback)(int idEvent);
+ *          None.
+ **/
+typedef void    (*TimerCallback)(int idEvent);
 
 /**
  * Declares of a struct type to the local system time.
 **/
-typedef struct _FPDF_SYSTEMTIME 
+typedef struct _FPDF_SYSTEMTIME
 {
-    unsigned short wYear;			/* years since 1900 */
-    unsigned short wMonth;			/* months since January - [0,11] */
-    unsigned short wDayOfWeek;		/* days since Sunday - [0,6] */
-    unsigned short wDay;			/* day of the month - [1,31] */
-    unsigned short wHour;			/* hours since midnight - [0,23] */
-    unsigned short wMinute;			/* minutes after the hour - [0,59] */
-    unsigned short wSecond;			/* seconds after the minute - [0,59] */
-    unsigned short wMilliseconds;	/* milliseconds after the second - [0,999] */
+    unsigned short wYear;           /* years since 1900 */
+    unsigned short wMonth;          /* months since January - [0,11] */
+    unsigned short wDayOfWeek;      /* days since Sunday - [0,6] */
+    unsigned short wDay;            /* day of the month - [1,31] */
+    unsigned short wHour;           /* hours since midnight - [0,23] */
+    unsigned short wMinute;         /* minutes after the hour - [0,59] */
+    unsigned short wSecond;         /* seconds after the minute - [0,59] */
+    unsigned short wMilliseconds;   /* milliseconds after the second - [0,999] */
 }FPDF_SYSTEMTIME;
 
 
 typedef struct  _FPDF_FORMFILLINFO
 {
-	/**
-	 * Version number of the interface. Currently must be 1.
-	 **/
-	int	version;
-
-		/** 
-	 * Method: Release
-	 *			Give implementation a chance to release any data after the interface is no longer used
-	 * Interface Version:
-	 *			1
-	 * Implementation Required:
-	 *			No
-	 * Comments:
-	 *			Called by Foxit SDK during the final cleanup process.
-	 * Parameters:
-	 *			pThis		-	Pointer to the interface structure itself
-	 * Return Value:
-	 *			None
-	 */
-
-	void (*Release)(struct _FPDF_FORMFILLINFO* pThis);
-
-	/** 
-	 * Method: FFI_Invalidate
-	 *			Invalidate the client area within the specified rectangle.
-	 * Interface Version:
-	 *			1
-	 * Implementation Required:
-		*			yes
-	 * Parameters:
-	 *			pThis		-	Pointer to the interface structure itself.
-	 *			page		-	Handle to the page. Returned by FPDF_LoadPage function.
-	 *			left		-	Left position of the client area in PDF page coordinate.
-	 *			top			-	Top  position of the client area in PDF page coordinate.
-	 *			right		-	Right position of the client area in PDF page  coordinate.
-	 *			bottom		-	Bottom position of the client area in PDF page coordinate.
-	 * Return Value:
-	 *			None.
-	 *
-	 *comments:
-	 *			All positions are measured in PDF "user space".
-	 *			Implementation should call FPDF_RenderPageBitmap() function for repainting a specified page area.
-	*/
-	void (*FFI_Invalidate)(struct _FPDF_FORMFILLINFO* pThis,FPDF_PAGE page, double left, double top, double right, double bottom);
-	
-	/** 
-	 * Method: FFI_OutputSelectedRect
-	 *			When user is taking the mouse to select texts on a form field, this callback function will keep 
-	 *			returning the selected areas to the implementation.
-	 *
-	 * Interface Version:
-	 *			1
-	 * Implementation Required:
-	 *			No
-	 * Parameters:
-	 *			pThis		-	Pointer to the interface structure itself.
-	 *			page		-	Handle to the page. Returned by FPDF_LoadPage function.
-	 *			left		-	Left position of the client area in PDF page coordinate.
-	 *			top			-	Top  position of the client area in PDF page coordinate.
-	 *			right		-	Right position of the client area in PDF page  coordinate.
-	 *			bottom		-	Bottom position of the client area in PDF page coordinate.
-	 * Return Value:
-	 *			None.
-	 *
-	 * comments:
-	 *			This CALLBACK function is useful for implementing special text selection effect. Implementation should
-	 *			first records the returned rectangles, then draw them one by one at the painting period, last,remove all 
-	 *			the recorded rectangles when finish painting.
-	*/
-	void (*FFI_OutputSelectedRect)(struct _FPDF_FORMFILLINFO* pThis,FPDF_PAGE page, double left, double top, double right, double bottom);
-
-	/** 
-	* Method: FFI_SetCursor
-	*			Set the Cursor shape.
-	* Interface Version:
-	*			1
-	* Implementation Required:
-	*			yes
-	* Parameters:
-	*		pThis		-	Pointer to the interface structure itself.
-	* 		nCursorType	-	Cursor type. see Flags for Cursor type for the details.
-	* 	Return value:
-	* 		None.
-	* */
-	void (*FFI_SetCursor)(struct _FPDF_FORMFILLINFO* pThis, int nCursorType);
-
-	/** 
-	* Method: FFI_SetTimer
-	*			This method installs a system timer. A time-out value is specified, 
-	*			and every time a time-out occurs, the system passes a message to
-	*			the TimerProc callback function. 
-	* Interface Version:
-	*			1
-	* Implementation Required:
-	*			yes
-	* Parameters:
-	*		pThis		-	Pointer to the interface structure itself.
-	* 		uElapse		-	Specifies the time-out value, in milliseconds.
-	* 		lpTimerFunc	-	A pointer to the callback function-TimerCallback.
-	* 	Return value:
-	* 		The timer identifier of the new timer if the function is successful.
-	*		An application passes this value to the FFI_KillTimer method to kill 
-	*		the timer. Nonzero if it is successful; otherwise, it is zero.
-	* */
-	int  (*FFI_SetTimer)(struct _FPDF_FORMFILLINFO* pThis, int uElapse, TimerCallback lpTimerFunc);
-
-	/** 
-	* Method: FFI_KillTimer
-	*			This method kills the timer event identified by nIDEvent, set by an earlier call to FFI_SetTimer. 
-	* Interface Version:
-	*			1
-	* Implementation Required:
-	*			yes
-	* Parameters:
-	*		pThis		-	Pointer to the interface structure itself.
-	* 		nTimerID	-	The timer ID return by FFI_SetTimer function.
-	* 	Return value:
-	* 		None.
-	* */
-	void (*FFI_KillTimer)(struct _FPDF_FORMFILLINFO* pThis, int nTimerID);
-
-
-	/** 
-	* Method: FFI_GetLocalTime
-	*			This method receives the current local time on the system. 
-	* Interface Version:
-	*			1
-	* Implementation Required:
-	*			yes
-	* Parameters:
-	*		pThis		-	Pointer to the interface structure itself.
-	* 	Return value:
-	* 		None.
-	* */
-	FPDF_SYSTEMTIME (*FFI_GetLocalTime)(struct _FPDF_FORMFILLINFO* pThis);
-
-	/** 
-	* Method: FFI_OnChange
-	*			This method will be invoked to notify implementation when the value of any FormField on the document had been changed.
-	* Interface Version:
-	*			1
-	* Implementation Required:
-	*			no
-	* Parameters:
-	*		pThis		-	Pointer to the interface structure itself.
-	* 	Return value:
-	* 		None.
-	* */
-	void (*FFI_OnChange)(struct _FPDF_FORMFILLINFO* pThis);
-
-	/** 
-	* Method: FFI_GetPage
-	*			This method receives the page pointer associated with a specified page index.
-	* Interface Version:
-	*			1
-	* Implementation Required:
-	*			yes
-	* Parameters:
-	*		pThis		-	Pointer to the interface structure itself.
-	*		document	-	Handle to document. Returned by FPDF_LoadDocument function.
-	*		nPageIndex  -	Index number of the page. 0 for the first page.
-	* Return value:
-	* 		Handle to the page. Returned by FPDF_LoadPage function.
-	* Comments:
-	*		In some cases, the document-level JavaScript action may refer to a page which hadn't been loaded yet.
-	*		To successfully run the javascript action, implementation need to load the page for SDK.
-	* */
-	FPDF_PAGE	(*FFI_GetPage)(struct _FPDF_FORMFILLINFO* pThis, FPDF_DOCUMENT document, int nPageIndex);
-
-	/** 
-	* Method: FFI_GetCurrentPage
-	*		This method receives the current page pointer.
-	* Interface Version:
-	*			1
-	* Implementation Required:
-	*			yes
-	* Parameters:
-	*		pThis		-	Pointer to the interface structure itself.
-	*		document	-	Handle to document. Returned by FPDF_LoadDocument function.
-	* Return value:
-	* 		Handle to the page. Returned by FPDF_LoadPage function.
-	* */
-	FPDF_PAGE	(*FFI_GetCurrentPage)(struct _FPDF_FORMFILLINFO* pThis, FPDF_DOCUMENT document);
-
-	/** 
-	* Method: FFI_GetRotation
-	*			This method receives currently rotation of the page view.
-	* Interface Version:
-	*			1
-	* Implementation Required:
-	*			yes
-	* Parameters:
-	*		pThis		-	Pointer to the interface structure itself.
-	*		page		-	Handle to page. Returned by FPDF_LoadPage function.
-	* Return value:
-	* 		The page rotation. Should be 0(0 degree),1(90 degree),2(180 degree),3(270 degree), in a clockwise direction.
-	* */
-	int 	(*FFI_GetRotation)(struct _FPDF_FORMFILLINFO* pThis, FPDF_PAGE page);
-
-	/** 
-	* Method: FFI_ExecuteNamedAction
-	*			This method will execute an named action.
-	* Interface Version:
-	*			1
-	* Implementation Required:
-	*			yes
-	* Parameters:
-	*		pThis			-	Pointer to the interface structure itself.
-	*		namedAction		-	A byte string which indicates the named action, terminated by 0.
-	* Return value:
-	* 		None.
-	* Comments:
-	*		See the named actions description of <<PDF Reference, version 1.7>> for more details.  
-	* */
-	void 	(*FFI_ExecuteNamedAction)(struct _FPDF_FORMFILLINFO* pThis, FPDF_BYTESTRING namedAction);
-	/** 
-	* @brief This method will be called when a text field is getting or losing a focus.
-	*
-	* @param[in] pThis		Pointer to the interface structure itself.
-	* @param[in] value		The string value of the form field, in UTF-16LE format.
-	* @param[in] valueLen	The length of the string value, number of characters (not bytes).
-	* @param[in] is_focus	True if the form field is getting a focus, False for losing a focus.
-	*
-	* @return None.
-	*
-	* @note Currently,only support text field and combobox field.
-	* */
-	void	(*FFI_SetTextFieldFocus)(struct _FPDF_FORMFILLINFO* pThis, FPDF_WIDESTRING value, FPDF_DWORD valueLen, FPDF_BOOL is_focus);
-
-	
-	/** 
-	* Method: FFI_DoURIAction
-	*			This action resolves to a uniform resource identifier. 
-	* Interface Version:
-	*			1
-	* Implementation Required:
-	*			No
-	* Parameters:
-	*		pThis			-	Pointer to the interface structure itself.
-	*		bsURI			-	A byte string which indicates the uniform resource identifier, terminated by 0.
-	* Return value:
-	* 		None.
-	* Comments:
-	*		See the URI actions description of <<PDF Reference, version 1.7>> for more details.  
-	* */
-	void	(*FFI_DoURIAction)(struct _FPDF_FORMFILLINFO* pThis, FPDF_BYTESTRING bsURI);
-	
-	/** 
-	* Method: FFI_DoGoToAction
-	*			This action changes the view to a specified destination.
-	* Interface Version:
-	*			1
-	* Implementation Required:
-	*			No
-	* Parameters:
-	*		pThis			-	Pointer to the interface structure itself.
-	*		nPageIndex		-	The index of the PDF page.
-	*		zoomMode		-	The zoom mode for viewing page.See Macros "PDFZOOM_XXX" defined in "fpdfdoc.h". 
-	*		fPosArray		-	The float array which carries the position info.
-	*		sizeofArray		-	The size of float array.
-	* Return value:
-	* 		None.
-	* Comments:
-	*		See the Destinations description of <<PDF Reference, version 1.7>> in 8.2.1 for more details.  
-	**/
-	void	(*FFI_DoGoToAction)(struct _FPDF_FORMFILLINFO* pThis, int nPageIndex, int zoomMode, float* fPosArray, int sizeofArray);
-	/**
-	*	pointer to IPDF_JSPLATFORM interface
-	**/
-	IPDF_JSPLATFORM*	m_pJsPlatform;
+    /**
+     * Version number of the interface. Currently must be 1.
+     **/
+    int version;
+
+        /**
+     * Method: Release
+     *          Give implementation a chance to release any data after the interface is no longer used
+     * Interface Version:
+     *          1
+     * Implementation Required:
+     *          No
+     * Comments:
+     *          Called by Foxit SDK during the final cleanup process.
+     * Parameters:
+     *          pThis       -   Pointer to the interface structure itself
+     * Return Value:
+     *          None
+     */
+
+    void (*Release)(struct _FPDF_FORMFILLINFO* pThis);
+
+    /**
+     * Method: FFI_Invalidate
+     *          Invalidate the client area within the specified rectangle.
+     * Interface Version:
+     *          1
+     * Implementation Required:
+        *           yes
+     * Parameters:
+     *          pThis       -   Pointer to the interface structure itself.
+     *          page        -   Handle to the page. Returned by FPDF_LoadPage function.
+     *          left        -   Left position of the client area in PDF page coordinate.
+     *          top         -   Top  position of the client area in PDF page coordinate.
+     *          right       -   Right position of the client area in PDF page  coordinate.
+     *          bottom      -   Bottom position of the client area in PDF page coordinate.
+     * Return Value:
+     *          None.
+     *
+     *comments:
+     *          All positions are measured in PDF "user space".
+     *          Implementation should call FPDF_RenderPageBitmap() function for repainting a specified page area.
+    */
+    void (*FFI_Invalidate)(struct _FPDF_FORMFILLINFO* pThis,FPDF_PAGE page, double left, double top, double right, double bottom);
+
+    /**
+     * Method: FFI_OutputSelectedRect
+     *          When user is taking the mouse to select texts on a form field, this callback function will keep
+     *          returning the selected areas to the implementation.
+     *
+     * Interface Version:
+     *          1
+     * Implementation Required:
+     *          No
+     * Parameters:
+     *          pThis       -   Pointer to the interface structure itself.
+     *          page        -   Handle to the page. Returned by FPDF_LoadPage function.
+     *          left        -   Left position of the client area in PDF page coordinate.
+     *          top         -   Top  position of the client area in PDF page coordinate.
+     *          right       -   Right position of the client area in PDF page  coordinate.
+     *          bottom      -   Bottom position of the client area in PDF page coordinate.
+     * Return Value:
+     *          None.
+     *
+     * comments:
+     *          This CALLBACK function is useful for implementing special text selection effect. Implementation should
+     *          first records the returned rectangles, then draw them one by one at the painting period, last,remove all
+     *          the recorded rectangles when finish painting.
+    */
+    void (*FFI_OutputSelectedRect)(struct _FPDF_FORMFILLINFO* pThis,FPDF_PAGE page, double left, double top, double right, double bottom);
+
+    /**
+    * Method: FFI_SetCursor
+    *           Set the Cursor shape.
+    * Interface Version:
+    *           1
+    * Implementation Required:
+    *           yes
+    * Parameters:
+    *       pThis       -   Pointer to the interface structure itself.
+    *       nCursorType -   Cursor type. see Flags for Cursor type for the details.
+    *   Return value:
+    *       None.
+    * */
+    void (*FFI_SetCursor)(struct _FPDF_FORMFILLINFO* pThis, int nCursorType);
+
+    /**
+    * Method: FFI_SetTimer
+    *           This method installs a system timer. A time-out value is specified,
+    *           and every time a time-out occurs, the system passes a message to
+    *           the TimerProc callback function.
+    * Interface Version:
+    *           1
+    * Implementation Required:
+    *           yes
+    * Parameters:
+    *       pThis       -   Pointer to the interface structure itself.
+    *       uElapse     -   Specifies the time-out value, in milliseconds.
+    *       lpTimerFunc -   A pointer to the callback function-TimerCallback.
+    *   Return value:
+    *       The timer identifier of the new timer if the function is successful.
+    *       An application passes this value to the FFI_KillTimer method to kill
+    *       the timer. Nonzero if it is successful; otherwise, it is zero.
+    * */
+    int  (*FFI_SetTimer)(struct _FPDF_FORMFILLINFO* pThis, int uElapse, TimerCallback lpTimerFunc);
+
+    /**
+    * Method: FFI_KillTimer
+    *           This method kills the timer event identified by nIDEvent, set by an earlier call to FFI_SetTimer.
+    * Interface Version:
+    *           1
+    * Implementation Required:
+    *           yes
+    * Parameters:
+    *       pThis       -   Pointer to the interface structure itself.
+    *       nTimerID    -   The timer ID return by FFI_SetTimer function.
+    *   Return value:
+    *       None.
+    * */
+    void (*FFI_KillTimer)(struct _FPDF_FORMFILLINFO* pThis, int nTimerID);
+
+
+    /**
+    * Method: FFI_GetLocalTime
+    *           This method receives the current local time on the system.
+    * Interface Version:
+    *           1
+    * Implementation Required:
+    *           yes
+    * Parameters:
+    *       pThis       -   Pointer to the interface structure itself.
+    *   Return value:
+    *       None.
+    * */
+    FPDF_SYSTEMTIME (*FFI_GetLocalTime)(struct _FPDF_FORMFILLINFO* pThis);
+
+    /**
+    * Method: FFI_OnChange
+    *           This method will be invoked to notify implementation when the value of any FormField on the document had been changed.
+    * Interface Version:
+    *           1
+    * Implementation Required:
+    *           no
+    * Parameters:
+    *       pThis       -   Pointer to the interface structure itself.
+    *   Return value:
+    *       None.
+    * */
+    void (*FFI_OnChange)(struct _FPDF_FORMFILLINFO* pThis);
+
+    /**
+    * Method: FFI_GetPage
+    *           This method receives the page pointer associated with a specified page index.
+    * Interface Version:
+    *           1
+    * Implementation Required:
+    *           yes
+    * Parameters:
+    *       pThis       -   Pointer to the interface structure itself.
+    *       document    -   Handle to document. Returned by FPDF_LoadDocument function.
+    *       nPageIndex  -   Index number of the page. 0 for the first page.
+    * Return value:
+    *       Handle to the page. Returned by FPDF_LoadPage function.
+    * Comments:
+    *       In some cases, the document-level JavaScript action may refer to a page which hadn't been loaded yet.
+    *       To successfully run the javascript action, implementation need to load the page for SDK.
+    * */
+    FPDF_PAGE   (*FFI_GetPage)(struct _FPDF_FORMFILLINFO* pThis, FPDF_DOCUMENT document, int nPageIndex);
+
+    /**
+    * Method: FFI_GetCurrentPage
+    *       This method receives the current page pointer.
+    * Interface Version:
+    *           1
+    * Implementation Required:
+    *           yes
+    * Parameters:
+    *       pThis       -   Pointer to the interface structure itself.
+    *       document    -   Handle to document. Returned by FPDF_LoadDocument function.
+    * Return value:
+    *       Handle to the page. Returned by FPDF_LoadPage function.
+    * */
+    FPDF_PAGE   (*FFI_GetCurrentPage)(struct _FPDF_FORMFILLINFO* pThis, FPDF_DOCUMENT document);
+
+    /**
+    * Method: FFI_GetRotation
+    *           This method receives currently rotation of the page view.
+    * Interface Version:
+    *           1
+    * Implementation Required:
+    *           yes
+    * Parameters:
+    *       pThis       -   Pointer to the interface structure itself.
+    *       page        -   Handle to page. Returned by FPDF_LoadPage function.
+    * Return value:
+    *       The page rotation. Should be 0(0 degree),1(90 degree),2(180 degree),3(270 degree), in a clockwise direction.
+    * */
+    int     (*FFI_GetRotation)(struct _FPDF_FORMFILLINFO* pThis, FPDF_PAGE page);
+
+    /**
+    * Method: FFI_ExecuteNamedAction
+    *           This method will execute an named action.
+    * Interface Version:
+    *           1
+    * Implementation Required:
+    *           yes
+    * Parameters:
+    *       pThis           -   Pointer to the interface structure itself.
+    *       namedAction     -   A byte string which indicates the named action, terminated by 0.
+    * Return value:
+    *       None.
+    * Comments:
+    *       See the named actions description of <<PDF Reference, version 1.7>> for more details.
+    * */
+    void    (*FFI_ExecuteNamedAction)(struct _FPDF_FORMFILLINFO* pThis, FPDF_BYTESTRING namedAction);
+    /**
+    * @brief This method will be called when a text field is getting or losing a focus.
+    *
+    * @param[in] pThis      Pointer to the interface structure itself.
+    * @param[in] value      The string value of the form field, in UTF-16LE format.
+    * @param[in] valueLen   The length of the string value, number of characters (not bytes).
+    * @param[in] is_focus   True if the form field is getting a focus, False for losing a focus.
+    *
+    * @return None.
+    *
+    * @note Currently,only support text field and combobox field.
+    * */
+    void    (*FFI_SetTextFieldFocus)(struct _FPDF_FORMFILLINFO* pThis, FPDF_WIDESTRING value, FPDF_DWORD valueLen, FPDF_BOOL is_focus);
+
+
+    /**
+    * Method: FFI_DoURIAction
+    *           This action resolves to a uniform resource identifier.
+    * Interface Version:
+    *           1
+    * Implementation Required:
+    *           No
+    * Parameters:
+    *       pThis           -   Pointer to the interface structure itself.
+    *       bsURI           -   A byte string which indicates the uniform resource identifier, terminated by 0.
+    * Return value:
+    *       None.
+    * Comments:
+    *       See the URI actions description of <<PDF Reference, version 1.7>> for more details.
+    * */
+    void    (*FFI_DoURIAction)(struct _FPDF_FORMFILLINFO* pThis, FPDF_BYTESTRING bsURI);
+
+    /**
+    * Method: FFI_DoGoToAction
+    *           This action changes the view to a specified destination.
+    * Interface Version:
+    *           1
+    * Implementation Required:
+    *           No
+    * Parameters:
+    *       pThis           -   Pointer to the interface structure itself.
+    *       nPageIndex      -   The index of the PDF page.
+    *       zoomMode        -   The zoom mode for viewing page.See Macros "PDFZOOM_XXX" defined in "fpdfdoc.h".
+    *       fPosArray       -   The float array which carries the position info.
+    *       sizeofArray     -   The size of float array.
+    * Return value:
+    *       None.
+    * Comments:
+    *       See the Destinations description of <<PDF Reference, version 1.7>> in 8.2.1 for more details.
+    **/
+    void    (*FFI_DoGoToAction)(struct _FPDF_FORMFILLINFO* pThis, int nPageIndex, int zoomMode, float* fPosArray, int sizeofArray);
+    /**
+    *   pointer to IPDF_JSPLATFORM interface
+    **/
+    IPDF_JSPLATFORM*    m_pJsPlatform;
 
 } FPDF_FORMFILLINFO;
 
@@ -536,302 +536,300 @@ typedef struct  _FPDF_FORMFILLINFO
 
 /**
  * Function: FPDFDOC_InitFormFillEnvironment
- *			Init form fill environment. 
+ *          Init form fill environment.
  * Comments:
- *			This function should be called before any form fill operation.
+ *          This function should be called before any form fill operation.
  * Parameters:
- *			document		-	Handle to document. Returned by FPDF_LoadDocument function.
- *			pFormFillInfo	-	Pointer to a FPDF_FORMFILLINFO structure.
+ *          document        -   Handle to document. Returned by FPDF_LoadDocument function.
+ *          pFormFillInfo   -   Pointer to a FPDF_FORMFILLINFO structure.
  * Return Value:
- *			Return handler to the form fill module. NULL means fails. 
+ *          Return handler to the form fill module. NULL means fails.
  **/
 DLLEXPORT FPDF_FORMHANDLE STDCALL FPDFDOC_InitFormFillEnvironment(FPDF_DOCUMENT document, FPDF_FORMFILLINFO* formInfo);
 
 /**
  * Function: FPDFDOC_ExitFormFillEnvironment
- *			Exit form fill environment. 
+ *          Exit form fill environment.
  * Parameters:
- *			hHandle		-	Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
+ *          hHandle     -   Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
  * Return Value:
- *			NULL.
+ *          NULL.
  **/
 DLLEXPORT void STDCALL FPDFDOC_ExitFormFillEnvironment(FPDF_FORMHANDLE hHandle);
 
 /**
  * Function: FORM_OnAfterLoadPage
- *			This method is required for implementing all the form related functions. Should be invoked after user 
- *			successfully loaded a PDF page, and method FPDFDOC_InitFormFillEnvironment had been invoked.
+ *          This method is required for implementing all the form related functions. Should be invoked after user
+ *          successfully loaded a PDF page, and method FPDFDOC_InitFormFillEnvironment had been invoked.
  * Parameters:
- *			hHandle		-	Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
+ *          hHandle     -   Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
  * Return Value:
- *			NONE.
+ *          NONE.
  **/
 DLLEXPORT void STDCALL FORM_OnAfterLoadPage(FPDF_PAGE page, FPDF_FORMHANDLE hHandle);
 
 /**
  * Function: FORM_OnBeforeClosePage
- *			This method is required for implementing all the form related functions. Should be invoked before user 
- *			close the PDF page.
+ *          This method is required for implementing all the form related functions. Should be invoked before user
+ *          close the PDF page.
  * Parameters:
- *			page		-	Handle to the page. Returned by FPDF_LoadPage function.
- *			hHandle		-	Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
+ *          page        -   Handle to the page. Returned by FPDF_LoadPage function.
+ *          hHandle     -   Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
  * Return Value:
- *			NONE.
+ *          NONE.
  **/
 DLLEXPORT void STDCALL FORM_OnBeforeClosePage(FPDF_PAGE page, FPDF_FORMHANDLE hHandle);
 
 /**
 * Function: FORM_DoDocumentJSAction
-*			This method is required for performing Document-level JavaScript action. It should be invoked after the PDF document
-*			had been loaded.
+*           This method is required for performing Document-level JavaScript action. It should be invoked after the PDF document
+*           had been loaded.
 * Parameters:
-*			hHandle		-	Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
+*           hHandle     -   Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
 * Return Value:
-*			NONE
+*           NONE
 * Comments:
-*			If there is Document-level JavaScript action embedded in the document, this method will execute the javascript action;
-*			otherwise, the method will do nothing.
+*           If there is Document-level JavaScript action embedded in the document, this method will execute the javascript action;
+*           otherwise, the method will do nothing.
 **/
 DLLEXPORT void STDCALL FORM_DoDocumentJSAction(FPDF_FORMHANDLE hHandle);
 
 
 /**
 * Function: FORM_DoDocumentOpenAction
-*			This method is required for performing open-action when the document is opened.
+*           This method is required for performing open-action when the document is opened.
 * Parameters:
-*			hHandle		-	Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
+*           hHandle     -   Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
 * Return Value:
-*			NONE
+*           NONE
 * Comments:
-*			This method will do nothing if there is no open-actions embedded in the document. 
+*           This method will do nothing if there is no open-actions embedded in the document.
 **/
 DLLEXPORT void STDCALL FORM_DoDocumentOpenAction(FPDF_FORMHANDLE hHandle);
 
 
 // additional actions type of document.
-#define FPDFDOC_AACTION_WC		0x10		//WC, before closing document, JavaScript action.
-#define FPDFDOC_AACTION_WS		0x11		//WS, before saving document, JavaScript action.
-#define FPDFDOC_AACTION_DS		0x12		//DS, after saving document, JavaScript action.
-#define FPDFDOC_AACTION_WP		0x13		//WP, before printing document, JavaScript action.
-#define FPDFDOC_AACTION_DP		0x14		//DP, after printing document, JavaScript action. 
+#define FPDFDOC_AACTION_WC      0x10        //WC, before closing document, JavaScript action.
+#define FPDFDOC_AACTION_WS      0x11        //WS, before saving document, JavaScript action.
+#define FPDFDOC_AACTION_DS      0x12        //DS, after saving document, JavaScript action.
+#define FPDFDOC_AACTION_WP      0x13        //WP, before printing document, JavaScript action.
+#define FPDFDOC_AACTION_DP      0x14        //DP, after printing document, JavaScript action.
 /**
 * Function: FORM_DoDocumentAAction
-*			This method is required for performing the document's additional-action.
+*           This method is required for performing the document's additional-action.
 * Parameters:
-*			hHandle		-	Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
-*			aaType	    -   The type of the additional-actions which defined above.
+*           hHandle     -   Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
+*           aaType      -   The type of the additional-actions which defined above.
 * Return Value:
-*			NONE
+*           NONE
 * Comments:
-*			This method will do nothing if there is no document additional-action corresponding to the specified aaType.
+*           This method will do nothing if there is no document additional-action corresponding to the specified aaType.
 **/
 
 DLLEXPORT void STDCALL FORM_DoDocumentAAction(FPDF_FORMHANDLE hHandle, int aaType);
 
 // Additional-action types of page object
-#define FPDFPAGE_AACTION_OPEN		0		// /O -- An action to be performed when the page is opened
-#define FPDFPAGE_AACTION_CLOSE		1		// /C -- An action to be performed when the page is closed
+#define FPDFPAGE_AACTION_OPEN       0       // /O -- An action to be performed when the page is opened
+#define FPDFPAGE_AACTION_CLOSE      1       // /C -- An action to be performed when the page is closed
 
 /**
 * Function: FORM_DoPageAAction
-*			This method is required for performing the page object's additional-action when opened or closed.
+*           This method is required for performing the page object's additional-action when opened or closed.
 * Parameters:
-*			page		-	Handle to the page. Returned by FPDF_LoadPage function.
-*			hHandle		-	Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
-*			aaType	    -   The type of the page object's additional-actions which defined above.
+*           page        -   Handle to the page. Returned by FPDF_LoadPage function.
+*           hHandle     -   Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
+*           aaType      -   The type of the page object's additional-actions which defined above.
 * Return Value:
-*			NONE
+*           NONE
 * Comments:
-*			This method will do nothing if no additional-action corresponding to the specified aaType exists.
+*           This method will do nothing if no additional-action corresponding to the specified aaType exists.
 **/
 DLLEXPORT void STDCALL FORM_DoPageAAction(FPDF_PAGE page, FPDF_FORMHANDLE hHandle, int aaType);
 
 /**
  * Function: FORM_OnMouseMove
- *			You can call this member function when the mouse cursor moves. 
+ *          You can call this member function when the mouse cursor moves.
  * Parameters:
- *			hHandle		-	Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
- *			page		-	Handle to the page. Returned by FPDF_LoadPage function.
- *			modifier		-	Indicates whether various virtual keys are down. 
- *			page_x		-	Specifies the x-coordinate of the cursor in PDF user space. 
- *			page_y		-	Specifies the y-coordinate of the cursor in PDF user space.
+ *          hHandle     -   Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
+ *          page        -   Handle to the page. Returned by FPDF_LoadPage function.
+ *          modifier        -   Indicates whether various virtual keys are down.
+ *          page_x      -   Specifies the x-coordinate of the cursor in PDF user space.
+ *          page_y      -   Specifies the y-coordinate of the cursor in PDF user space.
  * Return Value:
- *			TRUE indicates success; otherwise false.
+ *          TRUE indicates success; otherwise false.
  **/
 DLLEXPORT FPDF_BOOL STDCALL FORM_OnMouseMove(FPDF_FORMHANDLE hHandle,FPDF_PAGE page, int modifier, double page_x, double page_y);
 
 /**
  * Function: FORM_OnLButtonDown
- *			You can call this member function when the user presses the left mouse button.
+ *          You can call this member function when the user presses the left mouse button.
  * Parameters:
- *			hHandle		-	Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
- *			page		-	Handle to the page. Returned by FPDF_LoadPage function.
- *			modifier		-	Indicates whether various virtual keys are down. 
- *			page_x		-	Specifies the x-coordinate of the cursor in PDF user space. 
- *			page_y		-	Specifies the y-coordinate of the cursor in PDF user space.
+ *          hHandle     -   Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
+ *          page        -   Handle to the page. Returned by FPDF_LoadPage function.
+ *          modifier        -   Indicates whether various virtual keys are down.
+ *          page_x      -   Specifies the x-coordinate of the cursor in PDF user space.
+ *          page_y      -   Specifies the y-coordinate of the cursor in PDF user space.
  * Return Value:
- *			TRUE indicates success; otherwise false.
+ *          TRUE indicates success; otherwise false.
  **/
 DLLEXPORT FPDF_BOOL STDCALL FORM_OnLButtonDown(FPDF_FORMHANDLE hHandle,FPDF_PAGE page, int modifier, double page_x, double page_y);
 
 /**
  * Function: FORM_OnLButtonUp
- *			You can call this member function when the user releases the left mouse button.
+ *          You can call this member function when the user releases the left mouse button.
  * Parameters:
- *			hHandle		-	Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
- *			page		-	Handle to the page. Returned by FPDF_LoadPage function.
- *			modifier	-	Indicates whether various virtual keys are down. 
- *			page_x		-	Specifies the x-coordinate of the cursor in device. 
- *			page_y		-	Specifies the y-coordinate of the cursor in device.
+ *          hHandle     -   Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
+ *          page        -   Handle to the page. Returned by FPDF_LoadPage function.
+ *          modifier    -   Indicates whether various virtual keys are down.
+ *          page_x      -   Specifies the x-coordinate of the cursor in device.
+ *          page_y      -   Specifies the y-coordinate of the cursor in device.
  * Return Value:
- *			TRUE indicates success; otherwise false.
+ *          TRUE indicates success; otherwise false.
  **/
 DLLEXPORT FPDF_BOOL STDCALL FORM_OnLButtonUp(FPDF_FORMHANDLE hHandle,FPDF_PAGE page, int modifier, double page_x, double page_y);
 
 /**
  * Function: FORM_OnKeyDown
- *			You can call this member function when a nonsystem key is pressed. 
+ *          You can call this member function when a nonsystem key is pressed.
  * Parameters:
- *			hHandle		-	Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
- *			page		-	Handle to the page. Returned by FPDF_LoadPage function.
- *			nKeyCode	-	Indicates whether various virtual keys are down. 
- *			modifier	-	Contains the scan code, key-transition code, previous key state, and context code.
+ *          hHandle     -   Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
+ *          page        -   Handle to the page. Returned by FPDF_LoadPage function.
+ *          nKeyCode    -   Indicates whether various virtual keys are down.
+ *          modifier    -   Contains the scan code, key-transition code, previous key state, and context code.
  * Return Value:
- *			TRUE indicates success; otherwise false.
+ *          TRUE indicates success; otherwise false.
  **/
 DLLEXPORT FPDF_BOOL STDCALL FORM_OnKeyDown(FPDF_FORMHANDLE hHandle,FPDF_PAGE page, int nKeyCode, int modifier);
 
 /**
  * Function: FORM_OnKeyUp
- *			You can call this member function when a nonsystem key is released. 
+ *          You can call this member function when a nonsystem key is released.
  * Parameters:
- *			hHandle		-	Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
- *			page		-	Handle to the page. Returned by FPDF_LoadPage function.
- *			nKeyCode	-	The virtual-key code of the given key.
- *			modifier	-	Contains the scan code, key-transition code, previous key state, and context code.
+ *          hHandle     -   Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
+ *          page        -   Handle to the page. Returned by FPDF_LoadPage function.
+ *          nKeyCode    -   The virtual-key code of the given key.
+ *          modifier    -   Contains the scan code, key-transition code, previous key state, and context code.
  * Return Value:
- *			TRUE indicates success; otherwise false.
+ *          TRUE indicates success; otherwise false.
  **/
 DLLEXPORT FPDF_BOOL STDCALL FORM_OnKeyUp(FPDF_FORMHANDLE hHandle,FPDF_PAGE page, int nKeyCode, int modifier);
 
 /**
  * Function: FORM_OnChar
- *			You can call this member function when a keystroke translates to a nonsystem character.
+ *          You can call this member function when a keystroke translates to a nonsystem character.
  * Parameters:
- *			hHandle		-	Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
- *			page		-	Handle to the page. Returned by FPDF_LoadPage function.
- *			nChar		-	The character code value of the key.  
- *			modifier	-	Contains the scan code, key-transition code, previous key state, and context code.
+ *          hHandle     -   Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
+ *          page        -   Handle to the page. Returned by FPDF_LoadPage function.
+ *          nChar       -   The character code value of the key.
+ *          modifier    -   Contains the scan code, key-transition code, previous key state, and context code.
  * Return Value:
- *			TRUE indicates success; otherwise false.
+ *          TRUE indicates success; otherwise false.
  **/
 DLLEXPORT FPDF_BOOL STDCALL FORM_OnChar(FPDF_FORMHANDLE hHandle,FPDF_PAGE page, int nChar, int modifier);
 
 /**
  * Function: FORM_ForceToKillFocus.
- *			You can call this member function to force to kill the focus of the form field which got focus.
- *			It would kill the focus on the form field, save the value of form field if it's changed by user.
+ *          You can call this member function to force to kill the focus of the form field which got focus.
+ *          It would kill the focus on the form field, save the value of form field if it's changed by user.
  * Parameters:
- *			hHandle		-	Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
+ *          hHandle     -   Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
  * Return Value:
- *			TRUE indicates success; otherwise false.
+ *          TRUE indicates success; otherwise false.
  **/
 DLLEXPORT FPDF_BOOL STDCALL FORM_ForceToKillFocus(FPDF_FORMHANDLE hHandle);
 
 // Field Types
-#define FPDF_FORMFIELD_UNKNOWN		0		// Unknown.
-#define FPDF_FORMFIELD_PUSHBUTTON	1		// push button type.
-#define FPDF_FORMFIELD_CHECKBOX		2		// check box type.
-#define FPDF_FORMFIELD_RADIOBUTTON	3		// radio button type.
-#define FPDF_FORMFIELD_COMBOBOX		4		// combo box type.
-#define FPDF_FORMFIELD_LISTBOX		5		// list box type.
-#define FPDF_FORMFIELD_TEXTFIELD	6		// text field type.
+#define FPDF_FORMFIELD_UNKNOWN      0       // Unknown.
+#define FPDF_FORMFIELD_PUSHBUTTON   1       // push button type.
+#define FPDF_FORMFIELD_CHECKBOX     2       // check box type.
+#define FPDF_FORMFIELD_RADIOBUTTON  3       // radio button type.
+#define FPDF_FORMFIELD_COMBOBOX     4       // combo box type.
+#define FPDF_FORMFIELD_LISTBOX      5       // list box type.
+#define FPDF_FORMFIELD_TEXTFIELD    6       // text field type.
 
 /**
  * Function: FPDPage_HasFormFieldAtPoint
- *			Check the form filed position by point.
+ *          Check the form filed position by point.
  * Parameters:
- *			hHandle		-	Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
- *			page		-	Handle to the page. Returned by FPDF_LoadPage function.
- *			page_x		-	X position in PDF "user space".
- *			page_y		-	Y position in PDF "user space".
+ *          hHandle     -   Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
+ *          page        -   Handle to the page. Returned by FPDF_LoadPage function.
+ *          page_x      -   X position in PDF "user space".
+ *          page_y      -   Y position in PDF "user space".
  * Return Value:
- *			Return the type of the formfiled; -1 indicates no fields.
+ *          Return the type of the formfiled; -1 indicates no fields.
  **/
 DLLEXPORT int STDCALL FPDPage_HasFormFieldAtPoint(FPDF_FORMHANDLE hHandle,FPDF_PAGE page,double page_x, double page_y);
 
 /**
  * Function: FPDF_SetFormFieldHighlightColor
- *			Set the highlight color of specified or all the form fields in the document.
+ *          Set the highlight color of specified or all the form fields in the document.
  * Parameters:
- *			hHandle		-	Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
- *			doc			-	Handle to the document. Returned by FPDF_LoadDocument function.
- *			fieldType	-	A 32-bit integer indicating the type of a form field(defined above).
- *			color		-	The highlight color of the form field.Constructed by 0xxxrrggbb.
+ *          hHandle     -   Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
+ *          doc         -   Handle to the document. Returned by FPDF_LoadDocument function.
+ *          fieldType   -   A 32-bit integer indicating the type of a form field(defined above).
+ *          color       -   The highlight color of the form field.Constructed by 0xxxrrggbb.
  * Return Value:
- *			NONE.
+ *          NONE.
  * Comments:
- *			When the parameter fieldType is set to zero, the highlight color will be applied to all the form fields in the 
- *			document.
- *			Please refresh the client window to show the highlight immediately if necessary.
+ *          When the parameter fieldType is set to zero, the highlight color will be applied to all the form fields in the
+ *          document.
+ *          Please refresh the client window to show the highlight immediately if necessary.
  **/
 DLLEXPORT void STDCALL FPDF_SetFormFieldHighlightColor(FPDF_FORMHANDLE hHandle, int fieldType, unsigned long color);
 
 /**
  * Function: FPDF_SetFormFieldHighlightAlpha
- *			Set the transparency of the form field highlight color in the document.
+ *          Set the transparency of the form field highlight color in the document.
  * Parameters:
- *			hHandle		-	Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
- *			doc			-	Handle to the document. Returned by FPDF_LoadDocument function.
- *			alpha		-	The transparency of the form field highlight color. between 0-255.
+ *          hHandle     -   Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
+ *          doc         -   Handle to the document. Returned by FPDF_LoadDocument function.
+ *          alpha       -   The transparency of the form field highlight color. between 0-255.
  * Return Value:
- *			NONE.
+ *          NONE.
  **/
 DLLEXPORT void STDCALL FPDF_SetFormFieldHighlightAlpha(FPDF_FORMHANDLE hHandle, unsigned char alpha);
 
 
 /**
  * Function: FPDF_RemoveFormFieldHighlight
- *			Remove the form field highlight color in the document.
+ *          Remove the form field highlight color in the document.
  * Parameters:
- *			hHandle		-	Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
+ *          hHandle     -   Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
  * Return Value:
- *			NONE.
+ *          NONE.
  * Comments:
- *			Please refresh the client window to remove the highlight immediately if necessary.
+ *          Please refresh the client window to remove the highlight immediately if necessary.
  **/
 DLLEXPORT void STDCALL FPDF_RemoveFormFieldHighlight(FPDF_FORMHANDLE hHandle);
 
 /**
 * Function: FPDF_FFLDraw
-*			Render FormFeilds on a page to a device independent bitmap. 			
+*           Render FormFeilds on a page to a device independent bitmap.
 * Parameters:
-*			hHandle		-	Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
-*			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 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. 
+*           hHandle     -   Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnvironment.
+*           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 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.
-* Comments: 
-*			This method is designed to only render annotations and FormFields on the page. 
-*			Without FPDF_ANNOT specified for flags, Rendering functions such as FPDF_RenderPageBitmap or FPDF_RenderPageBitmap_Start will only render page contents(without annotations) to a bitmap.
-*			In order to implement the FormFill functions,Implementation should call this method after rendering functions finish rendering the page contents.
+*           None.
+* Comments:
+*           This method is designed to only render annotations and FormFields on the page.
+*           Without FPDF_ANNOT specified for flags, Rendering functions such as FPDF_RenderPageBitmap or FPDF_RenderPageBitmap_Start will only render page contents(without annotations) to a bitmap.
+*           In order to implement the FormFill functions,Implementation should call this method after rendering functions finish rendering the page contents.
 **/
-DLLEXPORT void STDCALL FPDF_FFLDraw(FPDF_FORMHANDLE hHandle,FPDF_BITMAP bitmap, FPDF_PAGE page, int start_x, int start_y, 
-						int size_x, int size_y, int rotate, int flags);
-
+DLLEXPORT void STDCALL FPDF_FFLDraw(FPDF_FORMHANDLE hHandle,FPDF_BITMAP bitmap, FPDF_PAGE page, int start_x, int start_y,
+                        int size_x, int size_y, int rotate, int flags);
 
 
 #ifdef __cplusplus
-};
+}
 #endif
 
-#endif //_FPDFORMFILL_H
-
+#endif  // PUBLIC_FPDF_FORMFILL_H_