Add a NULL check in pdf_page_colors.cpp
[pdfium.git] / public / fpdf_formfill.h
index 9819359..baab18a 100644 (file)
@@ -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;
@@ -16,822 +16,1095 @@ typedef void* FPDF_FORMHANDLE;
 extern "C" {
 #endif
 
-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;
+typedef struct _IPDF_JsPlatform {
+  /**
+  * Version number of the interface. Currently must be 2.
+  **/
+  int version;
+
+  /* Version 1. */
+
+  /**
+  * 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;
+
+  /* Version 2. */
+
+  void* m_isolate;               /* Unused in v3, retain for compatibility. */
+  unsigned int m_v8EmbedderSlot; /* Unused in v3, retain for compatibility. */
+
+  /* Version 3. */
+  /* Version 3 moves m_Isolate and m_v8EmbedderSlot to FPDF_LIBRARY_CONFIG. */
+
 } 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.
+ * 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 
-{
-    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;
+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] */
+} FPDF_SYSTEMTIME;
 
-} FPDF_FORMFILLINFO;
+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;
+
+} 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);
+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);
+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);
+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);
+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);
+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);
+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);
+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);
+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);
+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);
+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);
+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: FPDFPage_HasFormFieldAtPoint
+ *     Get the form field type by point.
+ * Parameters:
+ *     hHandle     -   Handle to the form fill module. Returned by
+ *                     FPDFDOC_InitFormFillEnvironment().
+ *     page        -   Handle to the page. Returned by FPDF_LoadPage().
+ *     page_x      -   X position in PDF "user space".
+ *     page_y      -   Y position in PDF "user space".
+ * Return Value:
+ *     Return the type of the form field; -1 indicates no field.
+ *     See field types above.
+ **/
+DLLEXPORT int STDCALL FPDFPage_HasFormFieldAtPoint(FPDF_FORMHANDLE hHandle,
+                                                   FPDF_PAGE page,
+                                                   double page_x,
+                                                   double page_y);
 
 /**
  * Function: FPDPage_HasFormFieldAtPoint
- *                     Check the form filed position by point.
+ *     DEPRECATED. Please use FPDFPage_HasFormFieldAtPoint.
+ **/
+DLLEXPORT int STDCALL FPDPage_HasFormFieldAtPoint(FPDF_FORMHANDLE hHandle,
+                                                  FPDF_PAGE page,
+                                                  double page_x,
+                                                  double page_y);
+
+/**
+ * Function: FPDFPage_FormFieldZOrderAtPoint
+ *     Get the form field z-order 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().
+ *     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 z-order of the form field; -1 indicates no field.
+ *     Higher numbers are closer to the front.
  **/
-DLLEXPORT int STDCALL FPDPage_HasFormFieldAtPoint(FPDF_FORMHANDLE hHandle,FPDF_PAGE page,double page_x, double page_y);
+DLLEXPORT int STDCALL FPDFPage_FormFieldZOrderAtPoint(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);
+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);
-
+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_