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Diffstat (limited to 'fpdfsdk/include/fpdfformfill.h')
| -rw-r--r-- | fpdfsdk/include/fpdfformfill.h | 841 |
1 files changed, 841 insertions, 0 deletions
diff --git a/fpdfsdk/include/fpdfformfill.h b/fpdfsdk/include/fpdfformfill.h new file mode 100644 index 0000000000..0e7556e0a8 --- /dev/null +++ b/fpdfsdk/include/fpdfformfill.h @@ -0,0 +1,841 @@ +// 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 _FPDFORMFILL_H
+#define _FPDFORMFILL_H
+#include "fpdfview.h"
+
+typedef void* FPDF_FORMHANDLE;
+
+// Exported Functions
+#ifdef __cplusplus
+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 user input text consumes, not including trailing zeros. If the text exceed 2048 bytes,
+ * the exceeded part will be ignored.
+ * Comments:
+ * No matter on what platform, the response should be always input in UTF-16LE 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 (*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
+
+/**
+ * Declares of a pointer type to the callback function for the FFI_SetTimer method.
+ * Parameters:
+ * idEvent - Identifier of the timer.
+ * Return value:
+ * 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;
+
+} FPDF_FORMFILLINFO;
+
+
+
+/**
+ * Function: FPDFDOC_InitFormFillEnviroument
+ * Init form fill environment.
+ * Comments:
+ * 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.
+ * Return Value:
+ * Return handler to the form fill module. NULL means fails.
+ **/
+DLLEXPORT FPDF_FORMHANDLE STDCALL FPDFDOC_InitFormFillEnviroument(FPDF_DOCUMENT document, FPDF_FORMFILLINFO* formInfo);
+
+/**
+ * Function: FPDFDOC_ExitFormFillEnviroument
+ * Exit form fill environment.
+ * Parameters:
+ * hHandle - Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnviroument.
+ * Return Value:
+ * NULL.
+ **/
+DLLEXPORT void STDCALL FPDFDOC_ExitFormFillEnviroument(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_InitFormFillEnviroument had been invoked.
+ * Parameters:
+ * hHandle - Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnviroument.
+ * Return Value:
+ * 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.
+ * Parameters:
+ * page - Handle to the page. Returned by FPDF_LoadPage function.
+ * hHandle - Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnviroument.
+ * Return Value:
+ * 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.
+* Parameters:
+* hHandle - Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnviroument.
+* Return Value:
+* 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.
+**/
+DLLEXPORT void STDCALL FORM_DoDocumentJSAction(FPDF_FORMHANDLE hHandle);
+
+
+/**
+* Function: FORM_DoDocumentOpenAction
+* This method is required for performing open-action when the document is opened.
+* Parameters:
+* hHandle - Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnviroument.
+* Return Value:
+* NONE
+* Comments:
+* 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.
+/**
+* Function: FORM_DoDocumentAAction
+* This method is required for performing the document's additional-action.
+* Parameters:
+* hHandle - Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnviroument.
+* aaType - The type of the additional-actions which defined above.
+* Return Value:
+* NONE
+* Comments:
+* 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
+
+/**
+* Function: FORM_DoPageAAction
+* 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_InitFormFillEnviroument.
+* aaType - The type of the page object's additional-actions which defined above.
+* Return Value:
+* NONE
+* Comments:
+* 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.
+ * Parameters:
+ * hHandle - Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnviroument.
+ * 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.
+ **/
+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.
+ * Parameters:
+ * hHandle - Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnviroument.
+ * 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.
+ **/
+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.
+ * Parameters:
+ * hHandle - Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnviroument.
+ * 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.
+ **/
+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.
+ * Parameters:
+ * hHandle - Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnviroument.
+ * 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.
+ **/
+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.
+ * Parameters:
+ * hHandle - Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnviroument.
+ * 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.
+ **/
+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.
+ * Parameters:
+ * hHandle - Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnviroument.
+ * 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.
+ **/
+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.
+ * Parameters:
+ * hHandle - Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnviroument.
+ * Return Value:
+ * 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.
+
+/**
+ * Function: FPDPage_HasFormFieldAtPoint
+ * Check the form filed position by point.
+ * Parameters:
+ * hHandle - Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnviroument.
+ * 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.
+ **/
+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.
+ * Parameters:
+ * hHandle - Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnviroument.
+ * 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.
+ * 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.
+ **/
+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.
+ * Parameters:
+ * hHandle - Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnviroument.
+ * 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.
+ **/
+DLLEXPORT void STDCALL FPDF_SetFormFieldHighlightAlpha(FPDF_FORMHANDLE hHandle, unsigned char alpha);
+
+
+/**
+ * Function: FPDF_RemoveFormFieldHighlight
+ * Remove the form field highlight color in the document.
+ * Parameters:
+ * hHandle - Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnviroument.
+ * Return Value:
+ * NONE.
+ * Comments:
+ * 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.
+* Parameters:
+* hHandle - Handle to the form fill module. Returned by FPDFDOC_InitFormFillEnviroument.
+* 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.
+**/
+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
+
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