| // Copyright 2014 The PDFium Authors |
| // 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_ |
| |
| // clang-format off |
| // NOLINTNEXTLINE(build/include_directory) |
| #include "fpdfview.h" |
| |
| // These values are return values for a public API, so should not be changed |
| // other than the count when adding new values. |
| #define FORMTYPE_NONE 0 // Document contains no forms |
| #define FORMTYPE_ACRO_FORM 1 // Forms are specified using AcroForm spec |
| #define FORMTYPE_XFA_FULL 2 // Forms are specified using entire XFA spec |
| #define FORMTYPE_XFA_FOREGROUND 3 // Forms are specified using the XFAF subset |
| // of XFA spec |
| #define FORMTYPE_COUNT 4 // The number of form types |
| |
| #define JSPLATFORM_ALERT_BUTTON_OK 0 // OK button |
| #define JSPLATFORM_ALERT_BUTTON_OKCANCEL 1 // OK & Cancel buttons |
| #define JSPLATFORM_ALERT_BUTTON_YESNO 2 // Yes & No buttons |
| #define JSPLATFORM_ALERT_BUTTON_YESNOCANCEL 3 // Yes, No & Cancel buttons |
| #define JSPLATFORM_ALERT_BUTTON_DEFAULT JSPLATFORM_ALERT_BUTTON_OK |
| |
| #define JSPLATFORM_ALERT_ICON_ERROR 0 // Error |
| #define JSPLATFORM_ALERT_ICON_WARNING 1 // Warning |
| #define JSPLATFORM_ALERT_ICON_QUESTION 2 // Question |
| #define JSPLATFORM_ALERT_ICON_STATUS 3 // Status |
| #define JSPLATFORM_ALERT_ICON_ASTERISK 4 // Asterisk |
| #define JSPLATFORM_ALERT_ICON_DEFAULT JSPLATFORM_ALERT_ICON_ERROR |
| |
| #define JSPLATFORM_ALERT_RETURN_OK 1 // OK |
| #define JSPLATFORM_ALERT_RETURN_CANCEL 2 // Cancel |
| #define JSPLATFORM_ALERT_RETURN_NO 3 // No |
| #define JSPLATFORM_ALERT_RETURN_YES 4 // Yes |
| |
| #define JSPLATFORM_BEEP_ERROR 0 // Error |
| #define JSPLATFORM_BEEP_WARNING 1 // Warning |
| #define JSPLATFORM_BEEP_QUESTION 2 // Question |
| #define JSPLATFORM_BEEP_STATUS 3 // Status |
| #define JSPLATFORM_BEEP_DEFAULT 4 // Default |
| |
| // Exported Functions |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| 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 type of button group, one of the |
| * JSPLATFORM_ALERT_BUTTON_* values above. |
| * nIcon - The type of the icon, one of the |
| * JSPLATFORM_ALERT_ICON_* above. |
| * Return Value: |
| * Option selected by user in dialogue, one of the |
| * JSPLATFORM_ALERT_RETURN_* values above. |
| */ |
| 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, see JSPLATFORM_BEEP_TYPE_* |
| * above. |
| * 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 |
| * be shown as asterisks (*) or bullets (?) to mask |
| * the response, which might be sensitive information. |
| * response - A string buffer allocated by PDFium, to receive the |
| * user's response. |
| * length - The length of the buffer in bytes. Currently, it is |
| * always 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 always be provided in the 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 than 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. |
| * Return Value: |
| * None. |
| */ |
| 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, in bytes. Can be 0. |
| * Return Value: |
| * Number of bytes the filePath consumes, including trailing zeros. |
| * Comments: |
| * The filePath shoule always be provided in local encoding. |
| */ |
| int (*Field_browse)(struct _IPDF_JsPlatform* pThis, |
| void* filePath, |
| int length); |
| |
| /* |
| * Pointer for embedder-specific data. Unused by PDFium, and despite |
| * its name, can be any data the embedder desires, though traditionally |
| * a 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 |
| |
| /* |
| * Function signature for the callback function passed to 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; |
| |
| #ifdef PDF_ENABLE_XFA |
| |
| // Pageview event flags |
| #define FXFA_PAGEVIEWEVENT_POSTADDED 1 // After a new pageview is added. |
| #define FXFA_PAGEVIEWEVENT_POSTREMOVED 3 // After a pageview is removed. |
| |
| // Definitions for Right Context Menu Features Of XFA Fields |
| #define FXFA_MENU_COPY 1 |
| #define FXFA_MENU_CUT 2 |
| #define FXFA_MENU_SELECTALL 4 |
| #define FXFA_MENU_UNDO 8 |
| #define FXFA_MENU_REDO 16 |
| #define FXFA_MENU_PASTE 32 |
| |
| // Definitions for File Type. |
| #define FXFA_SAVEAS_XML 1 |
| #define FXFA_SAVEAS_XDP 2 |
| |
| #endif // PDF_ENABLE_XFA |
| |
| typedef struct _FPDF_FORMFILLINFO { |
| /* |
| * Version number of the interface. |
| * Version 1 contains stable interfaces. Version 2 has additional |
| * experimental interfaces. |
| * When PDFium is built without the XFA module, version can be 1 or 2. |
| * With version 1, only stable interfaces are called. With version 2, |
| * additional experimental interfaces are also called. |
| * When PDFium is built with the XFA module, version must be 2. |
| * All the XFA related interfaces are experimental. If PDFium is built with |
| * the XFA module and version 1 then none of the XFA related interfaces |
| * would be called. When PDFium is built with XFA module then the version |
| * must be 2. |
| */ |
| int version; |
| |
| /* Version 1. */ |
| /* |
| * Method: Release |
| * Give the implementation a chance to release any resources after the |
| * interface is no longer used. |
| * Interface Version: |
| * 1 |
| * Implementation Required: |
| * No |
| * Comments: |
| * Called by PDFium 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(). |
| * left - Left position of the client area in PDF page |
| * coordinates. |
| * top - Top position of the client area in PDF page |
| * coordinates. |
| * right - Right position of the client area in PDF page |
| * coordinates. |
| * bottom - Bottom position of the client area in PDF page |
| * coordinates. |
| * Return Value: |
| * None. |
| * Comments: |
| * All positions are measured in PDF "user space". |
| * Implementation should call FPDF_RenderPageBitmap() for repainting |
| * the 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 the user selects text in form fields with the mouse, this |
| * callback function will be invoked with the selected areas. |
| * Interface Version: |
| * 1 |
| * Implementation Required: |
| * No |
| * Parameters: |
| * pThis - Pointer to the interface structure itself. |
| * page - Handle to the page. Returned by FPDF_LoadPage()/ |
| * left - Left position of the client area in PDF page |
| * coordinates. |
| * top - Top position of the client area in PDF page |
| * coordinates. |
| * right - Right position of the client area in PDF page |
| * coordinates. |
| * bottom - Bottom position of the client area in PDF page |
| * coordinates. |
| * Return Value: |
| * None. |
| * Comments: |
| * This callback function is useful for implementing special text |
| * selection effects. An implementation should first record the |
| * returned rectangles, then draw them one by one during the next |
| * painting period. Lastly, it should remove all the recorded |
| * rectangles when finished 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 details. |
| * Return value: |
| * None. |
| */ |
| void (*FFI_SetCursor)(struct _FPDF_FORMFILLINFO* pThis, int nCursorType); |
| |
| /* |
| * Method: FFI_SetTimer |
| * This method installs a system timer. An interval value is specified, |
| * and every time that interval elapses, the system must call into the |
| * callback function with the timer ID as returned by this 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 uninstalls a system timer, as 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 returned 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: |
| * The local time. See FPDF_SYSTEMTIME above for details. |
| * Note: Unused. |
| */ |
| FPDF_SYSTEMTIME (*FFI_GetLocalTime)(struct _FPDF_FORMFILLINFO* pThis); |
| |
| /* |
| * Method: FFI_OnChange |
| * This method will be invoked to notify the 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 handle 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(). |
| * nPageIndex - Index number of the page. 0 for the first page. |
| * Return value: |
| * Handle to the page, as previously returned to the implementation by |
| * FPDF_LoadPage(). |
| * Comments: |
| * The implementation is expected to keep track of the page handles it |
| * receives from PDFium, and their mappings to page numbers. 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, the implementation needs to load the page. |
| */ |
| FPDF_PAGE (*FFI_GetPage)(struct _FPDF_FORMFILLINFO* pThis, |
| FPDF_DOCUMENT document, |
| int nPageIndex); |
| |
| /* |
| * Method: FFI_GetCurrentPage |
| * This method receives the handle to the current page. |
| * Interface Version: |
| * 1 |
| * Implementation Required: |
| * Yes when V8 support is present, otherwise unused. |
| * Parameters: |
| * pThis - Pointer to the interface structure itself. |
| * document - Handle to document. Returned by FPDF_LoadDocument(). |
| * Return value: |
| * Handle to the page. Returned by FPDF_LoadPage(). |
| * Comments: |
| * PDFium doesn't keep keep track of the "current page" (e.g. the one |
| * that is most visible on screen), so it must ask the embedder for |
| * this information. |
| */ |
| 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, as returned by FPDF_LoadPage(). |
| * Return value: |
| * A number to indicate the page rotation in 90 degree increments |
| * in a clockwise direction: |
| * 0 - 0 degrees |
| * 1 - 90 degrees |
| * 2 - 180 degrees |
| * 3 - 270 degrees |
| * Note: Unused. |
| */ |
| int (*FFI_GetRotation)(struct _FPDF_FORMFILLINFO* pThis, FPDF_PAGE page); |
| |
| /* |
| * Method: FFI_ExecuteNamedAction |
| * This method will execute a 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 ISO 32000-1:2008, section 12.6.4.11 for descriptions of the |
| * standard named actions, but note that a document may supply any |
| * name of its choosing. |
| */ |
| void (*FFI_ExecuteNamedAction)(struct _FPDF_FORMFILLINFO* pThis, |
| FPDF_BYTESTRING namedAction); |
| /* |
| * Method: FFI_SetTextFieldFocus |
| * Called when a text field is getting or losing focus. |
| * Interface Version: |
| * 1 |
| * Implementation Required: |
| * no |
| * Parameters: |
| * pThis - Pointer to the interface structure itself. |
| * value - The string value of the form field, in UTF-16LE |
| * format. |
| * valueLen - The length of the string value. This is the |
| * number of characters, not bytes. |
| * is_focus - True if the form field is getting focus, false |
| * if the form field is losing focus. |
| * Return value: |
| * None. |
| * Comments: |
| * Only supports text fields and combobox fields. |
| */ |
| void (*FFI_SetTextFieldFocus)(struct _FPDF_FORMFILLINFO* pThis, |
| FPDF_WIDESTRING value, |
| FPDF_DWORD valueLen, |
| FPDF_BOOL is_focus); |
| |
| /* |
| * Method: FFI_DoURIAction |
| * Ask the implementation to navigate 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: |
| * If the embedder is version 2 or higher and have implementation for |
| * FFI_DoURIActionWithKeyboardModifier, then |
| * FFI_DoURIActionWithKeyboardModifier takes precedence over |
| * FFI_DoURIAction. |
| * 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 below. |
| * fPosArray - The float array which carries the position info. |
| * sizeofArray - The size of float array. |
| * PDFZoom values: |
| * - XYZ = 1 |
| * - FITPAGE = 2 |
| * - FITHORZ = 3 |
| * - FITVERT = 4 |
| * - FITRECT = 5 |
| * - FITBBOX = 6 |
| * - FITBHORZ = 7 |
| * - FITBVERT = 8 |
| * 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. |
| * Unused if PDFium is built without V8 support. Otherwise, if NULL, then |
| * JavaScript will be prevented from executing while rendering the document. |
| */ |
| IPDF_JSPLATFORM* m_pJsPlatform; |
| |
| /* Version 2 - Experimental. */ |
| /* |
| * Whether the XFA module is disabled when built with the XFA module. |
| * Interface Version: |
| * Ignored if |version| < 2. |
| */ |
| FPDF_BOOL xfa_disabled; |
| |
| /* |
| * Method: FFI_DisplayCaret |
| * This method will show the caret at specified position. |
| * Interface Version: |
| * Ignored if |version| < 2. |
| * Implementation Required: |
| * Required for XFA, otherwise set to NULL. |
| * Parameters: |
| * pThis - Pointer to the interface structure itself. |
| * page - Handle to page. Returned by FPDF_LoadPage(). |
| * left - Left position of the client area in PDF page |
| * coordinates. |
| * top - Top position of the client area in PDF page |
| * coordinates. |
| * right - Right position of the client area in PDF page |
| * coordinates. |
| * bottom - Bottom position of the client area in PDF page |
| * coordinates. |
| * Return value: |
| * None. |
| */ |
| void (*FFI_DisplayCaret)(struct _FPDF_FORMFILLINFO* pThis, |
| FPDF_PAGE page, |
| FPDF_BOOL bVisible, |
| double left, |
| double top, |
| double right, |
| double bottom); |
| |
| /* |
| * Method: FFI_GetCurrentPageIndex |
| * This method will get the current page index. |
| * Interface Version: |
| * Ignored if |version| < 2. |
| * Implementation Required: |
| * Required for XFA, otherwise set to NULL. |
| * Parameters: |
| * pThis - Pointer to the interface structure itself. |
| * document - Handle to document from FPDF_LoadDocument(). |
| * Return value: |
| * The index of current page. |
| */ |
| int (*FFI_GetCurrentPageIndex)(struct _FPDF_FORMFILLINFO* pThis, |
| FPDF_DOCUMENT document); |
| |
| /* |
| * Method: FFI_SetCurrentPage |
| * This method will set the current page. |
| * Interface Version: |
| * Ignored if |version| < 2. |
| * Implementation Required: |
| * Required for XFA, otherwise set to NULL. |
| * Parameters: |
| * pThis - Pointer to the interface structure itself. |
| * document - Handle to document from FPDF_LoadDocument(). |
| * iCurPage - The index of the PDF page. |
| * Return value: |
| * None. |
| */ |
| void (*FFI_SetCurrentPage)(struct _FPDF_FORMFILLINFO* pThis, |
| FPDF_DOCUMENT document, |
| int iCurPage); |
| |
| /* |
| * Method: FFI_GotoURL |
| * This method will navigate to the specified URL. |
| * Interface Version: |
| * Ignored if |version| < 2. |
| * Implementation Required: |
| * Required for XFA, otherwise set to NULL. |
| * Parameters: |
| * pThis - Pointer to the interface structure itself. |
| * document - Handle to document from FPDF_LoadDocument(). |
| * wsURL - The string value of the URL, in UTF-16LE format. |
| * Return value: |
| * None. |
| */ |
| void (*FFI_GotoURL)(struct _FPDF_FORMFILLINFO* pThis, |
| FPDF_DOCUMENT document, |
| FPDF_WIDESTRING wsURL); |
| |
| /* |
| * Method: FFI_GetPageViewRect |
| * This method will get the current page view rectangle. |
| * Interface Version: |
| * Ignored if |version| < 2. |
| * Implementation Required: |
| * Required for XFA, otherwise set to NULL. |
| * Parameters: |
| * pThis - Pointer to the interface structure itself. |
| * page - Handle to page. Returned by FPDF_LoadPage(). |
| * left - The pointer to receive left position of the page |
| * view area in PDF page coordinates. |
| * top - The pointer to receive top position of the page |
| * view area in PDF page coordinates. |
| * right - The pointer to receive right position of the |
| * page view area in PDF page coordinates. |
| * bottom - The pointer to receive bottom position of the |
| * page view area in PDF page coordinates. |
| * Return value: |
| * None. |
| */ |
| void (*FFI_GetPageViewRect)(struct _FPDF_FORMFILLINFO* pThis, |
| FPDF_PAGE page, |
| double* left, |
| double* top, |
| double* right, |
| double* bottom); |
| |
| /* |
| * Method: FFI_PageEvent |
| * This method fires when pages have been added to or deleted from |
| * the XFA document. |
| * Interface Version: |
| * Ignored if |version| < 2. |
| * Implementation Required: |
| * Required for XFA, otherwise set to NULL. |
| * Parameters: |
| * pThis - Pointer to the interface structure itself. |
| * page_count - The number of pages to be added or deleted. |
| * event_type - See FXFA_PAGEVIEWEVENT_* above. |
| * Return value: |
| * None. |
| * Comments: |
| * The pages to be added or deleted always start from the last page |
| * of document. This means that if parameter page_count is 2 and |
| * event type is FXFA_PAGEVIEWEVENT_POSTADDED, 2 new pages have been |
| * appended to the tail of document; If page_count is 2 and |
| * event type is FXFA_PAGEVIEWEVENT_POSTREMOVED, the last 2 pages |
| * have been deleted. |
| */ |
| void (*FFI_PageEvent)(struct _FPDF_FORMFILLINFO* pThis, |
| int page_count, |
| FPDF_DWORD event_type); |
| |
| /* |
| * Method: FFI_PopupMenu |
| * This method will track the right context menu for XFA fields. |
| * Interface Version: |
| * Ignored if |version| < 2. |
| * Implementation Required: |
| * Required for XFA, otherwise set to NULL. |
| * Parameters: |
| * pThis - Pointer to the interface structure itself. |
| * page - Handle to page. Returned by FPDF_LoadPage(). |
| * hWidget - Always null, exists for compatibility. |
| * menuFlag - The menu flags. Please refer to macro definition |
| * of FXFA_MENU_XXX and this can be one or a |
| * combination of these macros. |
| * x - X position of the client area in PDF page |
| * coordinates. |
| * y - Y position of the client area in PDF page |
| * coordinates. |
| * Return value: |
| * TRUE indicates success; otherwise false. |
| */ |
| FPDF_BOOL (*FFI_PopupMenu)(struct _FPDF_FORMFILLINFO* pThis, |
| FPDF_PAGE page, |
| FPDF_WIDGET hWidget, |
| int menuFlag, |
| float x, |
| float y); |
| |
| /* |
| * Method: FFI_OpenFile |
| * This method will open the specified file with the specified mode. |
| * Interface Version: |
| * Ignored if |version| < 2. |
| * Implementation Required: |
| * Required for XFA, otherwise set to NULL. |
| * Parameters: |
| * pThis - Pointer to the interface structure itself. |
| * fileFlag - The file flag. Please refer to macro definition |
| * of FXFA_SAVEAS_XXX and use one of these macros. |
| * wsURL - The string value of the file URL, in UTF-16LE |
| * format. |
| * mode - The mode for open file, e.g. "rb" or "wb". |
| * Return value: |
| * The handle to FPDF_FILEHANDLER. |
| */ |
| FPDF_FILEHANDLER* (*FFI_OpenFile)(struct _FPDF_FORMFILLINFO* pThis, |
| int fileFlag, |
| FPDF_WIDESTRING wsURL, |
| const char* mode); |
| |
| /* |
| * Method: FFI_EmailTo |
| * This method will email the specified file stream to the specified |
| * contact. |
| * Interface Version: |
| * Ignored if |version| < 2. |
| * Implementation Required: |
| * Required for XFA, otherwise set to NULL. |
| * Parameters: |
| * pThis - Pointer to the interface structure itself. |
| * pFileHandler - Handle to the FPDF_FILEHANDLER. |
| * pTo - A semicolon-delimited list of recipients for the |
| * message,in UTF-16LE format. |
| * pSubject - The subject of the message,in UTF-16LE format. |
| * pCC - A semicolon-delimited list of CC recipients for |
| * the message,in UTF-16LE format. |
| * pBcc - A semicolon-delimited list of BCC recipients for |
| * the message,in UTF-16LE format. |
| * pMsg - Pointer to the data buffer to be sent.Can be |
| * NULL,in UTF-16LE format. |
| * Return value: |
| * None. |
| */ |
| void (*FFI_EmailTo)(struct _FPDF_FORMFILLINFO* pThis, |
| FPDF_FILEHANDLER* fileHandler, |
| FPDF_WIDESTRING pTo, |
| FPDF_WIDESTRING pSubject, |
| FPDF_WIDESTRING pCC, |
| FPDF_WIDESTRING pBcc, |
| FPDF_WIDESTRING pMsg); |
| |
| /* |
| * Method: FFI_UploadTo |
| * This method will upload the specified file stream to the |
| * specified URL. |
| * Interface Version: |
| * Ignored if |version| < 2. |
| * Implementation Required: |
| * Required for XFA, otherwise set to NULL. |
| * Parameters: |
| * pThis - Pointer to the interface structure itself. |
| * pFileHandler - Handle to the FPDF_FILEHANDLER. |
| * fileFlag - The file flag. Please refer to macro definition |
| * of FXFA_SAVEAS_XXX and use one of these macros. |
| * uploadTo - Pointer to the URL path, in UTF-16LE format. |
| * Return value: |
| * None. |
| */ |
| void (*FFI_UploadTo)(struct _FPDF_FORMFILLINFO* pThis, |
| FPDF_FILEHANDLER* fileHandler, |
| int fileFlag, |
| FPDF_WIDESTRING uploadTo); |
| |
| /* |
| * Method: FFI_GetPlatform |
| * This method will get the current platform. |
| * Interface Version: |
| * Ignored if |version| < 2. |
| * Implementation Required: |
| * Required for XFA, otherwise set to NULL. |
| * Parameters: |
| * pThis - Pointer to the interface structure itself. |
| * platform - Pointer to the data buffer to receive the |
| * platform,in UTF-16LE format. Can be NULL. |
| * length - The length of the buffer in bytes. Can be |
| * 0 to query the required size. |
| * Return value: |
| * The length of the buffer, number of bytes. |
| */ |
| int (*FFI_GetPlatform)(struct _FPDF_FORMFILLINFO* pThis, |
| void* platform, |
| int length); |
| |
| /* |
| * Method: FFI_GetLanguage |
| * This method will get the current language. |
| * Interface Version: |
| * Ignored if |version| < 2. |
| * Implementation Required: |
| * Required for XFA, otherwise set to NULL. |
| * Parameters: |
| * pThis - Pointer to the interface structure itself. |
| * language - Pointer to the data buffer to receive the |
| * current language. Can be NULL. |
| * length - The length of the buffer in bytes. Can be |
| * 0 to query the required size. |
| * Return value: |
| * The length of the buffer, number of bytes. |
| */ |
| int (*FFI_GetLanguage)(struct _FPDF_FORMFILLINFO* pThis, |
| void* language, |
| int length); |
| |
| /* |
| * Method: FFI_DownloadFromURL |
| * This method will download the specified file from the URL. |
| * Interface Version: |
| * Ignored if |version| < 2. |
| * Implementation Required: |
| * Required for XFA, otherwise set to NULL. |
| * Parameters: |
| * pThis - Pointer to the interface structure itself. |
| * URL - The string value of the file URL, in UTF-16LE |
| * format. |
| * Return value: |
| * The handle to FPDF_FILEHANDLER. |
| */ |
| FPDF_FILEHANDLER* (*FFI_DownloadFromURL)(struct _FPDF_FORMFILLINFO* pThis, |
| FPDF_WIDESTRING URL); |
| /* |
| * Method: FFI_PostRequestURL |
| * This method will post the request to the server URL. |
| * Interface Version: |
| * Ignored if |version| < 2. |
| * Implementation Required: |
| * Required for XFA, otherwise set to NULL. |
| * Parameters: |
| * pThis - Pointer to the interface structure itself. |
| * wsURL - The string value of the server URL, in UTF-16LE |
| * format. |
| * wsData - The post data,in UTF-16LE format. |
| * wsContentType - The content type of the request data, in |
| * UTF-16LE format. |
| * wsEncode - The encode type, in UTF-16LE format. |
| * wsHeader - The request header,in UTF-16LE format. |
| * response - Pointer to the FPDF_BSTR to receive the response |
| * data from the server, in UTF-16LE format. |
| * Return value: |
| * TRUE indicates success, otherwise FALSE. |
| */ |
| FPDF_BOOL (*FFI_PostRequestURL)(struct _FPDF_FORMFILLINFO* pThis, |
| FPDF_WIDESTRING wsURL, |
| FPDF_WIDESTRING wsData, |
| FPDF_WIDESTRING wsContentType, |
| FPDF_WIDESTRING wsEncode, |
| FPDF_WIDESTRING wsHeader, |
| FPDF_BSTR* response); |
| |
| /* |
| * Method: FFI_PutRequestURL |
| * This method will put the request to the server URL. |
| * Interface Version: |
| * Ignored if |version| < 2. |
| * Implementation Required: |
| * Required for XFA, otherwise set to NULL. |
| * Parameters: |
| * pThis - Pointer to the interface structure itself. |
| * wsURL - The string value of the server URL, in UTF-16LE |
| * format. |
| * wsData - The put data, in UTF-16LE format. |
| * wsEncode - The encode type, in UTR-16LE format. |
| * Return value: |
| * TRUE indicates success, otherwise FALSE. |
| */ |
| FPDF_BOOL (*FFI_PutRequestURL)(struct _FPDF_FORMFILLINFO* pThis, |
| FPDF_WIDESTRING wsURL, |
| FPDF_WIDESTRING wsData, |
| FPDF_WIDESTRING wsEncode); |
| |
| /* |
| * Method: FFI_OnFocusChange |
| * Called when the focused annotation is updated. |
| * Interface Version: |
| * Ignored if |version| < 2. |
| * Implementation Required: |
| * No |
| * Parameters: |
| * param - Pointer to the interface structure itself. |
| * annot - The focused annotation. |
| * page_index - Index number of the page which contains the |
| * focused annotation. 0 for the first page. |
| * Return value: |
| * None. |
| * Comments: |
| * This callback function is useful for implementing any view based |
| * action such as scrolling the annotation rect into view. The |
| * embedder should not copy and store the annot as its scope is |
| * limited to this call only. |
| */ |
| void (*FFI_OnFocusChange)(struct _FPDF_FORMFILLINFO* param, |
| FPDF_ANNOTATION annot, |
| int page_index); |
| |
| /** |
| * Method: FFI_DoURIActionWithKeyboardModifier |
| * Ask the implementation to navigate to a uniform resource identifier |
| * with the specified modifiers. |
| * Interface Version: |
| * Ignored if |version| < 2. |
| * Implementation Required: |
| * No |
| * Parameters: |
| * param - Pointer to the interface structure itself. |
| * uri - A byte string which indicates the uniform |
| * resource identifier, terminated by 0. |
| * modifiers - Keyboard modifier that indicates which of |
| * the virtual keys are down, if any. |
| * Return value: |
| * None. |
| * Comments: |
| * If the embedder who is version 2 and does not implement this API, |
| * then a call will be redirected to FFI_DoURIAction. |
| * See the URI actions description of <<PDF Reference, version 1.7>> |
| * for more details. |
| */ |
| void(*FFI_DoURIActionWithKeyboardModifier)(struct _FPDF_FORMFILLINFO* param, |
| FPDF_BYTESTRING uri, |
| int modifiers); |
| } FPDF_FORMFILLINFO; |
| |
| /* |
| * Function: FPDFDOC_InitFormFillEnvironment |
| * Initialize form fill environment. |
| * Parameters: |
| * document - Handle to document from FPDF_LoadDocument(). |
| * formInfo - Pointer to a FPDF_FORMFILLINFO structure. |
| * Return Value: |
| * Handle to the form fill module, or NULL on failure. |
| * Comments: |
| * This function should be called before any form fill operation. |
| * The FPDF_FORMFILLINFO passed in via |formInfo| must remain valid until |
| * the returned FPDF_FORMHANDLE is closed. |
| */ |
| FPDF_EXPORT FPDF_FORMHANDLE FPDF_CALLCONV |
| FPDFDOC_InitFormFillEnvironment(FPDF_DOCUMENT document, |
| FPDF_FORMFILLINFO* formInfo); |
| |
| /* |
| * Function: FPDFDOC_ExitFormFillEnvironment |
| * Take ownership of |hHandle| and exit form fill environment. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * Return Value: |
| * None. |
| * Comments: |
| * This function is a no-op when |hHandle| is null. |
| */ |
| FPDF_EXPORT void FPDF_CALLCONV |
| 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 FPDFDOC_InitFormFillEnvironment() has been invoked. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * Return Value: |
| * None. |
| */ |
| FPDF_EXPORT void FPDF_CALLCONV 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 closes the PDF page. |
| * Parameters: |
| * page - Handle to the page, as returned by FPDF_LoadPage(). |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * Return Value: |
| * None. |
| */ |
| FPDF_EXPORT void FPDF_CALLCONV FORM_OnBeforeClosePage(FPDF_PAGE page, |
| FPDF_FORMHANDLE hHandle); |
| |
| /* |
| * Function: FORM_DoDocumentJSAction |
| * This method is required for performing document-level JavaScript |
| * actions. It should be invoked after the PDF document has been loaded. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * 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. |
| */ |
| FPDF_EXPORT void FPDF_CALLCONV |
| 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, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * Return Value: |
| * None. |
| * Comments: |
| * This method will do nothing if there are no open-actions embedded |
| * in the document. |
| */ |
| FPDF_EXPORT void FPDF_CALLCONV |
| FORM_DoDocumentOpenAction(FPDF_FORMHANDLE hHandle); |
| |
| // Additional actions type of document: |
| // WC, before closing document, JavaScript action. |
| // WS, before saving document, JavaScript action. |
| // DS, after saving document, JavaScript action. |
| // WP, before printing document, JavaScript action. |
| // DP, after printing document, JavaScript action. |
| #define FPDFDOC_AACTION_WC 0x10 |
| #define FPDFDOC_AACTION_WS 0x11 |
| #define FPDFDOC_AACTION_DS 0x12 |
| #define FPDFDOC_AACTION_WP 0x13 |
| #define FPDFDOC_AACTION_DP 0x14 |
| |
| /* |
| * 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_InitFormFillEnvironment. |
| * 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|. |
| */ |
| FPDF_EXPORT void FPDF_CALLCONV FORM_DoDocumentAAction(FPDF_FORMHANDLE hHandle, |
| int aaType); |
| |
| // Additional-action types of page object: |
| // OPEN (/O) -- An action to be performed when the page is opened |
| // CLOSE (/C) -- An action to be performed when the page is closed |
| #define FPDFPAGE_AACTION_OPEN 0 |
| #define FPDFPAGE_AACTION_CLOSE 1 |
| |
| /* |
| * 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, as returned by FPDF_LoadPage(). |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * 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. |
| */ |
| FPDF_EXPORT void FPDF_CALLCONV FORM_DoPageAAction(FPDF_PAGE page, |
| FPDF_FORMHANDLE hHandle, |
| int aaType); |
| |
| /* |
| * Function: FORM_OnMouseMove |
| * Call this member function when the mouse cursor moves. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * page - Handle to the page, as returned by FPDF_LoadPage(). |
| * 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. |
| */ |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnMouseMove(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| int modifier, |
| double page_x, |
| double page_y); |
| |
| /* |
| * Experimental API |
| * Function: FORM_OnMouseWheel |
| * Call this member function when the user scrolls the mouse wheel. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * page - Handle to the page, as returned by FPDF_LoadPage(). |
| * modifier - Indicates whether various virtual keys are down. |
| * page_coord - Specifies the coordinates of the cursor in PDF user |
| * space. |
| * delta_x - Specifies the amount of wheel movement on the x-axis, |
| * in units of platform-agnostic wheel deltas. Negative |
| * values mean left. |
| * delta_y - Specifies the amount of wheel movement on the y-axis, |
| * in units of platform-agnostic wheel deltas. Negative |
| * values mean down. |
| * Return Value: |
| * True indicates success; otherwise false. |
| * Comments: |
| * For |delta_x| and |delta_y|, the caller must normalize |
| * platform-specific wheel deltas. e.g. On Windows, a delta value of 240 |
| * for a WM_MOUSEWHEEL event normalizes to 2, since Windows defines |
| * WHEEL_DELTA as 120. |
| */ |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnMouseWheel( |
| FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| int modifier, |
| const FS_POINTF* page_coord, |
| int delta_x, |
| int delta_y); |
| |
| /* |
| * Function: FORM_OnFocus |
| * This function focuses the form annotation at a given point. If the |
| * annotation at the point already has focus, nothing happens. If there |
| * is no annotation at the point, removes form focus. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * page - Handle to the page, as returned by FPDF_LoadPage(). |
| * 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 if there is an annotation at the given point and it has focus. |
| */ |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnFocus(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| int modifier, |
| double page_x, |
| double page_y); |
| |
| /* |
| * Function: FORM_OnLButtonDown |
| * Call this member function when the user presses the left |
| * mouse button. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * page - Handle to the page, as returned by FPDF_LoadPage(). |
| * 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. |
| */ |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnLButtonDown(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| int modifier, |
| double page_x, |
| double page_y); |
| |
| /* |
| * Function: FORM_OnRButtonDown |
| * Same as above, execpt for the right mouse button. |
| * Comments: |
| * At the present time, has no effect except in XFA builds, but is |
| * included for the sake of symmetry. |
| */ |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnRButtonDown(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| int modifier, |
| double page_x, |
| double page_y); |
| /* |
| * Function: FORM_OnLButtonUp |
| * Call this member function when the user releases the left |
| * mouse button. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * page - Handle to the page, as returned by FPDF_LoadPage(). |
| * 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. |
| */ |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnLButtonUp(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| int modifier, |
| double page_x, |
| double page_y); |
| |
| /* |
| * Function: FORM_OnRButtonUp |
| * Same as above, execpt for the right mouse button. |
| * Comments: |
| * At the present time, has no effect except in XFA builds, but is |
| * included for the sake of symmetry. |
| */ |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnRButtonUp(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| int modifier, |
| double page_x, |
| double page_y); |
| |
| /* |
| * Function: FORM_OnLButtonDoubleClick |
| * Call this member function when the user double clicks the |
| * left mouse button. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * page - Handle to the page, as returned by FPDF_LoadPage(). |
| * 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. |
| */ |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV |
| FORM_OnLButtonDoubleClick(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| int modifier, |
| double page_x, |
| double page_y); |
| |
| /* |
| * Function: FORM_OnKeyDown |
| * Call this member function when a nonsystem key is pressed. |
| * Parameters: |
| * hHandle - Handle to the form fill module, aseturned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * page - Handle to the page, as returned by FPDF_LoadPage(). |
| * nKeyCode - The virtual-key code of the given key (see |
| * fpdf_fwlevent.h for virtual key codes). |
| * modifier - Mask of key flags (see fpdf_fwlevent.h for key |
| * flag values). |
| * Return Value: |
| * True indicates success; otherwise false. |
| */ |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnKeyDown(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| int nKeyCode, |
| int modifier); |
| |
| /* |
| * Function: FORM_OnKeyUp |
| * Call this member function when a nonsystem key is released. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * page - Handle to the page, as returned by FPDF_LoadPage(). |
| * nKeyCode - The virtual-key code of the given key (see |
| * fpdf_fwlevent.h for virtual key codes). |
| * modifier - Mask of key flags (see fpdf_fwlevent.h for key |
| * flag values). |
| * Return Value: |
| * True indicates success; otherwise false. |
| * Comments: |
| * Currently unimplemented and always returns false. PDFium reserves this |
| * API and may implement it in the future on an as-needed basis. |
| */ |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnKeyUp(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| int nKeyCode, |
| int modifier); |
| |
| /* |
| * Function: FORM_OnChar |
| * Call this member function when a keystroke translates to a |
| * nonsystem character. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * page - Handle to the page, as returned by FPDF_LoadPage(). |
| * nChar - The character code value itself. |
| * modifier - Mask of key flags (see fpdf_fwlevent.h for key |
| * flag values). |
| * Return Value: |
| * True indicates success; otherwise false. |
| */ |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_OnChar(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| int nChar, |
| int modifier); |
| |
| /* |
| * Experimental API |
| * Function: FORM_GetFocusedText |
| * Call this function to obtain the text within the current focused |
| * field, if any. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * page - Handle to the page, as returned by FPDF_LoadPage(). |
| * buffer - Buffer for holding the form text, encoded in |
| * UTF-16LE. If NULL, |buffer| is not modified. |
| * buflen - Length of |buffer| in bytes. If |buflen| is less |
| * than the length of the form text string, |buffer| is |
| * not modified. |
| * Return Value: |
| * Length in bytes for the text in the focused field. |
| */ |
| FPDF_EXPORT unsigned long FPDF_CALLCONV |
| FORM_GetFocusedText(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| void* buffer, |
| unsigned long buflen); |
| |
| /* |
| * Function: FORM_GetSelectedText |
| * Call this function to obtain selected text within a form text |
| * field or form combobox text field. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * page - Handle to the page, as returned by FPDF_LoadPage(). |
| * buffer - Buffer for holding the selected text, encoded in |
| * UTF-16LE. If NULL, |buffer| is not modified. |
| * buflen - Length of |buffer| in bytes. If |buflen| is less |
| * than the length of the selected text string, |
| * |buffer| is not modified. |
| * Return Value: |
| * Length in bytes of selected text in form text field or form combobox |
| * text field. |
| */ |
| FPDF_EXPORT unsigned long FPDF_CALLCONV |
| FORM_GetSelectedText(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| void* buffer, |
| unsigned long buflen); |
| |
| /* |
| * Experimental API |
| * Function: FORM_ReplaceAndKeepSelection |
| * Call this function to replace the selected text in a form |
| * text field or user-editable form combobox text field with another |
| * text string (which can be empty or non-empty). If there is no |
| * selected text, this function will append the replacement text after |
| * the current caret position. After the insertion, the inserted text |
| * will be selected. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * page - Handle to the page, as Returned by FPDF_LoadPage(). |
| * wsText - The text to be inserted, in UTF-16LE format. |
| * Return Value: |
| * None. |
| */ |
| FPDF_EXPORT void FPDF_CALLCONV |
| FORM_ReplaceAndKeepSelection(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| FPDF_WIDESTRING wsText); |
| |
| /* |
| * Function: FORM_ReplaceSelection |
| * Call this function to replace the selected text in a form |
| * text field or user-editable form combobox text field with another |
| * text string (which can be empty or non-empty). If there is no |
| * selected text, this function will append the replacement text after |
| * the current caret position. After the insertion, the selection range |
| * will be set to empty. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * page - Handle to the page, as Returned by FPDF_LoadPage(). |
| * wsText - The text to be inserted, in UTF-16LE format. |
| * Return Value: |
| * None. |
| */ |
| FPDF_EXPORT void FPDF_CALLCONV FORM_ReplaceSelection(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| FPDF_WIDESTRING wsText); |
| |
| /* |
| * Experimental API |
| * Function: FORM_SelectAllText |
| * Call this function to select all the text within the currently focused |
| * form text field or form combobox text field. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * page - Handle to the page, as returned by FPDF_LoadPage(). |
| * Return Value: |
| * Whether the operation succeeded or not. |
| */ |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV |
| FORM_SelectAllText(FPDF_FORMHANDLE hHandle, FPDF_PAGE page); |
| |
| /* |
| * Function: FORM_CanUndo |
| * Find out if it is possible for the current focused widget in a given |
| * form to perform an undo operation. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * page - Handle to the page, as returned by FPDF_LoadPage(). |
| * Return Value: |
| * True if it is possible to undo. |
| */ |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_CanUndo(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page); |
| |
| /* |
| * Function: FORM_CanRedo |
| * Find out if it is possible for the current focused widget in a given |
| * form to perform a redo operation. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * page - Handle to the page, as returned by FPDF_LoadPage(). |
| * Return Value: |
| * True if it is possible to redo. |
| */ |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_CanRedo(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page); |
| |
| /* |
| * Function: FORM_Undo |
| * Make the current focussed widget perform an undo operation. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * page - Handle to the page, as returned by FPDF_LoadPage(). |
| * Return Value: |
| * True if the undo operation succeeded. |
| */ |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_Undo(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page); |
| |
| /* |
| * Function: FORM_Redo |
| * Make the current focussed widget perform a redo operation. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * page - Handle to the page, as returned by FPDF_LoadPage(). |
| * Return Value: |
| * True if the redo operation succeeded. |
| */ |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FORM_Redo(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page); |
| |
| /* |
| * Function: FORM_ForceToKillFocus. |
| * Call this member function to force to kill the focus of the form |
| * field which has focus. If it would kill the focus of a form field, |
| * save the value of form field if was changed by theuser. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * Return Value: |
| * True indicates success; otherwise false. |
| */ |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV |
| FORM_ForceToKillFocus(FPDF_FORMHANDLE hHandle); |
| |
| /* |
| * Experimental API. |
| * Function: FORM_GetFocusedAnnot. |
| * Call this member function to get the currently focused annotation. |
| * Parameters: |
| * handle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * page_index - Buffer to hold the index number of the page which |
| * contains the focused annotation. 0 for the first page. |
| * Can't be NULL. |
| * annot - Buffer to hold the focused annotation. Can't be NULL. |
| * Return Value: |
| * On success, return true and write to the out parameters. Otherwise return |
| * false and leave the out parameters unmodified. |
| * Comments: |
| * Not currently supported for XFA forms - will report no focused |
| * annotation. |
| * Must call FPDFPage_CloseAnnot() when the annotation returned in |annot| |
| * by this function is no longer needed. |
| * This will return true and set |page_index| to -1 and |annot| to NULL, if |
| * there is no focused annotation. |
| */ |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV |
| FORM_GetFocusedAnnot(FPDF_FORMHANDLE handle, |
| int* page_index, |
| FPDF_ANNOTATION* annot); |
| |
| /* |
| * Experimental API. |
| * Function: FORM_SetFocusedAnnot. |
| * Call this member function to set the currently focused annotation. |
| * Parameters: |
| * handle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * annot - Handle to an annotation. |
| * Return Value: |
| * True indicates success; otherwise false. |
| * Comments: |
| * |annot| can't be NULL. To kill focus, use FORM_ForceToKillFocus() |
| * instead. |
| */ |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV |
| FORM_SetFocusedAnnot(FPDF_FORMHANDLE handle, FPDF_ANNOTATION annot); |
| |
| // Form Field Types |
| // The names of the defines are stable, but the specific values associated with |
| // them are not, so do not hardcode their values. |
| #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_SIGNATURE 7 // text field type. |
| #ifdef PDF_ENABLE_XFA |
| #define FPDF_FORMFIELD_XFA 8 // Generic XFA type. |
| #define FPDF_FORMFIELD_XFA_CHECKBOX 9 // XFA check box type. |
| #define FPDF_FORMFIELD_XFA_COMBOBOX 10 // XFA combo box type. |
| #define FPDF_FORMFIELD_XFA_IMAGEFIELD 11 // XFA image field type. |
| #define FPDF_FORMFIELD_XFA_LISTBOX 12 // XFA list box type. |
| #define FPDF_FORMFIELD_XFA_PUSHBUTTON 13 // XFA push button type. |
| #define FPDF_FORMFIELD_XFA_SIGNATURE 14 // XFA signture field type. |
| #define FPDF_FORMFIELD_XFA_TEXTFIELD 15 // XFA text field type. |
| #endif // PDF_ENABLE_XFA |
| |
| #ifdef PDF_ENABLE_XFA |
| #define FPDF_FORMFIELD_COUNT 16 |
| #else // PDF_ENABLE_XFA |
| #define FPDF_FORMFIELD_COUNT 8 |
| #endif // PDF_ENABLE_XFA |
| |
| #ifdef PDF_ENABLE_XFA |
| #define IS_XFA_FORMFIELD(type) \ |
| (((type) == FPDF_FORMFIELD_XFA) || \ |
| ((type) == FPDF_FORMFIELD_XFA_CHECKBOX) || \ |
| ((type) == FPDF_FORMFIELD_XFA_COMBOBOX) || \ |
| ((type) == FPDF_FORMFIELD_XFA_IMAGEFIELD) || \ |
| ((type) == FPDF_FORMFIELD_XFA_LISTBOX) || \ |
| ((type) == FPDF_FORMFIELD_XFA_PUSHBUTTON) || \ |
| ((type) == FPDF_FORMFIELD_XFA_SIGNATURE) || \ |
| ((type) == FPDF_FORMFIELD_XFA_TEXTFIELD)) |
| #endif // PDF_ENABLE_XFA |
| |
| /* |
| * 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. |
| */ |
| FPDF_EXPORT int FPDF_CALLCONV |
| FPDFPage_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(). |
| * page_x - X position in PDF "user space". |
| * page_y - Y position in PDF "user space". |
| * Return Value: |
| * Return the z-order of the form field; -1 indicates no field. |
| * Higher numbers are closer to the front. |
| */ |
| FPDF_EXPORT int FPDF_CALLCONV |
| FPDFPage_FormFieldZOrderAtPoint(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| double page_x, |
| double page_y); |
| |
| /* |
| * Function: FPDF_SetFormFieldHighlightColor |
| * Set the highlight color of the specified (or all) form fields |
| * in the document. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * doc - Handle to the document, as returned by |
| * FPDF_LoadDocument(). |
| * 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 FPDF_FORMFIELD_UNKNOWN, 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. |
| */ |
| FPDF_EXPORT void FPDF_CALLCONV |
| 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, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * doc - Handle to the document, as returaned by |
| * FPDF_LoadDocument(). |
| * alpha - The transparency of the form field highlight color, |
| * between 0-255. |
| * Return Value: |
| * None. |
| */ |
| FPDF_EXPORT void FPDF_CALLCONV |
| 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, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * Return Value: |
| * None. |
| * Comments: |
| * Please refresh the client window to remove the highlight immediately |
| * if necessary. |
| */ |
| FPDF_EXPORT void FPDF_CALLCONV |
| FPDF_RemoveFormFieldHighlight(FPDF_FORMHANDLE hHandle); |
| |
| /* |
| * Function: FPDF_FFLDraw |
| * Render FormFields and popup window on a page to a device independent |
| * bitmap. |
| * Parameters: |
| * hHandle - Handle to the form fill module, as returned by |
| * FPDFDOC_InitFormFillEnvironment(). |
| * bitmap - Handle to the device independent bitmap (as the |
| * output buffer). Bitmap handles can be created by |
| * FPDFBitmap_Create(). |
| * page - Handle to the page, as returned by FPDF_LoadPage(). |
| * start_x - Left pixel position of the display area in the |
| * device coordinates. |
| * start_y - Top pixel position of the display area in the device |
| * coordinates. |
| * 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 function is designed to render annotations that are |
| * user-interactive, which are widget annotations (for FormFields) and |
| * popup annotations. |
| * With the FPDF_ANNOT flag, this function will render a popup annotation |
| * when users mouse-hover on a non-widget annotation. Regardless of |
| * FPDF_ANNOT flag, this function will always render widget annotations |
| * for FormFields. |
| * In order to implement the FormFill functions, implementation should |
| * call this function after rendering functions, such as |
| * FPDF_RenderPageBitmap() or FPDF_RenderPageBitmap_Start(), have |
| * finished rendering the page contents. |
| */ |
| FPDF_EXPORT void FPDF_CALLCONV 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); |
| |
| #if defined(PDF_USE_SKIA) |
| FPDF_EXPORT void FPDF_CALLCONV FPDF_FFLDrawSkia(FPDF_FORMHANDLE hHandle, |
| FPDF_SKIA_CANVAS canvas, |
| FPDF_PAGE page, |
| int start_x, |
| int start_y, |
| int size_x, |
| int size_y, |
| int rotate, |
| int flags); |
| #endif |
| |
| /* |
| * Experimental API |
| * Function: FPDF_GetFormType |
| * Returns the type of form contained in the PDF document. |
| * Parameters: |
| * document - Handle to document. |
| * Return Value: |
| * Integer value representing one of the FORMTYPE_ values. |
| * Comments: |
| * If |document| is NULL, then the return value is FORMTYPE_NONE. |
| */ |
| FPDF_EXPORT int FPDF_CALLCONV FPDF_GetFormType(FPDF_DOCUMENT document); |
| |
| /* |
| * Experimental API |
| * Function: FORM_SetIndexSelected |
| * Selects/deselects the value at the given |index| of the focused |
| * annotation. |
| * Parameters: |
| * hHandle - Handle to the form fill module. Returned by |
| * FPDFDOC_InitFormFillEnvironment. |
| * page - Handle to the page. Returned by FPDF_LoadPage |
| * index - 0-based index of value to be set as |
| * selected/unselected |
| * selected - true to select, false to deselect |
| * Return Value: |
| * TRUE if the operation succeeded. |
| * FALSE if the operation failed or widget is not a supported type. |
| * Comments: |
| * Intended for use with listbox/combobox widget types. Comboboxes |
| * have at most a single value selected at a time which cannot be |
| * deselected. Deselect on a combobox is a no-op that returns false. |
| * Default implementation is a no-op that will return false for |
| * other types. |
| * Not currently supported for XFA forms - will return false. |
| */ |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV |
| FORM_SetIndexSelected(FPDF_FORMHANDLE hHandle, |
| FPDF_PAGE page, |
| int index, |
| FPDF_BOOL selected); |
| |
| /* |
| * Experimental API |
| * Function: FORM_IsIndexSelected |
| * Returns whether or not the value at |index| of the focused |
| * annotation is currently selected. |
| * Parameters: |
| * hHandle - Handle to the form fill module. Returned by |
| * FPDFDOC_InitFormFillEnvironment. |
| * page - Handle to the page. Returned by FPDF_LoadPage |
| * index - 0-based Index of value to check |
| * Return Value: |
| * TRUE if value at |index| is currently selected. |
| * FALSE if value at |index| is not selected or widget is not a |
| * supported type. |
| * Comments: |
| * Intended for use with listbox/combobox widget types. Default |
| * implementation is a no-op that will return false for other types. |
| * Not currently supported for XFA forms - will return false. |
| */ |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV |
| FORM_IsIndexSelected(FPDF_FORMHANDLE hHandle, FPDF_PAGE page, int index); |
| |
| /* |
| * Function: FPDF_LoadXFA |
| * If the document consists of XFA fields, call this method to |
| * attempt to load XFA fields. |
| * Parameters: |
| * document - Handle to document from FPDF_LoadDocument(). |
| * Return Value: |
| * TRUE upon success, otherwise FALSE. If XFA support is not built |
| * into PDFium, performs no action and always returns FALSE. |
| */ |
| FPDF_EXPORT FPDF_BOOL FPDF_CALLCONV FPDF_LoadXFA(FPDF_DOCUMENT document); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // PUBLIC_FPDF_FORMFILL_H_ |
