| // Copyright 2014 PDFium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com |
| |
| #ifndef PUBLIC_FPDF_DOC_H_ |
| #define PUBLIC_FPDF_DOC_H_ |
| |
| #include "fpdfview.h" |
| |
| // Exported Functions |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| // Function: FPDFBookmark_GetFirstChild |
| // Get the first child of a bookmark item, or the first top level bookmark item. |
| // Parameters: |
| // document - Handle to the document. Returned by FPDF_LoadDocument or FPDF_LoadMemDocument. |
| // bookmark - Handle to the current bookmark. Can be NULL if you want to get the first top level item. |
| // Return value: |
| // Handle to the first child or top level bookmark item. NULL if no child or top level bookmark found. |
| // |
| DLLEXPORT FPDF_BOOKMARK STDCALL FPDFBookmark_GetFirstChild(FPDF_DOCUMENT document, FPDF_BOOKMARK bookmark); |
| |
| // Function: FPDFBookmark_GetNextSibling |
| // Get next bookmark item at the same level. |
| // Parameters: |
| // document - Handle to the document. Returned by FPDF_LoadDocument or FPDF_LoadMemDocument. |
| // bookmark - Handle to the current bookmark. Cannot be NULL. |
| // Return value: |
| // Handle to the next bookmark item at the same level. NULL if this is the last bookmark at this level. |
| // |
| DLLEXPORT FPDF_BOOKMARK STDCALL FPDFBookmark_GetNextSibling(FPDF_DOCUMENT document, FPDF_BOOKMARK bookmark); |
| |
| // Function: FPDFBookmark_GetTitle |
| // Get title of a bookmark. |
| // Parameters: |
| // bookmark - Handle to the bookmark. |
| // buffer - Buffer for the title. Can be NULL. |
| // buflen - The length of the buffer in bytes. Can be 0. |
| // Return value: |
| // Number of bytes the title consumes, including trailing zeros. |
| // Comments: |
| // Regardless of the platform, the title is always in UTF-16LE encoding. That means the buffer |
| // can be treated as an array of WORD (on Intel and compatible CPUs), each WORD representing the Unicode of |
| // a character(some special Unicode may take 2 WORDs).The string is followed by two bytes of zero |
| // indicating the end of the string. |
| // |
| // The return value always indicates the number of bytes required for the buffer, even if no buffer is specified |
| // or the buffer size is less then required. In these cases, the buffer will not be modified. |
| // |
| DLLEXPORT unsigned long STDCALL FPDFBookmark_GetTitle(FPDF_BOOKMARK bookmark, void* buffer, unsigned long buflen); |
| |
| // Function: FPDFBookmark_Find |
| // Find a bookmark in the document, using the bookmark title. |
| // Parameters: |
| // document - Handle to the document. Returned by FPDF_LoadDocument or FPDF_LoadMemDocument. |
| // title - The UTF-16LE encoded Unicode string for the bookmark title to be searched. Can't be NULL. |
| // Return value: |
| // Handle to the found bookmark item. NULL if the title can't be found. |
| // Comments: |
| // It always returns the first found bookmark if more than one bookmarks have the same title. |
| // |
| DLLEXPORT FPDF_BOOKMARK STDCALL FPDFBookmark_Find(FPDF_DOCUMENT document, FPDF_WIDESTRING title); |
| |
| // Function: FPDFBookmark_GetDest |
| // Get the destination associated with a bookmark item. |
| // Parameters: |
| // document - Handle to the document. |
| // bookmark - Handle to the bookmark. |
| // Return value: |
| // Handle to the destination data. NULL if no destination is associated with this bookmark. |
| // |
| DLLEXPORT FPDF_DEST STDCALL FPDFBookmark_GetDest(FPDF_DOCUMENT document, FPDF_BOOKMARK bookmark); |
| |
| // Function: FPDFBookmark_GetAction |
| // Get the action associated with a bookmark item. |
| // Parameters: |
| // bookmark - Handle to the bookmark. |
| // Return value: |
| // Handle to the action data. NULL if no action is associated with this bookmark. In this case, the |
| // application should try FPDFBookmark_GetDest. |
| // |
| DLLEXPORT FPDF_ACTION STDCALL FPDFBookmark_GetAction(FPDF_BOOKMARK bookmark); |
| |
| #define PDFACTION_UNSUPPORTED 0 // Unsupported action type. |
| #define PDFACTION_GOTO 1 // Go to a destination within current document. |
| #define PDFACTION_REMOTEGOTO 2 // Go to a destination within another document. |
| #define PDFACTION_URI 3 // Universal Resource Identifier, including web pages and |
| // other Internet based resources. |
| #define PDFACTION_LAUNCH 4 // Launch an application or open a file. |
| |
| // Function: FPDFAction_GetType |
| // Get type of an action. |
| // Parameters: |
| // action - Handle to the action. |
| // Return value: |
| // A type number as defined above. |
| // |
| DLLEXPORT unsigned long STDCALL FPDFAction_GetType(FPDF_ACTION action); |
| |
| // Function: FPDFAction_GetDest |
| // Get destination of an action. |
| // Parameters: |
| // document - Handle to the document. |
| // action - Handle to the action. It must be a GOTO or REMOTEGOTO action. |
| // Return value: |
| // Handle to the destination data. |
| // Comments: |
| // In case of remote goto action, the application should first use FPDFAction_GetFilePath to |
| // get file path, then load that particular document, and use its document handle to call this |
| // function. |
| // |
| DLLEXPORT FPDF_DEST STDCALL FPDFAction_GetDest(FPDF_DOCUMENT document, FPDF_ACTION action); |
| |
| // Function: FPDFAction_GetURIPath |
| // Get URI path of a URI action. |
| // Parameters: |
| // document - Handle to the document. |
| // action - Handle to the action. Must be a URI action. |
| // buffer - A buffer for output the path string. Can be NULL. |
| // buflen - The length of the buffer, number of bytes. Can be 0. |
| // Return value: |
| // Number of bytes the URI path consumes, including trailing zeros. |
| // Comments: |
| // The URI path is always encoded in 7-bit ASCII. |
| // |
| // 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. |
| // |
| DLLEXPORT unsigned long STDCALL FPDFAction_GetURIPath(FPDF_DOCUMENT document, FPDF_ACTION action, |
| void* buffer, unsigned long buflen); |
| |
| // Function: FPDFDest_GetPageIndex |
| // Get page index of a destination. |
| // Parameters: |
| // document - Handle to the document. |
| // dest - Handle to the destination. |
| // Return value: |
| // The page index. Starting from 0 for the first page. |
| // |
| DLLEXPORT unsigned long STDCALL FPDFDest_GetPageIndex(FPDF_DOCUMENT document, FPDF_DEST dest); |
| |
| // Function: FPDFLink_GetLinkAtPoint |
| // Find a link at specified point on a document page. |
| // Parameters: |
| // page - Handle to the document page. |
| // x - The x coordinate of the point, specified in page coordinate system. |
| // y - The y coordinate of the point, specified in page coordinate system. |
| // Return value: |
| // Handle to the link. NULL if no link found at that point. |
| // Comments: |
| // The point coordinates are specified in page coordinate system. You can convert coordinates |
| // from screen system to page system using FPDF_DeviceToPage functions. |
| // |
| DLLEXPORT FPDF_LINK STDCALL FPDFLink_GetLinkAtPoint(FPDF_PAGE page, double x, double y); |
| |
| // Function: FPDFLink_GetDest |
| // Get destination info of a link. |
| // Parameters: |
| // document - Handle to the document. |
| // link - Handle to the link. Returned by FPDFLink_GetLinkAtPoint. |
| // Return value: |
| // Handle to the destination. NULL if there is no destination associated with the link, in this case |
| // the application should try FPDFLink_GetAction. |
| // |
| DLLEXPORT FPDF_DEST STDCALL FPDFLink_GetDest(FPDF_DOCUMENT document, FPDF_LINK link); |
| |
| // Function: FPDFLink_GetAction |
| // Get action info of a link. |
| // Parameters: |
| // link - Handle to the link. |
| // Return value: |
| // Handle to the action. NULL if there is no action associated with the link. |
| // |
| DLLEXPORT FPDF_ACTION STDCALL FPDFLink_GetAction(FPDF_LINK link); |
| |
| // Function: FPDFLink_Enumerate |
| // This function would enumerate all the link annotations in a single PDF page. |
| // Parameters: |
| // page[in] - Handle to the page. |
| // startPos[in,out] - The start position to enumerate the link annotations, which should be specified to start from |
| // - 0 for the first call, and would receive the next position for enumerating to start from. |
| // linkAnnot[out] - Receive the link handle. |
| // Return value: |
| // TRUE if succceed, else False; |
| // |
| DLLEXPORT FPDF_BOOL STDCALL FPDFLink_Enumerate(FPDF_PAGE page, int* startPos, FPDF_LINK* linkAnnot); |
| |
| // Function: FPDFLink_GetAnnotRect |
| // Get the annotation rectangle. (Specified by the ¡°Rect¡± entry of annotation dictionary). |
| // Parameters: |
| // linkAnnot[in] - Handle to the link annotation. |
| // rect[out] - The annotation rect. |
| // Return value: |
| // TRUE if succceed, else False; |
| // |
| DLLEXPORT FPDF_BOOL STDCALL FPDFLink_GetAnnotRect(FPDF_LINK linkAnnot, FS_RECTF* rect); |
| |
| // Function: FPDFLink_CountQuadPoints |
| // Get the count of quadrilateral points to the link annotation. |
| // Parameters: |
| // linkAnnot[in] - Handle to the link annotation. |
| // Return value: |
| // The count of quadrilateral points. |
| // |
| DLLEXPORT int STDCALL FPDFLink_CountQuadPoints(FPDF_LINK linkAnnot); |
| |
| /* _FS_DEF_STRUCTURE_QUADPOINTSF_ */ |
| #ifndef _FS_DEF_STRUCTURE_QUADPOINTSF_ |
| #define _FS_DEF_STRUCTURE_QUADPOINTSF_ |
| typedef struct _FS_QUADPOINTSF |
| { |
| FS_FLOAT x1; |
| FS_FLOAT y1; |
| FS_FLOAT x2; |
| FS_FLOAT y2; |
| FS_FLOAT x3; |
| FS_FLOAT y3; |
| FS_FLOAT x4; |
| FS_FLOAT y4; |
| } FS_QUADPOINTSF; |
| #endif /* _FS_DEF_STRUCTURE_QUADPOINTSF_ */ |
| |
| // Function: FPDFLink_GetQuadPoints |
| // Get the quadrilateral points for the specified index in the link annotation. |
| // Parameters: |
| // linkAnnot[in] - Handle to the link annotation. |
| // quadIndex[in] - The specified quad points index. |
| // quadPoints[out] - Receive the quadrilateral points. |
| // Return value: |
| // True if succeed, else False. |
| // |
| DLLEXPORT FPDF_BOOL STDCALL FPDFLink_GetQuadPoints(FPDF_LINK linkAnnot, int quadIndex, FS_QUADPOINTSF* quadPoints); |
| |
| // Function: FPDF_GetMetaText |
| // Get a text from meta data of the document. Result is encoded in UTF-16LE. |
| // Parameters: |
| // doc - Handle to a document |
| // tag - The tag for the meta data. Currently, It can be "Title", "Author", |
| // "Subject", "Keywords", "Creator", "Producer", "CreationDate", or "ModDate". |
| // For detailed explanation of these tags and their respective values, |
| // please refer to PDF Reference 1.6, section 10.2.1, "Document Information Dictionary". |
| // buffer - A buffer for output the title. Can be NULL. |
| // buflen - The length of the buffer, number of bytes. Can be 0. |
| // Return value: |
| // Number of bytes the title consumes, including trailing zeros. |
| // Comments: |
| // No matter on what platform, the title is always output in UTF-16LE encoding, which means the buffer |
| // can be regarded as an array of WORD (on Intel and compatible CPUs), each WORD represent the Unicode of |
| // a character (some special Unicode may take 2 WORDs). The string is followed by two bytes of zero |
| // indicating end of the string. |
| // |
| // 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. |
| // |
| DLLEXPORT unsigned long STDCALL FPDF_GetMetaText(FPDF_DOCUMENT doc, FPDF_BYTESTRING tag, |
| void* buffer, unsigned long buflen); |
| |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif // PUBLIC_FPDF_DOC_H_ |