1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
|
// 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 _FPDFDOC_H_
#define _FPDFDOC_H_
#include "fpdfview.h"
// Exported Functions
#ifdef __cplusplus
extern "C" {
#endif
// 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 // _FPDFDOC_H_
|