Attempt to fix some -Woverloaded-virtual warnings.
[pdfium.git] / fpdfsdk / include / fpdfsave.h
1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4  
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7 #ifndef _FPDFSAVE_H_
8 #define _FPDFSAVE_H_
9
10 #include "fpdfview.h"
11
12 #ifdef __cplusplus
13 extern "C" {
14 #endif
15
16
17 // Structure for custom file write
18 struct FPDF_FILEWRITE{
19
20         //
21         //Version number of the interface. Currently must be 1.
22         //
23         int version;
24
25         // 
26         // Method: WriteBlock
27         //                      Output a block of data in your custom way.
28         // Interface Version:
29         //                      1
30         // Implementation Required:
31         //                      Yes
32         // Comments:
33         //                      Called by function FPDF_SaveDocument
34         // Parameters:
35         //                      pThis           -       Pointer to the structure itself
36         //                      pData           -       Pointer to a buffer to output
37         //                      size            -       The size of the buffer.
38         // Return value:
39         //                      Should be non-zero if successful, zero for error.
40         //
41         int             (*WriteBlock)( FPDF_FILEWRITE* pThis, const void* pData, unsigned long size);
42
43 };
44
45
46 /** @brief Incremental. */
47 #define FPDF_INCREMENTAL                1
48 /** @brief No Incremental. */
49 #define FPDF_NO_INCREMENTAL             2
50 /** @brief Remove security. */
51 #define FPDF_REMOVE_SECURITY    3
52
53 // Function: FPDF_SaveAsCopy
54 //                      Saves the copy of specified document in custom way.
55 // Parameters:  
56 //                      document                -       Handle to document. Returned by FPDF_LoadDocument and FPDF_CreateNewDocument.
57 //                      pFileWrite              -       A pointer to a custom file write structure.
58 //                      flags                   -       The creating flags.
59 // Return value:
60 //                      TRUE for succeed, FALSE for failed.
61 //
62 DLLEXPORT FPDF_BOOL STDCALL FPDF_SaveAsCopy(    FPDF_DOCUMENT document,FPDF_FILEWRITE * pFileWrite,
63                                                                                                 FPDF_DWORD flags );
64
65 // Function: FPDF_SaveWithVersion
66 //                      Same as function ::FPDF_SaveAsCopy, except the file version of the saved document could be specified by user.
67 // Parameters:  
68 //                      document                -       Handle to document.
69 //                      pFileWrite              -       A pointer to a custom file write structure.
70 //                      flags                   -       The creating flags.
71 //                      fileVersion             -       The PDF file version. File version: 14 for 1.4, 15 for 1.5, ...
72 // Return value:
73 //                      TRUE if succeed, FALSE if failed.
74 //
75 DLLEXPORT FPDF_BOOL STDCALL FPDF_SaveWithVersion(FPDF_DOCUMENT document,FPDF_FILEWRITE * pFileWrite,
76         FPDF_DWORD flags, int fileVersion);
77
78 #ifdef __cplusplus
79 };
80 #endif
81
82 #endif //_FPDFSAVE_H_