xref: /AOO41X/main/extensions/source/scanner/twain.hxx (revision 46dbaceef8c12a09e4905feda473ecab36e10d03)
1 /**************************************************************
2  *
3  * Licensed to the Apache Software Foundation (ASF) under one
4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
7  * to you under the Apache License, Version 2.0 (the
8  * "License"); you may not use this file except in compliance
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11  *   http://www.apache.org/licenses/LICENSE-2.0
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16  * KIND, either express or implied.  See the License for the
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20  *************************************************************/
21 
22 
23 
24 #ifndef _TWAIN_HXX
25 #define _TWAIN_HXX
26 
27 #include <vos/module.hxx>
28 #include <vcl/bitmap.hxx>
29 #include "twain/twain.h"
30 
31 
32 // -----------
33 // - Defines -
34 // -----------
35 
36 #define TWAIN_SELECT            0x00000001UL
37 #define TWAIN_ACQUIRE           0x00000002UL
38 #define TWAIN_TERMINATE         0xFFFFFFFFUL
39 
40 #define TWAIN_EVENT_NONE        0x00000000UL
41 #define TWAIN_EVENT_QUIT        0x00000001UL
42 #define TWAIN_EVENT_SCANNING    0x00000002UL
43 #define TWAIN_EVENT_XFER        0x00000004UL
44 
45 // ------------
46 // - ImpTwain -
47 // ------------
48 
49 class ImpTwain
50 {
51     TW_IDENTITY                 aAppIdent;
52     TW_IDENTITY                 aSrcIdent;
53     Link                        aNotifyLink;
54     Bitmap                      aBitmap;
55     DSMENTRYPROC                pDSM;
56     vos:: OModule * pMod;
57     sal_uLong                       nCurState;
58 
59     void                        ImplCreate();
60     void                        ImplOpenSourceManager();
61     void                        ImplOpenSource();
62     sal_Bool                        ImplEnableSource();
63     void                        ImplXfer();
64     void                        ImplFallback( sal_uLong nEvent );
65 
66                                 DECL_LINK( ImplFallbackHdl, void* );
67                                 DECL_LINK( ImplDestroyHdl, void* );
68 
69 public:
70 
71     sal_Bool                        ImplHandleMsg( void* pMsg );
72 
73 #ifdef OS2
74     HAB                         hAB;
75     HWND                        hTwainWnd;
76     long                        hTwainHook;
77 #else
78     HWND                        hTwainWnd;
79     HHOOK                       hTwainHook;
80 #endif
81 
82 public:
83 
84                                 ImpTwain( const Link& rNotifyLink );
85                                 ~ImpTwain();
86 
87     void                        Destroy();
88 
89     sal_Bool                        SelectSource();
90     sal_Bool                        InitXfer();
91     Bitmap                      GetXferBitmap();
92 };
93 
94 #endif // _TWAIN_HXX
95