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27 
28 #ifndef _TWAIN_HXX
29 #define _TWAIN_HXX
30 
31 #include <vos/module.hxx>
32 #include <vcl/bitmap.hxx>
33 #include "twain/twain.h"
34 
35 
36 // -----------
37 // - Defines -
38 // -----------
39 
40 #define TWAIN_SELECT			0x00000001UL
41 #define TWAIN_ACQUIRE			0x00000002UL
42 #define TWAIN_TERMINATE			0xFFFFFFFFUL
43 
44 #define TWAIN_EVENT_NONE		0x00000000UL
45 #define TWAIN_EVENT_QUIT		0x00000001UL
46 #define TWAIN_EVENT_SCANNING	0x00000002UL
47 #define TWAIN_EVENT_XFER		0x00000004UL
48 
49 // ------------
50 // - ImpTwain -
51 // ------------
52 
53 class ImpTwain
54 {
55 	TW_IDENTITY					aAppIdent;
56 	TW_IDENTITY					aSrcIdent;
57 	Link						aNotifyLink;
58 	Bitmap						aBitmap;
59 	DSMENTRYPROC				pDSM;
60 	vos:: OModule *	pMod;
61 	sal_uLong						nCurState;
62 
63 	void						ImplCreate();
64 	void						ImplOpenSourceManager();
65 	void						ImplOpenSource();
66 	sal_Bool						ImplEnableSource();
67 	void						ImplXfer();
68 	void						ImplFallback( sal_uLong nEvent );
69 
70 								DECL_LINK( ImplFallbackHdl, void* );
71 								DECL_LINK( ImplDestroyHdl, void* );
72 
73 public:
74 
75 	sal_Bool						ImplHandleMsg( void* pMsg );
76 
77 #ifdef OS2
78 	HAB							hAB;
79 	HWND						hTwainWnd;
80 	long						hTwainHook;
81 #else
82 	HWND						hTwainWnd;
83 	HHOOK						hTwainHook;
84 #endif
85 
86 public:
87 
88 								ImpTwain( const Link& rNotifyLink );
89 								~ImpTwain();
90 
91 	void						Destroy();
92 
93 	sal_Bool						SelectSource();
94 	sal_Bool						InitXfer();
95 	Bitmap						GetXferBitmap();
96 };
97 
98 #endif // _TWAIN_HXX
99