extensions/source/scanner/twain.hxx

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  30
  31 #ifndef _TWAIN_HXX
  32 #define _TWAIN_HXX
  33
  34 #include <vos/module.hxx>
  35 #include <vcl/bitmap.hxx>
  36 #include "twain/twain.h"
  37
  38
  39 // -----------
  40 // - Defines -
  41 // -----------
  42
  43 #define TWAIN_SELECT                    0x00000001UL
  44 #define TWAIN_ACQUIRE                   0x00000002UL
  45 #define TWAIN_TERMINATE                 0xFFFFFFFFUL
  46
  47 #define TWAIN_EVENT_NONE                0x00000000UL
  48 #define TWAIN_EVENT_QUIT                0x00000001UL
  49 #define TWAIN_EVENT_SCANNING    0x00000002UL
  50 #define TWAIN_EVENT_XFER                0x00000004UL
  51
  52 // ------------
  53 // - ImpTwain -
  54 // ------------
  55
  56 class ImpTwain
  57 {
  58     TW_IDENTITY                                 aAppIdent;
  59     TW_IDENTITY                                 aSrcIdent;
  60     Link                                                aNotifyLink;
  61     Bitmap                                              aBitmap;
  62     DSMENTRYPROC                                pDSM;
  63     NAMESPACE_VOS( OModule )*   pMod;
  64     ULONG                                               nCurState;
  65
  66     void                                                ImplCreate();
  67     void                                                ImplOpenSourceManager();
  68     void                                                ImplOpenSource();
  69     BOOL                                                ImplEnableSource();
  70     void                                                ImplXfer();
  71     void                                                ImplFallback( ULONG nEvent );
  72
  73                                 DECL_LINK( ImplFallbackHdl, void* );
  74                                 DECL_LINK( ImplDestroyHdl, void* );
  75
  76 public:
  77
  78     BOOL                                                ImplHandleMsg( void* pMsg );
  79
  80 #ifdef OS2
  81     HAB                                                 hAB;
  82     HWND                                                hTwainWnd;
  83     long                                                hTwainHook;
  84 #else
  85     HWND                                                hTwainWnd;
  86     HHOOK                                               hTwainHook;
  87 #endif
  88
  89 public:
  90
  91                                 ImpTwain( const Link& rNotifyLink );
  92                                 ~ImpTwain();
  93
  94     void                                                Destroy();
  95
  96     BOOL                                                SelectSource();
  97     BOOL                                                InitXfer();
  98     Bitmap                                              GetXferBitmap();
  99 };
 100
 101 #endif // _TWAIN_HXX