extensions/source/scanner/twain.hxx

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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     NAMESPACE_VOS( OModule )*   pMod;
  61     ULONG                       nCurState;
  62
  63     void                        ImplCreate();
  64     void                        ImplOpenSourceManager();
  65     void                        ImplOpenSource();
  66     BOOL                        ImplEnableSource();
  67     void                        ImplXfer();
  68     void                        ImplFallback( ULONG nEvent );
  69
  70                                 DECL_LINK( ImplFallbackHdl, void* );
  71                                 DECL_LINK( ImplDestroyHdl, void* );
  72
  73 public:
  74
  75     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     BOOL                        SelectSource();
  94     BOOL                        InitXfer();
  95     Bitmap                      GetXferBitmap();
  96 };
  97
  98 #endif // _TWAIN_HXX