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27*cdf0e10cSrcweir 
28*cdf0e10cSrcweir #ifndef INCLUDED_SLIDESHOW_USERPAINTEVENTHANDLER_HXX
29*cdf0e10cSrcweir #define INCLUDED_SLIDESHOW_USERPAINTEVENTHANDLER_HXX
30*cdf0e10cSrcweir 
31*cdf0e10cSrcweir #include <boost/shared_ptr.hpp>
32*cdf0e10cSrcweir 
33*cdf0e10cSrcweir /* Definition of UserPaintEventHandler interface */
34*cdf0e10cSrcweir 
35*cdf0e10cSrcweir namespace slideshow
36*cdf0e10cSrcweir {
37*cdf0e10cSrcweir     namespace internal
38*cdf0e10cSrcweir     {
39*cdf0e10cSrcweir         class RGBColor;
40*cdf0e10cSrcweir 
41*cdf0e10cSrcweir         /** Interface for handling user paint state changes.
42*cdf0e10cSrcweir 
43*cdf0e10cSrcweir         	Classes implementing this interface can be added to an
44*cdf0e10cSrcweir         	EventMultiplexer object, and are called from there to
45*cdf0e10cSrcweir         	handle user paint events.
46*cdf0e10cSrcweir          */
47*cdf0e10cSrcweir         class UserPaintEventHandler
48*cdf0e10cSrcweir         {
49*cdf0e10cSrcweir         public:
50*cdf0e10cSrcweir             virtual ~UserPaintEventHandler() {}
51*cdf0e10cSrcweir             virtual bool colorChanged( RGBColor const& rUserColor ) = 0;
52*cdf0e10cSrcweir 	    virtual bool widthChanged( double nUserStrokeWidth ) = 0;
53*cdf0e10cSrcweir 	    virtual bool eraseAllInkChanged(bool const& rEraseAllInk) =0;
54*cdf0e10cSrcweir             virtual bool eraseInkWidthChanged(sal_Int32 rEraseInkSize) =0;
55*cdf0e10cSrcweir             virtual bool switchEraserMode() = 0;
56*cdf0e10cSrcweir             virtual bool switchPenMode() = 0;
57*cdf0e10cSrcweir             virtual bool disable() = 0;
58*cdf0e10cSrcweir         };
59*cdf0e10cSrcweir 
60*cdf0e10cSrcweir         typedef ::boost::shared_ptr< UserPaintEventHandler > UserPaintEventHandlerSharedPtr;
61*cdf0e10cSrcweir 
62*cdf0e10cSrcweir     }
63*cdf0e10cSrcweir }
64*cdf0e10cSrcweir 
65*cdf0e10cSrcweir #endif /* INCLUDED_SLIDESHOW_USERPAINTEVENTHANDLER_HXX */
66