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19 
20 #ifndef INCLUDED_SLIDESHOW_SOURCE_INC_VIEW_HXX
21 #define INCLUDED_SLIDESHOW_SOURCE_INC_VIEW_HXX
22 
23 #include "viewlayer.hxx"
24 
25 #include <memory>
26 #include <vector>
27 
28 
29 namespace basegfx { class B2DRange; class B2DVector; }
30 
31 
32 /* Definition of View interface */
33 
34 namespace slideshow
35 {
36     namespace internal
37     {
38         class View : public ViewLayer
39         {
40         public:
41             /** Create a new view layer for this view
42 
43                 @param rLayerBounds
44                 Specifies the bound rect of the layer relative to the
45                 user view coordinate system.
46 
47                 This method sets the bounds of the view layer in
48                 document coordinates (i.e. 'logical' coordinates). The
49                 resulting transformation is then concatenated with the
50                 underlying view transformation, returned by the
51                 getTransformation() method.
52              */
53             virtual ViewLayerSharedPtr createViewLayer( const basegfx::B2DRange& rLayerBounds ) const = 0;
54 
55             /** Update screen representation from backbuffer
56              */
57             virtual bool updateScreen() const = 0;
58 
59             /** Paint screen content unconditionally from backbuffer
60              */
61             virtual bool paintScreen() const = 0;
62 
63             /** Set the size of the user view coordinate system.
64 
65                 This method sets the width and height of the view in
66                 document coordinates (i.e. 'logical' coordinates). The
67                 resulting transformation is then concatenated with the
68                 underlying view transformation, returned by the
69                 getTransformation() method.
70             */
71             virtual void setViewSize( const ::basegfx::B2DSize& ) = 0;
72 
73             /** Change the view's mouse cursor.
74 
75                 @param nPointerShape
76                 One of the css::awt::SystemPointer
77                 constant group members.
78              */
79             virtual void setCursorShape( sal_Int16 nPointerShape ) = 0;
80         };
81 
82         typedef std::shared_ptr< View >     ViewSharedPtr;
83         typedef std::vector< ViewSharedPtr >  ViewVector;
84     }
85 }
86 
87 #endif // INCLUDED_SLIDESHOW_SOURCE_INC_VIEW_HXX
88 
89 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
90