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27 
28 #ifndef _DXCANVAS_DEVICEHELPER_HXX
29 #define _DXCANVAS_DEVICEHELPER_HXX
30 
31 #include <com/sun/star/awt/Rectangle.hpp>
32 #include <com/sun/star/rendering/XGraphicDevice.hpp>
33 #include <com/sun/star/rendering/XBufferController.hpp>
34 
35 #include "dx_rendermodule.hxx"
36 #include "dx_bitmap.hxx"
37 
38 #include <canvas/rendering/isurfaceproxymanager.hxx>
39 
40 #include <boost/utility.hpp>
41 
42 
43 /* Definition of DeviceHelper class */
44 
45 namespace dxcanvas
46 {
47     class DeviceHelper : private ::boost::noncopyable
48     {
49     public:
50         DeviceHelper();
51 
52         /** Init the device helper
53 
54             @param hdc
55             private or class dc of the output device. is only stored,
56             not release
57 
58             @param rDevice
59             Ref back to owning UNO device
60          */
61         void init( HDC                                        hdc,
62                    com::sun::star::rendering::XGraphicDevice& rDevice );
63 
64         /// Dispose all internal references
65         void disposing();
66 
67         // XWindowGraphicDevice
68         ::com::sun::star::geometry::RealSize2D getPhysicalResolution();
69         ::com::sun::star::geometry::RealSize2D getPhysicalSize();
70         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XLinePolyPolygon2D > createCompatibleLinePolyPolygon(
71             const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& 								 rDevice,
72             const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealPoint2D > >& points );
73         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBezierPolyPolygon2D > createCompatibleBezierPolyPolygon(
74             const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& 								 		 rDevice,
75             const ::com::sun::star::uno::Sequence< ::com::sun::star::uno::Sequence< ::com::sun::star::geometry::RealBezierSegment2D > >& points );
76         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmap > createCompatibleBitmap(
77             const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& 	rDevice,
78             const ::com::sun::star::geometry::IntegerSize2D& 										size );
79         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XVolatileBitmap > createVolatileBitmap(
80             const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& 	rDevice,
81             const ::com::sun::star::geometry::IntegerSize2D& 										size );
82         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XBitmap > createCompatibleAlphaBitmap(
83             const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& 	rDevice,
84             const ::com::sun::star::geometry::IntegerSize2D& 										size );
85         ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XVolatileBitmap > createVolatileAlphaBitmap(
86             const ::com::sun::star::uno::Reference< ::com::sun::star::rendering::XGraphicDevice >& 	rDevice,
87             const ::com::sun::star::geometry::IntegerSize2D& 										size );
88 
89         sal_Bool hasFullScreenMode();
90         sal_Bool enterFullScreenMode( sal_Bool bEnter );
91 
92         ::com::sun::star::uno::Any isAccelerated() const;
93         ::com::sun::star::uno::Any getDeviceHandle() const;
94         ::com::sun::star::uno::Any getSurfaceHandle() const;
95         ::com::sun::star::uno::Reference<
96             ::com::sun::star::rendering::XColorSpace > getColorSpace() const;
97 
98         /** called when DumpScreenContent property is enabled on
99             XGraphicDevice, and writes out bitmaps of current screen.
100          */
101         void dumpScreenContent() const {}
102 
103     protected:
104         HDC getHDC() const { return mnHDC; }
105         com::sun::star::rendering::XGraphicDevice* getDevice() const { return mpDevice; }
106 
107     private:
108         /** Phyical output device
109 
110             Deliberately not a refcounted reference, because of
111             potential circular references for canvas. Needed to
112             create bitmaps
113          */
114         com::sun::star::rendering::XGraphicDevice* mpDevice;
115         HDC                                        mnHDC;
116     };
117 
118     typedef ::rtl::Reference< com::sun::star::rendering::XGraphicDevice > DeviceRef;
119 }
120 
121 #endif /* _DXCANVAS_DEVICEHELPER_HXX */
122