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19 
20 
21 #include "implbitmap.hxx"
22 #include "implbitmapcanvas.hxx"
23 
24 #include <osl/diagnose.h>
25 
26 
27 using namespace ::com::sun::star;
28 
29 namespace cppcanvas::internal
30 {
31 
ImplBitmap(const CanvasSharedPtr & rParentCanvas,const uno::Reference<rendering::XBitmap> & rBitmap)32         ImplBitmap::ImplBitmap( const CanvasSharedPtr&                      rParentCanvas,
33                                 const uno::Reference< rendering::XBitmap >& rBitmap ) :
34             CanvasGraphicHelper( rParentCanvas ),
35             mxBitmap( rBitmap ),
36             mpBitmapCanvas()
37         {
38             OSL_ENSURE( mxBitmap.is(), "ImplBitmap::ImplBitmap: no valid bitmap" );
39 
40             uno::Reference< rendering::XBitmapCanvas > xBitmapCanvas( rBitmap,
41                                                                       uno::UNO_QUERY );
42             if( xBitmapCanvas.is() )
43                 mpBitmapCanvas = std::make_shared<ImplBitmapCanvas>(
44                                           uno::Reference< rendering::XBitmapCanvas >(rBitmap,
45                                                                                      uno::UNO_QUERY) );
46         }
47 
~ImplBitmap()48         ImplBitmap::~ImplBitmap()
49         {
50         }
51 
draw() const52         bool ImplBitmap::draw() const
53         {
54             CanvasSharedPtr pCanvas( getCanvas() );
55 
56             OSL_ENSURE( pCanvas && pCanvas->getUNOCanvas().is(),
57                         "ImplBitmap::draw: invalid canvas" );
58 
59             if( !pCanvas ||
60                 !pCanvas->getUNOCanvas().is() )
61             {
62                 return false;
63             }
64 
65             // TODO(P1): implement caching
66             pCanvas->getUNOCanvas()->drawBitmap( mxBitmap,
67                                                  pCanvas->getViewState(),
68                                                  getRenderState() );
69 
70             return true;
71         }
72 
drawAlphaModulated(double nAlphaModulation) const73         void ImplBitmap::drawAlphaModulated( double nAlphaModulation ) const
74         {
75             CanvasSharedPtr pCanvas( getCanvas() );
76 
77             OSL_ENSURE( pCanvas && pCanvas->getUNOCanvas().is(),
78                         "ImplBitmap::drawAlphaModulated(): invalid canvas" );
79 
80             if( !pCanvas ||
81                 !pCanvas->getUNOCanvas().is() )
82             {
83                 return;
84             }
85 
86             rendering::RenderState aLocalState( getRenderState() );
87             uno::Sequence<rendering::ARGBColor> aCol { { nAlphaModulation, 1.0, 1.0, 1.0 } };
88             aLocalState.DeviceColor =
89                 pCanvas->getUNOCanvas()->getDevice()->getDeviceColorSpace()->convertFromARGB(aCol);
90 
91             // TODO(P1): implement caching
92             pCanvas->getUNOCanvas()->drawBitmapModulated( mxBitmap,
93                                                           pCanvas->getViewState(),
94                                                           aLocalState );
95         }
96 
getBitmapCanvas() const97         BitmapCanvasSharedPtr ImplBitmap::getBitmapCanvas() const
98         {
99             return mpBitmapCanvas;
100         }
101 
getUNOBitmap() const102         uno::Reference< rendering::XBitmap > ImplBitmap::getUNOBitmap() const
103         {
104             return mxBitmap;
105         }
106 }
107 
108 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
109