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18  */
19 
20 #include <sal/config.h>
21 
22 #include <basegfx/matrix/b2dhommatrix.hxx>
23 #include <basegfx/utils/canvastools.hxx>
24 #include <com/sun/star/rendering/RepaintResult.hpp>
25 #include <cppuhelper/supportsservice.hxx>
26 
27 #include <base/cachedprimitivebase.hxx>
28 
29 
30 using namespace ::com::sun::star;
31 
32 namespace canvas
33 {
CachedPrimitiveBase(const rendering::ViewState & rUsedViewState,const uno::Reference<rendering::XCanvas> & rTarget)34     CachedPrimitiveBase::CachedPrimitiveBase( const rendering::ViewState&                   rUsedViewState,
35                                               const uno::Reference< rendering::XCanvas >&   rTarget ) :
36         CachedPrimitiveBase_Base( m_aMutex ),
37         maUsedViewState( rUsedViewState ),
38         mxTarget( rTarget )
39     {
40     }
41 
~CachedPrimitiveBase()42     CachedPrimitiveBase::~CachedPrimitiveBase()
43     {
44     }
45 
disposing()46     void SAL_CALL CachedPrimitiveBase::disposing()
47     {
48         ::osl::MutexGuard aGuard( m_aMutex );
49 
50         maUsedViewState.Clip.clear();
51         mxTarget.clear();
52     }
53 
redraw(const rendering::ViewState & aState)54     sal_Int8 SAL_CALL CachedPrimitiveBase::redraw( const rendering::ViewState& aState )
55     {
56         ::basegfx::B2DHomMatrix aUsedTransformation;
57         ::basegfx::B2DHomMatrix aNewTransformation;
58 
59         ::basegfx::unotools::homMatrixFromAffineMatrix( aUsedTransformation,
60                                                         maUsedViewState.AffineTransform );
61         ::basegfx::unotools::homMatrixFromAffineMatrix( aNewTransformation,
62                                                         aState.AffineTransform );
63 
64         const bool bSameViewTransforms( aUsedTransformation == aNewTransformation );
65 
66         if( !bSameViewTransforms )
67         {
68             // differing transformations, don't try to draft the
69             // output, just plain fail here.
70             return rendering::RepaintResult::FAILED;
71         }
72 
73         return doRedraw( aState,
74                          maUsedViewState,
75                          mxTarget,
76                          bSameViewTransforms );
77     }
78 
getImplementationName()79     OUString SAL_CALL CachedPrimitiveBase::getImplementationName(  )
80     {
81         return "canvas::CachedPrimitiveBase";
82     }
83 
supportsService(const OUString & ServiceName)84     sal_Bool SAL_CALL CachedPrimitiveBase::supportsService( const OUString& ServiceName )
85     {
86         return cppu::supportsService(this, ServiceName);
87     }
88 
getSupportedServiceNames()89     uno::Sequence< OUString > SAL_CALL CachedPrimitiveBase::getSupportedServiceNames(  )
90     {
91         return { "com.sun.star.rendering.CachedBitmap" };
92     }
93 }
94 
95 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
96