xref: /AOO41X/main/canvas/source/tools/cachedprimitivebase.cxx (revision cdf0e10c4e3984b49a9502b011690b615761d4a3)
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27*cdf0e10cSrcweir 
28*cdf0e10cSrcweir // MARKER(update_precomp.py): autogen include statement, do not remove
29*cdf0e10cSrcweir #include "precompiled_canvas.hxx"
30*cdf0e10cSrcweir 
31*cdf0e10cSrcweir #include <canvas/debug.hxx>
32*cdf0e10cSrcweir #include <canvas/base/cachedprimitivebase.hxx>
33*cdf0e10cSrcweir 
34*cdf0e10cSrcweir #include <com/sun/star/rendering/RepaintResult.hpp>
35*cdf0e10cSrcweir 
36*cdf0e10cSrcweir #include <basegfx/matrix/b2dhommatrix.hxx>
37*cdf0e10cSrcweir #include <basegfx/tools/canvastools.hxx>
38*cdf0e10cSrcweir 
39*cdf0e10cSrcweir 
40*cdf0e10cSrcweir using namespace ::com::sun::star;
41*cdf0e10cSrcweir 
42*cdf0e10cSrcweir #define IMPLEMENTATION_NAME "canvas::CachedPrimitiveBase"
43*cdf0e10cSrcweir #define SERVICE_NAME "com.sun.star.rendering.CachedBitmap"
44*cdf0e10cSrcweir 
45*cdf0e10cSrcweir namespace canvas
46*cdf0e10cSrcweir {
47*cdf0e10cSrcweir     CachedPrimitiveBase::CachedPrimitiveBase( const rendering::ViewState&					rUsedViewState,
48*cdf0e10cSrcweir                                               const uno::Reference< rendering::XCanvas >&	rTarget,
49*cdf0e10cSrcweir                                               bool											bFailForChangedViewTransform ) :
50*cdf0e10cSrcweir         CachedPrimitiveBase_Base( m_aMutex ),
51*cdf0e10cSrcweir         maUsedViewState( rUsedViewState ),
52*cdf0e10cSrcweir         mxTarget( rTarget ),
53*cdf0e10cSrcweir         mbFailForChangedViewTransform( bFailForChangedViewTransform )
54*cdf0e10cSrcweir     {
55*cdf0e10cSrcweir     }
56*cdf0e10cSrcweir 
57*cdf0e10cSrcweir     CachedPrimitiveBase::~CachedPrimitiveBase()
58*cdf0e10cSrcweir     {
59*cdf0e10cSrcweir     }
60*cdf0e10cSrcweir 
61*cdf0e10cSrcweir     void SAL_CALL CachedPrimitiveBase::disposing()
62*cdf0e10cSrcweir     {
63*cdf0e10cSrcweir         ::osl::MutexGuard aGuard( m_aMutex );
64*cdf0e10cSrcweir 
65*cdf0e10cSrcweir         maUsedViewState.Clip.clear();
66*cdf0e10cSrcweir         mxTarget.clear();
67*cdf0e10cSrcweir     }
68*cdf0e10cSrcweir 
69*cdf0e10cSrcweir     sal_Int8 SAL_CALL CachedPrimitiveBase::redraw( const rendering::ViewState& aState ) throw (lang::IllegalArgumentException, uno::RuntimeException)
70*cdf0e10cSrcweir     {
71*cdf0e10cSrcweir         ::basegfx::B2DHomMatrix aUsedTransformation;
72*cdf0e10cSrcweir         ::basegfx::B2DHomMatrix aNewTransformation;
73*cdf0e10cSrcweir 
74*cdf0e10cSrcweir         ::basegfx::unotools::homMatrixFromAffineMatrix( aUsedTransformation,
75*cdf0e10cSrcweir                                                         maUsedViewState.AffineTransform );
76*cdf0e10cSrcweir         ::basegfx::unotools::homMatrixFromAffineMatrix( aNewTransformation,
77*cdf0e10cSrcweir                                                         aState.AffineTransform );
78*cdf0e10cSrcweir 
79*cdf0e10cSrcweir         const bool bSameViewTransforms( aUsedTransformation == aNewTransformation );
80*cdf0e10cSrcweir 
81*cdf0e10cSrcweir         if( mbFailForChangedViewTransform &&
82*cdf0e10cSrcweir             !bSameViewTransforms )
83*cdf0e10cSrcweir         {
84*cdf0e10cSrcweir             // differing transformations, don't try to draft the
85*cdf0e10cSrcweir             // output, just plain fail here.
86*cdf0e10cSrcweir             return rendering::RepaintResult::FAILED;
87*cdf0e10cSrcweir         }
88*cdf0e10cSrcweir 
89*cdf0e10cSrcweir         return doRedraw( aState,
90*cdf0e10cSrcweir                          maUsedViewState,
91*cdf0e10cSrcweir                          mxTarget,
92*cdf0e10cSrcweir                          bSameViewTransforms );
93*cdf0e10cSrcweir     }
94*cdf0e10cSrcweir 
95*cdf0e10cSrcweir     ::rtl::OUString SAL_CALL CachedPrimitiveBase::getImplementationName(  ) throw (uno::RuntimeException)
96*cdf0e10cSrcweir     {
97*cdf0e10cSrcweir         return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) );
98*cdf0e10cSrcweir     }
99*cdf0e10cSrcweir 
100*cdf0e10cSrcweir     sal_Bool SAL_CALL CachedPrimitiveBase::supportsService( const ::rtl::OUString& ServiceName ) throw (uno::RuntimeException)
101*cdf0e10cSrcweir     {
102*cdf0e10cSrcweir         return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ) );
103*cdf0e10cSrcweir     }
104*cdf0e10cSrcweir 
105*cdf0e10cSrcweir     uno::Sequence< ::rtl::OUString > SAL_CALL CachedPrimitiveBase::getSupportedServiceNames(  ) throw (uno::RuntimeException)
106*cdf0e10cSrcweir     {
107*cdf0e10cSrcweir         uno::Sequence< ::rtl::OUString > aRet(1);
108*cdf0e10cSrcweir         aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) );
109*cdf0e10cSrcweir 
110*cdf0e10cSrcweir         return aRet;
111*cdf0e10cSrcweir     }
112*cdf0e10cSrcweir }
113