canvas/source/tools/cachedprimitivebase.cxx

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  30
  31 // MARKER(update_precomp.py): autogen include statement, do not remove
  32 #include "precompiled_canvas.hxx"
  33
  34 #include <canvas/debug.hxx>
  35 #include <canvas/base/cachedprimitivebase.hxx>
  36
  37 #include <com/sun/star/rendering/RepaintResult.hpp>
  38
  39 #include <basegfx/matrix/b2dhommatrix.hxx>
  40 #include <basegfx/tools/canvastools.hxx>
  41
  42
  43 using namespace ::com::sun::star;
  44
  45 #define IMPLEMENTATION_NAME "canvas::CachedPrimitiveBase"
  46 #define SERVICE_NAME "com.sun.star.rendering.CachedBitmap"
  47
  48 namespace canvas
  49 {
  50     CachedPrimitiveBase::CachedPrimitiveBase( const rendering::ViewState&                                       rUsedViewState,
  51                                               const uno::Reference< rendering::XCanvas >&       rTarget,
  52                                               bool                                                                                      bFailForChangedViewTransform ) :
  53         CachedPrimitiveBase_Base( m_aMutex ),
  54         maUsedViewState( rUsedViewState ),
  55         mxTarget( rTarget ),
  56         mbFailForChangedViewTransform( bFailForChangedViewTransform )
  57     {
  58     }
  59
  60     CachedPrimitiveBase::~CachedPrimitiveBase()
  61     {
  62     }
  63
  64     void SAL_CALL CachedPrimitiveBase::disposing()
  65     {
  66         ::osl::MutexGuard aGuard( m_aMutex );
  67
  68         maUsedViewState.Clip.clear();
  69         mxTarget.clear();
  70     }
  71
  72     sal_Int8 SAL_CALL CachedPrimitiveBase::redraw( const rendering::ViewState& aState ) throw (lang::IllegalArgumentException, uno::RuntimeException)
  73     {
  74         ::basegfx::B2DHomMatrix aUsedTransformation;
  75         ::basegfx::B2DHomMatrix aNewTransformation;
  76
  77         ::basegfx::unotools::homMatrixFromAffineMatrix( aUsedTransformation,
  78                                                         maUsedViewState.AffineTransform );
  79         ::basegfx::unotools::homMatrixFromAffineMatrix( aNewTransformation,
  80                                                         aState.AffineTransform );
  81
  82         const bool bSameViewTransforms( aUsedTransformation == aNewTransformation );
  83
  84         if( mbFailForChangedViewTransform &&
  85             !bSameViewTransforms )
  86         {
  87             // differing transformations, don't try to draft the
  88             // output, just plain fail here.
  89             return rendering::RepaintResult::FAILED;
  90         }
  91
  92         return doRedraw( aState,
  93                          maUsedViewState,
  94                          mxTarget,
  95                          bSameViewTransforms );
  96     }
  97
  98     ::rtl::OUString SAL_CALL CachedPrimitiveBase::getImplementationName(  ) throw (uno::RuntimeException)
  99     {
 100         return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) );
 101     }
 102
 103     sal_Bool SAL_CALL CachedPrimitiveBase::supportsService( const ::rtl::OUString& ServiceName ) throw (uno::RuntimeException)
 104     {
 105         return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ) );
 106     }
 107
 108     uno::Sequence< ::rtl::OUString > SAL_CALL CachedPrimitiveBase::getSupportedServiceNames(  ) throw (uno::RuntimeException)
 109     {
 110         uno::Sequence< ::rtl::OUString > aRet(1);
 111         aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) );
 112
 113         return aRet;
 114     }
 115 }