office-gobmx/canvas/source/tools/cachedprimitivebase.cxx
2011-11-27 12:57:22 -06:00

113 lines
4.2 KiB
C++

/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#include <canvas/debug.hxx>
#include <canvas/base/cachedprimitivebase.hxx>
#include <com/sun/star/rendering/RepaintResult.hpp>
#include <basegfx/matrix/b2dhommatrix.hxx>
#include <basegfx/tools/canvastools.hxx>
using namespace ::com::sun::star;
#define IMPLEMENTATION_NAME "canvas::CachedPrimitiveBase"
#define SERVICE_NAME "com.sun.star.rendering.CachedBitmap"
namespace canvas
{
CachedPrimitiveBase::CachedPrimitiveBase( const rendering::ViewState& rUsedViewState,
const uno::Reference< rendering::XCanvas >& rTarget,
bool bFailForChangedViewTransform ) :
CachedPrimitiveBase_Base( m_aMutex ),
maUsedViewState( rUsedViewState ),
mxTarget( rTarget ),
mbFailForChangedViewTransform( bFailForChangedViewTransform )
{
}
CachedPrimitiveBase::~CachedPrimitiveBase()
{
}
void SAL_CALL CachedPrimitiveBase::disposing()
{
::osl::MutexGuard aGuard( m_aMutex );
maUsedViewState.Clip.clear();
mxTarget.clear();
}
sal_Int8 SAL_CALL CachedPrimitiveBase::redraw( const rendering::ViewState& aState ) throw (lang::IllegalArgumentException, uno::RuntimeException)
{
::basegfx::B2DHomMatrix aUsedTransformation;
::basegfx::B2DHomMatrix aNewTransformation;
::basegfx::unotools::homMatrixFromAffineMatrix( aUsedTransformation,
maUsedViewState.AffineTransform );
::basegfx::unotools::homMatrixFromAffineMatrix( aNewTransformation,
aState.AffineTransform );
const bool bSameViewTransforms( aUsedTransformation == aNewTransformation );
if( mbFailForChangedViewTransform &&
!bSameViewTransforms )
{
// differing transformations, don't try to draft the
// output, just plain fail here.
return rendering::RepaintResult::FAILED;
}
return doRedraw( aState,
maUsedViewState,
mxTarget,
bSameViewTransforms );
}
::rtl::OUString SAL_CALL CachedPrimitiveBase::getImplementationName( ) throw (uno::RuntimeException)
{
return ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM( IMPLEMENTATION_NAME ) );
}
sal_Bool SAL_CALL CachedPrimitiveBase::supportsService( const ::rtl::OUString& ServiceName ) throw (uno::RuntimeException)
{
return ServiceName.equalsAsciiL( RTL_CONSTASCII_STRINGPARAM ( SERVICE_NAME ) );
}
uno::Sequence< ::rtl::OUString > SAL_CALL CachedPrimitiveBase::getSupportedServiceNames( ) throw (uno::RuntimeException)
{
uno::Sequence< ::rtl::OUString > aRet(1);
aRet[0] = ::rtl::OUString( RTL_CONSTASCII_USTRINGPARAM ( SERVICE_NAME ) );
return aRet;
}
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */