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#include <rtl/instance.hxx>
#include <osl/getglobalmutex.hxx>
#include <osl/diagnose.h>

#include <com/sun/star/rendering/InterpolationMode.hpp>

#include <basegfx/polygon/b2dpolygon.hxx>
#include <basegfx/polygon/b2dpolypolygon.hxx>
#include <basegfx/tools/canvastools.hxx>

#include <cppcanvas/basegfxfactory.hxx>

#include "implpolypolygon.hxx"
#include "implbitmap.hxx"
#include "impltext.hxx"

using namespace ::com::sun::star;

namespace cppcanvas
{
    /* Singleton handling */
    struct InitInstance2
    {
        BaseGfxFactory* operator()()
        {
            return new BaseGfxFactory();
        }
    };

    BaseGfxFactory& BaseGfxFactory::getInstance()
    {
        return *rtl_Instance< BaseGfxFactory, InitInstance2, ::osl::MutexGuard,
            ::osl::GetGlobalMutex >::create(
                InitInstance2(), ::osl::GetGlobalMutex());
    }

    BaseGfxFactory::BaseGfxFactory()
    {
    }

    BaseGfxFactory::~BaseGfxFactory()
    {
    }

    BitmapSharedPtr BaseGfxFactory::createBitmap( const CanvasSharedPtr&    rCanvas,
                                                  const ::basegfx::B2ISize& rSize ) const
    {
        OSL_ENSURE( rCanvas.get() != NULL &&
                    rCanvas->getUNOCanvas().is(),
                    "BaseGfxFactory::createBitmap(): Invalid canvas" );

        if( rCanvas.get() == NULL )
            return BitmapSharedPtr();

        uno::Reference< rendering::XCanvas > xCanvas( rCanvas->getUNOCanvas() );
        if( !xCanvas.is() )
            return BitmapSharedPtr();

        return BitmapSharedPtr(
            new internal::ImplBitmap( rCanvas,
                                      xCanvas->getDevice()->createCompatibleBitmap(
                                          ::basegfx::unotools::integerSize2DFromB2ISize(rSize) ) ) );
    }

    BitmapSharedPtr BaseGfxFactory::createAlphaBitmap( const CanvasSharedPtr&   rCanvas,
                                                       const ::basegfx::B2ISize& rSize ) const
    {
        OSL_ENSURE( rCanvas.get() != NULL &&
                    rCanvas->getUNOCanvas().is(),
                    "BaseGfxFactory::createBitmap(): Invalid canvas" );

        if( rCanvas.get() == NULL )
            return BitmapSharedPtr();

        uno::Reference< rendering::XCanvas > xCanvas( rCanvas->getUNOCanvas() );
        if( !xCanvas.is() )
            return BitmapSharedPtr();

        return BitmapSharedPtr(
            new internal::ImplBitmap( rCanvas,
                                      xCanvas->getDevice()->createCompatibleAlphaBitmap(
                                          ::basegfx::unotools::integerSize2DFromB2ISize(rSize) ) ) );
    }
}

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