libreoffice/canvas/source/directx/dx_linepolypolygon.cxx

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 * Copyright 2008 by Sun Microsystems, Inc.
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 * OpenOffice.org - a multi-platform office productivity suite
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 * $RCSfile: dx_linepolypolygon.cxx,v $
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#include <basegfx/tools/canvastools.hxx>
#include "dx_linepolypolygon.hxx"


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

namespace dxcanvas
{
    LinePolyPolygon::LinePolyPolygon( const ::basegfx::B2DPolyPolygon& rPolyPoly ) :
        ::canvas::LinePolyPolygonBase( rPolyPoly ),
        mpGdiPlusUser( GDIPlusUser::createInstance() ),
        mpPath()
    {
    }

    GraphicsPathSharedPtr LinePolyPolygon::getGraphicsPath() const
    {
        // generate GraphicsPath only on demand (gets deleted as soon
        // as any of the modifying methods above touches the
        // B2DPolyPolygon).
        if( !mpPath )
        {
            mpPath = tools::graphicsPathFromB2DPolyPolygon( getPolyPolygon() );
            mpPath->SetFillMode( const_cast<LinePolyPolygon*>(this)->getFillRule() == rendering::FillRule_EVEN_ODD ?
                                 Gdiplus::FillModeAlternate : Gdiplus::FillModeWinding );
        }

        return mpPath;
    }

    void LinePolyPolygon::modifying() const
    {
        mpPath.reset();
    }
}