libreoffice/basegfx/source/polygon/b3dpolypolygontools.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: b3dpolypolygontools.cxx,v $
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_basegfx.hxx"
#include <basegfx/polygon/b3dpolypolygontools.hxx>
#include <basegfx/range/b3drange.hxx>
#include <basegfx/polygon/b3dpolypolygon.hxx>
#include <basegfx/polygon/b3dpolygon.hxx>
#include <basegfx/polygon/b3dpolygontools.hxx>
#include <basegfx/numeric/ftools.hxx>

#include <numeric>

//////////////////////////////////////////////////////////////////////////////

namespace basegfx
{
    namespace tools
    {
        // B3DPolyPolygon tools
        ::basegfx::B3DRange getRange(const ::basegfx::B3DPolyPolygon& rCandidate)
        {
            ::basegfx::B3DRange aRetval;
            const sal_uInt32 nPolygonCount(rCandidate.count());

            for(sal_uInt32 a(0L); a < nPolygonCount; a++)
            {
                ::basegfx::B3DPolygon aCandidate = rCandidate.getB3DPolygon(a);
                aRetval.expand(::basegfx::tools::getRange(aCandidate));
            }

            return aRetval;
        }

        ::basegfx::B3DPolyPolygon applyLineDashing(const ::basegfx::B3DPolyPolygon& rCandidate, const ::std::vector<double>& raDashDotArray, double fFullDashDotLen)
        {
            ::basegfx::B3DPolyPolygon aRetval;

            if(0.0 == fFullDashDotLen && raDashDotArray.size())
            {
                // calculate fFullDashDotLen from raDashDotArray
                fFullDashDotLen = ::std::accumulate(raDashDotArray.begin(), raDashDotArray.end(), 0.0);
            }

            if(rCandidate.count() && fFullDashDotLen > 0.0)
            {
                for(sal_uInt32 a(0L); a < rCandidate.count(); a++)
                {
                    ::basegfx::B3DPolygon aCandidate = rCandidate.getB3DPolygon(a);
                    aRetval.append(applyLineDashing(aCandidate, raDashDotArray, fFullDashDotLen));
                }
            }

            return aRetval;
        }
    } // end of namespace tools
} // end of namespace basegfx

//////////////////////////////////////////////////////////////////////////////

// eof