office-gobmx/basegfx/source/range/b2drange.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: b2drange.cxx,v $
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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_basegfx.hxx"

#include <basegfx/range/b2drange.hxx>
#include <basegfx/range/b2irange.hxx>
#include <basegfx/numeric/ftools.hxx>
#include <basegfx/matrix/b2dhommatrix.hxx>

namespace basegfx
{
    B2DRange::B2DRange( const B2IRange& rRange ) :
        maRangeX(),
        maRangeY()
    {
        if( !rRange.isEmpty() )
        {
            maRangeX = rRange.getMinX();
            maRangeY = rRange.getMinY();

            maRangeX.expand(rRange.getMaxX());
            maRangeY.expand(rRange.getMaxY());
        }
    }

    void B2DRange::transform(const B2DHomMatrix& rMatrix)
    {
        if(!isEmpty() && !rMatrix.isIdentity())
        {
            const B2DRange aSource(*this);
            reset();
            expand(rMatrix * B2DPoint(aSource.getMinX(), aSource.getMinY()));
            expand(rMatrix * B2DPoint(aSource.getMaxX(), aSource.getMinY()));
            expand(rMatrix * B2DPoint(aSource.getMinX(), aSource.getMaxY()));
            expand(rMatrix * B2DPoint(aSource.getMaxX(), aSource.getMaxY()));
        }
    }

    B2IRange fround(const B2DRange& rRange)
    {
        return rRange.isEmpty() ?
            B2IRange() :
            B2IRange(fround(rRange.getMinimum()),
                     fround(rRange.getMaximum()));
    }
} // end of namespace basegfx

// eof