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 * OpenOffice.org - a multi-platform office productivity suite
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#ifndef INCLUDED_BASEBMP_TOOLS_HXX
#define INCLUDED_BASEBMP_TOOLS_HXX

#include <basegfx/range/b2irange.hxx>
#include <basegfx/point/b2ipoint.hxx>
#include <vigra/tuple.hxx>
#include <vigra/diff2d.hxx>

namespace basebmp
{
    inline vigra::Diff2D topLeft( const basegfx::B2IRange& rRange )
    { return vigra::Diff2D(rRange.getMinX(),rRange.getMinY()); }

    inline vigra::Diff2D bottomRight( const basegfx::B2IRange& rRange )
    { return vigra::Diff2D(rRange.getMaxX(),rRange.getMaxY()); }

    template< class Iterator, class Accessor >
    inline vigra::triple<Iterator,Iterator,Accessor>
    destIterRange(Iterator const&          begin,
                  Accessor const&          accessor,
                  const basegfx::B2IRange& rRange)
    {
        return vigra::triple<Iterator,Iterator,Accessor>(
            begin + topLeft(rRange),
            begin + bottomRight(rRange),
            accessor);
    }

    template< class Iterator, class Accessor >
    inline vigra::triple<Iterator,Iterator,Accessor>
    srcIterRange(Iterator const&          begin,
                 Accessor const&          accessor,
                 const basegfx::B2IRange& rRange)
    {
        return vigra::triple<Iterator,Iterator,Accessor>(
            begin + topLeft(rRange),
            begin + bottomRight(rRange),
            accessor);
    }

    template< class Iterator, class Accessor >
    inline vigra::pair<Iterator,Accessor>
    srcIter(Iterator const&          begin,
            Accessor const&          accessor,
            const basegfx::B2IPoint& rPt)
    {
        return vigra::pair<Iterator,Accessor>(
            begin + vigra::Diff2D(rPt.getX(),rPt.getY()),
            accessor);
    }

    template< class Iterator, class Accessor >
    inline vigra::pair<Iterator,Accessor>
    destIter(Iterator const&          begin,
             Accessor const&          accessor,
             const basegfx::B2IPoint& rPt)
    {
        return vigra::pair<Iterator,Accessor>(
            begin + vigra::Diff2D(rPt.getX(),rPt.getY()),
            accessor);
    }
}

#endif /* INCLUDED_BASEBMP_TOOLS_HXX */