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// MARKER(update_precomp.py): autogen include statement, do not remove
#include "precompiled_tools.hxx"

#include <tools/svborder.hxx>
#include <osl/diagnose.h>

SvBorder::SvBorder( const Rectangle & rOuter, const Rectangle & rInner )
{
    Rectangle aOuter( rOuter );
    aOuter.Justify();
    Rectangle aInner( rInner );
    if( aInner.IsEmpty() )
        aInner = Rectangle( aOuter.Center(), aOuter.Center() );
    else
        aInner.Justify();

    OSL_ENSURE( aOuter.IsInside( aInner ),
                "SvBorder::SvBorder: sal_False == aOuter.IsInside( aInner )" );
    nTop    = aInner.Top()    - aOuter.Top();
    nRight  = aOuter.Right()  - aInner.Right();
    nBottom = aOuter.Bottom() - aInner.Bottom();
    nLeft   = aInner.Left()   - aOuter.Left();
}

Rectangle & operator += ( Rectangle & rRect, const SvBorder & rBorder )
{
    // wegen Empty-Rect, GetSize muss als erstes gerufen werden
    Size aS( rRect.GetSize() );
    aS.Width()  += rBorder.Left() + rBorder.Right();
    aS.Height() += rBorder.Top() + rBorder.Bottom();

    rRect.Left()   -= rBorder.Left();
    rRect.Top()    -= rBorder.Top();
    rRect.SetSize( aS );
    return rRect;
}

Rectangle & operator -= ( Rectangle & rRect, const SvBorder & rBorder )
{
    // wegen Empty-Rect, GetSize muss als erstes gerufen werden
    Size aS( rRect.GetSize() );
    aS.Width()  -= rBorder.Left() + rBorder.Right();
    aS.Height() -= rBorder.Top() + rBorder.Bottom();

    rRect.Left()   += rBorder.Left();
    rRect.Top()    += rBorder.Top();
    rRect.SetSize( aS );
    return rRect;
}