/**************************************************************
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 *
 *************************************************************/


// 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;
}