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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* 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 .
*/
#ifndef INCLUDED_SW_INC_SWREGION_HXX
#define INCLUDED_SW_INC_SWREGION_HXX
#include <vector>
#include "swrect.hxx"
typedef std::vector<SwRect> SwRects;
// A collection of rectangles within a given area (origin).
// One way to use is to initially set rStartRect, which will set the origin
// and the rectangles to rStartRect, and then use operator-= to punch holes.
// Other way to use is to use empty constructor, call ChangeOrigin() and
// then use operator+= to add rectangles, possibly followed by final
// LimitToOrigin() and Compress(). The second way should be faster than
// the first way followed by Invert().
class SwRegionRects : public SwRects
{
SwRect m_aOrigin; // Origin area, limits the total area e.g. for Invert()
inline void InsertRect( const SwRect &rRect, const sal_uInt16 nPos, bool &rDel);
public:
// Sets rStartRect as the first element and also the origin area.
explicit SwRegionRects( const SwRect& rStartRect, sal_uInt16 nInit = 20 );
// Empty constructor, does not set elements or origin area. You may
// most likely want to call ChangeOrigin() afterwards.
explicit SwRegionRects( sal_uInt16 nInit = 20 );
// For punching from aOrigin.
void operator-=( const SwRect& rRect );
void operator+=( const SwRect& rRect );
// From holes to areas, from areas to holes, within the origin area.
void Invert();
// Ensures all rectangles are within the origin area.
void LimitToOrigin();
enum CompressType { CompressExact, CompressFuzzy };
// Combine adjacent rectangles.
void Compress( CompressType type );
const SwRect &GetOrigin() const { return m_aOrigin; }
void ChangeOrigin( const SwRect &rRect ) { m_aOrigin = rRect; }
};
#endif // INCLUDED_SW_INC_SWREGION_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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