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