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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:54:39 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 05:54:39 +0000 |
commit | 267c6f2ac71f92999e969232431ba04678e7437e (patch) | |
tree | 358c9467650e1d0a1d7227a21dac2e3d08b622b2 /sw/inc/swregion.hxx | |
parent | Initial commit. (diff) | |
download | libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.tar.xz libreoffice-267c6f2ac71f92999e969232431ba04678e7437e.zip |
Adding upstream version 4:24.2.0.upstream/4%24.2.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'sw/inc/swregion.hxx')
-rw-r--r-- | sw/inc/swregion.hxx | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/sw/inc/swregion.hxx b/sw/inc/swregion.hxx new file mode 100644 index 0000000000..338a30649c --- /dev/null +++ b/sw/inc/swregion.hxx @@ -0,0 +1,68 @@ +/* -*- 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: */ |