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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 05:54:39 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-15 05:54:39 +0000
commit267c6f2ac71f92999e969232431ba04678e7437e (patch)
tree358c9467650e1d0a1d7227a21dac2e3d08b622b2 /sw/inc/swregion.hxx
parentInitial commit. (diff)
downloadlibreoffice-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.hxx68
1 files changed, 68 insertions, 0 deletions
diff --git a/sw/inc/swregion.hxx b/sw/inc/swregion.hxx
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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: */