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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_EDITENG_TXTRANGE_HXX
+#define INCLUDED_EDITENG_TXTRANGE_HXX
+
+#include <editeng/editengdllapi.h>
+#include <tools/gen.hxx>
+#include <tools/poly.hxx>
+#include <deque>
+#include <memory>
+#include <optional>
+
+namespace basegfx {
+ class B2DPolyPolygon;
+}
+
+class EDITENG_DLLPUBLIC TextRanger
+{
+ //! The RangeCache class is used to cache the result of a single range calculation.
+ struct RangeCacheItem
+ {
+ Range range; //!< Range for which we calculated results.
+ std::deque<long> results; //!< Calculated results for the range.
+ RangeCacheItem(const Range& rng) : range(rng) {};
+ };
+ std::deque<RangeCacheItem> mRangeCache; //!< Cached range calculations.
+ tools::PolyPolygon maPolyPolygon; // Surface polygon
+ std::unique_ptr<tools::PolyPolygon> mpLinePolyPolygon; // Line polygon
+ mutable std::optional<tools::Rectangle> mxBound; // Comprehensive rectangle
+ sal_uInt16 nCacheSize; // Cache-Size
+ sal_uInt16 nRight; // Distance Contour-Text
+ sal_uInt16 nLeft; // Distance Text-Contour
+ sal_uInt16 nUpper; // Distance Contour-Text
+ sal_uInt16 nLower; // Distance Text-Contour
+ sal_uInt32 nPointCount; // Number of polygon points
+ bool bSimple : 1; // Just outside edge
+ bool bInner : 1; // TRUE: Object inline (EditEngine);
+ // FALSE: Object flow (StarWriter);
+ bool bVertical :1;// for vertical writing mode
+
+ TextRanger( const TextRanger& ) = delete;
+ const tools::Rectangle& GetBoundRect_() const;
+public:
+ TextRanger( const basegfx::B2DPolyPolygon& rPolyPolygon,
+ const basegfx::B2DPolyPolygon* pLinePolyPolygon,
+ sal_uInt16 nCacheSize, sal_uInt16 nLeft, sal_uInt16 nRight,
+ bool bSimple, bool bInner, bool bVert = false );
+ ~TextRanger();
+ std::deque<long>* GetTextRanges( const Range& rRange );
+ sal_uInt16 GetRight() const { return nRight; }
+ sal_uInt16 GetLeft() const { return nLeft; }
+ sal_uInt16 GetUpper() const { return nUpper; }
+ sal_uInt16 GetLower() const { return nLower; }
+ sal_uInt32 GetPointCount() const { return nPointCount; }
+ bool IsSimple() const { return bSimple; }
+ bool IsInner() const { return bInner; }
+ bool IsVertical() const { return bVertical; }
+ const tools::Rectangle& GetBoundRect() const
+ { return mxBound ? const_cast< const tools::Rectangle& >(*mxBound) : GetBoundRect_(); }
+ void SetUpper( sal_uInt16 nNew ){ nUpper = nNew; }
+ void SetLower( sal_uInt16 nNew ){ nLower = nNew; }
+ void SetVertical( bool bNew );
+};
+
+#endif // _TXTRANGE_HXX
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */