1 files changed, 83 insertions, 0 deletions
diff --git a/include/editeng/txtrange.hxx b/include/editeng/txtrange.hxx
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+++ b/include/editeng/txtrange.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_EDITENG_TXTRANGE_HXX
+#define INCLUDED_EDITENG_TXTRANGE_HXX
+
+#include <editeng/editengdllapi.h>
+#include <tools/gen.hxx>
+#include <tools/poly.hxx>
+#include <deque>
+#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<tools::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::optional<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<tools::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: */