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       1             : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
       2             : /*
       3             :  * This file is part of the LibreOffice project.
       4             :  *
       5             :  * This Source Code Form is subject to the terms of the Mozilla Public
       6             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       7             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
       8             :  *
       9             :  * This file incorporates work covered by the following license notice:
      10             :  *
      11             :  *   Licensed to the Apache Software Foundation (ASF) under one or more
      12             :  *   contributor license agreements. See the NOTICE file distributed
      13             :  *   with this work for additional information regarding copyright
      14             :  *   ownership. The ASF licenses this file to you under the Apache
      15             :  *   License, Version 2.0 (the "License"); you may not use this file
      16             :  *   except in compliance with the License. You may obtain a copy of
      17             :  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
      18             :  */
      19             : 
      20             : #ifndef INCLUDED_EDITENG_TXTRANGE_HXX
      21             : #define INCLUDED_EDITENG_TXTRANGE_HXX
      22             : 
      23             : #include <editeng/editengdllapi.h>
      24             : #include <tools/gen.hxx>
      25             : #include <deque>
      26             : 
      27             : class PolyPolygon;
      28             : class Rectangle;
      29             : 
      30             : namespace basegfx {
      31             :     class B2DPolyPolygon;
      32             : }
      33             : 
      34             : typedef std::deque<long>* LongDqPtr;
      35             : 
      36             : class EDITENG_DLLPUBLIC TextRanger
      37             : {
      38             :     //! The RangeCache class is used to cache the result of a single range calculation.
      39          24 :     struct RangeCache
      40             :     {
      41             :         Range range;        //!< Range for which we calculated results.
      42             :         std::deque<long> results;  //!< Calculated results for the range.
      43           8 :         RangeCache(const Range& rng) : range(rng) {};
      44             :     };
      45             :     std::deque<RangeCache> mRangeCache; //!< Cached range calculations.
      46             :     PolyPolygon *mpPolyPolygon; // Surface polygon
      47             :     PolyPolygon *mpLinePolyPolygon; // Line polygon
      48             :     Rectangle *pBound;  // Comprehensive rectangle
      49             :     sal_uInt16 nCacheSize;  // Cache-Size
      50             :     sal_uInt16 nRight;      // Distance Contour-Text
      51             :     sal_uInt16 nLeft;       // Distance Text-Contour
      52             :     sal_uInt16 nUpper;      // Distance Contour-Text
      53             :     sal_uInt16 nLower;      // Distance Text-Contour
      54             :     sal_uInt32 nPointCount; // Number of polygon points
      55             :     bool       bSimple : 1; // Just outside edge
      56             :     bool       bInner  : 1; // TRUE: Objekt inline (EditEngine);
      57             :                             // FALSE: Objekt flow (StarWriter);
      58             :     bool       bVertical :1;// for vertical writing mode
      59             : 
      60             :     TextRanger( const TextRanger& ); // not implemented
      61             :     const Rectangle& _GetBoundRect();
      62             : public:
      63             :     TextRanger( const basegfx::B2DPolyPolygon& rPolyPolygon,
      64             :                 const basegfx::B2DPolyPolygon* pLinePolyPolygon,
      65             :                 sal_uInt16 nCacheSize, sal_uInt16 nLeft, sal_uInt16 nRight,
      66             :                 bool bSimple, bool bInner, bool bVert = false );
      67             :     ~TextRanger();
      68             :     LongDqPtr GetTextRanges( const Range& rRange );
      69           8 :     sal_uInt16 GetRight() const { return nRight; }
      70           8 :     sal_uInt16 GetLeft() const { return nLeft; }
      71           8 :     sal_uInt16 GetUpper() const { return nUpper; }
      72           8 :     sal_uInt16 GetLower() const { return nLower; }
      73          16 :     sal_uInt32 GetPointCount() const { return nPointCount; }
      74           8 :     bool IsSimple() const { return bSimple; }
      75           8 :     bool IsInner() const { return bInner; }
      76          72 :     bool IsVertical() const { return bVertical; }
      77             :     bool HasBorder() const { return nRight || nLeft; }
      78           0 :     const PolyPolygon& GetPolyPolygon() const { return *mpPolyPolygon; }
      79             :     const PolyPolygon* GetLinePolygon() const { return mpLinePolyPolygon; }
      80           0 :     const Rectangle& GetBoundRect()
      81           0 :         { return pBound ? static_cast< const Rectangle& >(*pBound) : _GetBoundRect(); }
      82           8 :     void SetUpper( sal_uInt16 nNew ){ nUpper = nNew; }
      83           8 :     void SetLower( sal_uInt16 nNew ){ nLower = nNew; }
      84             :     void SetVertical( bool bNew );
      85             : };
      86             : 
      87             : #endif      // _TXTRANGE_HXX
      88             : 
      89             : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */