txtrange.hxx

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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 * This file incorporates work covered by the following license notice:
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 *   Licensed to the Apache Software Foundation (ASF) under one or more
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#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
{
    struct RangeCacheItem
    {
        Range range;        
        std::deque<tools::Long> results;  
        RangeCacheItem(const Range& rng) : range(rng) {};
    };
    std::deque<RangeCacheItem> mRangeCache; 
    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
 
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