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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
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