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// Copyright 2016 PDFium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
#ifndef CORE_FPDFDOC_CSECTION_H_
#define CORE_FPDFDOC_CSECTION_H_
#include <memory>
#include <vector>
#include "core/fpdfdoc/cline.h"
#include "core/fpdfdoc/cpvt_sectioninfo.h"
#include "core/fpdfdoc/ctypeset.h"
#include "core/fxcrt/fx_coordinates.h"
#include "core/fxcrt/fx_system.h"
class CPDF_VariableText;
class CPVT_LineInfo;
struct CPVT_WordLine;
struct CPVT_WordPlace;
class CSection final {
public:
explicit CSection(CPDF_VariableText* pVT);
~CSection();
void ResetAll();
void ResetLinePlace();
CPVT_WordPlace AddWord(const CPVT_WordPlace& place,
const CPVT_WordInfo& wordinfo);
CPVT_WordPlace AddLine(const CPVT_LineInfo& lineinfo);
void ClearWords(const CPVT_WordRange& PlaceRange);
void ClearWord(const CPVT_WordPlace& place);
CPVT_FloatRect Rearrange();
CFX_SizeF GetSectionSize(float fFontSize);
CPVT_WordPlace GetBeginWordPlace() const;
CPVT_WordPlace GetEndWordPlace() const;
CPVT_WordPlace GetPrevWordPlace(const CPVT_WordPlace& place) const;
CPVT_WordPlace GetNextWordPlace(const CPVT_WordPlace& place) const;
void UpdateWordPlace(CPVT_WordPlace& place) const;
CPVT_WordPlace SearchWordPlace(const CFX_PointF& point) const;
CPVT_WordPlace SearchWordPlace(float fx,
const CPVT_WordPlace& lineplace) const;
CPVT_WordPlace SearchWordPlace(float fx, const CPVT_WordRange& range) const;
CPVT_WordPlace SecPlace;
CPVT_SectionInfo m_SecInfo;
std::vector<std::unique_ptr<CLine>> m_LineArray;
std::vector<std::unique_ptr<CPVT_WordInfo>> m_WordArray;
private:
friend class CTypeset;
void ClearLeftWords(int32_t nWordIndex);
void ClearRightWords(int32_t nWordIndex);
void ClearMidWords(int32_t nBeginIndex, int32_t nEndIndex);
CFX_UnownedPtr<CPDF_VariableText> const m_pVT;
};
#endif // CORE_FPDFDOC_CSECTION_H_
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