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// Copyright 2016 The PDFium Authors
// 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_CPVT_SECTION_H_
#define CORE_FPDFDOC_CPVT_SECTION_H_
#include <stdint.h>
#include <memory>
#include <vector>
#include "core/fpdfdoc/cpvt_floatrect.h"
#include "core/fpdfdoc/cpvt_lineinfo.h"
#include "core/fpdfdoc/cpvt_wordinfo.h"
#include "core/fpdfdoc/cpvt_wordrange.h"
#include "core/fxcrt/fx_coordinates.h"
#include "core/fxcrt/unowned_ptr.h"
class CPVT_VariableText;
struct CPVT_LineInfo;
struct CPVT_WordPlace;
class CPVT_Section final {
public:
class Line {
public:
explicit Line(const CPVT_LineInfo& lineinfo);
~Line();
CPVT_WordPlace GetBeginWordPlace() const;
CPVT_WordPlace GetEndWordPlace() const;
CPVT_WordPlace GetPrevWordPlace(const CPVT_WordPlace& place) const;
CPVT_WordPlace GetNextWordPlace(const CPVT_WordPlace& place) const;
CPVT_WordPlace m_LinePlace;
CPVT_LineInfo m_LineInfo;
};
explicit CPVT_Section(CPVT_VariableText* pVT);
~CPVT_Section();
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;
void SetPlace(const CPVT_WordPlace& place) { m_SecPlace = place; }
void SetPlaceIndex(int32_t index) { m_SecPlace.nSecIndex = index; }
const CPVT_FloatRect& GetRect() const { return m_Rect; }
void SetRect(const CPVT_FloatRect& rect) { m_Rect = rect; }
int32_t GetLineArraySize() const;
const Line* GetLineFromArray(int32_t index) const;
int32_t GetWordArraySize() const;
const CPVT_WordInfo* GetWordFromArray(int32_t index) const;
void EraseWordsFrom(int32_t index);
private:
CPVT_FloatRect RearrangeCharArray() const;
CPVT_FloatRect RearrangeTypeset();
CPVT_FloatRect SplitLines(bool bTypeset, float fFontSize);
CPVT_FloatRect OutputLines(const CPVT_FloatRect& rect) const;
void ClearLeftWords(int32_t nWordIndex);
void ClearRightWords(int32_t nWordIndex);
void ClearMidWords(int32_t nBeginIndex, int32_t nEndIndex);
CPVT_WordPlace m_SecPlace;
CPVT_FloatRect m_Rect;
std::vector<std::unique_ptr<Line>> m_LineArray;
std::vector<std::unique_ptr<CPVT_WordInfo>> m_WordArray;
UnownedPtr<CPVT_VariableText> const m_pVT;
};
#endif // CORE_FPDFDOC_CPVT_SECTION_H_