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// Copyright 2014 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 XFA_FDE_CFDE_TXTEDTPAGE_H_
#define XFA_FDE_CFDE_TXTEDTPAGE_H_
#include "xfa/fde/ifde_txtedtpage.h"
#include "xfa/fde/ifx_chariter.h"
struct FDE_TEXTEDITPIECE {
int32_t nStart;
int32_t nCount;
int32_t nBidiLevel;
CFX_RectF rtPiece;
uint32_t dwCharStyles;
};
typedef CFX_MassArrayTemplate<FDE_TEXTEDITPIECE> CFDE_TXTEDTPieceMassArray;
class CFDE_TxtEdtEngine;
class CFDE_TxtEdtParag;
class CFDE_TxtEdtTextSet;
class CFDE_TxtEdtPage : public IFDE_TxtEdtPage {
public:
CFDE_TxtEdtPage(CFDE_TxtEdtEngine* pEngine, int32_t nLineIndex);
// IFDE_TxtEditPage:
void Release() override;
CFDE_TxtEdtEngine* GetEngine() const override;
int32_t GetCharRect(int32_t nIndex,
CFX_RectF& rect,
FX_BOOL bBBox = FALSE) const override;
int32_t GetCharIndex(const CFX_PointF& fPoint, FX_BOOL& bBefore) override;
void CalcRangeRectArray(int32_t nStart,
int32_t nCount,
CFX_RectFArray& RectFArr) const override;
int32_t SelectWord(const CFX_PointF& fPoint, int32_t& nCount) override;
int32_t GetCharStart() const override;
int32_t GetCharCount() const override;
int32_t GetDisplayPos(const CFX_RectF& rtClip,
FXTEXT_CHARPOS*& pCharPos,
CFX_RectF* pBBox) const override;
FX_BOOL IsLoaded(const CFX_RectF* pClipBox) override;
int32_t LoadPage(const CFX_RectF* pClipBox, IFX_Pause* pPause) override;
void UnloadPage(const CFX_RectF* pClipBox) override;
const CFX_RectF& GetContentsBox() override;
// IFDE_VisualSet:
FDE_VISUALOBJTYPE GetType() override;
FX_BOOL GetBBox(FDE_HVISUALOBJ hVisualObj, CFX_RectF& bbox) override;
FX_BOOL GetMatrix(FDE_HVISUALOBJ hVisualObj, CFX_Matrix& matrix) override;
FX_BOOL GetRect(FDE_HVISUALOBJ hVisualObj, CFX_RectF& rt) override;
FX_BOOL GetClip(FDE_HVISUALOBJ hVisualObj, CFX_RectF& rt) override;
// IFDE_CanvasSet:
FX_POSITION GetFirstPosition(FDE_HVISUALOBJ hCanvas) override;
FDE_HVISUALOBJ GetNext(FDE_HVISUALOBJ hCanvas,
FX_POSITION& pos,
IFDE_VisualSet*& pVisualSet) override;
FDE_HVISUALOBJ GetParentCanvas(FDE_HVISUALOBJ hCanvas,
IFDE_VisualSet*& pVisualSet) override;
// IFX_TxtAccess:
FX_WCHAR GetChar(void* pIdentity, int32_t index) const override;
int32_t GetWidth(void* pIdentity, int32_t index) const override;
protected:
virtual ~CFDE_TxtEdtPage();
private:
void NormalizePt2Rect(CFX_PointF& ptF,
const CFX_RectF& rtF,
FX_FLOAT fTolerance) const;
std::unique_ptr<IFX_CharIter> m_pIter;
CFDE_TxtEdtTextSet* m_pTextSet;
CFDE_TxtEdtEngine* m_pEditEngine;
CFDE_TXTEDTPieceMassArray m_PieceMassArr;
CFDE_TxtEdtParag* m_pBgnParag;
CFDE_TxtEdtParag* m_pEndParag;
int32_t m_nRefCount;
int32_t m_nPageStart;
int32_t m_nCharCount;
int32_t m_nPageIndex;
FX_BOOL m_bLoaded;
CFX_RectF m_rtPage;
CFX_RectF m_rtPageMargin;
CFX_RectF m_rtPageContents;
CFX_RectF m_rtPageCanvas;
int32_t* m_pCharWidth;
};
#endif // XFA_FDE_CFDE_TXTEDTPAGE_H_
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