// 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 _FDE_TXTEDTPAGE_H | |
#define _FDE_TXTEDTPAGE_H | |
class CFDE_TxtEdtEngine; | |
class IFX_CharIter; | |
class CFDE_TxtEdtPage; | |
class CFDE_TxtEdtLineExt; | |
class CFDE_TxtEdtTextSet; | |
class CFDE_TxtEdtParag; | |
enum FDE_TXTEDT_CHARTYPE { | |
FDE_TXTEDT_CHARTYPE_Unknown = 0, | |
FDE_TXTEDT_CHARTYPE_Tab, | |
FDE_TXTEDT_CHARTYPE_Space, | |
FDE_TXTEDT_CHARTYPE_Punctuation, | |
FDE_TXTEDT_CHARTYPE_LineBreak, | |
FDE_TXTEDT_CHARTYPE_Number, | |
FDE_TXTEDT_CHARTYPE_Char, | |
FDE_TXTEDT_CHARTYPE_CJK, | |
}; | |
inline FDE_TXTEDT_CHARTYPE FDE_GetEditSelCharType(FX_WCHAR wChar) { | |
if (wChar == 0x9) { | |
return FDE_TXTEDT_CHARTYPE_Tab; | |
} else if (wChar == 0x20 || wChar == 0xA0) { | |
return FDE_TXTEDT_CHARTYPE_Space; | |
} else if (wChar == 0x9 || wChar == 0x20 || wChar == 0xA0 || | |
(wChar >= L'!' && wChar <= L'/') || | |
(wChar >= L':' && wChar <= L'@') || | |
(wChar >= L'[' && wChar <= L'^') || | |
(wChar >= L'{' && wChar <= L'~') || wChar == 0x60) { | |
return FDE_TXTEDT_CHARTYPE_Punctuation; | |
} else if (wChar == 0x0a || wChar == 0x0d) { | |
return FDE_TXTEDT_CHARTYPE_LineBreak; | |
} else if (wChar >= '0' && wChar <= '9') { | |
return FDE_TXTEDT_CHARTYPE_Number; | |
} else if ((wChar >= 0x2e80 && wChar <= 0x2eff) || | |
(wChar >= 0x3000 && wChar <= 0x303f) || | |
(wChar >= 0x31c0 && wChar <= 0x31ef) || | |
(wChar >= 0x3200 && wChar <= 0x32ff) || | |
(wChar >= 0x3300 && wChar <= 0x33ff) || | |
(wChar >= 0x3400 && wChar <= 0x4dbf) || | |
(wChar >= 0x4e00 && wChar <= 0x9fff) || | |
(wChar >= 0xf900 && wChar <= 0xfaff) || | |
(wChar >= 0xfe30 && wChar <= 0xfe4f)) { | |
return FDE_TXTEDT_CHARTYPE_CJK; | |
} else { | |
return FDE_TXTEDT_CHARTYPE_Char; | |
} | |
} | |
typedef struct _FDE_TXTEDTPIECE { | |
int32_t nStart; | |
int32_t nCount; | |
int32_t nBidiLevel; | |
CFX_RectF rtPiece; | |
FX_DWORD dwCharStyles; | |
} FDE_TEXTEDITPIECE, *FDE_LPTEXTEDITPIECE; | |
typedef CFX_MassArrayTemplate<FDE_TEXTEDITPIECE> CFDE_TXTEDTPieceMassArray; | |
class CFDE_TxtEdtTextSet : public IFDE_TextSet { | |
public: | |
CFDE_TxtEdtTextSet(CFDE_TxtEdtPage* pPage); | |
~CFDE_TxtEdtTextSet(); | |
virtual FDE_VISUALOBJTYPE GetType(); | |
virtual FX_BOOL GetBBox(FDE_HVISUALOBJ hVisualObj, CFX_RectF& bbox); | |
virtual FX_BOOL GetMatrix(FDE_HVISUALOBJ hVisualObj, CFX_Matrix& matrix); | |
virtual FX_BOOL GetRect(FDE_HVISUALOBJ hVisualObj, CFX_RectF& rt); | |
virtual FX_BOOL GetClip(FDE_HVISUALOBJ hVisualObj, CFX_RectF& rt); | |
virtual int32_t GetString(FDE_HVISUALOBJ hText, CFX_WideString& wsText); | |
virtual IFX_Font* GetFont(FDE_HVISUALOBJ hText); | |
virtual FX_FLOAT GetFontSize(FDE_HVISUALOBJ hText); | |
virtual FX_ARGB GetFontColor(FDE_HVISUALOBJ hText); | |
virtual int32_t GetDisplayPos(FDE_HVISUALOBJ hText, | |
FXTEXT_CHARPOS* pCharPos, | |
FX_BOOL bCharCode = FALSE, | |
CFX_WideString* pWSForms = NULL); | |
virtual int32_t GetCharRects(FDE_HVISUALOBJ hText, CFX_RectFArray& rtArray); | |
virtual int32_t GetCharRects_Impl(FDE_HVISUALOBJ hText, | |
CFX_RectFArray& rtArray, | |
FX_BOOL bBBox = FALSE); | |
private: | |
CFDE_TxtEdtPage* m_pPage; | |
}; | |
class CFDE_TxtEdtPage : public IFDE_TxtEdtPage { | |
public: | |
CFDE_TxtEdtPage(IFDE_TxtEdtEngine* pEngine, int32_t nLineIndex); | |
virtual void Release(); | |
virtual IFDE_TxtEdtEngine* GetEngine() const; | |
virtual FDE_VISUALOBJTYPE GetType(); | |
virtual FX_BOOL GetBBox(FDE_HVISUALOBJ hVisualObj, CFX_RectF& bbox); | |
virtual FX_BOOL GetMatrix(FDE_HVISUALOBJ hVisualObj, CFX_Matrix& matrix); | |
virtual FX_BOOL GetRect(FDE_HVISUALOBJ hVisualObj, CFX_RectF& rt); | |
virtual FX_BOOL GetClip(FDE_HVISUALOBJ hVisualObj, CFX_RectF& rt); | |
virtual int32_t GetCharRect(int32_t nIndex, | |
CFX_RectF& rect, | |
FX_BOOL bBBox = FALSE) const; | |
virtual int32_t GetCharIndex(const CFX_PointF& fPoint, FX_BOOL& bBefore); | |
virtual int32_t SelectWord(const CFX_PointF& fPoint, int32_t& nCount); | |
virtual int32_t GetCharStart() const; | |
virtual int32_t GetCharCount() const; | |
virtual void CalcRangeRectArray(int32_t nStart, | |
int32_t nCount, | |
CFX_RectFArray& RectFArr) const; | |
virtual int32_t GetDisplayPos(const CFX_RectF& rtClip, | |
FXTEXT_CHARPOS*& pCharPos, | |
FX_LPRECTF pBBox) const; | |
virtual FX_BOOL IsLoaded(FX_LPCRECTF pClipBox = NULL); | |
virtual int32_t LoadPage(FX_LPCRECTF pClipBox = NULL, | |
IFX_Pause* pPause = NULL); | |
virtual void UnloadPage(FX_LPCRECTF pClipBox = NULL); | |
virtual const CFX_RectF& GetContentsBox(); | |
virtual FX_POSITION GetFirstPosition(FDE_HVISUALOBJ hCanvas); | |
virtual FDE_HVISUALOBJ GetNext(FDE_HVISUALOBJ hCanvas, | |
FX_POSITION& pos, | |
IFDE_VisualSet*& pVisualSet); | |
virtual FDE_HVISUALOBJ GetParentCanvas(FDE_HVISUALOBJ hCanvas, | |
IFDE_VisualSet*& pVisualSet); | |
virtual FX_WCHAR GetChar(void* pIdentity, int32_t index) const; | |
virtual int32_t GetWidth(void* pIdentity, int32_t index) const; | |
protected: | |
virtual ~CFDE_TxtEdtPage(); | |
private: | |
void NormalizePt2Rect(CFX_PointF& ptF, | |
const CFX_RectF& rtF, | |
FX_FLOAT fTolerance) const; | |
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 |