// 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 _FX_RTFBREAK_IMP | |
#define _FX_RTFBREAK_IMP | |
#include "core/include/fxcrt/fx_arb.h" | |
class CFX_RTFLine; | |
class CFX_RTFBreak; | |
class CFX_RTFLine { | |
public: | |
CFX_RTFLine() | |
: m_LinePieces(16), | |
m_iStart(0), | |
m_iWidth(0), | |
m_iArabicChars(0), | |
m_iMBCSChars(0) {} | |
~CFX_RTFLine() { RemoveAll(); } | |
int32_t CountChars() const { return m_LineChars.GetSize(); } | |
CFX_RTFChar& GetChar(int32_t index) { | |
FXSYS_assert(index > -1 && index < m_LineChars.GetSize()); | |
return *m_LineChars.GetDataPtr(index); | |
} | |
CFX_RTFChar* GetCharPtr(int32_t index) { | |
FXSYS_assert(index > -1 && index < m_LineChars.GetSize()); | |
return m_LineChars.GetDataPtr(index); | |
} | |
int32_t CountPieces() const { return m_LinePieces.GetSize(); } | |
CFX_RTFPiece& GetPiece(int32_t index) const { | |
FXSYS_assert(index > -1 && index < m_LinePieces.GetSize()); | |
return m_LinePieces.GetAt(index); | |
} | |
CFX_RTFPiece* GetPiecePtr(int32_t index) const { | |
FXSYS_assert(index > -1 && index < m_LinePieces.GetSize()); | |
return m_LinePieces.GetPtrAt(index); | |
} | |
int32_t GetLineEnd() const { return m_iStart + m_iWidth; } | |
void RemoveAll(FX_BOOL bLeaveMemory = FALSE) { | |
CFX_RTFChar* pChar; | |
IFX_Unknown* pUnknown; | |
int32_t iCount = m_LineChars.GetSize(); | |
for (int32_t i = 0; i < iCount; i++) { | |
pChar = m_LineChars.GetDataPtr(i); | |
if ((pUnknown = pChar->m_pUserData) != NULL) { | |
pUnknown->Release(); | |
} | |
} | |
m_LineChars.RemoveAll(); | |
m_LinePieces.RemoveAll(bLeaveMemory); | |
m_iWidth = 0; | |
m_iArabicChars = 0; | |
m_iMBCSChars = 0; | |
} | |
CFX_RTFCharArray m_LineChars; | |
CFX_RTFPieceArray m_LinePieces; | |
int32_t m_iStart; | |
int32_t m_iWidth; | |
int32_t m_iArabicChars; | |
int32_t m_iMBCSChars; | |
}; | |
class CFX_RTFBreak : public IFX_RTFBreak { | |
public: | |
CFX_RTFBreak(FX_DWORD dwPolicies); | |
~CFX_RTFBreak(); | |
void Release() override { delete this; } | |
void SetLineBoundary(FX_FLOAT fLineStart, FX_FLOAT fLineEnd) override final; | |
void SetLineStartPos(FX_FLOAT fLinePos) override final; | |
FX_DWORD GetLayoutStyles() const override { return m_dwLayoutStyles; } | |
void SetLayoutStyles(FX_DWORD dwLayoutStyles) override; | |
void SetFont(IFX_Font* pFont) override; | |
void SetFontSize(FX_FLOAT fFontSize) override; | |
void SetTabWidth(FX_FLOAT fTabWidth) override; | |
void AddPositionedTab(FX_FLOAT fTabPos) override; | |
void SetPositionedTabs(const CFX_FloatArray& tabs) override; | |
void ClearPositionedTabs() override; | |
void SetDefaultChar(FX_WCHAR wch) override; | |
void SetLineBreakChar(FX_WCHAR wch) override; | |
void SetLineBreakTolerance(FX_FLOAT fTolerance) override; | |
void SetHorizontalScale(int32_t iScale) override; | |
void SetVerticalScale(int32_t iScale) override; | |
void SetCharRotation(int32_t iCharRotation) override; | |
void SetCharSpace(FX_FLOAT fCharSpace) override; | |
void SetWordSpace(FX_BOOL bDefault, FX_FLOAT fWordSpace) override; | |
void SetReadingOrder(FX_BOOL bRTL = FALSE) override; | |
void SetAlignment(int32_t iAlignment = FX_RTFLINEALIGNMENT_Left) override; | |
void SetUserData(IFX_Unknown* pUserData) override; | |
FX_DWORD AppendChar(FX_WCHAR wch) override; | |
FX_DWORD EndBreak(FX_DWORD dwStatus = FX_RTFBREAK_PieceBreak) override; | |
int32_t CountBreakPieces() const override; | |
const CFX_RTFPiece* GetBreakPiece(int32_t index) const override; | |
void GetLineRect(CFX_RectF& rect) const override; | |
void ClearBreakPieces() override; | |
void Reset() override; | |
int32_t GetDisplayPos( | |
FX_LPCRTFTEXTOBJ pText, | |
FXTEXT_CHARPOS* pCharPos, | |
FX_BOOL bCharCode = FALSE, | |
CFX_WideString* pWSForms = NULL, | |
FX_AdjustCharDisplayPos pAdjustPos = NULL) const override; | |
int32_t GetCharRects(FX_LPCRTFTEXTOBJ pText, | |
CFX_RectFArray& rtArray, | |
FX_BOOL bCharBBox = FALSE) const override; | |
FX_DWORD AppendChar_CharCode(FX_WCHAR wch); | |
FX_DWORD AppendChar_Combination(CFX_RTFChar* pCurChar, int32_t iRotation); | |
FX_DWORD AppendChar_Tab(CFX_RTFChar* pCurChar, int32_t iRotation); | |
FX_DWORD AppendChar_Control(CFX_RTFChar* pCurChar, int32_t iRotation); | |
FX_DWORD AppendChar_Arabic(CFX_RTFChar* pCurChar, int32_t iRotation); | |
FX_DWORD AppendChar_Others(CFX_RTFChar* pCurChar, int32_t iRotation); | |
protected: | |
FX_DWORD m_dwPolicies; | |
IFX_ArabicChar* m_pArabicChar; | |
int32_t m_iBoundaryStart; | |
int32_t m_iBoundaryEnd; | |
FX_DWORD m_dwLayoutStyles; | |
FX_BOOL m_bPagination; | |
FX_BOOL m_bVertical; | |
FX_BOOL m_bSingleLine; | |
FX_BOOL m_bCharCode; | |
IFX_Font* m_pFont; | |
int32_t m_iFontHeight; | |
int32_t m_iFontSize; | |
int32_t m_iTabWidth; | |
CFX_Int32Array m_PositionedTabs; | |
FX_BOOL m_bOrphanLine; | |
FX_WCHAR m_wDefChar; | |
int32_t m_iDefChar; | |
FX_WCHAR m_wLineBreakChar; | |
int32_t m_iHorizontalScale; | |
int32_t m_iVerticalScale; | |
int32_t m_iLineRotation; | |
int32_t m_iCharRotation; | |
int32_t m_iRotation; | |
int32_t m_iCharSpace; | |
FX_BOOL m_bWordSpace; | |
int32_t m_iWordSpace; | |
FX_BOOL m_bRTL; | |
int32_t m_iAlignment; | |
IFX_Unknown* m_pUserData; | |
FX_DWORD m_dwCharType; | |
FX_DWORD m_dwIdentity; | |
CFX_RTFLine m_RTFLine1; | |
CFX_RTFLine m_RTFLine2; | |
CFX_RTFLine* m_pCurLine; | |
int32_t m_iReady; | |
int32_t m_iTolerance; | |
int32_t GetLineRotation(FX_DWORD dwStyles) const; | |
void SetBreakStatus(); | |
CFX_RTFChar* GetLastChar(int32_t index) const; | |
CFX_RTFLine* GetRTFLine(FX_BOOL bReady) const; | |
CFX_RTFPieceArray* GetRTFPieces(FX_BOOL bReady) const; | |
FX_DWORD GetUnifiedCharType(FX_DWORD dwType) const; | |
int32_t GetLastPositionedTab() const; | |
FX_BOOL GetPositionedTab(int32_t& iTabPos) const; | |
int32_t GetBreakPos(CFX_RTFCharArray& tca, | |
int32_t& iEndPos, | |
FX_BOOL bAllChars = FALSE, | |
FX_BOOL bOnlyBrk = FALSE); | |
void SplitTextLine(CFX_RTFLine* pCurLine, | |
CFX_RTFLine* pNextLine, | |
FX_BOOL bAllChars = FALSE); | |
FX_BOOL EndBreak_SplitLine(CFX_RTFLine* pNextLine, | |
FX_BOOL bAllChars, | |
FX_DWORD dwStatus); | |
void EndBreak_BidiLine(CFX_TPOArray& tpos, FX_DWORD dwStatus); | |
void EndBreak_Alignment(CFX_TPOArray& tpos, | |
FX_BOOL bAllChars, | |
FX_DWORD dwStatus); | |
}; | |
#endif |