| // 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_SRC_FGAS_SRC_LAYOUT_FX_RTFBREAK_H_ |
| #define XFA_SRC_FGAS_SRC_LAYOUT_FX_RTFBREAK_H_ |
| |
| #include "core/include/fxcrt/fx_arb.h" |
| #include "xfa/src/fgas/src/layout/fx_unicode.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 // XFA_SRC_FGAS_SRC_LAYOUT_FX_RTFBREAK_H_ |