diff options
Diffstat (limited to 'xfa/fgas/layout/fgas_textbreak.h')
-rw-r--r-- | xfa/fgas/layout/fgas_textbreak.h | 200 |
1 files changed, 158 insertions, 42 deletions
diff --git a/xfa/fgas/layout/fgas_textbreak.h b/xfa/fgas/layout/fgas_textbreak.h index af817547d3..b83f2604c8 100644 --- a/xfa/fgas/layout/fgas_textbreak.h +++ b/xfa/fgas/layout/fgas_textbreak.h @@ -12,12 +12,12 @@ #include "xfa/fgas/crt/fgas_utils.h" #include "xfa/fgas/layout/fgas_unicode.h" -class IFX_Font; +class CFX_ArabicChar; class CFX_Char; -class IFX_TxtAccess; class CFX_TxtChar; class CFX_TxtPiece; -class IFX_TxtBreak; +class IFX_Font; +class IFX_TxtAccess; #define FX_TXTBREAKPOLICY_None 0x00 #define FX_TXTBREAKPOLICY_Pagination 0x01 @@ -177,46 +177,162 @@ class CFX_TxtPiece : public CFX_Target { }; typedef CFX_BaseArrayTemplate<CFX_TxtPiece> CFX_TxtPieceArray; -class IFX_TxtBreak { +class CFX_TxtLine { + public: + CFX_TxtLine(int32_t iBlockSize) + : m_iStart(0), m_iWidth(0), m_iArabicChars(0) { + m_pLineChars = new CFX_TxtCharArray; + m_pLinePieces = new CFX_TxtPieceArray(16); + } + ~CFX_TxtLine() { + RemoveAll(); + delete m_pLineChars; + delete m_pLinePieces; + } + int32_t CountChars() const { return m_pLineChars->GetSize(); } + CFX_TxtChar* GetCharPtr(int32_t index) const { + FXSYS_assert(index > -1 && index < m_pLineChars->GetSize()); + return m_pLineChars->GetDataPtr(index); + } + int32_t CountPieces() const { return m_pLinePieces->GetSize(); } + CFX_TxtPiece* GetPiecePtr(int32_t index) const { + FXSYS_assert(index > -1 && index < m_pLinePieces->GetSize()); + return m_pLinePieces->GetPtrAt(index); + } + void GetString(CFX_WideString& wsStr) const { + int32_t iCount = m_pLineChars->GetSize(); + FX_WCHAR* pBuf = wsStr.GetBuffer(iCount); + CFX_Char* pChar; + for (int32_t i = 0; i < iCount; i++) { + pChar = m_pLineChars->GetDataPtr(i); + *pBuf++ = (FX_WCHAR)pChar->m_wCharCode; + } + wsStr.ReleaseBuffer(iCount); + } + void RemoveAll(FX_BOOL bLeaveMemory = FALSE) { + m_pLineChars->RemoveAll(); + m_pLinePieces->RemoveAll(bLeaveMemory); + m_iWidth = 0; + m_iArabicChars = 0; + } + CFX_TxtCharArray* m_pLineChars; + CFX_TxtPieceArray* m_pLinePieces; + int32_t m_iStart; + int32_t m_iWidth; + int32_t m_iArabicChars; +}; + +class CFX_TxtBreak { public: - static IFX_TxtBreak* Create(uint32_t dwPolicies); - virtual ~IFX_TxtBreak() {} - virtual void Release() = 0; - virtual void SetLineWidth(FX_FLOAT fLineWidth) = 0; - virtual void SetLinePos(FX_FLOAT fLinePos) = 0; - virtual uint32_t GetLayoutStyles() const = 0; - virtual void SetLayoutStyles(uint32_t dwLayoutStyles) = 0; - virtual void SetFont(IFX_Font* pFont) = 0; - virtual void SetFontSize(FX_FLOAT fFontSize) = 0; - virtual void SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant) = 0; - virtual void SetDefaultChar(FX_WCHAR wch) = 0; - virtual void SetParagraphBreakChar(FX_WCHAR wch) = 0; - virtual void SetLineBreakTolerance(FX_FLOAT fTolerance) = 0; - virtual void SetHorizontalScale(int32_t iScale) = 0; - virtual void SetVerticalScale(int32_t iScale) = 0; - virtual void SetCharRotation(int32_t iCharRotation) = 0; - virtual void SetCharSpace(FX_FLOAT fCharSpace) = 0; - virtual void SetAlignment(int32_t iAlignment) = 0; - virtual uint32_t GetContextCharStyles() const = 0; - virtual void SetContextCharStyles(uint32_t dwCharStyles) = 0; - virtual void SetCombWidth(FX_FLOAT fCombWidth) = 0; - virtual void SetUserData(void* pUserData) = 0; - virtual uint32_t AppendChar(FX_WCHAR wch) = 0; - virtual uint32_t EndBreak(uint32_t dwStatus = FX_TXTBREAK_PieceBreak) = 0; - virtual int32_t CountBreakChars() const = 0; - virtual int32_t CountBreakPieces() const = 0; - virtual const CFX_TxtPiece* GetBreakPiece(int32_t index) const = 0; - virtual void ClearBreakPieces() = 0; - virtual void Reset() = 0; - virtual int32_t GetDisplayPos( - const FX_TXTRUN* pTxtRun, - FXTEXT_CHARPOS* pCharPos, - FX_BOOL bCharCode = FALSE, - CFX_WideString* pWSForms = NULL, - FX_AdjustCharDisplayPos pAdjustPos = NULL) const = 0; - virtual int32_t GetCharRects(const FX_TXTRUN* pTxtRun, - CFX_RectFArray& rtArray, - FX_BOOL bCharBBox = FALSE) const = 0; + CFX_TxtBreak(uint32_t dwPolicies); + ~CFX_TxtBreak(); + + void Release() { delete this; } + void SetLineWidth(FX_FLOAT fLineWidth); + void SetLinePos(FX_FLOAT fLinePos); + uint32_t GetLayoutStyles() const { return m_dwLayoutStyles; } + void SetLayoutStyles(uint32_t dwLayoutStyles); + void SetFont(IFX_Font* pFont); + void SetFontSize(FX_FLOAT fFontSize); + void SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant); + void SetDefaultChar(FX_WCHAR wch); + void SetParagraphBreakChar(FX_WCHAR wch); + void SetLineBreakTolerance(FX_FLOAT fTolerance); + void SetHorizontalScale(int32_t iScale); + void SetVerticalScale(int32_t iScale); + void SetCharRotation(int32_t iCharRotation); + void SetCharSpace(FX_FLOAT fCharSpace); + void SetAlignment(int32_t iAlignment); + uint32_t GetContextCharStyles() const; + void SetContextCharStyles(uint32_t dwCharStyles); + void SetCombWidth(FX_FLOAT fCombWidth); + void SetUserData(void* pUserData); + uint32_t AppendChar(FX_WCHAR wch); + uint32_t EndBreak(uint32_t dwStatus = FX_TXTBREAK_PieceBreak); + int32_t CountBreakChars() const; + int32_t CountBreakPieces() const; + const CFX_TxtPiece* GetBreakPiece(int32_t index) const; + void ClearBreakPieces(); + void Reset(); + int32_t GetDisplayPos(const FX_TXTRUN* pTxtRun, + FXTEXT_CHARPOS* pCharPos, + FX_BOOL bCharCode = FALSE, + CFX_WideString* pWSForms = NULL, + FX_AdjustCharDisplayPos pAdjustPos = NULL) const; + int32_t GetCharRects(const FX_TXTRUN* pTxtRun, + CFX_RectFArray& rtArray, + FX_BOOL bCharBBox = FALSE) const; + void AppendChar_PageLoad(CFX_Char* pCurChar, uint32_t dwProps); + uint32_t AppendChar_Combination(CFX_Char* pCurChar, int32_t iRotation); + uint32_t AppendChar_Tab(CFX_Char* pCurChar, int32_t iRotation); + uint32_t AppendChar_Control(CFX_Char* pCurChar, int32_t iRotation); + uint32_t AppendChar_Arabic(CFX_Char* pCurChar, int32_t iRotation); + uint32_t AppendChar_Others(CFX_Char* pCurChar, int32_t iRotation); + + protected: + uint32_t m_dwPolicies; + FX_BOOL m_bPagination; + CFX_ArabicChar* m_pArabicChar; + int32_t m_iLineWidth; + uint32_t m_dwLayoutStyles; + FX_BOOL m_bVertical; + FX_BOOL m_bArabicContext; + FX_BOOL m_bArabicShapes; + FX_BOOL m_bRTL; + FX_BOOL m_bSingleLine; + FX_BOOL m_bCombText; + int32_t m_iArabicContext; + int32_t m_iCurArabicContext; + IFX_Font* m_pFont; + int32_t m_iFontSize; + FX_BOOL m_bEquidistant; + int32_t m_iTabWidth; + FX_WCHAR m_wDefChar; + FX_WCHAR m_wParagBreakChar; + int32_t m_iDefChar; + int32_t m_iLineRotation; + int32_t m_iCharRotation; + int32_t m_iRotation; + int32_t m_iAlignment; + uint32_t m_dwContextCharStyles; + int32_t m_iCombWidth; + void* m_pUserData; + uint32_t m_dwCharType; + FX_BOOL m_bCurRTL; + int32_t m_iCurAlignment; + FX_BOOL m_bArabicNumber; + FX_BOOL m_bArabicComma; + CFX_TxtLine* m_pTxtLine1; + CFX_TxtLine* m_pTxtLine2; + CFX_TxtLine* m_pCurLine; + int32_t m_iReady; + int32_t m_iTolerance; + int32_t m_iHorScale; + int32_t m_iVerScale; + int32_t m_iCharSpace; + void SetBreakStatus(); + int32_t GetLineRotation(uint32_t dwStyles) const; + CFX_TxtChar* GetLastChar(int32_t index, FX_BOOL bOmitChar = TRUE) const; + CFX_TxtLine* GetTxtLine(FX_BOOL bReady) const; + CFX_TxtPieceArray* GetTxtPieces(FX_BOOL bReady) const; + uint32_t GetUnifiedCharType(uint32_t dwType) const; + void ResetArabicContext(); + void ResetContextCharStyles(); + void EndBreak_UpdateArabicShapes(); + FX_BOOL EndBreak_SplitLine(CFX_TxtLine* pNextLine, + FX_BOOL bAllChars, + uint32_t dwStatus); + void EndBreak_BidiLine(CFX_TPOArray& tpos, uint32_t dwStatus); + void EndBreak_Alignment(CFX_TPOArray& tpos, + FX_BOOL bAllChars, + uint32_t dwStatus); + int32_t GetBreakPos(CFX_TxtCharArray& ca, + int32_t& iEndPos, + FX_BOOL bAllChars = FALSE, + FX_BOOL bOnlyBrk = FALSE); + void SplitTextLine(CFX_TxtLine* pCurLine, + CFX_TxtLine* pNextLine, + FX_BOOL bAllChars = FALSE); }; #endif // XFA_FGAS_LAYOUT_FGAS_TEXTBREAK_H_ |