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Unified Diff: xfa/fgas/layout/fgas_textbreak.h

Issue 1882213002: Cleanup various IFX_ text interfaces. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Created 4 years, 8 months ago
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Index: xfa/fgas/layout/fgas_textbreak.h
diff --git a/xfa/fgas/layout/fgas_textbreak.h b/xfa/fgas/layout/fgas_textbreak.h
index af817547d313de97a4d874422618b6984a5ca328..b83f2604c8c6673945b8885112da086ae8b9fdaf 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_
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