diff options
Diffstat (limited to 'xfa/src/fgas/layout/fgas_textbreak.cpp')
| -rw-r--r-- | xfa/src/fgas/layout/fgas_textbreak.cpp | 1824 |
1 files changed, 0 insertions, 1824 deletions
diff --git a/xfa/src/fgas/layout/fgas_textbreak.cpp b/xfa/src/fgas/layout/fgas_textbreak.cpp deleted file mode 100644 index af7be50a51..0000000000 --- a/xfa/src/fgas/layout/fgas_textbreak.cpp +++ /dev/null @@ -1,1824 +0,0 @@ -// 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 - -#include "xfa/src/fgas/layout/fgas_textbreak.h" - -#include <algorithm> - -#include "core/include/fxcrt/fx_arb.h" -#include "core/include/fxcrt/fx_memory.h" -#include "xfa/src/fgas/layout/fgas_linebreak.h" -#include "xfa/src/fgas/layout/fgas_unicode.h" - -namespace { - -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 IFX_TxtBreak { - public: - CFX_TxtBreak(FX_DWORD dwPolicies); - ~CFX_TxtBreak(); - virtual void Release() { delete this; } - virtual void SetLineWidth(FX_FLOAT fLineWidth); - virtual void SetLinePos(FX_FLOAT fLinePos); - virtual FX_DWORD GetLayoutStyles() const { return m_dwLayoutStyles; } - virtual void SetLayoutStyles(FX_DWORD dwLayoutStyles); - virtual void SetFont(IFX_Font* pFont); - virtual void SetFontSize(FX_FLOAT fFontSize); - virtual void SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant); - virtual void SetDefaultChar(FX_WCHAR wch); - virtual void SetParagraphBreakChar(FX_WCHAR wch); - virtual void SetLineBreakTolerance(FX_FLOAT fTolerance); - virtual void SetHorizontalScale(int32_t iScale); - virtual void SetVerticalScale(int32_t iScale); - virtual void SetCharRotation(int32_t iCharRotation); - virtual void SetCharSpace(FX_FLOAT fCharSpace); - virtual void SetAlignment(int32_t iAlignment); - virtual FX_DWORD GetContextCharStyles() const; - virtual void SetContextCharStyles(FX_DWORD dwCharStyles); - virtual void SetCombWidth(FX_FLOAT fCombWidth); - virtual void SetUserData(void* pUserData); - virtual FX_DWORD AppendChar(FX_WCHAR wch); - virtual FX_DWORD EndBreak(FX_DWORD dwStatus = FX_TXTBREAK_PieceBreak); - virtual int32_t CountBreakChars() const; - virtual int32_t CountBreakPieces() const; - virtual const CFX_TxtPiece* GetBreakPiece(int32_t index) const; - virtual void ClearBreakPieces(); - virtual void Reset(); - virtual int32_t GetDisplayPos( - const FX_TXTRUN* pTxtRun, - FXTEXT_CHARPOS* pCharPos, - FX_BOOL bCharCode = FALSE, - CFX_WideString* pWSForms = NULL, - FX_AdjustCharDisplayPos pAdjustPos = NULL) const; - virtual int32_t GetCharRects(const FX_TXTRUN* pTxtRun, - CFX_RectFArray& rtArray, - FX_BOOL bCharBBox = FALSE) const; - void AppendChar_PageLoad(CFX_Char* pCurChar, FX_DWORD dwProps); - FX_DWORD AppendChar_Combination(CFX_Char* pCurChar, int32_t iRotation); - FX_DWORD AppendChar_Tab(CFX_Char* pCurChar, int32_t iRotation); - FX_DWORD AppendChar_Control(CFX_Char* pCurChar, int32_t iRotation); - FX_DWORD AppendChar_Arabic(CFX_Char* pCurChar, int32_t iRotation); - FX_DWORD AppendChar_Others(CFX_Char* pCurChar, int32_t iRotation); - - protected: - FX_DWORD m_dwPolicies; - FX_BOOL m_bPagination; - IFX_ArabicChar* m_pArabicChar; - int32_t m_iLineWidth; - FX_DWORD 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; - FX_DWORD m_dwContextCharStyles; - int32_t m_iCombWidth; - void* m_pUserData; - FX_DWORD 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(FX_DWORD 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; - FX_DWORD GetUnifiedCharType(FX_DWORD dwType) const; - void ResetArabicContext(); - void ResetContextCharStyles(); - void EndBreak_UpdateArabicShapes(); - FX_BOOL EndBreak_SplitLine(CFX_TxtLine* 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); - 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); -}; - -} // namespace - -extern const FX_LINEBREAKTYPE gs_FX_LineBreak_PairTable[64][32]; -IFX_TxtBreak* IFX_TxtBreak::Create(FX_DWORD dwPolicies) { - return new CFX_TxtBreak(dwPolicies); -} -CFX_TxtBreak::CFX_TxtBreak(FX_DWORD dwPolicies) - : m_dwPolicies(dwPolicies), - m_pArabicChar(NULL), - m_iLineWidth(2000000), - m_dwLayoutStyles(0), - m_bVertical(FALSE), - m_bArabicContext(FALSE), - m_bArabicShapes(FALSE), - m_bRTL(FALSE), - m_bSingleLine(FALSE), - m_bCombText(FALSE), - m_iArabicContext(1), - m_iCurArabicContext(1), - m_pFont(NULL), - m_iFontSize(240), - m_bEquidistant(TRUE), - m_iTabWidth(720000), - m_wDefChar(0xFEFF), - m_wParagBreakChar(L'\n'), - m_iDefChar(0), - m_iLineRotation(0), - m_iCharRotation(0), - m_iRotation(0), - m_iAlignment(FX_TXTLINEALIGNMENT_Left), - m_dwContextCharStyles(0), - m_iCombWidth(360000), - m_pUserData(NULL), - m_dwCharType(0), - m_bArabicNumber(FALSE), - m_bArabicComma(FALSE), - m_pCurLine(NULL), - m_iReady(0), - m_iTolerance(0), - m_iHorScale(100), - m_iVerScale(100), - m_iCharSpace(0) { - m_bPagination = (m_dwPolicies & FX_TXTBREAKPOLICY_Pagination) != 0; - m_pArabicChar = IFX_ArabicChar::Create(); - if (m_bPagination) { - m_pTxtLine1 = new CFX_TxtLine(sizeof(CFX_Char)); - m_pTxtLine2 = new CFX_TxtLine(sizeof(CFX_Char)); - } else { - m_pTxtLine1 = new CFX_TxtLine(sizeof(CFX_TxtChar)); - m_pTxtLine2 = new CFX_TxtLine(sizeof(CFX_TxtChar)); - } - m_pCurLine = m_pTxtLine1; - ResetArabicContext(); -} -CFX_TxtBreak::~CFX_TxtBreak() { - Reset(); - delete m_pTxtLine1; - delete m_pTxtLine2; - m_pArabicChar->Release(); -} -void CFX_TxtBreak::SetLineWidth(FX_FLOAT fLineWidth) { - m_iLineWidth = FXSYS_round(fLineWidth * 20000.0f); - FXSYS_assert(m_iLineWidth >= 20000); -} -void CFX_TxtBreak::SetLinePos(FX_FLOAT fLinePos) { - int32_t iLinePos = FXSYS_round(fLinePos * 20000.0f); - if (iLinePos < 0) { - iLinePos = 0; - } - if (iLinePos > m_iLineWidth) { - iLinePos = m_iLineWidth; - } - m_pCurLine->m_iStart = iLinePos; - m_pCurLine->m_iWidth += iLinePos; -} -void CFX_TxtBreak::SetLayoutStyles(FX_DWORD dwLayoutStyles) { - m_dwLayoutStyles = dwLayoutStyles; - m_bVertical = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_VerticalChars) != 0; - m_bArabicContext = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_ArabicContext) != 0; - m_bArabicShapes = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_ArabicShapes) != 0; - m_bRTL = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_RTLReadingOrder) != 0; - m_bSingleLine = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_SingleLine) != 0; - m_bCombText = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_CombText) != 0; - ResetArabicContext(); - m_iLineRotation = GetLineRotation(m_dwLayoutStyles); - m_iRotation = m_iLineRotation + m_iCharRotation; - m_iRotation %= 4; -} -void CFX_TxtBreak::SetFont(IFX_Font* pFont) { - if (pFont == NULL) { - return; - } - if (m_pFont == pFont) { - return; - } - SetBreakStatus(); - m_pFont = pFont; - m_iDefChar = 0; - if (m_wDefChar != 0xFEFF && m_pFont != NULL) { - m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE); - m_iDefChar *= m_iFontSize; - } -} -void CFX_TxtBreak::SetFontSize(FX_FLOAT fFontSize) { - int32_t iFontSize = FXSYS_round(fFontSize * 20.0f); - if (m_iFontSize == iFontSize) { - return; - } - SetBreakStatus(); - m_iFontSize = iFontSize; - m_iDefChar = 0; - if (m_wDefChar != 0xFEFF && m_pFont != NULL) { - m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE); - m_iDefChar *= m_iFontSize; - } -} -void CFX_TxtBreak::SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant) { - m_iTabWidth = FXSYS_round(fTabWidth * 20000.0f); - if (m_iTabWidth < FX_TXTBREAK_MinimumTabWidth) { - m_iTabWidth = FX_TXTBREAK_MinimumTabWidth; - } - m_bEquidistant = bEquidistant; -} -void CFX_TxtBreak::SetDefaultChar(FX_WCHAR wch) { - m_wDefChar = wch; - m_iDefChar = 0; - if (m_wDefChar != 0xFEFF && m_pFont != NULL) { - m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE); - if (m_iDefChar < 0) { - m_iDefChar = 0; - } else { - m_iDefChar *= m_iFontSize; - } - } -} -void CFX_TxtBreak::SetParagraphBreakChar(FX_WCHAR wch) { - if (wch != L'\r' && wch != L'\n') { - return; - } - m_wParagBreakChar = wch; -} -void CFX_TxtBreak::SetLineBreakTolerance(FX_FLOAT fTolerance) { - m_iTolerance = FXSYS_round(fTolerance * 20000.0f); -} -void CFX_TxtBreak::SetCharRotation(int32_t iCharRotation) { - if (iCharRotation < 0) { - iCharRotation += (-iCharRotation / 4 + 1) * 4; - } else if (iCharRotation > 3) { - iCharRotation -= (iCharRotation / 4) * 4; - } - if (m_iCharRotation == iCharRotation) { - return; - } - SetBreakStatus(); - m_iCharRotation = iCharRotation; - m_iRotation = m_iLineRotation + m_iCharRotation; - m_iRotation %= 4; -} -void CFX_TxtBreak::SetAlignment(int32_t iAlignment) { - FXSYS_assert(iAlignment >= FX_TXTLINEALIGNMENT_Left && - iAlignment <= FX_TXTLINEALIGNMENT_Distributed); - m_iAlignment = iAlignment; - ResetArabicContext(); -} -void CFX_TxtBreak::ResetContextCharStyles() { - m_dwContextCharStyles = m_bArabicContext ? m_iCurAlignment : m_iAlignment; - if (m_bArabicNumber) { - m_dwContextCharStyles |= FX_TXTCHARSTYLE_ArabicNumber; - } - if (m_bArabicComma) { - m_dwContextCharStyles |= FX_TXTCHARSTYLE_ArabicComma; - } - if ((m_bArabicContext && m_bCurRTL) || (!m_bArabicContext && m_bRTL)) { - m_dwContextCharStyles |= FX_TXTCHARSTYLE_RTLReadingOrder; - } - m_dwContextCharStyles |= (m_iArabicContext << 8); -} -FX_DWORD CFX_TxtBreak::GetContextCharStyles() const { - return m_dwContextCharStyles; -} -void CFX_TxtBreak::SetContextCharStyles(FX_DWORD dwCharStyles) { - m_iCurAlignment = dwCharStyles & 0x0F; - m_bArabicNumber = (dwCharStyles & FX_TXTCHARSTYLE_ArabicNumber) != 0; - m_bArabicComma = (dwCharStyles & FX_TXTCHARSTYLE_ArabicComma) != 0; - m_bCurRTL = (dwCharStyles & FX_TXTCHARSTYLE_RTLReadingOrder) != 0; - m_iCurArabicContext = m_iArabicContext = ((dwCharStyles & 0x0300) >> 8); - ResetContextCharStyles(); -} -void CFX_TxtBreak::SetCombWidth(FX_FLOAT fCombWidth) { - m_iCombWidth = FXSYS_round(fCombWidth * 20000.0f); -} -void CFX_TxtBreak::SetUserData(void* pUserData) { - if (m_pUserData == pUserData) { - return; - } - SetBreakStatus(); - m_pUserData = pUserData; -} -void CFX_TxtBreak::SetBreakStatus() { - if (m_bPagination) { - return; - } - int32_t iCount = m_pCurLine->CountChars(); - if (iCount < 1) { - return; - } - CFX_TxtChar* pTC = (CFX_TxtChar*)m_pCurLine->GetCharPtr(iCount - 1); - if (pTC->m_dwStatus == 0) { - pTC->m_dwStatus = FX_TXTBREAK_PieceBreak; - } -} -void CFX_TxtBreak::SetHorizontalScale(int32_t iScale) { - if (iScale < 0) { - iScale = 0; - } - if (iScale == m_iHorScale) { - return; - } - SetBreakStatus(); - m_iHorScale = iScale; -} -void CFX_TxtBreak::SetVerticalScale(int32_t iScale) { - if (iScale < 0) { - iScale = 0; - } - if (iScale == m_iHorScale) { - return; - } - SetBreakStatus(); - m_iVerScale = iScale; -} -void CFX_TxtBreak::SetCharSpace(FX_FLOAT fCharSpace) { - m_iCharSpace = FXSYS_round(fCharSpace * 20000.0f); -} -static const int32_t gs_FX_TxtLineRotations[8] = {0, 3, 1, 0, 2, 1, 3, 2}; -int32_t CFX_TxtBreak::GetLineRotation(FX_DWORD dwStyles) const { - return gs_FX_TxtLineRotations[(dwStyles & 0x0E) >> 1]; -} -CFX_TxtChar* CFX_TxtBreak::GetLastChar(int32_t index, FX_BOOL bOmitChar) const { - CFX_TxtCharArray& ca = *m_pCurLine->m_pLineChars; - int32_t iCount = ca.GetSize(); - if (index < 0 || index >= iCount) { - return NULL; - } - CFX_TxtChar* pTC; - int32_t iStart = iCount - 1; - while (iStart > -1) { - pTC = ca.GetDataPtr(iStart--); - if (bOmitChar && pTC->GetCharType() == FX_CHARTYPE_Combination) { - continue; - } - if (--index < 0) { - return pTC; - } - } - return NULL; -} -CFX_TxtLine* CFX_TxtBreak::GetTxtLine(FX_BOOL bReady) const { - if (!bReady) { - return m_pCurLine; - } - if (m_iReady == 1) { - return m_pTxtLine1; - } else if (m_iReady == 2) { - return m_pTxtLine2; - } else { - return NULL; - } -} -CFX_TxtPieceArray* CFX_TxtBreak::GetTxtPieces(FX_BOOL bReady) const { - CFX_TxtLine* pTxtLine = GetTxtLine(bReady); - if (pTxtLine == NULL) { - return NULL; - } - return pTxtLine->m_pLinePieces; -} -inline FX_DWORD CFX_TxtBreak::GetUnifiedCharType(FX_DWORD dwType) const { - return dwType >= FX_CHARTYPE_ArabicAlef ? FX_CHARTYPE_Arabic : dwType; -} -void CFX_TxtBreak::ResetArabicContext() { - if (m_bArabicContext) { - m_bCurRTL = m_iCurArabicContext > 1; - m_iCurAlignment = m_iCurArabicContext > 1 ? FX_TXTLINEALIGNMENT_Right - : FX_TXTLINEALIGNMENT_Left; - m_iCurAlignment |= (m_iAlignment & FX_TXTLINEALIGNMENT_HigherMask); - m_bArabicNumber = m_iArabicContext >= 1 && m_bArabicShapes; - } else { - if (m_bPagination) { - m_bCurRTL = FALSE; - m_iCurAlignment = 0; - } else { - m_bCurRTL = m_bRTL; - m_iCurAlignment = m_iAlignment; - } - if (m_bRTL) { - m_bArabicNumber = m_iArabicContext >= 1; - } else { - m_bArabicNumber = m_iArabicContext > 1; - } - m_bArabicNumber = m_bArabicNumber && m_bArabicShapes; - } - m_bArabicComma = m_bArabicNumber; - ResetContextCharStyles(); -} -void CFX_TxtBreak::AppendChar_PageLoad(CFX_Char* pCurChar, FX_DWORD dwProps) { - if (!m_bPagination) { - ((CFX_TxtChar*)pCurChar)->m_dwStatus = 0; - ((CFX_TxtChar*)pCurChar)->m_pUserData = m_pUserData; - } - if (m_bArabicContext || m_bArabicShapes) { - int32_t iBidiCls = (dwProps & FX_BIDICLASSBITSMASK) >> FX_BIDICLASSBITS; - int32_t iArabicContext = - (iBidiCls == FX_BIDICLASS_R || iBidiCls == FX_BIDICLASS_AL) - ? 2 - : ((iBidiCls == FX_BIDICLASS_L || iBidiCls == FX_BIDICLASS_S) ? 0 - : 1); - if (iArabicContext != m_iArabicContext && iArabicContext != 1) { - m_iArabicContext = iArabicContext; - if (m_iCurArabicContext == 1) { - m_iCurArabicContext = iArabicContext; - } - ResetArabicContext(); - if (!m_bPagination) { - CFX_TxtChar* pLastChar = (CFX_TxtChar*)GetLastChar(1, FALSE); - if (pLastChar != NULL && pLastChar->m_dwStatus < 1) { - pLastChar->m_dwStatus = FX_TXTBREAK_PieceBreak; - } - } - } - } - pCurChar->m_dwCharStyles = m_dwContextCharStyles; -} -FX_DWORD CFX_TxtBreak::AppendChar_Combination(CFX_Char* pCurChar, - int32_t iRotation) { - FXSYS_assert(pCurChar != NULL); - FX_WCHAR wch = pCurChar->m_wCharCode; - FX_WCHAR wForm; - int32_t iCharWidth = 0; - CFX_Char* pLastChar; - pCurChar->m_iCharWidth = -1; - if (m_bCombText) { - iCharWidth = m_iCombWidth; - } else { - if (m_bVertical != FX_IsOdd(iRotation)) { - iCharWidth = 1000; - } else { - wForm = wch; - if (!m_bPagination) { - pLastChar = GetLastChar(0, FALSE); - if (pLastChar != NULL && - (((CFX_TxtChar*)pLastChar)->m_dwCharStyles & - FX_TXTCHARSTYLE_ArabicShadda) == 0) { - FX_BOOL bShadda = FALSE; - if (wch == 0x0651) { - FX_WCHAR wLast = pLastChar->m_wCharCode; - if (wLast >= 0x064C && wLast <= 0x0650) { - wForm = FX_GetArabicFromShaddaTable(wLast); - bShadda = TRUE; - } - } else if (wch >= 0x064C && wch <= 0x0650) { - if (pLastChar->m_wCharCode == 0x0651) { - wForm = FX_GetArabicFromShaddaTable(wch); - bShadda = TRUE; - } - } - if (bShadda) { - ((CFX_TxtChar*)pLastChar)->m_dwCharStyles |= - FX_TXTCHARSTYLE_ArabicShadda; - ((CFX_TxtChar*)pLastChar)->m_iCharWidth = 0; - ((CFX_TxtChar*)pCurChar)->m_dwCharStyles |= - FX_TXTCHARSTYLE_ArabicShadda; - } - } - } - if (!m_pFont->GetCharWidth(wForm, iCharWidth, FALSE)) { - iCharWidth = 0; - } - } - iCharWidth *= m_iFontSize; - iCharWidth = iCharWidth * m_iHorScale / 100; - } - pCurChar->m_iCharWidth = -iCharWidth; - return FX_TXTBREAK_None; -} -FX_DWORD CFX_TxtBreak::AppendChar_Tab(CFX_Char* pCurChar, int32_t iRotation) { - m_dwCharType = FX_CHARTYPE_Tab; - if ((m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_ExpandTab) == 0) { - return FX_TXTBREAK_None; - } - int32_t& iLineWidth = m_pCurLine->m_iWidth; - int32_t iCharWidth; - if (m_bCombText) { - iCharWidth = m_iCombWidth; - } else { - if (m_bEquidistant) { - iCharWidth = iLineWidth; - iCharWidth = m_iTabWidth * (iCharWidth / m_iTabWidth + 1) - iCharWidth; - if (iCharWidth < FX_TXTBREAK_MinimumTabWidth) { - iCharWidth += m_iTabWidth; - } - } else { - iCharWidth = m_iTabWidth; - } - } - pCurChar->m_iCharWidth = iCharWidth; - iLineWidth += iCharWidth; - if (!m_bSingleLine && iLineWidth >= m_iLineWidth + m_iTolerance) { - return EndBreak(FX_TXTBREAK_LineBreak); - } - return FX_TXTBREAK_None; -} -FX_DWORD CFX_TxtBreak::AppendChar_Control(CFX_Char* pCurChar, - int32_t iRotation) { - m_dwCharType = FX_CHARTYPE_Control; - FX_DWORD dwRet = FX_TXTBREAK_None; - if (!m_bSingleLine) { - FX_WCHAR wch = pCurChar->m_wCharCode; - switch (wch) { - case L'\v': - case 0x2028: - dwRet = FX_TXTBREAK_LineBreak; - break; - case L'\f': - dwRet = FX_TXTBREAK_PageBreak; - break; - case 0x2029: - dwRet = FX_TXTBREAK_ParagraphBreak; - break; - default: - if (wch == m_wParagBreakChar) { - dwRet = FX_TXTBREAK_ParagraphBreak; - } - break; - } - if (dwRet != FX_TXTBREAK_None) { - dwRet = EndBreak(dwRet); - } - } - return dwRet; -} -FX_DWORD CFX_TxtBreak::AppendChar_Arabic(CFX_Char* pCurChar, - int32_t iRotation) { - FX_DWORD dwType = (pCurChar->m_dwCharProps & FX_CHARTYPEBITSMASK); - int32_t& iLineWidth = m_pCurLine->m_iWidth; - FX_WCHAR wForm; - int32_t iCharWidth = 0; - CFX_Char* pLastChar = NULL; - FX_BOOL bAlef = FALSE; - if (!m_bCombText && m_dwCharType >= FX_CHARTYPE_ArabicAlef && - m_dwCharType <= FX_CHARTYPE_ArabicDistortion) { - pLastChar = GetLastChar(1); - if (pLastChar != NULL) { - iCharWidth = pLastChar->m_iCharWidth; - if (iCharWidth > 0) { - iLineWidth -= iCharWidth; - } - CFX_Char* pPrevChar = GetLastChar(2); - wForm = m_pArabicChar->GetFormChar(pLastChar, pPrevChar, pCurChar); - bAlef = (wForm == 0xFEFF && - pLastChar->GetCharType() == FX_CHARTYPE_ArabicAlef); - int32_t iLastRotation = pLastChar->m_nRotation + m_iLineRotation; - if (m_bVertical && (pLastChar->m_dwCharProps & 0x8000) != 0) { - iLastRotation++; - } - if (m_bVertical != FX_IsOdd(iLastRotation)) { - iCharWidth = 1000; - } else { - m_pFont->GetCharWidth(wForm, iCharWidth, FALSE); - } - if (wForm == 0xFEFF) { - iCharWidth = m_iDefChar; - } - iCharWidth *= m_iFontSize; - iCharWidth = iCharWidth * m_iHorScale / 100; - pLastChar->m_iCharWidth = iCharWidth; - iLineWidth += iCharWidth; - iCharWidth = 0; - } - } - m_dwCharType = dwType; - wForm = m_pArabicChar->GetFormChar(pCurChar, bAlef ? NULL : pLastChar, NULL); - if (m_bCombText) { - iCharWidth = m_iCombWidth; - } else { - if (m_bVertical != FX_IsOdd(iRotation)) { - iCharWidth = 1000; - } else { - m_pFont->GetCharWidth(wForm, iCharWidth, FALSE); - } - if (wForm == 0xFEFF) { - iCharWidth = m_iDefChar; - } - iCharWidth *= m_iFontSize; - iCharWidth = iCharWidth * m_iHorScale / 100; - } - pCurChar->m_iCharWidth = iCharWidth; - iLineWidth += iCharWidth; - m_pCurLine->m_iArabicChars++; - if (!m_bSingleLine && iLineWidth > m_iLineWidth + m_iTolerance) { - return EndBreak(FX_TXTBREAK_LineBreak); - } - return FX_TXTBREAK_None; -} -FX_DWORD CFX_TxtBreak::AppendChar_Others(CFX_Char* pCurChar, - int32_t iRotation) { - FX_DWORD dwProps = pCurChar->m_dwCharProps; - FX_DWORD dwType = (dwProps & FX_CHARTYPEBITSMASK); - int32_t& iLineWidth = m_pCurLine->m_iWidth; - int32_t iCharWidth = 0; - m_dwCharType = dwType; - FX_WCHAR wch = pCurChar->m_wCharCode; - FX_WCHAR wForm = wch; - if (dwType == FX_CHARTYPE_Numeric) { - if (m_bArabicNumber) { - wForm = wch + 0x0630; - pCurChar->m_dwCharStyles |= FX_TXTCHARSTYLE_ArabicIndic; - } - } else if (wch == L',') { - if (m_bArabicShapes && m_iCurArabicContext > 0) { - wForm = 0x060C; - pCurChar->m_dwCharStyles |= FX_TXTCHARSTYLE_ArabicComma; - } - } else if (m_bCurRTL || m_bVertical) { - wForm = FX_GetMirrorChar(wch, dwProps, m_bCurRTL, m_bVertical); - } - if (m_bCombText) { - iCharWidth = m_iCombWidth; - } else { - if (m_bVertical != FX_IsOdd(iRotation)) { - iCharWidth = 1000; - } else if (!m_pFont->GetCharWidth(wForm, iCharWidth, FALSE)) { - iCharWidth = m_iDefChar; - } - iCharWidth *= m_iFontSize; - iCharWidth = iCharWidth * m_iHorScale / 100; - } - iCharWidth += m_iCharSpace; - pCurChar->m_iCharWidth = iCharWidth; - iLineWidth += iCharWidth; - FX_BOOL bBreak = (dwType != FX_CHARTYPE_Space || - (m_dwPolicies & FX_TXTBREAKPOLICY_SpaceBreak) != 0); - if (!m_bSingleLine && bBreak && iLineWidth > m_iLineWidth + m_iTolerance) { - return EndBreak(FX_TXTBREAK_LineBreak); - } - return FX_TXTBREAK_None; -} -typedef FX_DWORD (CFX_TxtBreak::*FX_TxtBreak_LPFAppendChar)(CFX_Char* pCurChar, - int32_t iRotation); -static const FX_TxtBreak_LPFAppendChar g_FX_TxtBreak_lpfAppendChar[16] = { - &CFX_TxtBreak::AppendChar_Others, &CFX_TxtBreak::AppendChar_Tab, - &CFX_TxtBreak::AppendChar_Others, &CFX_TxtBreak::AppendChar_Control, - &CFX_TxtBreak::AppendChar_Combination, &CFX_TxtBreak::AppendChar_Others, - &CFX_TxtBreak::AppendChar_Others, &CFX_TxtBreak::AppendChar_Arabic, - &CFX_TxtBreak::AppendChar_Arabic, &CFX_TxtBreak::AppendChar_Arabic, - &CFX_TxtBreak::AppendChar_Arabic, &CFX_TxtBreak::AppendChar_Arabic, - &CFX_TxtBreak::AppendChar_Arabic, &CFX_TxtBreak::AppendChar_Others, - &CFX_TxtBreak::AppendChar_Others, &CFX_TxtBreak::AppendChar_Others, -}; -FX_DWORD CFX_TxtBreak::AppendChar(FX_WCHAR wch) { - FX_DWORD dwProps = kTextLayoutCodeProperties[(FX_WORD)wch]; - FX_DWORD dwType = (dwProps & FX_CHARTYPEBITSMASK); - CFX_TxtChar* pCurChar = m_pCurLine->m_pLineChars->AddSpace(); - pCurChar->m_wCharCode = (FX_WORD)wch; - pCurChar->m_nRotation = m_iCharRotation; - pCurChar->m_dwCharProps = dwProps; - pCurChar->m_dwCharStyles = 0; - pCurChar->m_iCharWidth = 0; - pCurChar->m_iHorizontalScale = m_iHorScale; - pCurChar->m_iVertialScale = m_iVerScale; - pCurChar->m_dwStatus = 0; - pCurChar->m_iBidiClass = 0; - pCurChar->m_iBidiLevel = 0; - pCurChar->m_iBidiPos = 0; - pCurChar->m_iBidiOrder = 0; - pCurChar->m_pUserData = NULL; - AppendChar_PageLoad(pCurChar, dwProps); - FX_DWORD dwRet1 = FX_TXTBREAK_None; - if (dwType != FX_CHARTYPE_Combination && - GetUnifiedCharType(m_dwCharType) != GetUnifiedCharType(dwType)) { - if (m_dwCharType > 0 && - m_pCurLine->m_iWidth > m_iLineWidth + m_iTolerance && !m_bSingleLine) { - if (m_dwCharType != FX_CHARTYPE_Space || dwType != FX_CHARTYPE_Control) { - dwRet1 = EndBreak(FX_TXTBREAK_LineBreak); - int32_t iCount = m_pCurLine->CountChars(); - if (iCount > 0) { - pCurChar = m_pCurLine->m_pLineChars->GetDataPtr(iCount - 1); - } - } - } - } - int32_t iRotation = m_iRotation; - if (m_bVertical && (dwProps & 0x8000) != 0) { - iRotation = (iRotation + 1) % 4; - } - FX_DWORD dwRet2 = - (this->*g_FX_TxtBreak_lpfAppendChar[dwType >> FX_CHARTYPEBITS])( - pCurChar, iRotation); - return std::max(dwRet1, dwRet2); -} -void CFX_TxtBreak::EndBreak_UpdateArabicShapes() { - FXSYS_assert(m_bArabicShapes); - int32_t iCount = m_pCurLine->CountChars(); - if (iCount < 2) { - return; - } - int32_t& iLineWidth = m_pCurLine->m_iWidth; - CFX_Char *pCur, *pNext; - pCur = m_pCurLine->GetCharPtr(0); - FX_BOOL bPrevNum = (pCur->m_dwCharStyles & FX_TXTCHARSTYLE_ArabicIndic) != 0; - pCur = m_pCurLine->GetCharPtr(1); - FX_WCHAR wch, wForm; - FX_BOOL bNextNum; - int32_t i = 1, iCharWidth, iRotation; - do { - i++; - if (i < iCount) { - pNext = m_pCurLine->GetCharPtr(i); - bNextNum = (pNext->m_dwCharStyles & FX_TXTCHARSTYLE_ArabicIndic) != 0; - } else { - pNext = NULL; - bNextNum = FALSE; - } - wch = pCur->m_wCharCode; - if (wch == L'.') { - if (bPrevNum && bNextNum) { - iRotation = m_iRotation; - if (m_bVertical && (pCur->m_dwCharProps & 0x8000) != 0) { - iRotation = ((iRotation + 1) & 0x03); - } - wForm = wch == L'.' ? 0x066B : 0x066C; - iLineWidth -= pCur->m_iCharWidth; - if (m_bCombText) { - iCharWidth = m_iCombWidth; - } else { - if (m_bVertical != FX_IsOdd(iRotation)) { - iCharWidth = 1000; - } else if (!m_pFont->GetCharWidth(wForm, iCharWidth, FALSE)) { - iCharWidth = m_iDefChar; - } - iCharWidth *= m_iFontSize; - iCharWidth = iCharWidth * m_iHorScale / 100; - } - pCur->m_iCharWidth = iCharWidth; - iLineWidth += iCharWidth; - } - } - bPrevNum = (pCur->m_dwCharStyles & FX_TXTCHARSTYLE_ArabicIndic) != 0; - pCur = pNext; - } while (i < iCount); -} -FX_BOOL CFX_TxtBreak::EndBreak_SplitLine(CFX_TxtLine* pNextLine, - FX_BOOL bAllChars, - FX_DWORD dwStatus) { - int32_t iCount = m_pCurLine->CountChars(); - FX_BOOL bDone = FALSE; - CFX_Char* pTC; - if (!m_bSingleLine && m_pCurLine->m_iWidth > m_iLineWidth + m_iTolerance) { - pTC = m_pCurLine->GetCharPtr(iCount - 1); - switch (pTC->GetCharType()) { - case FX_CHARTYPE_Tab: - case FX_CHARTYPE_Control: - break; - case FX_CHARTYPE_Space: - if ((m_dwPolicies & FX_TXTBREAKPOLICY_SpaceBreak) != 0) { - SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars); - bDone = TRUE; - } - break; - default: - SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars); - bDone = TRUE; - break; - } - } - iCount = m_pCurLine->CountChars(); - CFX_TxtPieceArray* pCurPieces = m_pCurLine->m_pLinePieces; - CFX_TxtPiece tp; - if (m_bPagination) { - tp.m_dwStatus = dwStatus; - tp.m_iStartPos = m_pCurLine->m_iStart; - tp.m_iWidth = m_pCurLine->m_iWidth; - tp.m_iStartChar = 0; - tp.m_iChars = iCount; - tp.m_pChars = m_pCurLine->m_pLineChars; - tp.m_pUserData = m_pUserData; - pTC = m_pCurLine->GetCharPtr(0); - tp.m_dwCharStyles = pTC->m_dwCharStyles; - tp.m_iHorizontalScale = pTC->m_iHorizontalScale; - tp.m_iVerticalScale = pTC->m_iVertialScale; - pCurPieces->Add(tp); - m_pCurLine = pNextLine; - m_dwCharType = 0; - return TRUE; - } - if (bAllChars && !bDone) { - int32_t iEndPos = m_pCurLine->m_iWidth; - GetBreakPos(*m_pCurLine->m_pLineChars, iEndPos, bAllChars, TRUE); - } - return FALSE; -} -void CFX_TxtBreak::EndBreak_BidiLine(CFX_TPOArray& tpos, FX_DWORD dwStatus) { - CFX_TxtPiece tp; - FX_TPO tpo; - CFX_TxtChar* pTC; - int32_t i, j; - CFX_TxtCharArray& chars = *m_pCurLine->m_pLineChars; - int32_t iCount = m_pCurLine->CountChars(); - FX_BOOL bDone = (m_pCurLine->m_iArabicChars > 0 || m_bCurRTL); - if (!m_bPagination && bDone) { - int32_t iBidiNum = 0; - for (i = 0; i < iCount; i++) { - pTC = chars.GetDataPtr(i); - pTC->m_iBidiPos = i; - if (pTC->GetCharType() != FX_CHARTYPE_Control) { - iBidiNum = i; - } - if (i == 0) { - pTC->m_iBidiLevel = 1; - } - } - FX_BidiLine(chars, iBidiNum + 1, m_bCurRTL ? 1 : 0); - } - CFX_TxtPieceArray* pCurPieces = m_pCurLine->m_pLinePieces; - if (!m_bPagination && - (bDone || (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_MutipleFormat) != 0)) { - tp.m_dwStatus = FX_TXTBREAK_PieceBreak; - tp.m_iStartPos = m_pCurLine->m_iStart; - tp.m_pChars = m_pCurLine->m_pLineChars; - int32_t iBidiLevel = -1, iCharWidth; - i = 0, j = -1; - while (i < iCount) { - pTC = chars.GetDataPtr(i); - if (iBidiLevel < 0) { - iBidiLevel = pTC->m_iBidiLevel; - tp.m_iWidth = 0; - tp.m_iBidiLevel = iBidiLevel; - tp.m_iBidiPos = pTC->m_iBidiOrder; - tp.m_dwCharStyles = pTC->m_dwCharStyles; - tp.m_pUserData = pTC->m_pUserData; - tp.m_iHorizontalScale = pTC->m_iHorizontalScale; - tp.m_iVerticalScale = pTC->m_iVertialScale; - tp.m_dwStatus = FX_TXTBREAK_PieceBreak; - } - if (iBidiLevel != pTC->m_iBidiLevel || pTC->m_dwStatus != 0) { - if (iBidiLevel == pTC->m_iBidiLevel) { - tp.m_dwStatus = pTC->m_dwStatus; - iCharWidth = pTC->m_iCharWidth; - if (iCharWidth > 0) { - tp.m_iWidth += iCharWidth; - } - i++; - } - tp.m_iChars = i - tp.m_iStartChar; - pCurPieces->Add(tp); - tp.m_iStartPos += tp.m_iWidth; - tp.m_iStartChar = i; - tpo.index = ++j; - tpo.pos = tp.m_iBidiPos; - tpos.Add(tpo); - iBidiLevel = -1; - } else { - iCharWidth = pTC->m_iCharWidth; - if (iCharWidth > 0) { - tp.m_iWidth += iCharWidth; - } - i++; - } - } - if (i > tp.m_iStartChar) { - tp.m_dwStatus = dwStatus; - tp.m_iChars = i - tp.m_iStartChar; - pCurPieces->Add(tp); - tpo.index = ++j; - tpo.pos = tp.m_iBidiPos; - tpos.Add(tpo); - } - if (j > -1) { - if (j > 0) { - FX_TEXTLAYOUT_PieceSort(tpos, 0, j); - int32_t iStartPos = 0; - for (i = 0; i <= j; i++) { - tpo = tpos.GetAt(i); - CFX_TxtPiece& ttp = pCurPieces->GetAt(tpo.index); - ttp.m_iStartPos = iStartPos; - iStartPos += ttp.m_iWidth; - } - } - CFX_TxtPiece& ttp = pCurPieces->GetAt(j); - ttp.m_dwStatus = dwStatus; - } - } else { - tp.m_dwStatus = dwStatus; - tp.m_iStartPos = m_pCurLine->m_iStart; - tp.m_iWidth = m_pCurLine->m_iWidth; - tp.m_iStartChar = 0; - tp.m_iChars = iCount; - tp.m_pChars = m_pCurLine->m_pLineChars; - tp.m_pUserData = m_pUserData; - pTC = chars.GetDataPtr(0); - tp.m_dwCharStyles = pTC->m_dwCharStyles; - tp.m_iHorizontalScale = pTC->m_iHorizontalScale; - tp.m_iVerticalScale = pTC->m_iVertialScale; - pCurPieces->Add(tp); - tpo.index = 0; - tpo.pos = 0; - tpos.Add(tpo); - } -} -void CFX_TxtBreak::EndBreak_Alignment(CFX_TPOArray& tpos, - FX_BOOL bAllChars, - FX_DWORD dwStatus) { - int32_t iNetWidth = m_pCurLine->m_iWidth, iGapChars = 0, iCharWidth; - CFX_TxtPieceArray* pCurPieces = m_pCurLine->m_pLinePieces; - int32_t i, j, iCount = pCurPieces->GetSize(); - FX_BOOL bFind = FALSE; - FX_TPO tpo; - CFX_TxtChar* pTC; - FX_DWORD dwCharType; - for (i = iCount - 1; i > -1; i--) { - tpo = tpos.GetAt(i); - CFX_TxtPiece& ttp = pCurPieces->GetAt(tpo.index); - if (!bFind) { - iNetWidth = ttp.GetEndPos(); - } - FX_BOOL bArabic = FX_IsOdd(ttp.m_iBidiLevel); - j = bArabic ? 0 : ttp.m_iChars - 1; - while (j > -1 && j < ttp.m_iChars) { - pTC = ttp.GetCharPtr(j); - if (pTC->m_nBreakType == FX_LBT_DIRECT_BRK) { - iGapChars++; - } - if (!bFind || !bAllChars) { - dwCharType = pTC->GetCharType(); - if (dwCharType == FX_CHARTYPE_Space || - dwCharType == FX_CHARTYPE_Control) { - if (!bFind) { - iCharWidth = pTC->m_iCharWidth; - if (bAllChars && iCharWidth > 0) { - iNetWidth -= iCharWidth; - } - } - } else { - bFind = TRUE; - if (!bAllChars) { - break; - } - } - } - j += bArabic ? 1 : -1; - } - if (!bAllChars && bFind) { - break; - } - } - int32_t iOffset = m_iLineWidth - iNetWidth; - int32_t iLowerAlignment = (m_iCurAlignment & FX_TXTLINEALIGNMENT_LowerMask); - int32_t iHigherAlignment = (m_iCurAlignment & FX_TXTLINEALIGNMENT_HigherMask); - if (iGapChars > 0 && (iHigherAlignment == FX_TXTLINEALIGNMENT_Distributed || - (iHigherAlignment == FX_TXTLINEALIGNMENT_Justified && - dwStatus != FX_TXTBREAK_ParagraphBreak))) { - int32_t iStart = -1; - for (i = 0; i < iCount; i++) { - tpo = tpos.GetAt(i); - CFX_TxtPiece& ttp = pCurPieces->GetAt(tpo.index); - if (iStart < -1) { - iStart = ttp.m_iStartPos; - } else { - ttp.m_iStartPos = iStart; - } - int32_t k; - for (j = 0; j < ttp.m_iChars; j++) { - pTC = ttp.GetCharPtr(j); - if (pTC->m_nBreakType != FX_LBT_DIRECT_BRK || pTC->m_iCharWidth < 0) { - continue; - } - k = iOffset / iGapChars; - pTC->m_iCharWidth += k; - ttp.m_iWidth += k; - iOffset -= k; - iGapChars--; - if (iGapChars < 1) { - break; - } - } - iStart += ttp.m_iWidth; - } - } else if (iLowerAlignment > FX_TXTLINEALIGNMENT_Left) { - if (iLowerAlignment == FX_TXTLINEALIGNMENT_Center) { - iOffset /= 2; - } - if (iOffset > 0) { - for (i = 0; i < iCount; i++) { - CFX_TxtPiece& ttp = pCurPieces->GetAt(i); - ttp.m_iStartPos += iOffset; - } - } - } -} -FX_DWORD CFX_TxtBreak::EndBreak(FX_DWORD dwStatus) { - FXSYS_assert(dwStatus >= FX_TXTBREAK_PieceBreak && - dwStatus <= FX_TXTBREAK_PageBreak); - CFX_TxtPieceArray* pCurPieces = m_pCurLine->m_pLinePieces; - int32_t iCount = pCurPieces->GetSize(); - if (iCount > 0) { - CFX_TxtPiece* pLastPiece = pCurPieces->GetPtrAt(--iCount); - if (dwStatus > FX_TXTBREAK_PieceBreak) { - pLastPiece->m_dwStatus = dwStatus; - } else { - dwStatus = pLastPiece->m_dwStatus; - } - return dwStatus; - } else { - CFX_TxtLine* pLastLine = GetTxtLine(TRUE); - if (pLastLine != NULL) { - pCurPieces = pLastLine->m_pLinePieces; - iCount = pCurPieces->GetSize(); - if (iCount-- > 0) { - CFX_TxtPiece* pLastPiece = pCurPieces->GetPtrAt(iCount); - if (dwStatus > FX_TXTBREAK_PieceBreak) { - pLastPiece->m_dwStatus = dwStatus; - } else { - dwStatus = pLastPiece->m_dwStatus; - } - return dwStatus; - } - return FX_TXTBREAK_None; - } - iCount = m_pCurLine->CountChars(); - if (iCount < 1) { - return FX_TXTBREAK_None; - } - if (!m_bPagination) { - CFX_TxtChar* pTC = m_pCurLine->GetCharPtr(iCount - 1); - pTC->m_dwStatus = dwStatus; - } - if (dwStatus <= FX_TXTBREAK_PieceBreak) { - return dwStatus; - } - } - m_iReady = (m_pCurLine == m_pTxtLine1) ? 1 : 2; - CFX_TxtLine* pNextLine = - (m_pCurLine == m_pTxtLine1) ? m_pTxtLine2 : m_pTxtLine1; - FX_BOOL bAllChars = (m_iCurAlignment > FX_TXTLINEALIGNMENT_Right); - CFX_TPOArray tpos; - CFX_Char* pTC; - if (m_bArabicShapes) { - EndBreak_UpdateArabicShapes(); - } - if (EndBreak_SplitLine(pNextLine, bAllChars, dwStatus)) { - goto EndBreak_Ret; - } - EndBreak_BidiLine(tpos, dwStatus); - if (!m_bPagination && m_iCurAlignment > FX_TXTLINEALIGNMENT_Left) { - EndBreak_Alignment(tpos, bAllChars, dwStatus); - } -EndBreak_Ret: - m_pCurLine = pNextLine; - pTC = GetLastChar(0, FALSE); - m_dwCharType = pTC == NULL ? 0 : pTC->GetCharType(); - if (dwStatus == FX_TXTBREAK_ParagraphBreak) { - m_iArabicContext = m_iCurArabicContext = 1; - ResetArabicContext(); - } - return dwStatus; -} -int32_t CFX_TxtBreak::GetBreakPos(CFX_TxtCharArray& ca, - int32_t& iEndPos, - FX_BOOL bAllChars, - FX_BOOL bOnlyBrk) { - int32_t iLength = ca.GetSize() - 1; - if (iLength < 1) { - return iLength; - } - int32_t iBreak = -1, iBreakPos = -1, iIndirect = -1, iIndirectPos = -1, - iLast = -1, iLastPos = -1; - if (m_bSingleLine || iEndPos <= m_iLineWidth) { - if (!bAllChars) { - return iLength; - } - iBreak = iLength; - iBreakPos = iEndPos; - } - FX_BOOL bSpaceBreak = (m_dwPolicies & FX_TXTBREAKPOLICY_SpaceBreak) != 0; - FX_BOOL bNumberBreak = (m_dwPolicies & FX_TXTBREAKPOLICY_NumberBreak) != 0; - FX_LINEBREAKTYPE eType; - FX_DWORD nCodeProp, nCur, nNext; - CFX_Char* pCur = ca.GetDataPtr(iLength--); - if (bAllChars) { - pCur->m_nBreakType = FX_LBT_UNKNOWN; - } - nCodeProp = pCur->m_dwCharProps; - nNext = nCodeProp & 0x003F; - int32_t iCharWidth = pCur->m_iCharWidth; - if (iCharWidth > 0) { - iEndPos -= iCharWidth; - } - while (iLength >= 0) { - pCur = ca.GetDataPtr(iLength); - nCodeProp = pCur->m_dwCharProps; - nCur = nCodeProp & 0x003F; - if (nCur == FX_CBP_SP) { - if (nNext == FX_CBP_SP) { - eType = bSpaceBreak ? FX_LBT_DIRECT_BRK : FX_LBT_PROHIBITED_BRK; - } else { - eType = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable + - (nCur << 5) + nNext); - } - } else if (bNumberBreak && nCur == FX_CBP_NU && nNext == FX_CBP_NU) { - eType = FX_LBT_DIRECT_BRK; - } else { - if (nNext == FX_CBP_SP) { - eType = FX_LBT_PROHIBITED_BRK; - } else { - eType = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable + - (nCur << 5) + nNext); - } - } - if (bAllChars) { - pCur->m_nBreakType = (uint8_t)eType; - } - if (!bOnlyBrk) { - if (m_bSingleLine || iEndPos <= m_iLineWidth || - (nCur == FX_CBP_SP && !bSpaceBreak)) { - if (eType == FX_LBT_DIRECT_BRK && iBreak < 0) { - iBreak = iLength; - iBreakPos = iEndPos; - if (!bAllChars) { - return iLength; - } - } else if (eType == FX_LBT_INDIRECT_BRK && iIndirect < 0) { - iIndirect = iLength; - iIndirectPos = iEndPos; - } - if (iLast < 0) { - iLast = iLength; - iLastPos = iEndPos; - } - } - iCharWidth = pCur->m_iCharWidth; - if (iCharWidth > 0) { - iEndPos -= iCharWidth; - } - } - nNext = nCodeProp & 0x003F; - iLength--; - } - if (bOnlyBrk) { - return 0; - } - if (iBreak > -1) { - iEndPos = iBreakPos; - return iBreak; - } - if (iIndirect > -1) { - iEndPos = iIndirectPos; - return iIndirect; - } - if (iLast > -1) { - iEndPos = iLastPos; - return iLast; - } - return 0; -} -void CFX_TxtBreak::SplitTextLine(CFX_TxtLine* pCurLine, - CFX_TxtLine* pNextLine, - FX_BOOL bAllChars) { - FXSYS_assert(pCurLine != NULL && pNextLine != NULL); - int32_t iCount = pCurLine->CountChars(); - if (iCount < 2) { - return; - } - int32_t iEndPos = pCurLine->m_iWidth; - CFX_TxtCharArray& curChars = *pCurLine->m_pLineChars; - int32_t iCharPos = GetBreakPos(curChars, iEndPos, bAllChars, FALSE); - if (iCharPos < 0) { - iCharPos = 0; - } - iCharPos++; - if (iCharPos >= iCount) { - pNextLine->RemoveAll(TRUE); - CFX_Char* pTC = curChars.GetDataPtr(iCharPos - 1); - pTC->m_nBreakType = FX_LBT_UNKNOWN; - return; - } - CFX_TxtCharArray& nextChars = *pNextLine->m_pLineChars; - int cur_size = curChars.GetSize(); - nextChars.SetSize(cur_size - iCharPos); - FXSYS_memcpy(nextChars.GetData(), curChars.GetDataPtr(iCharPos), - (cur_size - iCharPos) * sizeof(CFX_TxtChar)); - iCount -= iCharPos; - cur_size = curChars.GetSize(); - curChars.RemoveAt(cur_size - iCount, iCount); - pCurLine->m_iWidth = iEndPos; - CFX_TxtChar* pTC = curChars.GetDataPtr(iCharPos - 1); - pTC->m_nBreakType = FX_LBT_UNKNOWN; - iCount = nextChars.GetSize(); - int32_t iCharWidth, iWidth = 0; - for (int32_t i = 0; i < iCount; i++) { - pTC = nextChars.GetDataPtr(i); - if (pTC->GetCharType() >= FX_CHARTYPE_ArabicAlef) { - pCurLine->m_iArabicChars--; - pNextLine->m_iArabicChars++; - } - iCharWidth = pTC->m_iCharWidth; - if (iCharWidth > 0) { - iWidth += iCharWidth; - } - if (m_bPagination) { - continue; - } - pTC->m_dwStatus = 0; - } - pNextLine->m_iWidth = iWidth; -} -int32_t CFX_TxtBreak::CountBreakChars() const { - CFX_TxtLine* pTxtLine = GetTxtLine(TRUE); - return pTxtLine == NULL ? 0 : pTxtLine->CountChars(); -} -int32_t CFX_TxtBreak::CountBreakPieces() const { - CFX_TxtPieceArray* pTxtPieces = GetTxtPieces(TRUE); - if (pTxtPieces == NULL) { - return 0; - } - return pTxtPieces->GetSize(); -} -const CFX_TxtPiece* CFX_TxtBreak::GetBreakPiece(int32_t index) const { - CFX_TxtPieceArray* pTxtPieces = GetTxtPieces(TRUE); - if (pTxtPieces == NULL) { - return NULL; - } - if (index < 0 || index >= pTxtPieces->GetSize()) { - return NULL; - } - return pTxtPieces->GetPtrAt(index); -} -void CFX_TxtBreak::ClearBreakPieces() { - CFX_TxtLine* pTxtLine = GetTxtLine(TRUE); - if (pTxtLine != NULL) { - pTxtLine->RemoveAll(TRUE); - } - m_iReady = 0; -} -void CFX_TxtBreak::Reset() { - m_dwCharType = 0; - m_iArabicContext = m_iCurArabicContext = 1; - ResetArabicContext(); - m_pTxtLine1->RemoveAll(TRUE); - m_pTxtLine2->RemoveAll(TRUE); -} - -struct FX_FORMCHAR { - FX_WORD wch; - FX_WORD wForm; - int32_t iWidth; -}; - -int32_t CFX_TxtBreak::GetDisplayPos(const FX_TXTRUN* pTxtRun, - FXTEXT_CHARPOS* pCharPos, - FX_BOOL bCharCode, - CFX_WideString* pWSForms, - FX_AdjustCharDisplayPos pAdjustPos) const { - if (pTxtRun == NULL || pTxtRun->iLength < 1) { - return 0; - } - IFX_TxtAccess* pAccess = pTxtRun->pAccess; - void* pIdentity = pTxtRun->pIdentity; - const FX_WCHAR* pStr = pTxtRun->pStr; - int32_t* pWidths = pTxtRun->pWidths; - int32_t iLength = pTxtRun->iLength - 1; - IFX_Font* pFont = pTxtRun->pFont; - FX_DWORD dwStyles = pTxtRun->dwStyles; - CFX_RectF rtText(*pTxtRun->pRect); - FX_BOOL bRTLPiece = - (pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_OddBidiLevel) != 0; - FX_BOOL bArabicNumber = - (pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_ArabicNumber) != 0; - FX_BOOL bArabicComma = - (pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_ArabicComma) != 0; - FX_FLOAT fFontSize = pTxtRun->fFontSize; - int32_t iFontSize = FXSYS_round(fFontSize * 20.0f); - int32_t iAscent = pFont->GetAscent(); - int32_t iDescent = pFont->GetDescent(); - int32_t iMaxHeight = iAscent - iDescent; - FX_FLOAT fFontHeight = fFontSize; - FX_FLOAT fAscent = fFontHeight * (FX_FLOAT)iAscent / (FX_FLOAT)iMaxHeight; - FX_FLOAT fDescent = fFontHeight * (FX_FLOAT)iDescent / (FX_FLOAT)iMaxHeight; - FX_BOOL bVerticalDoc = (dwStyles & FX_TXTLAYOUTSTYLE_VerticalLayout) != 0; - FX_BOOL bVerticalChar = (dwStyles & FX_TXTLAYOUTSTYLE_VerticalChars) != 0; - int32_t iRotation = GetLineRotation(dwStyles) + pTxtRun->iCharRotation; - int32_t iCharRotation; - FX_WCHAR wch, wPrev = 0xFEFF, wNext, wForm, wLast = 0xFEFF; - int32_t iWidth, iCharWidth, iCharHeight; - FX_FLOAT fX, fY, fCharWidth, fCharHeight; - int32_t iHorScale = pTxtRun->iHorizontalScale; - int32_t iVerScale = pTxtRun->iVerticalScale; - FX_BOOL bSkipSpace = pTxtRun->bSkipSpace; - FX_BOOL bEmptyChar, bShadda = FALSE, bLam = FALSE; - FX_DWORD dwProps, dwCharType; - FX_FORMCHAR formChars[3]; - FX_FLOAT fYBase; - fX = rtText.left; - if (bVerticalDoc) { - fX += (rtText.width - fFontSize) / 2.0f; - fYBase = bRTLPiece ? rtText.bottom() : rtText.top; - fY = fYBase; - } else { - if (bRTLPiece) { - fX = rtText.right(); - } - fYBase = rtText.top + (rtText.height - fFontSize) / 2.0f; - fY = fYBase + fAscent; - } - int32_t iCount = 0, iNext, iForms; - for (int32_t i = 0; i <= iLength; i++) { - if (pAccess != NULL) { - wch = pAccess->GetChar(pIdentity, i); - iWidth = pAccess->GetWidth(pIdentity, i); - } else { - wch = *pStr++; - iWidth = *pWidths++; - } - dwProps = FX_GetUnicodeProperties(wch); - dwCharType = (dwProps & FX_CHARTYPEBITSMASK); - if (dwCharType == FX_CHARTYPE_ArabicAlef && iWidth == 0) { - wPrev = 0xFEFF; - wLast = wch; - continue; - } - if (dwCharType >= FX_CHARTYPE_ArabicAlef) { - if (i < iLength) { - if (pAccess != NULL) { - iNext = i + 1; - while (iNext <= iLength) { - wNext = pAccess->GetChar(pIdentity, iNext); - dwProps = FX_GetUnicodeProperties(wNext); - if ((dwProps & FX_CHARTYPEBITSMASK) != FX_CHARTYPE_Combination) { - break; - } - iNext++; - } - if (iNext > iLength) { - wNext = 0xFEFF; - } - } else { - int32_t j = -1; - do { - j++; - if (i + j >= iLength) { - break; - } - wNext = pStr[j]; - dwProps = FX_GetUnicodeProperties(wNext); - } while ((dwProps & FX_CHARTYPEBITSMASK) == FX_CHARTYPE_Combination); - if (i + j >= iLength) { - wNext = 0xFEFF; - } - } - } else { - wNext = 0xFEFF; - } - wForm = m_pArabicChar->GetFormChar(wch, wPrev, wNext); - bLam = (wPrev == 0x0644 && wch == 0x0644 && wNext == 0x0647); - } else if (dwCharType == FX_CHARTYPE_Combination) { - wForm = wch; - if (wch >= 0x064C && wch <= 0x0651) { - if (bShadda) { - wForm = 0xFEFF; - bShadda = FALSE; - } else { - wNext = 0xFEFF; - if (pAccess != NULL) { - iNext = i + 1; - if (iNext <= iLength) { - wNext = pAccess->GetChar(pIdentity, iNext); - } - } else { - if (i < iLength) { - wNext = *pStr; - } - } - if (wch == 0x0651) { - if (wNext >= 0x064C && wNext <= 0x0650) { - wForm = FX_GetArabicFromShaddaTable(wNext); - bShadda = TRUE; - } - } else { - if (wNext == 0x0651) { - wForm = FX_GetArabicFromShaddaTable(wch); - bShadda = TRUE; - } - } - } - } else { - bShadda = FALSE; - } - } else if (dwCharType == FX_CHARTYPE_Numeric) { - wForm = wch; - if (bArabicNumber) { - wForm += 0x0630; - } - } else if (wch == L'.') { - wForm = wch; - if (bArabicNumber) { - wNext = 0xFEFF; - if (pAccess != NULL) { - iNext = i + 1; - if (iNext <= iLength) { - wNext = pAccess->GetChar(pIdentity, iNext); - } - } else { - if (i < iLength) { - wNext = *pStr; - } - } - if (wNext >= L'0' && wNext <= L'9') { - wForm = 0x066B; - } - } - } else if (wch == L',') { - wForm = wch; - if (bArabicComma) { - wForm = 0x060C; - } - } else if (bRTLPiece || bVerticalChar) { - wForm = FX_GetMirrorChar(wch, dwProps, bRTLPiece, bVerticalChar); - } else { - wForm = wch; - } - if (dwCharType != FX_CHARTYPE_Combination) { - bShadda = FALSE; - } - if (dwCharType < FX_CHARTYPE_ArabicAlef) { - bLam = FALSE; - } - dwProps = FX_GetUnicodeProperties(wForm); - iCharRotation = iRotation; - if (bVerticalChar && (dwProps & 0x8000) != 0) { - iCharRotation++; - } - iCharRotation %= 4; - bEmptyChar = - (dwCharType >= FX_CHARTYPE_Tab && dwCharType <= FX_CHARTYPE_Control); - if (wForm == 0xFEFF) { - bEmptyChar = TRUE; - } - iForms = bLam ? 3 : 1; - iCount += (bEmptyChar && bSkipSpace) ? 0 : iForms; - if (pCharPos == NULL) { - if (iWidth > 0) { - wPrev = wch; - } - wLast = wch; - continue; - } - iCharWidth = iWidth; - if (iCharWidth < 0) { - iCharWidth = -iCharWidth; - } - iCharWidth /= iFontSize; - formChars[0].wch = wch; - formChars[0].wForm = wForm; - formChars[0].iWidth = iCharWidth; - if (bLam) { - formChars[1].wForm = 0x0651; - iCharWidth = 0; - pFont->GetCharWidth(0x0651, iCharWidth, FALSE); - formChars[1].iWidth = iCharWidth; - formChars[2].wForm = 0x0670; - iCharWidth = 0; - pFont->GetCharWidth(0x0670, iCharWidth, FALSE); - formChars[2].iWidth = iCharWidth; - } - for (int32_t j = 0; j < iForms; j++) { - wForm = (FX_WCHAR)formChars[j].wForm; - iCharWidth = formChars[j].iWidth; - if (j > 0) { - dwCharType = FX_CHARTYPE_Combination; - wch = wForm; - wLast = (FX_WCHAR)formChars[j - 1].wForm; - } - if (!bEmptyChar || (bEmptyChar && !bSkipSpace)) { - pCharPos->m_GlyphIndex = - bCharCode ? wch : pFont->GetGlyphIndex(wForm, FALSE); - pCharPos->m_ExtGID = pCharPos->m_GlyphIndex; - pCharPos->m_FontCharWidth = iCharWidth; - if (pWSForms) { - *pWSForms += wForm; - } - } - if (bVerticalDoc) { - iCharHeight = iCharWidth; - iCharWidth = 1000; - } else { - iCharHeight = 1000; - } - fCharWidth = fFontSize * iCharWidth / 1000.0f; - fCharHeight = fFontSize * iCharHeight / 1000.0f; - if (bRTLPiece && dwCharType != FX_CHARTYPE_Combination) { - if (bVerticalDoc) { - fY -= fCharHeight; - } else { - fX -= fCharWidth; - } - } - if (!bEmptyChar || (bEmptyChar && !bSkipSpace)) { - pCharPos->m_OriginX = fX; - pCharPos->m_OriginY = fY; - if ((dwStyles & FX_TXTLAYOUTSTYLE_CombText) != 0) { - int32_t iFormWidth = iCharWidth; - pFont->GetCharWidth(wForm, iFormWidth, FALSE); - FX_FLOAT fOffset = fFontSize * (iCharWidth - iFormWidth) / 2000.0f; - if (bVerticalDoc) { - pCharPos->m_OriginY += fOffset; - } else { - pCharPos->m_OriginX += fOffset; - } - } - if (dwCharType == FX_CHARTYPE_Combination) { - CFX_Rect rtBBox; - rtBBox.Reset(); - if (pFont->GetCharBBox(wForm, rtBBox, FALSE)) { - pCharPos->m_OriginY = - fYBase + fFontSize - - fFontSize * (FX_FLOAT)rtBBox.height / (FX_FLOAT)iMaxHeight; - } - if (wForm == wch && wLast != 0xFEFF) { - FX_DWORD dwLastProps = FX_GetUnicodeProperties(wLast); - if ((dwLastProps & FX_CHARTYPEBITSMASK) == - FX_CHARTYPE_Combination) { - CFX_Rect rtBBox; - rtBBox.Reset(); - if (pFont->GetCharBBox(wLast, rtBBox, FALSE)) { - pCharPos->m_OriginY -= fFontSize * rtBBox.height / iMaxHeight; - } - } - } - } - CFX_PointF ptOffset; - FX_BOOL bAdjusted = FALSE; - if (pAdjustPos) { - bAdjusted = pAdjustPos(wForm, bCharCode, pFont, fFontSize, - bVerticalChar, ptOffset); - } - if (!bAdjusted && bVerticalChar && (dwProps & 0x00010000) != 0) { - CFX_Rect rtBBox; - rtBBox.Reset(); - if (pFont->GetCharBBox(wForm, rtBBox, FALSE)) { - ptOffset.x = fFontSize * (850 - rtBBox.right()) / iMaxHeight; - ptOffset.y = fFontSize * (iAscent - rtBBox.top - 150) / iMaxHeight; - } - } - pCharPos->m_OriginX += ptOffset.x; - pCharPos->m_OriginY -= ptOffset.y; - } - if (!bRTLPiece && dwCharType != FX_CHARTYPE_Combination) { - if (bVerticalDoc) { - fY += fCharHeight; - } else { - fX += fCharWidth; - } - } - if (!bEmptyChar || (bEmptyChar && !bSkipSpace)) { - pCharPos->m_bGlyphAdjust = TRUE; - if (bVerticalDoc) { - if (iCharRotation == 0) { - pCharPos->m_AdjustMatrix[0] = -1; - pCharPos->m_AdjustMatrix[1] = 0; - pCharPos->m_AdjustMatrix[2] = 0; - pCharPos->m_AdjustMatrix[3] = 1; - pCharPos->m_OriginY += fAscent; - } else if (iCharRotation == 1) { - pCharPos->m_AdjustMatrix[0] = 0; - pCharPos->m_AdjustMatrix[1] = -1; - pCharPos->m_AdjustMatrix[2] = -1; - pCharPos->m_AdjustMatrix[3] = 0; - pCharPos->m_OriginX -= fDescent; - } else if (iCharRotation == 2) { - pCharPos->m_AdjustMatrix[0] = 1; - pCharPos->m_AdjustMatrix[1] = 0; - pCharPos->m_AdjustMatrix[2] = 0; - pCharPos->m_AdjustMatrix[3] = -1; - pCharPos->m_OriginX += fCharWidth; - pCharPos->m_OriginY += fAscent; - } else { - pCharPos->m_AdjustMatrix[0] = 0; - pCharPos->m_AdjustMatrix[1] = 1; - pCharPos->m_AdjustMatrix[2] = 1; - pCharPos->m_AdjustMatrix[3] = 0; - pCharPos->m_OriginX += fAscent; - } - } else { - if (iCharRotation == 0) { - pCharPos->m_AdjustMatrix[0] = -1; - pCharPos->m_AdjustMatrix[1] = 0; - pCharPos->m_AdjustMatrix[2] = 0; - pCharPos->m_AdjustMatrix[3] = 1; - } else if (iCharRotation == 1) { - pCharPos->m_AdjustMatrix[0] = 0; - pCharPos->m_AdjustMatrix[1] = -1; - pCharPos->m_AdjustMatrix[2] = -1; - pCharPos->m_AdjustMatrix[3] = 0; - pCharPos->m_OriginX -= fDescent; - pCharPos->m_OriginY -= fAscent + fDescent; - } else if (iCharRotation == 2) { - pCharPos->m_AdjustMatrix[0] = 1; - pCharPos->m_AdjustMatrix[1] = 0; - pCharPos->m_AdjustMatrix[2] = 0; - pCharPos->m_AdjustMatrix[3] = -1; - pCharPos->m_OriginX += fCharWidth; - pCharPos->m_OriginY -= fAscent; - } else { - pCharPos->m_AdjustMatrix[0] = 0; - pCharPos->m_AdjustMatrix[1] = 1; - pCharPos->m_AdjustMatrix[2] = 1; - pCharPos->m_AdjustMatrix[3] = 0; - pCharPos->m_OriginX += fAscent; - } - } - if (iHorScale != 100 || iVerScale != 100) { - pCharPos->m_AdjustMatrix[0] = - pCharPos->m_AdjustMatrix[0] * iHorScale / 100.0f; - pCharPos->m_AdjustMatrix[1] = - pCharPos->m_AdjustMatrix[1] * iHorScale / 100.0f; - pCharPos->m_AdjustMatrix[2] = - pCharPos->m_AdjustMatrix[2] * iVerScale / 100.0f; - pCharPos->m_AdjustMatrix[3] = - pCharPos->m_AdjustMatrix[3] * iVerScale / 100.0f; - } - pCharPos++; - } - } - if (iWidth > 0) { - wPrev = (FX_WCHAR)formChars[0].wch; - } - wLast = wch; - } - return iCount; -} -int32_t CFX_TxtBreak::GetCharRects(const FX_TXTRUN* pTxtRun, - CFX_RectFArray& rtArray, - FX_BOOL bCharBBox) const { - if (pTxtRun == NULL || pTxtRun->iLength < 1) { - return 0; - } - IFX_TxtAccess* pAccess = pTxtRun->pAccess; - void* pIdentity = pTxtRun->pIdentity; - const FX_WCHAR* pStr = pTxtRun->pStr; - int32_t* pWidths = pTxtRun->pWidths; - int32_t iLength = pTxtRun->iLength; - CFX_RectF rect(*pTxtRun->pRect); - FX_BOOL bRTLPiece = - (pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_OddBidiLevel) != 0; - FX_FLOAT fFontSize = pTxtRun->fFontSize; - int32_t iFontSize = FXSYS_round(fFontSize * 20.0f); - FX_FLOAT fScale = fFontSize / 1000.0f; - IFX_Font* pFont = pTxtRun->pFont; - if (pFont == NULL) { - bCharBBox = FALSE; - } - CFX_Rect bbox; - bbox.Set(0, 0, 0, 0); - if (bCharBBox) { - bCharBBox = pFont->GetBBox(bbox); - } - FX_FLOAT fLeft = std::max(0.0f, bbox.left * fScale); - FX_FLOAT fHeight = FXSYS_fabs(bbox.height * fScale); - rtArray.RemoveAll(); - rtArray.SetSize(iLength); - FX_BOOL bVertical = - (pTxtRun->dwStyles & FX_TXTLAYOUTSTYLE_VerticalLayout) != 0; - FX_BOOL bSingleLine = (pTxtRun->dwStyles & FX_TXTLAYOUTSTYLE_SingleLine) != 0; - FX_BOOL bCombText = (pTxtRun->dwStyles & FX_TXTLAYOUTSTYLE_CombText) != 0; - FX_WCHAR wch, wLineBreakChar = pTxtRun->wLineBreakChar; - int32_t iCharSize; - FX_FLOAT fCharSize, fStart; - if (bVertical) { - fStart = bRTLPiece ? rect.bottom() : rect.top; - } else { - fStart = bRTLPiece ? rect.right() : rect.left; - } - for (int32_t i = 0; i < iLength; i++) { - if (pAccess != NULL) { - wch = pAccess->GetChar(pIdentity, i); - iCharSize = pAccess->GetWidth(pIdentity, i); - } else { - wch = *pStr++; - iCharSize = *pWidths++; - } - fCharSize = (FX_FLOAT)iCharSize / 20000.0f; - FX_BOOL bRet = (!bSingleLine && FX_IsCtrlCode(wch)); - if (!(wch == L'\v' || wch == L'\f' || wch == 0x2028 || wch == 0x2029 || - (wLineBreakChar != 0xFEFF && wch == wLineBreakChar))) { - bRet = FALSE; - } - if (bRet) { - iCharSize = iFontSize * 500; - fCharSize = fFontSize / 2.0f; - } - if (bVertical) { - rect.top = fStart; - if (bRTLPiece) { - rect.top -= fCharSize; - fStart -= fCharSize; - } else { - fStart += fCharSize; - } - rect.height = fCharSize; - } else { - rect.left = fStart; - if (bRTLPiece) { - rect.left -= fCharSize; - fStart -= fCharSize; - } else { - fStart += fCharSize; - } - rect.width = fCharSize; - } - if (bCharBBox && !bRet) { - int32_t iCharWidth = 1000; - pFont->GetCharWidth(wch, iCharWidth); - FX_FLOAT fRTLeft = 0, fCharWidth = 0; - if (iCharWidth > 0) { - fCharWidth = iCharWidth * fScale; - fRTLeft = fLeft; - if (bCombText) { - fRTLeft = (rect.width - fCharWidth) / 2.0f; - } - } - CFX_RectF rtBBoxF; - if (bVertical) { - rtBBoxF.top = rect.left + fRTLeft; - rtBBoxF.left = rect.top + (rect.height - fHeight) / 2.0f; - rtBBoxF.height = fCharWidth; - rtBBoxF.width = fHeight; - rtBBoxF.left = std::max(rtBBoxF.left, 0.0f); - } else { - rtBBoxF.left = rect.left + fRTLeft; - rtBBoxF.top = rect.top + (rect.height - fHeight) / 2.0f; - rtBBoxF.width = fCharWidth; - rtBBoxF.height = fHeight; - rtBBoxF.top = std::max(rtBBoxF.top, 0.0f); - } - rtArray.SetAt(i, rtBBoxF); - continue; - } - rtArray.SetAt(i, rect); - } - return iLength; -} |