diff options
Diffstat (limited to 'xfa/fgas/layout/fgas_rtfbreak.cpp')
| -rw-r--r-- | xfa/fgas/layout/fgas_rtfbreak.cpp | 1691 |
1 files changed, 1691 insertions, 0 deletions
diff --git a/xfa/fgas/layout/fgas_rtfbreak.cpp b/xfa/fgas/layout/fgas_rtfbreak.cpp new file mode 100644 index 0000000000..f57a1335fb --- /dev/null +++ b/xfa/fgas/layout/fgas_rtfbreak.cpp @@ -0,0 +1,1691 @@ +// 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/fgas/layout/fgas_rtfbreak.h" + +#include <algorithm> + +#include "core/include/fxcrt/fx_arb.h" +#include "xfa/fgas/layout/fgas_linebreak.h" +#include "xfa/fgas/layout/fgas_unicode.h" + +namespace { + +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; + void SetLineStartPos(FX_FLOAT fLinePos) override; + 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( + const FX_RTFTEXTOBJ* pText, + FXTEXT_CHARPOS* pCharPos, + FX_BOOL bCharCode = FALSE, + CFX_WideString* pWSForms = NULL, + FX_AdjustCharDisplayPos pAdjustPos = NULL) const override; + int32_t GetCharRects(const FX_RTFTEXTOBJ* 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); +}; + +} // namespace + +IFX_RTFBreak* IFX_RTFBreak::Create(FX_DWORD dwPolicies) { + return new CFX_RTFBreak(dwPolicies); +} +CFX_RTFBreak::CFX_RTFBreak(FX_DWORD dwPolicies) + : m_dwPolicies(dwPolicies), + m_pArabicChar(NULL), + m_iBoundaryStart(0), + m_iBoundaryEnd(2000000), + m_dwLayoutStyles(0), + m_bPagination(FALSE), + m_bVertical(FALSE), + m_bSingleLine(FALSE), + m_bCharCode(FALSE), + m_pFont(NULL), + m_iFontHeight(240), + m_iFontSize(240), + m_iTabWidth(720000), + m_PositionedTabs(), + m_bOrphanLine(FALSE), + m_wDefChar(0xFEFF), + m_iDefChar(0), + m_wLineBreakChar(L'\n'), + m_iHorizontalScale(100), + m_iVerticalScale(100), + m_iLineRotation(0), + m_iCharRotation(0), + m_iRotation(0), + m_iCharSpace(0), + m_bWordSpace(FALSE), + m_iWordSpace(0), + m_bRTL(FALSE), + m_iAlignment(FX_RTFLINEALIGNMENT_Left), + m_pUserData(NULL), + m_dwCharType(0), + m_dwIdentity(0), + m_RTFLine1(), + m_RTFLine2(), + m_pCurLine(NULL), + m_iReady(0), + m_iTolerance(0) { + m_pArabicChar = IFX_ArabicChar::Create(); + m_pCurLine = &m_RTFLine1; +} +CFX_RTFBreak::~CFX_RTFBreak() { + Reset(); + m_PositionedTabs.RemoveAll(); + m_pArabicChar->Release(); + if (m_pUserData != NULL) { + m_pUserData->Release(); + } +} +void CFX_RTFBreak::SetLineBoundary(FX_FLOAT fLineStart, FX_FLOAT fLineEnd) { + if (fLineStart > fLineEnd) + return; + m_iBoundaryStart = FXSYS_round(fLineStart * 20000.0f); + m_iBoundaryEnd = FXSYS_round(fLineEnd * 20000.0f); + m_pCurLine->m_iStart = std::min(m_pCurLine->m_iStart, m_iBoundaryEnd); + m_pCurLine->m_iStart = std::max(m_pCurLine->m_iStart, m_iBoundaryStart); +} +void CFX_RTFBreak::SetLineStartPos(FX_FLOAT fLinePos) { + int32_t iLinePos = FXSYS_round(fLinePos * 20000.0f); + iLinePos = std::min(iLinePos, m_iBoundaryEnd); + iLinePos = std::max(iLinePos, m_iBoundaryStart); + m_pCurLine->m_iStart = iLinePos; +} +void CFX_RTFBreak::SetLayoutStyles(FX_DWORD dwLayoutStyles) { + if (m_dwLayoutStyles == dwLayoutStyles) { + return; + } + SetBreakStatus(); + m_dwLayoutStyles = dwLayoutStyles; + m_bPagination = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_Pagination) != 0; + m_bVertical = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_VerticalChars) != 0; + m_bSingleLine = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_SingleLine) != 0; + m_bCharCode = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_MBCSCode) != 0; + m_iLineRotation = GetLineRotation(m_dwLayoutStyles); + m_iRotation = m_iLineRotation + m_iCharRotation; + m_iRotation %= 4; +} +void CFX_RTFBreak::SetFont(IFX_Font* pFont) { + if (pFont == NULL) { + return; + } + if (m_pFont == pFont) { + return; + } + SetBreakStatus(); + m_pFont = pFont; + m_iDefChar = 0; + if (m_pFont != NULL) { + m_iFontHeight = m_iFontSize; + if (m_wDefChar != 0xFEFF) { + m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE); + m_iDefChar *= m_iFontSize; + } + } +} +void CFX_RTFBreak::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_pFont != NULL) { + m_iFontHeight = m_iFontSize; + if (m_wDefChar != 0xFEFF) { + m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE); + m_iDefChar *= m_iFontSize; + } + } +} +void CFX_RTFBreak::SetTabWidth(FX_FLOAT fTabWidth) { + m_iTabWidth = FXSYS_round(fTabWidth * 20000.0f); +} +void CFX_RTFBreak::AddPositionedTab(FX_FLOAT fTabPos) { + int32_t iLineEnd = m_iBoundaryEnd; + int32_t iTabPos = FXSYS_round(fTabPos * 20000.0f) + m_iBoundaryStart; + if (iTabPos > iLineEnd) { + iTabPos = iLineEnd; + } + if (m_PositionedTabs.Find(iTabPos, 0) > -1) { + return; + } + int32_t iCount = m_PositionedTabs.GetSize(); + int32_t iFind = 0; + for (; iFind < iCount; iFind++) { + if (m_PositionedTabs[iFind] > iTabPos) { + break; + } + } + m_PositionedTabs.InsertAt(iFind, iTabPos); + if (m_dwPolicies & FX_RTFBREAKPOLICY_OrphanPositionedTab) { + m_bOrphanLine = GetLastPositionedTab() >= iLineEnd; + } else { + m_bOrphanLine = FALSE; + } +} +void CFX_RTFBreak::SetPositionedTabs(const CFX_FloatArray& tabs) { + m_PositionedTabs.RemoveAll(); + int32_t iCount = tabs.GetSize(); + m_PositionedTabs.SetSize(iCount); + int32_t iLineEnd = m_iBoundaryEnd; + int32_t iTabPos; + for (int32_t i = 0; i < iCount; i++) { + iTabPos = FXSYS_round(tabs[i] * 20000.0f) + m_iBoundaryStart; + if (iTabPos > iLineEnd) { + iTabPos = iLineEnd; + } + m_PositionedTabs[i] = iTabPos; + } + if (m_dwPolicies & FX_RTFBREAKPOLICY_OrphanPositionedTab) { + m_bOrphanLine = GetLastPositionedTab() >= iLineEnd; + } else { + m_bOrphanLine = FALSE; + } +} +void CFX_RTFBreak::ClearPositionedTabs() { + m_PositionedTabs.RemoveAll(); + m_bOrphanLine = FALSE; +} +void CFX_RTFBreak::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_RTFBreak::SetLineBreakChar(FX_WCHAR wch) { + if (wch != L'\r' && wch != L'\n') { + return; + } + m_wLineBreakChar = wch; +} +void CFX_RTFBreak::SetLineBreakTolerance(FX_FLOAT fTolerance) { + m_iTolerance = FXSYS_round(fTolerance * 20000.0f); +} +void CFX_RTFBreak::SetHorizontalScale(int32_t iScale) { + if (iScale < 0) { + iScale = 0; + } + if (m_iHorizontalScale == iScale) { + return; + } + SetBreakStatus(); + m_iHorizontalScale = iScale; +} +void CFX_RTFBreak::SetVerticalScale(int32_t iScale) { + if (iScale < 0) { + iScale = 0; + } + if (m_iVerticalScale == iScale) { + return; + } + SetBreakStatus(); + m_iVerticalScale = iScale; +} +void CFX_RTFBreak::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_RTFBreak::SetCharSpace(FX_FLOAT fCharSpace) { + m_iCharSpace = FXSYS_round(fCharSpace * 20000.0f); +} +void CFX_RTFBreak::SetWordSpace(FX_BOOL bDefault, FX_FLOAT fWordSpace) { + m_bWordSpace = !bDefault; + m_iWordSpace = FXSYS_round(fWordSpace * 20000.0f); +} +void CFX_RTFBreak::SetReadingOrder(FX_BOOL bRTL) { + m_bRTL = bRTL; +} +void CFX_RTFBreak::SetAlignment(int32_t iAlignment) { + FXSYS_assert(iAlignment >= FX_RTFLINEALIGNMENT_Left && + iAlignment <= FX_RTFLINEALIGNMENT_Distributed); + m_iAlignment = iAlignment; +} +void CFX_RTFBreak::SetUserData(IFX_Unknown* pUserData) { + if (m_pUserData == pUserData) { + return; + } + SetBreakStatus(); + if (m_pUserData != NULL) { + m_pUserData->Release(); + } + m_pUserData = pUserData; + if (m_pUserData != NULL) { + m_pUserData->AddRef(); + } +} +static const int32_t gs_FX_RTFLineRotations[8] = {0, 3, 1, 0, 2, 1, 3, 2}; +int32_t CFX_RTFBreak::GetLineRotation(FX_DWORD dwStyles) const { + return gs_FX_RTFLineRotations[(dwStyles & 0x0E) >> 1]; +} +void CFX_RTFBreak::SetBreakStatus() { + m_dwIdentity++; + int32_t iCount = m_pCurLine->CountChars(); + if (iCount < 1) { + return; + } + CFX_RTFChar& tc = m_pCurLine->GetChar(iCount - 1); + if (tc.m_dwStatus == 0) { + tc.m_dwStatus = FX_RTFBREAK_PieceBreak; + } +} +CFX_RTFChar* CFX_RTFBreak::GetLastChar(int32_t index) const { + CFX_RTFCharArray& tca = m_pCurLine->m_LineChars; + int32_t iCount = tca.GetSize(); + if (index < 0 || index >= iCount) { + return NULL; + } + CFX_RTFChar* pTC; + int32_t iStart = iCount - 1; + while (iStart > -1) { + pTC = tca.GetDataPtr(iStart--); + if (pTC->m_iCharWidth >= 0 || + pTC->GetCharType() != FX_CHARTYPE_Combination) { + if (--index < 0) { + return pTC; + } + } + } + return NULL; +} +CFX_RTFLine* CFX_RTFBreak::GetRTFLine(FX_BOOL bReady) const { + if (bReady) { + if (m_iReady == 1) { + return (CFX_RTFLine*)&m_RTFLine1; + } else if (m_iReady == 2) { + return (CFX_RTFLine*)&m_RTFLine2; + } else { + return NULL; + } + } + FXSYS_assert(m_pCurLine != NULL); + return m_pCurLine; +} +CFX_RTFPieceArray* CFX_RTFBreak::GetRTFPieces(FX_BOOL bReady) const { + CFX_RTFLine* pRTFLine = GetRTFLine(bReady); + if (pRTFLine == NULL) { + return NULL; + } + return &pRTFLine->m_LinePieces; +} +inline FX_DWORD CFX_RTFBreak::GetUnifiedCharType(FX_DWORD dwType) const { + return dwType >= FX_CHARTYPE_ArabicAlef ? FX_CHARTYPE_Arabic : dwType; +} +int32_t CFX_RTFBreak::GetLastPositionedTab() const { + int32_t iCount = m_PositionedTabs.GetSize(); + if (iCount < 1) { + return m_iBoundaryStart; + } + return m_PositionedTabs[iCount - 1]; +} +FX_BOOL CFX_RTFBreak::GetPositionedTab(int32_t& iTabPos) const { + int32_t iCount = m_PositionedTabs.GetSize(); + for (int32_t i = 0; i < iCount; i++) { + if (m_PositionedTabs[i] > iTabPos) { + iTabPos = m_PositionedTabs[i]; + return TRUE; + } + } + return FALSE; +} +typedef FX_DWORD (CFX_RTFBreak::*FX_RTFBreak_LPFAppendChar)( + CFX_RTFChar* pCurChar, + int32_t iRotation); +static const FX_RTFBreak_LPFAppendChar g_FX_RTFBreak_lpfAppendChar[16] = { + &CFX_RTFBreak::AppendChar_Others, &CFX_RTFBreak::AppendChar_Tab, + &CFX_RTFBreak::AppendChar_Others, &CFX_RTFBreak::AppendChar_Control, + &CFX_RTFBreak::AppendChar_Combination, &CFX_RTFBreak::AppendChar_Others, + &CFX_RTFBreak::AppendChar_Others, &CFX_RTFBreak::AppendChar_Arabic, + &CFX_RTFBreak::AppendChar_Arabic, &CFX_RTFBreak::AppendChar_Arabic, + &CFX_RTFBreak::AppendChar_Arabic, &CFX_RTFBreak::AppendChar_Arabic, + &CFX_RTFBreak::AppendChar_Arabic, &CFX_RTFBreak::AppendChar_Others, + &CFX_RTFBreak::AppendChar_Others, &CFX_RTFBreak::AppendChar_Others, +}; +FX_DWORD CFX_RTFBreak::AppendChar(FX_WCHAR wch) { + FXSYS_assert(m_pFont != NULL && m_pCurLine != NULL && m_pArabicChar != NULL); + if (m_bCharCode) { + return AppendChar_CharCode(wch); + } + FX_DWORD dwProps = kTextLayoutCodeProperties[(FX_WORD)wch]; + FX_DWORD dwType = (dwProps & FX_CHARTYPEBITSMASK); + CFX_RTFCharArray& tca = m_pCurLine->m_LineChars; + CFX_RTFChar* pCurChar = tca.AddSpace(); + pCurChar->m_dwStatus = 0; + pCurChar->m_wCharCode = wch; + pCurChar->m_dwCharProps = dwProps; + pCurChar->m_dwCharStyles = 0; + pCurChar->m_dwLayoutStyles = 0; + pCurChar->m_iFontSize = m_iFontSize; + pCurChar->m_iFontHeight = m_iFontHeight; + pCurChar->m_iHorizontalScale = m_iHorizontalScale; + pCurChar->m_iVertialScale = m_iVerticalScale; + pCurChar->m_nRotation = m_iCharRotation; + pCurChar->m_iCharWidth = 0; + pCurChar->m_dwIdentity = m_dwIdentity; + if (m_pUserData != NULL) { + m_pUserData->AddRef(); + } + pCurChar->m_pUserData = m_pUserData; + FX_DWORD dwRet1 = FX_RTFBREAK_None; + if (dwType != FX_CHARTYPE_Combination && + GetUnifiedCharType(m_dwCharType) != GetUnifiedCharType(dwType)) { + if (!m_bSingleLine && !m_bOrphanLine && m_dwCharType > 0 && + m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) { + if (m_dwCharType != FX_CHARTYPE_Space || dwType != FX_CHARTYPE_Control) { + dwRet1 = EndBreak(FX_RTFBREAK_LineBreak); + int32_t iCount = m_pCurLine->CountChars(); + if (iCount > 0) { + pCurChar = m_pCurLine->m_LineChars.GetDataPtr(iCount - 1); + } + } + } + } + int32_t iRotation = m_iRotation; + if (m_bVertical && (dwProps & 0x8000) != 0) { + iRotation = (iRotation + 1) % 4; + } + FX_DWORD dwRet2 = + (this->*g_FX_RTFBreak_lpfAppendChar[dwType >> FX_CHARTYPEBITS])( + pCurChar, iRotation); + m_dwCharType = dwType; + return std::max(dwRet1, dwRet2); +} +FX_DWORD CFX_RTFBreak::AppendChar_CharCode(FX_WCHAR wch) { + FXSYS_assert(m_pFont != NULL && m_pCurLine != NULL); + FXSYS_assert(m_bCharCode); + m_pCurLine->m_iMBCSChars++; + CFX_RTFCharArray& tca = m_pCurLine->m_LineChars; + CFX_RTFChar* pCurChar = tca.AddSpace(); + pCurChar->m_dwStatus = 0; + pCurChar->m_wCharCode = wch; + pCurChar->m_dwCharProps = 0; + pCurChar->m_dwCharStyles = 0; + pCurChar->m_dwLayoutStyles = m_dwLayoutStyles; + pCurChar->m_iFontSize = m_iFontSize; + pCurChar->m_iFontHeight = m_iFontHeight; + pCurChar->m_iHorizontalScale = m_iHorizontalScale; + pCurChar->m_iVertialScale = m_iVerticalScale; + pCurChar->m_nRotation = m_iCharRotation; + pCurChar->m_iCharWidth = 0; + pCurChar->m_dwIdentity = m_dwIdentity; + if (m_pUserData != NULL) { + m_pUserData->AddRef(); + } + pCurChar->m_pUserData = m_pUserData; + int32_t iCharWidth = 0; + if (m_bVertical != FX_IsOdd(m_iRotation)) { + iCharWidth = 1000; + } else { + if (!m_pFont->GetCharWidth(wch, iCharWidth, TRUE)) { + iCharWidth = m_iDefChar; + } + } + iCharWidth *= m_iFontSize; + iCharWidth = iCharWidth * m_iHorizontalScale / 100; + iCharWidth += m_iCharSpace; + pCurChar->m_iCharWidth = iCharWidth; + m_pCurLine->m_iWidth += iCharWidth; + m_dwCharType = 0; + if (!m_bSingleLine && + m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) { + return EndBreak(FX_RTFBREAK_LineBreak); + } + return FX_RTFBREAK_None; +} +FX_DWORD CFX_RTFBreak::AppendChar_Combination(CFX_RTFChar* pCurChar, + int32_t iRotation) { + int32_t iCharWidth = 0; + if (m_bVertical != FX_IsOdd(iRotation)) { + iCharWidth = 1000; + } else { + if (!m_pFont->GetCharWidth(pCurChar->m_wCharCode, iCharWidth, + m_bCharCode)) { + iCharWidth = 0; + } + } + iCharWidth *= m_iFontSize; + iCharWidth = iCharWidth * m_iHorizontalScale / 100; + CFX_RTFChar* pLastChar = GetLastChar(0); + if (pLastChar != NULL && pLastChar->GetCharType() > FX_CHARTYPE_Combination) { + iCharWidth = -iCharWidth; + } else { + m_dwCharType = FX_CHARTYPE_Combination; + } + pCurChar->m_iCharWidth = iCharWidth; + if (iCharWidth > 0) { + m_pCurLine->m_iWidth += iCharWidth; + } + return FX_RTFBREAK_None; +} +FX_DWORD CFX_RTFBreak::AppendChar_Tab(CFX_RTFChar* pCurChar, + int32_t iRotation) { + if (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_ExpandTab) { + FX_BOOL bBreak = FALSE; + if ((m_dwPolicies & FX_RTFBREAKPOLICY_TabBreak) != 0) { + bBreak = (m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance); + } + int32_t& iLineWidth = m_pCurLine->m_iWidth; + int32_t iCharWidth = iLineWidth; + if (GetPositionedTab(iCharWidth)) { + iCharWidth -= iLineWidth; + } else { + iCharWidth = m_iTabWidth * (iLineWidth / m_iTabWidth + 1) - iLineWidth; + } + pCurChar->m_iCharWidth = iCharWidth; + iLineWidth += iCharWidth; + if (!m_bSingleLine && !m_bOrphanLine && bBreak) { + return EndBreak(FX_RTFBREAK_LineBreak); + } + } + return FX_RTFBREAK_None; +} +FX_DWORD CFX_RTFBreak::AppendChar_Control(CFX_RTFChar* pCurChar, + int32_t iRotation) { + FX_DWORD dwRet2 = FX_RTFBREAK_None; + if (!m_bSingleLine) { + switch (pCurChar->m_wCharCode) { + case L'\v': + case 0x2028: + dwRet2 = FX_RTFBREAK_LineBreak; + break; + case L'\f': + dwRet2 = FX_RTFBREAK_PageBreak; + break; + case 0x2029: + dwRet2 = FX_RTFBREAK_ParagraphBreak; + break; + default: + if (pCurChar->m_wCharCode == m_wLineBreakChar) { + dwRet2 = FX_RTFBREAK_ParagraphBreak; + } + break; + } + if (dwRet2 != FX_RTFBREAK_None) { + dwRet2 = EndBreak(dwRet2); + } + } + return dwRet2; +} +FX_DWORD CFX_RTFBreak::AppendChar_Arabic(CFX_RTFChar* pCurChar, + int32_t iRotation) { + CFX_RTFChar* pLastChar = NULL; + int32_t& iLineWidth = m_pCurLine->m_iWidth; + int32_t iCharWidth = 0; + FX_WCHAR wForm; + FX_BOOL bAlef = FALSE; + if (m_dwCharType >= FX_CHARTYPE_ArabicAlef && + m_dwCharType <= FX_CHARTYPE_ArabicDistortion) { + pLastChar = GetLastChar(1); + if (pLastChar != NULL) { + iLineWidth -= pLastChar->m_iCharWidth; + CFX_RTFChar* 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 { + if (!m_pFont->GetCharWidth(wForm, iCharWidth, m_bCharCode)) { + if (!m_pFont->GetCharWidth(pLastChar->m_wCharCode, iCharWidth, + m_bCharCode)) { + iCharWidth = m_iDefChar; + } + } + } + iCharWidth *= m_iFontSize; + iCharWidth = iCharWidth * m_iHorizontalScale / 100; + pLastChar->m_iCharWidth = iCharWidth; + iLineWidth += iCharWidth; + iCharWidth = 0; + } + } + wForm = + m_pArabicChar->GetFormChar(pCurChar, (bAlef ? NULL : pLastChar), NULL); + if (m_bVertical != FX_IsOdd(iRotation)) { + iCharWidth = 1000; + } else if (!m_pFont->GetCharWidth(wForm, iCharWidth, m_bCharCode) && + !m_pFont->GetCharWidth(pCurChar->m_wCharCode, iCharWidth, + m_bCharCode)) { + iCharWidth = m_iDefChar; + } + + iCharWidth *= m_iFontSize; + iCharWidth = iCharWidth * m_iHorizontalScale / 100; + pCurChar->m_iCharWidth = iCharWidth; + iLineWidth += iCharWidth; + m_pCurLine->m_iArabicChars++; + if (!m_bSingleLine && !m_bOrphanLine && + m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) { + return EndBreak(FX_RTFBREAK_LineBreak); + } + return FX_RTFBREAK_None; +} +FX_DWORD CFX_RTFBreak::AppendChar_Others(CFX_RTFChar* pCurChar, + int32_t iRotation) { + FX_DWORD dwType = (pCurChar->m_dwCharProps & FX_CHARTYPEBITSMASK); + FX_WCHAR wForm; + if (dwType == FX_CHARTYPE_Numeric) { + if (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_ArabicNumber) { + wForm = pCurChar->m_wCharCode + 0x0630; + } else { + wForm = pCurChar->m_wCharCode; + } + } else if (m_bRTL || m_bVertical) { + wForm = FX_GetMirrorChar(pCurChar->m_wCharCode, pCurChar->m_dwCharProps, + m_bRTL, m_bVertical); + } else { + wForm = pCurChar->m_wCharCode; + } + int32_t iCharWidth = 0; + if (m_bVertical != FX_IsOdd(iRotation)) { + iCharWidth = 1000; + } else { + if (!m_pFont->GetCharWidth(wForm, iCharWidth, m_bCharCode)) { + iCharWidth = m_iDefChar; + } + } + iCharWidth *= m_iFontSize; + iCharWidth = iCharWidth * m_iHorizontalScale / 100; + iCharWidth += m_iCharSpace; + if (dwType == FX_CHARTYPE_Space && m_bWordSpace) { + iCharWidth += m_iWordSpace; + } + pCurChar->m_iCharWidth = iCharWidth; + m_pCurLine->m_iWidth += iCharWidth; + FX_BOOL bBreak = (dwType != FX_CHARTYPE_Space || + (m_dwPolicies & FX_RTFBREAKPOLICY_SpaceBreak) != 0); + if (!m_bSingleLine && !m_bOrphanLine && bBreak && + m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) { + return EndBreak(FX_RTFBREAK_LineBreak); + } + return FX_RTFBREAK_None; +} +FX_DWORD CFX_RTFBreak::EndBreak(FX_DWORD dwStatus) { + FXSYS_assert(dwStatus >= FX_RTFBREAK_PieceBreak && + dwStatus <= FX_RTFBREAK_PageBreak); + m_dwIdentity++; + CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces; + int32_t iCount = pCurPieces->GetSize(); + if (iCount > 0) { + CFX_RTFPiece* pLastPiece = pCurPieces->GetPtrAt(--iCount); + if (dwStatus > FX_RTFBREAK_PieceBreak) { + pLastPiece->m_dwStatus = dwStatus; + } else { + dwStatus = pLastPiece->m_dwStatus; + } + return dwStatus; + } else { + CFX_RTFLine* pLastLine = GetRTFLine(TRUE); + if (pLastLine != NULL) { + pCurPieces = &pLastLine->m_LinePieces; + iCount = pCurPieces->GetSize(); + if (iCount-- > 0) { + CFX_RTFPiece* pLastPiece = pCurPieces->GetPtrAt(iCount); + if (dwStatus > FX_RTFBREAK_PieceBreak) { + pLastPiece->m_dwStatus = dwStatus; + } else { + dwStatus = pLastPiece->m_dwStatus; + } + return dwStatus; + } + return FX_RTFBREAK_None; + } + iCount = m_pCurLine->CountChars(); + if (iCount < 1) { + return FX_RTFBREAK_None; + } + CFX_RTFChar& tc = m_pCurLine->GetChar(iCount - 1); + tc.m_dwStatus = dwStatus; + if (dwStatus <= FX_RTFBREAK_PieceBreak) { + return dwStatus; + } + } + m_iReady = (m_pCurLine == &m_RTFLine1) ? 1 : 2; + CFX_RTFLine* pNextLine = + (m_pCurLine == &m_RTFLine1) ? &m_RTFLine2 : &m_RTFLine1; + FX_BOOL bAllChars = (m_iAlignment > FX_RTFLINEALIGNMENT_Right); + CFX_TPOArray tpos; + if (EndBreak_SplitLine(pNextLine, bAllChars, dwStatus)) { + goto EndBreak_Ret; + } + if (!m_bCharCode) { + EndBreak_BidiLine(tpos, dwStatus); + } + if (!m_bPagination && m_iAlignment > FX_RTFLINEALIGNMENT_Left) { + EndBreak_Alignment(tpos, bAllChars, dwStatus); + } +EndBreak_Ret: + m_pCurLine = pNextLine; + m_pCurLine->m_iStart = m_iBoundaryStart; + CFX_RTFChar* pTC = GetLastChar(0); + m_dwCharType = pTC == NULL ? 0 : pTC->GetCharType(); + return dwStatus; +} +FX_BOOL CFX_RTFBreak::EndBreak_SplitLine(CFX_RTFLine* pNextLine, + FX_BOOL bAllChars, + FX_DWORD dwStatus) { + FX_BOOL bDone = FALSE; + if (!m_bSingleLine && !m_bOrphanLine && + m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) { + CFX_RTFChar& tc = m_pCurLine->GetChar(m_pCurLine->CountChars() - 1); + switch (tc.GetCharType()) { + case FX_CHARTYPE_Tab: + if ((m_dwPolicies & FX_RTFBREAKPOLICY_TabBreak) != 0) { + SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars); + bDone = TRUE; + } + break; + case FX_CHARTYPE_Control: + break; + case FX_CHARTYPE_Space: + if ((m_dwPolicies & FX_RTFBREAKPOLICY_SpaceBreak) != 0) { + SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars); + bDone = TRUE; + } + break; + default: + SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars); + bDone = TRUE; + break; + } + } + if (m_bPagination || m_pCurLine->m_iMBCSChars > 0) { + const CFX_RTFChar* pCurChars = m_pCurLine->m_LineChars.GetData(); + const CFX_RTFChar* pTC; + CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces; + CFX_RTFPiece tp; + tp.m_pChars = &m_pCurLine->m_LineChars; + FX_BOOL bNew = TRUE; + FX_DWORD dwIdentity = (FX_DWORD)-1; + int32_t iLast = m_pCurLine->CountChars() - 1, j = 0; + for (int32_t i = 0; i <= iLast;) { + pTC = pCurChars + i; + if (bNew) { + tp.m_iStartChar = i; + tp.m_iStartPos += tp.m_iWidth; + tp.m_iWidth = 0; + tp.m_dwStatus = pTC->m_dwStatus; + tp.m_iFontSize = pTC->m_iFontSize; + tp.m_iFontHeight = pTC->m_iFontHeight; + tp.m_iHorizontalScale = pTC->m_iHorizontalScale; + tp.m_iVerticalScale = pTC->m_iVertialScale; + tp.m_dwLayoutStyles = pTC->m_dwLayoutStyles; + dwIdentity = pTC->m_dwIdentity; + tp.m_dwIdentity = dwIdentity; + tp.m_pUserData = pTC->m_pUserData; + j = i; + bNew = FALSE; + } + if (i == iLast || pTC->m_dwStatus != FX_RTFBREAK_None || + pTC->m_dwIdentity != dwIdentity) { + tp.m_iChars = i - j; + if (pTC->m_dwIdentity == dwIdentity) { + tp.m_dwStatus = pTC->m_dwStatus; + tp.m_iWidth += pTC->m_iCharWidth; + tp.m_iChars += 1; + i++; + } + pCurPieces->Add(tp); + bNew = TRUE; + } else { + tp.m_iWidth += pTC->m_iCharWidth; + i++; + } + } + return TRUE; + } + if (bAllChars && !bDone) { + int32_t iEndPos = m_pCurLine->GetLineEnd(); + GetBreakPos(m_pCurLine->m_LineChars, iEndPos, bAllChars, TRUE); + } + return FALSE; +} +void CFX_RTFBreak::EndBreak_BidiLine(CFX_TPOArray& tpos, FX_DWORD dwStatus) { + FX_TPO tpo; + CFX_RTFPiece tp; + CFX_RTFChar* pTC; + int32_t i, j; + CFX_RTFCharArray& chars = m_pCurLine->m_LineChars; + int32_t iCount = m_pCurLine->CountChars(); + FX_BOOL bDone = (!m_bPagination && !m_bCharCode && + (m_pCurLine->m_iArabicChars > 0 || m_bRTL)); + if (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_bRTL ? 1 : 0); + } else { + for (i = 0; i < iCount; i++) { + pTC = chars.GetDataPtr(i); + pTC->m_iBidiLevel = 0; + pTC->m_iBidiPos = 0; + pTC->m_iBidiOrder = 0; + } + } + tp.m_dwStatus = FX_RTFBREAK_PieceBreak; + tp.m_iStartPos = m_pCurLine->m_iStart; + tp.m_pChars = &chars; + CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces; + int32_t iBidiLevel = -1, iCharWidth; + FX_DWORD dwIdentity = (FX_DWORD)-1; + i = j = 0; + while (i < iCount) { + pTC = chars.GetDataPtr(i); + if (iBidiLevel < 0) { + iBidiLevel = pTC->m_iBidiLevel; + iCharWidth = pTC->m_iCharWidth; + if (iCharWidth < 1) { + tp.m_iWidth = 0; + } else { + tp.m_iWidth = iCharWidth; + } + tp.m_iBidiLevel = iBidiLevel; + tp.m_iBidiPos = pTC->m_iBidiOrder; + tp.m_iFontSize = pTC->m_iFontSize; + tp.m_iFontHeight = pTC->m_iFontHeight; + tp.m_iHorizontalScale = pTC->m_iHorizontalScale; + tp.m_iVerticalScale = pTC->m_iVertialScale; + dwIdentity = pTC->m_dwIdentity; + tp.m_dwIdentity = dwIdentity; + tp.m_pUserData = pTC->m_pUserData; + tp.m_dwStatus = FX_RTFBREAK_PieceBreak; + i++; + } else if (iBidiLevel != pTC->m_iBidiLevel || + pTC->m_dwIdentity != dwIdentity) { + 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 (!m_bCharCode) { + j = tpos.GetSize() - 1; + FX_TEXTLAYOUT_PieceSort(tpos, 0, j); + int32_t iStartPos = m_pCurLine->m_iStart; + for (i = 0; i <= j; i++) { + tpo = tpos.GetAt(i); + CFX_RTFPiece& ttp = pCurPieces->GetAt(tpo.index); + ttp.m_iStartPos = iStartPos; + iStartPos += ttp.m_iWidth; + } + } +} +void CFX_RTFBreak::EndBreak_Alignment(CFX_TPOArray& tpos, + FX_BOOL bAllChars, + FX_DWORD dwStatus) { + CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces; + int32_t iNetWidth = m_pCurLine->m_iWidth, iGapChars = 0, iCharWidth; + int32_t iCount = pCurPieces->GetSize(); + FX_BOOL bFind = FALSE; + FX_DWORD dwCharType; + int32_t i, j; + FX_TPO tpo; + for (i = iCount - 1; i > -1; i--) { + tpo = tpos.GetAt(i); + CFX_RTFPiece& 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) { + const CFX_RTFChar& tc = ttp.GetChar(j); + if (tc.m_nBreakType == FX_LBT_DIRECT_BRK) { + iGapChars++; + } + if (!bFind || !bAllChars) { + dwCharType = tc.GetCharType(); + if (dwCharType == FX_CHARTYPE_Space || + dwCharType == FX_CHARTYPE_Control) { + if (!bFind) { + iCharWidth = tc.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_iBoundaryEnd - iNetWidth; + int32_t iLowerAlignment = (m_iAlignment & FX_RTFLINEALIGNMENT_LowerMask); + int32_t iHigherAlignment = (m_iAlignment & FX_RTFLINEALIGNMENT_HigherMask); + if (iGapChars > 0 && (iHigherAlignment == FX_RTFLINEALIGNMENT_Distributed || + (iHigherAlignment == FX_RTFLINEALIGNMENT_Justified && + dwStatus != FX_RTFBREAK_ParagraphBreak))) { + int32_t iStart = -1; + for (i = 0; i < iCount; i++) { + tpo = tpos.GetAt(i); + CFX_RTFPiece& ttp = pCurPieces->GetAt(tpo.index); + if (iStart < 0) { + iStart = ttp.m_iStartPos; + } else { + ttp.m_iStartPos = iStart; + } + int32_t k; + for (j = 0; j < ttp.m_iChars; j++) { + CFX_RTFChar& tc = ttp.GetChar(j); + if (tc.m_nBreakType != FX_LBT_DIRECT_BRK || tc.m_iCharWidth < 0) { + continue; + } + k = iOffset / iGapChars; + tc.m_iCharWidth += k; + ttp.m_iWidth += k; + iOffset -= k; + iGapChars--; + if (iGapChars < 1) { + break; + } + } + iStart += ttp.m_iWidth; + } + } else if (iLowerAlignment > FX_RTFLINEALIGNMENT_Left) { + if (iLowerAlignment == FX_RTFLINEALIGNMENT_Center) { + iOffset /= 2; + } + if (iOffset > 0) { + for (i = 0; i < iCount; i++) { + CFX_RTFPiece& ttp = pCurPieces->GetAt(i); + ttp.m_iStartPos += iOffset; + } + } + } +} +int32_t CFX_RTFBreak::GetBreakPos(CFX_RTFCharArray& tca, + int32_t& iEndPos, + FX_BOOL bAllChars, + FX_BOOL bOnlyBrk) { + int32_t iLength = tca.GetSize() - 1; + if (iLength < 1) { + return iLength; + } + int32_t iBreak = -1, iBreakPos = -1, iIndirect = -1, iIndirectPos = -1, + iLast = -1, iLastPos = -1; + if (m_bSingleLine || m_bOrphanLine || iEndPos <= m_iBoundaryEnd) { + if (!bAllChars || m_bCharCode) { + return iLength; + } + iBreak = iLength; + iBreakPos = iEndPos; + } + CFX_RTFChar* pCharArray = tca.GetData(); + if (m_bCharCode) { + const CFX_RTFChar* pChar; + int32_t iCharWidth; + while (iLength > 0) { + if (iEndPos <= m_iBoundaryEnd) { + break; + } + pChar = pCharArray + iLength--; + iCharWidth = pChar->m_iCharWidth; + if (iCharWidth > 0) { + iEndPos -= iCharWidth; + } + } + return iLength; + } + FX_BOOL bSpaceBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_SpaceBreak) != 0; + FX_BOOL bTabBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_TabBreak) != 0; + FX_BOOL bNumberBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_NumberBreak) != 0; + FX_BOOL bInfixBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_InfixBreak) != 0; + FX_LINEBREAKTYPE eType; + FX_DWORD nCodeProp, nCur, nNext; + CFX_RTFChar* pCur = pCharArray + 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 = pCharArray + iLength; + nCodeProp = pCur->m_dwCharProps; + nCur = nCodeProp & 0x003F; + FX_BOOL bNeedBreak = FALSE; + if (nCur == FX_CBP_SP) { + bNeedBreak = !bSpaceBreak; + 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 (nCur == FX_CBP_TB) { + bNeedBreak = !bTabBreak; + if (nNext == FX_CBP_TB) { + eType = bTabBreak ? 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 (bInfixBreak && nCur == FX_CBP_IS && nNext == FX_CBP_IS) { + 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 = eType; + } + if (!bOnlyBrk) { + iCharWidth = pCur->m_iCharWidth; + FX_BOOL bBreak = FALSE; + if (nCur == FX_CBP_TB && bTabBreak) { + bBreak = iCharWidth > 0 && iEndPos - iCharWidth <= m_iBoundaryEnd; + } else { + bBreak = iEndPos <= m_iBoundaryEnd; + } + if (m_bSingleLine || m_bOrphanLine || bBreak || bNeedBreak) { + 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; + } + } + 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_RTFBreak::SplitTextLine(CFX_RTFLine* pCurLine, + CFX_RTFLine* pNextLine, + FX_BOOL bAllChars) { + FXSYS_assert(pCurLine != NULL && pNextLine != NULL); + int32_t iCount = pCurLine->CountChars(); + if (iCount < 2) { + return; + } + int32_t iEndPos = pCurLine->GetLineEnd(); + CFX_RTFCharArray& curChars = pCurLine->m_LineChars; + 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_RTFCharArray& nextChars = pNextLine->m_LineChars; + int cur_size = curChars.GetSize(); + nextChars.SetSize(cur_size - iCharPos); + FXSYS_memcpy(nextChars.GetData(), curChars.GetDataPtr(iCharPos), + (cur_size - iCharPos) * sizeof(CFX_RTFChar)); + iCount -= iCharPos; + cur_size = curChars.GetSize(); + curChars.RemoveAt(cur_size - iCount, iCount); + pNextLine->m_iStart = pCurLine->m_iStart; + pNextLine->m_iWidth = pCurLine->GetLineEnd() - iEndPos; + pCurLine->m_iWidth = iEndPos; + CFX_RTFChar* tc = curChars.GetDataPtr(iCharPos - 1); + tc->m_nBreakType = FX_LBT_UNKNOWN; + iCount = nextChars.GetSize(); + CFX_RTFChar* pNextChars = nextChars.GetData(); + for (int32_t i = 0; i < iCount; i++) { + CFX_RTFChar* tc = pNextChars + i; + if (tc->GetCharType() >= FX_CHARTYPE_ArabicAlef) { + pCurLine->m_iArabicChars--; + pNextLine->m_iArabicChars++; + } + if (tc->m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_MBCSCode) { + pCurLine->m_iMBCSChars--; + pNextLine->m_iMBCSChars++; + } + tc->m_dwStatus = 0; + } +} +int32_t CFX_RTFBreak::CountBreakPieces() const { + CFX_RTFPieceArray* pRTFPieces = GetRTFPieces(TRUE); + if (pRTFPieces == NULL) { + return 0; + } + return pRTFPieces->GetSize(); +} +const CFX_RTFPiece* CFX_RTFBreak::GetBreakPiece(int32_t index) const { + CFX_RTFPieceArray* pRTFPieces = GetRTFPieces(TRUE); + if (pRTFPieces == NULL) { + return NULL; + } + if (index < 0 || index >= pRTFPieces->GetSize()) { + return NULL; + } + return pRTFPieces->GetPtrAt(index); +} +void CFX_RTFBreak::GetLineRect(CFX_RectF& rect) const { + rect.top = 0; + CFX_RTFLine* pRTFLine = GetRTFLine(TRUE); + if (pRTFLine == NULL) { + rect.left = ((FX_FLOAT)m_iBoundaryStart) / 20000.0f; + rect.width = rect.height = 0; + return; + } + rect.left = ((FX_FLOAT)pRTFLine->m_iStart) / 20000.0f; + rect.width = ((FX_FLOAT)pRTFLine->m_iWidth) / 20000.0f; + CFX_RTFPieceArray& rtfPieces = pRTFLine->m_LinePieces; + int32_t iCount = rtfPieces.GetSize(); + if (iCount < 1) { + rect.width = 0; + return; + } + CFX_RTFPiece* pBreakPiece; + int32_t iLineHeight = 0, iMax; + for (int32_t i = 0; i < iCount; i++) { + pBreakPiece = rtfPieces.GetPtrAt(i); + int32_t iFontHeight = FXSYS_round(pBreakPiece->m_iFontHeight * + pBreakPiece->m_iVerticalScale / 100.0f); + iMax = std::max(pBreakPiece->m_iFontSize, iFontHeight); + if (i == 0) { + iLineHeight = iMax; + } else if (iLineHeight < iMax) { + iLineHeight = iMax; + } + } + rect.height = ((FX_FLOAT)iLineHeight) / 20.0f; +} +void CFX_RTFBreak::ClearBreakPieces() { + CFX_RTFLine* pRTFLine = GetRTFLine(TRUE); + if (pRTFLine != NULL) { + pRTFLine->RemoveAll(TRUE); + } + m_iReady = 0; +} +void CFX_RTFBreak::Reset() { + m_dwCharType = 0; + m_RTFLine1.RemoveAll(TRUE); + m_RTFLine2.RemoveAll(TRUE); +} +int32_t CFX_RTFBreak::GetDisplayPos(const FX_RTFTEXTOBJ* pText, + FXTEXT_CHARPOS* pCharPos, + FX_BOOL bCharCode, + CFX_WideString* pWSForms, + FX_AdjustCharDisplayPos pAdjustPos) const { + if (pText == NULL || pText->iLength < 1) { + return 0; + } + FXSYS_assert(pText->pStr != NULL && pText->pWidths != NULL && + pText->pFont != NULL && pText->pRect != NULL); + const FX_WCHAR* pStr = pText->pStr; + int32_t* pWidths = pText->pWidths; + int32_t iLength = pText->iLength - 1; + IFX_Font* pFont = pText->pFont; + FX_DWORD dwStyles = pText->dwLayoutStyles; + CFX_RectF rtText(*pText->pRect); + FX_BOOL bRTLPiece = FX_IsOdd(pText->iBidiLevel); + FX_FLOAT fFontSize = pText->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_RTFLAYOUTSTYLE_VerticalLayout) != 0; + FX_BOOL bVerticalChar = (dwStyles & FX_RTFLAYOUTSTYLE_VerticalChars) != 0; + FX_BOOL bArabicNumber = (dwStyles & FX_RTFLAYOUTSTYLE_ArabicNumber) != 0; + FX_BOOL bMBCSCode = (dwStyles & FX_RTFLAYOUTSTYLE_MBCSCode) != 0; + int32_t iRotation = GetLineRotation(dwStyles) + pText->iCharRotation; + int32_t iCharRotation; + FX_WCHAR wch, wPrev = 0xFEFF, wNext, wForm; + int32_t iWidth, iCharWidth, iCharHeight; + FX_FLOAT fX, fY, fCharWidth, fCharHeight; + int32_t iHorScale = pText->iHorizontalScale; + int32_t iVerScale = pText->iVerticalScale; + FX_BOOL bEmptyChar; + FX_DWORD dwProps, dwCharType; + fX = rtText.left; + fY = rtText.top; + if (bVerticalDoc) { + fX += (rtText.width - fFontSize) / 2.0f; + if (bRTLPiece) { + fY = rtText.bottom(); + } + } else { + if (bRTLPiece) { + fX = rtText.right(); + } + fY += fAscent; + } + int32_t iCount = 0; + for (int32_t i = 0; i <= iLength; i++) { + wch = *pStr++; + iWidth = *pWidths++; + if (!bMBCSCode) { + dwProps = FX_GetUnicodeProperties(wch); + dwCharType = (dwProps & FX_CHARTYPEBITSMASK); + if (dwCharType == FX_CHARTYPE_ArabicAlef && iWidth == 0) { + wPrev = 0xFEFF; + continue; + } + } else { + dwProps = 0; + dwCharType = 0; + } + if (iWidth != 0) { + iCharWidth = iWidth; + if (iCharWidth < 0) { + iCharWidth = -iCharWidth; + } + if (!bMBCSCode) { + bEmptyChar = (dwCharType >= FX_CHARTYPE_Tab && + dwCharType <= FX_CHARTYPE_Control); + } else { + bEmptyChar = FALSE; + } + if (!bEmptyChar) { + iCount++; + } + if (pCharPos != NULL) { + iCharWidth /= iFontSize; + wForm = wch; + if (!bMBCSCode) { + if (dwCharType >= FX_CHARTYPE_ArabicAlef) { + if (i < iLength) { + wNext = *pStr; + if (*pWidths < 0) { + if (i + 1 < iLength) { + wNext = pStr[1]; + } + } + } else { + wNext = 0xFEFF; + } + wForm = m_pArabicChar->GetFormChar(wch, wPrev, wNext); + } else if (bRTLPiece || bVerticalChar) { + wForm = FX_GetMirrorChar(wch, dwProps, bRTLPiece, bVerticalChar); + } else if (dwCharType == FX_CHARTYPE_Numeric && bArabicNumber) { + wForm = wch + 0x0630; + } + dwProps = FX_GetUnicodeProperties(wForm); + } + iCharRotation = iRotation; + if (!bMBCSCode && bVerticalChar && (dwProps & 0x8000) != 0) { + iCharRotation++; + iCharRotation %= 4; + } + if (!bEmptyChar) { + if (bCharCode) { + pCharPos->m_GlyphIndex = wch; + } else { + pCharPos->m_GlyphIndex = pFont->GetGlyphIndex(wForm, bMBCSCode); + if (pCharPos->m_GlyphIndex == 0xFFFF) { + pCharPos->m_GlyphIndex = pFont->GetGlyphIndex(wch, bMBCSCode); + } + } + 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 (!bMBCSCode && bRTLPiece && dwCharType != FX_CHARTYPE_Combination) { + if (bVerticalDoc) { + fY -= fCharHeight; + } else { + fX -= fCharWidth; + } + } + if (!bEmptyChar) { + CFX_PointF ptOffset; + FX_BOOL bAdjusted = FALSE; + if (pAdjustPos) { + bAdjusted = pAdjustPos(wForm, bMBCSCode, pFont, fFontSize, + bVerticalChar, ptOffset); + } + if (!pAdjustPos && bVerticalChar && (dwProps & 0x00010000) != 0) { + CFX_Rect rtBBox; + rtBBox.Reset(); + if (pFont->GetCharBBox(wForm, rtBBox, bMBCSCode)) { + ptOffset.x = fFontSize * (850 - rtBBox.right()) / 1000.0f; + ptOffset.y = fFontSize * (1000 - rtBBox.height) / 2000.0f; + } + } + pCharPos->m_OriginX = fX + ptOffset.x; + pCharPos->m_OriginY = fY - ptOffset.y; + } + if (!bRTLPiece && dwCharType != FX_CHARTYPE_Combination) { + if (bVerticalDoc) { + fY += fCharHeight; + } else { + fX += fCharWidth; + } + } + if (!bEmptyChar) { + 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 * iVerScale / 100.0f; + } 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 + fAscent * iVerScale / 100.0f - fAscent; + } 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; + pCharPos->m_OriginY += fCharWidth; + } + } else { + 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 * iVerScale / 100.0f - 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; + 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 * iVerScale / 100.0f; + } + } + 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 = wch; + } + } + return iCount; +} +int32_t CFX_RTFBreak::GetCharRects(const FX_RTFTEXTOBJ* pText, + CFX_RectFArray& rtArray, + FX_BOOL bCharBBox) const { + if (pText == NULL || pText->iLength < 1) { + return 0; + } + FXSYS_assert(pText->pStr != NULL && pText->pWidths != NULL && + pText->pFont != NULL && pText->pRect != NULL); + const FX_WCHAR* pStr = pText->pStr; + int32_t* pWidths = pText->pWidths; + int32_t iLength = pText->iLength; + CFX_RectF rect(*pText->pRect); + FX_BOOL bRTLPiece = FX_IsOdd(pText->iBidiLevel); + FX_FLOAT fFontSize = pText->fFontSize; + int32_t iFontSize = FXSYS_round(fFontSize * 20.0f); + FX_FLOAT fScale = fFontSize / 1000.0f; + IFX_Font* pFont = pText->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_DWORD dwStyles = pText->dwLayoutStyles; + FX_BOOL bVertical = (dwStyles & FX_RTFLAYOUTSTYLE_VerticalLayout) != 0; + FX_BOOL bSingleLine = (dwStyles & FX_RTFLAYOUTSTYLE_SingleLine) != 0; + FX_BOOL bCombText = (dwStyles & FX_TXTLAYOUTSTYLE_CombText) != 0; + FX_WCHAR wch, wLineBreakChar = pText->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++) { + 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; +} |