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Unified Diff: xfa/src/fgas/layout/fgas_textbreak.cpp

Issue 1803723002: Move xfa/src up to xfa/. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Rebase to master Created 4 years, 9 months ago
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Index: xfa/src/fgas/layout/fgas_textbreak.cpp
diff --git a/xfa/src/fgas/layout/fgas_textbreak.cpp b/xfa/src/fgas/layout/fgas_textbreak.cpp
deleted file mode 100644
index af7be50a51856290ff2ad727ee4753184e1af049..0000000000000000000000000000000000000000
--- 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;
-}
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