diff options
Diffstat (limited to 'xfa/src/fgas/src/layout/fx_textbreak.cpp')
| -rw-r--r-- | xfa/src/fgas/src/layout/fx_textbreak.cpp | 1653 |
1 files changed, 1653 insertions, 0 deletions
diff --git a/xfa/src/fgas/src/layout/fx_textbreak.cpp b/xfa/src/fgas/src/layout/fx_textbreak.cpp new file mode 100644 index 0000000000..0bb7b69585 --- /dev/null +++ b/xfa/src/fgas/src/layout/fx_textbreak.cpp @@ -0,0 +1,1653 @@ +// 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 "../fgas_base.h"
+#include "fx_unicode.h"
+#include "fx_textbreak.h"
+extern const FX_DWORD gs_FX_TextLayout_CodeProperties[65536];
+extern const FX_WCHAR gs_FX_TextLayout_VerticalMirror[64];
+extern const FX_WCHAR gs_FX_TextLayout_BidiMirror[512];
+extern const FX_LINEBREAKTYPE gs_FX_LineBreak_PairTable[64][32];
+IFX_TxtBreak* IFX_TxtBreak::Create(FX_DWORD dwPolicies)
+{
+ return FX_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 = FX_NEW CFX_TxtLine(sizeof(CFX_Char));
+ m_pTxtLine2 = FX_NEW CFX_TxtLine(sizeof(CFX_Char));
+ } else {
+ m_pTxtLine1 = FX_NEW CFX_TxtLine(sizeof(CFX_TxtChar));
+ m_pTxtLine2 = FX_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)
+{
+ FX_INT32 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)
+{
+ FX_INT32 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(FX_INT32 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(FX_INT32 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(FX_LPVOID pUserData)
+{
+ if (m_pUserData == pUserData) {
+ return;
+ }
+ SetBreakStatus();
+ m_pUserData = pUserData;
+}
+void CFX_TxtBreak::SetBreakStatus()
+{
+ if (m_bPagination) {
+ return;
+ }
+ FX_INT32 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(FX_INT32 iScale)
+{
+ if (iScale < 0) {
+ iScale = 0;
+ }
+ if (iScale == m_iHorScale) {
+ return;
+ }
+ SetBreakStatus();
+ m_iHorScale = iScale;
+}
+void CFX_TxtBreak::SetVerticalScale(FX_INT32 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 FX_INT32 gs_FX_TxtLineRotations[8] = {0, 3, 1, 0, 2, 1, 3, 2};
+FX_INT32 CFX_TxtBreak::GetLineRotation(FX_DWORD dwStyles) const
+{
+ return gs_FX_TxtLineRotations[(dwStyles & 0x0E) >> 1];
+}
+CFX_TxtChar* CFX_TxtBreak::GetLastChar(FX_INT32 index, FX_BOOL bOmitChar) const
+{
+ CFX_TxtCharArray &ca = *m_pCurLine->m_pLineChars;
+ FX_INT32 iCount = ca.GetSize();
+ if (index < 0 || index >= iCount) {
+ return NULL;
+ }
+ CFX_TxtChar *pTC;
+ FX_INT32 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) {
+ FX_INT32 iBidiCls = (dwProps & FX_BIDICLASSBITSMASK) >> FX_BIDICLASSBITS;
+ FX_INT32 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, FX_INT32 iRotation)
+{
+ FXSYS_assert(pCurChar != NULL);
+ FX_WCHAR wch = pCurChar->m_wCharCode;
+ FX_WCHAR wForm;
+ FX_INT32 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, FX_INT32 iRotation)
+{
+ m_dwCharType = FX_CHARTYPE_Tab;
+ if ((m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_ExpandTab) == 0) {
+ return FX_TXTBREAK_None;
+ }
+ FX_INT32 &iLineWidth = m_pCurLine->m_iWidth;
+ FX_INT32 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, FX_INT32 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, FX_INT32 iRotation)
+{
+ FX_DWORD dwType = (pCurChar->m_dwCharProps & FX_CHARTYPEBITSMASK);
+ FX_INT32 &iLineWidth = m_pCurLine->m_iWidth;
+ FX_WCHAR wForm;
+ FX_INT32 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);
+ FX_INT32 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, FX_INT32 iRotation)
+{
+ FX_DWORD dwProps = pCurChar->m_dwCharProps;
+ FX_DWORD dwType = (dwProps & FX_CHARTYPEBITSMASK);
+ FX_INT32 &iLineWidth = m_pCurLine->m_iWidth;
+ FX_INT32 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, FX_INT32 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 = gs_FX_TextLayout_CodeProperties[(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);
+ FX_INT32 iCount = m_pCurLine->CountChars();
+ if (iCount > 0) {
+ pCurChar = m_pCurLine->m_pLineChars->GetDataPtr(iCount - 1);
+ }
+ }
+ }
+ }
+ FX_INT32 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 FX_MAX(dwRet1, dwRet2);
+}
+void CFX_TxtBreak::EndBreak_UpdateArabicShapes()
+{
+ FXSYS_assert(m_bArabicShapes);
+ FX_INT32 iCount = m_pCurLine->CountChars();
+ if (iCount < 2) {
+ return;
+ }
+ FX_INT32 &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;
+ FX_INT32 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)
+{
+ FX_INT32 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) {
+ FX_INT32 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;
+ FX_INT32 i, j;
+ CFX_TxtCharArray &chars = *m_pCurLine->m_pLineChars;
+ FX_INT32 iCount = m_pCurLine->CountChars();
+ FX_BOOL bDone = (m_pCurLine->m_iArabicChars > 0 || m_bCurRTL);
+ if (!m_bPagination && bDone) {
+ FX_INT32 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;
+ FX_INT32 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);
+ FX_INT32 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)
+{
+ FX_INT32 iNetWidth = m_pCurLine->m_iWidth, iGapChars = 0, iCharWidth;
+ CFX_TxtPieceArray *pCurPieces = m_pCurLine->m_pLinePieces;
+ FX_INT32 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;
+ }
+ }
+ FX_INT32 iOffset = m_iLineWidth - iNetWidth;
+ FX_INT32 iLowerAlignment = (m_iCurAlignment & FX_TXTLINEALIGNMENT_LowerMask);
+ FX_INT32 iHigherAlignment = (m_iCurAlignment & FX_TXTLINEALIGNMENT_HigherMask);
+ if (iGapChars > 0 && (iHigherAlignment == FX_TXTLINEALIGNMENT_Distributed || (iHigherAlignment == FX_TXTLINEALIGNMENT_Justified && dwStatus != FX_TXTBREAK_ParagraphBreak))) {
+ FX_INT32 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;
+ }
+ FX_INT32 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;
+ FX_INT32 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;
+}
+FX_INT32 CFX_TxtBreak::GetBreakPos(CFX_TxtCharArray &ca, FX_INT32 &iEndPos, FX_BOOL bAllChars, FX_BOOL bOnlyBrk)
+{
+ FX_INT32 iLength = ca.GetSize() - 1;
+ if (iLength < 1) {
+ return iLength;
+ }
+ FX_INT32 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;
+ FX_INT32 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 = (FX_BYTE)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);
+ FX_INT32 iCount = pCurLine->CountChars();
+ if (iCount < 2) {
+ return;
+ }
+ FX_INT32 iEndPos = pCurLine->m_iWidth;
+ CFX_TxtCharArray &curChars = *pCurLine->m_pLineChars;
+ FX_INT32 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();
+ FX_INT32 iCharWidth, iWidth = 0;
+ for (FX_INT32 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;
+}
+FX_INT32 CFX_TxtBreak::CountBreakChars() const
+{
+ CFX_TxtLine *pTxtLine = GetTxtLine(TRUE);
+ return pTxtLine == NULL ? 0 : pTxtLine->CountChars();
+}
+FX_INT32 CFX_TxtBreak::CountBreakPieces() const
+{
+ CFX_TxtPieceArray *pTxtPieces = GetTxtPieces(TRUE);
+ if (pTxtPieces == NULL) {
+ return 0;
+ }
+ return pTxtPieces->GetSize();
+}
+const CFX_TxtPiece* CFX_TxtBreak::GetBreakPiece(FX_INT32 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);
+}
+typedef struct _FX_FORMCHAR {
+ FX_WORD wch;
+ FX_WORD wForm;
+ FX_INT32 iWidth;
+} FX_FORMCHAR, * FX_LPFORMCHAR;
+typedef FX_FORMCHAR const * FX_LPCFORMCHAR;
+FX_INT32 CFX_TxtBreak::GetDisplayPos(FX_LPCTXTRUN 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;
+ FX_LPVOID pIdentity = pTxtRun->pIdentity;
+ FX_LPCWSTR pStr = pTxtRun->pStr;
+ FX_INT32 *pWidths = pTxtRun->pWidths;
+ FX_INT32 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;
+ FX_INT32 iFontSize = FXSYS_round(fFontSize * 20.0f);
+ FX_INT32 iAscent = pFont->GetAscent();
+ FX_INT32 iDescent = pFont->GetDescent();
+ FX_INT32 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;
+ FX_INT32 iRotation = GetLineRotation(dwStyles) + pTxtRun->iCharRotation;
+ FX_INT32 iCharRotation;
+ FX_WCHAR wch, wPrev = 0xFEFF, wNext, wForm, wLast = 0xFEFF;
+ FX_INT32 iWidth, iCharWidth, iCharHeight;
+ FX_FLOAT fX, fY, fCharWidth, fCharHeight;
+ FX_INT32 iHorScale = pTxtRun->iHorizontalScale;
+ FX_INT32 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;
+ }
+ FX_INT32 iCount = 0, iNext, iForms;
+ for (FX_INT32 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 {
+ FX_INT32 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 (FX_INT32 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) {
+ FX_INT32 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;
+ ptOffset.Reset();
+ 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;
+}
+FX_INT32 CFX_TxtBreak::GetCharRects(FX_LPCTXTRUN pTxtRun, CFX_RectFArray &rtArray, FX_BOOL bCharBBox ) const
+{
+ if (pTxtRun == NULL || pTxtRun->iLength < 1) {
+ return 0;
+ }
+ IFX_TxtAccess *pAccess = pTxtRun->pAccess;
+ FX_LPVOID pIdentity = pTxtRun->pIdentity;
+ FX_LPCWSTR pStr = pTxtRun->pStr;
+ FX_INT32 *pWidths = pTxtRun->pWidths;
+ FX_INT32 iLength = pTxtRun->iLength;
+ CFX_RectF rect(*pTxtRun->pRect);
+ FX_BOOL bRTLPiece = (pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_OddBidiLevel) != 0;
+ FX_FLOAT fFontSize = pTxtRun->fFontSize;
+ FX_INT32 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 = FX_MAX(0, 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;
+ FX_INT32 iCharSize;
+ FX_FLOAT fCharSize, fStart;
+ if (bVertical) {
+ fStart = bRTLPiece ? rect.bottom() : rect.top;
+ } else {
+ fStart = bRTLPiece ? rect.right() : rect.left;
+ }
+ for (FX_INT32 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) {
+ FX_INT32 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 = FX_MAX(rtBBoxF.left, 0);
+ } else {
+ rtBBoxF.left = rect.left + fRTLeft;
+ rtBBoxF.top = rect.top + (rect.height - fHeight) / 2.0f;
+ rtBBoxF.width = fCharWidth;
+ rtBBoxF.height = fHeight;
+ rtBBoxF.top = FX_MAX(rtBBoxF.top, 0);
+ }
+ rtArray.SetAt(i, rtBBoxF);
+ continue;
+ }
+ rtArray.SetAt(i, rect);
+ }
+ return iLength;
+}
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