// 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 <algorithm> | |
#include "core/include/fxcrt/fx_arb.h" | |
#include "xfa/src/fgas/include/fx_lbk.h" | |
#include "xfa/src/fgas/src/fgas_base.h" | |
#include "xfa/src/fgas/src/layout/fx_unicode.h" | |
#include "xfa/src/fgas/src/layout/fx_textbreak.h" | |
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); | |
} | |
typedef struct _FX_FORMCHAR { | |
FX_WORD wch; | |
FX_WORD wForm; | |
int32_t iWidth; | |
} FX_FORMCHAR, *FX_LPFORMCHAR; | |
typedef FX_FORMCHAR const* FX_LPCFORMCHAR; | |
int32_t 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; | |
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; | |
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; | |
} | |
int32_t 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; | |
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; | |
} |