// 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 "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_rtfbreak.h" | |
IFX_RTFBreak* IFX_RTFBreak::Create(FX_DWORD dwPolicies) { | |
return new CFX_RTFBreak(dwPolicies); | |
} | |
CFX_RTFBreak::CFX_RTFBreak(FX_DWORD dwPolicies) | |
: m_dwPolicies(dwPolicies), | |
m_pArabicChar(NULL), | |
m_iBoundaryStart(0), | |
m_iBoundaryEnd(2000000), | |
m_dwLayoutStyles(0), | |
m_bPagination(FALSE), | |
m_bVertical(FALSE), | |
m_bSingleLine(FALSE), | |
m_bCharCode(FALSE), | |
m_pFont(NULL), | |
m_iFontHeight(240), | |
m_iFontSize(240), | |
m_iTabWidth(720000), | |
m_PositionedTabs(), | |
m_bOrphanLine(FALSE), | |
m_wDefChar(0xFEFF), | |
m_iDefChar(0), | |
m_wLineBreakChar(L'\n'), | |
m_iHorizontalScale(100), | |
m_iVerticalScale(100), | |
m_iLineRotation(0), | |
m_iCharRotation(0), | |
m_iRotation(0), | |
m_iCharSpace(0), | |
m_bWordSpace(FALSE), | |
m_iWordSpace(0), | |
m_bRTL(FALSE), | |
m_iAlignment(FX_RTFLINEALIGNMENT_Left), | |
m_pUserData(NULL), | |
m_dwCharType(0), | |
m_dwIdentity(0), | |
m_RTFLine1(), | |
m_RTFLine2(), | |
m_pCurLine(NULL), | |
m_iReady(0), | |
m_iTolerance(0) { | |
m_pArabicChar = IFX_ArabicChar::Create(); | |
m_pCurLine = &m_RTFLine1; | |
} | |
CFX_RTFBreak::~CFX_RTFBreak() { | |
Reset(); | |
m_PositionedTabs.RemoveAll(); | |
m_pArabicChar->Release(); | |
if (m_pUserData != NULL) { | |
m_pUserData->Release(); | |
} | |
} | |
void CFX_RTFBreak::SetLineBoundary(FX_FLOAT fLineStart, FX_FLOAT fLineEnd) { | |
if (fLineStart > fLineEnd) | |
return; | |
m_iBoundaryStart = FXSYS_round(fLineStart * 20000.0f); | |
m_iBoundaryEnd = FXSYS_round(fLineEnd * 20000.0f); | |
m_pCurLine->m_iStart = std::min(m_pCurLine->m_iStart, m_iBoundaryEnd); | |
m_pCurLine->m_iStart = std::max(m_pCurLine->m_iStart, m_iBoundaryStart); | |
} | |
void CFX_RTFBreak::SetLineStartPos(FX_FLOAT fLinePos) { | |
int32_t iLinePos = FXSYS_round(fLinePos * 20000.0f); | |
iLinePos = std::min(iLinePos, m_iBoundaryEnd); | |
iLinePos = std::max(iLinePos, m_iBoundaryStart); | |
m_pCurLine->m_iStart = iLinePos; | |
} | |
void CFX_RTFBreak::SetLayoutStyles(FX_DWORD dwLayoutStyles) { | |
if (m_dwLayoutStyles == dwLayoutStyles) { | |
return; | |
} | |
SetBreakStatus(); | |
m_dwLayoutStyles = dwLayoutStyles; | |
m_bPagination = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_Pagination) != 0; | |
m_bVertical = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_VerticalChars) != 0; | |
m_bSingleLine = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_SingleLine) != 0; | |
m_bCharCode = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_MBCSCode) != 0; | |
m_iLineRotation = GetLineRotation(m_dwLayoutStyles); | |
m_iRotation = m_iLineRotation + m_iCharRotation; | |
m_iRotation %= 4; | |
} | |
void CFX_RTFBreak::SetFont(IFX_Font* pFont) { | |
if (pFont == NULL) { | |
return; | |
} | |
if (m_pFont == pFont) { | |
return; | |
} | |
SetBreakStatus(); | |
m_pFont = pFont; | |
m_iDefChar = 0; | |
if (m_pFont != NULL) { | |
m_iFontHeight = m_iFontSize; | |
if (m_wDefChar != 0xFEFF) { | |
m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE); | |
m_iDefChar *= m_iFontSize; | |
} | |
} | |
} | |
void CFX_RTFBreak::SetFontSize(FX_FLOAT fFontSize) { | |
int32_t iFontSize = FXSYS_round(fFontSize * 20.0f); | |
if (m_iFontSize == iFontSize) { | |
return; | |
} | |
SetBreakStatus(); | |
m_iFontSize = iFontSize; | |
m_iDefChar = 0; | |
if (m_pFont != NULL) { | |
m_iFontHeight = m_iFontSize; | |
if (m_wDefChar != 0xFEFF) { | |
m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE); | |
m_iDefChar *= m_iFontSize; | |
} | |
} | |
} | |
void CFX_RTFBreak::SetTabWidth(FX_FLOAT fTabWidth) { | |
m_iTabWidth = FXSYS_round(fTabWidth * 20000.0f); | |
} | |
void CFX_RTFBreak::AddPositionedTab(FX_FLOAT fTabPos) { | |
int32_t iLineEnd = m_iBoundaryEnd; | |
int32_t iTabPos = FXSYS_round(fTabPos * 20000.0f) + m_iBoundaryStart; | |
if (iTabPos > iLineEnd) { | |
iTabPos = iLineEnd; | |
} | |
if (m_PositionedTabs.Find(iTabPos, 0) > -1) { | |
return; | |
} | |
int32_t iCount = m_PositionedTabs.GetSize(); | |
int32_t iFind = 0; | |
for (; iFind < iCount; iFind++) { | |
if (m_PositionedTabs[iFind] > iTabPos) { | |
break; | |
} | |
} | |
m_PositionedTabs.InsertAt(iFind, iTabPos); | |
if (m_dwPolicies & FX_RTFBREAKPOLICY_OrphanPositionedTab) { | |
m_bOrphanLine = GetLastPositionedTab() >= iLineEnd; | |
} else { | |
m_bOrphanLine = FALSE; | |
} | |
} | |
void CFX_RTFBreak::SetPositionedTabs(const CFX_FloatArray& tabs) { | |
m_PositionedTabs.RemoveAll(); | |
int32_t iCount = tabs.GetSize(); | |
m_PositionedTabs.SetSize(iCount); | |
int32_t iLineEnd = m_iBoundaryEnd; | |
int32_t iTabPos; | |
for (int32_t i = 0; i < iCount; i++) { | |
iTabPos = FXSYS_round(tabs[i] * 20000.0f) + m_iBoundaryStart; | |
if (iTabPos > iLineEnd) { | |
iTabPos = iLineEnd; | |
} | |
m_PositionedTabs[i] = iTabPos; | |
} | |
if (m_dwPolicies & FX_RTFBREAKPOLICY_OrphanPositionedTab) { | |
m_bOrphanLine = GetLastPositionedTab() >= iLineEnd; | |
} else { | |
m_bOrphanLine = FALSE; | |
} | |
} | |
void CFX_RTFBreak::ClearPositionedTabs() { | |
m_PositionedTabs.RemoveAll(); | |
m_bOrphanLine = FALSE; | |
} | |
void CFX_RTFBreak::SetDefaultChar(FX_WCHAR wch) { | |
m_wDefChar = wch; | |
m_iDefChar = 0; | |
if (m_wDefChar != 0xFEFF && m_pFont != NULL) { | |
m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE); | |
if (m_iDefChar < 0) { | |
m_iDefChar = 0; | |
} else { | |
m_iDefChar *= m_iFontSize; | |
} | |
} | |
} | |
void CFX_RTFBreak::SetLineBreakChar(FX_WCHAR wch) { | |
if (wch != L'\r' && wch != L'\n') { | |
return; | |
} | |
m_wLineBreakChar = wch; | |
} | |
void CFX_RTFBreak::SetLineBreakTolerance(FX_FLOAT fTolerance) { | |
m_iTolerance = FXSYS_round(fTolerance * 20000.0f); | |
} | |
void CFX_RTFBreak::SetHorizontalScale(int32_t iScale) { | |
if (iScale < 0) { | |
iScale = 0; | |
} | |
if (m_iHorizontalScale == iScale) { | |
return; | |
} | |
SetBreakStatus(); | |
m_iHorizontalScale = iScale; | |
} | |
void CFX_RTFBreak::SetVerticalScale(int32_t iScale) { | |
if (iScale < 0) { | |
iScale = 0; | |
} | |
if (m_iVerticalScale == iScale) { | |
return; | |
} | |
SetBreakStatus(); | |
m_iVerticalScale = iScale; | |
} | |
void CFX_RTFBreak::SetCharRotation(int32_t iCharRotation) { | |
if (iCharRotation < 0) { | |
iCharRotation += (-iCharRotation / 4 + 1) * 4; | |
} else if (iCharRotation > 3) { | |
iCharRotation -= (iCharRotation / 4) * 4; | |
} | |
if (m_iCharRotation == iCharRotation) { | |
return; | |
} | |
SetBreakStatus(); | |
m_iCharRotation = iCharRotation; | |
m_iRotation = m_iLineRotation + m_iCharRotation; | |
m_iRotation %= 4; | |
} | |
void CFX_RTFBreak::SetCharSpace(FX_FLOAT fCharSpace) { | |
m_iCharSpace = FXSYS_round(fCharSpace * 20000.0f); | |
} | |
void CFX_RTFBreak::SetWordSpace(FX_BOOL bDefault, FX_FLOAT fWordSpace) { | |
m_bWordSpace = !bDefault; | |
m_iWordSpace = FXSYS_round(fWordSpace * 20000.0f); | |
} | |
void CFX_RTFBreak::SetReadingOrder(FX_BOOL bRTL) { | |
m_bRTL = bRTL; | |
} | |
void CFX_RTFBreak::SetAlignment(int32_t iAlignment) { | |
FXSYS_assert(iAlignment >= FX_RTFLINEALIGNMENT_Left && | |
iAlignment <= FX_RTFLINEALIGNMENT_Distributed); | |
m_iAlignment = iAlignment; | |
} | |
void CFX_RTFBreak::SetUserData(IFX_Unknown* pUserData) { | |
if (m_pUserData == pUserData) { | |
return; | |
} | |
SetBreakStatus(); | |
if (m_pUserData != NULL) { | |
m_pUserData->Release(); | |
} | |
m_pUserData = pUserData; | |
if (m_pUserData != NULL) { | |
m_pUserData->AddRef(); | |
} | |
} | |
static const int32_t gs_FX_RTFLineRotations[8] = {0, 3, 1, 0, 2, 1, 3, 2}; | |
int32_t CFX_RTFBreak::GetLineRotation(FX_DWORD dwStyles) const { | |
return gs_FX_RTFLineRotations[(dwStyles & 0x0E) >> 1]; | |
} | |
void CFX_RTFBreak::SetBreakStatus() { | |
m_dwIdentity++; | |
int32_t iCount = m_pCurLine->CountChars(); | |
if (iCount < 1) { | |
return; | |
} | |
CFX_RTFChar& tc = m_pCurLine->GetChar(iCount - 1); | |
if (tc.m_dwStatus == 0) { | |
tc.m_dwStatus = FX_RTFBREAK_PieceBreak; | |
} | |
} | |
CFX_RTFChar* CFX_RTFBreak::GetLastChar(int32_t index) const { | |
CFX_RTFCharArray& tca = m_pCurLine->m_LineChars; | |
int32_t iCount = tca.GetSize(); | |
if (index < 0 || index >= iCount) { | |
return NULL; | |
} | |
CFX_RTFChar* pTC; | |
int32_t iStart = iCount - 1; | |
while (iStart > -1) { | |
pTC = tca.GetDataPtr(iStart--); | |
if (pTC->m_iCharWidth >= 0 || | |
pTC->GetCharType() != FX_CHARTYPE_Combination) { | |
if (--index < 0) { | |
return pTC; | |
} | |
} | |
} | |
return NULL; | |
} | |
CFX_RTFLine* CFX_RTFBreak::GetRTFLine(FX_BOOL bReady) const { | |
if (bReady) { | |
if (m_iReady == 1) { | |
return (CFX_RTFLine*)&m_RTFLine1; | |
} else if (m_iReady == 2) { | |
return (CFX_RTFLine*)&m_RTFLine2; | |
} else { | |
return NULL; | |
} | |
} | |
FXSYS_assert(m_pCurLine != NULL); | |
return m_pCurLine; | |
} | |
CFX_RTFPieceArray* CFX_RTFBreak::GetRTFPieces(FX_BOOL bReady) const { | |
CFX_RTFLine* pRTFLine = GetRTFLine(bReady); | |
if (pRTFLine == NULL) { | |
return NULL; | |
} | |
return &pRTFLine->m_LinePieces; | |
} | |
inline FX_DWORD CFX_RTFBreak::GetUnifiedCharType(FX_DWORD dwType) const { | |
return dwType >= FX_CHARTYPE_ArabicAlef ? FX_CHARTYPE_Arabic : dwType; | |
} | |
int32_t CFX_RTFBreak::GetLastPositionedTab() const { | |
int32_t iCount = m_PositionedTabs.GetSize(); | |
if (iCount < 1) { | |
return m_iBoundaryStart; | |
} | |
return m_PositionedTabs[iCount - 1]; | |
} | |
FX_BOOL CFX_RTFBreak::GetPositionedTab(int32_t& iTabPos) const { | |
int32_t iCount = m_PositionedTabs.GetSize(); | |
for (int32_t i = 0; i < iCount; i++) { | |
if (m_PositionedTabs[i] > iTabPos) { | |
iTabPos = m_PositionedTabs[i]; | |
return TRUE; | |
} | |
} | |
return FALSE; | |
} | |
typedef FX_DWORD (CFX_RTFBreak::*FX_RTFBreak_LPFAppendChar)( | |
CFX_RTFChar* pCurChar, | |
int32_t iRotation); | |
static const FX_RTFBreak_LPFAppendChar g_FX_RTFBreak_lpfAppendChar[16] = { | |
&CFX_RTFBreak::AppendChar_Others, &CFX_RTFBreak::AppendChar_Tab, | |
&CFX_RTFBreak::AppendChar_Others, &CFX_RTFBreak::AppendChar_Control, | |
&CFX_RTFBreak::AppendChar_Combination, &CFX_RTFBreak::AppendChar_Others, | |
&CFX_RTFBreak::AppendChar_Others, &CFX_RTFBreak::AppendChar_Arabic, | |
&CFX_RTFBreak::AppendChar_Arabic, &CFX_RTFBreak::AppendChar_Arabic, | |
&CFX_RTFBreak::AppendChar_Arabic, &CFX_RTFBreak::AppendChar_Arabic, | |
&CFX_RTFBreak::AppendChar_Arabic, &CFX_RTFBreak::AppendChar_Others, | |
&CFX_RTFBreak::AppendChar_Others, &CFX_RTFBreak::AppendChar_Others, | |
}; | |
FX_DWORD CFX_RTFBreak::AppendChar(FX_WCHAR wch) { | |
FXSYS_assert(m_pFont != NULL && m_pCurLine != NULL && m_pArabicChar != NULL); | |
if (m_bCharCode) { | |
return AppendChar_CharCode(wch); | |
} | |
FX_DWORD dwProps = kTextLayoutCodeProperties[(FX_WORD)wch]; | |
FX_DWORD dwType = (dwProps & FX_CHARTYPEBITSMASK); | |
CFX_RTFCharArray& tca = m_pCurLine->m_LineChars; | |
CFX_RTFChar* pCurChar = tca.AddSpace(); | |
pCurChar->m_dwStatus = 0; | |
pCurChar->m_wCharCode = wch; | |
pCurChar->m_dwCharProps = dwProps; | |
pCurChar->m_dwCharStyles = 0; | |
pCurChar->m_dwLayoutStyles = 0; | |
pCurChar->m_iFontSize = m_iFontSize; | |
pCurChar->m_iFontHeight = m_iFontHeight; | |
pCurChar->m_iHorizontalScale = m_iHorizontalScale; | |
pCurChar->m_iVertialScale = m_iVerticalScale; | |
pCurChar->m_nRotation = m_iCharRotation; | |
pCurChar->m_iCharWidth = 0; | |
pCurChar->m_dwIdentity = m_dwIdentity; | |
if (m_pUserData != NULL) { | |
m_pUserData->AddRef(); | |
} | |
pCurChar->m_pUserData = m_pUserData; | |
FX_DWORD dwRet1 = FX_RTFBREAK_None; | |
if (dwType != FX_CHARTYPE_Combination && | |
GetUnifiedCharType(m_dwCharType) != GetUnifiedCharType(dwType)) { | |
if (!m_bSingleLine && !m_bOrphanLine && m_dwCharType > 0 && | |
m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) { | |
if (m_dwCharType != FX_CHARTYPE_Space || dwType != FX_CHARTYPE_Control) { | |
dwRet1 = EndBreak(FX_RTFBREAK_LineBreak); | |
int32_t iCount = m_pCurLine->CountChars(); | |
if (iCount > 0) { | |
pCurChar = m_pCurLine->m_LineChars.GetDataPtr(iCount - 1); | |
} | |
} | |
} | |
} | |
int32_t iRotation = m_iRotation; | |
if (m_bVertical && (dwProps & 0x8000) != 0) { | |
iRotation = (iRotation + 1) % 4; | |
} | |
FX_DWORD dwRet2 = | |
(this->*g_FX_RTFBreak_lpfAppendChar[dwType >> FX_CHARTYPEBITS])( | |
pCurChar, iRotation); | |
m_dwCharType = dwType; | |
return std::max(dwRet1, dwRet2); | |
} | |
FX_DWORD CFX_RTFBreak::AppendChar_CharCode(FX_WCHAR wch) { | |
FXSYS_assert(m_pFont != NULL && m_pCurLine != NULL); | |
FXSYS_assert(m_bCharCode); | |
m_pCurLine->m_iMBCSChars++; | |
CFX_RTFCharArray& tca = m_pCurLine->m_LineChars; | |
CFX_RTFChar* pCurChar = tca.AddSpace(); | |
pCurChar->m_dwStatus = 0; | |
pCurChar->m_wCharCode = wch; | |
pCurChar->m_dwCharProps = 0; | |
pCurChar->m_dwCharStyles = 0; | |
pCurChar->m_dwLayoutStyles = m_dwLayoutStyles; | |
pCurChar->m_iFontSize = m_iFontSize; | |
pCurChar->m_iFontHeight = m_iFontHeight; | |
pCurChar->m_iHorizontalScale = m_iHorizontalScale; | |
pCurChar->m_iVertialScale = m_iVerticalScale; | |
pCurChar->m_nRotation = m_iCharRotation; | |
pCurChar->m_iCharWidth = 0; | |
pCurChar->m_dwIdentity = m_dwIdentity; | |
if (m_pUserData != NULL) { | |
m_pUserData->AddRef(); | |
} | |
pCurChar->m_pUserData = m_pUserData; | |
int32_t iCharWidth = 0; | |
if (m_bVertical != FX_IsOdd(m_iRotation)) { | |
iCharWidth = 1000; | |
} else { | |
if (!m_pFont->GetCharWidth(wch, iCharWidth, TRUE)) { | |
iCharWidth = m_iDefChar; | |
} | |
} | |
iCharWidth *= m_iFontSize; | |
iCharWidth = iCharWidth * m_iHorizontalScale / 100; | |
iCharWidth += m_iCharSpace; | |
pCurChar->m_iCharWidth = iCharWidth; | |
m_pCurLine->m_iWidth += iCharWidth; | |
m_dwCharType = 0; | |
if (!m_bSingleLine && | |
m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) { | |
return EndBreak(FX_RTFBREAK_LineBreak); | |
} | |
return FX_RTFBREAK_None; | |
} | |
FX_DWORD CFX_RTFBreak::AppendChar_Combination(CFX_RTFChar* pCurChar, | |
int32_t iRotation) { | |
int32_t iCharWidth = 0; | |
if (m_bVertical != FX_IsOdd(iRotation)) { | |
iCharWidth = 1000; | |
} else { | |
if (!m_pFont->GetCharWidth(pCurChar->m_wCharCode, iCharWidth, | |
m_bCharCode)) { | |
iCharWidth = 0; | |
} | |
} | |
iCharWidth *= m_iFontSize; | |
iCharWidth = iCharWidth * m_iHorizontalScale / 100; | |
CFX_RTFChar* pLastChar = GetLastChar(0); | |
if (pLastChar != NULL && pLastChar->GetCharType() > FX_CHARTYPE_Combination) { | |
iCharWidth = -iCharWidth; | |
} else { | |
m_dwCharType = FX_CHARTYPE_Combination; | |
} | |
pCurChar->m_iCharWidth = iCharWidth; | |
if (iCharWidth > 0) { | |
m_pCurLine->m_iWidth += iCharWidth; | |
} | |
return FX_RTFBREAK_None; | |
} | |
FX_DWORD CFX_RTFBreak::AppendChar_Tab(CFX_RTFChar* pCurChar, | |
int32_t iRotation) { | |
if (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_ExpandTab) { | |
FX_BOOL bBreak = FALSE; | |
if ((m_dwPolicies & FX_RTFBREAKPOLICY_TabBreak) != 0) { | |
bBreak = (m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance); | |
} | |
int32_t& iLineWidth = m_pCurLine->m_iWidth; | |
int32_t iCharWidth = iLineWidth; | |
if (GetPositionedTab(iCharWidth)) { | |
iCharWidth -= iLineWidth; | |
} else { | |
iCharWidth = m_iTabWidth * (iLineWidth / m_iTabWidth + 1) - iLineWidth; | |
} | |
pCurChar->m_iCharWidth = iCharWidth; | |
iLineWidth += iCharWidth; | |
if (!m_bSingleLine && !m_bOrphanLine && bBreak) { | |
return EndBreak(FX_RTFBREAK_LineBreak); | |
} | |
} | |
return FX_RTFBREAK_None; | |
} | |
FX_DWORD CFX_RTFBreak::AppendChar_Control(CFX_RTFChar* pCurChar, | |
int32_t iRotation) { | |
FX_DWORD dwRet2 = FX_RTFBREAK_None; | |
if (!m_bSingleLine) { | |
switch (pCurChar->m_wCharCode) { | |
case L'\v': | |
case 0x2028: | |
dwRet2 = FX_RTFBREAK_LineBreak; | |
break; | |
case L'\f': | |
dwRet2 = FX_RTFBREAK_PageBreak; | |
break; | |
case 0x2029: | |
dwRet2 = FX_RTFBREAK_ParagraphBreak; | |
break; | |
default: | |
if (pCurChar->m_wCharCode == m_wLineBreakChar) { | |
dwRet2 = FX_RTFBREAK_ParagraphBreak; | |
} | |
break; | |
} | |
if (dwRet2 != FX_RTFBREAK_None) { | |
dwRet2 = EndBreak(dwRet2); | |
} | |
} | |
return dwRet2; | |
} | |
FX_DWORD CFX_RTFBreak::AppendChar_Arabic(CFX_RTFChar* pCurChar, | |
int32_t iRotation) { | |
CFX_RTFChar* pLastChar = NULL; | |
int32_t& iLineWidth = m_pCurLine->m_iWidth; | |
int32_t iCharWidth = 0; | |
FX_WCHAR wForm; | |
FX_BOOL bAlef = FALSE; | |
if (m_dwCharType >= FX_CHARTYPE_ArabicAlef && | |
m_dwCharType <= FX_CHARTYPE_ArabicDistortion) { | |
pLastChar = GetLastChar(1); | |
if (pLastChar != NULL) { | |
iLineWidth -= pLastChar->m_iCharWidth; | |
CFX_RTFChar* pPrevChar = GetLastChar(2); | |
wForm = m_pArabicChar->GetFormChar(pLastChar, pPrevChar, pCurChar); | |
bAlef = (wForm == 0xFEFF && | |
pLastChar->GetCharType() == FX_CHARTYPE_ArabicAlef); | |
int32_t iLastRotation = pLastChar->m_nRotation + m_iLineRotation; | |
if (m_bVertical && (pLastChar->m_dwCharProps & 0x8000) != 0) { | |
iLastRotation++; | |
} | |
if (m_bVertical != FX_IsOdd(iLastRotation)) { | |
iCharWidth = 1000; | |
} else { | |
if (!m_pFont->GetCharWidth(wForm, iCharWidth, m_bCharCode)) | |
if (!m_pFont->GetCharWidth(pLastChar->m_wCharCode, iCharWidth, | |
m_bCharCode)) { | |
iCharWidth = m_iDefChar; | |
} | |
} | |
iCharWidth *= m_iFontSize; | |
iCharWidth = iCharWidth * m_iHorizontalScale / 100; | |
pLastChar->m_iCharWidth = iCharWidth; | |
iLineWidth += iCharWidth; | |
iCharWidth = 0; | |
} | |
} | |
wForm = | |
m_pArabicChar->GetFormChar(pCurChar, (bAlef ? NULL : pLastChar), NULL); | |
if (m_bVertical != FX_IsOdd(iRotation)) { | |
iCharWidth = 1000; | |
} else { | |
if (!m_pFont->GetCharWidth(wForm, iCharWidth, m_bCharCode)) | |
if (!m_pFont->GetCharWidth(pCurChar->m_wCharCode, iCharWidth, | |
m_bCharCode)) { | |
iCharWidth = m_iDefChar; | |
} | |
} | |
iCharWidth *= m_iFontSize; | |
iCharWidth = iCharWidth * m_iHorizontalScale / 100; | |
pCurChar->m_iCharWidth = iCharWidth; | |
iLineWidth += iCharWidth; | |
m_pCurLine->m_iArabicChars++; | |
if (!m_bSingleLine && !m_bOrphanLine && | |
m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) { | |
return EndBreak(FX_RTFBREAK_LineBreak); | |
} | |
return FX_RTFBREAK_None; | |
} | |
FX_DWORD CFX_RTFBreak::AppendChar_Others(CFX_RTFChar* pCurChar, | |
int32_t iRotation) { | |
FX_DWORD dwType = (pCurChar->m_dwCharProps & FX_CHARTYPEBITSMASK); | |
FX_WCHAR wForm; | |
if (dwType == FX_CHARTYPE_Numeric) { | |
if (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_ArabicNumber) { | |
wForm = pCurChar->m_wCharCode + 0x0630; | |
} else { | |
wForm = pCurChar->m_wCharCode; | |
} | |
} else if (m_bRTL || m_bVertical) { | |
wForm = FX_GetMirrorChar(pCurChar->m_wCharCode, pCurChar->m_dwCharProps, | |
m_bRTL, m_bVertical); | |
} else { | |
wForm = pCurChar->m_wCharCode; | |
} | |
int32_t iCharWidth = 0; | |
if (m_bVertical != FX_IsOdd(iRotation)) { | |
iCharWidth = 1000; | |
} else { | |
if (!m_pFont->GetCharWidth(wForm, iCharWidth, m_bCharCode)) { | |
iCharWidth = m_iDefChar; | |
} | |
} | |
iCharWidth *= m_iFontSize; | |
iCharWidth = iCharWidth * m_iHorizontalScale / 100; | |
iCharWidth += m_iCharSpace; | |
if (dwType == FX_CHARTYPE_Space && m_bWordSpace) { | |
iCharWidth += m_iWordSpace; | |
} | |
pCurChar->m_iCharWidth = iCharWidth; | |
m_pCurLine->m_iWidth += iCharWidth; | |
FX_BOOL bBreak = (dwType != FX_CHARTYPE_Space || | |
(m_dwPolicies & FX_RTFBREAKPOLICY_SpaceBreak) != 0); | |
if (!m_bSingleLine && !m_bOrphanLine && bBreak && | |
m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) { | |
return EndBreak(FX_RTFBREAK_LineBreak); | |
} | |
return FX_RTFBREAK_None; | |
} | |
FX_DWORD CFX_RTFBreak::EndBreak(FX_DWORD dwStatus) { | |
FXSYS_assert(dwStatus >= FX_RTFBREAK_PieceBreak && | |
dwStatus <= FX_RTFBREAK_PageBreak); | |
m_dwIdentity++; | |
CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces; | |
int32_t iCount = pCurPieces->GetSize(); | |
if (iCount > 0) { | |
CFX_RTFPiece* pLastPiece = pCurPieces->GetPtrAt(--iCount); | |
if (dwStatus > FX_RTFBREAK_PieceBreak) { | |
pLastPiece->m_dwStatus = dwStatus; | |
} else { | |
dwStatus = pLastPiece->m_dwStatus; | |
} | |
return dwStatus; | |
} else { | |
CFX_RTFLine* pLastLine = GetRTFLine(TRUE); | |
if (pLastLine != NULL) { | |
pCurPieces = &pLastLine->m_LinePieces; | |
iCount = pCurPieces->GetSize(); | |
if (iCount-- > 0) { | |
CFX_RTFPiece* pLastPiece = pCurPieces->GetPtrAt(iCount); | |
if (dwStatus > FX_RTFBREAK_PieceBreak) { | |
pLastPiece->m_dwStatus = dwStatus; | |
} else { | |
dwStatus = pLastPiece->m_dwStatus; | |
} | |
return dwStatus; | |
} | |
return FX_RTFBREAK_None; | |
} | |
iCount = m_pCurLine->CountChars(); | |
if (iCount < 1) { | |
return FX_RTFBREAK_None; | |
} | |
CFX_RTFChar& tc = m_pCurLine->GetChar(iCount - 1); | |
tc.m_dwStatus = dwStatus; | |
if (dwStatus <= FX_RTFBREAK_PieceBreak) { | |
return dwStatus; | |
} | |
} | |
m_iReady = (m_pCurLine == &m_RTFLine1) ? 1 : 2; | |
CFX_RTFLine* pNextLine = | |
(m_pCurLine == &m_RTFLine1) ? &m_RTFLine2 : &m_RTFLine1; | |
FX_BOOL bAllChars = (m_iAlignment > FX_RTFLINEALIGNMENT_Right); | |
CFX_TPOArray tpos; | |
if (EndBreak_SplitLine(pNextLine, bAllChars, dwStatus)) { | |
goto EndBreak_Ret; | |
} | |
if (!m_bCharCode) { | |
EndBreak_BidiLine(tpos, dwStatus); | |
} | |
if (!m_bPagination && m_iAlignment > FX_RTFLINEALIGNMENT_Left) { | |
EndBreak_Alignment(tpos, bAllChars, dwStatus); | |
} | |
EndBreak_Ret: | |
m_pCurLine = pNextLine; | |
m_pCurLine->m_iStart = m_iBoundaryStart; | |
CFX_RTFChar* pTC = GetLastChar(0); | |
m_dwCharType = pTC == NULL ? 0 : pTC->GetCharType(); | |
return dwStatus; | |
} | |
FX_BOOL CFX_RTFBreak::EndBreak_SplitLine(CFX_RTFLine* pNextLine, | |
FX_BOOL bAllChars, | |
FX_DWORD dwStatus) { | |
FX_BOOL bDone = FALSE; | |
if (!m_bSingleLine && !m_bOrphanLine && | |
m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) { | |
CFX_RTFChar& tc = m_pCurLine->GetChar(m_pCurLine->CountChars() - 1); | |
switch (tc.GetCharType()) { | |
case FX_CHARTYPE_Tab: | |
if ((m_dwPolicies & FX_RTFBREAKPOLICY_TabBreak) != 0) { | |
SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars); | |
bDone = TRUE; | |
} | |
break; | |
case FX_CHARTYPE_Control: | |
break; | |
case FX_CHARTYPE_Space: | |
if ((m_dwPolicies & FX_RTFBREAKPOLICY_SpaceBreak) != 0) { | |
SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars); | |
bDone = TRUE; | |
} | |
break; | |
default: | |
SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars); | |
bDone = TRUE; | |
break; | |
} | |
} | |
if (m_bPagination || m_pCurLine->m_iMBCSChars > 0) { | |
const CFX_RTFChar* pCurChars = m_pCurLine->m_LineChars.GetData(); | |
const CFX_RTFChar* pTC; | |
CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces; | |
CFX_RTFPiece tp; | |
tp.m_pChars = &m_pCurLine->m_LineChars; | |
FX_BOOL bNew = TRUE; | |
FX_DWORD dwIdentity = (FX_DWORD)-1; | |
int32_t iLast = m_pCurLine->CountChars() - 1, j = 0; | |
for (int32_t i = 0; i <= iLast;) { | |
pTC = pCurChars + i; | |
if (bNew) { | |
tp.m_iStartChar = i; | |
tp.m_iStartPos += tp.m_iWidth; | |
tp.m_iWidth = 0; | |
tp.m_dwStatus = pTC->m_dwStatus; | |
tp.m_iFontSize = pTC->m_iFontSize; | |
tp.m_iFontHeight = pTC->m_iFontHeight; | |
tp.m_iHorizontalScale = pTC->m_iHorizontalScale; | |
tp.m_iVerticalScale = pTC->m_iVertialScale; | |
tp.m_dwLayoutStyles = pTC->m_dwLayoutStyles; | |
dwIdentity = pTC->m_dwIdentity; | |
tp.m_dwIdentity = dwIdentity; | |
tp.m_pUserData = pTC->m_pUserData; | |
j = i; | |
bNew = FALSE; | |
} | |
if (i == iLast || pTC->m_dwStatus != FX_RTFBREAK_None || | |
pTC->m_dwIdentity != dwIdentity) { | |
tp.m_iChars = i - j; | |
if (pTC->m_dwIdentity == dwIdentity) { | |
tp.m_dwStatus = pTC->m_dwStatus; | |
tp.m_iWidth += pTC->m_iCharWidth; | |
tp.m_iChars += 1; | |
i++; | |
} | |
pCurPieces->Add(tp); | |
bNew = TRUE; | |
} else { | |
tp.m_iWidth += pTC->m_iCharWidth; | |
i++; | |
} | |
} | |
return TRUE; | |
} | |
if (bAllChars && !bDone) { | |
int32_t iEndPos = m_pCurLine->GetLineEnd(); | |
GetBreakPos(m_pCurLine->m_LineChars, iEndPos, bAllChars, TRUE); | |
} | |
return FALSE; | |
} | |
void CFX_RTFBreak::EndBreak_BidiLine(CFX_TPOArray& tpos, FX_DWORD dwStatus) { | |
FX_TPO tpo; | |
CFX_RTFPiece tp; | |
CFX_RTFChar* pTC; | |
int32_t i, j; | |
CFX_RTFCharArray& chars = m_pCurLine->m_LineChars; | |
int32_t iCount = m_pCurLine->CountChars(); | |
FX_BOOL bDone = (!m_bPagination && !m_bCharCode && | |
(m_pCurLine->m_iArabicChars > 0 || m_bRTL)); | |
if (bDone) { | |
int32_t iBidiNum = 0; | |
for (i = 0; i < iCount; i++) { | |
pTC = chars.GetDataPtr(i); | |
pTC->m_iBidiPos = i; | |
if (pTC->GetCharType() != FX_CHARTYPE_Control) { | |
iBidiNum = i; | |
} | |
if (i == 0) { | |
pTC->m_iBidiLevel = 1; | |
} | |
} | |
FX_BidiLine(chars, iBidiNum + 1, m_bRTL ? 1 : 0); | |
} else { | |
for (i = 0; i < iCount; i++) { | |
pTC = chars.GetDataPtr(i); | |
pTC->m_iBidiLevel = 0; | |
pTC->m_iBidiPos = 0; | |
pTC->m_iBidiOrder = 0; | |
} | |
} | |
tp.m_dwStatus = FX_RTFBREAK_PieceBreak; | |
tp.m_iStartPos = m_pCurLine->m_iStart; | |
tp.m_pChars = &chars; | |
CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces; | |
int32_t iBidiLevel = -1, iCharWidth; | |
FX_DWORD dwIdentity = (FX_DWORD)-1; | |
i = j = 0; | |
while (i < iCount) { | |
pTC = chars.GetDataPtr(i); | |
if (iBidiLevel < 0) { | |
iBidiLevel = pTC->m_iBidiLevel; | |
iCharWidth = pTC->m_iCharWidth; | |
if (iCharWidth < 1) { | |
tp.m_iWidth = 0; | |
} else { | |
tp.m_iWidth = iCharWidth; | |
} | |
tp.m_iBidiLevel = iBidiLevel; | |
tp.m_iBidiPos = pTC->m_iBidiOrder; | |
tp.m_iFontSize = pTC->m_iFontSize; | |
tp.m_iFontHeight = pTC->m_iFontHeight; | |
tp.m_iHorizontalScale = pTC->m_iHorizontalScale; | |
tp.m_iVerticalScale = pTC->m_iVertialScale; | |
dwIdentity = pTC->m_dwIdentity; | |
tp.m_dwIdentity = dwIdentity; | |
tp.m_pUserData = pTC->m_pUserData; | |
tp.m_dwStatus = FX_RTFBREAK_PieceBreak; | |
i++; | |
} else if (iBidiLevel != pTC->m_iBidiLevel || | |
pTC->m_dwIdentity != dwIdentity) { | |
tp.m_iChars = i - tp.m_iStartChar; | |
pCurPieces->Add(tp); | |
tp.m_iStartPos += tp.m_iWidth; | |
tp.m_iStartChar = i; | |
tpo.index = j++; | |
tpo.pos = tp.m_iBidiPos; | |
tpos.Add(tpo); | |
iBidiLevel = -1; | |
} else { | |
iCharWidth = pTC->m_iCharWidth; | |
if (iCharWidth > 0) { | |
tp.m_iWidth += iCharWidth; | |
} | |
i++; | |
} | |
} | |
if (i > tp.m_iStartChar) { | |
tp.m_dwStatus = dwStatus; | |
tp.m_iChars = i - tp.m_iStartChar; | |
pCurPieces->Add(tp); | |
tpo.index = j; | |
tpo.pos = tp.m_iBidiPos; | |
tpos.Add(tpo); | |
} | |
if (!m_bCharCode) { | |
j = tpos.GetSize() - 1; | |
FX_TEXTLAYOUT_PieceSort(tpos, 0, j); | |
int32_t iStartPos = m_pCurLine->m_iStart; | |
for (i = 0; i <= j; i++) { | |
tpo = tpos.GetAt(i); | |
CFX_RTFPiece& ttp = pCurPieces->GetAt(tpo.index); | |
ttp.m_iStartPos = iStartPos; | |
iStartPos += ttp.m_iWidth; | |
} | |
} | |
} | |
void CFX_RTFBreak::EndBreak_Alignment(CFX_TPOArray& tpos, | |
FX_BOOL bAllChars, | |
FX_DWORD dwStatus) { | |
CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces; | |
int32_t iNetWidth = m_pCurLine->m_iWidth, iGapChars = 0, iCharWidth; | |
int32_t iCount = pCurPieces->GetSize(); | |
FX_BOOL bFind = FALSE; | |
FX_DWORD dwCharType; | |
int32_t i, j; | |
FX_TPO tpo; | |
for (i = iCount - 1; i > -1; i--) { | |
tpo = tpos.GetAt(i); | |
CFX_RTFPiece& ttp = pCurPieces->GetAt(tpo.index); | |
if (!bFind) { | |
iNetWidth = ttp.GetEndPos(); | |
} | |
FX_BOOL bArabic = FX_IsOdd(ttp.m_iBidiLevel); | |
j = bArabic ? 0 : ttp.m_iChars - 1; | |
while (j > -1 && j < ttp.m_iChars) { | |
const CFX_RTFChar& tc = ttp.GetChar(j); | |
if (tc.m_nBreakType == FX_LBT_DIRECT_BRK) { | |
iGapChars++; | |
} | |
if (!bFind || !bAllChars) { | |
dwCharType = tc.GetCharType(); | |
if (dwCharType == FX_CHARTYPE_Space || | |
dwCharType == FX_CHARTYPE_Control) { | |
if (!bFind) { | |
iCharWidth = tc.m_iCharWidth; | |
if (bAllChars && iCharWidth > 0) { | |
iNetWidth -= iCharWidth; | |
} | |
} | |
} else { | |
bFind = TRUE; | |
if (!bAllChars) { | |
break; | |
} | |
} | |
} | |
j += bArabic ? 1 : -1; | |
} | |
if (!bAllChars && bFind) { | |
break; | |
} | |
} | |
int32_t iOffset = m_iBoundaryEnd - iNetWidth; | |
int32_t iLowerAlignment = (m_iAlignment & FX_RTFLINEALIGNMENT_LowerMask); | |
int32_t iHigherAlignment = (m_iAlignment & FX_RTFLINEALIGNMENT_HigherMask); | |
if (iGapChars > 0 && (iHigherAlignment == FX_RTFLINEALIGNMENT_Distributed || | |
(iHigherAlignment == FX_RTFLINEALIGNMENT_Justified && | |
dwStatus != FX_RTFBREAK_ParagraphBreak))) { | |
int32_t iStart = -1; | |
for (i = 0; i < iCount; i++) { | |
tpo = tpos.GetAt(i); | |
CFX_RTFPiece& ttp = pCurPieces->GetAt(tpo.index); | |
if (iStart < 0) { | |
iStart = ttp.m_iStartPos; | |
} else { | |
ttp.m_iStartPos = iStart; | |
} | |
int32_t k; | |
for (j = 0; j < ttp.m_iChars; j++) { | |
CFX_RTFChar& tc = ttp.GetChar(j); | |
if (tc.m_nBreakType != FX_LBT_DIRECT_BRK || tc.m_iCharWidth < 0) { | |
continue; | |
} | |
k = iOffset / iGapChars; | |
tc.m_iCharWidth += k; | |
ttp.m_iWidth += k; | |
iOffset -= k; | |
iGapChars--; | |
if (iGapChars < 1) { | |
break; | |
} | |
} | |
iStart += ttp.m_iWidth; | |
} | |
} else if (iLowerAlignment > FX_RTFLINEALIGNMENT_Left) { | |
if (iLowerAlignment == FX_RTFLINEALIGNMENT_Center) { | |
iOffset /= 2; | |
} | |
if (iOffset > 0) { | |
for (i = 0; i < iCount; i++) { | |
CFX_RTFPiece& ttp = pCurPieces->GetAt(i); | |
ttp.m_iStartPos += iOffset; | |
} | |
} | |
} | |
} | |
int32_t CFX_RTFBreak::GetBreakPos(CFX_RTFCharArray& tca, | |
int32_t& iEndPos, | |
FX_BOOL bAllChars, | |
FX_BOOL bOnlyBrk) { | |
int32_t iLength = tca.GetSize() - 1; | |
if (iLength < 1) { | |
return iLength; | |
} | |
int32_t iBreak = -1, iBreakPos = -1, iIndirect = -1, iIndirectPos = -1, | |
iLast = -1, iLastPos = -1; | |
if (m_bSingleLine || m_bOrphanLine || iEndPos <= m_iBoundaryEnd) { | |
if (!bAllChars || m_bCharCode) { | |
return iLength; | |
} | |
iBreak = iLength; | |
iBreakPos = iEndPos; | |
} | |
CFX_RTFChar* pCharArray = tca.GetData(); | |
if (m_bCharCode) { | |
const CFX_RTFChar* pChar; | |
int32_t iCharWidth; | |
while (iLength > 0) { | |
if (iEndPos <= m_iBoundaryEnd) { | |
break; | |
} | |
pChar = pCharArray + iLength--; | |
iCharWidth = pChar->m_iCharWidth; | |
if (iCharWidth > 0) { | |
iEndPos -= iCharWidth; | |
} | |
} | |
return iLength; | |
} | |
FX_BOOL bSpaceBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_SpaceBreak) != 0; | |
FX_BOOL bTabBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_TabBreak) != 0; | |
FX_BOOL bNumberBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_NumberBreak) != 0; | |
FX_BOOL bInfixBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_InfixBreak) != 0; | |
FX_LINEBREAKTYPE eType; | |
FX_DWORD nCodeProp, nCur, nNext; | |
CFX_RTFChar* pCur = pCharArray + iLength--; | |
if (bAllChars) { | |
pCur->m_nBreakType = FX_LBT_UNKNOWN; | |
} | |
nCodeProp = pCur->m_dwCharProps; | |
nNext = nCodeProp & 0x003F; | |
int32_t iCharWidth = pCur->m_iCharWidth; | |
if (iCharWidth > 0) { | |
iEndPos -= iCharWidth; | |
} | |
while (iLength >= 0) { | |
pCur = pCharArray + iLength; | |
nCodeProp = pCur->m_dwCharProps; | |
nCur = nCodeProp & 0x003F; | |
FX_BOOL bNeedBreak = FALSE; | |
if (nCur == FX_CBP_SP) { | |
bNeedBreak = !bSpaceBreak; | |
if (nNext == FX_CBP_SP) { | |
eType = bSpaceBreak ? FX_LBT_DIRECT_BRK : FX_LBT_PROHIBITED_BRK; | |
} else { | |
eType = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable + | |
(nCur << 5) + nNext); | |
} | |
} else if (nCur == FX_CBP_TB) { | |
bNeedBreak = !bTabBreak; | |
if (nNext == FX_CBP_TB) { | |
eType = bTabBreak ? FX_LBT_DIRECT_BRK : FX_LBT_PROHIBITED_BRK; | |
} else { | |
eType = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable + | |
(nCur << 5) + nNext); | |
} | |
} else if (bNumberBreak && nCur == FX_CBP_NU && nNext == FX_CBP_NU) { | |
eType = FX_LBT_DIRECT_BRK; | |
} else if (bInfixBreak && nCur == FX_CBP_IS && nNext == FX_CBP_IS) { | |
eType = FX_LBT_DIRECT_BRK; | |
} else { | |
if (nNext == FX_CBP_SP) { | |
eType = FX_LBT_PROHIBITED_BRK; | |
} else { | |
eType = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable + | |
(nCur << 5) + nNext); | |
} | |
} | |
if (bAllChars) { | |
pCur->m_nBreakType = eType; | |
} | |
if (!bOnlyBrk) { | |
iCharWidth = pCur->m_iCharWidth; | |
FX_BOOL bBreak = FALSE; | |
if (nCur == FX_CBP_TB && bTabBreak) { | |
bBreak = iCharWidth > 0 && iEndPos - iCharWidth <= m_iBoundaryEnd; | |
} else { | |
bBreak = iEndPos <= m_iBoundaryEnd; | |
} | |
if (m_bSingleLine || m_bOrphanLine || bBreak || bNeedBreak) { | |
if (eType == FX_LBT_DIRECT_BRK && iBreak < 0) { | |
iBreak = iLength; | |
iBreakPos = iEndPos; | |
if (!bAllChars) { | |
return iLength; | |
} | |
} else if (eType == FX_LBT_INDIRECT_BRK && iIndirect < 0) { | |
iIndirect = iLength; | |
iIndirectPos = iEndPos; | |
} | |
if (iLast < 0) { | |
iLast = iLength; | |
iLastPos = iEndPos; | |
} | |
} | |
if (iCharWidth > 0) { | |
iEndPos -= iCharWidth; | |
} | |
} | |
nNext = nCodeProp & 0x003F; | |
iLength--; | |
} | |
if (bOnlyBrk) { | |
return 0; | |
} | |
if (iBreak > -1) { | |
iEndPos = iBreakPos; | |
return iBreak; | |
} | |
if (iIndirect > -1) { | |
iEndPos = iIndirectPos; | |
return iIndirect; | |
} | |
if (iLast > -1) { | |
iEndPos = iLastPos; | |
return iLast; | |
} | |
return 0; | |
} | |
void CFX_RTFBreak::SplitTextLine(CFX_RTFLine* pCurLine, | |
CFX_RTFLine* pNextLine, | |
FX_BOOL bAllChars) { | |
FXSYS_assert(pCurLine != NULL && pNextLine != NULL); | |
int32_t iCount = pCurLine->CountChars(); | |
if (iCount < 2) { | |
return; | |
} | |
int32_t iEndPos = pCurLine->GetLineEnd(); | |
CFX_RTFCharArray& curChars = pCurLine->m_LineChars; | |
int32_t iCharPos = GetBreakPos(curChars, iEndPos, bAllChars, FALSE); | |
if (iCharPos < 0) { | |
iCharPos = 0; | |
} | |
iCharPos++; | |
if (iCharPos >= iCount) { | |
pNextLine->RemoveAll(TRUE); | |
CFX_Char* pTC = curChars.GetDataPtr(iCharPos - 1); | |
pTC->m_nBreakType = FX_LBT_UNKNOWN; | |
return; | |
} | |
CFX_RTFCharArray& nextChars = pNextLine->m_LineChars; | |
int cur_size = curChars.GetSize(); | |
nextChars.SetSize(cur_size - iCharPos); | |
FXSYS_memcpy(nextChars.GetData(), curChars.GetDataPtr(iCharPos), | |
(cur_size - iCharPos) * sizeof(CFX_RTFChar)); | |
iCount -= iCharPos; | |
cur_size = curChars.GetSize(); | |
curChars.RemoveAt(cur_size - iCount, iCount); | |
pNextLine->m_iStart = pCurLine->m_iStart; | |
pNextLine->m_iWidth = pCurLine->GetLineEnd() - iEndPos; | |
pCurLine->m_iWidth = iEndPos; | |
CFX_RTFChar* tc = curChars.GetDataPtr(iCharPos - 1); | |
tc->m_nBreakType = FX_LBT_UNKNOWN; | |
iCount = nextChars.GetSize(); | |
CFX_RTFChar* pNextChars = nextChars.GetData(); | |
for (int32_t i = 0; i < iCount; i++) { | |
CFX_RTFChar* tc = pNextChars + i; | |
if (tc->GetCharType() >= FX_CHARTYPE_ArabicAlef) { | |
pCurLine->m_iArabicChars--; | |
pNextLine->m_iArabicChars++; | |
} | |
if (tc->m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_MBCSCode) { | |
pCurLine->m_iMBCSChars--; | |
pNextLine->m_iMBCSChars++; | |
} | |
tc->m_dwStatus = 0; | |
} | |
} | |
int32_t CFX_RTFBreak::CountBreakPieces() const { | |
CFX_RTFPieceArray* pRTFPieces = GetRTFPieces(TRUE); | |
if (pRTFPieces == NULL) { | |
return 0; | |
} | |
return pRTFPieces->GetSize(); | |
} | |
const CFX_RTFPiece* CFX_RTFBreak::GetBreakPiece(int32_t index) const { | |
CFX_RTFPieceArray* pRTFPieces = GetRTFPieces(TRUE); | |
if (pRTFPieces == NULL) { | |
return NULL; | |
} | |
if (index < 0 || index >= pRTFPieces->GetSize()) { | |
return NULL; | |
} | |
return pRTFPieces->GetPtrAt(index); | |
} | |
void CFX_RTFBreak::GetLineRect(CFX_RectF& rect) const { | |
rect.top = 0; | |
CFX_RTFLine* pRTFLine = GetRTFLine(TRUE); | |
if (pRTFLine == NULL) { | |
rect.left = ((FX_FLOAT)m_iBoundaryStart) / 20000.0f; | |
rect.width = rect.height = 0; | |
return; | |
} | |
rect.left = ((FX_FLOAT)pRTFLine->m_iStart) / 20000.0f; | |
rect.width = ((FX_FLOAT)pRTFLine->m_iWidth) / 20000.0f; | |
CFX_RTFPieceArray& rtfPieces = pRTFLine->m_LinePieces; | |
int32_t iCount = rtfPieces.GetSize(); | |
if (iCount < 1) { | |
rect.width = 0; | |
return; | |
} | |
CFX_RTFPiece* pBreakPiece; | |
int32_t iLineHeight = 0, iMax; | |
for (int32_t i = 0; i < iCount; i++) { | |
pBreakPiece = rtfPieces.GetPtrAt(i); | |
int32_t iFontHeight = FXSYS_round(pBreakPiece->m_iFontHeight * | |
pBreakPiece->m_iVerticalScale / 100.0f); | |
iMax = std::max(pBreakPiece->m_iFontSize, iFontHeight); | |
if (i == 0) { | |
iLineHeight = iMax; | |
} else if (iLineHeight < iMax) { | |
iLineHeight = iMax; | |
} | |
} | |
rect.height = ((FX_FLOAT)iLineHeight) / 20.0f; | |
} | |
void CFX_RTFBreak::ClearBreakPieces() { | |
CFX_RTFLine* pRTFLine = GetRTFLine(TRUE); | |
if (pRTFLine != NULL) { | |
pRTFLine->RemoveAll(TRUE); | |
} | |
m_iReady = 0; | |
} | |
void CFX_RTFBreak::Reset() { | |
m_dwCharType = 0; | |
m_RTFLine1.RemoveAll(TRUE); | |
m_RTFLine2.RemoveAll(TRUE); | |
} | |
int32_t CFX_RTFBreak::GetDisplayPos(FX_LPCRTFTEXTOBJ pText, | |
FXTEXT_CHARPOS* pCharPos, | |
FX_BOOL bCharCode, | |
CFX_WideString* pWSForms, | |
FX_AdjustCharDisplayPos pAdjustPos) const { | |
if (pText == NULL || pText->iLength < 1) { | |
return 0; | |
} | |
FXSYS_assert(pText->pStr != NULL && pText->pWidths != NULL && | |
pText->pFont != NULL && pText->pRect != NULL); | |
const FX_WCHAR* pStr = pText->pStr; | |
int32_t* pWidths = pText->pWidths; | |
int32_t iLength = pText->iLength - 1; | |
IFX_Font* pFont = pText->pFont; | |
FX_DWORD dwStyles = pText->dwLayoutStyles; | |
CFX_RectF rtText(*pText->pRect); | |
FX_BOOL bRTLPiece = FX_IsOdd(pText->iBidiLevel); | |
FX_FLOAT fFontSize = pText->fFontSize; | |
int32_t iFontSize = FXSYS_round(fFontSize * 20.0f); | |
int32_t iAscent = pFont->GetAscent(); | |
int32_t iDescent = pFont->GetDescent(); | |
int32_t iMaxHeight = iAscent - iDescent; | |
FX_FLOAT fFontHeight = fFontSize; | |
FX_FLOAT fAscent = fFontHeight * (FX_FLOAT)iAscent / (FX_FLOAT)iMaxHeight; | |
FX_FLOAT fDescent = fFontHeight * (FX_FLOAT)iDescent / (FX_FLOAT)iMaxHeight; | |
FX_BOOL bVerticalDoc = (dwStyles & FX_RTFLAYOUTSTYLE_VerticalLayout) != 0; | |
FX_BOOL bVerticalChar = (dwStyles & FX_RTFLAYOUTSTYLE_VerticalChars) != 0; | |
FX_BOOL bArabicNumber = (dwStyles & FX_RTFLAYOUTSTYLE_ArabicNumber) != 0; | |
FX_BOOL bMBCSCode = (dwStyles & FX_RTFLAYOUTSTYLE_MBCSCode) != 0; | |
int32_t iRotation = GetLineRotation(dwStyles) + pText->iCharRotation; | |
int32_t iCharRotation; | |
FX_WCHAR wch, wPrev = 0xFEFF, wNext, wForm; | |
int32_t iWidth, iCharWidth, iCharHeight; | |
FX_FLOAT fX, fY, fCharWidth, fCharHeight; | |
int32_t iHorScale = pText->iHorizontalScale; | |
int32_t iVerScale = pText->iVerticalScale; | |
FX_BOOL bEmptyChar; | |
FX_DWORD dwProps, dwCharType; | |
fX = rtText.left; | |
fY = rtText.top; | |
if (bVerticalDoc) { | |
fX += (rtText.width - fFontSize) / 2.0f; | |
if (bRTLPiece) { | |
fY = rtText.bottom(); | |
} | |
} else { | |
if (bRTLPiece) { | |
fX = rtText.right(); | |
} | |
fY += fAscent; | |
} | |
int32_t iCount = 0; | |
for (int32_t i = 0; i <= iLength; i++) { | |
wch = *pStr++; | |
iWidth = *pWidths++; | |
if (!bMBCSCode) { | |
dwProps = FX_GetUnicodeProperties(wch); | |
dwCharType = (dwProps & FX_CHARTYPEBITSMASK); | |
if (dwCharType == FX_CHARTYPE_ArabicAlef && iWidth == 0) { | |
wPrev = 0xFEFF; | |
continue; | |
} | |
} else { | |
dwProps = 0; | |
dwCharType = 0; | |
} | |
if (iWidth != 0) { | |
iCharWidth = iWidth; | |
if (iCharWidth < 0) { | |
iCharWidth = -iCharWidth; | |
} | |
if (!bMBCSCode) { | |
bEmptyChar = (dwCharType >= FX_CHARTYPE_Tab && | |
dwCharType <= FX_CHARTYPE_Control); | |
} else { | |
bEmptyChar = FALSE; | |
} | |
if (!bEmptyChar) { | |
iCount++; | |
} | |
if (pCharPos != NULL) { | |
iCharWidth /= iFontSize; | |
wForm = wch; | |
if (!bMBCSCode) { | |
if (dwCharType >= FX_CHARTYPE_ArabicAlef) { | |
if (i < iLength) { | |
wNext = *pStr; | |
if (*pWidths < 0) { | |
if (i + 1 < iLength) { | |
wNext = pStr[1]; | |
} | |
} | |
} else { | |
wNext = 0xFEFF; | |
} | |
wForm = m_pArabicChar->GetFormChar(wch, wPrev, wNext); | |
} else if (bRTLPiece || bVerticalChar) { | |
wForm = FX_GetMirrorChar(wch, dwProps, bRTLPiece, bVerticalChar); | |
} else if (dwCharType == FX_CHARTYPE_Numeric && bArabicNumber) { | |
wForm = wch + 0x0630; | |
} | |
dwProps = FX_GetUnicodeProperties(wForm); | |
} | |
iCharRotation = iRotation; | |
if (!bMBCSCode && bVerticalChar && (dwProps & 0x8000) != 0) { | |
iCharRotation++; | |
iCharRotation %= 4; | |
} | |
if (!bEmptyChar) { | |
if (bCharCode) { | |
pCharPos->m_GlyphIndex = wch; | |
} else { | |
pCharPos->m_GlyphIndex = pFont->GetGlyphIndex(wForm, bMBCSCode); | |
if (pCharPos->m_GlyphIndex == 0xFFFF) { | |
pCharPos->m_GlyphIndex = pFont->GetGlyphIndex(wch, bMBCSCode); | |
} | |
} | |
pCharPos->m_ExtGID = pCharPos->m_GlyphIndex; | |
pCharPos->m_FontCharWidth = iCharWidth; | |
if (pWSForms) { | |
*pWSForms += wForm; | |
} | |
} | |
if (bVerticalDoc) { | |
iCharHeight = iCharWidth; | |
iCharWidth = 1000; | |
} else { | |
iCharHeight = 1000; | |
} | |
fCharWidth = fFontSize * iCharWidth / 1000.0f; | |
fCharHeight = fFontSize * iCharHeight / 1000.0f; | |
if (!bMBCSCode && bRTLPiece && dwCharType != FX_CHARTYPE_Combination) { | |
if (bVerticalDoc) { | |
fY -= fCharHeight; | |
} else { | |
fX -= fCharWidth; | |
} | |
} | |
if (!bEmptyChar) { | |
CFX_PointF ptOffset; | |
ptOffset.Reset(); | |
FX_BOOL bAdjusted = FALSE; | |
if (pAdjustPos) { | |
bAdjusted = pAdjustPos(wForm, bMBCSCode, pFont, fFontSize, | |
bVerticalChar, ptOffset); | |
} | |
if (!pAdjustPos && bVerticalChar && (dwProps & 0x00010000) != 0) { | |
CFX_Rect rtBBox; | |
rtBBox.Reset(); | |
if (pFont->GetCharBBox(wForm, rtBBox, bMBCSCode)) { | |
ptOffset.x = fFontSize * (850 - rtBBox.right()) / 1000.0f; | |
ptOffset.y = fFontSize * (1000 - rtBBox.height) / 2000.0f; | |
} | |
} | |
pCharPos->m_OriginX = fX + ptOffset.x; | |
pCharPos->m_OriginY = fY - ptOffset.y; | |
} | |
if (!bRTLPiece && dwCharType != FX_CHARTYPE_Combination) { | |
if (bVerticalDoc) { | |
fY += fCharHeight; | |
} else { | |
fX += fCharWidth; | |
} | |
} | |
if (!bEmptyChar) { | |
pCharPos->m_bGlyphAdjust = TRUE; | |
if (bVerticalDoc) { | |
if (iCharRotation == 0) { | |
pCharPos->m_AdjustMatrix[0] = -1; | |
pCharPos->m_AdjustMatrix[1] = 0; | |
pCharPos->m_AdjustMatrix[2] = 0; | |
pCharPos->m_AdjustMatrix[3] = 1; | |
pCharPos->m_OriginY += fAscent * iVerScale / 100.0f; | |
} else if (iCharRotation == 1) { | |
pCharPos->m_AdjustMatrix[0] = 0; | |
pCharPos->m_AdjustMatrix[1] = -1; | |
pCharPos->m_AdjustMatrix[2] = -1; | |
pCharPos->m_AdjustMatrix[3] = 0; | |
pCharPos->m_OriginX -= | |
fDescent + fAscent * iVerScale / 100.0f - fAscent; | |
} else if (iCharRotation == 2) { | |
pCharPos->m_AdjustMatrix[0] = 1; | |
pCharPos->m_AdjustMatrix[1] = 0; | |
pCharPos->m_AdjustMatrix[2] = 0; | |
pCharPos->m_AdjustMatrix[3] = -1; | |
pCharPos->m_OriginX += fCharWidth; | |
pCharPos->m_OriginY += fAscent; | |
} else { | |
pCharPos->m_AdjustMatrix[0] = 0; | |
pCharPos->m_AdjustMatrix[1] = 1; | |
pCharPos->m_AdjustMatrix[2] = 1; | |
pCharPos->m_AdjustMatrix[3] = 0; | |
pCharPos->m_OriginX += fAscent; | |
pCharPos->m_OriginY += fCharWidth; | |
} | |
} else { | |
if (iCharRotation == 0) { | |
pCharPos->m_AdjustMatrix[0] = -1; | |
pCharPos->m_AdjustMatrix[1] = 0; | |
pCharPos->m_AdjustMatrix[2] = 0; | |
pCharPos->m_AdjustMatrix[3] = 1; | |
pCharPos->m_OriginY += fAscent * iVerScale / 100.0f - fAscent; | |
} else if (iCharRotation == 1) { | |
pCharPos->m_AdjustMatrix[0] = 0; | |
pCharPos->m_AdjustMatrix[1] = -1; | |
pCharPos->m_AdjustMatrix[2] = -1; | |
pCharPos->m_AdjustMatrix[3] = 0; | |
pCharPos->m_OriginX -= fDescent; | |
pCharPos->m_OriginY -= fAscent + fDescent; | |
} else if (iCharRotation == 2) { | |
pCharPos->m_AdjustMatrix[0] = 1; | |
pCharPos->m_AdjustMatrix[1] = 0; | |
pCharPos->m_AdjustMatrix[2] = 0; | |
pCharPos->m_AdjustMatrix[3] = -1; | |
pCharPos->m_OriginX += fCharWidth; | |
pCharPos->m_OriginY -= fAscent; | |
} else { | |
pCharPos->m_AdjustMatrix[0] = 0; | |
pCharPos->m_AdjustMatrix[1] = 1; | |
pCharPos->m_AdjustMatrix[2] = 1; | |
pCharPos->m_AdjustMatrix[3] = 0; | |
pCharPos->m_OriginX += fAscent * iVerScale / 100.0f; | |
} | |
} | |
if (iHorScale != 100 || iVerScale != 100) { | |
pCharPos->m_AdjustMatrix[0] = | |
pCharPos->m_AdjustMatrix[0] * iHorScale / 100.0f; | |
pCharPos->m_AdjustMatrix[1] = | |
pCharPos->m_AdjustMatrix[1] * iHorScale / 100.0f; | |
pCharPos->m_AdjustMatrix[2] = | |
pCharPos->m_AdjustMatrix[2] * iVerScale / 100.0f; | |
pCharPos->m_AdjustMatrix[3] = | |
pCharPos->m_AdjustMatrix[3] * iVerScale / 100.0f; | |
} | |
pCharPos++; | |
} | |
} | |
} | |
if (iWidth > 0) { | |
wPrev = wch; | |
} | |
} | |
return iCount; | |
} | |
int32_t CFX_RTFBreak::GetCharRects(FX_LPCRTFTEXTOBJ pText, | |
CFX_RectFArray& rtArray, | |
FX_BOOL bCharBBox) const { | |
if (pText == NULL || pText->iLength < 1) { | |
return 0; | |
} | |
FXSYS_assert(pText->pStr != NULL && pText->pWidths != NULL && | |
pText->pFont != NULL && pText->pRect != NULL); | |
const FX_WCHAR* pStr = pText->pStr; | |
int32_t* pWidths = pText->pWidths; | |
int32_t iLength = pText->iLength; | |
CFX_RectF rect(*pText->pRect); | |
FX_BOOL bRTLPiece = FX_IsOdd(pText->iBidiLevel); | |
FX_FLOAT fFontSize = pText->fFontSize; | |
int32_t iFontSize = FXSYS_round(fFontSize * 20.0f); | |
FX_FLOAT fScale = fFontSize / 1000.0f; | |
IFX_Font* pFont = pText->pFont; | |
if (pFont == NULL) { | |
bCharBBox = FALSE; | |
} | |
CFX_Rect bbox; | |
bbox.Set(0, 0, 0, 0); | |
if (bCharBBox) { | |
bCharBBox = pFont->GetBBox(bbox); | |
} | |
FX_FLOAT fLeft = std::max(0.0f, bbox.left * fScale); | |
FX_FLOAT fHeight = FXSYS_fabs(bbox.height * fScale); | |
rtArray.RemoveAll(); | |
rtArray.SetSize(iLength); | |
FX_DWORD dwStyles = pText->dwLayoutStyles; | |
FX_BOOL bVertical = (dwStyles & FX_RTFLAYOUTSTYLE_VerticalLayout) != 0; | |
FX_BOOL bSingleLine = (dwStyles & FX_RTFLAYOUTSTYLE_SingleLine) != 0; | |
FX_BOOL bCombText = (dwStyles & FX_TXTLAYOUTSTYLE_CombText) != 0; | |
FX_WCHAR wch, wLineBreakChar = pText->wLineBreakChar; | |
int32_t iCharSize; | |
FX_FLOAT fCharSize, fStart; | |
if (bVertical) { | |
fStart = bRTLPiece ? rect.bottom() : rect.top; | |
} else { | |
fStart = bRTLPiece ? rect.right() : rect.left; | |
} | |
for (int32_t i = 0; i < iLength; i++) { | |
wch = *pStr++; | |
iCharSize = *pWidths++; | |
fCharSize = (FX_FLOAT)iCharSize / 20000.0f; | |
FX_BOOL bRet = (!bSingleLine && FX_IsCtrlCode(wch)); | |
if (!(wch == L'\v' || wch == L'\f' || wch == 0x2028 || wch == 0x2029 || | |
(wLineBreakChar != 0xFEFF && wch == wLineBreakChar))) { | |
bRet = FALSE; | |
} | |
if (bRet) { | |
iCharSize = iFontSize * 500; | |
fCharSize = fFontSize / 2.0f; | |
} | |
if (bVertical) { | |
rect.top = fStart; | |
if (bRTLPiece) { | |
rect.top -= fCharSize; | |
fStart -= fCharSize; | |
} else { | |
fStart += fCharSize; | |
} | |
rect.height = fCharSize; | |
} else { | |
rect.left = fStart; | |
if (bRTLPiece) { | |
rect.left -= fCharSize; | |
fStart -= fCharSize; | |
} else { | |
fStart += fCharSize; | |
} | |
rect.width = fCharSize; | |
} | |
if (bCharBBox && !bRet) { | |
int32_t iCharWidth = 1000; | |
pFont->GetCharWidth(wch, iCharWidth); | |
FX_FLOAT fRTLeft = 0, fCharWidth = 0; | |
if (iCharWidth > 0) { | |
fCharWidth = iCharWidth * fScale; | |
fRTLeft = fLeft; | |
if (bCombText) { | |
fRTLeft = (rect.width - fCharWidth) / 2.0f; | |
} | |
} | |
CFX_RectF rtBBoxF; | |
if (bVertical) { | |
rtBBoxF.top = rect.left + fRTLeft; | |
rtBBoxF.left = rect.top + (rect.height - fHeight) / 2.0f; | |
rtBBoxF.height = fCharWidth; | |
rtBBoxF.width = fHeight; | |
rtBBoxF.left = std::max(rtBBoxF.left, 0.0f); | |
} else { | |
rtBBoxF.left = rect.left + fRTLeft; | |
rtBBoxF.top = rect.top + (rect.height - fHeight) / 2.0f; | |
rtBBoxF.width = fCharWidth; | |
rtBBoxF.height = fHeight; | |
rtBBoxF.top = std::max(rtBBoxF.top, 0.0f); | |
} | |
rtArray.SetAt(i, rtBBoxF); | |
continue; | |
} | |
rtArray.SetAt(i, rect); | |
} | |
return iLength; | |
} |