summaryrefslogtreecommitdiff
path: root/xfa/fgas/layout/fgas_rtfbreak.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'xfa/fgas/layout/fgas_rtfbreak.cpp')
-rw-r--r--xfa/fgas/layout/fgas_rtfbreak.cpp133
1 files changed, 42 insertions, 91 deletions
diff --git a/xfa/fgas/layout/fgas_rtfbreak.cpp b/xfa/fgas/layout/fgas_rtfbreak.cpp
index 24436ecf1f..b705fb0845 100644
--- a/xfa/fgas/layout/fgas_rtfbreak.cpp
+++ b/xfa/fgas/layout/fgas_rtfbreak.cpp
@@ -15,9 +15,8 @@
#include "xfa/fgas/layout/fgas_linebreak.h"
#include "xfa/fgas/layout/fgas_unicode.h"
-CFX_RTFBreak::CFX_RTFBreak(uint32_t dwPolicies)
- : m_dwPolicies(dwPolicies),
- m_iBoundaryStart(0),
+CFX_RTFBreak::CFX_RTFBreak()
+ : m_iBoundaryStart(0),
m_iBoundaryEnd(2000000),
m_dwLayoutStyles(0),
m_bPagination(false),
@@ -29,7 +28,6 @@ CFX_RTFBreak::CFX_RTFBreak(uint32_t dwPolicies)
m_iFontSize(240),
m_iTabWidth(720000),
m_PositionedTabs(),
- m_bOrphanLine(false),
m_wDefChar(0xFEFF),
m_iDefChar(0),
m_wLineBreakChar(L'\n'),
@@ -143,12 +141,8 @@ void CFX_RTFBreak::AddPositionedTab(FX_FLOAT fTabPos) {
}
}
m_PositionedTabs.InsertAt(iFind, iTabPos);
- if (m_dwPolicies & FX_RTFBREAKPOLICY_OrphanPositionedTab) {
- m_bOrphanLine = GetLastPositionedTab() >= iLineEnd;
- } else {
- m_bOrphanLine = false;
- }
}
+
void CFX_RTFBreak::SetPositionedTabs(const std::vector<FX_FLOAT>& tabs) {
m_PositionedTabs.RemoveAll();
int32_t iCount = pdfium::CollectionSize<int32_t>(tabs);
@@ -162,16 +156,12 @@ void CFX_RTFBreak::SetPositionedTabs(const std::vector<FX_FLOAT>& tabs) {
}
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;
@@ -361,8 +351,7 @@ uint32_t CFX_RTFBreak::AppendChar(FX_WCHAR wch) {
uint32_t dwRet1 = FX_RTFBREAK_None;
if (chartype != FX_CHARTYPE_Combination &&
GetUnifiedCharType(m_eCharType) != GetUnifiedCharType(chartype)) {
- if (!m_bSingleLine && !m_bOrphanLine &&
- m_eCharType != FX_CHARTYPE_Unknown &&
+ if (!m_bSingleLine && m_eCharType != FX_CHARTYPE_Unknown &&
m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) {
if (m_eCharType != FX_CHARTYPE_Space || chartype != FX_CHARTYPE_Control) {
dwRet1 = EndBreak(FX_RTFBREAK_LineBreak);
@@ -452,22 +441,15 @@ uint32_t CFX_RTFBreak::AppendChar_Combination(CFX_RTFChar* pCurChar,
uint32_t CFX_RTFBreak::AppendChar_Tab(CFX_RTFChar* pCurChar,
int32_t iRotation) {
if (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_ExpandTab) {
- 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)) {
+ if (GetPositionedTab(iCharWidth))
iCharWidth -= iLineWidth;
- } else {
+ 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;
}
@@ -551,7 +533,7 @@ uint32_t CFX_RTFBreak::AppendChar_Arabic(CFX_RTFChar* pCurChar,
pCurChar->m_iCharWidth = iCharWidth;
iLineWidth += iCharWidth;
m_pCurLine->m_iArabicChars++;
- if (!m_bSingleLine && !m_bOrphanLine &&
+ if (!m_bSingleLine &&
m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) {
return EndBreak(FX_RTFBREAK_LineBreak);
}
@@ -588,9 +570,7 @@ uint32_t CFX_RTFBreak::AppendChar_Others(CFX_RTFChar* pCurChar,
pCurChar->m_iCharWidth = iCharWidth;
m_pCurLine->m_iWidth += iCharWidth;
- bool bBreak = (chartype != FX_CHARTYPE_Space ||
- (m_dwPolicies & FX_RTFBREAKPOLICY_SpaceBreak) != 0);
- if (!m_bSingleLine && !m_bOrphanLine && bBreak &&
+ if (!m_bSingleLine && chartype != FX_CHARTYPE_Space &&
m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) {
return EndBreak(FX_RTFBREAK_LineBreak);
}
@@ -659,23 +639,13 @@ bool CFX_RTFBreak::EndBreak_SplitLine(CFX_RTFLine* pNextLine,
bool bAllChars,
uint32_t dwStatus) {
bool bDone = false;
- if (!m_bSingleLine && !m_bOrphanLine &&
+ if (!m_bSingleLine &&
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);
@@ -929,15 +899,20 @@ int32_t CFX_RTFBreak::GetBreakPos(std::vector<CFX_RTFChar>& tca,
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) {
+ int32_t iBreak = -1;
+ int32_t iBreakPos = -1;
+ int32_t iIndirect = -1;
+ int32_t iIndirectPos = -1;
+ int32_t iLast = -1;
+ int32_t iLastPos = -1;
+ if (m_bSingleLine || iEndPos <= m_iBoundaryEnd) {
if (!bAllChars || m_bCharCode)
return iLength;
iBreak = iLength;
iBreakPos = iEndPos;
}
+
CFX_RTFChar* pCharArray = tca.data();
if (m_bCharCode) {
const CFX_RTFChar* pChar;
@@ -953,69 +928,46 @@ int32_t CFX_RTFBreak::GetBreakPos(std::vector<CFX_RTFChar>& tca,
}
return iLength;
}
- bool bSpaceBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_SpaceBreak) != 0;
- bool bTabBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_TabBreak) != 0;
- bool bNumberBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_NumberBreak) != 0;
- bool bInfixBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_InfixBreak) != 0;
- FX_LINEBREAKTYPE eType;
- uint32_t nCodeProp, nCur, nNext;
+
CFX_RTFChar* pCur = pCharArray + iLength--;
- if (bAllChars) {
+ if (bAllChars)
pCur->m_nBreakType = FX_LBT_UNKNOWN;
- }
- nCodeProp = pCur->m_dwCharProps;
- nNext = nCodeProp & 0x003F;
+
+ uint32_t nCodeProp = pCur->m_dwCharProps;
+ uint32_t nNext = nCodeProp & 0x003F;
int32_t iCharWidth = pCur->m_iCharWidth;
- if (iCharWidth > 0) {
+ if (iCharWidth > 0)
iEndPos -= iCharWidth;
- }
+
while (iLength >= 0) {
pCur = pCharArray + iLength;
nCodeProp = pCur->m_dwCharProps;
- nCur = nCodeProp & 0x003F;
+ uint32_t nCur = nCodeProp & 0x003F;
bool bNeedBreak = false;
+ FX_LINEBREAKTYPE eType;
if (nCur == FX_CBP_SP) {
- bNeedBreak = !bSpaceBreak;
- if (nNext == FX_CBP_SP) {
- eType = bSpaceBreak ? FX_LBT_DIRECT_BRK : FX_LBT_PROHIBITED_BRK;
- } else {
- eType = gs_FX_LineBreak_PairTable[nCur][nNext];
- }
+ bNeedBreak = true;
+ eType = nNext == FX_CBP_SP ? FX_LBT_PROHIBITED_BRK
+ : gs_FX_LineBreak_PairTable[nCur][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 = gs_FX_LineBreak_PairTable[nCur][nNext];
- }
- } else if ((bNumberBreak && nCur == FX_CBP_NU && nNext == FX_CBP_NU) ||
- (bInfixBreak && nCur == FX_CBP_IS && nNext == FX_CBP_IS)) {
- eType = FX_LBT_DIRECT_BRK;
+ bNeedBreak = true;
+ eType = nNext == FX_CBP_TB ? FX_LBT_PROHIBITED_BRK
+ : gs_FX_LineBreak_PairTable[nCur][nNext];
} else {
- if (nNext == FX_CBP_SP) {
- eType = FX_LBT_PROHIBITED_BRK;
- } else {
- eType = gs_FX_LineBreak_PairTable[nCur][nNext];
- }
+ eType = nNext == FX_CBP_SP ? FX_LBT_PROHIBITED_BRK
+ : gs_FX_LineBreak_PairTable[nCur][nNext];
}
- if (bAllChars) {
+ if (bAllChars)
pCur->m_nBreakType = eType;
- }
+
if (!bOnlyBrk) {
iCharWidth = pCur->m_iCharWidth;
- 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 (m_bSingleLine || iEndPos <= m_iBoundaryEnd || bNeedBreak) {
if (eType == FX_LBT_DIRECT_BRK && iBreak < 0) {
iBreak = iLength;
iBreakPos = iEndPos;
- if (!bAllChars) {
+ if (!bAllChars)
return iLength;
- }
} else if (eType == FX_LBT_INDIRECT_BRK && iIndirect < 0) {
iIndirect = iLength;
iIndirectPos = iEndPos;
@@ -1025,9 +977,8 @@ int32_t CFX_RTFBreak::GetBreakPos(std::vector<CFX_RTFChar>& tca,
iLastPos = iEndPos;
}
}
- if (iCharWidth > 0) {
+ if (iCharWidth > 0)
iEndPos -= iCharWidth;
- }
}
nNext = nCodeProp & 0x003F;
iLength--;
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 11:31:55 +0000