diff options
Diffstat (limited to 'xfa/src/fgas/src/layout/fx_rtfbreak.cpp')
| -rw-r--r-- | xfa/src/fgas/src/layout/fx_rtfbreak.cpp | 1522 |
1 files changed, 1522 insertions, 0 deletions
diff --git a/xfa/src/fgas/src/layout/fx_rtfbreak.cpp b/xfa/src/fgas/src/layout/fx_rtfbreak.cpp new file mode 100644 index 0000000000..24c64c453b --- /dev/null +++ b/xfa/src/fgas/src/layout/fx_rtfbreak.cpp @@ -0,0 +1,1522 @@ +// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include "../fgas_base.h"
+#include "fx_unicode.h"
+#include "fx_rtfbreak.h"
+extern const FX_DWORD gs_FX_TextLayout_CodeProperties[65536];
+extern const FX_WCHAR gs_FX_TextLayout_VerticalMirror[64];
+extern const FX_WCHAR gs_FX_TextLayout_BidiMirror[512];
+extern const FX_LINEBREAKTYPE gs_FX_LineBreak_PairTable[64][32];
+IFX_RTFBreak* IFX_RTFBreak::Create(FX_DWORD dwPolicies)
+{
+ return FX_NEW CFX_RTFBreak(dwPolicies);
+}
+CFX_RTFBreak::CFX_RTFBreak(FX_DWORD dwPolicies)
+ : m_dwPolicies(dwPolicies)
+ , m_pArabicChar(NULL)
+ , m_iLineStart(0)
+ , m_iLineEnd(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::SetLineWidth(FX_FLOAT fLineStart, FX_FLOAT fLineEnd)
+{
+ m_iLineStart = FXSYS_round(fLineStart * 20000.0f);
+ m_iLineEnd = FXSYS_round(fLineEnd * 20000.0f);
+ FXSYS_assert(m_iLineEnd >= m_iLineStart);
+ if (m_pCurLine->m_iStart < m_iLineStart) {
+ m_pCurLine->m_iStart = m_iLineStart;
+ }
+}
+void CFX_RTFBreak::SetLinePos(FX_FLOAT fLinePos)
+{
+ FX_INT32 iLinePos = FXSYS_round(fLinePos * 20000.0f);
+ if (iLinePos > m_iLineEnd) {
+ iLinePos = m_iLineEnd;
+ }
+ 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)
+{
+ FX_INT32 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)
+{
+ FX_INT32 iLineEnd = m_iLineEnd;
+ FX_INT32 iTabPos = FXSYS_round(fTabPos * 20000.0f) + m_iLineStart;
+ if (iTabPos > iLineEnd) {
+ iTabPos = iLineEnd;
+ }
+ if (m_PositionedTabs.Find(iTabPos, 0) > -1) {
+ return;
+ }
+ FX_INT32 iCount = m_PositionedTabs.GetSize();
+ FX_INT32 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();
+ FX_INT32 iCount = tabs.GetSize();
+ m_PositionedTabs.SetSize(iCount);
+ FX_INT32 iLineEnd = m_iLineEnd;
+ FX_INT32 iTabPos;
+ for (FX_INT32 i = 0; i < iCount; i ++) {
+ iTabPos = FXSYS_round(tabs[i] * 20000.0f) + m_iLineStart;
+ 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(FX_INT32 iScale)
+{
+ if (iScale < 0) {
+ iScale = 0;
+ }
+ if (m_iHorizontalScale == iScale) {
+ return;
+ }
+ SetBreakStatus();
+ m_iHorizontalScale = iScale;
+}
+void CFX_RTFBreak::SetVerticalScale(FX_INT32 iScale)
+{
+ if (iScale < 0) {
+ iScale = 0;
+ }
+ if (m_iVerticalScale == iScale) {
+ return;
+ }
+ SetBreakStatus();
+ m_iVerticalScale = iScale;
+}
+void CFX_RTFBreak::SetCharRotation(FX_INT32 iCharRotation)
+{
+ if (iCharRotation < 0) {
+ iCharRotation += (-iCharRotation / 4 + 1) * 4;
+ } else if (iCharRotation > 3) {
+ iCharRotation -= (iCharRotation / 4) * 4;
+ }
+ if (m_iCharRotation == iCharRotation) {
+ return;
+ }
+ SetBreakStatus();
+ m_iCharRotation = iCharRotation;
+ m_iRotation = m_iLineRotation + m_iCharRotation;
+ m_iRotation %= 4;
+}
+void CFX_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(FX_INT32 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 FX_INT32 gs_FX_RTFLineRotations[8] = {0, 3, 1, 0, 2, 1, 3, 2};
+FX_INT32 CFX_RTFBreak::GetLineRotation(FX_DWORD dwStyles) const
+{
+ return gs_FX_RTFLineRotations[(dwStyles & 0x0E) >> 1];
+}
+void CFX_RTFBreak::SetBreakStatus()
+{
+ m_dwIdentity ++;
+ FX_INT32 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(FX_INT32 index) const
+{
+ CFX_RTFCharArray &tca = m_pCurLine->m_LineChars;
+ FX_INT32 iCount = tca.GetSize();
+ if (index < 0 || index >= iCount) {
+ return NULL;
+ }
+ CFX_RTFChar *pTC;
+ FX_INT32 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;
+}
+FX_INT32 CFX_RTFBreak::GetLastPositionedTab() const
+{
+ FX_INT32 iCount = m_PositionedTabs.GetSize();
+ if (iCount < 1) {
+ return m_iLineStart;
+ }
+ return m_PositionedTabs[iCount - 1];
+}
+FX_BOOL CFX_RTFBreak::GetPositionedTab(FX_INT32 &iTabPos) const
+{
+ FX_INT32 iCount = m_PositionedTabs.GetSize();
+ for (FX_INT32 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, FX_INT32 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 = gs_FX_TextLayout_CodeProperties[(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_iLineEnd + m_iTolerance) {
+ if (m_dwCharType != FX_CHARTYPE_Space || dwType != FX_CHARTYPE_Control) {
+ dwRet1 = EndBreak(FX_RTFBREAK_LineBreak);
+ FX_INT32 iCount = m_pCurLine->CountChars();
+ if (iCount > 0) {
+ pCurChar = m_pCurLine->m_LineChars.GetDataPtr(iCount - 1);
+ }
+ }
+ }
+ }
+ FX_INT32 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 FX_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;
+ FX_INT32 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_iLineEnd + m_iTolerance) {
+ return EndBreak(FX_RTFBREAK_LineBreak);
+ }
+ return FX_RTFBREAK_None;
+}
+FX_DWORD CFX_RTFBreak::AppendChar_Combination(CFX_RTFChar *pCurChar, FX_INT32 iRotation)
+{
+ FX_INT32 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, FX_INT32 iRotation)
+{
+ if (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_ExpandTab) {
+ FX_BOOL bBreak = FALSE;
+ if ((m_dwPolicies & FX_RTFBREAKPOLICY_TabBreak) != 0) {
+ bBreak = (m_pCurLine->GetLineEnd() > m_iLineEnd + m_iTolerance);
+ }
+ FX_INT32 &iLineWidth = m_pCurLine->m_iWidth;
+ FX_INT32 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, FX_INT32 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, FX_INT32 iRotation)
+{
+ CFX_RTFChar *pLastChar = NULL;
+ FX_INT32 &iLineWidth = m_pCurLine->m_iWidth;
+ FX_INT32 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);
+ FX_INT32 iLastRotation = pLastChar->m_nRotation + m_iLineRotation;
+ if (m_bVertical && (pLastChar->m_dwCharProps & 0x8000) != 0) {
+ iLastRotation ++;
+ }
+ if (m_bVertical != FX_IsOdd(iLastRotation)) {
+ iCharWidth = 1000;
+ } else {
+ 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_iLineEnd + m_iTolerance) {
+ return EndBreak(FX_RTFBREAK_LineBreak);
+ }
+ return FX_RTFBREAK_None;
+}
+FX_DWORD CFX_RTFBreak::AppendChar_Others(CFX_RTFChar *pCurChar, FX_INT32 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;
+ }
+ FX_INT32 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_iLineEnd + 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;
+ FX_INT32 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_iLineStart;
+ 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_iLineEnd + 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;
+ FX_INT32 iLast = m_pCurLine->CountChars() - 1, j = 0;
+ for (FX_INT32 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) {
+ FX_INT32 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;
+ FX_INT32 i, j;
+ CFX_RTFCharArray &chars = m_pCurLine->m_LineChars;
+ FX_INT32 iCount = m_pCurLine->CountChars();
+ FX_BOOL bDone = (!m_bPagination && !m_bCharCode && (m_pCurLine->m_iArabicChars > 0 || m_bRTL));
+ if (bDone) {
+ FX_INT32 iBidiNum = 0;
+ for (i = 0; i < iCount; i ++) {
+ pTC = chars.GetDataPtr(i);
+ pTC->m_iBidiPos = i;
+ if (pTC->GetCharType() != FX_CHARTYPE_Control) {
+ iBidiNum = i;
+ }
+ if (i == 0) {
+ pTC->m_iBidiLevel = 1;
+ }
+ }
+ FX_BidiLine(chars, iBidiNum + 1, m_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;
+ FX_INT32 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);
+ FX_INT32 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;
+ FX_INT32 iNetWidth = m_pCurLine->m_iWidth, iGapChars = 0, iCharWidth;
+ FX_INT32 iCount = pCurPieces->GetSize();
+ FX_BOOL bFind = FALSE;
+ FX_DWORD dwCharType;
+ FX_INT32 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;
+ }
+ }
+ FX_INT32 iOffset = m_iLineEnd - iNetWidth;
+ FX_INT32 iLowerAlignment = (m_iAlignment & FX_RTFLINEALIGNMENT_LowerMask);
+ FX_INT32 iHigherAlignment = (m_iAlignment & FX_RTFLINEALIGNMENT_HigherMask);
+ if (iGapChars > 0 && (iHigherAlignment == FX_RTFLINEALIGNMENT_Distributed || (iHigherAlignment == FX_RTFLINEALIGNMENT_Justified && dwStatus != FX_RTFBREAK_ParagraphBreak))) {
+ FX_INT32 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;
+ }
+ FX_INT32 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;
+ }
+ }
+ }
+}
+FX_INT32 CFX_RTFBreak::GetBreakPos(CFX_RTFCharArray &tca, FX_INT32 &iEndPos, FX_BOOL bAllChars, FX_BOOL bOnlyBrk)
+{
+ FX_INT32 iLength = tca.GetSize() - 1;
+ if (iLength < 1) {
+ return iLength;
+ }
+ FX_INT32 iBreak = -1, iBreakPos = -1, iIndirect = -1, iIndirectPos = -1, iLast = -1, iLastPos = -1;
+ if (m_bSingleLine || m_bOrphanLine || iEndPos <= m_iLineEnd) {
+ if (!bAllChars || m_bCharCode) {
+ return iLength;
+ }
+ iBreak = iLength;
+ iBreakPos = iEndPos;
+ }
+ CFX_RTFChar *pCharArray = tca.GetData();
+ if (m_bCharCode) {
+ const CFX_RTFChar *pChar;
+ FX_INT32 iCharWidth;
+ while (iLength > 0) {
+ if (iEndPos <= m_iLineEnd) {
+ 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;
+ FX_INT32 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_iLineEnd;
+ } else {
+ bBreak = iEndPos <= m_iLineEnd;
+ }
+ 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);
+ FX_INT32 iCount = pCurLine->CountChars();
+ if (iCount < 2) {
+ return;
+ }
+ FX_INT32 iEndPos = pCurLine->GetLineEnd();
+ CFX_RTFCharArray &curChars = pCurLine->m_LineChars;
+ FX_INT32 iCharPos = GetBreakPos(curChars, iEndPos, bAllChars, FALSE);
+ if (iCharPos < 0) {
+ iCharPos = 0;
+ }
+ iCharPos ++;
+ if (iCharPos >= iCount) {
+ pNextLine->RemoveAll(TRUE);
+ CFX_Char *pTC = curChars.GetDataPtr(iCharPos - 1);
+ pTC->m_nBreakType = FX_LBT_UNKNOWN;
+ return;
+ }
+ CFX_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 (FX_INT32 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;
+ }
+}
+FX_INT32 CFX_RTFBreak::CountBreakPieces() const
+{
+ CFX_RTFPieceArray *pRTFPieces = GetRTFPieces(TRUE);
+ if (pRTFPieces == NULL) {
+ return 0;
+ }
+ return pRTFPieces->GetSize();
+}
+const CFX_RTFPiece* CFX_RTFBreak::GetBreakPiece(FX_INT32 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_iLineStart) / 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;
+ FX_INT32 iCount = rtfPieces.GetSize();
+ if (iCount < 1) {
+ rect.width = 0;
+ return;
+ }
+ CFX_RTFPiece *pBreakPiece;
+ FX_INT32 iLineHeight = 0, iMax;
+ for (FX_INT32 i = 0; i < iCount; i ++) {
+ pBreakPiece = rtfPieces.GetPtrAt(i);
+ FX_INT32 iFontHeight = FXSYS_round(pBreakPiece->m_iFontHeight * pBreakPiece->m_iVerticalScale / 100.0f);
+ iMax = FX_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);
+}
+FX_INT32 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);
+ FX_LPCWSTR pStr = pText->pStr;
+ FX_INT32 *pWidths = pText->pWidths;
+ FX_INT32 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;
+ FX_INT32 iFontSize = FXSYS_round(fFontSize * 20.0f);
+ FX_INT32 iAscent = pFont->GetAscent();
+ FX_INT32 iDescent = pFont->GetDescent();
+ FX_INT32 iMaxHeight = iAscent - iDescent;
+ FX_FLOAT fFontHeight = fFontSize;
+ FX_FLOAT fAscent = fFontHeight * (FX_FLOAT)iAscent / (FX_FLOAT)iMaxHeight;
+ FX_FLOAT fDescent = fFontHeight * (FX_FLOAT)iDescent / (FX_FLOAT)iMaxHeight;
+ FX_BOOL bVerticalDoc = (dwStyles & FX_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;
+ FX_INT32 iRotation = GetLineRotation(dwStyles) + pText->iCharRotation;
+ FX_INT32 iCharRotation;
+ FX_WCHAR wch, wPrev = 0xFEFF, wNext, wForm;
+ FX_INT32 iWidth, iCharWidth, iCharHeight;
+ FX_FLOAT fX, fY, fCharWidth, fCharHeight;
+ FX_INT32 iHorScale = pText->iHorizontalScale;
+ FX_INT32 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;
+ }
+ FX_INT32 iCount = 0;
+ for (FX_INT32 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;
+}
+FX_INT32 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);
+ FX_LPCWSTR pStr = pText->pStr;
+ FX_INT32 *pWidths = pText->pWidths;
+ FX_INT32 iLength = pText->iLength;
+ CFX_RectF rect(*pText->pRect);
+ FX_BOOL bRTLPiece = FX_IsOdd(pText->iBidiLevel);
+ FX_FLOAT fFontSize = pText->fFontSize;
+ FX_INT32 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 = FX_MAX(0, 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 bMBCSCode = (dwStyles & FX_RTFLAYOUTSTYLE_MBCSCode) != 0;
+ FX_BOOL bSingleLine = (dwStyles & FX_RTFLAYOUTSTYLE_SingleLine) != 0;
+ FX_BOOL bCombText = (dwStyles & FX_TXTLAYOUTSTYLE_CombText) != 0;
+ FX_WCHAR wch, wLineBreakChar = pText->wLineBreakChar;
+ FX_INT32 iCharSize;
+ FX_FLOAT fCharSize, fStart;
+ if (bVertical) {
+ fStart = bRTLPiece ? rect.bottom() : rect.top;
+ } else {
+ fStart = bRTLPiece ? rect.right() : rect.left;
+ }
+ for (FX_INT32 i = 0; i < iLength; i ++) {
+ wch = *pStr ++;
+ iCharSize = *pWidths ++;
+ fCharSize = (FX_FLOAT)iCharSize / 20000.0f;
+ FX_BOOL bRet = (!bSingleLine && FX_IsCtrlCode(wch));
+ if (!(wch == L'\v' || wch == L'\f' || wch == 0x2028 || wch == 0x2029 || (wLineBreakChar != 0xFEFF && wch == wLineBreakChar))) {
+ bRet = FALSE;
+ }
+ if (bRet) {
+ iCharSize = iFontSize * 500;
+ fCharSize = fFontSize / 2.0f;
+ }
+ if (bVertical) {
+ rect.top = fStart;
+ if (bRTLPiece) {
+ rect.top -= fCharSize;
+ fStart -= fCharSize;
+ } else {
+ fStart += fCharSize;
+ }
+ rect.height = fCharSize;
+ } else {
+ rect.left = fStart;
+ if (bRTLPiece) {
+ rect.left -= fCharSize;
+ fStart -= fCharSize;
+ } else {
+ fStart += fCharSize;
+ }
+ rect.width = fCharSize;
+ }
+ if (bCharBBox && !bRet) {
+ FX_INT32 iCharWidth = 1000;
+ pFont->GetCharWidth(wch, iCharWidth);
+ FX_FLOAT fRTLeft = 0, fCharWidth = 0;
+ if (iCharWidth > 0) {
+ fCharWidth = iCharWidth * fScale;
+ fRTLeft = fLeft;
+ if (bCombText) {
+ fRTLeft = (rect.width - fCharWidth) / 2.0f;
+ }
+ }
+ CFX_RectF rtBBoxF;
+ if (bVertical) {
+ rtBBoxF.top = rect.left + fRTLeft;
+ rtBBoxF.left = rect.top + (rect.height - fHeight) / 2.0f;
+ rtBBoxF.height = fCharWidth;
+ rtBBoxF.width = fHeight;
+ rtBBoxF.left = FX_MAX(rtBBoxF.left, 0);
+ } else {
+ rtBBoxF.left = rect.left + fRTLeft;
+ rtBBoxF.top = rect.top + (rect.height - fHeight) / 2.0f;
+ rtBBoxF.width = fCharWidth;
+ rtBBoxF.height = fHeight;
+ rtBBoxF.top = FX_MAX(rtBBoxF.top, 0);
+ }
+ rtArray.SetAt(i, rtBBoxF);
+ continue;
+ }
+ rtArray.SetAt(i, rect);
+ }
+ return iLength;
+}
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