From 994acdc1a31015674e786d24cc37d08dfae6d863 Mon Sep 17 00:00:00 2001 From: Dan Sinclair Date: Tue, 18 Apr 2017 13:56:39 -0400 Subject: Rename text break files to match class names. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit This CL renames several fgas/layout files to match the class names contained in the files. Change-Id: Ib4feaa902618e577261e51dbac743cb4cb500ea1 Reviewed-on: https://pdfium-review.googlesource.com/4290 Commit-Queue: dsinclair Reviewed-by: Tom Sepez Reviewed-by: Nicolás Peña --- xfa/fgas/layout/fgas_textbreak.cpp | 1028 ------------------------------------ 1 file changed, 1028 deletions(-) delete mode 100644 xfa/fgas/layout/fgas_textbreak.cpp (limited to 'xfa/fgas/layout/fgas_textbreak.cpp') diff --git a/xfa/fgas/layout/fgas_textbreak.cpp b/xfa/fgas/layout/fgas_textbreak.cpp deleted file mode 100644 index 83a03eed5e..0000000000 --- a/xfa/fgas/layout/fgas_textbreak.cpp +++ /dev/null @@ -1,1028 +0,0 @@ -// 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 "xfa/fgas/layout/fgas_textbreak.h" - -#include - -#include "core/fxcrt/fx_arabic.h" -#include "core/fxcrt/fx_memory.h" -#include "third_party/base/ptr_util.h" -#include "xfa/fgas/font/cfgas_gefont.h" -#include "xfa/fgas/layout/fgas_linebreak.h" - -namespace { - -bool IsCtrlCode(wchar_t ch) { - uint32_t dwRet = (FX_GetUnicodeProperties(ch) & FX_CHARTYPEBITSMASK); - return dwRet == FX_CHARTYPE_Tab || dwRet == FX_CHARTYPE_Control; -} - -} // namespace - -CFX_TxtBreak::CFX_TxtBreak() - : CFX_Break(FX_LAYOUTSTYLE_None), - m_iAlignment(CFX_TxtLineAlignment_Left), - m_iCombWidth(360000) {} - -CFX_TxtBreak::~CFX_TxtBreak() {} - -void CFX_TxtBreak::SetLineWidth(float fLineWidth) { - m_iLineWidth = FXSYS_round(fLineWidth * 20000.0f); - ASSERT(m_iLineWidth >= 20000); -} - - -void CFX_TxtBreak::SetAlignment(int32_t iAlignment) { - ASSERT(iAlignment >= CFX_TxtLineAlignment_Left && - iAlignment <= CFX_TxtLineAlignment_Justified); - m_iAlignment = iAlignment; -} - -void CFX_TxtBreak::SetCombWidth(float fCombWidth) { - m_iCombWidth = FXSYS_round(fCombWidth * 20000.0f); -} - -void CFX_TxtBreak::AppendChar_PageLoad(CFX_Char* pCurChar, uint32_t dwProps) { - pCurChar->m_dwStatus = CFX_BreakType::None; - pCurChar->m_dwCharStyles = m_iAlignment | (1 << 8); -} - -void CFX_TxtBreak::AppendChar_Combination(CFX_Char* pCurChar) { - wchar_t wch = pCurChar->m_wCharCode; - wchar_t wForm; - int32_t iCharWidth = 0; - pCurChar->m_iCharWidth = -1; - if (m_bCombText) { - iCharWidth = m_iCombWidth; - } else { - wForm = wch; - CFX_Char* pLastChar = GetLastChar(0, false, false); - if (pLastChar && - (pLastChar->m_dwCharStyles & FX_TXTCHARSTYLE_ArabicShadda) == 0) { - bool bShadda = false; - if (wch == 0x0651) { - wchar_t wLast = pLastChar->m_wCharCode; - if (wLast >= 0x064C && wLast <= 0x0650) { - wForm = FX_GetArabicFromShaddaTable(wLast); - bShadda = true; - } - } else if (wch >= 0x064C && wch <= 0x0650) { - if (pLastChar->m_wCharCode == 0x0651) { - wForm = FX_GetArabicFromShaddaTable(wch); - bShadda = true; - } - } - if (bShadda) { - pLastChar->m_dwCharStyles |= FX_TXTCHARSTYLE_ArabicShadda; - pLastChar->m_iCharWidth = 0; - pCurChar->m_dwCharStyles |= FX_TXTCHARSTYLE_ArabicShadda; - } - } - if (!m_pFont->GetCharWidth(wForm, iCharWidth, false)) - iCharWidth = 0; - - iCharWidth *= m_iFontSize; - iCharWidth = iCharWidth * m_iHorizontalScale / 100; - } - pCurChar->m_iCharWidth = -iCharWidth; -} - -void CFX_TxtBreak::AppendChar_Tab(CFX_Char* pCurChar) { - m_eCharType = FX_CHARTYPE_Tab; -} - -CFX_BreakType CFX_TxtBreak::AppendChar_Control(CFX_Char* pCurChar) { - m_eCharType = FX_CHARTYPE_Control; - CFX_BreakType dwRet = CFX_BreakType::None; - if (!m_bSingleLine) { - wchar_t wch = pCurChar->m_wCharCode; - switch (wch) { - case L'\v': - case 0x2028: - dwRet = CFX_BreakType::Line; - break; - case L'\f': - dwRet = CFX_BreakType::Page; - break; - case 0x2029: - dwRet = CFX_BreakType::Paragraph; - break; - default: - if (wch == m_wParagraphBreakChar) - dwRet = CFX_BreakType::Paragraph; - break; - } - if (dwRet != CFX_BreakType::None) - dwRet = EndBreak(dwRet); - } - return dwRet; -} - -CFX_BreakType CFX_TxtBreak::AppendChar_Arabic(CFX_Char* pCurChar) { - FX_CHARTYPE chartype = pCurChar->GetCharType(); - int32_t& iLineWidth = m_pCurLine->m_iWidth; - wchar_t wForm; - int32_t iCharWidth = 0; - CFX_Char* pLastChar = nullptr; - bool bAlef = false; - if (!m_bCombText && m_eCharType >= FX_CHARTYPE_ArabicAlef && - m_eCharType <= FX_CHARTYPE_ArabicDistortion) { - pLastChar = GetLastChar(1, true, false); - if (pLastChar) { - iCharWidth = pLastChar->m_iCharWidth; - if (iCharWidth > 0) - iLineWidth -= iCharWidth; - - CFX_Char* pPrevChar = GetLastChar(2, true, false); - wForm = pdfium::arabic::GetFormChar(pLastChar, pPrevChar, pCurChar); - bAlef = (wForm == 0xFEFF && - pLastChar->GetCharType() == FX_CHARTYPE_ArabicAlef); - m_pFont->GetCharWidth(wForm, iCharWidth, false); - - if (wForm == 0xFEFF) - iCharWidth = m_iDefChar; - - iCharWidth *= m_iFontSize; - iCharWidth = iCharWidth * m_iHorizontalScale / 100; - pLastChar->m_iCharWidth = iCharWidth; - iLineWidth += iCharWidth; - iCharWidth = 0; - } - } - - m_eCharType = chartype; - wForm = pdfium::arabic::GetFormChar(pCurChar, bAlef ? nullptr : pLastChar, - nullptr); - if (m_bCombText) { - iCharWidth = m_iCombWidth; - } else { - m_pFont->GetCharWidth(wForm, iCharWidth, false); - - if (wForm == 0xFEFF) - iCharWidth = m_iDefChar; - - iCharWidth *= m_iFontSize; - iCharWidth = iCharWidth * m_iHorizontalScale / 100; - } - pCurChar->m_iCharWidth = iCharWidth; - iLineWidth += iCharWidth; - m_pCurLine->m_iArabicChars++; - if (!m_bSingleLine && iLineWidth > m_iLineWidth + m_iTolerance) - return EndBreak(CFX_BreakType::Line); - return CFX_BreakType::None; -} - -CFX_BreakType CFX_TxtBreak::AppendChar_Others(CFX_Char* pCurChar) { - FX_CHARTYPE chartype = pCurChar->GetCharType(); - int32_t& iLineWidth = m_pCurLine->m_iWidth; - int32_t iCharWidth = 0; - m_eCharType = chartype; - wchar_t wch = pCurChar->m_wCharCode; - wchar_t wForm = wch; - - if (m_bCombText) { - iCharWidth = m_iCombWidth; - } else { - if (!m_pFont->GetCharWidth(wForm, iCharWidth, false)) - iCharWidth = m_iDefChar; - - iCharWidth *= m_iFontSize; - iCharWidth = iCharWidth * m_iHorizontalScale / 100; - } - - iCharWidth += m_iCharSpace; - pCurChar->m_iCharWidth = iCharWidth; - iLineWidth += iCharWidth; - if (!m_bSingleLine && chartype != FX_CHARTYPE_Space && - iLineWidth > m_iLineWidth + m_iTolerance) { - return EndBreak(CFX_BreakType::Line); - } - - return CFX_BreakType::None; -} - -CFX_BreakType CFX_TxtBreak::AppendChar(wchar_t wch) { - uint32_t dwProps = kTextLayoutCodeProperties[static_cast(wch)]; - FX_CHARTYPE chartype = GetCharTypeFromProp(dwProps); - m_pCurLine->m_LineChars.emplace_back(); - - CFX_Char* pCurChar = &m_pCurLine->m_LineChars.back(); - pCurChar->m_wCharCode = static_cast(wch); - pCurChar->m_dwCharProps = dwProps; - pCurChar->m_dwCharStyles = 0; - pCurChar->m_iCharWidth = 0; - pCurChar->m_iHorizontalScale = m_iHorizontalScale; - pCurChar->m_iVerticalScale = m_iVerticalScale; - pCurChar->m_dwStatus = CFX_BreakType::None; - pCurChar->m_iBidiClass = 0; - pCurChar->m_iBidiLevel = 0; - pCurChar->m_iBidiPos = 0; - pCurChar->m_iBidiOrder = 0; - - AppendChar_PageLoad(pCurChar, dwProps); - CFX_BreakType dwRet1 = CFX_BreakType::None; - if (chartype != FX_CHARTYPE_Combination && - GetUnifiedCharType(m_eCharType) != GetUnifiedCharType(chartype) && - m_eCharType != FX_CHARTYPE_Unknown && - m_pCurLine->m_iWidth > m_iLineWidth + m_iTolerance && !m_bSingleLine && - (m_eCharType != FX_CHARTYPE_Space || chartype != FX_CHARTYPE_Control)) { - dwRet1 = EndBreak(CFX_BreakType::Line); - int32_t iCount = m_pCurLine->CountChars(); - if (iCount > 0) - pCurChar = &m_pCurLine->m_LineChars[iCount - 1]; - } - - CFX_BreakType dwRet2 = CFX_BreakType::None; - switch (chartype) { - case FX_CHARTYPE_Tab: - AppendChar_Tab(pCurChar); - break; - case FX_CHARTYPE_Control: - dwRet2 = AppendChar_Control(pCurChar); - break; - case FX_CHARTYPE_Combination: - AppendChar_Combination(pCurChar); - break; - case FX_CHARTYPE_ArabicAlef: - case FX_CHARTYPE_ArabicSpecial: - case FX_CHARTYPE_ArabicDistortion: - case FX_CHARTYPE_ArabicNormal: - case FX_CHARTYPE_ArabicForm: - case FX_CHARTYPE_Arabic: - dwRet2 = AppendChar_Arabic(pCurChar); - break; - case FX_CHARTYPE_Unknown: - case FX_CHARTYPE_Space: - case FX_CHARTYPE_Numeric: - case FX_CHARTYPE_Normal: - default: - dwRet2 = AppendChar_Others(pCurChar); - break; - } - - return std::max(dwRet1, dwRet2); -} - -bool CFX_TxtBreak::EndBreak_SplitLine(CFX_BreakLine* pNextLine, - bool bAllChars) { - int32_t iCount = m_pCurLine->CountChars(); - bool bDone = false; - CFX_Char* pTC; - if (!m_bSingleLine && m_pCurLine->m_iWidth > m_iLineWidth + m_iTolerance) { - pTC = m_pCurLine->GetChar(iCount - 1); - switch (pTC->GetCharType()) { - case FX_CHARTYPE_Tab: - case FX_CHARTYPE_Control: - case FX_CHARTYPE_Space: - break; - default: - SplitTextLine(m_pCurLine, pNextLine, bAllChars); - bDone = true; - break; - } - } - - iCount = m_pCurLine->CountChars(); - CFX_BreakPiece tp; - if (bAllChars && !bDone) { - int32_t iEndPos = m_pCurLine->m_iWidth; - GetBreakPos(m_pCurLine->m_LineChars, iEndPos, bAllChars, true); - } - return false; -} - -void CFX_TxtBreak::EndBreak_BidiLine(std::deque* tpos, - CFX_BreakType dwStatus) { - CFX_BreakPiece tp; - FX_TPO tpo; - CFX_Char* pTC; - int32_t i; - int32_t j; - std::vector& chars = m_pCurLine->m_LineChars; - int32_t iCount = m_pCurLine->CountChars(); - bool bDone = m_pCurLine->m_iArabicChars > 0; - if (bDone) { - int32_t iBidiNum = 0; - for (i = 0; i < iCount; i++) { - pTC = &chars[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); - } - - if (bDone) { - tp.m_dwStatus = CFX_BreakType::Piece; - tp.m_iStartPos = m_pCurLine->m_iStart; - tp.m_pChars = &m_pCurLine->m_LineChars; - int32_t iBidiLevel = -1; - int32_t iCharWidth; - i = 0; - j = -1; - while (i < iCount) { - pTC = &chars[i]; - if (iBidiLevel < 0) { - iBidiLevel = pTC->m_iBidiLevel; - tp.m_iWidth = 0; - tp.m_iBidiLevel = iBidiLevel; - tp.m_iBidiPos = pTC->m_iBidiOrder; - tp.m_dwCharStyles = pTC->m_dwCharStyles; - tp.m_iHorizontalScale = pTC->m_iHorizontalScale; - tp.m_iVerticalScale = pTC->m_iVerticalScale; - tp.m_dwStatus = CFX_BreakType::Piece; - } - if (iBidiLevel != pTC->m_iBidiLevel || - pTC->m_dwStatus != CFX_BreakType::None) { - if (iBidiLevel == pTC->m_iBidiLevel) { - tp.m_dwStatus = pTC->m_dwStatus; - iCharWidth = pTC->m_iCharWidth; - if (iCharWidth > 0) - tp.m_iWidth += iCharWidth; - - i++; - } - tp.m_iChars = i - tp.m_iStartChar; - m_pCurLine->m_LinePieces.push_back(tp); - tp.m_iStartPos += tp.m_iWidth; - tp.m_iStartChar = i; - tpo.index = ++j; - tpo.pos = tp.m_iBidiPos; - tpos->push_back(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; - m_pCurLine->m_LinePieces.push_back(tp); - tpo.index = ++j; - tpo.pos = tp.m_iBidiPos; - tpos->push_back(tpo); - } - if (j > -1) { - if (j > 0) { - std::sort(tpos->begin(), tpos->end()); - int32_t iStartPos = 0; - for (i = 0; i <= j; i++) { - tpo = (*tpos)[i]; - CFX_BreakPiece& ttp = m_pCurLine->m_LinePieces[tpo.index]; - ttp.m_iStartPos = iStartPos; - iStartPos += ttp.m_iWidth; - } - } - m_pCurLine->m_LinePieces[j].m_dwStatus = dwStatus; - } - } else { - tp.m_dwStatus = dwStatus; - tp.m_iStartPos = m_pCurLine->m_iStart; - tp.m_iWidth = m_pCurLine->m_iWidth; - tp.m_iStartChar = 0; - tp.m_iChars = iCount; - tp.m_pChars = &m_pCurLine->m_LineChars; - pTC = &chars[0]; - tp.m_dwCharStyles = pTC->m_dwCharStyles; - tp.m_iHorizontalScale = pTC->m_iHorizontalScale; - tp.m_iVerticalScale = pTC->m_iVerticalScale; - m_pCurLine->m_LinePieces.push_back(tp); - tpos->push_back({0, 0}); - } -} - -void CFX_TxtBreak::EndBreak_Alignment(const std::deque& tpos, - bool bAllChars, - CFX_BreakType dwStatus) { - int32_t iNetWidth = m_pCurLine->m_iWidth; - int32_t iGapChars = 0; - bool bFind = false; - for (auto it = tpos.rbegin(); it != tpos.rend(); ++it) { - CFX_BreakPiece& ttp = m_pCurLine->m_LinePieces[it->index]; - if (!bFind) - iNetWidth = ttp.GetEndPos(); - - bool bArabic = FX_IsOdd(ttp.m_iBidiLevel); - int32_t j = bArabic ? 0 : ttp.m_iChars - 1; - while (j > -1 && j < ttp.m_iChars) { - const CFX_Char* pTC = ttp.GetChar(j); - if (pTC->m_nBreakType == FX_LBT_DIRECT_BRK) - iGapChars++; - if (!bFind || !bAllChars) { - FX_CHARTYPE chartype = pTC->GetCharType(); - if (chartype == FX_CHARTYPE_Space || chartype == FX_CHARTYPE_Control) { - if (!bFind && bAllChars && pTC->m_iCharWidth > 0) - iNetWidth -= pTC->m_iCharWidth; - } else { - bFind = true; - if (!bAllChars) - break; - } - } - j += bArabic ? 1 : -1; - } - if (!bAllChars && bFind) - break; - } - - int32_t iOffset = m_iLineWidth - iNetWidth; - if (iGapChars > 0 && m_iAlignment & CFX_TxtLineAlignment_Justified && - dwStatus != CFX_BreakType::Paragraph) { - int32_t iStart = -1; - for (auto& tpo : tpos) { - CFX_BreakPiece& ttp = m_pCurLine->m_LinePieces[tpo.index]; - if (iStart < -1) - iStart = ttp.m_iStartPos; - else - ttp.m_iStartPos = iStart; - - for (int32_t j = 0; j < ttp.m_iChars; j++) { - CFX_Char* pTC = ttp.GetChar(j); - if (pTC->m_nBreakType != FX_LBT_DIRECT_BRK || pTC->m_iCharWidth < 0) - continue; - - int32_t k = iOffset / iGapChars; - pTC->m_iCharWidth += k; - ttp.m_iWidth += k; - iOffset -= k; - iGapChars--; - if (iGapChars < 1) - break; - } - iStart += ttp.m_iWidth; - } - } else if (m_iAlignment & CFX_TxtLineAlignment_Center || - m_iAlignment & CFX_TxtLineAlignment_Right) { - if (m_iAlignment & CFX_TxtLineAlignment_Center && - !(m_iAlignment & CFX_TxtLineAlignment_Right)) { - iOffset /= 2; - } - if (iOffset > 0) { - for (auto& ttp : m_pCurLine->m_LinePieces) - ttp.m_iStartPos += iOffset; - } - } -} - -CFX_BreakType CFX_TxtBreak::EndBreak(CFX_BreakType dwStatus) { - ASSERT(dwStatus != CFX_BreakType::None); - - if (!m_pCurLine->m_LinePieces.empty()) { - if (dwStatus != CFX_BreakType::Piece) - m_pCurLine->m_LinePieces.back().m_dwStatus = dwStatus; - return m_pCurLine->m_LinePieces.back().m_dwStatus; - } - - if (HasLine()) { - if (!m_Line[m_iReadyLineIndex].m_LinePieces.empty()) { - if (dwStatus != CFX_BreakType::Piece) - m_Line[m_iReadyLineIndex].m_LinePieces.back().m_dwStatus = dwStatus; - return m_Line[m_iReadyLineIndex].m_LinePieces.back().m_dwStatus; - } - return CFX_BreakType::None; - } - - int32_t iCount = m_pCurLine->CountChars(); - if (iCount < 1) - return CFX_BreakType::None; - - m_pCurLine->GetChar(iCount - 1)->m_dwStatus = dwStatus; - if (dwStatus == CFX_BreakType::Piece) - return dwStatus; - - m_iReadyLineIndex = m_pCurLine == &m_Line[0] ? 0 : 1; - CFX_BreakLine* pNextLine = &m_Line[1 - m_iReadyLineIndex]; - bool bAllChars = m_iAlignment > CFX_TxtLineAlignment_Right; - if (!EndBreak_SplitLine(pNextLine, bAllChars)) { - std::deque tpos; - EndBreak_BidiLine(&tpos, dwStatus); - if (m_iAlignment > CFX_TxtLineAlignment_Left) - EndBreak_Alignment(tpos, bAllChars, dwStatus); - } - - m_pCurLine = pNextLine; - CFX_Char* pTC = GetLastChar(0, false, false); - m_eCharType = pTC ? pTC->GetCharType() : FX_CHARTYPE_Unknown; - - return dwStatus; -} - -int32_t CFX_TxtBreak::GetBreakPos(std::vector& ca, - int32_t& iEndPos, - bool bAllChars, - bool bOnlyBrk) { - int32_t iLength = pdfium::CollectionSize(ca) - 1; - if (iLength < 1) - return iLength; - - 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_iLineWidth) { - if (!bAllChars) - return iLength; - - iBreak = iLength; - iBreakPos = iEndPos; - } - - FX_LINEBREAKTYPE eType; - uint32_t nCodeProp; - uint32_t nCur; - uint32_t nNext; - CFX_Char* pCur = &ca[iLength--]; - if (bAllChars) - pCur->m_nBreakType = FX_LBT_UNKNOWN; - - nCodeProp = pCur->m_dwCharProps; - nNext = nCodeProp & 0x003F; - int32_t iCharWidth = pCur->m_iCharWidth; - if (iCharWidth > 0) - iEndPos -= iCharWidth; - - while (iLength >= 0) { - pCur = &ca[iLength]; - nCodeProp = pCur->m_dwCharProps; - nCur = nCodeProp & 0x003F; - if (nCur == FX_CBP_SP) { - if (nNext == FX_CBP_SP) - eType = FX_LBT_PROHIBITED_BRK; - else - eType = 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]; - } - if (bAllChars) - pCur->m_nBreakType = static_cast(eType); - if (!bOnlyBrk) { - if (m_bSingleLine || iEndPos <= m_iLineWidth || nCur == FX_CBP_SP) { - if (eType == FX_LBT_DIRECT_BRK && iBreak < 0) { - iBreak = iLength; - iBreakPos = iEndPos; - if (!bAllChars) - return iLength; - } else if (eType == FX_LBT_INDIRECT_BRK && iIndirect < 0) { - iIndirect = iLength; - iIndirectPos = iEndPos; - } - if (iLast < 0) { - iLast = iLength; - iLastPos = iEndPos; - } - } - iCharWidth = pCur->m_iCharWidth; - if (iCharWidth > 0) - iEndPos -= iCharWidth; - } - nNext = nCodeProp & 0x003F; - iLength--; - } - if (bOnlyBrk) - return 0; - if (iBreak > -1) { - iEndPos = iBreakPos; - return iBreak; - } - if (iIndirect > -1) { - iEndPos = iIndirectPos; - return iIndirect; - } - if (iLast > -1) { - iEndPos = iLastPos; - return iLast; - } - return 0; -} - -void CFX_TxtBreak::SplitTextLine(CFX_BreakLine* pCurLine, - CFX_BreakLine* pNextLine, - bool bAllChars) { - ASSERT(pCurLine && pNextLine); - int32_t iCount = pCurLine->CountChars(); - if (iCount < 2) - return; - - int32_t iEndPos = pCurLine->m_iWidth; - std::vector& curChars = pCurLine->m_LineChars; - int32_t iCharPos = GetBreakPos(curChars, iEndPos, bAllChars, false); - if (iCharPos < 0) - iCharPos = 0; - - iCharPos++; - if (iCharPos >= iCount) { - pNextLine->Clear(); - CFX_Char* pTC = &curChars[iCharPos - 1]; - pTC->m_nBreakType = FX_LBT_UNKNOWN; - return; - } - - pNextLine->m_LineChars = - std::vector(curChars.begin() + iCharPos, curChars.end()); - curChars.erase(curChars.begin() + iCharPos, curChars.end()); - pCurLine->m_iWidth = iEndPos; - CFX_Char* pTC = &curChars[iCharPos - 1]; - pTC->m_nBreakType = FX_LBT_UNKNOWN; - iCount = pdfium::CollectionSize(pNextLine->m_LineChars); - int32_t iWidth = 0; - for (int32_t i = 0; i < iCount; i++) { - if (pNextLine->m_LineChars[i].GetCharType() >= FX_CHARTYPE_ArabicAlef) { - pCurLine->m_iArabicChars--; - pNextLine->m_iArabicChars++; - } - iWidth += std::max(0, pNextLine->m_LineChars[i].m_iCharWidth); - pNextLine->m_LineChars[i].m_dwStatus = CFX_BreakType::None; - } - pNextLine->m_iWidth = iWidth; -} - -struct FX_FORMCHAR { - uint16_t wch; - uint16_t wForm; - int32_t iWidth; -}; - -int32_t CFX_TxtBreak::GetDisplayPos(const FX_TXTRUN* pTxtRun, - FXTEXT_CHARPOS* pCharPos, - bool bCharCode, - CFX_WideString* pWSForms) const { - if (!pTxtRun || pTxtRun->iLength < 1) - return 0; - - CFDE_TxtEdtPage* pAccess = pTxtRun->pAccess; - const FDE_TEXTEDITPIECE* pIdentity = pTxtRun->pIdentity; - const wchar_t* pStr = pTxtRun->wsStr.c_str(); - int32_t* pWidths = pTxtRun->pWidths; - int32_t iLength = pTxtRun->iLength - 1; - CFX_RetainPtr pFont = pTxtRun->pFont; - uint32_t dwStyles = pTxtRun->dwStyles; - CFX_RectF rtText(*pTxtRun->pRect); - bool bRTLPiece = (pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_OddBidiLevel) != 0; - float fFontSize = pTxtRun->fFontSize; - int32_t iFontSize = FXSYS_round(fFontSize * 20.0f); - int32_t iAscent = pFont->GetAscent(); - int32_t iDescent = pFont->GetDescent(); - int32_t iMaxHeight = iAscent - iDescent; - float fFontHeight = fFontSize; - float fAscent = fFontHeight * (float)iAscent / (float)iMaxHeight; - float fX = rtText.left; - float fY; - float fCharWidth; - float fCharHeight; - int32_t iHorScale = pTxtRun->iHorizontalScale; - int32_t iVerScale = pTxtRun->iVerticalScale; - bool bSkipSpace = pTxtRun->bSkipSpace; - FX_FORMCHAR formChars[3]; - float fYBase; - - if (bRTLPiece) - fX = rtText.right(); - - fYBase = rtText.top + (rtText.height - fFontSize) / 2.0f; - fY = fYBase + fAscent; - - int32_t iCount = 0; - int32_t iNext = 0; - wchar_t wPrev = 0xFEFF; - wchar_t wNext = 0xFEFF; - wchar_t wForm = 0xFEFF; - wchar_t wLast = 0xFEFF; - bool bShadda = false; - bool bLam = false; - for (int32_t i = 0; i <= iLength; i++) { - int32_t iWidth; - wchar_t wch; - if (pAccess) { - wch = pAccess->GetChar(pIdentity, i); - iWidth = pAccess->GetWidth(pIdentity, i); - } else { - wch = *pStr++; - iWidth = *pWidths++; - } - - uint32_t dwProps = FX_GetUnicodeProperties(wch); - FX_CHARTYPE chartype = GetCharTypeFromProp(dwProps); - if (chartype == FX_CHARTYPE_ArabicAlef && iWidth == 0) { - wPrev = 0xFEFF; - wLast = wch; - continue; - } - - if (chartype >= FX_CHARTYPE_ArabicAlef) { - if (i < iLength) { - if (pAccess) { - iNext = i + 1; - while (iNext <= iLength) { - wNext = pAccess->GetChar(pIdentity, iNext); - dwProps = FX_GetUnicodeProperties(wNext); - if ((dwProps & FX_CHARTYPEBITSMASK) != FX_CHARTYPE_Combination) - break; - - iNext++; - } - if (iNext > iLength) - wNext = 0xFEFF; - } else { - int32_t j = -1; - do { - j++; - if (i + j >= iLength) - break; - - wNext = pStr[j]; - dwProps = FX_GetUnicodeProperties(wNext); - } while ((dwProps & FX_CHARTYPEBITSMASK) == FX_CHARTYPE_Combination); - if (i + j >= iLength) - wNext = 0xFEFF; - } - } else { - wNext = 0xFEFF; - } - - wForm = pdfium::arabic::GetFormChar(wch, wPrev, wNext); - bLam = (wPrev == 0x0644 && wch == 0x0644 && wNext == 0x0647); - } else if (chartype == FX_CHARTYPE_Combination) { - wForm = wch; - if (wch >= 0x064C && wch <= 0x0651) { - if (bShadda) { - wForm = 0xFEFF; - bShadda = false; - } else { - wNext = 0xFEFF; - if (pAccess) { - iNext = i + 1; - if (iNext <= iLength) - wNext = pAccess->GetChar(pIdentity, iNext); - } else { - if (i < iLength) - wNext = *pStr; - } - if (wch == 0x0651) { - if (wNext >= 0x064C && wNext <= 0x0650) { - wForm = FX_GetArabicFromShaddaTable(wNext); - bShadda = true; - } - } else { - if (wNext == 0x0651) { - wForm = FX_GetArabicFromShaddaTable(wch); - bShadda = true; - } - } - } - } else { - bShadda = false; - } - } else if (chartype == FX_CHARTYPE_Numeric) { - wForm = wch; - } else if (wch == L'.') { - wForm = wch; - } else if (wch == L',') { - wForm = wch; - } else if (bRTLPiece) { - wForm = FX_GetMirrorChar(wch, dwProps, bRTLPiece, false); - } else { - wForm = wch; - } - if (chartype != FX_CHARTYPE_Combination) - bShadda = false; - if (chartype < FX_CHARTYPE_ArabicAlef) - bLam = false; - - dwProps = FX_GetUnicodeProperties(wForm); - bool bEmptyChar = - (chartype >= FX_CHARTYPE_Tab && chartype <= FX_CHARTYPE_Control); - if (wForm == 0xFEFF) - bEmptyChar = true; - - int32_t iForms = bLam ? 3 : 1; - iCount += (bEmptyChar && bSkipSpace) ? 0 : iForms; - if (!pCharPos) { - if (iWidth > 0) - wPrev = wch; - wLast = wch; - continue; - } - - int32_t iCharWidth = iWidth; - if (iCharWidth < 0) - iCharWidth = -iCharWidth; - - iCharWidth /= iFontSize; - formChars[0].wch = wch; - formChars[0].wForm = wForm; - formChars[0].iWidth = iCharWidth; - if (bLam) { - formChars[1].wForm = 0x0651; - iCharWidth = 0; - pFont->GetCharWidth(0x0651, iCharWidth, false); - formChars[1].iWidth = iCharWidth; - formChars[2].wForm = 0x0670; - iCharWidth = 0; - pFont->GetCharWidth(0x0670, iCharWidth, false); - formChars[2].iWidth = iCharWidth; - } - - for (int32_t j = 0; j < iForms; j++) { - wForm = (wchar_t)formChars[j].wForm; - iCharWidth = formChars[j].iWidth; - if (j > 0) { - chartype = FX_CHARTYPE_Combination; - wch = wForm; - wLast = (wchar_t)formChars[j - 1].wForm; - } - if (!bEmptyChar || (bEmptyChar && !bSkipSpace)) { - pCharPos->m_GlyphIndex = - bCharCode ? wch : pFont->GetGlyphIndex(wForm, false); -#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_ - pCharPos->m_ExtGID = pCharPos->m_GlyphIndex; -#endif - pCharPos->m_FontCharWidth = iCharWidth; - if (pWSForms) - *pWSForms += wForm; - } - - int32_t iCharHeight = 1000; - - fCharWidth = fFontSize * iCharWidth / 1000.0f; - fCharHeight = fFontSize * iCharHeight / 1000.0f; - if (bRTLPiece && chartype != FX_CHARTYPE_Combination) - fX -= fCharWidth; - - if (!bEmptyChar || (bEmptyChar && !bSkipSpace)) { - pCharPos->m_Origin = CFX_PointF(fX, fY); - if ((dwStyles & FX_LAYOUTSTYLE_CombText) != 0) { - int32_t iFormWidth = iCharWidth; - pFont->GetCharWidth(wForm, iFormWidth, false); - float fOffset = fFontSize * (iCharWidth - iFormWidth) / 2000.0f; - pCharPos->m_Origin.x += fOffset; - } - - if (chartype == FX_CHARTYPE_Combination) { - CFX_Rect rtBBox; - if (pFont->GetCharBBox(wForm, &rtBBox, false)) { - pCharPos->m_Origin.y = - fYBase + fFontSize - - fFontSize * (float)rtBBox.height / (float)iMaxHeight; - } - if (wForm == wch && wLast != 0xFEFF) { - uint32_t dwLastProps = FX_GetUnicodeProperties(wLast); - if ((dwLastProps & FX_CHARTYPEBITSMASK) == - FX_CHARTYPE_Combination) { - CFX_Rect rtBox; - if (pFont->GetCharBBox(wLast, &rtBox, false)) - pCharPos->m_Origin.y -= fFontSize * rtBox.height / iMaxHeight; - } - } - } - CFX_PointF ptOffset; - pCharPos->m_Origin.x += ptOffset.x; - pCharPos->m_Origin.y -= ptOffset.y; - } - if (!bRTLPiece && chartype != FX_CHARTYPE_Combination) - fX += fCharWidth; - - if (!bEmptyChar || (bEmptyChar && !bSkipSpace)) { - pCharPos->m_bGlyphAdjust = true; - pCharPos->m_AdjustMatrix[0] = -1; - pCharPos->m_AdjustMatrix[1] = 0; - pCharPos->m_AdjustMatrix[2] = 0; - pCharPos->m_AdjustMatrix[3] = 1; - - 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 = static_cast(formChars[0].wch); - wLast = wch; - } - return iCount; -} - -std::vector CFX_TxtBreak::GetCharRects(const FX_TXTRUN* pTxtRun, - bool bCharBBox) const { - if (!pTxtRun || pTxtRun->iLength < 1) - return std::vector(); - - CFDE_TxtEdtPage* pAccess = pTxtRun->pAccess; - const FDE_TEXTEDITPIECE* pIdentity = pTxtRun->pIdentity; - const wchar_t* pStr = pTxtRun->wsStr.c_str(); - int32_t* pWidths = pTxtRun->pWidths; - int32_t iLength = pTxtRun->iLength; - CFX_RectF rect(*pTxtRun->pRect); - float fFontSize = pTxtRun->fFontSize; - int32_t iFontSize = FXSYS_round(fFontSize * 20.0f); - float fScale = fFontSize / 1000.0f; - CFX_RetainPtr pFont = pTxtRun->pFont; - if (!pFont) - bCharBBox = false; - - CFX_Rect bbox; - if (bCharBBox) - bCharBBox = pFont->GetBBox(&bbox); - - float fLeft = std::max(0.0f, bbox.left * fScale); - float fHeight = fabs(bbox.height * fScale); - bool bRTLPiece = !!(pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_OddBidiLevel); - bool bSingleLine = !!(pTxtRun->dwStyles & FX_LAYOUTSTYLE_SingleLine); - bool bCombText = !!(pTxtRun->dwStyles & FX_LAYOUTSTYLE_CombText); - wchar_t wch; - wchar_t wLineBreakChar = pTxtRun->wLineBreakChar; - int32_t iCharSize; - float fCharSize; - float fStart = bRTLPiece ? rect.right() : rect.left; - - std::vector rtArray(iLength); - for (int32_t i = 0; i < iLength; i++) { - if (pAccess) { - wch = pAccess->GetChar(pIdentity, i); - iCharSize = pAccess->GetWidth(pIdentity, i); - } else { - wch = *pStr++; - iCharSize = *pWidths++; - } - fCharSize = static_cast(iCharSize) / 20000.0f; - bool bRet = (!bSingleLine && 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; - } - 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, false); - float fRTLeft = 0, fCharWidth = 0; - if (iCharWidth > 0) { - fCharWidth = iCharWidth * fScale; - fRTLeft = fLeft; - if (bCombText) - fRTLeft = (rect.width - fCharWidth) / 2.0f; - } - CFX_RectF rtBBoxF; - 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[i] = rtBBoxF; - continue; - } - rtArray[i] = rect; - } - return rtArray; -} - -FX_TXTRUN::FX_TXTRUN() - : pAccess(nullptr), - pIdentity(nullptr), - pWidths(nullptr), - iLength(0), - pFont(nullptr), - fFontSize(12), - dwStyles(0), - iHorizontalScale(100), - iVerticalScale(100), - dwCharStyles(0), - pRect(nullptr), - wLineBreakChar(L'\n'), - bSkipSpace(true) {} - -FX_TXTRUN::~FX_TXTRUN() {} - -FX_TXTRUN::FX_TXTRUN(const FX_TXTRUN& other) = default; -- cgit v1.2.3