| Index: xfa/src/fgas/src/layout/fx_textbreak.cpp
|
| diff --git a/xfa/src/fgas/src/layout/fx_textbreak.cpp b/xfa/src/fgas/src/layout/fx_textbreak.cpp
|
| index a9ce859623c82a40e6b5777a62aaabae00f348bc..d36b477f3c53bf5be6a8dacee4b2bc882beba621 100644
|
| --- a/xfa/src/fgas/src/layout/fx_textbreak.cpp
|
| +++ b/xfa/src/fgas/src/layout/fx_textbreak.cpp
|
| @@ -1,1661 +1,1661 @@
|
| -// Copyright 2014 PDFium Authors. All rights reserved.
|
| -// Use of this source code is governed by a BSD-style license that can be
|
| -// found in the LICENSE file.
|
| -
|
| -// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
|
| -
|
| -#include <algorithm>
|
| -
|
| -#include "core/include/fxcrt/fx_arb.h"
|
| -#include "xfa/src/fgas/include/fx_lbk.h"
|
| -#include "xfa/src/fgas/src/fgas_base.h"
|
| -#include "xfa/src/fgas/src/layout/fx_unicode.h"
|
| -#include "xfa/src/fgas/src/layout/fx_textbreak.h"
|
| -
|
| -extern const FX_LINEBREAKTYPE gs_FX_LineBreak_PairTable[64][32];
|
| -IFX_TxtBreak* IFX_TxtBreak::Create(FX_DWORD dwPolicies) {
|
| - return new CFX_TxtBreak(dwPolicies);
|
| -}
|
| -CFX_TxtBreak::CFX_TxtBreak(FX_DWORD dwPolicies)
|
| - : m_dwPolicies(dwPolicies),
|
| - m_pArabicChar(NULL),
|
| - m_iLineWidth(2000000),
|
| - m_dwLayoutStyles(0),
|
| - m_bVertical(FALSE),
|
| - m_bArabicContext(FALSE),
|
| - m_bArabicShapes(FALSE),
|
| - m_bRTL(FALSE),
|
| - m_bSingleLine(FALSE),
|
| - m_bCombText(FALSE),
|
| - m_iArabicContext(1),
|
| - m_iCurArabicContext(1),
|
| - m_pFont(NULL),
|
| - m_iFontSize(240),
|
| - m_bEquidistant(TRUE),
|
| - m_iTabWidth(720000),
|
| - m_wDefChar(0xFEFF),
|
| - m_wParagBreakChar(L'\n'),
|
| - m_iDefChar(0),
|
| - m_iLineRotation(0),
|
| - m_iCharRotation(0),
|
| - m_iRotation(0),
|
| - m_iAlignment(FX_TXTLINEALIGNMENT_Left),
|
| - m_dwContextCharStyles(0),
|
| - m_iCombWidth(360000),
|
| - m_pUserData(NULL),
|
| - m_dwCharType(0),
|
| - m_bArabicNumber(FALSE),
|
| - m_bArabicComma(FALSE),
|
| - m_pCurLine(NULL),
|
| - m_iReady(0),
|
| - m_iTolerance(0),
|
| - m_iHorScale(100),
|
| - m_iVerScale(100),
|
| - m_iCharSpace(0) {
|
| - m_bPagination = (m_dwPolicies & FX_TXTBREAKPOLICY_Pagination) != 0;
|
| - m_pArabicChar = IFX_ArabicChar::Create();
|
| - if (m_bPagination) {
|
| - m_pTxtLine1 = new CFX_TxtLine(sizeof(CFX_Char));
|
| - m_pTxtLine2 = new CFX_TxtLine(sizeof(CFX_Char));
|
| - } else {
|
| - m_pTxtLine1 = new CFX_TxtLine(sizeof(CFX_TxtChar));
|
| - m_pTxtLine2 = new CFX_TxtLine(sizeof(CFX_TxtChar));
|
| - }
|
| - m_pCurLine = m_pTxtLine1;
|
| - ResetArabicContext();
|
| -}
|
| -CFX_TxtBreak::~CFX_TxtBreak() {
|
| - Reset();
|
| - delete m_pTxtLine1;
|
| - delete m_pTxtLine2;
|
| - m_pArabicChar->Release();
|
| -}
|
| -void CFX_TxtBreak::SetLineWidth(FX_FLOAT fLineWidth) {
|
| - m_iLineWidth = FXSYS_round(fLineWidth * 20000.0f);
|
| - FXSYS_assert(m_iLineWidth >= 20000);
|
| -}
|
| -void CFX_TxtBreak::SetLinePos(FX_FLOAT fLinePos) {
|
| - int32_t iLinePos = FXSYS_round(fLinePos * 20000.0f);
|
| - if (iLinePos < 0) {
|
| - iLinePos = 0;
|
| - }
|
| - if (iLinePos > m_iLineWidth) {
|
| - iLinePos = m_iLineWidth;
|
| - }
|
| - m_pCurLine->m_iStart = iLinePos;
|
| - m_pCurLine->m_iWidth += iLinePos;
|
| -}
|
| -void CFX_TxtBreak::SetLayoutStyles(FX_DWORD dwLayoutStyles) {
|
| - m_dwLayoutStyles = dwLayoutStyles;
|
| - m_bVertical = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_VerticalChars) != 0;
|
| - m_bArabicContext = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_ArabicContext) != 0;
|
| - m_bArabicShapes = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_ArabicShapes) != 0;
|
| - m_bRTL = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_RTLReadingOrder) != 0;
|
| - m_bSingleLine = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_SingleLine) != 0;
|
| - m_bCombText = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_CombText) != 0;
|
| - ResetArabicContext();
|
| - m_iLineRotation = GetLineRotation(m_dwLayoutStyles);
|
| - m_iRotation = m_iLineRotation + m_iCharRotation;
|
| - m_iRotation %= 4;
|
| -}
|
| -void CFX_TxtBreak::SetFont(IFX_Font* pFont) {
|
| - if (pFont == NULL) {
|
| - return;
|
| - }
|
| - if (m_pFont == pFont) {
|
| - return;
|
| - }
|
| - SetBreakStatus();
|
| - m_pFont = pFont;
|
| - m_iDefChar = 0;
|
| - if (m_wDefChar != 0xFEFF && m_pFont != NULL) {
|
| - m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE);
|
| - m_iDefChar *= m_iFontSize;
|
| - }
|
| -}
|
| -void CFX_TxtBreak::SetFontSize(FX_FLOAT fFontSize) {
|
| - int32_t iFontSize = FXSYS_round(fFontSize * 20.0f);
|
| - if (m_iFontSize == iFontSize) {
|
| - return;
|
| - }
|
| - SetBreakStatus();
|
| - m_iFontSize = iFontSize;
|
| - m_iDefChar = 0;
|
| - if (m_wDefChar != 0xFEFF && m_pFont != NULL) {
|
| - m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE);
|
| - m_iDefChar *= m_iFontSize;
|
| - }
|
| -}
|
| -void CFX_TxtBreak::SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant) {
|
| - m_iTabWidth = FXSYS_round(fTabWidth * 20000.0f);
|
| - if (m_iTabWidth < FX_TXTBREAK_MinimumTabWidth) {
|
| - m_iTabWidth = FX_TXTBREAK_MinimumTabWidth;
|
| - }
|
| - m_bEquidistant = bEquidistant;
|
| -}
|
| -void CFX_TxtBreak::SetDefaultChar(FX_WCHAR wch) {
|
| - m_wDefChar = wch;
|
| - m_iDefChar = 0;
|
| - if (m_wDefChar != 0xFEFF && m_pFont != NULL) {
|
| - m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE);
|
| - if (m_iDefChar < 0) {
|
| - m_iDefChar = 0;
|
| - } else {
|
| - m_iDefChar *= m_iFontSize;
|
| - }
|
| - }
|
| -}
|
| -void CFX_TxtBreak::SetParagraphBreakChar(FX_WCHAR wch) {
|
| - if (wch != L'\r' && wch != L'\n') {
|
| - return;
|
| - }
|
| - m_wParagBreakChar = wch;
|
| -}
|
| -void CFX_TxtBreak::SetLineBreakTolerance(FX_FLOAT fTolerance) {
|
| - m_iTolerance = FXSYS_round(fTolerance * 20000.0f);
|
| -}
|
| -void CFX_TxtBreak::SetCharRotation(int32_t iCharRotation) {
|
| - if (iCharRotation < 0) {
|
| - iCharRotation += (-iCharRotation / 4 + 1) * 4;
|
| - } else if (iCharRotation > 3) {
|
| - iCharRotation -= (iCharRotation / 4) * 4;
|
| - }
|
| - if (m_iCharRotation == iCharRotation) {
|
| - return;
|
| - }
|
| - SetBreakStatus();
|
| - m_iCharRotation = iCharRotation;
|
| - m_iRotation = m_iLineRotation + m_iCharRotation;
|
| - m_iRotation %= 4;
|
| -}
|
| -void CFX_TxtBreak::SetAlignment(int32_t iAlignment) {
|
| - FXSYS_assert(iAlignment >= FX_TXTLINEALIGNMENT_Left &&
|
| - iAlignment <= FX_TXTLINEALIGNMENT_Distributed);
|
| - m_iAlignment = iAlignment;
|
| - ResetArabicContext();
|
| -}
|
| -void CFX_TxtBreak::ResetContextCharStyles() {
|
| - m_dwContextCharStyles = m_bArabicContext ? m_iCurAlignment : m_iAlignment;
|
| - if (m_bArabicNumber) {
|
| - m_dwContextCharStyles |= FX_TXTCHARSTYLE_ArabicNumber;
|
| - }
|
| - if (m_bArabicComma) {
|
| - m_dwContextCharStyles |= FX_TXTCHARSTYLE_ArabicComma;
|
| - }
|
| - if ((m_bArabicContext && m_bCurRTL) || (!m_bArabicContext && m_bRTL)) {
|
| - m_dwContextCharStyles |= FX_TXTCHARSTYLE_RTLReadingOrder;
|
| - }
|
| - m_dwContextCharStyles |= (m_iArabicContext << 8);
|
| -}
|
| -FX_DWORD CFX_TxtBreak::GetContextCharStyles() const {
|
| - return m_dwContextCharStyles;
|
| -}
|
| -void CFX_TxtBreak::SetContextCharStyles(FX_DWORD dwCharStyles) {
|
| - m_iCurAlignment = dwCharStyles & 0x0F;
|
| - m_bArabicNumber = (dwCharStyles & FX_TXTCHARSTYLE_ArabicNumber) != 0;
|
| - m_bArabicComma = (dwCharStyles & FX_TXTCHARSTYLE_ArabicComma) != 0;
|
| - m_bCurRTL = (dwCharStyles & FX_TXTCHARSTYLE_RTLReadingOrder) != 0;
|
| - m_iCurArabicContext = m_iArabicContext = ((dwCharStyles & 0x0300) >> 8);
|
| - ResetContextCharStyles();
|
| -}
|
| -void CFX_TxtBreak::SetCombWidth(FX_FLOAT fCombWidth) {
|
| - m_iCombWidth = FXSYS_round(fCombWidth * 20000.0f);
|
| -}
|
| -void CFX_TxtBreak::SetUserData(void* pUserData) {
|
| - if (m_pUserData == pUserData) {
|
| - return;
|
| - }
|
| - SetBreakStatus();
|
| - m_pUserData = pUserData;
|
| -}
|
| -void CFX_TxtBreak::SetBreakStatus() {
|
| - if (m_bPagination) {
|
| - return;
|
| - }
|
| - int32_t iCount = m_pCurLine->CountChars();
|
| - if (iCount < 1) {
|
| - return;
|
| - }
|
| - CFX_TxtChar* pTC = (CFX_TxtChar*)m_pCurLine->GetCharPtr(iCount - 1);
|
| - if (pTC->m_dwStatus == 0) {
|
| - pTC->m_dwStatus = FX_TXTBREAK_PieceBreak;
|
| - }
|
| -}
|
| -void CFX_TxtBreak::SetHorizontalScale(int32_t iScale) {
|
| - if (iScale < 0) {
|
| - iScale = 0;
|
| - }
|
| - if (iScale == m_iHorScale) {
|
| - return;
|
| - }
|
| - SetBreakStatus();
|
| - m_iHorScale = iScale;
|
| -}
|
| -void CFX_TxtBreak::SetVerticalScale(int32_t iScale) {
|
| - if (iScale < 0) {
|
| - iScale = 0;
|
| - }
|
| - if (iScale == m_iHorScale) {
|
| - return;
|
| - }
|
| - SetBreakStatus();
|
| - m_iVerScale = iScale;
|
| -}
|
| -void CFX_TxtBreak::SetCharSpace(FX_FLOAT fCharSpace) {
|
| - m_iCharSpace = FXSYS_round(fCharSpace * 20000.0f);
|
| -}
|
| -static const int32_t gs_FX_TxtLineRotations[8] = {0, 3, 1, 0, 2, 1, 3, 2};
|
| -int32_t CFX_TxtBreak::GetLineRotation(FX_DWORD dwStyles) const {
|
| - return gs_FX_TxtLineRotations[(dwStyles & 0x0E) >> 1];
|
| -}
|
| -CFX_TxtChar* CFX_TxtBreak::GetLastChar(int32_t index, FX_BOOL bOmitChar) const {
|
| - CFX_TxtCharArray& ca = *m_pCurLine->m_pLineChars;
|
| - int32_t iCount = ca.GetSize();
|
| - if (index < 0 || index >= iCount) {
|
| - return NULL;
|
| - }
|
| - CFX_TxtChar* pTC;
|
| - int32_t iStart = iCount - 1;
|
| - while (iStart > -1) {
|
| - pTC = ca.GetDataPtr(iStart--);
|
| - if (bOmitChar && pTC->GetCharType() == FX_CHARTYPE_Combination) {
|
| - continue;
|
| - }
|
| - if (--index < 0) {
|
| - return pTC;
|
| - }
|
| - }
|
| - return NULL;
|
| -}
|
| -CFX_TxtLine* CFX_TxtBreak::GetTxtLine(FX_BOOL bReady) const {
|
| - if (!bReady) {
|
| - return m_pCurLine;
|
| - }
|
| - if (m_iReady == 1) {
|
| - return m_pTxtLine1;
|
| - } else if (m_iReady == 2) {
|
| - return m_pTxtLine2;
|
| - } else {
|
| - return NULL;
|
| - }
|
| -}
|
| -CFX_TxtPieceArray* CFX_TxtBreak::GetTxtPieces(FX_BOOL bReady) const {
|
| - CFX_TxtLine* pTxtLine = GetTxtLine(bReady);
|
| - if (pTxtLine == NULL) {
|
| - return NULL;
|
| - }
|
| - return pTxtLine->m_pLinePieces;
|
| -}
|
| -inline FX_DWORD CFX_TxtBreak::GetUnifiedCharType(FX_DWORD dwType) const {
|
| - return dwType >= FX_CHARTYPE_ArabicAlef ? FX_CHARTYPE_Arabic : dwType;
|
| -}
|
| -void CFX_TxtBreak::ResetArabicContext() {
|
| - if (m_bArabicContext) {
|
| - m_bCurRTL = m_iCurArabicContext > 1;
|
| - m_iCurAlignment = m_iCurArabicContext > 1 ? FX_TXTLINEALIGNMENT_Right
|
| - : FX_TXTLINEALIGNMENT_Left;
|
| - m_iCurAlignment |= (m_iAlignment & FX_TXTLINEALIGNMENT_HigherMask);
|
| - m_bArabicNumber = m_iArabicContext >= 1 && m_bArabicShapes;
|
| - } else {
|
| - if (m_bPagination) {
|
| - m_bCurRTL = FALSE;
|
| - m_iCurAlignment = 0;
|
| - } else {
|
| - m_bCurRTL = m_bRTL;
|
| - m_iCurAlignment = m_iAlignment;
|
| - }
|
| - if (m_bRTL) {
|
| - m_bArabicNumber = m_iArabicContext >= 1;
|
| - } else {
|
| - m_bArabicNumber = m_iArabicContext > 1;
|
| - }
|
| - m_bArabicNumber = m_bArabicNumber && m_bArabicShapes;
|
| - }
|
| - m_bArabicComma = m_bArabicNumber;
|
| - ResetContextCharStyles();
|
| -}
|
| -void CFX_TxtBreak::AppendChar_PageLoad(CFX_Char* pCurChar, FX_DWORD dwProps) {
|
| - if (!m_bPagination) {
|
| - ((CFX_TxtChar*)pCurChar)->m_dwStatus = 0;
|
| - ((CFX_TxtChar*)pCurChar)->m_pUserData = m_pUserData;
|
| - }
|
| - if (m_bArabicContext || m_bArabicShapes) {
|
| - int32_t iBidiCls = (dwProps & FX_BIDICLASSBITSMASK) >> FX_BIDICLASSBITS;
|
| - int32_t iArabicContext =
|
| - (iBidiCls == FX_BIDICLASS_R || iBidiCls == FX_BIDICLASS_AL)
|
| - ? 2
|
| - : ((iBidiCls == FX_BIDICLASS_L || iBidiCls == FX_BIDICLASS_S) ? 0
|
| - : 1);
|
| - if (iArabicContext != m_iArabicContext && iArabicContext != 1) {
|
| - m_iArabicContext = iArabicContext;
|
| - if (m_iCurArabicContext == 1) {
|
| - m_iCurArabicContext = iArabicContext;
|
| - }
|
| - ResetArabicContext();
|
| - if (!m_bPagination) {
|
| - CFX_TxtChar* pLastChar = (CFX_TxtChar*)GetLastChar(1, FALSE);
|
| - if (pLastChar != NULL && pLastChar->m_dwStatus < 1) {
|
| - pLastChar->m_dwStatus = FX_TXTBREAK_PieceBreak;
|
| - }
|
| - }
|
| - }
|
| - }
|
| - pCurChar->m_dwCharStyles = m_dwContextCharStyles;
|
| -}
|
| -FX_DWORD CFX_TxtBreak::AppendChar_Combination(CFX_Char* pCurChar,
|
| - int32_t iRotation) {
|
| - FXSYS_assert(pCurChar != NULL);
|
| - FX_WCHAR wch = pCurChar->m_wCharCode;
|
| - FX_WCHAR wForm;
|
| - int32_t iCharWidth = 0;
|
| - CFX_Char* pLastChar;
|
| - pCurChar->m_iCharWidth = -1;
|
| - if (m_bCombText) {
|
| - iCharWidth = m_iCombWidth;
|
| - } else {
|
| - if (m_bVertical != FX_IsOdd(iRotation)) {
|
| - iCharWidth = 1000;
|
| - } else {
|
| - wForm = wch;
|
| - if (!m_bPagination) {
|
| - pLastChar = GetLastChar(0, FALSE);
|
| - if (pLastChar != NULL &&
|
| - (((CFX_TxtChar*)pLastChar)->m_dwCharStyles &
|
| - FX_TXTCHARSTYLE_ArabicShadda) == 0) {
|
| - FX_BOOL bShadda = FALSE;
|
| - if (wch == 0x0651) {
|
| - FX_WCHAR wLast = pLastChar->m_wCharCode;
|
| - if (wLast >= 0x064C && wLast <= 0x0650) {
|
| - wForm = FX_GetArabicFromShaddaTable(wLast);
|
| - bShadda = TRUE;
|
| - }
|
| - } else if (wch >= 0x064C && wch <= 0x0650) {
|
| - if (pLastChar->m_wCharCode == 0x0651) {
|
| - wForm = FX_GetArabicFromShaddaTable(wch);
|
| - bShadda = TRUE;
|
| - }
|
| - }
|
| - if (bShadda) {
|
| - ((CFX_TxtChar*)pLastChar)->m_dwCharStyles |=
|
| - FX_TXTCHARSTYLE_ArabicShadda;
|
| - ((CFX_TxtChar*)pLastChar)->m_iCharWidth = 0;
|
| - ((CFX_TxtChar*)pCurChar)->m_dwCharStyles |=
|
| - FX_TXTCHARSTYLE_ArabicShadda;
|
| - }
|
| - }
|
| - }
|
| - if (!m_pFont->GetCharWidth(wForm, iCharWidth, FALSE)) {
|
| - iCharWidth = 0;
|
| - }
|
| - }
|
| - iCharWidth *= m_iFontSize;
|
| - iCharWidth = iCharWidth * m_iHorScale / 100;
|
| - }
|
| - pCurChar->m_iCharWidth = -iCharWidth;
|
| - return FX_TXTBREAK_None;
|
| -}
|
| -FX_DWORD CFX_TxtBreak::AppendChar_Tab(CFX_Char* pCurChar, int32_t iRotation) {
|
| - m_dwCharType = FX_CHARTYPE_Tab;
|
| - if ((m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_ExpandTab) == 0) {
|
| - return FX_TXTBREAK_None;
|
| - }
|
| - int32_t& iLineWidth = m_pCurLine->m_iWidth;
|
| - int32_t iCharWidth;
|
| - if (m_bCombText) {
|
| - iCharWidth = m_iCombWidth;
|
| - } else {
|
| - if (m_bEquidistant) {
|
| - iCharWidth = iLineWidth;
|
| - iCharWidth = m_iTabWidth * (iCharWidth / m_iTabWidth + 1) - iCharWidth;
|
| - if (iCharWidth < FX_TXTBREAK_MinimumTabWidth) {
|
| - iCharWidth += m_iTabWidth;
|
| - }
|
| - } else {
|
| - iCharWidth = m_iTabWidth;
|
| - }
|
| - }
|
| - pCurChar->m_iCharWidth = iCharWidth;
|
| - iLineWidth += iCharWidth;
|
| - if (!m_bSingleLine && iLineWidth >= m_iLineWidth + m_iTolerance) {
|
| - return EndBreak(FX_TXTBREAK_LineBreak);
|
| - }
|
| - return FX_TXTBREAK_None;
|
| -}
|
| -FX_DWORD CFX_TxtBreak::AppendChar_Control(CFX_Char* pCurChar,
|
| - int32_t iRotation) {
|
| - m_dwCharType = FX_CHARTYPE_Control;
|
| - FX_DWORD dwRet = FX_TXTBREAK_None;
|
| - if (!m_bSingleLine) {
|
| - FX_WCHAR wch = pCurChar->m_wCharCode;
|
| - switch (wch) {
|
| - case L'\v':
|
| - case 0x2028:
|
| - dwRet = FX_TXTBREAK_LineBreak;
|
| - break;
|
| - case L'\f':
|
| - dwRet = FX_TXTBREAK_PageBreak;
|
| - break;
|
| - case 0x2029:
|
| - dwRet = FX_TXTBREAK_ParagraphBreak;
|
| - break;
|
| - default:
|
| - if (wch == m_wParagBreakChar) {
|
| - dwRet = FX_TXTBREAK_ParagraphBreak;
|
| - }
|
| - break;
|
| - }
|
| - if (dwRet != FX_TXTBREAK_None) {
|
| - dwRet = EndBreak(dwRet);
|
| - }
|
| - }
|
| - return dwRet;
|
| -}
|
| -FX_DWORD CFX_TxtBreak::AppendChar_Arabic(CFX_Char* pCurChar,
|
| - int32_t iRotation) {
|
| - FX_DWORD dwType = (pCurChar->m_dwCharProps & FX_CHARTYPEBITSMASK);
|
| - int32_t& iLineWidth = m_pCurLine->m_iWidth;
|
| - FX_WCHAR wForm;
|
| - int32_t iCharWidth = 0;
|
| - CFX_Char* pLastChar = NULL;
|
| - FX_BOOL bAlef = FALSE;
|
| - if (!m_bCombText && m_dwCharType >= FX_CHARTYPE_ArabicAlef &&
|
| - m_dwCharType <= FX_CHARTYPE_ArabicDistortion) {
|
| - pLastChar = GetLastChar(1);
|
| - if (pLastChar != NULL) {
|
| - iCharWidth = pLastChar->m_iCharWidth;
|
| - if (iCharWidth > 0) {
|
| - iLineWidth -= iCharWidth;
|
| - }
|
| - CFX_Char* pPrevChar = GetLastChar(2);
|
| - wForm = m_pArabicChar->GetFormChar(pLastChar, pPrevChar, pCurChar);
|
| - bAlef = (wForm == 0xFEFF &&
|
| - pLastChar->GetCharType() == FX_CHARTYPE_ArabicAlef);
|
| - int32_t iLastRotation = pLastChar->m_nRotation + m_iLineRotation;
|
| - if (m_bVertical && (pLastChar->m_dwCharProps & 0x8000) != 0) {
|
| - iLastRotation++;
|
| - }
|
| - if (m_bVertical != FX_IsOdd(iLastRotation)) {
|
| - iCharWidth = 1000;
|
| - } else {
|
| - m_pFont->GetCharWidth(wForm, iCharWidth, FALSE);
|
| - }
|
| - if (wForm == 0xFEFF) {
|
| - iCharWidth = m_iDefChar;
|
| - }
|
| - iCharWidth *= m_iFontSize;
|
| - iCharWidth = iCharWidth * m_iHorScale / 100;
|
| - pLastChar->m_iCharWidth = iCharWidth;
|
| - iLineWidth += iCharWidth;
|
| - iCharWidth = 0;
|
| - }
|
| - }
|
| - m_dwCharType = dwType;
|
| - wForm = m_pArabicChar->GetFormChar(pCurChar, bAlef ? NULL : pLastChar, NULL);
|
| - if (m_bCombText) {
|
| - iCharWidth = m_iCombWidth;
|
| - } else {
|
| - if (m_bVertical != FX_IsOdd(iRotation)) {
|
| - iCharWidth = 1000;
|
| - } else {
|
| - m_pFont->GetCharWidth(wForm, iCharWidth, FALSE);
|
| - }
|
| - if (wForm == 0xFEFF) {
|
| - iCharWidth = m_iDefChar;
|
| - }
|
| - iCharWidth *= m_iFontSize;
|
| - iCharWidth = iCharWidth * m_iHorScale / 100;
|
| - }
|
| - pCurChar->m_iCharWidth = iCharWidth;
|
| - iLineWidth += iCharWidth;
|
| - m_pCurLine->m_iArabicChars++;
|
| - if (!m_bSingleLine && iLineWidth > m_iLineWidth + m_iTolerance) {
|
| - return EndBreak(FX_TXTBREAK_LineBreak);
|
| - }
|
| - return FX_TXTBREAK_None;
|
| -}
|
| -FX_DWORD CFX_TxtBreak::AppendChar_Others(CFX_Char* pCurChar,
|
| - int32_t iRotation) {
|
| - FX_DWORD dwProps = pCurChar->m_dwCharProps;
|
| - FX_DWORD dwType = (dwProps & FX_CHARTYPEBITSMASK);
|
| - int32_t& iLineWidth = m_pCurLine->m_iWidth;
|
| - int32_t iCharWidth = 0;
|
| - m_dwCharType = dwType;
|
| - FX_WCHAR wch = pCurChar->m_wCharCode;
|
| - FX_WCHAR wForm = wch;
|
| - if (dwType == FX_CHARTYPE_Numeric) {
|
| - if (m_bArabicNumber) {
|
| - wForm = wch + 0x0630;
|
| - pCurChar->m_dwCharStyles |= FX_TXTCHARSTYLE_ArabicIndic;
|
| - }
|
| - } else if (wch == L',') {
|
| - if (m_bArabicShapes && m_iCurArabicContext > 0) {
|
| - wForm = 0x060C;
|
| - pCurChar->m_dwCharStyles |= FX_TXTCHARSTYLE_ArabicComma;
|
| - }
|
| - } else if (m_bCurRTL || m_bVertical) {
|
| - wForm = FX_GetMirrorChar(wch, dwProps, m_bCurRTL, m_bVertical);
|
| - }
|
| - if (m_bCombText) {
|
| - iCharWidth = m_iCombWidth;
|
| - } else {
|
| - if (m_bVertical != FX_IsOdd(iRotation)) {
|
| - iCharWidth = 1000;
|
| - } else if (!m_pFont->GetCharWidth(wForm, iCharWidth, FALSE)) {
|
| - iCharWidth = m_iDefChar;
|
| - }
|
| - iCharWidth *= m_iFontSize;
|
| - iCharWidth = iCharWidth * m_iHorScale / 100;
|
| - }
|
| - iCharWidth += m_iCharSpace;
|
| - pCurChar->m_iCharWidth = iCharWidth;
|
| - iLineWidth += iCharWidth;
|
| - FX_BOOL bBreak = (dwType != FX_CHARTYPE_Space ||
|
| - (m_dwPolicies & FX_TXTBREAKPOLICY_SpaceBreak) != 0);
|
| - if (!m_bSingleLine && bBreak && iLineWidth > m_iLineWidth + m_iTolerance) {
|
| - return EndBreak(FX_TXTBREAK_LineBreak);
|
| - }
|
| - return FX_TXTBREAK_None;
|
| -}
|
| -typedef FX_DWORD (CFX_TxtBreak::*FX_TxtBreak_LPFAppendChar)(CFX_Char* pCurChar,
|
| - int32_t iRotation);
|
| -static const FX_TxtBreak_LPFAppendChar g_FX_TxtBreak_lpfAppendChar[16] = {
|
| - &CFX_TxtBreak::AppendChar_Others, &CFX_TxtBreak::AppendChar_Tab,
|
| - &CFX_TxtBreak::AppendChar_Others, &CFX_TxtBreak::AppendChar_Control,
|
| - &CFX_TxtBreak::AppendChar_Combination, &CFX_TxtBreak::AppendChar_Others,
|
| - &CFX_TxtBreak::AppendChar_Others, &CFX_TxtBreak::AppendChar_Arabic,
|
| - &CFX_TxtBreak::AppendChar_Arabic, &CFX_TxtBreak::AppendChar_Arabic,
|
| - &CFX_TxtBreak::AppendChar_Arabic, &CFX_TxtBreak::AppendChar_Arabic,
|
| - &CFX_TxtBreak::AppendChar_Arabic, &CFX_TxtBreak::AppendChar_Others,
|
| - &CFX_TxtBreak::AppendChar_Others, &CFX_TxtBreak::AppendChar_Others,
|
| -};
|
| -FX_DWORD CFX_TxtBreak::AppendChar(FX_WCHAR wch) {
|
| - FX_DWORD dwProps = kTextLayoutCodeProperties[(FX_WORD)wch];
|
| - FX_DWORD dwType = (dwProps & FX_CHARTYPEBITSMASK);
|
| - CFX_TxtChar* pCurChar = m_pCurLine->m_pLineChars->AddSpace();
|
| - pCurChar->m_wCharCode = (FX_WORD)wch;
|
| - pCurChar->m_nRotation = m_iCharRotation;
|
| - pCurChar->m_dwCharProps = dwProps;
|
| - pCurChar->m_dwCharStyles = 0;
|
| - pCurChar->m_iCharWidth = 0;
|
| - pCurChar->m_iHorizontalScale = m_iHorScale;
|
| - pCurChar->m_iVertialScale = m_iVerScale;
|
| - pCurChar->m_dwStatus = 0;
|
| - pCurChar->m_iBidiClass = 0;
|
| - pCurChar->m_iBidiLevel = 0;
|
| - pCurChar->m_iBidiPos = 0;
|
| - pCurChar->m_iBidiOrder = 0;
|
| - pCurChar->m_pUserData = NULL;
|
| - AppendChar_PageLoad(pCurChar, dwProps);
|
| - FX_DWORD dwRet1 = FX_TXTBREAK_None;
|
| - if (dwType != FX_CHARTYPE_Combination &&
|
| - GetUnifiedCharType(m_dwCharType) != GetUnifiedCharType(dwType)) {
|
| - if (m_dwCharType > 0 &&
|
| - m_pCurLine->m_iWidth > m_iLineWidth + m_iTolerance && !m_bSingleLine) {
|
| - if (m_dwCharType != FX_CHARTYPE_Space || dwType != FX_CHARTYPE_Control) {
|
| - dwRet1 = EndBreak(FX_TXTBREAK_LineBreak);
|
| - int32_t iCount = m_pCurLine->CountChars();
|
| - if (iCount > 0) {
|
| - pCurChar = m_pCurLine->m_pLineChars->GetDataPtr(iCount - 1);
|
| - }
|
| - }
|
| - }
|
| - }
|
| - int32_t iRotation = m_iRotation;
|
| - if (m_bVertical && (dwProps & 0x8000) != 0) {
|
| - iRotation = (iRotation + 1) % 4;
|
| - }
|
| - FX_DWORD dwRet2 =
|
| - (this->*g_FX_TxtBreak_lpfAppendChar[dwType >> FX_CHARTYPEBITS])(
|
| - pCurChar, iRotation);
|
| - return std::max(dwRet1, dwRet2);
|
| -}
|
| -void CFX_TxtBreak::EndBreak_UpdateArabicShapes() {
|
| - FXSYS_assert(m_bArabicShapes);
|
| - int32_t iCount = m_pCurLine->CountChars();
|
| - if (iCount < 2) {
|
| - return;
|
| - }
|
| - int32_t& iLineWidth = m_pCurLine->m_iWidth;
|
| - CFX_Char *pCur, *pNext;
|
| - pCur = m_pCurLine->GetCharPtr(0);
|
| - FX_BOOL bPrevNum = (pCur->m_dwCharStyles & FX_TXTCHARSTYLE_ArabicIndic) != 0;
|
| - pCur = m_pCurLine->GetCharPtr(1);
|
| - FX_WCHAR wch, wForm;
|
| - FX_BOOL bNextNum;
|
| - int32_t i = 1, iCharWidth, iRotation;
|
| - do {
|
| - i++;
|
| - if (i < iCount) {
|
| - pNext = m_pCurLine->GetCharPtr(i);
|
| - bNextNum = (pNext->m_dwCharStyles & FX_TXTCHARSTYLE_ArabicIndic) != 0;
|
| - } else {
|
| - pNext = NULL;
|
| - bNextNum = FALSE;
|
| - }
|
| - wch = pCur->m_wCharCode;
|
| - if (wch == L'.') {
|
| - if (bPrevNum && bNextNum) {
|
| - iRotation = m_iRotation;
|
| - if (m_bVertical && (pCur->m_dwCharProps & 0x8000) != 0) {
|
| - iRotation = ((iRotation + 1) & 0x03);
|
| - }
|
| - wForm = wch == L'.' ? 0x066B : 0x066C;
|
| - iLineWidth -= pCur->m_iCharWidth;
|
| - if (m_bCombText) {
|
| - iCharWidth = m_iCombWidth;
|
| - } else {
|
| - if (m_bVertical != FX_IsOdd(iRotation)) {
|
| - iCharWidth = 1000;
|
| - } else if (!m_pFont->GetCharWidth(wForm, iCharWidth, FALSE)) {
|
| - iCharWidth = m_iDefChar;
|
| - }
|
| - iCharWidth *= m_iFontSize;
|
| - iCharWidth = iCharWidth * m_iHorScale / 100;
|
| - }
|
| - pCur->m_iCharWidth = iCharWidth;
|
| - iLineWidth += iCharWidth;
|
| - }
|
| - }
|
| - bPrevNum = (pCur->m_dwCharStyles & FX_TXTCHARSTYLE_ArabicIndic) != 0;
|
| - pCur = pNext;
|
| - } while (i < iCount);
|
| -}
|
| -FX_BOOL CFX_TxtBreak::EndBreak_SplitLine(CFX_TxtLine* pNextLine,
|
| - FX_BOOL bAllChars,
|
| - FX_DWORD dwStatus) {
|
| - int32_t iCount = m_pCurLine->CountChars();
|
| - FX_BOOL bDone = FALSE;
|
| - CFX_Char* pTC;
|
| - if (!m_bSingleLine && m_pCurLine->m_iWidth > m_iLineWidth + m_iTolerance) {
|
| - pTC = m_pCurLine->GetCharPtr(iCount - 1);
|
| - switch (pTC->GetCharType()) {
|
| - case FX_CHARTYPE_Tab:
|
| - case FX_CHARTYPE_Control:
|
| - break;
|
| - case FX_CHARTYPE_Space:
|
| - if ((m_dwPolicies & FX_TXTBREAKPOLICY_SpaceBreak) != 0) {
|
| - SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars);
|
| - bDone = TRUE;
|
| - }
|
| - break;
|
| - default:
|
| - SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars);
|
| - bDone = TRUE;
|
| - break;
|
| - }
|
| - }
|
| - iCount = m_pCurLine->CountChars();
|
| - CFX_TxtPieceArray* pCurPieces = m_pCurLine->m_pLinePieces;
|
| - CFX_TxtPiece tp;
|
| - if (m_bPagination) {
|
| - tp.m_dwStatus = dwStatus;
|
| - tp.m_iStartPos = m_pCurLine->m_iStart;
|
| - tp.m_iWidth = m_pCurLine->m_iWidth;
|
| - tp.m_iStartChar = 0;
|
| - tp.m_iChars = iCount;
|
| - tp.m_pChars = m_pCurLine->m_pLineChars;
|
| - tp.m_pUserData = m_pUserData;
|
| - pTC = m_pCurLine->GetCharPtr(0);
|
| - tp.m_dwCharStyles = pTC->m_dwCharStyles;
|
| - tp.m_iHorizontalScale = pTC->m_iHorizontalScale;
|
| - tp.m_iVerticalScale = pTC->m_iVertialScale;
|
| - pCurPieces->Add(tp);
|
| - m_pCurLine = pNextLine;
|
| - m_dwCharType = 0;
|
| - return TRUE;
|
| - }
|
| - if (bAllChars && !bDone) {
|
| - int32_t iEndPos = m_pCurLine->m_iWidth;
|
| - GetBreakPos(*m_pCurLine->m_pLineChars, iEndPos, bAllChars, TRUE);
|
| - }
|
| - return FALSE;
|
| -}
|
| -void CFX_TxtBreak::EndBreak_BidiLine(CFX_TPOArray& tpos, FX_DWORD dwStatus) {
|
| - CFX_TxtPiece tp;
|
| - FX_TPO tpo;
|
| - CFX_TxtChar* pTC;
|
| - int32_t i, j;
|
| - CFX_TxtCharArray& chars = *m_pCurLine->m_pLineChars;
|
| - int32_t iCount = m_pCurLine->CountChars();
|
| - FX_BOOL bDone = (m_pCurLine->m_iArabicChars > 0 || m_bCurRTL);
|
| - if (!m_bPagination && bDone) {
|
| - int32_t iBidiNum = 0;
|
| - for (i = 0; i < iCount; i++) {
|
| - pTC = chars.GetDataPtr(i);
|
| - pTC->m_iBidiPos = i;
|
| - if (pTC->GetCharType() != FX_CHARTYPE_Control) {
|
| - iBidiNum = i;
|
| - }
|
| - if (i == 0) {
|
| - pTC->m_iBidiLevel = 1;
|
| - }
|
| - }
|
| - FX_BidiLine(chars, iBidiNum + 1, m_bCurRTL ? 1 : 0);
|
| - }
|
| - CFX_TxtPieceArray* pCurPieces = m_pCurLine->m_pLinePieces;
|
| - if (!m_bPagination &&
|
| - (bDone || (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_MutipleFormat) != 0)) {
|
| - tp.m_dwStatus = FX_TXTBREAK_PieceBreak;
|
| - tp.m_iStartPos = m_pCurLine->m_iStart;
|
| - tp.m_pChars = m_pCurLine->m_pLineChars;
|
| - int32_t iBidiLevel = -1, iCharWidth;
|
| - i = 0, j = -1;
|
| - while (i < iCount) {
|
| - pTC = chars.GetDataPtr(i);
|
| - if (iBidiLevel < 0) {
|
| - iBidiLevel = pTC->m_iBidiLevel;
|
| - tp.m_iWidth = 0;
|
| - tp.m_iBidiLevel = iBidiLevel;
|
| - tp.m_iBidiPos = pTC->m_iBidiOrder;
|
| - tp.m_dwCharStyles = pTC->m_dwCharStyles;
|
| - tp.m_pUserData = pTC->m_pUserData;
|
| - tp.m_iHorizontalScale = pTC->m_iHorizontalScale;
|
| - tp.m_iVerticalScale = pTC->m_iVertialScale;
|
| - tp.m_dwStatus = FX_TXTBREAK_PieceBreak;
|
| - }
|
| - if (iBidiLevel != pTC->m_iBidiLevel || pTC->m_dwStatus != 0) {
|
| - if (iBidiLevel == pTC->m_iBidiLevel) {
|
| - tp.m_dwStatus = pTC->m_dwStatus;
|
| - iCharWidth = pTC->m_iCharWidth;
|
| - if (iCharWidth > 0) {
|
| - tp.m_iWidth += iCharWidth;
|
| - }
|
| - i++;
|
| - }
|
| - tp.m_iChars = i - tp.m_iStartChar;
|
| - pCurPieces->Add(tp);
|
| - tp.m_iStartPos += tp.m_iWidth;
|
| - tp.m_iStartChar = i;
|
| - tpo.index = ++j;
|
| - tpo.pos = tp.m_iBidiPos;
|
| - tpos.Add(tpo);
|
| - iBidiLevel = -1;
|
| - } else {
|
| - iCharWidth = pTC->m_iCharWidth;
|
| - if (iCharWidth > 0) {
|
| - tp.m_iWidth += iCharWidth;
|
| - }
|
| - i++;
|
| - }
|
| - }
|
| - if (i > tp.m_iStartChar) {
|
| - tp.m_dwStatus = dwStatus;
|
| - tp.m_iChars = i - tp.m_iStartChar;
|
| - pCurPieces->Add(tp);
|
| - tpo.index = ++j;
|
| - tpo.pos = tp.m_iBidiPos;
|
| - tpos.Add(tpo);
|
| - }
|
| - if (j > -1) {
|
| - if (j > 0) {
|
| - FX_TEXTLAYOUT_PieceSort(tpos, 0, j);
|
| - int32_t iStartPos = 0;
|
| - for (i = 0; i <= j; i++) {
|
| - tpo = tpos.GetAt(i);
|
| - CFX_TxtPiece& ttp = pCurPieces->GetAt(tpo.index);
|
| - ttp.m_iStartPos = iStartPos;
|
| - iStartPos += ttp.m_iWidth;
|
| - }
|
| - }
|
| - CFX_TxtPiece& ttp = pCurPieces->GetAt(j);
|
| - ttp.m_dwStatus = dwStatus;
|
| - }
|
| - } else {
|
| - tp.m_dwStatus = dwStatus;
|
| - tp.m_iStartPos = m_pCurLine->m_iStart;
|
| - tp.m_iWidth = m_pCurLine->m_iWidth;
|
| - tp.m_iStartChar = 0;
|
| - tp.m_iChars = iCount;
|
| - tp.m_pChars = m_pCurLine->m_pLineChars;
|
| - tp.m_pUserData = m_pUserData;
|
| - pTC = chars.GetDataPtr(0);
|
| - tp.m_dwCharStyles = pTC->m_dwCharStyles;
|
| - tp.m_iHorizontalScale = pTC->m_iHorizontalScale;
|
| - tp.m_iVerticalScale = pTC->m_iVertialScale;
|
| - pCurPieces->Add(tp);
|
| - tpo.index = 0;
|
| - tpo.pos = 0;
|
| - tpos.Add(tpo);
|
| - }
|
| -}
|
| -void CFX_TxtBreak::EndBreak_Alignment(CFX_TPOArray& tpos,
|
| - FX_BOOL bAllChars,
|
| - FX_DWORD dwStatus) {
|
| - int32_t iNetWidth = m_pCurLine->m_iWidth, iGapChars = 0, iCharWidth;
|
| - CFX_TxtPieceArray* pCurPieces = m_pCurLine->m_pLinePieces;
|
| - int32_t i, j, iCount = pCurPieces->GetSize();
|
| - FX_BOOL bFind = FALSE;
|
| - FX_TPO tpo;
|
| - CFX_TxtChar* pTC;
|
| - FX_DWORD dwCharType;
|
| - for (i = iCount - 1; i > -1; i--) {
|
| - tpo = tpos.GetAt(i);
|
| - CFX_TxtPiece& ttp = pCurPieces->GetAt(tpo.index);
|
| - if (!bFind) {
|
| - iNetWidth = ttp.GetEndPos();
|
| - }
|
| - FX_BOOL bArabic = FX_IsOdd(ttp.m_iBidiLevel);
|
| - j = bArabic ? 0 : ttp.m_iChars - 1;
|
| - while (j > -1 && j < ttp.m_iChars) {
|
| - pTC = ttp.GetCharPtr(j);
|
| - if (pTC->m_nBreakType == FX_LBT_DIRECT_BRK) {
|
| - iGapChars++;
|
| - }
|
| - if (!bFind || !bAllChars) {
|
| - dwCharType = pTC->GetCharType();
|
| - if (dwCharType == FX_CHARTYPE_Space ||
|
| - dwCharType == FX_CHARTYPE_Control) {
|
| - if (!bFind) {
|
| - iCharWidth = pTC->m_iCharWidth;
|
| - if (bAllChars && iCharWidth > 0) {
|
| - iNetWidth -= iCharWidth;
|
| - }
|
| - }
|
| - } else {
|
| - bFind = TRUE;
|
| - if (!bAllChars) {
|
| - break;
|
| - }
|
| - }
|
| - }
|
| - j += bArabic ? 1 : -1;
|
| - }
|
| - if (!bAllChars && bFind) {
|
| - break;
|
| - }
|
| - }
|
| - int32_t iOffset = m_iLineWidth - iNetWidth;
|
| - int32_t iLowerAlignment = (m_iCurAlignment & FX_TXTLINEALIGNMENT_LowerMask);
|
| - int32_t iHigherAlignment = (m_iCurAlignment & FX_TXTLINEALIGNMENT_HigherMask);
|
| - if (iGapChars > 0 && (iHigherAlignment == FX_TXTLINEALIGNMENT_Distributed ||
|
| - (iHigherAlignment == FX_TXTLINEALIGNMENT_Justified &&
|
| - dwStatus != FX_TXTBREAK_ParagraphBreak))) {
|
| - int32_t iStart = -1;
|
| - for (i = 0; i < iCount; i++) {
|
| - tpo = tpos.GetAt(i);
|
| - CFX_TxtPiece& ttp = pCurPieces->GetAt(tpo.index);
|
| - if (iStart < -1) {
|
| - iStart = ttp.m_iStartPos;
|
| - } else {
|
| - ttp.m_iStartPos = iStart;
|
| - }
|
| - int32_t k;
|
| - for (j = 0; j < ttp.m_iChars; j++) {
|
| - pTC = ttp.GetCharPtr(j);
|
| - if (pTC->m_nBreakType != FX_LBT_DIRECT_BRK || pTC->m_iCharWidth < 0) {
|
| - continue;
|
| - }
|
| - k = iOffset / iGapChars;
|
| - pTC->m_iCharWidth += k;
|
| - ttp.m_iWidth += k;
|
| - iOffset -= k;
|
| - iGapChars--;
|
| - if (iGapChars < 1) {
|
| - break;
|
| - }
|
| - }
|
| - iStart += ttp.m_iWidth;
|
| - }
|
| - } else if (iLowerAlignment > FX_TXTLINEALIGNMENT_Left) {
|
| - if (iLowerAlignment == FX_TXTLINEALIGNMENT_Center) {
|
| - iOffset /= 2;
|
| - }
|
| - if (iOffset > 0) {
|
| - for (i = 0; i < iCount; i++) {
|
| - CFX_TxtPiece& ttp = pCurPieces->GetAt(i);
|
| - ttp.m_iStartPos += iOffset;
|
| - }
|
| - }
|
| - }
|
| -}
|
| -FX_DWORD CFX_TxtBreak::EndBreak(FX_DWORD dwStatus) {
|
| - FXSYS_assert(dwStatus >= FX_TXTBREAK_PieceBreak &&
|
| - dwStatus <= FX_TXTBREAK_PageBreak);
|
| - CFX_TxtPieceArray* pCurPieces = m_pCurLine->m_pLinePieces;
|
| - int32_t iCount = pCurPieces->GetSize();
|
| - if (iCount > 0) {
|
| - CFX_TxtPiece* pLastPiece = pCurPieces->GetPtrAt(--iCount);
|
| - if (dwStatus > FX_TXTBREAK_PieceBreak) {
|
| - pLastPiece->m_dwStatus = dwStatus;
|
| - } else {
|
| - dwStatus = pLastPiece->m_dwStatus;
|
| - }
|
| - return dwStatus;
|
| - } else {
|
| - CFX_TxtLine* pLastLine = GetTxtLine(TRUE);
|
| - if (pLastLine != NULL) {
|
| - pCurPieces = pLastLine->m_pLinePieces;
|
| - iCount = pCurPieces->GetSize();
|
| - if (iCount-- > 0) {
|
| - CFX_TxtPiece* pLastPiece = pCurPieces->GetPtrAt(iCount);
|
| - if (dwStatus > FX_TXTBREAK_PieceBreak) {
|
| - pLastPiece->m_dwStatus = dwStatus;
|
| - } else {
|
| - dwStatus = pLastPiece->m_dwStatus;
|
| - }
|
| - return dwStatus;
|
| - }
|
| - return FX_TXTBREAK_None;
|
| - }
|
| - iCount = m_pCurLine->CountChars();
|
| - if (iCount < 1) {
|
| - return FX_TXTBREAK_None;
|
| - }
|
| - if (!m_bPagination) {
|
| - CFX_TxtChar* pTC = m_pCurLine->GetCharPtr(iCount - 1);
|
| - pTC->m_dwStatus = dwStatus;
|
| - }
|
| - if (dwStatus <= FX_TXTBREAK_PieceBreak) {
|
| - return dwStatus;
|
| - }
|
| - }
|
| - m_iReady = (m_pCurLine == m_pTxtLine1) ? 1 : 2;
|
| - CFX_TxtLine* pNextLine =
|
| - (m_pCurLine == m_pTxtLine1) ? m_pTxtLine2 : m_pTxtLine1;
|
| - FX_BOOL bAllChars = (m_iCurAlignment > FX_TXTLINEALIGNMENT_Right);
|
| - CFX_TPOArray tpos;
|
| - CFX_Char* pTC;
|
| - if (m_bArabicShapes) {
|
| - EndBreak_UpdateArabicShapes();
|
| - }
|
| - if (EndBreak_SplitLine(pNextLine, bAllChars, dwStatus)) {
|
| - goto EndBreak_Ret;
|
| - }
|
| - EndBreak_BidiLine(tpos, dwStatus);
|
| - if (!m_bPagination && m_iCurAlignment > FX_TXTLINEALIGNMENT_Left) {
|
| - EndBreak_Alignment(tpos, bAllChars, dwStatus);
|
| - }
|
| -EndBreak_Ret:
|
| - m_pCurLine = pNextLine;
|
| - pTC = GetLastChar(0, FALSE);
|
| - m_dwCharType = pTC == NULL ? 0 : pTC->GetCharType();
|
| - if (dwStatus == FX_TXTBREAK_ParagraphBreak) {
|
| - m_iArabicContext = m_iCurArabicContext = 1;
|
| - ResetArabicContext();
|
| - }
|
| - return dwStatus;
|
| -}
|
| -int32_t CFX_TxtBreak::GetBreakPos(CFX_TxtCharArray& ca,
|
| - int32_t& iEndPos,
|
| - FX_BOOL bAllChars,
|
| - FX_BOOL bOnlyBrk) {
|
| - int32_t iLength = ca.GetSize() - 1;
|
| - if (iLength < 1) {
|
| - return iLength;
|
| - }
|
| - int32_t iBreak = -1, iBreakPos = -1, iIndirect = -1, iIndirectPos = -1,
|
| - iLast = -1, iLastPos = -1;
|
| - if (m_bSingleLine || iEndPos <= m_iLineWidth) {
|
| - if (!bAllChars) {
|
| - return iLength;
|
| - }
|
| - iBreak = iLength;
|
| - iBreakPos = iEndPos;
|
| - }
|
| - FX_BOOL bSpaceBreak = (m_dwPolicies & FX_TXTBREAKPOLICY_SpaceBreak) != 0;
|
| - FX_BOOL bNumberBreak = (m_dwPolicies & FX_TXTBREAKPOLICY_NumberBreak) != 0;
|
| - FX_LINEBREAKTYPE eType;
|
| - FX_DWORD nCodeProp, nCur, nNext;
|
| - CFX_Char* pCur = ca.GetDataPtr(iLength--);
|
| - if (bAllChars) {
|
| - pCur->m_nBreakType = FX_LBT_UNKNOWN;
|
| - }
|
| - nCodeProp = pCur->m_dwCharProps;
|
| - nNext = nCodeProp & 0x003F;
|
| - int32_t iCharWidth = pCur->m_iCharWidth;
|
| - if (iCharWidth > 0) {
|
| - iEndPos -= iCharWidth;
|
| - }
|
| - while (iLength >= 0) {
|
| - pCur = ca.GetDataPtr(iLength);
|
| - nCodeProp = pCur->m_dwCharProps;
|
| - nCur = nCodeProp & 0x003F;
|
| - if (nCur == FX_CBP_SP) {
|
| - if (nNext == FX_CBP_SP) {
|
| - eType = bSpaceBreak ? FX_LBT_DIRECT_BRK : FX_LBT_PROHIBITED_BRK;
|
| - } else {
|
| - eType = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable +
|
| - (nCur << 5) + nNext);
|
| - }
|
| - } else if (bNumberBreak && nCur == FX_CBP_NU && nNext == FX_CBP_NU) {
|
| - eType = FX_LBT_DIRECT_BRK;
|
| - } else {
|
| - if (nNext == FX_CBP_SP) {
|
| - eType = FX_LBT_PROHIBITED_BRK;
|
| - } else {
|
| - eType = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable +
|
| - (nCur << 5) + nNext);
|
| - }
|
| - }
|
| - if (bAllChars) {
|
| - pCur->m_nBreakType = (uint8_t)eType;
|
| - }
|
| - if (!bOnlyBrk) {
|
| - if (m_bSingleLine || iEndPos <= m_iLineWidth ||
|
| - (nCur == FX_CBP_SP && !bSpaceBreak)) {
|
| - if (eType == FX_LBT_DIRECT_BRK && iBreak < 0) {
|
| - iBreak = iLength;
|
| - iBreakPos = iEndPos;
|
| - if (!bAllChars) {
|
| - return iLength;
|
| - }
|
| - } else if (eType == FX_LBT_INDIRECT_BRK && iIndirect < 0) {
|
| - iIndirect = iLength;
|
| - iIndirectPos = iEndPos;
|
| - }
|
| - if (iLast < 0) {
|
| - iLast = iLength;
|
| - iLastPos = iEndPos;
|
| - }
|
| - }
|
| - iCharWidth = pCur->m_iCharWidth;
|
| - if (iCharWidth > 0) {
|
| - iEndPos -= iCharWidth;
|
| - }
|
| - }
|
| - nNext = nCodeProp & 0x003F;
|
| - iLength--;
|
| - }
|
| - if (bOnlyBrk) {
|
| - return 0;
|
| - }
|
| - if (iBreak > -1) {
|
| - iEndPos = iBreakPos;
|
| - return iBreak;
|
| - }
|
| - if (iIndirect > -1) {
|
| - iEndPos = iIndirectPos;
|
| - return iIndirect;
|
| - }
|
| - if (iLast > -1) {
|
| - iEndPos = iLastPos;
|
| - return iLast;
|
| - }
|
| - return 0;
|
| -}
|
| -void CFX_TxtBreak::SplitTextLine(CFX_TxtLine* pCurLine,
|
| - CFX_TxtLine* pNextLine,
|
| - FX_BOOL bAllChars) {
|
| - FXSYS_assert(pCurLine != NULL && pNextLine != NULL);
|
| - int32_t iCount = pCurLine->CountChars();
|
| - if (iCount < 2) {
|
| - return;
|
| - }
|
| - int32_t iEndPos = pCurLine->m_iWidth;
|
| - CFX_TxtCharArray& curChars = *pCurLine->m_pLineChars;
|
| - int32_t iCharPos = GetBreakPos(curChars, iEndPos, bAllChars, FALSE);
|
| - if (iCharPos < 0) {
|
| - iCharPos = 0;
|
| - }
|
| - iCharPos++;
|
| - if (iCharPos >= iCount) {
|
| - pNextLine->RemoveAll(TRUE);
|
| - CFX_Char* pTC = curChars.GetDataPtr(iCharPos - 1);
|
| - pTC->m_nBreakType = FX_LBT_UNKNOWN;
|
| - return;
|
| - }
|
| - CFX_TxtCharArray& nextChars = *pNextLine->m_pLineChars;
|
| - int cur_size = curChars.GetSize();
|
| - nextChars.SetSize(cur_size - iCharPos);
|
| - FXSYS_memcpy(nextChars.GetData(), curChars.GetDataPtr(iCharPos),
|
| - (cur_size - iCharPos) * sizeof(CFX_TxtChar));
|
| - iCount -= iCharPos;
|
| - cur_size = curChars.GetSize();
|
| - curChars.RemoveAt(cur_size - iCount, iCount);
|
| - pCurLine->m_iWidth = iEndPos;
|
| - CFX_TxtChar* pTC = curChars.GetDataPtr(iCharPos - 1);
|
| - pTC->m_nBreakType = FX_LBT_UNKNOWN;
|
| - iCount = nextChars.GetSize();
|
| - int32_t iCharWidth, iWidth = 0;
|
| - for (int32_t i = 0; i < iCount; i++) {
|
| - pTC = nextChars.GetDataPtr(i);
|
| - if (pTC->GetCharType() >= FX_CHARTYPE_ArabicAlef) {
|
| - pCurLine->m_iArabicChars--;
|
| - pNextLine->m_iArabicChars++;
|
| - }
|
| - iCharWidth = pTC->m_iCharWidth;
|
| - if (iCharWidth > 0) {
|
| - iWidth += iCharWidth;
|
| - }
|
| - if (m_bPagination) {
|
| - continue;
|
| - }
|
| - pTC->m_dwStatus = 0;
|
| - }
|
| - pNextLine->m_iWidth = iWidth;
|
| -}
|
| -int32_t CFX_TxtBreak::CountBreakChars() const {
|
| - CFX_TxtLine* pTxtLine = GetTxtLine(TRUE);
|
| - return pTxtLine == NULL ? 0 : pTxtLine->CountChars();
|
| -}
|
| -int32_t CFX_TxtBreak::CountBreakPieces() const {
|
| - CFX_TxtPieceArray* pTxtPieces = GetTxtPieces(TRUE);
|
| - if (pTxtPieces == NULL) {
|
| - return 0;
|
| - }
|
| - return pTxtPieces->GetSize();
|
| -}
|
| -const CFX_TxtPiece* CFX_TxtBreak::GetBreakPiece(int32_t index) const {
|
| - CFX_TxtPieceArray* pTxtPieces = GetTxtPieces(TRUE);
|
| - if (pTxtPieces == NULL) {
|
| - return NULL;
|
| - }
|
| - if (index < 0 || index >= pTxtPieces->GetSize()) {
|
| - return NULL;
|
| - }
|
| - return pTxtPieces->GetPtrAt(index);
|
| -}
|
| -void CFX_TxtBreak::ClearBreakPieces() {
|
| - CFX_TxtLine* pTxtLine = GetTxtLine(TRUE);
|
| - if (pTxtLine != NULL) {
|
| - pTxtLine->RemoveAll(TRUE);
|
| - }
|
| - m_iReady = 0;
|
| -}
|
| -void CFX_TxtBreak::Reset() {
|
| - m_dwCharType = 0;
|
| - m_iArabicContext = m_iCurArabicContext = 1;
|
| - ResetArabicContext();
|
| - m_pTxtLine1->RemoveAll(TRUE);
|
| - m_pTxtLine2->RemoveAll(TRUE);
|
| -}
|
| -typedef struct _FX_FORMCHAR {
|
| - FX_WORD wch;
|
| - FX_WORD wForm;
|
| - int32_t iWidth;
|
| -} FX_FORMCHAR, *FX_LPFORMCHAR;
|
| -typedef FX_FORMCHAR const* FX_LPCFORMCHAR;
|
| -int32_t CFX_TxtBreak::GetDisplayPos(FX_LPCTXTRUN pTxtRun,
|
| - FXTEXT_CHARPOS* pCharPos,
|
| - FX_BOOL bCharCode,
|
| - CFX_WideString* pWSForms,
|
| - FX_AdjustCharDisplayPos pAdjustPos) const {
|
| - if (pTxtRun == NULL || pTxtRun->iLength < 1) {
|
| - return 0;
|
| - }
|
| - IFX_TxtAccess* pAccess = pTxtRun->pAccess;
|
| - void* pIdentity = pTxtRun->pIdentity;
|
| - const FX_WCHAR* pStr = pTxtRun->pStr;
|
| - int32_t* pWidths = pTxtRun->pWidths;
|
| - int32_t iLength = pTxtRun->iLength - 1;
|
| - IFX_Font* pFont = pTxtRun->pFont;
|
| - FX_DWORD dwStyles = pTxtRun->dwStyles;
|
| - CFX_RectF rtText(*pTxtRun->pRect);
|
| - FX_BOOL bRTLPiece =
|
| - (pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_OddBidiLevel) != 0;
|
| - FX_BOOL bArabicNumber =
|
| - (pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_ArabicNumber) != 0;
|
| - FX_BOOL bArabicComma =
|
| - (pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_ArabicComma) != 0;
|
| - FX_FLOAT fFontSize = pTxtRun->fFontSize;
|
| - int32_t iFontSize = FXSYS_round(fFontSize * 20.0f);
|
| - int32_t iAscent = pFont->GetAscent();
|
| - int32_t iDescent = pFont->GetDescent();
|
| - int32_t iMaxHeight = iAscent - iDescent;
|
| - FX_FLOAT fFontHeight = fFontSize;
|
| - FX_FLOAT fAscent = fFontHeight * (FX_FLOAT)iAscent / (FX_FLOAT)iMaxHeight;
|
| - FX_FLOAT fDescent = fFontHeight * (FX_FLOAT)iDescent / (FX_FLOAT)iMaxHeight;
|
| - FX_BOOL bVerticalDoc = (dwStyles & FX_TXTLAYOUTSTYLE_VerticalLayout) != 0;
|
| - FX_BOOL bVerticalChar = (dwStyles & FX_TXTLAYOUTSTYLE_VerticalChars) != 0;
|
| - int32_t iRotation = GetLineRotation(dwStyles) + pTxtRun->iCharRotation;
|
| - int32_t iCharRotation;
|
| - FX_WCHAR wch, wPrev = 0xFEFF, wNext, wForm, wLast = 0xFEFF;
|
| - int32_t iWidth, iCharWidth, iCharHeight;
|
| - FX_FLOAT fX, fY, fCharWidth, fCharHeight;
|
| - int32_t iHorScale = pTxtRun->iHorizontalScale;
|
| - int32_t iVerScale = pTxtRun->iVerticalScale;
|
| - FX_BOOL bSkipSpace = pTxtRun->bSkipSpace;
|
| - FX_BOOL bEmptyChar, bShadda = FALSE, bLam = FALSE;
|
| - FX_DWORD dwProps, dwCharType;
|
| - FX_FORMCHAR formChars[3];
|
| - FX_FLOAT fYBase;
|
| - fX = rtText.left;
|
| - if (bVerticalDoc) {
|
| - fX += (rtText.width - fFontSize) / 2.0f;
|
| - fYBase = bRTLPiece ? rtText.bottom() : rtText.top;
|
| - fY = fYBase;
|
| - } else {
|
| - if (bRTLPiece) {
|
| - fX = rtText.right();
|
| - }
|
| - fYBase = rtText.top + (rtText.height - fFontSize) / 2.0f;
|
| - fY = fYBase + fAscent;
|
| - }
|
| - int32_t iCount = 0, iNext, iForms;
|
| - for (int32_t i = 0; i <= iLength; i++) {
|
| - if (pAccess != NULL) {
|
| - wch = pAccess->GetChar(pIdentity, i);
|
| - iWidth = pAccess->GetWidth(pIdentity, i);
|
| - } else {
|
| - wch = *pStr++;
|
| - iWidth = *pWidths++;
|
| - }
|
| - dwProps = FX_GetUnicodeProperties(wch);
|
| - dwCharType = (dwProps & FX_CHARTYPEBITSMASK);
|
| - if (dwCharType == FX_CHARTYPE_ArabicAlef && iWidth == 0) {
|
| - wPrev = 0xFEFF;
|
| - wLast = wch;
|
| - continue;
|
| - }
|
| - if (dwCharType >= FX_CHARTYPE_ArabicAlef) {
|
| - if (i < iLength) {
|
| - if (pAccess != NULL) {
|
| - iNext = i + 1;
|
| - while (iNext <= iLength) {
|
| - wNext = pAccess->GetChar(pIdentity, iNext);
|
| - dwProps = FX_GetUnicodeProperties(wNext);
|
| - if ((dwProps & FX_CHARTYPEBITSMASK) != FX_CHARTYPE_Combination) {
|
| - break;
|
| - }
|
| - iNext++;
|
| - }
|
| - if (iNext > iLength) {
|
| - wNext = 0xFEFF;
|
| - }
|
| - } else {
|
| - int32_t j = -1;
|
| - do {
|
| - j++;
|
| - if (i + j >= iLength) {
|
| - break;
|
| - }
|
| - wNext = pStr[j];
|
| - dwProps = FX_GetUnicodeProperties(wNext);
|
| - } while ((dwProps & FX_CHARTYPEBITSMASK) == FX_CHARTYPE_Combination);
|
| - if (i + j >= iLength) {
|
| - wNext = 0xFEFF;
|
| - }
|
| - }
|
| - } else {
|
| - wNext = 0xFEFF;
|
| - }
|
| - wForm = m_pArabicChar->GetFormChar(wch, wPrev, wNext);
|
| - bLam = (wPrev == 0x0644 && wch == 0x0644 && wNext == 0x0647);
|
| - } else if (dwCharType == FX_CHARTYPE_Combination) {
|
| - wForm = wch;
|
| - if (wch >= 0x064C && wch <= 0x0651) {
|
| - if (bShadda) {
|
| - wForm = 0xFEFF;
|
| - bShadda = FALSE;
|
| - } else {
|
| - wNext = 0xFEFF;
|
| - if (pAccess != NULL) {
|
| - iNext = i + 1;
|
| - if (iNext <= iLength) {
|
| - wNext = pAccess->GetChar(pIdentity, iNext);
|
| - }
|
| - } else {
|
| - if (i < iLength) {
|
| - wNext = *pStr;
|
| - }
|
| - }
|
| - if (wch == 0x0651) {
|
| - if (wNext >= 0x064C && wNext <= 0x0650) {
|
| - wForm = FX_GetArabicFromShaddaTable(wNext);
|
| - bShadda = TRUE;
|
| - }
|
| - } else {
|
| - if (wNext == 0x0651) {
|
| - wForm = FX_GetArabicFromShaddaTable(wch);
|
| - bShadda = TRUE;
|
| - }
|
| - }
|
| - }
|
| - } else {
|
| - bShadda = FALSE;
|
| - }
|
| - } else if (dwCharType == FX_CHARTYPE_Numeric) {
|
| - wForm = wch;
|
| - if (bArabicNumber) {
|
| - wForm += 0x0630;
|
| - }
|
| - } else if (wch == L'.') {
|
| - wForm = wch;
|
| - if (bArabicNumber) {
|
| - wNext = 0xFEFF;
|
| - if (pAccess != NULL) {
|
| - iNext = i + 1;
|
| - if (iNext <= iLength) {
|
| - wNext = pAccess->GetChar(pIdentity, iNext);
|
| - }
|
| - } else {
|
| - if (i < iLength) {
|
| - wNext = *pStr;
|
| - }
|
| - }
|
| - if (wNext >= L'0' && wNext <= L'9') {
|
| - wForm = 0x066B;
|
| - }
|
| - }
|
| - } else if (wch == L',') {
|
| - wForm = wch;
|
| - if (bArabicComma) {
|
| - wForm = 0x060C;
|
| - }
|
| - } else if (bRTLPiece || bVerticalChar) {
|
| - wForm = FX_GetMirrorChar(wch, dwProps, bRTLPiece, bVerticalChar);
|
| - } else {
|
| - wForm = wch;
|
| - }
|
| - if (dwCharType != FX_CHARTYPE_Combination) {
|
| - bShadda = FALSE;
|
| - }
|
| - if (dwCharType < FX_CHARTYPE_ArabicAlef) {
|
| - bLam = FALSE;
|
| - }
|
| - dwProps = FX_GetUnicodeProperties(wForm);
|
| - iCharRotation = iRotation;
|
| - if (bVerticalChar && (dwProps & 0x8000) != 0) {
|
| - iCharRotation++;
|
| - }
|
| - iCharRotation %= 4;
|
| - bEmptyChar =
|
| - (dwCharType >= FX_CHARTYPE_Tab && dwCharType <= FX_CHARTYPE_Control);
|
| - if (wForm == 0xFEFF) {
|
| - bEmptyChar = TRUE;
|
| - }
|
| - iForms = bLam ? 3 : 1;
|
| - iCount += (bEmptyChar && bSkipSpace) ? 0 : iForms;
|
| - if (pCharPos == NULL) {
|
| - if (iWidth > 0) {
|
| - wPrev = wch;
|
| - }
|
| - wLast = wch;
|
| - continue;
|
| - }
|
| - iCharWidth = iWidth;
|
| - if (iCharWidth < 0) {
|
| - iCharWidth = -iCharWidth;
|
| - }
|
| - iCharWidth /= iFontSize;
|
| - formChars[0].wch = wch;
|
| - formChars[0].wForm = wForm;
|
| - formChars[0].iWidth = iCharWidth;
|
| - if (bLam) {
|
| - formChars[1].wForm = 0x0651;
|
| - iCharWidth = 0;
|
| - pFont->GetCharWidth(0x0651, iCharWidth, FALSE);
|
| - formChars[1].iWidth = iCharWidth;
|
| - formChars[2].wForm = 0x0670;
|
| - iCharWidth = 0;
|
| - pFont->GetCharWidth(0x0670, iCharWidth, FALSE);
|
| - formChars[2].iWidth = iCharWidth;
|
| - }
|
| - for (int32_t j = 0; j < iForms; j++) {
|
| - wForm = (FX_WCHAR)formChars[j].wForm;
|
| - iCharWidth = formChars[j].iWidth;
|
| - if (j > 0) {
|
| - dwCharType = FX_CHARTYPE_Combination;
|
| - wch = wForm;
|
| - wLast = (FX_WCHAR)formChars[j - 1].wForm;
|
| - }
|
| - if (!bEmptyChar || (bEmptyChar && !bSkipSpace)) {
|
| - pCharPos->m_GlyphIndex =
|
| - bCharCode ? wch : pFont->GetGlyphIndex(wForm, FALSE);
|
| - pCharPos->m_ExtGID = pCharPos->m_GlyphIndex;
|
| - pCharPos->m_FontCharWidth = iCharWidth;
|
| - if (pWSForms) {
|
| - *pWSForms += wForm;
|
| - }
|
| - }
|
| - if (bVerticalDoc) {
|
| - iCharHeight = iCharWidth;
|
| - iCharWidth = 1000;
|
| - } else {
|
| - iCharHeight = 1000;
|
| - }
|
| - fCharWidth = fFontSize * iCharWidth / 1000.0f;
|
| - fCharHeight = fFontSize * iCharHeight / 1000.0f;
|
| - if (bRTLPiece && dwCharType != FX_CHARTYPE_Combination) {
|
| - if (bVerticalDoc) {
|
| - fY -= fCharHeight;
|
| - } else {
|
| - fX -= fCharWidth;
|
| - }
|
| - }
|
| - if (!bEmptyChar || (bEmptyChar && !bSkipSpace)) {
|
| - pCharPos->m_OriginX = fX;
|
| - pCharPos->m_OriginY = fY;
|
| - if ((dwStyles & FX_TXTLAYOUTSTYLE_CombText) != 0) {
|
| - int32_t iFormWidth = iCharWidth;
|
| - pFont->GetCharWidth(wForm, iFormWidth, FALSE);
|
| - FX_FLOAT fOffset = fFontSize * (iCharWidth - iFormWidth) / 2000.0f;
|
| - if (bVerticalDoc) {
|
| - pCharPos->m_OriginY += fOffset;
|
| - } else {
|
| - pCharPos->m_OriginX += fOffset;
|
| - }
|
| - }
|
| - if (dwCharType == FX_CHARTYPE_Combination) {
|
| - CFX_Rect rtBBox;
|
| - rtBBox.Reset();
|
| - if (pFont->GetCharBBox(wForm, rtBBox, FALSE)) {
|
| - pCharPos->m_OriginY =
|
| - fYBase + fFontSize -
|
| - fFontSize * (FX_FLOAT)rtBBox.height / (FX_FLOAT)iMaxHeight;
|
| - }
|
| - if (wForm == wch && wLast != 0xFEFF) {
|
| - FX_DWORD dwLastProps = FX_GetUnicodeProperties(wLast);
|
| - if ((dwLastProps & FX_CHARTYPEBITSMASK) ==
|
| - FX_CHARTYPE_Combination) {
|
| - CFX_Rect rtBBox;
|
| - rtBBox.Reset();
|
| - if (pFont->GetCharBBox(wLast, rtBBox, FALSE)) {
|
| - pCharPos->m_OriginY -= fFontSize * rtBBox.height / iMaxHeight;
|
| - }
|
| - }
|
| - }
|
| - }
|
| - CFX_PointF ptOffset;
|
| - ptOffset.Reset();
|
| - FX_BOOL bAdjusted = FALSE;
|
| - if (pAdjustPos) {
|
| - bAdjusted = pAdjustPos(wForm, bCharCode, pFont, fFontSize,
|
| - bVerticalChar, ptOffset);
|
| - }
|
| - if (!bAdjusted && bVerticalChar && (dwProps & 0x00010000) != 0) {
|
| - CFX_Rect rtBBox;
|
| - rtBBox.Reset();
|
| - if (pFont->GetCharBBox(wForm, rtBBox, FALSE)) {
|
| - ptOffset.x = fFontSize * (850 - rtBBox.right()) / iMaxHeight;
|
| - ptOffset.y = fFontSize * (iAscent - rtBBox.top - 150) / iMaxHeight;
|
| - }
|
| - }
|
| - pCharPos->m_OriginX += ptOffset.x;
|
| - pCharPos->m_OriginY -= ptOffset.y;
|
| - }
|
| - if (!bRTLPiece && dwCharType != FX_CHARTYPE_Combination) {
|
| - if (bVerticalDoc) {
|
| - fY += fCharHeight;
|
| - } else {
|
| - fX += fCharWidth;
|
| - }
|
| - }
|
| - if (!bEmptyChar || (bEmptyChar && !bSkipSpace)) {
|
| - pCharPos->m_bGlyphAdjust = TRUE;
|
| - if (bVerticalDoc) {
|
| - if (iCharRotation == 0) {
|
| - pCharPos->m_AdjustMatrix[0] = -1;
|
| - pCharPos->m_AdjustMatrix[1] = 0;
|
| - pCharPos->m_AdjustMatrix[2] = 0;
|
| - pCharPos->m_AdjustMatrix[3] = 1;
|
| - pCharPos->m_OriginY += fAscent;
|
| - } else if (iCharRotation == 1) {
|
| - pCharPos->m_AdjustMatrix[0] = 0;
|
| - pCharPos->m_AdjustMatrix[1] = -1;
|
| - pCharPos->m_AdjustMatrix[2] = -1;
|
| - pCharPos->m_AdjustMatrix[3] = 0;
|
| - pCharPos->m_OriginX -= fDescent;
|
| - } else if (iCharRotation == 2) {
|
| - pCharPos->m_AdjustMatrix[0] = 1;
|
| - pCharPos->m_AdjustMatrix[1] = 0;
|
| - pCharPos->m_AdjustMatrix[2] = 0;
|
| - pCharPos->m_AdjustMatrix[3] = -1;
|
| - pCharPos->m_OriginX += fCharWidth;
|
| - pCharPos->m_OriginY += fAscent;
|
| - } else {
|
| - pCharPos->m_AdjustMatrix[0] = 0;
|
| - pCharPos->m_AdjustMatrix[1] = 1;
|
| - pCharPos->m_AdjustMatrix[2] = 1;
|
| - pCharPos->m_AdjustMatrix[3] = 0;
|
| - pCharPos->m_OriginX += fAscent;
|
| - }
|
| - } else {
|
| - if (iCharRotation == 0) {
|
| - pCharPos->m_AdjustMatrix[0] = -1;
|
| - pCharPos->m_AdjustMatrix[1] = 0;
|
| - pCharPos->m_AdjustMatrix[2] = 0;
|
| - pCharPos->m_AdjustMatrix[3] = 1;
|
| - } else if (iCharRotation == 1) {
|
| - pCharPos->m_AdjustMatrix[0] = 0;
|
| - pCharPos->m_AdjustMatrix[1] = -1;
|
| - pCharPos->m_AdjustMatrix[2] = -1;
|
| - pCharPos->m_AdjustMatrix[3] = 0;
|
| - pCharPos->m_OriginX -= fDescent;
|
| - pCharPos->m_OriginY -= fAscent + fDescent;
|
| - } else if (iCharRotation == 2) {
|
| - pCharPos->m_AdjustMatrix[0] = 1;
|
| - pCharPos->m_AdjustMatrix[1] = 0;
|
| - pCharPos->m_AdjustMatrix[2] = 0;
|
| - pCharPos->m_AdjustMatrix[3] = -1;
|
| - pCharPos->m_OriginX += fCharWidth;
|
| - pCharPos->m_OriginY -= fAscent;
|
| - } else {
|
| - pCharPos->m_AdjustMatrix[0] = 0;
|
| - pCharPos->m_AdjustMatrix[1] = 1;
|
| - pCharPos->m_AdjustMatrix[2] = 1;
|
| - pCharPos->m_AdjustMatrix[3] = 0;
|
| - pCharPos->m_OriginX += fAscent;
|
| - }
|
| - }
|
| - if (iHorScale != 100 || iVerScale != 100) {
|
| - pCharPos->m_AdjustMatrix[0] =
|
| - pCharPos->m_AdjustMatrix[0] * iHorScale / 100.0f;
|
| - pCharPos->m_AdjustMatrix[1] =
|
| - pCharPos->m_AdjustMatrix[1] * iHorScale / 100.0f;
|
| - pCharPos->m_AdjustMatrix[2] =
|
| - pCharPos->m_AdjustMatrix[2] * iVerScale / 100.0f;
|
| - pCharPos->m_AdjustMatrix[3] =
|
| - pCharPos->m_AdjustMatrix[3] * iVerScale / 100.0f;
|
| - }
|
| - pCharPos++;
|
| - }
|
| - }
|
| - if (iWidth > 0) {
|
| - wPrev = (FX_WCHAR)formChars[0].wch;
|
| - }
|
| - wLast = wch;
|
| - }
|
| - return iCount;
|
| -}
|
| -int32_t CFX_TxtBreak::GetCharRects(FX_LPCTXTRUN pTxtRun,
|
| - CFX_RectFArray& rtArray,
|
| - FX_BOOL bCharBBox) const {
|
| - if (pTxtRun == NULL || pTxtRun->iLength < 1) {
|
| - return 0;
|
| - }
|
| - IFX_TxtAccess* pAccess = pTxtRun->pAccess;
|
| - void* pIdentity = pTxtRun->pIdentity;
|
| - const FX_WCHAR* pStr = pTxtRun->pStr;
|
| - int32_t* pWidths = pTxtRun->pWidths;
|
| - int32_t iLength = pTxtRun->iLength;
|
| - CFX_RectF rect(*pTxtRun->pRect);
|
| - FX_BOOL bRTLPiece =
|
| - (pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_OddBidiLevel) != 0;
|
| - FX_FLOAT fFontSize = pTxtRun->fFontSize;
|
| - int32_t iFontSize = FXSYS_round(fFontSize * 20.0f);
|
| - FX_FLOAT fScale = fFontSize / 1000.0f;
|
| - IFX_Font* pFont = pTxtRun->pFont;
|
| - if (pFont == NULL) {
|
| - bCharBBox = FALSE;
|
| - }
|
| - CFX_Rect bbox;
|
| - bbox.Set(0, 0, 0, 0);
|
| - if (bCharBBox) {
|
| - bCharBBox = pFont->GetBBox(bbox);
|
| - }
|
| - FX_FLOAT fLeft = std::max(0.0f, bbox.left * fScale);
|
| - FX_FLOAT fHeight = FXSYS_fabs(bbox.height * fScale);
|
| - rtArray.RemoveAll();
|
| - rtArray.SetSize(iLength);
|
| - FX_BOOL bVertical =
|
| - (pTxtRun->dwStyles & FX_TXTLAYOUTSTYLE_VerticalLayout) != 0;
|
| - FX_BOOL bSingleLine = (pTxtRun->dwStyles & FX_TXTLAYOUTSTYLE_SingleLine) != 0;
|
| - FX_BOOL bCombText = (pTxtRun->dwStyles & FX_TXTLAYOUTSTYLE_CombText) != 0;
|
| - FX_WCHAR wch, wLineBreakChar = pTxtRun->wLineBreakChar;
|
| - int32_t iCharSize;
|
| - FX_FLOAT fCharSize, fStart;
|
| - if (bVertical) {
|
| - fStart = bRTLPiece ? rect.bottom() : rect.top;
|
| - } else {
|
| - fStart = bRTLPiece ? rect.right() : rect.left;
|
| - }
|
| - for (int32_t i = 0; i < iLength; i++) {
|
| - if (pAccess != NULL) {
|
| - wch = pAccess->GetChar(pIdentity, i);
|
| - iCharSize = pAccess->GetWidth(pIdentity, i);
|
| - } else {
|
| - wch = *pStr++;
|
| - iCharSize = *pWidths++;
|
| - }
|
| - fCharSize = (FX_FLOAT)iCharSize / 20000.0f;
|
| - FX_BOOL bRet = (!bSingleLine && FX_IsCtrlCode(wch));
|
| - if (!(wch == L'\v' || wch == L'\f' || wch == 0x2028 || wch == 0x2029 ||
|
| - (wLineBreakChar != 0xFEFF && wch == wLineBreakChar))) {
|
| - bRet = FALSE;
|
| - }
|
| - if (bRet) {
|
| - iCharSize = iFontSize * 500;
|
| - fCharSize = fFontSize / 2.0f;
|
| - }
|
| - if (bVertical) {
|
| - rect.top = fStart;
|
| - if (bRTLPiece) {
|
| - rect.top -= fCharSize;
|
| - fStart -= fCharSize;
|
| - } else {
|
| - fStart += fCharSize;
|
| - }
|
| - rect.height = fCharSize;
|
| - } else {
|
| - rect.left = fStart;
|
| - if (bRTLPiece) {
|
| - rect.left -= fCharSize;
|
| - fStart -= fCharSize;
|
| - } else {
|
| - fStart += fCharSize;
|
| - }
|
| - rect.width = fCharSize;
|
| - }
|
| - if (bCharBBox && !bRet) {
|
| - int32_t iCharWidth = 1000;
|
| - pFont->GetCharWidth(wch, iCharWidth);
|
| - FX_FLOAT fRTLeft = 0, fCharWidth = 0;
|
| - if (iCharWidth > 0) {
|
| - fCharWidth = iCharWidth * fScale;
|
| - fRTLeft = fLeft;
|
| - if (bCombText) {
|
| - fRTLeft = (rect.width - fCharWidth) / 2.0f;
|
| - }
|
| - }
|
| - CFX_RectF rtBBoxF;
|
| - if (bVertical) {
|
| - rtBBoxF.top = rect.left + fRTLeft;
|
| - rtBBoxF.left = rect.top + (rect.height - fHeight) / 2.0f;
|
| - rtBBoxF.height = fCharWidth;
|
| - rtBBoxF.width = fHeight;
|
| - rtBBoxF.left = std::max(rtBBoxF.left, 0.0f);
|
| - } else {
|
| - rtBBoxF.left = rect.left + fRTLeft;
|
| - rtBBoxF.top = rect.top + (rect.height - fHeight) / 2.0f;
|
| - rtBBoxF.width = fCharWidth;
|
| - rtBBoxF.height = fHeight;
|
| - rtBBoxF.top = std::max(rtBBoxF.top, 0.0f);
|
| - }
|
| - rtArray.SetAt(i, rtBBoxF);
|
| - continue;
|
| - }
|
| - rtArray.SetAt(i, rect);
|
| - }
|
| - return iLength;
|
| -}
|
| +// Copyright 2014 PDFium Authors. All rights reserved.
|
| +// Use of this source code is governed by a BSD-style license that can be
|
| +// found in the LICENSE file.
|
| +
|
| +// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
|
| +
|
| +#include <algorithm>
|
| +
|
| +#include "core/include/fxcrt/fx_arb.h"
|
| +#include "xfa/src/fgas/include/fx_lbk.h"
|
| +#include "xfa/src/fgas/src/fgas_base.h"
|
| +#include "xfa/src/fgas/src/layout/fx_unicode.h"
|
| +#include "xfa/src/fgas/src/layout/fx_textbreak.h"
|
| +
|
| +extern const FX_LINEBREAKTYPE gs_FX_LineBreak_PairTable[64][32];
|
| +IFX_TxtBreak* IFX_TxtBreak::Create(FX_DWORD dwPolicies) {
|
| + return new CFX_TxtBreak(dwPolicies);
|
| +}
|
| +CFX_TxtBreak::CFX_TxtBreak(FX_DWORD dwPolicies)
|
| + : m_dwPolicies(dwPolicies),
|
| + m_pArabicChar(NULL),
|
| + m_iLineWidth(2000000),
|
| + m_dwLayoutStyles(0),
|
| + m_bVertical(FALSE),
|
| + m_bArabicContext(FALSE),
|
| + m_bArabicShapes(FALSE),
|
| + m_bRTL(FALSE),
|
| + m_bSingleLine(FALSE),
|
| + m_bCombText(FALSE),
|
| + m_iArabicContext(1),
|
| + m_iCurArabicContext(1),
|
| + m_pFont(NULL),
|
| + m_iFontSize(240),
|
| + m_bEquidistant(TRUE),
|
| + m_iTabWidth(720000),
|
| + m_wDefChar(0xFEFF),
|
| + m_wParagBreakChar(L'\n'),
|
| + m_iDefChar(0),
|
| + m_iLineRotation(0),
|
| + m_iCharRotation(0),
|
| + m_iRotation(0),
|
| + m_iAlignment(FX_TXTLINEALIGNMENT_Left),
|
| + m_dwContextCharStyles(0),
|
| + m_iCombWidth(360000),
|
| + m_pUserData(NULL),
|
| + m_dwCharType(0),
|
| + m_bArabicNumber(FALSE),
|
| + m_bArabicComma(FALSE),
|
| + m_pCurLine(NULL),
|
| + m_iReady(0),
|
| + m_iTolerance(0),
|
| + m_iHorScale(100),
|
| + m_iVerScale(100),
|
| + m_iCharSpace(0) {
|
| + m_bPagination = (m_dwPolicies & FX_TXTBREAKPOLICY_Pagination) != 0;
|
| + m_pArabicChar = IFX_ArabicChar::Create();
|
| + if (m_bPagination) {
|
| + m_pTxtLine1 = new CFX_TxtLine(sizeof(CFX_Char));
|
| + m_pTxtLine2 = new CFX_TxtLine(sizeof(CFX_Char));
|
| + } else {
|
| + m_pTxtLine1 = new CFX_TxtLine(sizeof(CFX_TxtChar));
|
| + m_pTxtLine2 = new CFX_TxtLine(sizeof(CFX_TxtChar));
|
| + }
|
| + m_pCurLine = m_pTxtLine1;
|
| + ResetArabicContext();
|
| +}
|
| +CFX_TxtBreak::~CFX_TxtBreak() {
|
| + Reset();
|
| + delete m_pTxtLine1;
|
| + delete m_pTxtLine2;
|
| + m_pArabicChar->Release();
|
| +}
|
| +void CFX_TxtBreak::SetLineWidth(FX_FLOAT fLineWidth) {
|
| + m_iLineWidth = FXSYS_round(fLineWidth * 20000.0f);
|
| + FXSYS_assert(m_iLineWidth >= 20000);
|
| +}
|
| +void CFX_TxtBreak::SetLinePos(FX_FLOAT fLinePos) {
|
| + int32_t iLinePos = FXSYS_round(fLinePos * 20000.0f);
|
| + if (iLinePos < 0) {
|
| + iLinePos = 0;
|
| + }
|
| + if (iLinePos > m_iLineWidth) {
|
| + iLinePos = m_iLineWidth;
|
| + }
|
| + m_pCurLine->m_iStart = iLinePos;
|
| + m_pCurLine->m_iWidth += iLinePos;
|
| +}
|
| +void CFX_TxtBreak::SetLayoutStyles(FX_DWORD dwLayoutStyles) {
|
| + m_dwLayoutStyles = dwLayoutStyles;
|
| + m_bVertical = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_VerticalChars) != 0;
|
| + m_bArabicContext = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_ArabicContext) != 0;
|
| + m_bArabicShapes = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_ArabicShapes) != 0;
|
| + m_bRTL = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_RTLReadingOrder) != 0;
|
| + m_bSingleLine = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_SingleLine) != 0;
|
| + m_bCombText = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_CombText) != 0;
|
| + ResetArabicContext();
|
| + m_iLineRotation = GetLineRotation(m_dwLayoutStyles);
|
| + m_iRotation = m_iLineRotation + m_iCharRotation;
|
| + m_iRotation %= 4;
|
| +}
|
| +void CFX_TxtBreak::SetFont(IFX_Font* pFont) {
|
| + if (pFont == NULL) {
|
| + return;
|
| + }
|
| + if (m_pFont == pFont) {
|
| + return;
|
| + }
|
| + SetBreakStatus();
|
| + m_pFont = pFont;
|
| + m_iDefChar = 0;
|
| + if (m_wDefChar != 0xFEFF && m_pFont != NULL) {
|
| + m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE);
|
| + m_iDefChar *= m_iFontSize;
|
| + }
|
| +}
|
| +void CFX_TxtBreak::SetFontSize(FX_FLOAT fFontSize) {
|
| + int32_t iFontSize = FXSYS_round(fFontSize * 20.0f);
|
| + if (m_iFontSize == iFontSize) {
|
| + return;
|
| + }
|
| + SetBreakStatus();
|
| + m_iFontSize = iFontSize;
|
| + m_iDefChar = 0;
|
| + if (m_wDefChar != 0xFEFF && m_pFont != NULL) {
|
| + m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE);
|
| + m_iDefChar *= m_iFontSize;
|
| + }
|
| +}
|
| +void CFX_TxtBreak::SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant) {
|
| + m_iTabWidth = FXSYS_round(fTabWidth * 20000.0f);
|
| + if (m_iTabWidth < FX_TXTBREAK_MinimumTabWidth) {
|
| + m_iTabWidth = FX_TXTBREAK_MinimumTabWidth;
|
| + }
|
| + m_bEquidistant = bEquidistant;
|
| +}
|
| +void CFX_TxtBreak::SetDefaultChar(FX_WCHAR wch) {
|
| + m_wDefChar = wch;
|
| + m_iDefChar = 0;
|
| + if (m_wDefChar != 0xFEFF && m_pFont != NULL) {
|
| + m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE);
|
| + if (m_iDefChar < 0) {
|
| + m_iDefChar = 0;
|
| + } else {
|
| + m_iDefChar *= m_iFontSize;
|
| + }
|
| + }
|
| +}
|
| +void CFX_TxtBreak::SetParagraphBreakChar(FX_WCHAR wch) {
|
| + if (wch != L'\r' && wch != L'\n') {
|
| + return;
|
| + }
|
| + m_wParagBreakChar = wch;
|
| +}
|
| +void CFX_TxtBreak::SetLineBreakTolerance(FX_FLOAT fTolerance) {
|
| + m_iTolerance = FXSYS_round(fTolerance * 20000.0f);
|
| +}
|
| +void CFX_TxtBreak::SetCharRotation(int32_t iCharRotation) {
|
| + if (iCharRotation < 0) {
|
| + iCharRotation += (-iCharRotation / 4 + 1) * 4;
|
| + } else if (iCharRotation > 3) {
|
| + iCharRotation -= (iCharRotation / 4) * 4;
|
| + }
|
| + if (m_iCharRotation == iCharRotation) {
|
| + return;
|
| + }
|
| + SetBreakStatus();
|
| + m_iCharRotation = iCharRotation;
|
| + m_iRotation = m_iLineRotation + m_iCharRotation;
|
| + m_iRotation %= 4;
|
| +}
|
| +void CFX_TxtBreak::SetAlignment(int32_t iAlignment) {
|
| + FXSYS_assert(iAlignment >= FX_TXTLINEALIGNMENT_Left &&
|
| + iAlignment <= FX_TXTLINEALIGNMENT_Distributed);
|
| + m_iAlignment = iAlignment;
|
| + ResetArabicContext();
|
| +}
|
| +void CFX_TxtBreak::ResetContextCharStyles() {
|
| + m_dwContextCharStyles = m_bArabicContext ? m_iCurAlignment : m_iAlignment;
|
| + if (m_bArabicNumber) {
|
| + m_dwContextCharStyles |= FX_TXTCHARSTYLE_ArabicNumber;
|
| + }
|
| + if (m_bArabicComma) {
|
| + m_dwContextCharStyles |= FX_TXTCHARSTYLE_ArabicComma;
|
| + }
|
| + if ((m_bArabicContext && m_bCurRTL) || (!m_bArabicContext && m_bRTL)) {
|
| + m_dwContextCharStyles |= FX_TXTCHARSTYLE_RTLReadingOrder;
|
| + }
|
| + m_dwContextCharStyles |= (m_iArabicContext << 8);
|
| +}
|
| +FX_DWORD CFX_TxtBreak::GetContextCharStyles() const {
|
| + return m_dwContextCharStyles;
|
| +}
|
| +void CFX_TxtBreak::SetContextCharStyles(FX_DWORD dwCharStyles) {
|
| + m_iCurAlignment = dwCharStyles & 0x0F;
|
| + m_bArabicNumber = (dwCharStyles & FX_TXTCHARSTYLE_ArabicNumber) != 0;
|
| + m_bArabicComma = (dwCharStyles & FX_TXTCHARSTYLE_ArabicComma) != 0;
|
| + m_bCurRTL = (dwCharStyles & FX_TXTCHARSTYLE_RTLReadingOrder) != 0;
|
| + m_iCurArabicContext = m_iArabicContext = ((dwCharStyles & 0x0300) >> 8);
|
| + ResetContextCharStyles();
|
| +}
|
| +void CFX_TxtBreak::SetCombWidth(FX_FLOAT fCombWidth) {
|
| + m_iCombWidth = FXSYS_round(fCombWidth * 20000.0f);
|
| +}
|
| +void CFX_TxtBreak::SetUserData(void* pUserData) {
|
| + if (m_pUserData == pUserData) {
|
| + return;
|
| + }
|
| + SetBreakStatus();
|
| + m_pUserData = pUserData;
|
| +}
|
| +void CFX_TxtBreak::SetBreakStatus() {
|
| + if (m_bPagination) {
|
| + return;
|
| + }
|
| + int32_t iCount = m_pCurLine->CountChars();
|
| + if (iCount < 1) {
|
| + return;
|
| + }
|
| + CFX_TxtChar* pTC = (CFX_TxtChar*)m_pCurLine->GetCharPtr(iCount - 1);
|
| + if (pTC->m_dwStatus == 0) {
|
| + pTC->m_dwStatus = FX_TXTBREAK_PieceBreak;
|
| + }
|
| +}
|
| +void CFX_TxtBreak::SetHorizontalScale(int32_t iScale) {
|
| + if (iScale < 0) {
|
| + iScale = 0;
|
| + }
|
| + if (iScale == m_iHorScale) {
|
| + return;
|
| + }
|
| + SetBreakStatus();
|
| + m_iHorScale = iScale;
|
| +}
|
| +void CFX_TxtBreak::SetVerticalScale(int32_t iScale) {
|
| + if (iScale < 0) {
|
| + iScale = 0;
|
| + }
|
| + if (iScale == m_iHorScale) {
|
| + return;
|
| + }
|
| + SetBreakStatus();
|
| + m_iVerScale = iScale;
|
| +}
|
| +void CFX_TxtBreak::SetCharSpace(FX_FLOAT fCharSpace) {
|
| + m_iCharSpace = FXSYS_round(fCharSpace * 20000.0f);
|
| +}
|
| +static const int32_t gs_FX_TxtLineRotations[8] = {0, 3, 1, 0, 2, 1, 3, 2};
|
| +int32_t CFX_TxtBreak::GetLineRotation(FX_DWORD dwStyles) const {
|
| + return gs_FX_TxtLineRotations[(dwStyles & 0x0E) >> 1];
|
| +}
|
| +CFX_TxtChar* CFX_TxtBreak::GetLastChar(int32_t index, FX_BOOL bOmitChar) const {
|
| + CFX_TxtCharArray& ca = *m_pCurLine->m_pLineChars;
|
| + int32_t iCount = ca.GetSize();
|
| + if (index < 0 || index >= iCount) {
|
| + return NULL;
|
| + }
|
| + CFX_TxtChar* pTC;
|
| + int32_t iStart = iCount - 1;
|
| + while (iStart > -1) {
|
| + pTC = ca.GetDataPtr(iStart--);
|
| + if (bOmitChar && pTC->GetCharType() == FX_CHARTYPE_Combination) {
|
| + continue;
|
| + }
|
| + if (--index < 0) {
|
| + return pTC;
|
| + }
|
| + }
|
| + return NULL;
|
| +}
|
| +CFX_TxtLine* CFX_TxtBreak::GetTxtLine(FX_BOOL bReady) const {
|
| + if (!bReady) {
|
| + return m_pCurLine;
|
| + }
|
| + if (m_iReady == 1) {
|
| + return m_pTxtLine1;
|
| + } else if (m_iReady == 2) {
|
| + return m_pTxtLine2;
|
| + } else {
|
| + return NULL;
|
| + }
|
| +}
|
| +CFX_TxtPieceArray* CFX_TxtBreak::GetTxtPieces(FX_BOOL bReady) const {
|
| + CFX_TxtLine* pTxtLine = GetTxtLine(bReady);
|
| + if (pTxtLine == NULL) {
|
| + return NULL;
|
| + }
|
| + return pTxtLine->m_pLinePieces;
|
| +}
|
| +inline FX_DWORD CFX_TxtBreak::GetUnifiedCharType(FX_DWORD dwType) const {
|
| + return dwType >= FX_CHARTYPE_ArabicAlef ? FX_CHARTYPE_Arabic : dwType;
|
| +}
|
| +void CFX_TxtBreak::ResetArabicContext() {
|
| + if (m_bArabicContext) {
|
| + m_bCurRTL = m_iCurArabicContext > 1;
|
| + m_iCurAlignment = m_iCurArabicContext > 1 ? FX_TXTLINEALIGNMENT_Right
|
| + : FX_TXTLINEALIGNMENT_Left;
|
| + m_iCurAlignment |= (m_iAlignment & FX_TXTLINEALIGNMENT_HigherMask);
|
| + m_bArabicNumber = m_iArabicContext >= 1 && m_bArabicShapes;
|
| + } else {
|
| + if (m_bPagination) {
|
| + m_bCurRTL = FALSE;
|
| + m_iCurAlignment = 0;
|
| + } else {
|
| + m_bCurRTL = m_bRTL;
|
| + m_iCurAlignment = m_iAlignment;
|
| + }
|
| + if (m_bRTL) {
|
| + m_bArabicNumber = m_iArabicContext >= 1;
|
| + } else {
|
| + m_bArabicNumber = m_iArabicContext > 1;
|
| + }
|
| + m_bArabicNumber = m_bArabicNumber && m_bArabicShapes;
|
| + }
|
| + m_bArabicComma = m_bArabicNumber;
|
| + ResetContextCharStyles();
|
| +}
|
| +void CFX_TxtBreak::AppendChar_PageLoad(CFX_Char* pCurChar, FX_DWORD dwProps) {
|
| + if (!m_bPagination) {
|
| + ((CFX_TxtChar*)pCurChar)->m_dwStatus = 0;
|
| + ((CFX_TxtChar*)pCurChar)->m_pUserData = m_pUserData;
|
| + }
|
| + if (m_bArabicContext || m_bArabicShapes) {
|
| + int32_t iBidiCls = (dwProps & FX_BIDICLASSBITSMASK) >> FX_BIDICLASSBITS;
|
| + int32_t iArabicContext =
|
| + (iBidiCls == FX_BIDICLASS_R || iBidiCls == FX_BIDICLASS_AL)
|
| + ? 2
|
| + : ((iBidiCls == FX_BIDICLASS_L || iBidiCls == FX_BIDICLASS_S) ? 0
|
| + : 1);
|
| + if (iArabicContext != m_iArabicContext && iArabicContext != 1) {
|
| + m_iArabicContext = iArabicContext;
|
| + if (m_iCurArabicContext == 1) {
|
| + m_iCurArabicContext = iArabicContext;
|
| + }
|
| + ResetArabicContext();
|
| + if (!m_bPagination) {
|
| + CFX_TxtChar* pLastChar = (CFX_TxtChar*)GetLastChar(1, FALSE);
|
| + if (pLastChar != NULL && pLastChar->m_dwStatus < 1) {
|
| + pLastChar->m_dwStatus = FX_TXTBREAK_PieceBreak;
|
| + }
|
| + }
|
| + }
|
| + }
|
| + pCurChar->m_dwCharStyles = m_dwContextCharStyles;
|
| +}
|
| +FX_DWORD CFX_TxtBreak::AppendChar_Combination(CFX_Char* pCurChar,
|
| + int32_t iRotation) {
|
| + FXSYS_assert(pCurChar != NULL);
|
| + FX_WCHAR wch = pCurChar->m_wCharCode;
|
| + FX_WCHAR wForm;
|
| + int32_t iCharWidth = 0;
|
| + CFX_Char* pLastChar;
|
| + pCurChar->m_iCharWidth = -1;
|
| + if (m_bCombText) {
|
| + iCharWidth = m_iCombWidth;
|
| + } else {
|
| + if (m_bVertical != FX_IsOdd(iRotation)) {
|
| + iCharWidth = 1000;
|
| + } else {
|
| + wForm = wch;
|
| + if (!m_bPagination) {
|
| + pLastChar = GetLastChar(0, FALSE);
|
| + if (pLastChar != NULL &&
|
| + (((CFX_TxtChar*)pLastChar)->m_dwCharStyles &
|
| + FX_TXTCHARSTYLE_ArabicShadda) == 0) {
|
| + FX_BOOL bShadda = FALSE;
|
| + if (wch == 0x0651) {
|
| + FX_WCHAR wLast = pLastChar->m_wCharCode;
|
| + if (wLast >= 0x064C && wLast <= 0x0650) {
|
| + wForm = FX_GetArabicFromShaddaTable(wLast);
|
| + bShadda = TRUE;
|
| + }
|
| + } else if (wch >= 0x064C && wch <= 0x0650) {
|
| + if (pLastChar->m_wCharCode == 0x0651) {
|
| + wForm = FX_GetArabicFromShaddaTable(wch);
|
| + bShadda = TRUE;
|
| + }
|
| + }
|
| + if (bShadda) {
|
| + ((CFX_TxtChar*)pLastChar)->m_dwCharStyles |=
|
| + FX_TXTCHARSTYLE_ArabicShadda;
|
| + ((CFX_TxtChar*)pLastChar)->m_iCharWidth = 0;
|
| + ((CFX_TxtChar*)pCurChar)->m_dwCharStyles |=
|
| + FX_TXTCHARSTYLE_ArabicShadda;
|
| + }
|
| + }
|
| + }
|
| + if (!m_pFont->GetCharWidth(wForm, iCharWidth, FALSE)) {
|
| + iCharWidth = 0;
|
| + }
|
| + }
|
| + iCharWidth *= m_iFontSize;
|
| + iCharWidth = iCharWidth * m_iHorScale / 100;
|
| + }
|
| + pCurChar->m_iCharWidth = -iCharWidth;
|
| + return FX_TXTBREAK_None;
|
| +}
|
| +FX_DWORD CFX_TxtBreak::AppendChar_Tab(CFX_Char* pCurChar, int32_t iRotation) {
|
| + m_dwCharType = FX_CHARTYPE_Tab;
|
| + if ((m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_ExpandTab) == 0) {
|
| + return FX_TXTBREAK_None;
|
| + }
|
| + int32_t& iLineWidth = m_pCurLine->m_iWidth;
|
| + int32_t iCharWidth;
|
| + if (m_bCombText) {
|
| + iCharWidth = m_iCombWidth;
|
| + } else {
|
| + if (m_bEquidistant) {
|
| + iCharWidth = iLineWidth;
|
| + iCharWidth = m_iTabWidth * (iCharWidth / m_iTabWidth + 1) - iCharWidth;
|
| + if (iCharWidth < FX_TXTBREAK_MinimumTabWidth) {
|
| + iCharWidth += m_iTabWidth;
|
| + }
|
| + } else {
|
| + iCharWidth = m_iTabWidth;
|
| + }
|
| + }
|
| + pCurChar->m_iCharWidth = iCharWidth;
|
| + iLineWidth += iCharWidth;
|
| + if (!m_bSingleLine && iLineWidth >= m_iLineWidth + m_iTolerance) {
|
| + return EndBreak(FX_TXTBREAK_LineBreak);
|
| + }
|
| + return FX_TXTBREAK_None;
|
| +}
|
| +FX_DWORD CFX_TxtBreak::AppendChar_Control(CFX_Char* pCurChar,
|
| + int32_t iRotation) {
|
| + m_dwCharType = FX_CHARTYPE_Control;
|
| + FX_DWORD dwRet = FX_TXTBREAK_None;
|
| + if (!m_bSingleLine) {
|
| + FX_WCHAR wch = pCurChar->m_wCharCode;
|
| + switch (wch) {
|
| + case L'\v':
|
| + case 0x2028:
|
| + dwRet = FX_TXTBREAK_LineBreak;
|
| + break;
|
| + case L'\f':
|
| + dwRet = FX_TXTBREAK_PageBreak;
|
| + break;
|
| + case 0x2029:
|
| + dwRet = FX_TXTBREAK_ParagraphBreak;
|
| + break;
|
| + default:
|
| + if (wch == m_wParagBreakChar) {
|
| + dwRet = FX_TXTBREAK_ParagraphBreak;
|
| + }
|
| + break;
|
| + }
|
| + if (dwRet != FX_TXTBREAK_None) {
|
| + dwRet = EndBreak(dwRet);
|
| + }
|
| + }
|
| + return dwRet;
|
| +}
|
| +FX_DWORD CFX_TxtBreak::AppendChar_Arabic(CFX_Char* pCurChar,
|
| + int32_t iRotation) {
|
| + FX_DWORD dwType = (pCurChar->m_dwCharProps & FX_CHARTYPEBITSMASK);
|
| + int32_t& iLineWidth = m_pCurLine->m_iWidth;
|
| + FX_WCHAR wForm;
|
| + int32_t iCharWidth = 0;
|
| + CFX_Char* pLastChar = NULL;
|
| + FX_BOOL bAlef = FALSE;
|
| + if (!m_bCombText && m_dwCharType >= FX_CHARTYPE_ArabicAlef &&
|
| + m_dwCharType <= FX_CHARTYPE_ArabicDistortion) {
|
| + pLastChar = GetLastChar(1);
|
| + if (pLastChar != NULL) {
|
| + iCharWidth = pLastChar->m_iCharWidth;
|
| + if (iCharWidth > 0) {
|
| + iLineWidth -= iCharWidth;
|
| + }
|
| + CFX_Char* pPrevChar = GetLastChar(2);
|
| + wForm = m_pArabicChar->GetFormChar(pLastChar, pPrevChar, pCurChar);
|
| + bAlef = (wForm == 0xFEFF &&
|
| + pLastChar->GetCharType() == FX_CHARTYPE_ArabicAlef);
|
| + int32_t iLastRotation = pLastChar->m_nRotation + m_iLineRotation;
|
| + if (m_bVertical && (pLastChar->m_dwCharProps & 0x8000) != 0) {
|
| + iLastRotation++;
|
| + }
|
| + if (m_bVertical != FX_IsOdd(iLastRotation)) {
|
| + iCharWidth = 1000;
|
| + } else {
|
| + m_pFont->GetCharWidth(wForm, iCharWidth, FALSE);
|
| + }
|
| + if (wForm == 0xFEFF) {
|
| + iCharWidth = m_iDefChar;
|
| + }
|
| + iCharWidth *= m_iFontSize;
|
| + iCharWidth = iCharWidth * m_iHorScale / 100;
|
| + pLastChar->m_iCharWidth = iCharWidth;
|
| + iLineWidth += iCharWidth;
|
| + iCharWidth = 0;
|
| + }
|
| + }
|
| + m_dwCharType = dwType;
|
| + wForm = m_pArabicChar->GetFormChar(pCurChar, bAlef ? NULL : pLastChar, NULL);
|
| + if (m_bCombText) {
|
| + iCharWidth = m_iCombWidth;
|
| + } else {
|
| + if (m_bVertical != FX_IsOdd(iRotation)) {
|
| + iCharWidth = 1000;
|
| + } else {
|
| + m_pFont->GetCharWidth(wForm, iCharWidth, FALSE);
|
| + }
|
| + if (wForm == 0xFEFF) {
|
| + iCharWidth = m_iDefChar;
|
| + }
|
| + iCharWidth *= m_iFontSize;
|
| + iCharWidth = iCharWidth * m_iHorScale / 100;
|
| + }
|
| + pCurChar->m_iCharWidth = iCharWidth;
|
| + iLineWidth += iCharWidth;
|
| + m_pCurLine->m_iArabicChars++;
|
| + if (!m_bSingleLine && iLineWidth > m_iLineWidth + m_iTolerance) {
|
| + return EndBreak(FX_TXTBREAK_LineBreak);
|
| + }
|
| + return FX_TXTBREAK_None;
|
| +}
|
| +FX_DWORD CFX_TxtBreak::AppendChar_Others(CFX_Char* pCurChar,
|
| + int32_t iRotation) {
|
| + FX_DWORD dwProps = pCurChar->m_dwCharProps;
|
| + FX_DWORD dwType = (dwProps & FX_CHARTYPEBITSMASK);
|
| + int32_t& iLineWidth = m_pCurLine->m_iWidth;
|
| + int32_t iCharWidth = 0;
|
| + m_dwCharType = dwType;
|
| + FX_WCHAR wch = pCurChar->m_wCharCode;
|
| + FX_WCHAR wForm = wch;
|
| + if (dwType == FX_CHARTYPE_Numeric) {
|
| + if (m_bArabicNumber) {
|
| + wForm = wch + 0x0630;
|
| + pCurChar->m_dwCharStyles |= FX_TXTCHARSTYLE_ArabicIndic;
|
| + }
|
| + } else if (wch == L',') {
|
| + if (m_bArabicShapes && m_iCurArabicContext > 0) {
|
| + wForm = 0x060C;
|
| + pCurChar->m_dwCharStyles |= FX_TXTCHARSTYLE_ArabicComma;
|
| + }
|
| + } else if (m_bCurRTL || m_bVertical) {
|
| + wForm = FX_GetMirrorChar(wch, dwProps, m_bCurRTL, m_bVertical);
|
| + }
|
| + if (m_bCombText) {
|
| + iCharWidth = m_iCombWidth;
|
| + } else {
|
| + if (m_bVertical != FX_IsOdd(iRotation)) {
|
| + iCharWidth = 1000;
|
| + } else if (!m_pFont->GetCharWidth(wForm, iCharWidth, FALSE)) {
|
| + iCharWidth = m_iDefChar;
|
| + }
|
| + iCharWidth *= m_iFontSize;
|
| + iCharWidth = iCharWidth * m_iHorScale / 100;
|
| + }
|
| + iCharWidth += m_iCharSpace;
|
| + pCurChar->m_iCharWidth = iCharWidth;
|
| + iLineWidth += iCharWidth;
|
| + FX_BOOL bBreak = (dwType != FX_CHARTYPE_Space ||
|
| + (m_dwPolicies & FX_TXTBREAKPOLICY_SpaceBreak) != 0);
|
| + if (!m_bSingleLine && bBreak && iLineWidth > m_iLineWidth + m_iTolerance) {
|
| + return EndBreak(FX_TXTBREAK_LineBreak);
|
| + }
|
| + return FX_TXTBREAK_None;
|
| +}
|
| +typedef FX_DWORD (CFX_TxtBreak::*FX_TxtBreak_LPFAppendChar)(CFX_Char* pCurChar,
|
| + int32_t iRotation);
|
| +static const FX_TxtBreak_LPFAppendChar g_FX_TxtBreak_lpfAppendChar[16] = {
|
| + &CFX_TxtBreak::AppendChar_Others, &CFX_TxtBreak::AppendChar_Tab,
|
| + &CFX_TxtBreak::AppendChar_Others, &CFX_TxtBreak::AppendChar_Control,
|
| + &CFX_TxtBreak::AppendChar_Combination, &CFX_TxtBreak::AppendChar_Others,
|
| + &CFX_TxtBreak::AppendChar_Others, &CFX_TxtBreak::AppendChar_Arabic,
|
| + &CFX_TxtBreak::AppendChar_Arabic, &CFX_TxtBreak::AppendChar_Arabic,
|
| + &CFX_TxtBreak::AppendChar_Arabic, &CFX_TxtBreak::AppendChar_Arabic,
|
| + &CFX_TxtBreak::AppendChar_Arabic, &CFX_TxtBreak::AppendChar_Others,
|
| + &CFX_TxtBreak::AppendChar_Others, &CFX_TxtBreak::AppendChar_Others,
|
| +};
|
| +FX_DWORD CFX_TxtBreak::AppendChar(FX_WCHAR wch) {
|
| + FX_DWORD dwProps = kTextLayoutCodeProperties[(FX_WORD)wch];
|
| + FX_DWORD dwType = (dwProps & FX_CHARTYPEBITSMASK);
|
| + CFX_TxtChar* pCurChar = m_pCurLine->m_pLineChars->AddSpace();
|
| + pCurChar->m_wCharCode = (FX_WORD)wch;
|
| + pCurChar->m_nRotation = m_iCharRotation;
|
| + pCurChar->m_dwCharProps = dwProps;
|
| + pCurChar->m_dwCharStyles = 0;
|
| + pCurChar->m_iCharWidth = 0;
|
| + pCurChar->m_iHorizontalScale = m_iHorScale;
|
| + pCurChar->m_iVertialScale = m_iVerScale;
|
| + pCurChar->m_dwStatus = 0;
|
| + pCurChar->m_iBidiClass = 0;
|
| + pCurChar->m_iBidiLevel = 0;
|
| + pCurChar->m_iBidiPos = 0;
|
| + pCurChar->m_iBidiOrder = 0;
|
| + pCurChar->m_pUserData = NULL;
|
| + AppendChar_PageLoad(pCurChar, dwProps);
|
| + FX_DWORD dwRet1 = FX_TXTBREAK_None;
|
| + if (dwType != FX_CHARTYPE_Combination &&
|
| + GetUnifiedCharType(m_dwCharType) != GetUnifiedCharType(dwType)) {
|
| + if (m_dwCharType > 0 &&
|
| + m_pCurLine->m_iWidth > m_iLineWidth + m_iTolerance && !m_bSingleLine) {
|
| + if (m_dwCharType != FX_CHARTYPE_Space || dwType != FX_CHARTYPE_Control) {
|
| + dwRet1 = EndBreak(FX_TXTBREAK_LineBreak);
|
| + int32_t iCount = m_pCurLine->CountChars();
|
| + if (iCount > 0) {
|
| + pCurChar = m_pCurLine->m_pLineChars->GetDataPtr(iCount - 1);
|
| + }
|
| + }
|
| + }
|
| + }
|
| + int32_t iRotation = m_iRotation;
|
| + if (m_bVertical && (dwProps & 0x8000) != 0) {
|
| + iRotation = (iRotation + 1) % 4;
|
| + }
|
| + FX_DWORD dwRet2 =
|
| + (this->*g_FX_TxtBreak_lpfAppendChar[dwType >> FX_CHARTYPEBITS])(
|
| + pCurChar, iRotation);
|
| + return std::max(dwRet1, dwRet2);
|
| +}
|
| +void CFX_TxtBreak::EndBreak_UpdateArabicShapes() {
|
| + FXSYS_assert(m_bArabicShapes);
|
| + int32_t iCount = m_pCurLine->CountChars();
|
| + if (iCount < 2) {
|
| + return;
|
| + }
|
| + int32_t& iLineWidth = m_pCurLine->m_iWidth;
|
| + CFX_Char *pCur, *pNext;
|
| + pCur = m_pCurLine->GetCharPtr(0);
|
| + FX_BOOL bPrevNum = (pCur->m_dwCharStyles & FX_TXTCHARSTYLE_ArabicIndic) != 0;
|
| + pCur = m_pCurLine->GetCharPtr(1);
|
| + FX_WCHAR wch, wForm;
|
| + FX_BOOL bNextNum;
|
| + int32_t i = 1, iCharWidth, iRotation;
|
| + do {
|
| + i++;
|
| + if (i < iCount) {
|
| + pNext = m_pCurLine->GetCharPtr(i);
|
| + bNextNum = (pNext->m_dwCharStyles & FX_TXTCHARSTYLE_ArabicIndic) != 0;
|
| + } else {
|
| + pNext = NULL;
|
| + bNextNum = FALSE;
|
| + }
|
| + wch = pCur->m_wCharCode;
|
| + if (wch == L'.') {
|
| + if (bPrevNum && bNextNum) {
|
| + iRotation = m_iRotation;
|
| + if (m_bVertical && (pCur->m_dwCharProps & 0x8000) != 0) {
|
| + iRotation = ((iRotation + 1) & 0x03);
|
| + }
|
| + wForm = wch == L'.' ? 0x066B : 0x066C;
|
| + iLineWidth -= pCur->m_iCharWidth;
|
| + if (m_bCombText) {
|
| + iCharWidth = m_iCombWidth;
|
| + } else {
|
| + if (m_bVertical != FX_IsOdd(iRotation)) {
|
| + iCharWidth = 1000;
|
| + } else if (!m_pFont->GetCharWidth(wForm, iCharWidth, FALSE)) {
|
| + iCharWidth = m_iDefChar;
|
| + }
|
| + iCharWidth *= m_iFontSize;
|
| + iCharWidth = iCharWidth * m_iHorScale / 100;
|
| + }
|
| + pCur->m_iCharWidth = iCharWidth;
|
| + iLineWidth += iCharWidth;
|
| + }
|
| + }
|
| + bPrevNum = (pCur->m_dwCharStyles & FX_TXTCHARSTYLE_ArabicIndic) != 0;
|
| + pCur = pNext;
|
| + } while (i < iCount);
|
| +}
|
| +FX_BOOL CFX_TxtBreak::EndBreak_SplitLine(CFX_TxtLine* pNextLine,
|
| + FX_BOOL bAllChars,
|
| + FX_DWORD dwStatus) {
|
| + int32_t iCount = m_pCurLine->CountChars();
|
| + FX_BOOL bDone = FALSE;
|
| + CFX_Char* pTC;
|
| + if (!m_bSingleLine && m_pCurLine->m_iWidth > m_iLineWidth + m_iTolerance) {
|
| + pTC = m_pCurLine->GetCharPtr(iCount - 1);
|
| + switch (pTC->GetCharType()) {
|
| + case FX_CHARTYPE_Tab:
|
| + case FX_CHARTYPE_Control:
|
| + break;
|
| + case FX_CHARTYPE_Space:
|
| + if ((m_dwPolicies & FX_TXTBREAKPOLICY_SpaceBreak) != 0) {
|
| + SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars);
|
| + bDone = TRUE;
|
| + }
|
| + break;
|
| + default:
|
| + SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars);
|
| + bDone = TRUE;
|
| + break;
|
| + }
|
| + }
|
| + iCount = m_pCurLine->CountChars();
|
| + CFX_TxtPieceArray* pCurPieces = m_pCurLine->m_pLinePieces;
|
| + CFX_TxtPiece tp;
|
| + if (m_bPagination) {
|
| + tp.m_dwStatus = dwStatus;
|
| + tp.m_iStartPos = m_pCurLine->m_iStart;
|
| + tp.m_iWidth = m_pCurLine->m_iWidth;
|
| + tp.m_iStartChar = 0;
|
| + tp.m_iChars = iCount;
|
| + tp.m_pChars = m_pCurLine->m_pLineChars;
|
| + tp.m_pUserData = m_pUserData;
|
| + pTC = m_pCurLine->GetCharPtr(0);
|
| + tp.m_dwCharStyles = pTC->m_dwCharStyles;
|
| + tp.m_iHorizontalScale = pTC->m_iHorizontalScale;
|
| + tp.m_iVerticalScale = pTC->m_iVertialScale;
|
| + pCurPieces->Add(tp);
|
| + m_pCurLine = pNextLine;
|
| + m_dwCharType = 0;
|
| + return TRUE;
|
| + }
|
| + if (bAllChars && !bDone) {
|
| + int32_t iEndPos = m_pCurLine->m_iWidth;
|
| + GetBreakPos(*m_pCurLine->m_pLineChars, iEndPos, bAllChars, TRUE);
|
| + }
|
| + return FALSE;
|
| +}
|
| +void CFX_TxtBreak::EndBreak_BidiLine(CFX_TPOArray& tpos, FX_DWORD dwStatus) {
|
| + CFX_TxtPiece tp;
|
| + FX_TPO tpo;
|
| + CFX_TxtChar* pTC;
|
| + int32_t i, j;
|
| + CFX_TxtCharArray& chars = *m_pCurLine->m_pLineChars;
|
| + int32_t iCount = m_pCurLine->CountChars();
|
| + FX_BOOL bDone = (m_pCurLine->m_iArabicChars > 0 || m_bCurRTL);
|
| + if (!m_bPagination && bDone) {
|
| + int32_t iBidiNum = 0;
|
| + for (i = 0; i < iCount; i++) {
|
| + pTC = chars.GetDataPtr(i);
|
| + pTC->m_iBidiPos = i;
|
| + if (pTC->GetCharType() != FX_CHARTYPE_Control) {
|
| + iBidiNum = i;
|
| + }
|
| + if (i == 0) {
|
| + pTC->m_iBidiLevel = 1;
|
| + }
|
| + }
|
| + FX_BidiLine(chars, iBidiNum + 1, m_bCurRTL ? 1 : 0);
|
| + }
|
| + CFX_TxtPieceArray* pCurPieces = m_pCurLine->m_pLinePieces;
|
| + if (!m_bPagination &&
|
| + (bDone || (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_MutipleFormat) != 0)) {
|
| + tp.m_dwStatus = FX_TXTBREAK_PieceBreak;
|
| + tp.m_iStartPos = m_pCurLine->m_iStart;
|
| + tp.m_pChars = m_pCurLine->m_pLineChars;
|
| + int32_t iBidiLevel = -1, iCharWidth;
|
| + i = 0, j = -1;
|
| + while (i < iCount) {
|
| + pTC = chars.GetDataPtr(i);
|
| + if (iBidiLevel < 0) {
|
| + iBidiLevel = pTC->m_iBidiLevel;
|
| + tp.m_iWidth = 0;
|
| + tp.m_iBidiLevel = iBidiLevel;
|
| + tp.m_iBidiPos = pTC->m_iBidiOrder;
|
| + tp.m_dwCharStyles = pTC->m_dwCharStyles;
|
| + tp.m_pUserData = pTC->m_pUserData;
|
| + tp.m_iHorizontalScale = pTC->m_iHorizontalScale;
|
| + tp.m_iVerticalScale = pTC->m_iVertialScale;
|
| + tp.m_dwStatus = FX_TXTBREAK_PieceBreak;
|
| + }
|
| + if (iBidiLevel != pTC->m_iBidiLevel || pTC->m_dwStatus != 0) {
|
| + if (iBidiLevel == pTC->m_iBidiLevel) {
|
| + tp.m_dwStatus = pTC->m_dwStatus;
|
| + iCharWidth = pTC->m_iCharWidth;
|
| + if (iCharWidth > 0) {
|
| + tp.m_iWidth += iCharWidth;
|
| + }
|
| + i++;
|
| + }
|
| + tp.m_iChars = i - tp.m_iStartChar;
|
| + pCurPieces->Add(tp);
|
| + tp.m_iStartPos += tp.m_iWidth;
|
| + tp.m_iStartChar = i;
|
| + tpo.index = ++j;
|
| + tpo.pos = tp.m_iBidiPos;
|
| + tpos.Add(tpo);
|
| + iBidiLevel = -1;
|
| + } else {
|
| + iCharWidth = pTC->m_iCharWidth;
|
| + if (iCharWidth > 0) {
|
| + tp.m_iWidth += iCharWidth;
|
| + }
|
| + i++;
|
| + }
|
| + }
|
| + if (i > tp.m_iStartChar) {
|
| + tp.m_dwStatus = dwStatus;
|
| + tp.m_iChars = i - tp.m_iStartChar;
|
| + pCurPieces->Add(tp);
|
| + tpo.index = ++j;
|
| + tpo.pos = tp.m_iBidiPos;
|
| + tpos.Add(tpo);
|
| + }
|
| + if (j > -1) {
|
| + if (j > 0) {
|
| + FX_TEXTLAYOUT_PieceSort(tpos, 0, j);
|
| + int32_t iStartPos = 0;
|
| + for (i = 0; i <= j; i++) {
|
| + tpo = tpos.GetAt(i);
|
| + CFX_TxtPiece& ttp = pCurPieces->GetAt(tpo.index);
|
| + ttp.m_iStartPos = iStartPos;
|
| + iStartPos += ttp.m_iWidth;
|
| + }
|
| + }
|
| + CFX_TxtPiece& ttp = pCurPieces->GetAt(j);
|
| + ttp.m_dwStatus = dwStatus;
|
| + }
|
| + } else {
|
| + tp.m_dwStatus = dwStatus;
|
| + tp.m_iStartPos = m_pCurLine->m_iStart;
|
| + tp.m_iWidth = m_pCurLine->m_iWidth;
|
| + tp.m_iStartChar = 0;
|
| + tp.m_iChars = iCount;
|
| + tp.m_pChars = m_pCurLine->m_pLineChars;
|
| + tp.m_pUserData = m_pUserData;
|
| + pTC = chars.GetDataPtr(0);
|
| + tp.m_dwCharStyles = pTC->m_dwCharStyles;
|
| + tp.m_iHorizontalScale = pTC->m_iHorizontalScale;
|
| + tp.m_iVerticalScale = pTC->m_iVertialScale;
|
| + pCurPieces->Add(tp);
|
| + tpo.index = 0;
|
| + tpo.pos = 0;
|
| + tpos.Add(tpo);
|
| + }
|
| +}
|
| +void CFX_TxtBreak::EndBreak_Alignment(CFX_TPOArray& tpos,
|
| + FX_BOOL bAllChars,
|
| + FX_DWORD dwStatus) {
|
| + int32_t iNetWidth = m_pCurLine->m_iWidth, iGapChars = 0, iCharWidth;
|
| + CFX_TxtPieceArray* pCurPieces = m_pCurLine->m_pLinePieces;
|
| + int32_t i, j, iCount = pCurPieces->GetSize();
|
| + FX_BOOL bFind = FALSE;
|
| + FX_TPO tpo;
|
| + CFX_TxtChar* pTC;
|
| + FX_DWORD dwCharType;
|
| + for (i = iCount - 1; i > -1; i--) {
|
| + tpo = tpos.GetAt(i);
|
| + CFX_TxtPiece& ttp = pCurPieces->GetAt(tpo.index);
|
| + if (!bFind) {
|
| + iNetWidth = ttp.GetEndPos();
|
| + }
|
| + FX_BOOL bArabic = FX_IsOdd(ttp.m_iBidiLevel);
|
| + j = bArabic ? 0 : ttp.m_iChars - 1;
|
| + while (j > -1 && j < ttp.m_iChars) {
|
| + pTC = ttp.GetCharPtr(j);
|
| + if (pTC->m_nBreakType == FX_LBT_DIRECT_BRK) {
|
| + iGapChars++;
|
| + }
|
| + if (!bFind || !bAllChars) {
|
| + dwCharType = pTC->GetCharType();
|
| + if (dwCharType == FX_CHARTYPE_Space ||
|
| + dwCharType == FX_CHARTYPE_Control) {
|
| + if (!bFind) {
|
| + iCharWidth = pTC->m_iCharWidth;
|
| + if (bAllChars && iCharWidth > 0) {
|
| + iNetWidth -= iCharWidth;
|
| + }
|
| + }
|
| + } else {
|
| + bFind = TRUE;
|
| + if (!bAllChars) {
|
| + break;
|
| + }
|
| + }
|
| + }
|
| + j += bArabic ? 1 : -1;
|
| + }
|
| + if (!bAllChars && bFind) {
|
| + break;
|
| + }
|
| + }
|
| + int32_t iOffset = m_iLineWidth - iNetWidth;
|
| + int32_t iLowerAlignment = (m_iCurAlignment & FX_TXTLINEALIGNMENT_LowerMask);
|
| + int32_t iHigherAlignment = (m_iCurAlignment & FX_TXTLINEALIGNMENT_HigherMask);
|
| + if (iGapChars > 0 && (iHigherAlignment == FX_TXTLINEALIGNMENT_Distributed ||
|
| + (iHigherAlignment == FX_TXTLINEALIGNMENT_Justified &&
|
| + dwStatus != FX_TXTBREAK_ParagraphBreak))) {
|
| + int32_t iStart = -1;
|
| + for (i = 0; i < iCount; i++) {
|
| + tpo = tpos.GetAt(i);
|
| + CFX_TxtPiece& ttp = pCurPieces->GetAt(tpo.index);
|
| + if (iStart < -1) {
|
| + iStart = ttp.m_iStartPos;
|
| + } else {
|
| + ttp.m_iStartPos = iStart;
|
| + }
|
| + int32_t k;
|
| + for (j = 0; j < ttp.m_iChars; j++) {
|
| + pTC = ttp.GetCharPtr(j);
|
| + if (pTC->m_nBreakType != FX_LBT_DIRECT_BRK || pTC->m_iCharWidth < 0) {
|
| + continue;
|
| + }
|
| + k = iOffset / iGapChars;
|
| + pTC->m_iCharWidth += k;
|
| + ttp.m_iWidth += k;
|
| + iOffset -= k;
|
| + iGapChars--;
|
| + if (iGapChars < 1) {
|
| + break;
|
| + }
|
| + }
|
| + iStart += ttp.m_iWidth;
|
| + }
|
| + } else if (iLowerAlignment > FX_TXTLINEALIGNMENT_Left) {
|
| + if (iLowerAlignment == FX_TXTLINEALIGNMENT_Center) {
|
| + iOffset /= 2;
|
| + }
|
| + if (iOffset > 0) {
|
| + for (i = 0; i < iCount; i++) {
|
| + CFX_TxtPiece& ttp = pCurPieces->GetAt(i);
|
| + ttp.m_iStartPos += iOffset;
|
| + }
|
| + }
|
| + }
|
| +}
|
| +FX_DWORD CFX_TxtBreak::EndBreak(FX_DWORD dwStatus) {
|
| + FXSYS_assert(dwStatus >= FX_TXTBREAK_PieceBreak &&
|
| + dwStatus <= FX_TXTBREAK_PageBreak);
|
| + CFX_TxtPieceArray* pCurPieces = m_pCurLine->m_pLinePieces;
|
| + int32_t iCount = pCurPieces->GetSize();
|
| + if (iCount > 0) {
|
| + CFX_TxtPiece* pLastPiece = pCurPieces->GetPtrAt(--iCount);
|
| + if (dwStatus > FX_TXTBREAK_PieceBreak) {
|
| + pLastPiece->m_dwStatus = dwStatus;
|
| + } else {
|
| + dwStatus = pLastPiece->m_dwStatus;
|
| + }
|
| + return dwStatus;
|
| + } else {
|
| + CFX_TxtLine* pLastLine = GetTxtLine(TRUE);
|
| + if (pLastLine != NULL) {
|
| + pCurPieces = pLastLine->m_pLinePieces;
|
| + iCount = pCurPieces->GetSize();
|
| + if (iCount-- > 0) {
|
| + CFX_TxtPiece* pLastPiece = pCurPieces->GetPtrAt(iCount);
|
| + if (dwStatus > FX_TXTBREAK_PieceBreak) {
|
| + pLastPiece->m_dwStatus = dwStatus;
|
| + } else {
|
| + dwStatus = pLastPiece->m_dwStatus;
|
| + }
|
| + return dwStatus;
|
| + }
|
| + return FX_TXTBREAK_None;
|
| + }
|
| + iCount = m_pCurLine->CountChars();
|
| + if (iCount < 1) {
|
| + return FX_TXTBREAK_None;
|
| + }
|
| + if (!m_bPagination) {
|
| + CFX_TxtChar* pTC = m_pCurLine->GetCharPtr(iCount - 1);
|
| + pTC->m_dwStatus = dwStatus;
|
| + }
|
| + if (dwStatus <= FX_TXTBREAK_PieceBreak) {
|
| + return dwStatus;
|
| + }
|
| + }
|
| + m_iReady = (m_pCurLine == m_pTxtLine1) ? 1 : 2;
|
| + CFX_TxtLine* pNextLine =
|
| + (m_pCurLine == m_pTxtLine1) ? m_pTxtLine2 : m_pTxtLine1;
|
| + FX_BOOL bAllChars = (m_iCurAlignment > FX_TXTLINEALIGNMENT_Right);
|
| + CFX_TPOArray tpos;
|
| + CFX_Char* pTC;
|
| + if (m_bArabicShapes) {
|
| + EndBreak_UpdateArabicShapes();
|
| + }
|
| + if (EndBreak_SplitLine(pNextLine, bAllChars, dwStatus)) {
|
| + goto EndBreak_Ret;
|
| + }
|
| + EndBreak_BidiLine(tpos, dwStatus);
|
| + if (!m_bPagination && m_iCurAlignment > FX_TXTLINEALIGNMENT_Left) {
|
| + EndBreak_Alignment(tpos, bAllChars, dwStatus);
|
| + }
|
| +EndBreak_Ret:
|
| + m_pCurLine = pNextLine;
|
| + pTC = GetLastChar(0, FALSE);
|
| + m_dwCharType = pTC == NULL ? 0 : pTC->GetCharType();
|
| + if (dwStatus == FX_TXTBREAK_ParagraphBreak) {
|
| + m_iArabicContext = m_iCurArabicContext = 1;
|
| + ResetArabicContext();
|
| + }
|
| + return dwStatus;
|
| +}
|
| +int32_t CFX_TxtBreak::GetBreakPos(CFX_TxtCharArray& ca,
|
| + int32_t& iEndPos,
|
| + FX_BOOL bAllChars,
|
| + FX_BOOL bOnlyBrk) {
|
| + int32_t iLength = ca.GetSize() - 1;
|
| + if (iLength < 1) {
|
| + return iLength;
|
| + }
|
| + int32_t iBreak = -1, iBreakPos = -1, iIndirect = -1, iIndirectPos = -1,
|
| + iLast = -1, iLastPos = -1;
|
| + if (m_bSingleLine || iEndPos <= m_iLineWidth) {
|
| + if (!bAllChars) {
|
| + return iLength;
|
| + }
|
| + iBreak = iLength;
|
| + iBreakPos = iEndPos;
|
| + }
|
| + FX_BOOL bSpaceBreak = (m_dwPolicies & FX_TXTBREAKPOLICY_SpaceBreak) != 0;
|
| + FX_BOOL bNumberBreak = (m_dwPolicies & FX_TXTBREAKPOLICY_NumberBreak) != 0;
|
| + FX_LINEBREAKTYPE eType;
|
| + FX_DWORD nCodeProp, nCur, nNext;
|
| + CFX_Char* pCur = ca.GetDataPtr(iLength--);
|
| + if (bAllChars) {
|
| + pCur->m_nBreakType = FX_LBT_UNKNOWN;
|
| + }
|
| + nCodeProp = pCur->m_dwCharProps;
|
| + nNext = nCodeProp & 0x003F;
|
| + int32_t iCharWidth = pCur->m_iCharWidth;
|
| + if (iCharWidth > 0) {
|
| + iEndPos -= iCharWidth;
|
| + }
|
| + while (iLength >= 0) {
|
| + pCur = ca.GetDataPtr(iLength);
|
| + nCodeProp = pCur->m_dwCharProps;
|
| + nCur = nCodeProp & 0x003F;
|
| + if (nCur == FX_CBP_SP) {
|
| + if (nNext == FX_CBP_SP) {
|
| + eType = bSpaceBreak ? FX_LBT_DIRECT_BRK : FX_LBT_PROHIBITED_BRK;
|
| + } else {
|
| + eType = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable +
|
| + (nCur << 5) + nNext);
|
| + }
|
| + } else if (bNumberBreak && nCur == FX_CBP_NU && nNext == FX_CBP_NU) {
|
| + eType = FX_LBT_DIRECT_BRK;
|
| + } else {
|
| + if (nNext == FX_CBP_SP) {
|
| + eType = FX_LBT_PROHIBITED_BRK;
|
| + } else {
|
| + eType = *((const FX_LINEBREAKTYPE*)gs_FX_LineBreak_PairTable +
|
| + (nCur << 5) + nNext);
|
| + }
|
| + }
|
| + if (bAllChars) {
|
| + pCur->m_nBreakType = (uint8_t)eType;
|
| + }
|
| + if (!bOnlyBrk) {
|
| + if (m_bSingleLine || iEndPos <= m_iLineWidth ||
|
| + (nCur == FX_CBP_SP && !bSpaceBreak)) {
|
| + if (eType == FX_LBT_DIRECT_BRK && iBreak < 0) {
|
| + iBreak = iLength;
|
| + iBreakPos = iEndPos;
|
| + if (!bAllChars) {
|
| + return iLength;
|
| + }
|
| + } else if (eType == FX_LBT_INDIRECT_BRK && iIndirect < 0) {
|
| + iIndirect = iLength;
|
| + iIndirectPos = iEndPos;
|
| + }
|
| + if (iLast < 0) {
|
| + iLast = iLength;
|
| + iLastPos = iEndPos;
|
| + }
|
| + }
|
| + iCharWidth = pCur->m_iCharWidth;
|
| + if (iCharWidth > 0) {
|
| + iEndPos -= iCharWidth;
|
| + }
|
| + }
|
| + nNext = nCodeProp & 0x003F;
|
| + iLength--;
|
| + }
|
| + if (bOnlyBrk) {
|
| + return 0;
|
| + }
|
| + if (iBreak > -1) {
|
| + iEndPos = iBreakPos;
|
| + return iBreak;
|
| + }
|
| + if (iIndirect > -1) {
|
| + iEndPos = iIndirectPos;
|
| + return iIndirect;
|
| + }
|
| + if (iLast > -1) {
|
| + iEndPos = iLastPos;
|
| + return iLast;
|
| + }
|
| + return 0;
|
| +}
|
| +void CFX_TxtBreak::SplitTextLine(CFX_TxtLine* pCurLine,
|
| + CFX_TxtLine* pNextLine,
|
| + FX_BOOL bAllChars) {
|
| + FXSYS_assert(pCurLine != NULL && pNextLine != NULL);
|
| + int32_t iCount = pCurLine->CountChars();
|
| + if (iCount < 2) {
|
| + return;
|
| + }
|
| + int32_t iEndPos = pCurLine->m_iWidth;
|
| + CFX_TxtCharArray& curChars = *pCurLine->m_pLineChars;
|
| + int32_t iCharPos = GetBreakPos(curChars, iEndPos, bAllChars, FALSE);
|
| + if (iCharPos < 0) {
|
| + iCharPos = 0;
|
| + }
|
| + iCharPos++;
|
| + if (iCharPos >= iCount) {
|
| + pNextLine->RemoveAll(TRUE);
|
| + CFX_Char* pTC = curChars.GetDataPtr(iCharPos - 1);
|
| + pTC->m_nBreakType = FX_LBT_UNKNOWN;
|
| + return;
|
| + }
|
| + CFX_TxtCharArray& nextChars = *pNextLine->m_pLineChars;
|
| + int cur_size = curChars.GetSize();
|
| + nextChars.SetSize(cur_size - iCharPos);
|
| + FXSYS_memcpy(nextChars.GetData(), curChars.GetDataPtr(iCharPos),
|
| + (cur_size - iCharPos) * sizeof(CFX_TxtChar));
|
| + iCount -= iCharPos;
|
| + cur_size = curChars.GetSize();
|
| + curChars.RemoveAt(cur_size - iCount, iCount);
|
| + pCurLine->m_iWidth = iEndPos;
|
| + CFX_TxtChar* pTC = curChars.GetDataPtr(iCharPos - 1);
|
| + pTC->m_nBreakType = FX_LBT_UNKNOWN;
|
| + iCount = nextChars.GetSize();
|
| + int32_t iCharWidth, iWidth = 0;
|
| + for (int32_t i = 0; i < iCount; i++) {
|
| + pTC = nextChars.GetDataPtr(i);
|
| + if (pTC->GetCharType() >= FX_CHARTYPE_ArabicAlef) {
|
| + pCurLine->m_iArabicChars--;
|
| + pNextLine->m_iArabicChars++;
|
| + }
|
| + iCharWidth = pTC->m_iCharWidth;
|
| + if (iCharWidth > 0) {
|
| + iWidth += iCharWidth;
|
| + }
|
| + if (m_bPagination) {
|
| + continue;
|
| + }
|
| + pTC->m_dwStatus = 0;
|
| + }
|
| + pNextLine->m_iWidth = iWidth;
|
| +}
|
| +int32_t CFX_TxtBreak::CountBreakChars() const {
|
| + CFX_TxtLine* pTxtLine = GetTxtLine(TRUE);
|
| + return pTxtLine == NULL ? 0 : pTxtLine->CountChars();
|
| +}
|
| +int32_t CFX_TxtBreak::CountBreakPieces() const {
|
| + CFX_TxtPieceArray* pTxtPieces = GetTxtPieces(TRUE);
|
| + if (pTxtPieces == NULL) {
|
| + return 0;
|
| + }
|
| + return pTxtPieces->GetSize();
|
| +}
|
| +const CFX_TxtPiece* CFX_TxtBreak::GetBreakPiece(int32_t index) const {
|
| + CFX_TxtPieceArray* pTxtPieces = GetTxtPieces(TRUE);
|
| + if (pTxtPieces == NULL) {
|
| + return NULL;
|
| + }
|
| + if (index < 0 || index >= pTxtPieces->GetSize()) {
|
| + return NULL;
|
| + }
|
| + return pTxtPieces->GetPtrAt(index);
|
| +}
|
| +void CFX_TxtBreak::ClearBreakPieces() {
|
| + CFX_TxtLine* pTxtLine = GetTxtLine(TRUE);
|
| + if (pTxtLine != NULL) {
|
| + pTxtLine->RemoveAll(TRUE);
|
| + }
|
| + m_iReady = 0;
|
| +}
|
| +void CFX_TxtBreak::Reset() {
|
| + m_dwCharType = 0;
|
| + m_iArabicContext = m_iCurArabicContext = 1;
|
| + ResetArabicContext();
|
| + m_pTxtLine1->RemoveAll(TRUE);
|
| + m_pTxtLine2->RemoveAll(TRUE);
|
| +}
|
| +typedef struct _FX_FORMCHAR {
|
| + FX_WORD wch;
|
| + FX_WORD wForm;
|
| + int32_t iWidth;
|
| +} FX_FORMCHAR, *FX_LPFORMCHAR;
|
| +typedef FX_FORMCHAR const* FX_LPCFORMCHAR;
|
| +int32_t CFX_TxtBreak::GetDisplayPos(FX_LPCTXTRUN pTxtRun,
|
| + FXTEXT_CHARPOS* pCharPos,
|
| + FX_BOOL bCharCode,
|
| + CFX_WideString* pWSForms,
|
| + FX_AdjustCharDisplayPos pAdjustPos) const {
|
| + if (pTxtRun == NULL || pTxtRun->iLength < 1) {
|
| + return 0;
|
| + }
|
| + IFX_TxtAccess* pAccess = pTxtRun->pAccess;
|
| + void* pIdentity = pTxtRun->pIdentity;
|
| + const FX_WCHAR* pStr = pTxtRun->pStr;
|
| + int32_t* pWidths = pTxtRun->pWidths;
|
| + int32_t iLength = pTxtRun->iLength - 1;
|
| + IFX_Font* pFont = pTxtRun->pFont;
|
| + FX_DWORD dwStyles = pTxtRun->dwStyles;
|
| + CFX_RectF rtText(*pTxtRun->pRect);
|
| + FX_BOOL bRTLPiece =
|
| + (pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_OddBidiLevel) != 0;
|
| + FX_BOOL bArabicNumber =
|
| + (pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_ArabicNumber) != 0;
|
| + FX_BOOL bArabicComma =
|
| + (pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_ArabicComma) != 0;
|
| + FX_FLOAT fFontSize = pTxtRun->fFontSize;
|
| + int32_t iFontSize = FXSYS_round(fFontSize * 20.0f);
|
| + int32_t iAscent = pFont->GetAscent();
|
| + int32_t iDescent = pFont->GetDescent();
|
| + int32_t iMaxHeight = iAscent - iDescent;
|
| + FX_FLOAT fFontHeight = fFontSize;
|
| + FX_FLOAT fAscent = fFontHeight * (FX_FLOAT)iAscent / (FX_FLOAT)iMaxHeight;
|
| + FX_FLOAT fDescent = fFontHeight * (FX_FLOAT)iDescent / (FX_FLOAT)iMaxHeight;
|
| + FX_BOOL bVerticalDoc = (dwStyles & FX_TXTLAYOUTSTYLE_VerticalLayout) != 0;
|
| + FX_BOOL bVerticalChar = (dwStyles & FX_TXTLAYOUTSTYLE_VerticalChars) != 0;
|
| + int32_t iRotation = GetLineRotation(dwStyles) + pTxtRun->iCharRotation;
|
| + int32_t iCharRotation;
|
| + FX_WCHAR wch, wPrev = 0xFEFF, wNext, wForm, wLast = 0xFEFF;
|
| + int32_t iWidth, iCharWidth, iCharHeight;
|
| + FX_FLOAT fX, fY, fCharWidth, fCharHeight;
|
| + int32_t iHorScale = pTxtRun->iHorizontalScale;
|
| + int32_t iVerScale = pTxtRun->iVerticalScale;
|
| + FX_BOOL bSkipSpace = pTxtRun->bSkipSpace;
|
| + FX_BOOL bEmptyChar, bShadda = FALSE, bLam = FALSE;
|
| + FX_DWORD dwProps, dwCharType;
|
| + FX_FORMCHAR formChars[3];
|
| + FX_FLOAT fYBase;
|
| + fX = rtText.left;
|
| + if (bVerticalDoc) {
|
| + fX += (rtText.width - fFontSize) / 2.0f;
|
| + fYBase = bRTLPiece ? rtText.bottom() : rtText.top;
|
| + fY = fYBase;
|
| + } else {
|
| + if (bRTLPiece) {
|
| + fX = rtText.right();
|
| + }
|
| + fYBase = rtText.top + (rtText.height - fFontSize) / 2.0f;
|
| + fY = fYBase + fAscent;
|
| + }
|
| + int32_t iCount = 0, iNext, iForms;
|
| + for (int32_t i = 0; i <= iLength; i++) {
|
| + if (pAccess != NULL) {
|
| + wch = pAccess->GetChar(pIdentity, i);
|
| + iWidth = pAccess->GetWidth(pIdentity, i);
|
| + } else {
|
| + wch = *pStr++;
|
| + iWidth = *pWidths++;
|
| + }
|
| + dwProps = FX_GetUnicodeProperties(wch);
|
| + dwCharType = (dwProps & FX_CHARTYPEBITSMASK);
|
| + if (dwCharType == FX_CHARTYPE_ArabicAlef && iWidth == 0) {
|
| + wPrev = 0xFEFF;
|
| + wLast = wch;
|
| + continue;
|
| + }
|
| + if (dwCharType >= FX_CHARTYPE_ArabicAlef) {
|
| + if (i < iLength) {
|
| + if (pAccess != NULL) {
|
| + iNext = i + 1;
|
| + while (iNext <= iLength) {
|
| + wNext = pAccess->GetChar(pIdentity, iNext);
|
| + dwProps = FX_GetUnicodeProperties(wNext);
|
| + if ((dwProps & FX_CHARTYPEBITSMASK) != FX_CHARTYPE_Combination) {
|
| + break;
|
| + }
|
| + iNext++;
|
| + }
|
| + if (iNext > iLength) {
|
| + wNext = 0xFEFF;
|
| + }
|
| + } else {
|
| + int32_t j = -1;
|
| + do {
|
| + j++;
|
| + if (i + j >= iLength) {
|
| + break;
|
| + }
|
| + wNext = pStr[j];
|
| + dwProps = FX_GetUnicodeProperties(wNext);
|
| + } while ((dwProps & FX_CHARTYPEBITSMASK) == FX_CHARTYPE_Combination);
|
| + if (i + j >= iLength) {
|
| + wNext = 0xFEFF;
|
| + }
|
| + }
|
| + } else {
|
| + wNext = 0xFEFF;
|
| + }
|
| + wForm = m_pArabicChar->GetFormChar(wch, wPrev, wNext);
|
| + bLam = (wPrev == 0x0644 && wch == 0x0644 && wNext == 0x0647);
|
| + } else if (dwCharType == FX_CHARTYPE_Combination) {
|
| + wForm = wch;
|
| + if (wch >= 0x064C && wch <= 0x0651) {
|
| + if (bShadda) {
|
| + wForm = 0xFEFF;
|
| + bShadda = FALSE;
|
| + } else {
|
| + wNext = 0xFEFF;
|
| + if (pAccess != NULL) {
|
| + iNext = i + 1;
|
| + if (iNext <= iLength) {
|
| + wNext = pAccess->GetChar(pIdentity, iNext);
|
| + }
|
| + } else {
|
| + if (i < iLength) {
|
| + wNext = *pStr;
|
| + }
|
| + }
|
| + if (wch == 0x0651) {
|
| + if (wNext >= 0x064C && wNext <= 0x0650) {
|
| + wForm = FX_GetArabicFromShaddaTable(wNext);
|
| + bShadda = TRUE;
|
| + }
|
| + } else {
|
| + if (wNext == 0x0651) {
|
| + wForm = FX_GetArabicFromShaddaTable(wch);
|
| + bShadda = TRUE;
|
| + }
|
| + }
|
| + }
|
| + } else {
|
| + bShadda = FALSE;
|
| + }
|
| + } else if (dwCharType == FX_CHARTYPE_Numeric) {
|
| + wForm = wch;
|
| + if (bArabicNumber) {
|
| + wForm += 0x0630;
|
| + }
|
| + } else if (wch == L'.') {
|
| + wForm = wch;
|
| + if (bArabicNumber) {
|
| + wNext = 0xFEFF;
|
| + if (pAccess != NULL) {
|
| + iNext = i + 1;
|
| + if (iNext <= iLength) {
|
| + wNext = pAccess->GetChar(pIdentity, iNext);
|
| + }
|
| + } else {
|
| + if (i < iLength) {
|
| + wNext = *pStr;
|
| + }
|
| + }
|
| + if (wNext >= L'0' && wNext <= L'9') {
|
| + wForm = 0x066B;
|
| + }
|
| + }
|
| + } else if (wch == L',') {
|
| + wForm = wch;
|
| + if (bArabicComma) {
|
| + wForm = 0x060C;
|
| + }
|
| + } else if (bRTLPiece || bVerticalChar) {
|
| + wForm = FX_GetMirrorChar(wch, dwProps, bRTLPiece, bVerticalChar);
|
| + } else {
|
| + wForm = wch;
|
| + }
|
| + if (dwCharType != FX_CHARTYPE_Combination) {
|
| + bShadda = FALSE;
|
| + }
|
| + if (dwCharType < FX_CHARTYPE_ArabicAlef) {
|
| + bLam = FALSE;
|
| + }
|
| + dwProps = FX_GetUnicodeProperties(wForm);
|
| + iCharRotation = iRotation;
|
| + if (bVerticalChar && (dwProps & 0x8000) != 0) {
|
| + iCharRotation++;
|
| + }
|
| + iCharRotation %= 4;
|
| + bEmptyChar =
|
| + (dwCharType >= FX_CHARTYPE_Tab && dwCharType <= FX_CHARTYPE_Control);
|
| + if (wForm == 0xFEFF) {
|
| + bEmptyChar = TRUE;
|
| + }
|
| + iForms = bLam ? 3 : 1;
|
| + iCount += (bEmptyChar && bSkipSpace) ? 0 : iForms;
|
| + if (pCharPos == NULL) {
|
| + if (iWidth > 0) {
|
| + wPrev = wch;
|
| + }
|
| + wLast = wch;
|
| + continue;
|
| + }
|
| + iCharWidth = iWidth;
|
| + if (iCharWidth < 0) {
|
| + iCharWidth = -iCharWidth;
|
| + }
|
| + iCharWidth /= iFontSize;
|
| + formChars[0].wch = wch;
|
| + formChars[0].wForm = wForm;
|
| + formChars[0].iWidth = iCharWidth;
|
| + if (bLam) {
|
| + formChars[1].wForm = 0x0651;
|
| + iCharWidth = 0;
|
| + pFont->GetCharWidth(0x0651, iCharWidth, FALSE);
|
| + formChars[1].iWidth = iCharWidth;
|
| + formChars[2].wForm = 0x0670;
|
| + iCharWidth = 0;
|
| + pFont->GetCharWidth(0x0670, iCharWidth, FALSE);
|
| + formChars[2].iWidth = iCharWidth;
|
| + }
|
| + for (int32_t j = 0; j < iForms; j++) {
|
| + wForm = (FX_WCHAR)formChars[j].wForm;
|
| + iCharWidth = formChars[j].iWidth;
|
| + if (j > 0) {
|
| + dwCharType = FX_CHARTYPE_Combination;
|
| + wch = wForm;
|
| + wLast = (FX_WCHAR)formChars[j - 1].wForm;
|
| + }
|
| + if (!bEmptyChar || (bEmptyChar && !bSkipSpace)) {
|
| + pCharPos->m_GlyphIndex =
|
| + bCharCode ? wch : pFont->GetGlyphIndex(wForm, FALSE);
|
| + pCharPos->m_ExtGID = pCharPos->m_GlyphIndex;
|
| + pCharPos->m_FontCharWidth = iCharWidth;
|
| + if (pWSForms) {
|
| + *pWSForms += wForm;
|
| + }
|
| + }
|
| + if (bVerticalDoc) {
|
| + iCharHeight = iCharWidth;
|
| + iCharWidth = 1000;
|
| + } else {
|
| + iCharHeight = 1000;
|
| + }
|
| + fCharWidth = fFontSize * iCharWidth / 1000.0f;
|
| + fCharHeight = fFontSize * iCharHeight / 1000.0f;
|
| + if (bRTLPiece && dwCharType != FX_CHARTYPE_Combination) {
|
| + if (bVerticalDoc) {
|
| + fY -= fCharHeight;
|
| + } else {
|
| + fX -= fCharWidth;
|
| + }
|
| + }
|
| + if (!bEmptyChar || (bEmptyChar && !bSkipSpace)) {
|
| + pCharPos->m_OriginX = fX;
|
| + pCharPos->m_OriginY = fY;
|
| + if ((dwStyles & FX_TXTLAYOUTSTYLE_CombText) != 0) {
|
| + int32_t iFormWidth = iCharWidth;
|
| + pFont->GetCharWidth(wForm, iFormWidth, FALSE);
|
| + FX_FLOAT fOffset = fFontSize * (iCharWidth - iFormWidth) / 2000.0f;
|
| + if (bVerticalDoc) {
|
| + pCharPos->m_OriginY += fOffset;
|
| + } else {
|
| + pCharPos->m_OriginX += fOffset;
|
| + }
|
| + }
|
| + if (dwCharType == FX_CHARTYPE_Combination) {
|
| + CFX_Rect rtBBox;
|
| + rtBBox.Reset();
|
| + if (pFont->GetCharBBox(wForm, rtBBox, FALSE)) {
|
| + pCharPos->m_OriginY =
|
| + fYBase + fFontSize -
|
| + fFontSize * (FX_FLOAT)rtBBox.height / (FX_FLOAT)iMaxHeight;
|
| + }
|
| + if (wForm == wch && wLast != 0xFEFF) {
|
| + FX_DWORD dwLastProps = FX_GetUnicodeProperties(wLast);
|
| + if ((dwLastProps & FX_CHARTYPEBITSMASK) ==
|
| + FX_CHARTYPE_Combination) {
|
| + CFX_Rect rtBBox;
|
| + rtBBox.Reset();
|
| + if (pFont->GetCharBBox(wLast, rtBBox, FALSE)) {
|
| + pCharPos->m_OriginY -= fFontSize * rtBBox.height / iMaxHeight;
|
| + }
|
| + }
|
| + }
|
| + }
|
| + CFX_PointF ptOffset;
|
| + ptOffset.Reset();
|
| + FX_BOOL bAdjusted = FALSE;
|
| + if (pAdjustPos) {
|
| + bAdjusted = pAdjustPos(wForm, bCharCode, pFont, fFontSize,
|
| + bVerticalChar, ptOffset);
|
| + }
|
| + if (!bAdjusted && bVerticalChar && (dwProps & 0x00010000) != 0) {
|
| + CFX_Rect rtBBox;
|
| + rtBBox.Reset();
|
| + if (pFont->GetCharBBox(wForm, rtBBox, FALSE)) {
|
| + ptOffset.x = fFontSize * (850 - rtBBox.right()) / iMaxHeight;
|
| + ptOffset.y = fFontSize * (iAscent - rtBBox.top - 150) / iMaxHeight;
|
| + }
|
| + }
|
| + pCharPos->m_OriginX += ptOffset.x;
|
| + pCharPos->m_OriginY -= ptOffset.y;
|
| + }
|
| + if (!bRTLPiece && dwCharType != FX_CHARTYPE_Combination) {
|
| + if (bVerticalDoc) {
|
| + fY += fCharHeight;
|
| + } else {
|
| + fX += fCharWidth;
|
| + }
|
| + }
|
| + if (!bEmptyChar || (bEmptyChar && !bSkipSpace)) {
|
| + pCharPos->m_bGlyphAdjust = TRUE;
|
| + if (bVerticalDoc) {
|
| + if (iCharRotation == 0) {
|
| + pCharPos->m_AdjustMatrix[0] = -1;
|
| + pCharPos->m_AdjustMatrix[1] = 0;
|
| + pCharPos->m_AdjustMatrix[2] = 0;
|
| + pCharPos->m_AdjustMatrix[3] = 1;
|
| + pCharPos->m_OriginY += fAscent;
|
| + } else if (iCharRotation == 1) {
|
| + pCharPos->m_AdjustMatrix[0] = 0;
|
| + pCharPos->m_AdjustMatrix[1] = -1;
|
| + pCharPos->m_AdjustMatrix[2] = -1;
|
| + pCharPos->m_AdjustMatrix[3] = 0;
|
| + pCharPos->m_OriginX -= fDescent;
|
| + } else if (iCharRotation == 2) {
|
| + pCharPos->m_AdjustMatrix[0] = 1;
|
| + pCharPos->m_AdjustMatrix[1] = 0;
|
| + pCharPos->m_AdjustMatrix[2] = 0;
|
| + pCharPos->m_AdjustMatrix[3] = -1;
|
| + pCharPos->m_OriginX += fCharWidth;
|
| + pCharPos->m_OriginY += fAscent;
|
| + } else {
|
| + pCharPos->m_AdjustMatrix[0] = 0;
|
| + pCharPos->m_AdjustMatrix[1] = 1;
|
| + pCharPos->m_AdjustMatrix[2] = 1;
|
| + pCharPos->m_AdjustMatrix[3] = 0;
|
| + pCharPos->m_OriginX += fAscent;
|
| + }
|
| + } else {
|
| + if (iCharRotation == 0) {
|
| + pCharPos->m_AdjustMatrix[0] = -1;
|
| + pCharPos->m_AdjustMatrix[1] = 0;
|
| + pCharPos->m_AdjustMatrix[2] = 0;
|
| + pCharPos->m_AdjustMatrix[3] = 1;
|
| + } else if (iCharRotation == 1) {
|
| + pCharPos->m_AdjustMatrix[0] = 0;
|
| + pCharPos->m_AdjustMatrix[1] = -1;
|
| + pCharPos->m_AdjustMatrix[2] = -1;
|
| + pCharPos->m_AdjustMatrix[3] = 0;
|
| + pCharPos->m_OriginX -= fDescent;
|
| + pCharPos->m_OriginY -= fAscent + fDescent;
|
| + } else if (iCharRotation == 2) {
|
| + pCharPos->m_AdjustMatrix[0] = 1;
|
| + pCharPos->m_AdjustMatrix[1] = 0;
|
| + pCharPos->m_AdjustMatrix[2] = 0;
|
| + pCharPos->m_AdjustMatrix[3] = -1;
|
| + pCharPos->m_OriginX += fCharWidth;
|
| + pCharPos->m_OriginY -= fAscent;
|
| + } else {
|
| + pCharPos->m_AdjustMatrix[0] = 0;
|
| + pCharPos->m_AdjustMatrix[1] = 1;
|
| + pCharPos->m_AdjustMatrix[2] = 1;
|
| + pCharPos->m_AdjustMatrix[3] = 0;
|
| + pCharPos->m_OriginX += fAscent;
|
| + }
|
| + }
|
| + if (iHorScale != 100 || iVerScale != 100) {
|
| + pCharPos->m_AdjustMatrix[0] =
|
| + pCharPos->m_AdjustMatrix[0] * iHorScale / 100.0f;
|
| + pCharPos->m_AdjustMatrix[1] =
|
| + pCharPos->m_AdjustMatrix[1] * iHorScale / 100.0f;
|
| + pCharPos->m_AdjustMatrix[2] =
|
| + pCharPos->m_AdjustMatrix[2] * iVerScale / 100.0f;
|
| + pCharPos->m_AdjustMatrix[3] =
|
| + pCharPos->m_AdjustMatrix[3] * iVerScale / 100.0f;
|
| + }
|
| + pCharPos++;
|
| + }
|
| + }
|
| + if (iWidth > 0) {
|
| + wPrev = (FX_WCHAR)formChars[0].wch;
|
| + }
|
| + wLast = wch;
|
| + }
|
| + return iCount;
|
| +}
|
| +int32_t CFX_TxtBreak::GetCharRects(FX_LPCTXTRUN pTxtRun,
|
| + CFX_RectFArray& rtArray,
|
| + FX_BOOL bCharBBox) const {
|
| + if (pTxtRun == NULL || pTxtRun->iLength < 1) {
|
| + return 0;
|
| + }
|
| + IFX_TxtAccess* pAccess = pTxtRun->pAccess;
|
| + void* pIdentity = pTxtRun->pIdentity;
|
| + const FX_WCHAR* pStr = pTxtRun->pStr;
|
| + int32_t* pWidths = pTxtRun->pWidths;
|
| + int32_t iLength = pTxtRun->iLength;
|
| + CFX_RectF rect(*pTxtRun->pRect);
|
| + FX_BOOL bRTLPiece =
|
| + (pTxtRun->dwCharStyles & FX_TXTCHARSTYLE_OddBidiLevel) != 0;
|
| + FX_FLOAT fFontSize = pTxtRun->fFontSize;
|
| + int32_t iFontSize = FXSYS_round(fFontSize * 20.0f);
|
| + FX_FLOAT fScale = fFontSize / 1000.0f;
|
| + IFX_Font* pFont = pTxtRun->pFont;
|
| + if (pFont == NULL) {
|
| + bCharBBox = FALSE;
|
| + }
|
| + CFX_Rect bbox;
|
| + bbox.Set(0, 0, 0, 0);
|
| + if (bCharBBox) {
|
| + bCharBBox = pFont->GetBBox(bbox);
|
| + }
|
| + FX_FLOAT fLeft = std::max(0.0f, bbox.left * fScale);
|
| + FX_FLOAT fHeight = FXSYS_fabs(bbox.height * fScale);
|
| + rtArray.RemoveAll();
|
| + rtArray.SetSize(iLength);
|
| + FX_BOOL bVertical =
|
| + (pTxtRun->dwStyles & FX_TXTLAYOUTSTYLE_VerticalLayout) != 0;
|
| + FX_BOOL bSingleLine = (pTxtRun->dwStyles & FX_TXTLAYOUTSTYLE_SingleLine) != 0;
|
| + FX_BOOL bCombText = (pTxtRun->dwStyles & FX_TXTLAYOUTSTYLE_CombText) != 0;
|
| + FX_WCHAR wch, wLineBreakChar = pTxtRun->wLineBreakChar;
|
| + int32_t iCharSize;
|
| + FX_FLOAT fCharSize, fStart;
|
| + if (bVertical) {
|
| + fStart = bRTLPiece ? rect.bottom() : rect.top;
|
| + } else {
|
| + fStart = bRTLPiece ? rect.right() : rect.left;
|
| + }
|
| + for (int32_t i = 0; i < iLength; i++) {
|
| + if (pAccess != NULL) {
|
| + wch = pAccess->GetChar(pIdentity, i);
|
| + iCharSize = pAccess->GetWidth(pIdentity, i);
|
| + } else {
|
| + wch = *pStr++;
|
| + iCharSize = *pWidths++;
|
| + }
|
| + fCharSize = (FX_FLOAT)iCharSize / 20000.0f;
|
| + FX_BOOL bRet = (!bSingleLine && FX_IsCtrlCode(wch));
|
| + if (!(wch == L'\v' || wch == L'\f' || wch == 0x2028 || wch == 0x2029 ||
|
| + (wLineBreakChar != 0xFEFF && wch == wLineBreakChar))) {
|
| + bRet = FALSE;
|
| + }
|
| + if (bRet) {
|
| + iCharSize = iFontSize * 500;
|
| + fCharSize = fFontSize / 2.0f;
|
| + }
|
| + if (bVertical) {
|
| + rect.top = fStart;
|
| + if (bRTLPiece) {
|
| + rect.top -= fCharSize;
|
| + fStart -= fCharSize;
|
| + } else {
|
| + fStart += fCharSize;
|
| + }
|
| + rect.height = fCharSize;
|
| + } else {
|
| + rect.left = fStart;
|
| + if (bRTLPiece) {
|
| + rect.left -= fCharSize;
|
| + fStart -= fCharSize;
|
| + } else {
|
| + fStart += fCharSize;
|
| + }
|
| + rect.width = fCharSize;
|
| + }
|
| + if (bCharBBox && !bRet) {
|
| + int32_t iCharWidth = 1000;
|
| + pFont->GetCharWidth(wch, iCharWidth);
|
| + FX_FLOAT fRTLeft = 0, fCharWidth = 0;
|
| + if (iCharWidth > 0) {
|
| + fCharWidth = iCharWidth * fScale;
|
| + fRTLeft = fLeft;
|
| + if (bCombText) {
|
| + fRTLeft = (rect.width - fCharWidth) / 2.0f;
|
| + }
|
| + }
|
| + CFX_RectF rtBBoxF;
|
| + if (bVertical) {
|
| + rtBBoxF.top = rect.left + fRTLeft;
|
| + rtBBoxF.left = rect.top + (rect.height - fHeight) / 2.0f;
|
| + rtBBoxF.height = fCharWidth;
|
| + rtBBoxF.width = fHeight;
|
| + rtBBoxF.left = std::max(rtBBoxF.left, 0.0f);
|
| + } else {
|
| + rtBBoxF.left = rect.left + fRTLeft;
|
| + rtBBoxF.top = rect.top + (rect.height - fHeight) / 2.0f;
|
| + rtBBoxF.width = fCharWidth;
|
| + rtBBoxF.height = fHeight;
|
| + rtBBoxF.top = std::max(rtBBoxF.top, 0.0f);
|
| + }
|
| + rtArray.SetAt(i, rtBBoxF);
|
| + continue;
|
| + }
|
| + rtArray.SetAt(i, rect);
|
| + }
|
| + return iLength;
|
| +}
|
|
|
Chromium Code Reviews
Issue 1636873004:
XFA: Fix DOS newlines (Closed)
Base URL: https://pdfium.googlesource.com/pdfium.git@xfa