// Copyright 2014 PDFium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
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#include "xfa/fgas/layout/fgas_textbreak.h"
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#include <algorithm>
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#include "core/fxcrt/include/fx_arabic.h"
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#include "core/fxcrt/include/fx_arb.h"
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#include "core/fxcrt/include/fx_memory.h"
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#include "xfa/fgas/font/fgas_gefont.h"
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#include "xfa/fgas/layout/fgas_linebreak.h"
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#include "xfa/fgas/layout/fgas_unicode.h"
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namespace {
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typedef uint32_t (CFX_TxtBreak::*FX_TxtBreak_LPFAppendChar)(
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CFX_TxtChar* pCurChar,
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int32_t iRotation);
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const FX_TxtBreak_LPFAppendChar g_FX_TxtBreak_lpfAppendChar[16] = {
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&CFX_TxtBreak::AppendChar_Others, &CFX_TxtBreak::AppendChar_Tab,
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&CFX_TxtBreak::AppendChar_Others, &CFX_TxtBreak::AppendChar_Control,
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&CFX_TxtBreak::AppendChar_Combination, &CFX_TxtBreak::AppendChar_Others,
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&CFX_TxtBreak::AppendChar_Others, &CFX_TxtBreak::AppendChar_Arabic,
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&CFX_TxtBreak::AppendChar_Arabic, &CFX_TxtBreak::AppendChar_Arabic,
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&CFX_TxtBreak::AppendChar_Arabic, &CFX_TxtBreak::AppendChar_Arabic,
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&CFX_TxtBreak::AppendChar_Arabic, &CFX_TxtBreak::AppendChar_Others,
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&CFX_TxtBreak::AppendChar_Others, &CFX_TxtBreak::AppendChar_Others,
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};
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} // namespace
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CFX_TxtBreak::CFX_TxtBreak(uint32_t dwPolicies)
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: m_dwPolicies(dwPolicies),
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m_iLineWidth(2000000),
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m_dwLayoutStyles(0),
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m_bVertical(FALSE),
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m_bArabicContext(FALSE),
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m_bArabicShapes(FALSE),
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m_bRTL(FALSE),
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m_bSingleLine(FALSE),
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m_bCombText(FALSE),
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m_iArabicContext(1),
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m_iCurArabicContext(1),
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m_pFont(nullptr),
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m_iFontSize(240),
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m_bEquidistant(TRUE),
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m_iTabWidth(720000),
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m_wDefChar(0xFEFF),
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m_wParagBreakChar(L'\n'),
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m_iDefChar(0),
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m_iLineRotation(0),
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m_iCharRotation(0),
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m_iRotation(0),
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m_iAlignment(FX_TXTLINEALIGNMENT_Left),
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m_dwContextCharStyles(0),
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m_iCombWidth(360000),
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m_pUserData(nullptr),
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m_eCharType(FX_CHARTYPE_Unknown),
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m_bArabicNumber(FALSE),
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m_bArabicComma(FALSE),
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m_pCurLine(nullptr),
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m_iReady(0),
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m_iTolerance(0),
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m_iHorScale(100),
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m_iVerScale(100),
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m_iCharSpace(0) {
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m_bPagination = (m_dwPolicies & FX_TXTBREAKPOLICY_Pagination) != 0;
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if (m_bPagination) {
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m_pTxtLine1 = new CFX_TxtLine(sizeof(CFX_Char));
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m_pTxtLine2 = new CFX_TxtLine(sizeof(CFX_Char));
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} else {
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m_pTxtLine1 = new CFX_TxtLine(sizeof(CFX_TxtChar));
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m_pTxtLine2 = new CFX_TxtLine(sizeof(CFX_TxtChar));
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}
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m_pCurLine = m_pTxtLine1;
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ResetArabicContext();
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}
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CFX_TxtBreak::~CFX_TxtBreak() {
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Reset();
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delete m_pTxtLine1;
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delete m_pTxtLine2;
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}
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void CFX_TxtBreak::SetLineWidth(FX_FLOAT fLineWidth) {
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m_iLineWidth = FXSYS_round(fLineWidth * 20000.0f);
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ASSERT(m_iLineWidth >= 20000);
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}
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void CFX_TxtBreak::SetLinePos(FX_FLOAT fLinePos) {
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int32_t iLinePos = FXSYS_round(fLinePos * 20000.0f);
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if (iLinePos < 0) {
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iLinePos = 0;
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}
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if (iLinePos > m_iLineWidth) {
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iLinePos = m_iLineWidth;
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}
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m_pCurLine->m_iStart = iLinePos;
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m_pCurLine->m_iWidth += iLinePos;
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}
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void CFX_TxtBreak::SetLayoutStyles(uint32_t dwLayoutStyles) {
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m_dwLayoutStyles = dwLayoutStyles;
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m_bVertical = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_VerticalChars) != 0;
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m_bArabicContext = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_ArabicContext) != 0;
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m_bArabicShapes = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_ArabicShapes) != 0;
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m_bRTL = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_RTLReadingOrder) != 0;
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m_bSingleLine = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_SingleLine) != 0;
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m_bCombText = (m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_CombText) != 0;
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ResetArabicContext();
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m_iLineRotation = GetLineRotation(m_dwLayoutStyles);
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m_iRotation = m_iLineRotation + m_iCharRotation;
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m_iRotation %= 4;
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}
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void CFX_TxtBreak::SetFont(CFGAS_GEFont* pFont) {
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if (!pFont) {
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return;
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}
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if (m_pFont == pFont) {
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return;
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}
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SetBreakStatus();
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m_pFont = pFont;
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m_iDefChar = 0;
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if (m_wDefChar != 0xFEFF && m_pFont) {
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m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE);
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m_iDefChar *= m_iFontSize;
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}
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}
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void CFX_TxtBreak::SetFontSize(FX_FLOAT fFontSize) {
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int32_t iFontSize = FXSYS_round(fFontSize * 20.0f);
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if (m_iFontSize == iFontSize) {
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return;
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}
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SetBreakStatus();
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m_iFontSize = iFontSize;
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m_iDefChar = 0;
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if (m_wDefChar != 0xFEFF && m_pFont) {
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m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE);
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m_iDefChar *= m_iFontSize;
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}
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}
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void CFX_TxtBreak::SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant) {
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m_iTabWidth = FXSYS_round(fTabWidth * 20000.0f);
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if (m_iTabWidth < FX_TXTBREAK_MinimumTabWidth) {
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m_iTabWidth = FX_TXTBREAK_MinimumTabWidth;
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}
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m_bEquidistant = bEquidistant;
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}
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void CFX_TxtBreak::SetDefaultChar(FX_WCHAR wch) {
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m_wDefChar = wch;
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m_iDefChar = 0;
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if (m_wDefChar != 0xFEFF && m_pFont) {
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m_pFont->GetCharWidth(m_wDefChar, m_iDefChar, FALSE);
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if (m_iDefChar < 0) {
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m_iDefChar = 0;
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} else {
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m_iDefChar *= m_iFontSize;
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}
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}
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}
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void CFX_TxtBreak::SetParagraphBreakChar(FX_WCHAR wch) {
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if (wch != L'\r' && wch != L'\n') {
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return;
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}
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m_wParagBreakChar = wch;
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}
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void CFX_TxtBreak::SetLineBreakTolerance(FX_FLOAT fTolerance) {
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m_iTolerance = FXSYS_round(fTolerance * 20000.0f);
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}
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void CFX_TxtBreak::SetCharRotation(int32_t iCharRotation) {
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if (iCharRotation < 0) {
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iCharRotation += (-iCharRotation / 4 + 1) * 4;
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} else if (iCharRotation > 3) {
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iCharRotation -= (iCharRotation / 4) * 4;
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}
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if (m_iCharRotation == iCharRotation) {
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return;
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}
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SetBreakStatus();
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m_iCharRotation = iCharRotation;
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m_iRotation = m_iLineRotation + m_iCharRotation;
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m_iRotation %= 4;
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}
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void CFX_TxtBreak::SetAlignment(int32_t iAlignment) {
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ASSERT(iAlignment >= FX_TXTLINEALIGNMENT_Left &&
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iAlignment <= FX_TXTLINEALIGNMENT_Distributed);
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m_iAlignment = iAlignment;
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ResetArabicContext();
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}
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void CFX_TxtBreak::ResetContextCharStyles() {
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m_dwContextCharStyles = m_bArabicContext ? m_iCurAlignment : m_iAlignment;
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if (m_bArabicNumber) {
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m_dwContextCharStyles |= FX_TXTCHARSTYLE_ArabicNumber;
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}
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if (m_bArabicComma) {
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m_dwContextCharStyles |= FX_TXTCHARSTYLE_ArabicComma;
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}
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if ((m_bArabicContext && m_bCurRTL) || (!m_bArabicContext && m_bRTL)) {
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m_dwContextCharStyles |= FX_TXTCHARSTYLE_RTLReadingOrder;
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}
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m_dwContextCharStyles |= (m_iArabicContext << 8);
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}
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uint32_t CFX_TxtBreak::GetContextCharStyles() const {
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return m_dwContextCharStyles;
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}
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void CFX_TxtBreak::SetContextCharStyles(uint32_t dwCharStyles) {
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m_iCurAlignment = dwCharStyles & 0x0F;
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m_bArabicNumber = (dwCharStyles & FX_TXTCHARSTYLE_ArabicNumber) != 0;
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m_bArabicComma = (dwCharStyles & FX_TXTCHARSTYLE_ArabicComma) != 0;
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m_bCurRTL = (dwCharStyles & FX_TXTCHARSTYLE_RTLReadingOrder) != 0;
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m_iCurArabicContext = m_iArabicContext = ((dwCharStyles & 0x0300) >> 8);
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ResetContextCharStyles();
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}
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void CFX_TxtBreak::SetCombWidth(FX_FLOAT fCombWidth) {
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m_iCombWidth = FXSYS_round(fCombWidth * 20000.0f);
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}
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void CFX_TxtBreak::SetUserData(void* pUserData) {
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if (m_pUserData == pUserData) {
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return;
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}
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SetBreakStatus();
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m_pUserData = pUserData;
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}
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void CFX_TxtBreak::SetBreakStatus() {
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if (m_bPagination) {
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return;
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}
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int32_t iCount = m_pCurLine->CountChars();
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if (iCount < 1) {
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return;
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}
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CFX_TxtChar* pTC = m_pCurLine->GetCharPtr(iCount - 1);
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if (pTC->m_dwStatus == 0) {
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pTC->m_dwStatus = FX_TXTBREAK_PieceBreak;
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}
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}
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void CFX_TxtBreak::SetHorizontalScale(int32_t iScale) {
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if (iScale < 0) {
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iScale = 0;
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}
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if (iScale == m_iHorScale) {
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return;
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}
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SetBreakStatus();
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m_iHorScale = iScale;
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}
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void CFX_TxtBreak::SetVerticalScale(int32_t iScale) {
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if (iScale < 0) {
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iScale = 0;
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}
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if (iScale == m_iHorScale) {
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return;
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}
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SetBreakStatus();
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m_iVerScale = iScale;
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}
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void CFX_TxtBreak::SetCharSpace(FX_FLOAT fCharSpace) {
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m_iCharSpace = FXSYS_round(fCharSpace * 20000.0f);
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}
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static const int32_t gs_FX_TxtLineRotations[8] = {0, 3, 1, 0, 2, 1, 3, 2};
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int32_t CFX_TxtBreak::GetLineRotation(uint32_t dwStyles) const {
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return gs_FX_TxtLineRotations[(dwStyles & 0x0E) >> 1];
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}
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CFX_TxtChar* CFX_TxtBreak::GetLastChar(int32_t index, FX_BOOL bOmitChar) const {
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CFX_TxtCharArray& ca = *m_pCurLine->m_pLineChars;
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int32_t iCount = ca.GetSize();
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if (index < 0 || index >= iCount) {
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return nullptr;
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}
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CFX_TxtChar* pTC;
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int32_t iStart = iCount - 1;
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while (iStart > -1) {
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pTC = ca.GetDataPtr(iStart--);
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if (bOmitChar && pTC->GetCharType() == FX_CHARTYPE_Combination) {
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continue;
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}
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if (--index < 0) {
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return pTC;
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}
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}
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return nullptr;
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}
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CFX_TxtLine* CFX_TxtBreak::GetTxtLine(FX_BOOL bReady) const {
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if (!bReady)
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return m_pCurLine;
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if (m_iReady == 1)
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return m_pTxtLine1;
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if (m_iReady == 2)
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return m_pTxtLine2;
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return nullptr;
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}
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CFX_TxtPieceArray* CFX_TxtBreak::GetTxtPieces(FX_BOOL bReady) const {
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CFX_TxtLine* pTxtLine = GetTxtLine(bReady);
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if (!pTxtLine) {
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return nullptr;
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}
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return pTxtLine->m_pLinePieces;
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}
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inline FX_CHARTYPE CFX_TxtBreak::GetUnifiedCharType(
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FX_CHARTYPE chartype) const {
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return chartype >= FX_CHARTYPE_ArabicAlef ? FX_CHARTYPE_Arabic : chartype;
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}
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void CFX_TxtBreak::ResetArabicContext() {
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if (m_bArabicContext) {
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m_bCurRTL = m_iCurArabicContext > 1;
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m_iCurAlignment = m_iCurArabicContext > 1 ? FX_TXTLINEALIGNMENT_Right
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: FX_TXTLINEALIGNMENT_Left;
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m_iCurAlignment |= (m_iAlignment & FX_TXTLINEALIGNMENT_HigherMask);
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m_bArabicNumber = m_iArabicContext >= 1 && m_bArabicShapes;
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} else {
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if (m_bPagination) {
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m_bCurRTL = FALSE;
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m_iCurAlignment = 0;
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} else {
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m_bCurRTL = m_bRTL;
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m_iCurAlignment = m_iAlignment;
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}
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if (m_bRTL) {
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m_bArabicNumber = m_iArabicContext >= 1;
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} else {
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m_bArabicNumber = m_iArabicContext > 1;
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}
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m_bArabicNumber = m_bArabicNumber && m_bArabicShapes;
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}
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m_bArabicComma = m_bArabicNumber;
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ResetContextCharStyles();
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}
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void CFX_TxtBreak::AppendChar_PageLoad(CFX_TxtChar* pCurChar,
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uint32_t dwProps) {
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if (!m_bPagination) {
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pCurChar->m_dwStatus = 0;
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pCurChar->m_pUserData = m_pUserData;
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}
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if (m_bArabicContext || m_bArabicShapes) {
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int32_t iBidiCls = (dwProps & FX_BIDICLASSBITSMASK) >> FX_BIDICLASSBITS;
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int32_t iArabicContext =
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(iBidiCls == FX_BIDICLASS_R || iBidiCls == FX_BIDICLASS_AL)
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? 2
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: ((iBidiCls == FX_BIDICLASS_L || iBidiCls == FX_BIDICLASS_S) ? 0
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: 1);
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if (iArabicContext != m_iArabicContext && iArabicContext != 1) {
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m_iArabicContext = iArabicContext;
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if (m_iCurArabicContext == 1) {
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m_iCurArabicContext = iArabicContext;
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}
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ResetArabicContext();
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if (!m_bPagination) {
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CFX_TxtChar* pLastChar = GetLastChar(1, FALSE);
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if (pLastChar && pLastChar->m_dwStatus < 1) {
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pLastChar->m_dwStatus = FX_TXTBREAK_PieceBreak;
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}
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}
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}
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}
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pCurChar->m_dwCharStyles = m_dwContextCharStyles;
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}
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uint32_t CFX_TxtBreak::AppendChar_Combination(CFX_TxtChar* pCurChar,
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int32_t iRotation) {
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FX_WCHAR wch = pCurChar->m_wCharCode;
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FX_WCHAR wForm;
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int32_t iCharWidth = 0;
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pCurChar->m_iCharWidth = -1;
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if (m_bCombText) {
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iCharWidth = m_iCombWidth;
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} else {
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if (m_bVertical != FX_IsOdd(iRotation)) {
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iCharWidth = 1000;
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} else {
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wForm = wch;
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if (!m_bPagination) {
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CFX_TxtChar* pLastChar = GetLastChar(0, FALSE);
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if (pLastChar &&
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(pLastChar->m_dwCharStyles & FX_TXTCHARSTYLE_ArabicShadda) == 0) {
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FX_BOOL bShadda = FALSE;
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if (wch == 0x0651) {
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FX_WCHAR wLast = pLastChar->m_wCharCode;
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if (wLast >= 0x064C && wLast <= 0x0650) {
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wForm = FX_GetArabicFromShaddaTable(wLast);
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bShadda = TRUE;
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}
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} else if (wch >= 0x064C && wch <= 0x0650) {
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if (pLastChar->m_wCharCode == 0x0651) {
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wForm = FX_GetArabicFromShaddaTable(wch);
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bShadda = TRUE;
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}
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}
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if (bShadda) {
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pLastChar->m_dwCharStyles |= FX_TXTCHARSTYLE_ArabicShadda;
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pLastChar->m_iCharWidth = 0;
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pCurChar->m_dwCharStyles |= FX_TXTCHARSTYLE_ArabicShadda;
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}
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}
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}
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if (!m_pFont->GetCharWidth(wForm, iCharWidth, FALSE)) {
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iCharWidth = 0;
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}
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}
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iCharWidth *= m_iFontSize;
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iCharWidth = iCharWidth * m_iHorScale / 100;
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}
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pCurChar->m_iCharWidth = -iCharWidth;
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return FX_TXTBREAK_None;
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}
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uint32_t CFX_TxtBreak::AppendChar_Tab(CFX_TxtChar* pCurChar,
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int32_t iRotation) {
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m_eCharType = FX_CHARTYPE_Tab;
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if ((m_dwLayoutStyles & FX_TXTLAYOUTSTYLE_ExpandTab) == 0) {
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return FX_TXTBREAK_None;
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}
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int32_t& iLineWidth = m_pCurLine->m_iWidth;
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int32_t iCharWidth;
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if (m_bCombText) {
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iCharWidth = m_iCombWidth;
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} else {
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if (m_bEquidistant) {
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iCharWidth = iLineWidth;
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iCharWidth = m_iTabWidth * (iCharWidth / m_iTabWidth + 1) - iCharWidth;
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if (iCharWidth < FX_TXTBREAK_MinimumTabWidth) {
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iCharWidth += m_iTabWidth;
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}
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} else {
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iCharWidth = m_iTabWidth;
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}
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}
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pCurChar->m_iCharWidth = iCharWidth;
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iLineWidth += iCharWidth;
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if (!m_bSingleLine && iLineWidth >= m_iLineWidth + m_iTolerance) {
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return EndBreak(FX_TXTBREAK_LineBreak);
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}
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return FX_TXTBREAK_None;
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}
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uint32_t CFX_TxtBreak::AppendChar_Control(CFX_TxtChar* pCurChar,
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int32_t iRotation) {
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m_eCharType = FX_CHARTYPE_Control;
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uint32_t dwRet = FX_TXTBREAK_None;
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if (!m_bSingleLine) {
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FX_WCHAR wch = pCurChar->m_wCharCode;
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switch (wch) {
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case L'\v':
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case 0x2028:
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dwRet = FX_TXTBREAK_LineBreak;
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break;
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case L'\f':
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dwRet = FX_TXTBREAK_PageBreak;
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break;
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case 0x2029:
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dwRet = FX_TXTBREAK_ParagraphBreak;
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break;
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default:
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if (wch == m_wParagBreakChar) {
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dwRet = FX_TXTBREAK_ParagraphBreak;
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}
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break;
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}
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if (dwRet != FX_TXTBREAK_None) {
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dwRet = EndBreak(dwRet);
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}
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}
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return dwRet;
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}
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uint32_t CFX_TxtBreak::AppendChar_Arabic(CFX_TxtChar* pCurChar,
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int32_t iRotation) {
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FX_CHARTYPE chartype = pCurChar->GetCharType();
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int32_t& iLineWidth = m_pCurLine->m_iWidth;
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FX_WCHAR wForm;
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int32_t iCharWidth = 0;
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CFX_Char* pLastChar = nullptr;
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FX_BOOL bAlef = FALSE;
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if (!m_bCombText && m_eCharType >= FX_CHARTYPE_ArabicAlef &&
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m_eCharType <= FX_CHARTYPE_ArabicDistortion) {
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pLastChar = GetLastChar(1);
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if (pLastChar) {
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iCharWidth = pLastChar->m_iCharWidth;
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if (iCharWidth > 0) {
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iLineWidth -= iCharWidth;
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}
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CFX_Char* pPrevChar = GetLastChar(2);
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wForm = pdfium::arabic::GetFormChar(pLastChar, pPrevChar, pCurChar);
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bAlef = (wForm == 0xFEFF &&
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pLastChar->GetCharType() == FX_CHARTYPE_ArabicAlef);
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int32_t iLastRotation = pLastChar->m_nRotation + m_iLineRotation;
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if (m_bVertical && (pLastChar->m_dwCharProps & 0x8000) != 0) {
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iLastRotation++;
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}
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if (m_bVertical != FX_IsOdd(iLastRotation)) {
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iCharWidth = 1000;
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} else {
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m_pFont->GetCharWidth(wForm, iCharWidth, FALSE);
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}
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if (wForm == 0xFEFF) {
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iCharWidth = m_iDefChar;
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}
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iCharWidth *= m_iFontSize;
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iCharWidth = iCharWidth * m_iHorScale / 100;
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pLastChar->m_iCharWidth = iCharWidth;
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iLineWidth += iCharWidth;
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iCharWidth = 0;
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}
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}
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m_eCharType = chartype;
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wForm = pdfium::arabic::GetFormChar(pCurChar, bAlef ? nullptr : pLastChar,
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nullptr);
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if (m_bCombText) {
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iCharWidth = m_iCombWidth;
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} else {
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if (m_bVertical != FX_IsOdd(iRotation)) {
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iCharWidth = 1000;
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} 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;
|
}
|
uint32_t CFX_TxtBreak::AppendChar_Others(CFX_TxtChar* pCurChar,
|
int32_t iRotation) {
|
uint32_t dwProps = pCurChar->m_dwCharProps;
|
FX_CHARTYPE chartype = pCurChar->GetCharType();
|
int32_t& iLineWidth = m_pCurLine->m_iWidth;
|
int32_t iCharWidth = 0;
|
m_eCharType = chartype;
|
FX_WCHAR wch = pCurChar->m_wCharCode;
|
FX_WCHAR wForm = wch;
|
if (chartype == 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 = (chartype != 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;
|
}
|
|
uint32_t CFX_TxtBreak::AppendChar(FX_WCHAR wch) {
|
uint32_t dwProps = kTextLayoutCodeProperties[(uint16_t)wch];
|
FX_CHARTYPE chartype = GetCharTypeFromProp(dwProps);
|
CFX_TxtChar* pCurChar = m_pCurLine->m_pLineChars->AddSpace();
|
pCurChar->m_wCharCode = (uint16_t)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 = nullptr;
|
AppendChar_PageLoad(pCurChar, dwProps);
|
uint32_t dwRet1 = FX_TXTBREAK_None;
|
if (chartype != FX_CHARTYPE_Combination &&
|
GetUnifiedCharType(m_eCharType) != GetUnifiedCharType(chartype)) {
|
if (m_eCharType != FX_CHARTYPE_Unknown &&
|
m_pCurLine->m_iWidth > m_iLineWidth + m_iTolerance && !m_bSingleLine) {
|
if (m_eCharType != FX_CHARTYPE_Space || chartype != 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;
|
}
|
uint32_t dwRet2 =
|
(this->*g_FX_TxtBreak_lpfAppendChar[chartype >> FX_CHARTYPEBITS])(
|
pCurChar, iRotation);
|
return std::max(dwRet1, dwRet2);
|
}
|
void CFX_TxtBreak::EndBreak_UpdateArabicShapes() {
|
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 = nullptr;
|
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,
|
uint32_t 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_eCharType = FX_CHARTYPE_Unknown;
|
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, uint32_t 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,
|
uint32_t 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_CHARTYPE chartype;
|
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) {
|
chartype = pTC->GetCharType();
|
if (chartype == FX_CHARTYPE_Space || chartype == 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;
|
}
|
}
|
}
|
}
|
uint32_t CFX_TxtBreak::EndBreak(uint32_t dwStatus) {
|
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) {
|
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_eCharType = pTC ? pTC->GetCharType() : FX_CHARTYPE_Unknown;
|
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;
|
uint32_t 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 = gs_FX_LineBreak_PairTable[nCur][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 = gs_FX_LineBreak_PairTable[nCur][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) {
|
ASSERT(pCurLine && pNextLine);
|
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 ? pTxtLine->CountChars() : 0;
|
}
|
int32_t CFX_TxtBreak::CountBreakPieces() const {
|
CFX_TxtPieceArray* pTxtPieces = GetTxtPieces(TRUE);
|
return pTxtPieces ? pTxtPieces->GetSize() : 0;
|
}
|
const CFX_TxtPiece* CFX_TxtBreak::GetBreakPiece(int32_t index) const {
|
CFX_TxtPieceArray* pTxtPieces = GetTxtPieces(TRUE);
|
if (!pTxtPieces) {
|
return nullptr;
|
}
|
if (index < 0 || index >= pTxtPieces->GetSize()) {
|
return nullptr;
|
}
|
return pTxtPieces->GetPtrAt(index);
|
}
|
void CFX_TxtBreak::ClearBreakPieces() {
|
CFX_TxtLine* pTxtLine = GetTxtLine(TRUE);
|
if (pTxtLine) {
|
pTxtLine->RemoveAll(TRUE);
|
}
|
m_iReady = 0;
|
}
|
void CFX_TxtBreak::Reset() {
|
m_eCharType = FX_CHARTYPE_Unknown;
|
m_iArabicContext = m_iCurArabicContext = 1;
|
ResetArabicContext();
|
m_pTxtLine1->RemoveAll(TRUE);
|
m_pTxtLine2->RemoveAll(TRUE);
|
}
|
|
struct FX_FORMCHAR {
|
uint16_t wch;
|
uint16_t wForm;
|
int32_t iWidth;
|
};
|
|
int32_t CFX_TxtBreak::GetDisplayPos(const FX_TXTRUN* pTxtRun,
|
FXTEXT_CHARPOS* pCharPos,
|
FX_BOOL bCharCode,
|
CFX_WideString* pWSForms,
|
FX_AdjustCharDisplayPos pAdjustPos) const {
|
if (!pTxtRun || pTxtRun->iLength < 1) {
|
return 0;
|
}
|
IFX_TxtAccess* pAccess = pTxtRun->pAccess;
|
const FDE_TEXTEDITPIECE* pIdentity = pTxtRun->pIdentity;
|
const FX_WCHAR* pStr = pTxtRun->wsStr.c_str();
|
int32_t* pWidths = pTxtRun->pWidths;
|
int32_t iLength = pTxtRun->iLength - 1;
|
CFGAS_GEFont* pFont = pTxtRun->pFont;
|
uint32_t 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;
|
FX_FLOAT fX, fY, fCharWidth, fCharHeight;
|
int32_t iHorScale = pTxtRun->iHorizontalScale;
|
int32_t iVerScale = pTxtRun->iVerticalScale;
|
FX_BOOL bSkipSpace = pTxtRun->bSkipSpace;
|
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;
|
int32_t iNext = 0;
|
FX_WCHAR wPrev = 0xFEFF;
|
FX_WCHAR wNext = 0xFEFF;
|
FX_WCHAR wForm = 0xFEFF;
|
FX_WCHAR wLast = 0xFEFF;
|
FX_BOOL bShadda = FALSE;
|
FX_BOOL bLam = FALSE;
|
for (int32_t i = 0; i <= iLength; i++) {
|
int32_t iWidth;
|
FX_WCHAR wch;
|
if (pAccess) {
|
wch = pAccess->GetChar(pIdentity, i);
|
iWidth = pAccess->GetWidth(pIdentity, i);
|
} else {
|
wch = *pStr++;
|
iWidth = *pWidths++;
|
}
|
uint32_t dwProps = FX_GetUnicodeProperties(wch);
|
FX_CHARTYPE chartype = GetCharTypeFromProp(dwProps);
|
if (chartype == FX_CHARTYPE_ArabicAlef && iWidth == 0) {
|
wPrev = 0xFEFF;
|
wLast = wch;
|
continue;
|
}
|
if (chartype >= FX_CHARTYPE_ArabicAlef) {
|
if (i < iLength) {
|
if (pAccess) {
|
iNext = i + 1;
|
while (iNext <= iLength) {
|
wNext = pAccess->GetChar(pIdentity, iNext);
|
dwProps = FX_GetUnicodeProperties(wNext);
|
if ((dwProps & FX_CHARTYPEBITSMASK) != FX_CHARTYPE_Combination) {
|
break;
|
}
|
iNext++;
|
}
|
if (iNext > iLength) {
|
wNext = 0xFEFF;
|
}
|
} else {
|
int32_t j = -1;
|
do {
|
j++;
|
if (i + j >= iLength) {
|
break;
|
}
|
wNext = pStr[j];
|
dwProps = FX_GetUnicodeProperties(wNext);
|
} while ((dwProps & FX_CHARTYPEBITSMASK) == FX_CHARTYPE_Combination);
|
if (i + j >= iLength) {
|
wNext = 0xFEFF;
|
}
|
}
|
} else {
|
wNext = 0xFEFF;
|
}
|
wForm = pdfium::arabic::GetFormChar(wch, wPrev, wNext);
|
bLam = (wPrev == 0x0644 && wch == 0x0644 && wNext == 0x0647);
|
} else if (chartype == FX_CHARTYPE_Combination) {
|
wForm = wch;
|
if (wch >= 0x064C && wch <= 0x0651) {
|
if (bShadda) {
|
wForm = 0xFEFF;
|
bShadda = FALSE;
|
} else {
|
wNext = 0xFEFF;
|
if (pAccess) {
|
iNext = i + 1;
|
if (iNext <= iLength) {
|
wNext = pAccess->GetChar(pIdentity, iNext);
|
}
|
} else {
|
if (i < iLength) {
|
wNext = *pStr;
|
}
|
}
|
if (wch == 0x0651) {
|
if (wNext >= 0x064C && wNext <= 0x0650) {
|
wForm = FX_GetArabicFromShaddaTable(wNext);
|
bShadda = TRUE;
|
}
|
} else {
|
if (wNext == 0x0651) {
|
wForm = FX_GetArabicFromShaddaTable(wch);
|
bShadda = TRUE;
|
}
|
}
|
}
|
} else {
|
bShadda = FALSE;
|
}
|
} else if (chartype == FX_CHARTYPE_Numeric) {
|
wForm = wch;
|
if (bArabicNumber) {
|
wForm += 0x0630;
|
}
|
} else if (wch == L'.') {
|
wForm = wch;
|
if (bArabicNumber) {
|
wNext = 0xFEFF;
|
if (pAccess) {
|
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 (chartype != FX_CHARTYPE_Combination) {
|
bShadda = FALSE;
|
}
|
if (chartype < FX_CHARTYPE_ArabicAlef) {
|
bLam = FALSE;
|
}
|
dwProps = FX_GetUnicodeProperties(wForm);
|
int32_t iCharRotation = iRotation;
|
if (bVerticalChar && (dwProps & 0x8000) != 0) {
|
iCharRotation++;
|
}
|
iCharRotation %= 4;
|
FX_BOOL bEmptyChar =
|
(chartype >= FX_CHARTYPE_Tab && chartype <= FX_CHARTYPE_Control);
|
if (wForm == 0xFEFF) {
|
bEmptyChar = TRUE;
|
}
|
int32_t iForms = bLam ? 3 : 1;
|
iCount += (bEmptyChar && bSkipSpace) ? 0 : iForms;
|
if (!pCharPos) {
|
if (iWidth > 0) {
|
wPrev = wch;
|
}
|
wLast = wch;
|
continue;
|
}
|
int32_t iCharWidth = iWidth;
|
if (iCharWidth < 0) {
|
iCharWidth = -iCharWidth;
|
}
|
iCharWidth /= iFontSize;
|
formChars[0].wch = wch;
|
formChars[0].wForm = wForm;
|
formChars[0].iWidth = iCharWidth;
|
if (bLam) {
|
formChars[1].wForm = 0x0651;
|
iCharWidth = 0;
|
pFont->GetCharWidth(0x0651, iCharWidth, FALSE);
|
formChars[1].iWidth = iCharWidth;
|
formChars[2].wForm = 0x0670;
|
iCharWidth = 0;
|
pFont->GetCharWidth(0x0670, iCharWidth, FALSE);
|
formChars[2].iWidth = iCharWidth;
|
}
|
for (int32_t j = 0; j < iForms; j++) {
|
wForm = (FX_WCHAR)formChars[j].wForm;
|
iCharWidth = formChars[j].iWidth;
|
if (j > 0) {
|
chartype = 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);
|
#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
|
pCharPos->m_ExtGID = pCharPos->m_GlyphIndex;
|
#endif
|
pCharPos->m_FontCharWidth = iCharWidth;
|
if (pWSForms) {
|
*pWSForms += wForm;
|
}
|
}
|
int32_t iCharHeight;
|
if (bVerticalDoc) {
|
iCharHeight = iCharWidth;
|
iCharWidth = 1000;
|
} else {
|
iCharHeight = 1000;
|
}
|
fCharWidth = fFontSize * iCharWidth / 1000.0f;
|
fCharHeight = fFontSize * iCharHeight / 1000.0f;
|
if (bRTLPiece && chartype != 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 (chartype == 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) {
|
uint32_t dwLastProps = FX_GetUnicodeProperties(wLast);
|
if ((dwLastProps & FX_CHARTYPEBITSMASK) ==
|
FX_CHARTYPE_Combination) {
|
CFX_Rect rtBox;
|
rtBox.Reset();
|
if (pFont->GetCharBBox(wLast, rtBox, FALSE)) {
|
pCharPos->m_OriginY -= fFontSize * rtBox.height / iMaxHeight;
|
}
|
}
|
}
|
}
|
CFX_PointF ptOffset;
|
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 && chartype != 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(const FX_TXTRUN* pTxtRun,
|
CFX_RectFArray& rtArray,
|
FX_BOOL bCharBBox) const {
|
if (!pTxtRun || pTxtRun->iLength < 1) {
|
return 0;
|
}
|
IFX_TxtAccess* pAccess = pTxtRun->pAccess;
|
const FDE_TEXTEDITPIECE* pIdentity = pTxtRun->pIdentity;
|
const FX_WCHAR* pStr = pTxtRun->wsStr.c_str();
|
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;
|
CFGAS_GEFont* pFont = pTxtRun->pFont;
|
if (!pFont) {
|
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) {
|
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;
|
}
|
|
FX_TXTRUN::FX_TXTRUN()
|
: pAccess(nullptr),
|
pIdentity(nullptr),
|
pWidths(nullptr),
|
iLength(0),
|
pFont(nullptr),
|
fFontSize(12),
|
dwStyles(0),
|
iHorizontalScale(100),
|
iVerticalScale(100),
|
iCharRotation(0),
|
dwCharStyles(0),
|
pRect(nullptr),
|
wLineBreakChar(L'\n'),
|
bSkipSpace(TRUE) {}
|
|
FX_TXTRUN::~FX_TXTRUN() {}
|
|
FX_TXTRUN::FX_TXTRUN(const FX_TXTRUN& other) = default;
|
|
CFX_TxtPiece::CFX_TxtPiece()
|
: m_dwStatus(FX_TXTBREAK_PieceBreak),
|
m_iStartPos(0),
|
m_iWidth(-1),
|
m_iStartChar(0),
|
m_iChars(0),
|
m_iBidiLevel(0),
|
m_iBidiPos(0),
|
m_iHorizontalScale(100),
|
m_iVerticalScale(100),
|
m_dwCharStyles(0),
|
m_pChars(nullptr),
|
m_pUserData(nullptr) {}
|
|
CFX_TxtLine::CFX_TxtLine(int32_t iBlockSize)
|
: m_iStart(0), m_iWidth(0), m_iArabicChars(0) {
|
m_pLineChars = new CFX_TxtCharArray;
|
m_pLinePieces = new CFX_TxtPieceArray(16);
|
}
|
|
CFX_TxtLine::~CFX_TxtLine() {
|
RemoveAll();
|
delete m_pLineChars;
|
delete m_pLinePieces;
|
}
|
