// 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_rtfbreak.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 "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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CFX_RTFBreak::CFX_RTFBreak(uint32_t dwPolicies)
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: m_dwPolicies(dwPolicies),
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m_iBoundaryStart(0),
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m_iBoundaryEnd(2000000),
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m_dwLayoutStyles(0),
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m_bPagination(FALSE),
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m_bVertical(FALSE),
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m_bSingleLine(FALSE),
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m_bCharCode(FALSE),
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m_pFont(nullptr),
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m_iFontHeight(240),
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m_iFontSize(240),
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m_iTabWidth(720000),
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m_PositionedTabs(),
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m_bOrphanLine(FALSE),
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m_wDefChar(0xFEFF),
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m_iDefChar(0),
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m_wLineBreakChar(L'\n'),
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m_iHorizontalScale(100),
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m_iVerticalScale(100),
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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_iCharSpace(0),
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m_bWordSpace(FALSE),
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m_iWordSpace(0),
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m_bRTL(FALSE),
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m_iAlignment(FX_RTFLINEALIGNMENT_Left),
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m_pUserData(nullptr),
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m_eCharType(FX_CHARTYPE_Unknown),
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m_dwIdentity(0),
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m_RTFLine1(),
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m_RTFLine2(),
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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_pCurLine = &m_RTFLine1;
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}
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CFX_RTFBreak::~CFX_RTFBreak() {
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Reset();
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m_PositionedTabs.RemoveAll();
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if (m_pUserData) {
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m_pUserData->Release();
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}
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}
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void CFX_RTFBreak::SetLineBoundary(FX_FLOAT fLineStart, FX_FLOAT fLineEnd) {
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if (fLineStart > fLineEnd)
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return;
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m_iBoundaryStart = FXSYS_round(fLineStart * 20000.0f);
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m_iBoundaryEnd = FXSYS_round(fLineEnd * 20000.0f);
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m_pCurLine->m_iStart = std::min(m_pCurLine->m_iStart, m_iBoundaryEnd);
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m_pCurLine->m_iStart = std::max(m_pCurLine->m_iStart, m_iBoundaryStart);
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}
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void CFX_RTFBreak::SetLineStartPos(FX_FLOAT fLinePos) {
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int32_t iLinePos = FXSYS_round(fLinePos * 20000.0f);
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iLinePos = std::min(iLinePos, m_iBoundaryEnd);
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iLinePos = std::max(iLinePos, m_iBoundaryStart);
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m_pCurLine->m_iStart = iLinePos;
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}
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void CFX_RTFBreak::SetLayoutStyles(uint32_t dwLayoutStyles) {
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if (m_dwLayoutStyles == dwLayoutStyles) {
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return;
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}
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SetBreakStatus();
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m_dwLayoutStyles = dwLayoutStyles;
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m_bPagination = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_Pagination) != 0;
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m_bVertical = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_VerticalChars) != 0;
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m_bSingleLine = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_SingleLine) != 0;
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m_bCharCode = (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_MBCSCode) != 0;
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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_RTFBreak::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_pFont) {
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m_iFontHeight = m_iFontSize;
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if (m_wDefChar != 0xFEFF) {
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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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}
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void CFX_RTFBreak::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_pFont) {
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m_iFontHeight = m_iFontSize;
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if (m_wDefChar != 0xFEFF) {
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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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}
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void CFX_RTFBreak::SetTabWidth(FX_FLOAT fTabWidth) {
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m_iTabWidth = FXSYS_round(fTabWidth * 20000.0f);
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}
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void CFX_RTFBreak::AddPositionedTab(FX_FLOAT fTabPos) {
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int32_t iLineEnd = m_iBoundaryEnd;
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int32_t iTabPos = FXSYS_round(fTabPos * 20000.0f) + m_iBoundaryStart;
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if (iTabPos > iLineEnd) {
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iTabPos = iLineEnd;
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}
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if (m_PositionedTabs.Find(iTabPos, 0) > -1) {
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return;
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}
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int32_t iCount = m_PositionedTabs.GetSize();
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int32_t iFind = 0;
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for (; iFind < iCount; iFind++) {
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if (m_PositionedTabs[iFind] > iTabPos) {
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break;
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}
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}
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m_PositionedTabs.InsertAt(iFind, iTabPos);
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if (m_dwPolicies & FX_RTFBREAKPOLICY_OrphanPositionedTab) {
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m_bOrphanLine = GetLastPositionedTab() >= iLineEnd;
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} else {
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m_bOrphanLine = FALSE;
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}
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}
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void CFX_RTFBreak::SetPositionedTabs(const CFX_FloatArray& tabs) {
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m_PositionedTabs.RemoveAll();
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int32_t iCount = tabs.GetSize();
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m_PositionedTabs.SetSize(iCount);
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int32_t iLineEnd = m_iBoundaryEnd;
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int32_t iTabPos;
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for (int32_t i = 0; i < iCount; i++) {
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iTabPos = FXSYS_round(tabs[i] * 20000.0f) + m_iBoundaryStart;
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if (iTabPos > iLineEnd) {
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iTabPos = iLineEnd;
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}
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m_PositionedTabs[i] = iTabPos;
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}
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if (m_dwPolicies & FX_RTFBREAKPOLICY_OrphanPositionedTab) {
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m_bOrphanLine = GetLastPositionedTab() >= iLineEnd;
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} else {
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m_bOrphanLine = FALSE;
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}
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}
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void CFX_RTFBreak::ClearPositionedTabs() {
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m_PositionedTabs.RemoveAll();
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m_bOrphanLine = FALSE;
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}
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void CFX_RTFBreak::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_RTFBreak::SetLineBreakChar(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_wLineBreakChar = wch;
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}
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void CFX_RTFBreak::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_RTFBreak::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 (m_iHorizontalScale == iScale) {
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return;
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}
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SetBreakStatus();
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m_iHorizontalScale = iScale;
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}
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void CFX_RTFBreak::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 (m_iVerticalScale == iScale) {
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return;
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}
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SetBreakStatus();
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m_iVerticalScale = iScale;
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}
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void CFX_RTFBreak::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_RTFBreak::SetCharSpace(FX_FLOAT fCharSpace) {
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m_iCharSpace = FXSYS_round(fCharSpace * 20000.0f);
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}
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void CFX_RTFBreak::SetWordSpace(FX_BOOL bDefault, FX_FLOAT fWordSpace) {
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m_bWordSpace = !bDefault;
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m_iWordSpace = FXSYS_round(fWordSpace * 20000.0f);
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}
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void CFX_RTFBreak::SetReadingOrder(FX_BOOL bRTL) {
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m_bRTL = bRTL;
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}
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void CFX_RTFBreak::SetAlignment(int32_t iAlignment) {
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ASSERT(iAlignment >= FX_RTFLINEALIGNMENT_Left &&
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iAlignment <= FX_RTFLINEALIGNMENT_Distributed);
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m_iAlignment = iAlignment;
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}
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void CFX_RTFBreak::SetUserData(IFX_Retainable* 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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if (m_pUserData) {
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m_pUserData->Release();
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}
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m_pUserData = pUserData;
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if (m_pUserData) {
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m_pUserData->Retain();
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}
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}
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static const int32_t gs_FX_RTFLineRotations[8] = {0, 3, 1, 0, 2, 1, 3, 2};
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int32_t CFX_RTFBreak::GetLineRotation(uint32_t dwStyles) const {
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return gs_FX_RTFLineRotations[(dwStyles & 0x0E) >> 1];
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}
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void CFX_RTFBreak::SetBreakStatus() {
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m_dwIdentity++;
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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_RTFChar& tc = m_pCurLine->GetChar(iCount - 1);
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if (tc.m_dwStatus == 0) {
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tc.m_dwStatus = FX_RTFBREAK_PieceBreak;
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}
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}
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CFX_RTFChar* CFX_RTFBreak::GetLastChar(int32_t index) const {
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CFX_RTFCharArray& tca = m_pCurLine->m_LineChars;
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int32_t iCount = tca.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_RTFChar* pTC;
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int32_t iStart = iCount - 1;
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while (iStart > -1) {
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pTC = tca.GetDataPtr(iStart--);
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if (pTC->m_iCharWidth >= 0 ||
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pTC->GetCharType() != FX_CHARTYPE_Combination) {
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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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}
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return nullptr;
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}
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CFX_RTFLine* CFX_RTFBreak::GetRTFLine(FX_BOOL bReady) const {
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if (bReady) {
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if (m_iReady == 1) {
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return (CFX_RTFLine*)&m_RTFLine1;
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} else if (m_iReady == 2) {
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return (CFX_RTFLine*)&m_RTFLine2;
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} else {
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return nullptr;
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}
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}
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ASSERT(m_pCurLine);
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return m_pCurLine;
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}
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CFX_RTFPieceArray* CFX_RTFBreak::GetRTFPieces(FX_BOOL bReady) const {
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CFX_RTFLine* pRTFLine = GetRTFLine(bReady);
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return pRTFLine ? &pRTFLine->m_LinePieces : nullptr;
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}
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inline FX_CHARTYPE CFX_RTFBreak::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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int32_t CFX_RTFBreak::GetLastPositionedTab() const {
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int32_t iCount = m_PositionedTabs.GetSize();
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if (iCount < 1) {
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return m_iBoundaryStart;
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}
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return m_PositionedTabs[iCount - 1];
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}
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FX_BOOL CFX_RTFBreak::GetPositionedTab(int32_t& iTabPos) const {
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int32_t iCount = m_PositionedTabs.GetSize();
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for (int32_t i = 0; i < iCount; i++) {
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if (m_PositionedTabs[i] > iTabPos) {
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iTabPos = m_PositionedTabs[i];
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return TRUE;
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}
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}
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return FALSE;
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}
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typedef uint32_t (CFX_RTFBreak::*FX_RTFBreak_LPFAppendChar)(
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CFX_RTFChar* pCurChar,
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int32_t iRotation);
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static const FX_RTFBreak_LPFAppendChar g_FX_RTFBreak_lpfAppendChar[16] = {
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&CFX_RTFBreak::AppendChar_Others, &CFX_RTFBreak::AppendChar_Tab,
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&CFX_RTFBreak::AppendChar_Others, &CFX_RTFBreak::AppendChar_Control,
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&CFX_RTFBreak::AppendChar_Combination, &CFX_RTFBreak::AppendChar_Others,
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&CFX_RTFBreak::AppendChar_Others, &CFX_RTFBreak::AppendChar_Arabic,
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&CFX_RTFBreak::AppendChar_Arabic, &CFX_RTFBreak::AppendChar_Arabic,
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&CFX_RTFBreak::AppendChar_Arabic, &CFX_RTFBreak::AppendChar_Arabic,
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&CFX_RTFBreak::AppendChar_Arabic, &CFX_RTFBreak::AppendChar_Others,
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&CFX_RTFBreak::AppendChar_Others, &CFX_RTFBreak::AppendChar_Others,
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};
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uint32_t CFX_RTFBreak::AppendChar(FX_WCHAR wch) {
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ASSERT(m_pFont && m_pCurLine);
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if (m_bCharCode) {
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return AppendChar_CharCode(wch);
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}
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uint32_t dwProps = kTextLayoutCodeProperties[(uint16_t)wch];
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FX_CHARTYPE chartype = GetCharTypeFromProp(dwProps);
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CFX_RTFCharArray& tca = m_pCurLine->m_LineChars;
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CFX_RTFChar* pCurChar = tca.AddSpace();
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pCurChar->m_dwStatus = 0;
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pCurChar->m_wCharCode = wch;
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pCurChar->m_dwCharProps = dwProps;
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pCurChar->m_dwCharStyles = 0;
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pCurChar->m_dwLayoutStyles = 0;
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pCurChar->m_iFontSize = m_iFontSize;
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pCurChar->m_iFontHeight = m_iFontHeight;
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pCurChar->m_iHorizontalScale = m_iHorizontalScale;
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pCurChar->m_iVertialScale = m_iVerticalScale;
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pCurChar->m_nRotation = m_iCharRotation;
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pCurChar->m_iCharWidth = 0;
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pCurChar->m_dwIdentity = m_dwIdentity;
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if (m_pUserData) {
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m_pUserData->Retain();
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}
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pCurChar->m_pUserData = m_pUserData;
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uint32_t dwRet1 = FX_RTFBREAK_None;
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if (chartype != FX_CHARTYPE_Combination &&
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GetUnifiedCharType(m_eCharType) != GetUnifiedCharType(chartype)) {
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if (!m_bSingleLine && !m_bOrphanLine &&
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m_eCharType != FX_CHARTYPE_Unknown &&
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m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) {
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if (m_eCharType != FX_CHARTYPE_Space || chartype != FX_CHARTYPE_Control) {
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dwRet1 = EndBreak(FX_RTFBREAK_LineBreak);
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int32_t iCount = m_pCurLine->CountChars();
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if (iCount > 0) {
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pCurChar = m_pCurLine->m_LineChars.GetDataPtr(iCount - 1);
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}
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}
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}
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}
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int32_t iRotation = m_iRotation;
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if (m_bVertical && (dwProps & 0x8000) != 0) {
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iRotation = (iRotation + 1) % 4;
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}
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uint32_t dwRet2 =
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(this->*g_FX_RTFBreak_lpfAppendChar[chartype >> FX_CHARTYPEBITS])(
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pCurChar, iRotation);
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m_eCharType = chartype;
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return std::max(dwRet1, dwRet2);
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}
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uint32_t CFX_RTFBreak::AppendChar_CharCode(FX_WCHAR wch) {
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ASSERT(m_pFont && m_pCurLine);
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ASSERT(m_bCharCode);
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m_pCurLine->m_iMBCSChars++;
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CFX_RTFCharArray& tca = m_pCurLine->m_LineChars;
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CFX_RTFChar* pCurChar = tca.AddSpace();
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pCurChar->m_dwStatus = 0;
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pCurChar->m_wCharCode = wch;
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pCurChar->m_dwCharProps = 0;
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pCurChar->m_dwCharStyles = 0;
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pCurChar->m_dwLayoutStyles = m_dwLayoutStyles;
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pCurChar->m_iFontSize = m_iFontSize;
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pCurChar->m_iFontHeight = m_iFontHeight;
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pCurChar->m_iHorizontalScale = m_iHorizontalScale;
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pCurChar->m_iVertialScale = m_iVerticalScale;
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pCurChar->m_nRotation = m_iCharRotation;
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pCurChar->m_iCharWidth = 0;
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pCurChar->m_dwIdentity = m_dwIdentity;
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if (m_pUserData) {
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m_pUserData->Retain();
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}
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pCurChar->m_pUserData = m_pUserData;
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int32_t iCharWidth = 0;
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if (m_bVertical != FX_IsOdd(m_iRotation)) {
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iCharWidth = 1000;
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} else {
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if (!m_pFont->GetCharWidth(wch, iCharWidth, TRUE)) {
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iCharWidth = m_iDefChar;
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}
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}
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iCharWidth *= m_iFontSize;
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iCharWidth = iCharWidth * m_iHorizontalScale / 100;
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iCharWidth += m_iCharSpace;
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pCurChar->m_iCharWidth = iCharWidth;
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m_pCurLine->m_iWidth += iCharWidth;
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m_eCharType = FX_CHARTYPE_Unknown;
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if (!m_bSingleLine &&
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m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) {
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return EndBreak(FX_RTFBREAK_LineBreak);
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}
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return FX_RTFBREAK_None;
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}
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uint32_t CFX_RTFBreak::AppendChar_Combination(CFX_RTFChar* pCurChar,
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int32_t iRotation) {
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int32_t iCharWidth = 0;
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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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if (!m_pFont->GetCharWidth(pCurChar->m_wCharCode, iCharWidth,
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m_bCharCode)) {
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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_iHorizontalScale / 100;
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CFX_RTFChar* pLastChar = GetLastChar(0);
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if (pLastChar && pLastChar->GetCharType() > FX_CHARTYPE_Combination) {
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iCharWidth = -iCharWidth;
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} else {
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m_eCharType = FX_CHARTYPE_Combination;
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}
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pCurChar->m_iCharWidth = iCharWidth;
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if (iCharWidth > 0) {
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m_pCurLine->m_iWidth += iCharWidth;
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}
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return FX_RTFBREAK_None;
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}
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uint32_t CFX_RTFBreak::AppendChar_Tab(CFX_RTFChar* pCurChar,
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int32_t iRotation) {
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if (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_ExpandTab) {
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FX_BOOL bBreak = FALSE;
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if ((m_dwPolicies & FX_RTFBREAKPOLICY_TabBreak) != 0) {
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bBreak = (m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance);
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}
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int32_t& iLineWidth = m_pCurLine->m_iWidth;
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int32_t iCharWidth = iLineWidth;
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if (GetPositionedTab(iCharWidth)) {
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iCharWidth -= iLineWidth;
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} else {
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iCharWidth = m_iTabWidth * (iLineWidth / m_iTabWidth + 1) - iLineWidth;
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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 && !m_bOrphanLine && bBreak) {
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return EndBreak(FX_RTFBREAK_LineBreak);
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}
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}
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return FX_RTFBREAK_None;
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}
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uint32_t CFX_RTFBreak::AppendChar_Control(CFX_RTFChar* pCurChar,
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int32_t iRotation) {
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uint32_t dwRet2 = FX_RTFBREAK_None;
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if (!m_bSingleLine) {
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switch (pCurChar->m_wCharCode) {
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case L'\v':
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case 0x2028:
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dwRet2 = FX_RTFBREAK_LineBreak;
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break;
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case L'\f':
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dwRet2 = FX_RTFBREAK_PageBreak;
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break;
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case 0x2029:
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dwRet2 = FX_RTFBREAK_ParagraphBreak;
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break;
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default:
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if (pCurChar->m_wCharCode == m_wLineBreakChar) {
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dwRet2 = FX_RTFBREAK_ParagraphBreak;
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}
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break;
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}
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if (dwRet2 != FX_RTFBREAK_None) {
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dwRet2 = EndBreak(dwRet2);
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}
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}
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return dwRet2;
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}
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uint32_t CFX_RTFBreak::AppendChar_Arabic(CFX_RTFChar* pCurChar,
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int32_t iRotation) {
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CFX_RTFChar* pLastChar = nullptr;
|
int32_t& iLineWidth = m_pCurLine->m_iWidth;
|
int32_t iCharWidth = 0;
|
FX_WCHAR wForm;
|
FX_BOOL bAlef = FALSE;
|
if (m_eCharType >= FX_CHARTYPE_ArabicAlef &&
|
m_eCharType <= FX_CHARTYPE_ArabicDistortion) {
|
pLastChar = GetLastChar(1);
|
if (pLastChar) {
|
iLineWidth -= pLastChar->m_iCharWidth;
|
CFX_RTFChar* pPrevChar = GetLastChar(2);
|
wForm = pdfium::arabic::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 {
|
if (!m_pFont->GetCharWidth(wForm, iCharWidth, m_bCharCode)) {
|
if (!m_pFont->GetCharWidth(pLastChar->m_wCharCode, iCharWidth,
|
m_bCharCode)) {
|
iCharWidth = m_iDefChar;
|
}
|
}
|
}
|
iCharWidth *= m_iFontSize;
|
iCharWidth = iCharWidth * m_iHorizontalScale / 100;
|
pLastChar->m_iCharWidth = iCharWidth;
|
iLineWidth += iCharWidth;
|
iCharWidth = 0;
|
}
|
}
|
wForm = pdfium::arabic::GetFormChar(pCurChar, bAlef ? nullptr : pLastChar,
|
nullptr);
|
if (m_bVertical != FX_IsOdd(iRotation)) {
|
iCharWidth = 1000;
|
} else if (!m_pFont->GetCharWidth(wForm, iCharWidth, m_bCharCode) &&
|
!m_pFont->GetCharWidth(pCurChar->m_wCharCode, iCharWidth,
|
m_bCharCode)) {
|
iCharWidth = m_iDefChar;
|
}
|
|
iCharWidth *= m_iFontSize;
|
iCharWidth = iCharWidth * m_iHorizontalScale / 100;
|
pCurChar->m_iCharWidth = iCharWidth;
|
iLineWidth += iCharWidth;
|
m_pCurLine->m_iArabicChars++;
|
if (!m_bSingleLine && !m_bOrphanLine &&
|
m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) {
|
return EndBreak(FX_RTFBREAK_LineBreak);
|
}
|
return FX_RTFBREAK_None;
|
}
|
uint32_t CFX_RTFBreak::AppendChar_Others(CFX_RTFChar* pCurChar,
|
int32_t iRotation) {
|
FX_CHARTYPE chartype = pCurChar->GetCharType();
|
FX_WCHAR wForm;
|
if (chartype == FX_CHARTYPE_Numeric) {
|
if (m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_ArabicNumber) {
|
wForm = pCurChar->m_wCharCode + 0x0630;
|
} else {
|
wForm = pCurChar->m_wCharCode;
|
}
|
} else if (m_bRTL || m_bVertical) {
|
wForm = FX_GetMirrorChar(pCurChar->m_wCharCode, pCurChar->m_dwCharProps,
|
m_bRTL, m_bVertical);
|
} else {
|
wForm = pCurChar->m_wCharCode;
|
}
|
int32_t iCharWidth = 0;
|
if (m_bVertical != FX_IsOdd(iRotation)) {
|
iCharWidth = 1000;
|
} else {
|
if (!m_pFont->GetCharWidth(wForm, iCharWidth, m_bCharCode)) {
|
iCharWidth = m_iDefChar;
|
}
|
}
|
iCharWidth *= m_iFontSize;
|
iCharWidth = iCharWidth * m_iHorizontalScale / 100;
|
iCharWidth += m_iCharSpace;
|
if (chartype == FX_CHARTYPE_Space && m_bWordSpace) {
|
iCharWidth += m_iWordSpace;
|
}
|
pCurChar->m_iCharWidth = iCharWidth;
|
m_pCurLine->m_iWidth += iCharWidth;
|
FX_BOOL bBreak = (chartype != FX_CHARTYPE_Space ||
|
(m_dwPolicies & FX_RTFBREAKPOLICY_SpaceBreak) != 0);
|
if (!m_bSingleLine && !m_bOrphanLine && bBreak &&
|
m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) {
|
return EndBreak(FX_RTFBREAK_LineBreak);
|
}
|
return FX_RTFBREAK_None;
|
}
|
uint32_t CFX_RTFBreak::EndBreak(uint32_t dwStatus) {
|
ASSERT(dwStatus >= FX_RTFBREAK_PieceBreak &&
|
dwStatus <= FX_RTFBREAK_PageBreak);
|
m_dwIdentity++;
|
CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces;
|
int32_t iCount = pCurPieces->GetSize();
|
if (iCount > 0) {
|
CFX_RTFPiece* pLastPiece = pCurPieces->GetPtrAt(--iCount);
|
if (dwStatus > FX_RTFBREAK_PieceBreak) {
|
pLastPiece->m_dwStatus = dwStatus;
|
} else {
|
dwStatus = pLastPiece->m_dwStatus;
|
}
|
return dwStatus;
|
} else {
|
CFX_RTFLine* pLastLine = GetRTFLine(TRUE);
|
if (pLastLine) {
|
pCurPieces = &pLastLine->m_LinePieces;
|
iCount = pCurPieces->GetSize();
|
if (iCount-- > 0) {
|
CFX_RTFPiece* pLastPiece = pCurPieces->GetPtrAt(iCount);
|
if (dwStatus > FX_RTFBREAK_PieceBreak) {
|
pLastPiece->m_dwStatus = dwStatus;
|
} else {
|
dwStatus = pLastPiece->m_dwStatus;
|
}
|
return dwStatus;
|
}
|
return FX_RTFBREAK_None;
|
}
|
iCount = m_pCurLine->CountChars();
|
if (iCount < 1) {
|
return FX_RTFBREAK_None;
|
}
|
CFX_RTFChar& tc = m_pCurLine->GetChar(iCount - 1);
|
tc.m_dwStatus = dwStatus;
|
if (dwStatus <= FX_RTFBREAK_PieceBreak) {
|
return dwStatus;
|
}
|
}
|
m_iReady = (m_pCurLine == &m_RTFLine1) ? 1 : 2;
|
CFX_RTFLine* pNextLine =
|
(m_pCurLine == &m_RTFLine1) ? &m_RTFLine2 : &m_RTFLine1;
|
FX_BOOL bAllChars = (m_iAlignment > FX_RTFLINEALIGNMENT_Right);
|
CFX_TPOArray tpos;
|
if (EndBreak_SplitLine(pNextLine, bAllChars, dwStatus)) {
|
goto EndBreak_Ret;
|
}
|
if (!m_bCharCode) {
|
EndBreak_BidiLine(tpos, dwStatus);
|
}
|
if (!m_bPagination && m_iAlignment > FX_RTFLINEALIGNMENT_Left) {
|
EndBreak_Alignment(tpos, bAllChars, dwStatus);
|
}
|
EndBreak_Ret:
|
m_pCurLine = pNextLine;
|
m_pCurLine->m_iStart = m_iBoundaryStart;
|
CFX_RTFChar* pTC = GetLastChar(0);
|
m_eCharType = pTC ? pTC->GetCharType() : FX_CHARTYPE_Unknown;
|
return dwStatus;
|
}
|
FX_BOOL CFX_RTFBreak::EndBreak_SplitLine(CFX_RTFLine* pNextLine,
|
FX_BOOL bAllChars,
|
uint32_t dwStatus) {
|
FX_BOOL bDone = FALSE;
|
if (!m_bSingleLine && !m_bOrphanLine &&
|
m_pCurLine->GetLineEnd() > m_iBoundaryEnd + m_iTolerance) {
|
CFX_RTFChar& tc = m_pCurLine->GetChar(m_pCurLine->CountChars() - 1);
|
switch (tc.GetCharType()) {
|
case FX_CHARTYPE_Tab:
|
if ((m_dwPolicies & FX_RTFBREAKPOLICY_TabBreak) != 0) {
|
SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars);
|
bDone = TRUE;
|
}
|
break;
|
case FX_CHARTYPE_Control:
|
break;
|
case FX_CHARTYPE_Space:
|
if ((m_dwPolicies & FX_RTFBREAKPOLICY_SpaceBreak) != 0) {
|
SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars);
|
bDone = TRUE;
|
}
|
break;
|
default:
|
SplitTextLine(m_pCurLine, pNextLine, !m_bPagination && bAllChars);
|
bDone = TRUE;
|
break;
|
}
|
}
|
if (m_bPagination || m_pCurLine->m_iMBCSChars > 0) {
|
const CFX_RTFChar* pCurChars = m_pCurLine->m_LineChars.GetData();
|
const CFX_RTFChar* pTC;
|
CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces;
|
CFX_RTFPiece tp;
|
tp.m_pChars = &m_pCurLine->m_LineChars;
|
FX_BOOL bNew = TRUE;
|
uint32_t dwIdentity = (uint32_t)-1;
|
int32_t iLast = m_pCurLine->CountChars() - 1, j = 0;
|
for (int32_t i = 0; i <= iLast;) {
|
pTC = pCurChars + i;
|
if (bNew) {
|
tp.m_iStartChar = i;
|
tp.m_iStartPos += tp.m_iWidth;
|
tp.m_iWidth = 0;
|
tp.m_dwStatus = pTC->m_dwStatus;
|
tp.m_iFontSize = pTC->m_iFontSize;
|
tp.m_iFontHeight = pTC->m_iFontHeight;
|
tp.m_iHorizontalScale = pTC->m_iHorizontalScale;
|
tp.m_iVerticalScale = pTC->m_iVertialScale;
|
tp.m_dwLayoutStyles = pTC->m_dwLayoutStyles;
|
dwIdentity = pTC->m_dwIdentity;
|
tp.m_dwIdentity = dwIdentity;
|
tp.m_pUserData = pTC->m_pUserData;
|
j = i;
|
bNew = FALSE;
|
}
|
if (i == iLast || pTC->m_dwStatus != FX_RTFBREAK_None ||
|
pTC->m_dwIdentity != dwIdentity) {
|
tp.m_iChars = i - j;
|
if (pTC->m_dwIdentity == dwIdentity) {
|
tp.m_dwStatus = pTC->m_dwStatus;
|
tp.m_iWidth += pTC->m_iCharWidth;
|
tp.m_iChars += 1;
|
i++;
|
}
|
pCurPieces->Add(tp);
|
bNew = TRUE;
|
} else {
|
tp.m_iWidth += pTC->m_iCharWidth;
|
i++;
|
}
|
}
|
return TRUE;
|
}
|
if (bAllChars && !bDone) {
|
int32_t iEndPos = m_pCurLine->GetLineEnd();
|
GetBreakPos(m_pCurLine->m_LineChars, iEndPos, bAllChars, TRUE);
|
}
|
return FALSE;
|
}
|
void CFX_RTFBreak::EndBreak_BidiLine(CFX_TPOArray& tpos, uint32_t dwStatus) {
|
FX_TPO tpo;
|
CFX_RTFPiece tp;
|
CFX_RTFChar* pTC;
|
int32_t i, j;
|
CFX_RTFCharArray& chars = m_pCurLine->m_LineChars;
|
int32_t iCount = m_pCurLine->CountChars();
|
FX_BOOL bDone = (!m_bPagination && !m_bCharCode &&
|
(m_pCurLine->m_iArabicChars > 0 || m_bRTL));
|
if (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_bRTL ? 1 : 0);
|
} else {
|
for (i = 0; i < iCount; i++) {
|
pTC = chars.GetDataPtr(i);
|
pTC->m_iBidiLevel = 0;
|
pTC->m_iBidiPos = 0;
|
pTC->m_iBidiOrder = 0;
|
}
|
}
|
tp.m_dwStatus = FX_RTFBREAK_PieceBreak;
|
tp.m_iStartPos = m_pCurLine->m_iStart;
|
tp.m_pChars = &chars;
|
CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces;
|
int32_t iBidiLevel = -1, iCharWidth;
|
uint32_t dwIdentity = (uint32_t)-1;
|
i = j = 0;
|
while (i < iCount) {
|
pTC = chars.GetDataPtr(i);
|
if (iBidiLevel < 0) {
|
iBidiLevel = pTC->m_iBidiLevel;
|
iCharWidth = pTC->m_iCharWidth;
|
if (iCharWidth < 1) {
|
tp.m_iWidth = 0;
|
} else {
|
tp.m_iWidth = iCharWidth;
|
}
|
tp.m_iBidiLevel = iBidiLevel;
|
tp.m_iBidiPos = pTC->m_iBidiOrder;
|
tp.m_iFontSize = pTC->m_iFontSize;
|
tp.m_iFontHeight = pTC->m_iFontHeight;
|
tp.m_iHorizontalScale = pTC->m_iHorizontalScale;
|
tp.m_iVerticalScale = pTC->m_iVertialScale;
|
dwIdentity = pTC->m_dwIdentity;
|
tp.m_dwIdentity = dwIdentity;
|
tp.m_pUserData = pTC->m_pUserData;
|
tp.m_dwStatus = FX_RTFBREAK_PieceBreak;
|
i++;
|
} else if (iBidiLevel != pTC->m_iBidiLevel ||
|
pTC->m_dwIdentity != dwIdentity) {
|
tp.m_iChars = i - tp.m_iStartChar;
|
pCurPieces->Add(tp);
|
tp.m_iStartPos += tp.m_iWidth;
|
tp.m_iStartChar = i;
|
tpo.index = j++;
|
tpo.pos = tp.m_iBidiPos;
|
tpos.Add(tpo);
|
iBidiLevel = -1;
|
} else {
|
iCharWidth = pTC->m_iCharWidth;
|
if (iCharWidth > 0) {
|
tp.m_iWidth += iCharWidth;
|
}
|
i++;
|
}
|
}
|
if (i > tp.m_iStartChar) {
|
tp.m_dwStatus = dwStatus;
|
tp.m_iChars = i - tp.m_iStartChar;
|
pCurPieces->Add(tp);
|
tpo.index = j;
|
tpo.pos = tp.m_iBidiPos;
|
tpos.Add(tpo);
|
}
|
if (!m_bCharCode) {
|
j = tpos.GetSize() - 1;
|
FX_TEXTLAYOUT_PieceSort(tpos, 0, j);
|
int32_t iStartPos = m_pCurLine->m_iStart;
|
for (i = 0; i <= j; i++) {
|
tpo = tpos.GetAt(i);
|
CFX_RTFPiece& ttp = pCurPieces->GetAt(tpo.index);
|
ttp.m_iStartPos = iStartPos;
|
iStartPos += ttp.m_iWidth;
|
}
|
}
|
}
|
void CFX_RTFBreak::EndBreak_Alignment(CFX_TPOArray& tpos,
|
FX_BOOL bAllChars,
|
uint32_t dwStatus) {
|
CFX_RTFPieceArray* pCurPieces = &m_pCurLine->m_LinePieces;
|
int32_t iNetWidth = m_pCurLine->m_iWidth, iGapChars = 0, iCharWidth;
|
int32_t iCount = pCurPieces->GetSize();
|
FX_BOOL bFind = FALSE;
|
uint32_t dwCharType;
|
int32_t i, j;
|
FX_TPO tpo;
|
for (i = iCount - 1; i > -1; i--) {
|
tpo = tpos.GetAt(i);
|
CFX_RTFPiece& ttp = pCurPieces->GetAt(tpo.index);
|
if (!bFind) {
|
iNetWidth = ttp.GetEndPos();
|
}
|
FX_BOOL bArabic = FX_IsOdd(ttp.m_iBidiLevel);
|
j = bArabic ? 0 : ttp.m_iChars - 1;
|
while (j > -1 && j < ttp.m_iChars) {
|
const CFX_RTFChar& tc = ttp.GetChar(j);
|
if (tc.m_nBreakType == FX_LBT_DIRECT_BRK) {
|
iGapChars++;
|
}
|
if (!bFind || !bAllChars) {
|
dwCharType = tc.GetCharType();
|
if (dwCharType == FX_CHARTYPE_Space ||
|
dwCharType == FX_CHARTYPE_Control) {
|
if (!bFind) {
|
iCharWidth = tc.m_iCharWidth;
|
if (bAllChars && iCharWidth > 0) {
|
iNetWidth -= iCharWidth;
|
}
|
}
|
} else {
|
bFind = TRUE;
|
if (!bAllChars) {
|
break;
|
}
|
}
|
}
|
j += bArabic ? 1 : -1;
|
}
|
if (!bAllChars && bFind) {
|
break;
|
}
|
}
|
int32_t iOffset = m_iBoundaryEnd - iNetWidth;
|
int32_t iLowerAlignment = (m_iAlignment & FX_RTFLINEALIGNMENT_LowerMask);
|
int32_t iHigherAlignment = (m_iAlignment & FX_RTFLINEALIGNMENT_HigherMask);
|
if (iGapChars > 0 && (iHigherAlignment == FX_RTFLINEALIGNMENT_Distributed ||
|
(iHigherAlignment == FX_RTFLINEALIGNMENT_Justified &&
|
dwStatus != FX_RTFBREAK_ParagraphBreak))) {
|
int32_t iStart = -1;
|
for (i = 0; i < iCount; i++) {
|
tpo = tpos.GetAt(i);
|
CFX_RTFPiece& ttp = pCurPieces->GetAt(tpo.index);
|
if (iStart < 0) {
|
iStart = ttp.m_iStartPos;
|
} else {
|
ttp.m_iStartPos = iStart;
|
}
|
int32_t k;
|
for (j = 0; j < ttp.m_iChars; j++) {
|
CFX_RTFChar& tc = ttp.GetChar(j);
|
if (tc.m_nBreakType != FX_LBT_DIRECT_BRK || tc.m_iCharWidth < 0) {
|
continue;
|
}
|
k = iOffset / iGapChars;
|
tc.m_iCharWidth += k;
|
ttp.m_iWidth += k;
|
iOffset -= k;
|
iGapChars--;
|
if (iGapChars < 1) {
|
break;
|
}
|
}
|
iStart += ttp.m_iWidth;
|
}
|
} else if (iLowerAlignment > FX_RTFLINEALIGNMENT_Left) {
|
if (iLowerAlignment == FX_RTFLINEALIGNMENT_Center) {
|
iOffset /= 2;
|
}
|
if (iOffset > 0) {
|
for (i = 0; i < iCount; i++) {
|
CFX_RTFPiece& ttp = pCurPieces->GetAt(i);
|
ttp.m_iStartPos += iOffset;
|
}
|
}
|
}
|
}
|
int32_t CFX_RTFBreak::GetBreakPos(CFX_RTFCharArray& tca,
|
int32_t& iEndPos,
|
FX_BOOL bAllChars,
|
FX_BOOL bOnlyBrk) {
|
int32_t iLength = tca.GetSize() - 1;
|
if (iLength < 1) {
|
return iLength;
|
}
|
int32_t iBreak = -1, iBreakPos = -1, iIndirect = -1, iIndirectPos = -1,
|
iLast = -1, iLastPos = -1;
|
if (m_bSingleLine || m_bOrphanLine || iEndPos <= m_iBoundaryEnd) {
|
if (!bAllChars || m_bCharCode) {
|
return iLength;
|
}
|
iBreak = iLength;
|
iBreakPos = iEndPos;
|
}
|
CFX_RTFChar* pCharArray = tca.GetData();
|
if (m_bCharCode) {
|
const CFX_RTFChar* pChar;
|
int32_t iCharWidth;
|
while (iLength > 0) {
|
if (iEndPos <= m_iBoundaryEnd) {
|
break;
|
}
|
pChar = pCharArray + iLength--;
|
iCharWidth = pChar->m_iCharWidth;
|
if (iCharWidth > 0) {
|
iEndPos -= iCharWidth;
|
}
|
}
|
return iLength;
|
}
|
FX_BOOL bSpaceBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_SpaceBreak) != 0;
|
FX_BOOL bTabBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_TabBreak) != 0;
|
FX_BOOL bNumberBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_NumberBreak) != 0;
|
FX_BOOL bInfixBreak = (m_dwPolicies & FX_RTFBREAKPOLICY_InfixBreak) != 0;
|
FX_LINEBREAKTYPE eType;
|
uint32_t nCodeProp, nCur, nNext;
|
CFX_RTFChar* pCur = pCharArray + 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 = pCharArray + iLength;
|
nCodeProp = pCur->m_dwCharProps;
|
nCur = nCodeProp & 0x003F;
|
FX_BOOL bNeedBreak = FALSE;
|
if (nCur == FX_CBP_SP) {
|
bNeedBreak = !bSpaceBreak;
|
if (nNext == FX_CBP_SP) {
|
eType = bSpaceBreak ? FX_LBT_DIRECT_BRK : FX_LBT_PROHIBITED_BRK;
|
} else {
|
eType = gs_FX_LineBreak_PairTable[nCur][nNext];
|
}
|
} else if (nCur == FX_CBP_TB) {
|
bNeedBreak = !bTabBreak;
|
if (nNext == FX_CBP_TB) {
|
eType = bTabBreak ? FX_LBT_DIRECT_BRK : FX_LBT_PROHIBITED_BRK;
|
} else {
|
eType = gs_FX_LineBreak_PairTable[nCur][nNext];
|
}
|
} else if ((bNumberBreak && nCur == FX_CBP_NU && nNext == FX_CBP_NU) ||
|
(bInfixBreak && nCur == FX_CBP_IS && nNext == FX_CBP_IS)) {
|
eType = FX_LBT_DIRECT_BRK;
|
} else {
|
if (nNext == FX_CBP_SP) {
|
eType = FX_LBT_PROHIBITED_BRK;
|
} else {
|
eType = gs_FX_LineBreak_PairTable[nCur][nNext];
|
}
|
}
|
if (bAllChars) {
|
pCur->m_nBreakType = eType;
|
}
|
if (!bOnlyBrk) {
|
iCharWidth = pCur->m_iCharWidth;
|
FX_BOOL bBreak = FALSE;
|
if (nCur == FX_CBP_TB && bTabBreak) {
|
bBreak = iCharWidth > 0 && iEndPos - iCharWidth <= m_iBoundaryEnd;
|
} else {
|
bBreak = iEndPos <= m_iBoundaryEnd;
|
}
|
if (m_bSingleLine || m_bOrphanLine || bBreak || bNeedBreak) {
|
if (eType == FX_LBT_DIRECT_BRK && iBreak < 0) {
|
iBreak = iLength;
|
iBreakPos = iEndPos;
|
if (!bAllChars) {
|
return iLength;
|
}
|
} else if (eType == FX_LBT_INDIRECT_BRK && iIndirect < 0) {
|
iIndirect = iLength;
|
iIndirectPos = iEndPos;
|
}
|
if (iLast < 0) {
|
iLast = iLength;
|
iLastPos = iEndPos;
|
}
|
}
|
if (iCharWidth > 0) {
|
iEndPos -= iCharWidth;
|
}
|
}
|
nNext = nCodeProp & 0x003F;
|
iLength--;
|
}
|
if (bOnlyBrk) {
|
return 0;
|
}
|
if (iBreak > -1) {
|
iEndPos = iBreakPos;
|
return iBreak;
|
}
|
if (iIndirect > -1) {
|
iEndPos = iIndirectPos;
|
return iIndirect;
|
}
|
if (iLast > -1) {
|
iEndPos = iLastPos;
|
return iLast;
|
}
|
return 0;
|
}
|
void CFX_RTFBreak::SplitTextLine(CFX_RTFLine* pCurLine,
|
CFX_RTFLine* pNextLine,
|
FX_BOOL bAllChars) {
|
ASSERT(pCurLine && pNextLine);
|
int32_t iCount = pCurLine->CountChars();
|
if (iCount < 2) {
|
return;
|
}
|
int32_t iEndPos = pCurLine->GetLineEnd();
|
CFX_RTFCharArray& curChars = pCurLine->m_LineChars;
|
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_RTFCharArray& nextChars = pNextLine->m_LineChars;
|
int cur_size = curChars.GetSize();
|
nextChars.SetSize(cur_size - iCharPos);
|
FXSYS_memcpy(nextChars.GetData(), curChars.GetDataPtr(iCharPos),
|
(cur_size - iCharPos) * sizeof(CFX_RTFChar));
|
iCount -= iCharPos;
|
cur_size = curChars.GetSize();
|
curChars.RemoveAt(cur_size - iCount, iCount);
|
pNextLine->m_iStart = pCurLine->m_iStart;
|
pNextLine->m_iWidth = pCurLine->GetLineEnd() - iEndPos;
|
pCurLine->m_iWidth = iEndPos;
|
curChars.GetDataPtr(iCharPos - 1)->m_nBreakType = FX_LBT_UNKNOWN;
|
iCount = nextChars.GetSize();
|
CFX_RTFChar* pNextChars = nextChars.GetData();
|
for (int32_t i = 0; i < iCount; i++) {
|
CFX_RTFChar* tc = pNextChars + i;
|
if (tc->GetCharType() >= FX_CHARTYPE_ArabicAlef) {
|
pCurLine->m_iArabicChars--;
|
pNextLine->m_iArabicChars++;
|
}
|
if (tc->m_dwLayoutStyles & FX_RTFLAYOUTSTYLE_MBCSCode) {
|
pCurLine->m_iMBCSChars--;
|
pNextLine->m_iMBCSChars++;
|
}
|
tc->m_dwStatus = 0;
|
}
|
}
|
int32_t CFX_RTFBreak::CountBreakPieces() const {
|
CFX_RTFPieceArray* pRTFPieces = GetRTFPieces(TRUE);
|
return pRTFPieces ? pRTFPieces->GetSize() : 0;
|
}
|
const CFX_RTFPiece* CFX_RTFBreak::GetBreakPiece(int32_t index) const {
|
CFX_RTFPieceArray* pRTFPieces = GetRTFPieces(TRUE);
|
if (!pRTFPieces) {
|
return nullptr;
|
}
|
if (index < 0 || index >= pRTFPieces->GetSize()) {
|
return nullptr;
|
}
|
return pRTFPieces->GetPtrAt(index);
|
}
|
void CFX_RTFBreak::GetLineRect(CFX_RectF& rect) const {
|
rect.top = 0;
|
CFX_RTFLine* pRTFLine = GetRTFLine(TRUE);
|
if (!pRTFLine) {
|
rect.left = ((FX_FLOAT)m_iBoundaryStart) / 20000.0f;
|
rect.width = rect.height = 0;
|
return;
|
}
|
rect.left = ((FX_FLOAT)pRTFLine->m_iStart) / 20000.0f;
|
rect.width = ((FX_FLOAT)pRTFLine->m_iWidth) / 20000.0f;
|
CFX_RTFPieceArray& rtfPieces = pRTFLine->m_LinePieces;
|
int32_t iCount = rtfPieces.GetSize();
|
if (iCount < 1) {
|
rect.width = 0;
|
return;
|
}
|
CFX_RTFPiece* pBreakPiece;
|
int32_t iLineHeight = 0, iMax;
|
for (int32_t i = 0; i < iCount; i++) {
|
pBreakPiece = rtfPieces.GetPtrAt(i);
|
int32_t iFontHeight = FXSYS_round(pBreakPiece->m_iFontHeight *
|
pBreakPiece->m_iVerticalScale / 100.0f);
|
iMax = std::max(pBreakPiece->m_iFontSize, iFontHeight);
|
if (i == 0) {
|
iLineHeight = iMax;
|
} else if (iLineHeight < iMax) {
|
iLineHeight = iMax;
|
}
|
}
|
rect.height = ((FX_FLOAT)iLineHeight) / 20.0f;
|
}
|
void CFX_RTFBreak::ClearBreakPieces() {
|
CFX_RTFLine* pRTFLine = GetRTFLine(TRUE);
|
if (pRTFLine) {
|
pRTFLine->RemoveAll(TRUE);
|
}
|
m_iReady = 0;
|
}
|
void CFX_RTFBreak::Reset() {
|
m_eCharType = FX_CHARTYPE_Unknown;
|
m_RTFLine1.RemoveAll(TRUE);
|
m_RTFLine2.RemoveAll(TRUE);
|
}
|
int32_t CFX_RTFBreak::GetDisplayPos(const FX_RTFTEXTOBJ* pText,
|
FXTEXT_CHARPOS* pCharPos,
|
FX_BOOL bCharCode,
|
CFX_WideString* pWSForms,
|
FX_AdjustCharDisplayPos pAdjustPos) const {
|
if (!pText || pText->iLength < 1) {
|
return 0;
|
}
|
ASSERT(pText->pStr && pText->pWidths && pText->pFont && pText->pRect);
|
const FX_WCHAR* pStr = pText->pStr;
|
int32_t* pWidths = pText->pWidths;
|
int32_t iLength = pText->iLength - 1;
|
CFGAS_GEFont* pFont = pText->pFont;
|
uint32_t dwStyles = pText->dwLayoutStyles;
|
CFX_RectF rtText(*pText->pRect);
|
FX_BOOL bRTLPiece = FX_IsOdd(pText->iBidiLevel);
|
FX_FLOAT fFontSize = pText->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_RTFLAYOUTSTYLE_VerticalLayout) != 0;
|
FX_BOOL bVerticalChar = (dwStyles & FX_RTFLAYOUTSTYLE_VerticalChars) != 0;
|
FX_BOOL bArabicNumber = (dwStyles & FX_RTFLAYOUTSTYLE_ArabicNumber) != 0;
|
FX_BOOL bMBCSCode = (dwStyles & FX_RTFLAYOUTSTYLE_MBCSCode) != 0;
|
int32_t iRotation = GetLineRotation(dwStyles) + pText->iCharRotation;
|
int32_t iCharRotation;
|
FX_WCHAR wch, wPrev = 0xFEFF, wNext, wForm;
|
int32_t iWidth, iCharWidth, iCharHeight;
|
FX_FLOAT fX, fY, fCharWidth, fCharHeight;
|
int32_t iHorScale = pText->iHorizontalScale;
|
int32_t iVerScale = pText->iVerticalScale;
|
FX_BOOL bEmptyChar;
|
uint32_t dwProps, dwCharType;
|
fX = rtText.left;
|
fY = rtText.top;
|
if (bVerticalDoc) {
|
fX += (rtText.width - fFontSize) / 2.0f;
|
if (bRTLPiece) {
|
fY = rtText.bottom();
|
}
|
} else {
|
if (bRTLPiece) {
|
fX = rtText.right();
|
}
|
fY += fAscent;
|
}
|
int32_t iCount = 0;
|
for (int32_t i = 0; i <= iLength; i++) {
|
wch = *pStr++;
|
iWidth = *pWidths++;
|
if (!bMBCSCode) {
|
dwProps = FX_GetUnicodeProperties(wch);
|
dwCharType = (dwProps & FX_CHARTYPEBITSMASK);
|
if (dwCharType == FX_CHARTYPE_ArabicAlef && iWidth == 0) {
|
wPrev = 0xFEFF;
|
continue;
|
}
|
} else {
|
dwProps = 0;
|
dwCharType = 0;
|
}
|
if (iWidth != 0) {
|
iCharWidth = iWidth;
|
if (iCharWidth < 0) {
|
iCharWidth = -iCharWidth;
|
}
|
if (!bMBCSCode) {
|
bEmptyChar = (dwCharType >= FX_CHARTYPE_Tab &&
|
dwCharType <= FX_CHARTYPE_Control);
|
} else {
|
bEmptyChar = FALSE;
|
}
|
if (!bEmptyChar) {
|
iCount++;
|
}
|
if (pCharPos) {
|
iCharWidth /= iFontSize;
|
wForm = wch;
|
if (!bMBCSCode) {
|
if (dwCharType >= FX_CHARTYPE_ArabicAlef) {
|
if (i < iLength) {
|
wNext = *pStr;
|
if (*pWidths < 0) {
|
if (i + 1 < iLength) {
|
wNext = pStr[1];
|
}
|
}
|
} else {
|
wNext = 0xFEFF;
|
}
|
wForm = pdfium::arabic::GetFormChar(wch, wPrev, wNext);
|
} else if (bRTLPiece || bVerticalChar) {
|
wForm = FX_GetMirrorChar(wch, dwProps, bRTLPiece, bVerticalChar);
|
} else if (dwCharType == FX_CHARTYPE_Numeric && bArabicNumber) {
|
wForm = wch + 0x0630;
|
}
|
dwProps = FX_GetUnicodeProperties(wForm);
|
}
|
iCharRotation = iRotation;
|
if (!bMBCSCode && bVerticalChar && (dwProps & 0x8000) != 0) {
|
iCharRotation++;
|
iCharRotation %= 4;
|
}
|
if (!bEmptyChar) {
|
if (bCharCode) {
|
pCharPos->m_GlyphIndex = wch;
|
} else {
|
pCharPos->m_GlyphIndex = pFont->GetGlyphIndex(wForm, bMBCSCode);
|
if (pCharPos->m_GlyphIndex == 0xFFFF) {
|
pCharPos->m_GlyphIndex = pFont->GetGlyphIndex(wch, bMBCSCode);
|
}
|
}
|
#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
|
pCharPos->m_ExtGID = pCharPos->m_GlyphIndex;
|
#endif
|
pCharPos->m_FontCharWidth = iCharWidth;
|
if (pWSForms) {
|
*pWSForms += wForm;
|
}
|
}
|
if (bVerticalDoc) {
|
iCharHeight = iCharWidth;
|
iCharWidth = 1000;
|
} else {
|
iCharHeight = 1000;
|
}
|
fCharWidth = fFontSize * iCharWidth / 1000.0f;
|
fCharHeight = fFontSize * iCharHeight / 1000.0f;
|
if (!bMBCSCode && bRTLPiece && dwCharType != FX_CHARTYPE_Combination) {
|
if (bVerticalDoc) {
|
fY -= fCharHeight;
|
} else {
|
fX -= fCharWidth;
|
}
|
}
|
if (!bEmptyChar) {
|
CFX_PointF ptOffset;
|
FX_BOOL bAdjusted = FALSE;
|
if (pAdjustPos) {
|
bAdjusted = pAdjustPos(wForm, bMBCSCode, pFont, fFontSize,
|
bVerticalChar, ptOffset);
|
}
|
if (!bAdjusted && bVerticalChar && (dwProps & 0x00010000) != 0) {
|
CFX_Rect rtBBox;
|
rtBBox.Reset();
|
if (pFont->GetCharBBox(wForm, rtBBox, bMBCSCode)) {
|
ptOffset.x = fFontSize * (850 - rtBBox.right()) / 1000.0f;
|
ptOffset.y = fFontSize * (1000 - rtBBox.height) / 2000.0f;
|
}
|
}
|
pCharPos->m_OriginX = fX + ptOffset.x;
|
pCharPos->m_OriginY = fY - ptOffset.y;
|
}
|
if (!bRTLPiece && dwCharType != FX_CHARTYPE_Combination) {
|
if (bVerticalDoc) {
|
fY += fCharHeight;
|
} else {
|
fX += fCharWidth;
|
}
|
}
|
if (!bEmptyChar) {
|
pCharPos->m_bGlyphAdjust = TRUE;
|
if (bVerticalDoc) {
|
if (iCharRotation == 0) {
|
pCharPos->m_AdjustMatrix[0] = -1;
|
pCharPos->m_AdjustMatrix[1] = 0;
|
pCharPos->m_AdjustMatrix[2] = 0;
|
pCharPos->m_AdjustMatrix[3] = 1;
|
pCharPos->m_OriginY += fAscent * iVerScale / 100.0f;
|
} else if (iCharRotation == 1) {
|
pCharPos->m_AdjustMatrix[0] = 0;
|
pCharPos->m_AdjustMatrix[1] = -1;
|
pCharPos->m_AdjustMatrix[2] = -1;
|
pCharPos->m_AdjustMatrix[3] = 0;
|
pCharPos->m_OriginX -=
|
fDescent + fAscent * iVerScale / 100.0f - fAscent;
|
} else if (iCharRotation == 2) {
|
pCharPos->m_AdjustMatrix[0] = 1;
|
pCharPos->m_AdjustMatrix[1] = 0;
|
pCharPos->m_AdjustMatrix[2] = 0;
|
pCharPos->m_AdjustMatrix[3] = -1;
|
pCharPos->m_OriginX += fCharWidth;
|
pCharPos->m_OriginY += fAscent;
|
} else {
|
pCharPos->m_AdjustMatrix[0] = 0;
|
pCharPos->m_AdjustMatrix[1] = 1;
|
pCharPos->m_AdjustMatrix[2] = 1;
|
pCharPos->m_AdjustMatrix[3] = 0;
|
pCharPos->m_OriginX += fAscent;
|
pCharPos->m_OriginY += fCharWidth;
|
}
|
} else {
|
if (iCharRotation == 0) {
|
pCharPos->m_AdjustMatrix[0] = -1;
|
pCharPos->m_AdjustMatrix[1] = 0;
|
pCharPos->m_AdjustMatrix[2] = 0;
|
pCharPos->m_AdjustMatrix[3] = 1;
|
pCharPos->m_OriginY += fAscent * iVerScale / 100.0f - fAscent;
|
} else if (iCharRotation == 1) {
|
pCharPos->m_AdjustMatrix[0] = 0;
|
pCharPos->m_AdjustMatrix[1] = -1;
|
pCharPos->m_AdjustMatrix[2] = -1;
|
pCharPos->m_AdjustMatrix[3] = 0;
|
pCharPos->m_OriginX -= fDescent;
|
pCharPos->m_OriginY -= fAscent + fDescent;
|
} else if (iCharRotation == 2) {
|
pCharPos->m_AdjustMatrix[0] = 1;
|
pCharPos->m_AdjustMatrix[1] = 0;
|
pCharPos->m_AdjustMatrix[2] = 0;
|
pCharPos->m_AdjustMatrix[3] = -1;
|
pCharPos->m_OriginX += fCharWidth;
|
pCharPos->m_OriginY -= fAscent;
|
} else {
|
pCharPos->m_AdjustMatrix[0] = 0;
|
pCharPos->m_AdjustMatrix[1] = 1;
|
pCharPos->m_AdjustMatrix[2] = 1;
|
pCharPos->m_AdjustMatrix[3] = 0;
|
pCharPos->m_OriginX += fAscent * iVerScale / 100.0f;
|
}
|
}
|
if (iHorScale != 100 || iVerScale != 100) {
|
pCharPos->m_AdjustMatrix[0] =
|
pCharPos->m_AdjustMatrix[0] * iHorScale / 100.0f;
|
pCharPos->m_AdjustMatrix[1] =
|
pCharPos->m_AdjustMatrix[1] * iHorScale / 100.0f;
|
pCharPos->m_AdjustMatrix[2] =
|
pCharPos->m_AdjustMatrix[2] * iVerScale / 100.0f;
|
pCharPos->m_AdjustMatrix[3] =
|
pCharPos->m_AdjustMatrix[3] * iVerScale / 100.0f;
|
}
|
pCharPos++;
|
}
|
}
|
}
|
if (iWidth > 0) {
|
wPrev = wch;
|
}
|
}
|
return iCount;
|
}
|
int32_t CFX_RTFBreak::GetCharRects(const FX_RTFTEXTOBJ* pText,
|
CFX_RectFArray& rtArray,
|
FX_BOOL bCharBBox) const {
|
if (!pText || pText->iLength < 1) {
|
return 0;
|
}
|
ASSERT(pText->pStr && pText->pWidths && pText->pFont && pText->pRect);
|
const FX_WCHAR* pStr = pText->pStr;
|
int32_t* pWidths = pText->pWidths;
|
int32_t iLength = pText->iLength;
|
CFX_RectF rect(*pText->pRect);
|
FX_BOOL bRTLPiece = FX_IsOdd(pText->iBidiLevel);
|
FX_FLOAT fFontSize = pText->fFontSize;
|
int32_t iFontSize = FXSYS_round(fFontSize * 20.0f);
|
FX_FLOAT fScale = fFontSize / 1000.0f;
|
CFGAS_GEFont* pFont = pText->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);
|
uint32_t dwStyles = pText->dwLayoutStyles;
|
FX_BOOL bVertical = (dwStyles & FX_RTFLAYOUTSTYLE_VerticalLayout) != 0;
|
FX_BOOL bSingleLine = (dwStyles & FX_RTFLAYOUTSTYLE_SingleLine) != 0;
|
FX_BOOL bCombText = (dwStyles & FX_TXTLAYOUTSTYLE_CombText) != 0;
|
FX_WCHAR wch, wLineBreakChar = pText->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++) {
|
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;
|
}
|
|
CFX_RTFPiece::CFX_RTFPiece()
|
: m_dwStatus(FX_RTFBREAK_PieceBreak),
|
m_iStartPos(0),
|
m_iWidth(-1),
|
m_iStartChar(0),
|
m_iChars(0),
|
m_iBidiLevel(0),
|
m_iBidiPos(0),
|
m_iFontSize(0),
|
m_iFontHeight(0),
|
m_iHorizontalScale(100),
|
m_iVerticalScale(100),
|
m_dwLayoutStyles(0),
|
m_dwIdentity(0),
|
m_pChars(nullptr),
|
m_pUserData(nullptr) {}
|
|
CFX_RTFPiece::~CFX_RTFPiece() {
|
Reset();
|
}
|
|
CFX_RTFLine::CFX_RTFLine()
|
: m_LinePieces(16),
|
m_iStart(0),
|
m_iWidth(0),
|
m_iArabicChars(0),
|
m_iMBCSChars(0) {}
|
|
CFX_RTFLine::~CFX_RTFLine() {
|
RemoveAll();
|
}
|
|
FX_RTFTEXTOBJ::FX_RTFTEXTOBJ()
|
: pStr(nullptr),
|
pWidths(nullptr),
|
iLength(0),
|
pFont(nullptr),
|
fFontSize(12.0f),
|
dwLayoutStyles(0),
|
iCharRotation(0),
|
iBidiLevel(0),
|
pRect(nullptr),
|
wLineBreakChar(L'\n'),
|
iHorizontalScale(100),
|
iVerticalScale(100) {}
|
