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Unified Diff: xfa/src/fee/src/fee/fde_txtedtpage.cpp

Issue 1636873004: XFA: Fix DOS newlines (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@xfa
Patch Set: All of them Created 4 years, 11 months ago
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Index: xfa/src/fee/src/fee/fde_txtedtpage.cpp
diff --git a/xfa/src/fee/src/fee/fde_txtedtpage.cpp b/xfa/src/fee/src/fee/fde_txtedtpage.cpp
index e561a1f9cfd51f9fd8bb9388efc1095b78ef25ad..74356f2314436732a059a3e6e44131d76e9e29df 100644
--- a/xfa/src/fee/src/fee/fde_txtedtpage.cpp
+++ b/xfa/src/fee/src/fee/fde_txtedtpage.cpp
@@ -1,647 +1,647 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include <algorithm>
-
-#include "xfa/src/foxitlib.h"
-#include "xfa/src/fee/include/ifde_txtedtbuf.h"
-#include "xfa/src/fee/include/ifde_txtedtengine.h"
-#include "xfa/src/fee/include/ifde_txtedtpage.h"
-#include "xfa/src/fee/include/fx_wordbreak.h"
-#include "fde_txtedtpage.h"
-#include "fde_txtedtengine.h"
-#include "fde_txtedtparag.h"
-#include "fde_txtedtbuf.h"
-#define FDE_TXTEDT_TOLERANCE 0.1f
-IFDE_TxtEdtPage* IFDE_TxtEdtPage::Create(IFDE_TxtEdtEngine* pEngine,
- int32_t nIndex) {
- return (IFDE_TxtEdtPage*)new CFDE_TxtEdtPage(pEngine, nIndex);
-}
-CFDE_TxtEdtTextSet::CFDE_TxtEdtTextSet(CFDE_TxtEdtPage* pPage)
- : m_pPage(pPage) {}
-CFDE_TxtEdtTextSet::~CFDE_TxtEdtTextSet() {}
-FDE_VISUALOBJTYPE CFDE_TxtEdtTextSet::GetType() {
- return FDE_VISUALOBJ_Text;
-}
-FX_BOOL CFDE_TxtEdtTextSet::GetBBox(FDE_HVISUALOBJ hVisualObj,
- CFX_RectF& bbox) {
- return FALSE;
-}
-FX_BOOL CFDE_TxtEdtTextSet::GetMatrix(FDE_HVISUALOBJ hVisualObj,
- CFX_Matrix& matrix) {
- return FALSE;
-}
-FX_BOOL CFDE_TxtEdtTextSet::GetRect(FDE_HVISUALOBJ hVisualObj, CFX_RectF& rt) {
- rt = ((FDE_LPTEXTEDITPIECE)(hVisualObj))->rtPiece;
- return TRUE;
-}
-FX_BOOL CFDE_TxtEdtTextSet::GetClip(FDE_HVISUALOBJ hVisualObj, CFX_RectF& rt) {
- return FALSE;
-}
-int32_t CFDE_TxtEdtTextSet::GetString(FDE_HVISUALOBJ hText,
- CFX_WideString& wsText) {
- FDE_LPTEXTEDITPIECE pPiece = (FDE_LPTEXTEDITPIECE)hText;
- FX_WCHAR* pBuffer = wsText.GetBuffer(pPiece->nCount);
- for (int32_t i = 0; i < pPiece->nCount; i++) {
- pBuffer[i] = m_pPage->GetChar((void*)hText, i);
- }
- wsText.ReleaseBuffer(pPiece->nCount);
- return pPiece->nCount;
-}
-IFX_Font* CFDE_TxtEdtTextSet::GetFont(FDE_HVISUALOBJ hText) {
- return m_pPage->GetEngine()->GetEditParams()->pFont;
-}
-FX_FLOAT CFDE_TxtEdtTextSet::GetFontSize(FDE_HVISUALOBJ hText) {
- return m_pPage->GetEngine()->GetEditParams()->fFontSize;
-}
-FX_ARGB CFDE_TxtEdtTextSet::GetFontColor(FDE_HVISUALOBJ hText) {
- return m_pPage->GetEngine()->GetEditParams()->dwFontColor;
-}
-int32_t CFDE_TxtEdtTextSet::GetDisplayPos(FDE_HVISUALOBJ hText,
- FXTEXT_CHARPOS* pCharPos,
- FX_BOOL bCharCode,
- CFX_WideString* pWSForms) {
- if (hText == NULL) {
- return 0;
- }
- FDE_LPTEXTEDITPIECE pPiece = (FDE_LPTEXTEDITPIECE)hText;
- int32_t nLength = pPiece->nCount;
- if (nLength < 1) {
- return 0;
- }
- CFDE_TxtEdtEngine* pEngine = (CFDE_TxtEdtEngine*)(m_pPage->GetEngine());
- const FDE_TXTEDTPARAMS* pTextParams = pEngine->GetEditParams();
- IFX_TxtBreak* pBreak = pEngine->GetTextBreak();
- FX_DWORD dwLayoutStyle = pBreak->GetLayoutStyles();
- FX_TXTRUN tr;
- tr.pAccess = m_pPage;
- tr.pIdentity = (void*)hText;
- tr.pStr = NULL;
- tr.pWidths = NULL;
- tr.iLength = nLength;
- tr.pFont = pTextParams->pFont;
- tr.fFontSize = pTextParams->fFontSize;
- tr.dwStyles = dwLayoutStyle;
- tr.iCharRotation = pTextParams->nCharRotation;
- tr.dwCharStyles = pPiece->dwCharStyles;
- tr.pRect = &(pPiece->rtPiece);
- tr.wLineBreakChar = pTextParams->wLineBreakChar;
- return pBreak->GetDisplayPos(&tr, pCharPos, bCharCode, pWSForms);
-}
-int32_t CFDE_TxtEdtTextSet::GetCharRects(FDE_HVISUALOBJ hText,
- CFX_RectFArray& rtArray) {
- return GetCharRects_Impl(hText, rtArray);
-}
-int32_t CFDE_TxtEdtTextSet::GetCharRects_Impl(FDE_HVISUALOBJ hText,
- CFX_RectFArray& rtArray,
- FX_BOOL bBBox) {
- if (hText == NULL) {
- return 0;
- }
- FDE_LPTEXTEDITPIECE pPiece = (FDE_LPTEXTEDITPIECE)hText;
- CFDE_TxtEdtEngine* pEngine = (CFDE_TxtEdtEngine*)(m_pPage->GetEngine());
- int32_t nLength = pPiece->nCount;
- if (nLength < 1) {
- return 0;
- }
- const FDE_TXTEDTPARAMS* pTextParams = pEngine->GetEditParams();
- FX_DWORD dwLayoutStyle = pEngine->GetTextBreak()->GetLayoutStyles();
- FX_TXTRUN tr;
- tr.pAccess = m_pPage;
- tr.pIdentity = (void*)hText;
- tr.pStr = NULL;
- tr.pWidths = NULL;
- tr.iLength = nLength;
- tr.pFont = pTextParams->pFont;
- tr.fFontSize = pTextParams->fFontSize;
- tr.dwStyles = dwLayoutStyle;
- tr.iCharRotation = pTextParams->nCharRotation;
- tr.dwCharStyles = pPiece->dwCharStyles;
- tr.pRect = &(pPiece->rtPiece);
- tr.wLineBreakChar = pTextParams->wLineBreakChar;
- return pEngine->GetTextBreak()->GetCharRects(&tr, rtArray, bBBox);
-}
-CFDE_TxtEdtPage::CFDE_TxtEdtPage(IFDE_TxtEdtEngine* pEngine, int32_t nPageIndex)
- : m_pIter(nullptr),
- m_pTextSet(nullptr),
- m_pBgnParag(nullptr),
- m_pEndParag(nullptr),
- m_nRefCount(0),
- m_nPageStart(-1),
- m_nCharCount(0),
- m_nPageIndex(nPageIndex),
- m_bLoaded(FALSE),
- m_pCharWidth(nullptr) {
- FXSYS_memset(&m_rtPage, 0, sizeof(CFX_RectF));
- FXSYS_memset(&m_rtPageMargin, 0, sizeof(CFX_RectF));
- FXSYS_memset(&m_rtPageContents, 0, sizeof(CFX_RectF));
- FXSYS_memset(&m_rtPageCanvas, 0, sizeof(CFX_RectF));
- m_pEditEngine = (CFDE_TxtEdtEngine*)pEngine;
-}
-CFDE_TxtEdtPage::~CFDE_TxtEdtPage() {
- m_PieceMassArr.RemoveAll(TRUE);
- if (m_pTextSet) {
- delete m_pTextSet;
- m_pTextSet = NULL;
- }
- if (m_pCharWidth) {
- delete[] m_pCharWidth;
- m_pCharWidth = NULL;
- }
- if (m_pIter != NULL) {
- m_pIter->Release();
- m_pIter = NULL;
- }
-}
-void CFDE_TxtEdtPage::Release() {
- delete this;
-}
-IFDE_TxtEdtEngine* CFDE_TxtEdtPage::GetEngine() const {
- return (IFDE_TxtEdtEngine*)m_pEditEngine;
-}
-FDE_VISUALOBJTYPE CFDE_TxtEdtPage::GetType() {
- return FDE_VISUALOBJ_Text;
-}
-FX_BOOL CFDE_TxtEdtPage::GetBBox(FDE_HVISUALOBJ hVisualObj, CFX_RectF& bbox) {
- return FALSE;
-}
-FX_BOOL CFDE_TxtEdtPage::GetMatrix(FDE_HVISUALOBJ hVisualObj,
- CFX_Matrix& matrix) {
- return FALSE;
-}
-FX_BOOL CFDE_TxtEdtPage::GetRect(FDE_HVISUALOBJ hVisualObj, CFX_RectF& rt) {
- return FALSE;
-}
-FX_BOOL CFDE_TxtEdtPage::GetClip(FDE_HVISUALOBJ hVisualObj, CFX_RectF& rt) {
- return FALSE;
-}
-int32_t CFDE_TxtEdtPage::GetCharRect(int32_t nIndex,
- CFX_RectF& rect,
- FX_BOOL bBBox) const {
- FXSYS_assert(m_nRefCount > 0);
- FXSYS_assert(nIndex >= 0 && nIndex < m_nCharCount);
- if (m_nRefCount < 1) {
- return 0;
- }
- int32_t nCount = m_PieceMassArr.GetSize();
- for (int32_t i = 0; i < nCount; i++) {
- const FDE_LPTEXTEDITPIECE pPiece = m_PieceMassArr.GetPtrAt(i);
- if (nIndex >= pPiece->nStart &&
- nIndex < (pPiece->nStart + pPiece->nCount)) {
- CFX_RectFArray rectArr;
- if (bBBox) {
- m_pTextSet->GetCharRects_Impl((FDE_HVISUALOBJ)pPiece, rectArr, bBBox);
- } else {
- m_pTextSet->GetCharRects((FDE_HVISUALOBJ)pPiece, rectArr);
- }
- rect = rectArr[nIndex - pPiece->nStart];
- return pPiece->nBidiLevel;
- }
- }
- FXSYS_assert(0);
- return 0;
-}
-int32_t CFDE_TxtEdtPage::GetCharIndex(const CFX_PointF& fPoint,
- FX_BOOL& bBefore) {
- FX_BOOL bVertical = m_pEditEngine->GetEditParams()->dwLayoutStyles &
- FDE_TEXTEDITLAYOUT_DocVertical;
- CFX_PointF ptF = fPoint;
- NormalizePt2Rect(ptF, m_rtPageContents, FDE_TXTEDT_TOLERANCE);
- int32_t nCount = m_PieceMassArr.GetSize();
- CFX_RectF rtLine;
- int32_t nBgn = 0;
- int32_t nEnd = 0;
- FX_BOOL bInLine = FALSE;
- int32_t i = 0;
- for (i = 0; i < nCount; i++) {
- const FDE_LPTEXTEDITPIECE pPiece = m_PieceMassArr.GetPtrAt(i);
- if (!bInLine && (bVertical ? (pPiece->rtPiece.left <= ptF.x &&
- pPiece->rtPiece.right() > ptF.x)
- : (pPiece->rtPiece.top <= ptF.y &&
- pPiece->rtPiece.bottom() > ptF.y))) {
- nBgn = nEnd = i;
- rtLine = pPiece->rtPiece;
- bInLine = TRUE;
- } else if (bInLine) {
- if (bVertical ? (!(pPiece->rtPiece.left <= ptF.x &&
- pPiece->rtPiece.right() > ptF.x))
- : (pPiece->rtPiece.bottom() <= ptF.y ||
- pPiece->rtPiece.top > ptF.y)) {
- nEnd = i - 1;
- break;
- } else {
- rtLine.Union(pPiece->rtPiece);
- }
- }
- }
- NormalizePt2Rect(ptF, rtLine, FDE_TXTEDT_TOLERANCE);
- int32_t nCaret = 0;
- FDE_LPTEXTEDITPIECE pPiece = NULL;
- for (i = nBgn; i <= nEnd; i++) {
- pPiece = m_PieceMassArr.GetPtrAt(i);
- nCaret = m_nPageStart + pPiece->nStart;
- if (pPiece->rtPiece.Contains(ptF)) {
- CFX_RectFArray rectArr;
- m_pTextSet->GetCharRects((FDE_HVISUALOBJ)pPiece, rectArr);
- int32_t nRtCount = rectArr.GetSize();
- for (int32_t j = 0; j < nRtCount; j++) {
- if (rectArr[j].Contains(ptF)) {
- nCaret = m_nPageStart + pPiece->nStart + j;
- if (nCaret >= m_pEditEngine->GetTextBufLength()) {
- bBefore = TRUE;
- return m_pEditEngine->GetTextBufLength();
- }
- FX_WCHAR wChar = m_pEditEngine->GetTextBuf()->GetCharByIndex(nCaret);
- if (wChar == L'\n' || wChar == L'\r') {
- if (wChar == L'\n') {
- if (m_pEditEngine->GetTextBuf()->GetCharByIndex(nCaret - 1) ==
- L'\r') {
- nCaret--;
- }
- }
- bBefore = TRUE;
- return nCaret;
- }
- if (bVertical
- ? (ptF.y > ((rectArr[j].top + rectArr[j].bottom()) / 2))
- : (ptF.x > ((rectArr[j].left + rectArr[j].right()) / 2))) {
- bBefore = FX_IsOdd(pPiece->nBidiLevel);
- } else {
- bBefore = !FX_IsOdd(pPiece->nBidiLevel);
- }
- return nCaret;
- }
- }
- }
- }
- bBefore = TRUE;
- return nCaret;
-}
-int32_t CFDE_TxtEdtPage::GetCharStart() const {
- return m_nPageStart;
-}
-int32_t CFDE_TxtEdtPage::GetCharCount() const {
- return m_nCharCount;
-}
-int32_t CFDE_TxtEdtPage::GetDisplayPos(const CFX_RectF& rtClip,
- FXTEXT_CHARPOS*& pCharPos,
- FX_LPRECTF pBBox) const {
- pCharPos = FX_Alloc(FXTEXT_CHARPOS, m_nCharCount);
- int32_t nCharPosCount = 0;
- FDE_HVISUALOBJ hVisualObj = NULL;
- int32_t nVisualObjCount = m_PieceMassArr.GetSize();
- FXTEXT_CHARPOS* pos = pCharPos;
- CFX_RectF rtObj;
- for (int32_t i = 0; i < nVisualObjCount; i++) {
- hVisualObj = (FDE_HVISUALOBJ)m_PieceMassArr.GetPtrAt(i);
- m_pTextSet->GetRect(hVisualObj, rtObj);
- if (!rtClip.IntersectWith(rtObj)) {
- continue;
- }
- int32_t nCount = m_pTextSet->GetDisplayPos(hVisualObj, pos, FALSE);
- nCharPosCount += nCount;
- pos += nCount;
- }
- if ((nCharPosCount * 5) < (m_nCharCount << 2)) {
- FXTEXT_CHARPOS* pTemp = FX_Alloc(FXTEXT_CHARPOS, nCharPosCount);
- FXSYS_memcpy(pTemp, pCharPos, sizeof(FXTEXT_CHARPOS) * nCharPosCount);
- FX_Free(pCharPos);
- pCharPos = pTemp;
- }
- return nCharPosCount;
-}
-void CFDE_TxtEdtPage::CalcRangeRectArray(int32_t nStart,
- int32_t nCount,
- CFX_RectFArray& RectFArr) const {
- int32_t nPieceCount = m_PieceMassArr.GetSize();
- int32_t nEnd = nStart + nCount - 1;
- FX_BOOL bInRange = FALSE;
- for (int32_t i = 0; i < nPieceCount; i++) {
- FDE_LPTEXTEDITPIECE piece = m_PieceMassArr.GetPtrAt(i);
- if (!bInRange) {
- if (nStart >= piece->nStart && nStart < (piece->nStart + piece->nCount)) {
- int32_t nRangeEnd = piece->nCount - 1;
- FX_BOOL bEnd = FALSE;
- if (nEnd >= piece->nStart && nEnd < (piece->nStart + piece->nCount)) {
- nRangeEnd = nEnd - piece->nStart;
- bEnd = TRUE;
- }
- CFX_RectFArray rcArr;
- m_pTextSet->GetCharRects((FDE_HVISUALOBJ)piece, rcArr);
- CFX_RectF rectPiece = rcArr[nStart - piece->nStart];
- rectPiece.Union(rcArr[nRangeEnd]);
- RectFArr.Add(rectPiece);
- if (bEnd) {
- return;
- }
- bInRange = TRUE;
- }
- } else {
- if (nEnd >= piece->nStart && nEnd < (piece->nStart + piece->nCount)) {
- CFX_RectFArray rcArr;
- m_pTextSet->GetCharRects((FDE_HVISUALOBJ)piece, rcArr);
- CFX_RectF rectPiece = rcArr[0];
- rectPiece.Union(rcArr[nEnd - piece->nStart]);
- RectFArr.Add(rectPiece);
- return;
- }
- RectFArr.Add(piece->rtPiece);
- }
- }
-}
-
-int32_t CFDE_TxtEdtPage::SelectWord(const CFX_PointF& fPoint, int32_t& nCount) {
- if (m_nRefCount < 0) {
- return -1;
- }
- IFDE_TxtEdtBuf* pBuf = m_pEditEngine->GetTextBuf();
- FX_BOOL bBefore;
- int32_t nIndex = GetCharIndex(fPoint, bBefore);
- if (nIndex == m_pEditEngine->GetTextBufLength()) {
- nIndex = m_pEditEngine->GetTextBufLength() - 1;
- }
- if (nIndex < 0) {
- return -1;
- }
- IFX_WordBreak* pIter = FX_WordBreak_Create();
- pIter->Attach(new CFDE_TxtEdtBufIter((CFDE_TxtEdtBuf*)pBuf));
- pIter->SetAt(nIndex);
- nCount = pIter->GetWordLength();
- int32_t nRet = pIter->GetWordPos();
- pIter->Release();
- return nRet;
-}
-FX_BOOL CFDE_TxtEdtPage::IsLoaded(FX_LPCRECTF pClipBox) {
- return m_bLoaded;
-}
-int32_t CFDE_TxtEdtPage::LoadPage(FX_LPCRECTF pClipBox, IFX_Pause* pPause) {
- if (m_nRefCount > 0) {
- m_nRefCount++;
- return m_nRefCount;
- }
- IFDE_TxtEdtBuf* pBuf = m_pEditEngine->GetTextBuf();
- const FDE_TXTEDTPARAMS* pParams = m_pEditEngine->GetEditParams();
- if (m_pIter != NULL) {
- m_pIter->Release();
- }
- FX_WCHAR wcAlias = 0;
- if (pParams->dwMode & FDE_TEXTEDITMODE_Password) {
- wcAlias = m_pEditEngine->GetAliasChar();
- }
- m_pIter = new CFDE_TxtEdtBufIter((CFDE_TxtEdtBuf*)pBuf, wcAlias);
- IFX_TxtBreak* pBreak = m_pEditEngine->GetTextBreak();
- pBreak->EndBreak(FX_TXTBREAK_ParagraphBreak);
- pBreak->ClearBreakPieces();
- int32_t nPageLineCount = m_pEditEngine->GetPageLineCount();
- int32_t nStartLine = nPageLineCount * m_nPageIndex;
- int32_t nEndLine = std::min((nStartLine + nPageLineCount - 1),
- (m_pEditEngine->GetLineCount() - 1));
- int32_t nPageStart, nPageEnd, nTemp, nBgnParag, nStartLineInParag, nEndParag,
- nEndLineInParag;
- nBgnParag = m_pEditEngine->Line2Parag(0, 0, nStartLine, nStartLineInParag);
- m_pBgnParag = (CFDE_TxtEdtParag*)m_pEditEngine->GetParag(nBgnParag);
- m_pBgnParag->LoadParag();
- m_pBgnParag->GetLineRange(nStartLine - nStartLineInParag, nPageStart, nTemp);
- nEndParag = m_pEditEngine->Line2Parag(nBgnParag, nStartLineInParag, nEndLine,
- nEndLineInParag);
- m_pEndParag = (CFDE_TxtEdtParag*)m_pEditEngine->GetParag(nEndParag);
- m_pEndParag->LoadParag();
- m_pEndParag->GetLineRange(nEndLine - nEndLineInParag, nPageEnd, nTemp);
- nPageEnd += (nTemp - 1);
- FX_BOOL bVertial = pParams->dwLayoutStyles & FDE_TEXTEDITLAYOUT_DocVertical;
- FX_BOOL bLineReserve =
- pParams->dwLayoutStyles & FDE_TEXTEDITLAYOUT_LineReserve;
- FX_FLOAT fLineStart =
- bVertial
- ? (bLineReserve ? (pParams->fPlateWidth - pParams->fLineSpace) : 0.0f)
- : 0.0f;
- FX_FLOAT fLineStep =
- (bVertial && bLineReserve) ? (-pParams->fLineSpace) : pParams->fLineSpace;
- FX_FLOAT fLinePos = fLineStart;
- if (m_pTextSet == NULL) {
- m_pTextSet = new CFDE_TxtEdtTextSet(this);
- }
- m_PieceMassArr.RemoveAll(TRUE);
- FX_DWORD dwBreakStatus = FX_TXTBREAK_None;
- int32_t nPieceStart = 0;
- if (m_pCharWidth != NULL) {
- delete[] m_pCharWidth;
- }
- m_pCharWidth = new int32_t[nPageEnd - nPageStart + 1];
- pBreak->EndBreak(FX_TXTBREAK_ParagraphBreak);
- pBreak->ClearBreakPieces();
- m_nPageStart = nPageStart;
- m_nCharCount = nPageEnd - nPageStart + 1;
- FX_BOOL bReload = FALSE;
- FX_FLOAT fDefCharWidth = 0;
- IFX_CharIter* pIter = m_pIter->Clone();
- pIter->SetAt(nPageStart);
- m_pIter->SetAt(nPageStart);
- FX_BOOL bFirstPiece = TRUE;
- do {
- if (bReload) {
- dwBreakStatus = pBreak->EndBreak(FX_TXTBREAK_ParagraphBreak);
- } else {
- FX_WCHAR wAppend = pIter->GetChar();
- dwBreakStatus = pBreak->AppendChar(wAppend);
- }
- if (pIter->GetAt() == nPageEnd && dwBreakStatus < FX_TXTBREAK_LineBreak) {
- dwBreakStatus = pBreak->EndBreak(FX_TXTBREAK_ParagraphBreak);
- }
- if (dwBreakStatus > FX_TXTBREAK_PieceBreak) {
- int32_t nPieceCount = pBreak->CountBreakPieces();
- for (int32_t j = 0; j < nPieceCount; j++) {
- const CFX_TxtPiece* pPiece = pBreak->GetBreakPiece(j);
- FDE_TEXTEDITPIECE TxtEdtPiece;
- FXSYS_memset(&TxtEdtPiece, 0, sizeof(FDE_TEXTEDITPIECE));
- TxtEdtPiece.nBidiLevel = pPiece->m_iBidiLevel;
- TxtEdtPiece.nCount = pPiece->GetLength();
- TxtEdtPiece.nStart = nPieceStart;
- TxtEdtPiece.dwCharStyles = pPiece->m_dwCharStyles;
- if (FX_IsOdd(pPiece->m_iBidiLevel)) {
- TxtEdtPiece.dwCharStyles |= FX_TXTCHARSTYLE_OddBidiLevel;
- }
- FX_FLOAT fParaBreakWidth = 0.0f;
- if (pPiece->m_dwStatus > FX_TXTBREAK_PieceBreak) {
- FX_WCHAR wRtChar = pParams->wLineBreakChar;
- if (TxtEdtPiece.nCount >= 2) {
- FX_WCHAR wChar = pBuf->GetCharByIndex(
- m_nPageStart + TxtEdtPiece.nStart + TxtEdtPiece.nCount - 1);
- FX_WCHAR wCharPre = pBuf->GetCharByIndex(
- m_nPageStart + TxtEdtPiece.nStart + TxtEdtPiece.nCount - 2);
- if (wChar == wRtChar) {
- fParaBreakWidth += fDefCharWidth;
- }
- if (wCharPre == wRtChar) {
- fParaBreakWidth += fDefCharWidth;
- }
- } else if (TxtEdtPiece.nCount >= 1) {
- FX_WCHAR wChar = pBuf->GetCharByIndex(
- m_nPageStart + TxtEdtPiece.nStart + TxtEdtPiece.nCount - 1);
- if (wChar == wRtChar) {
- fParaBreakWidth += fDefCharWidth;
- }
- }
- }
- if (pParams->dwLayoutStyles & FDE_TEXTEDITLAYOUT_DocVertical) {
- TxtEdtPiece.rtPiece.left = fLinePos;
- TxtEdtPiece.rtPiece.top = (FX_FLOAT)pPiece->m_iStartPos / 20000.0f;
- TxtEdtPiece.rtPiece.width = pParams->fLineSpace;
- TxtEdtPiece.rtPiece.height =
- (FX_FLOAT)pPiece->m_iWidth / 20000.0f + fParaBreakWidth;
- } else {
- TxtEdtPiece.rtPiece.left = (FX_FLOAT)pPiece->m_iStartPos / 20000.0f;
- TxtEdtPiece.rtPiece.top = fLinePos;
- TxtEdtPiece.rtPiece.width =
- (FX_FLOAT)pPiece->m_iWidth / 20000.0f + fParaBreakWidth;
- TxtEdtPiece.rtPiece.height = pParams->fLineSpace;
- }
- if (bFirstPiece) {
- m_rtPageContents = TxtEdtPiece.rtPiece;
- bFirstPiece = FALSE;
- } else {
- m_rtPageContents.Union(TxtEdtPiece.rtPiece);
- }
- nPieceStart += TxtEdtPiece.nCount;
- m_PieceMassArr.Add(TxtEdtPiece);
- for (int32_t k = 0; k < TxtEdtPiece.nCount; k++) {
- CFX_Char* ptc = pPiece->GetCharPtr(k);
- m_pCharWidth[TxtEdtPiece.nStart + k] = ptc->m_iCharWidth;
- }
- }
- fLinePos += fLineStep;
- pBreak->ClearBreakPieces();
- }
- if (pIter->GetAt() == nPageEnd && dwBreakStatus == FX_TXTBREAK_LineBreak) {
- bReload = TRUE;
- pIter->Next(TRUE);
- }
- } while (pIter->Next(FALSE) && (pIter->GetAt() <= nPageEnd));
- if (m_rtPageContents.left != 0) {
- FX_FLOAT fDelta = 0.0f;
- if (m_rtPageContents.width < pParams->fPlateWidth) {
- if (pParams->dwAlignment & FDE_TEXTEDITALIGN_Right) {
- fDelta = pParams->fPlateWidth - m_rtPageContents.width;
- } else if (pParams->dwAlignment & FDE_TEXTEDITALIGN_Center) {
- if ((pParams->dwLayoutStyles & FDE_TEXTEDITLAYOUT_CombText) &&
- m_nCharCount > 1) {
- int32_t nCount = m_nCharCount - 1;
- int32_t n = (m_pEditEngine->m_nLimit - nCount) / 2;
- fDelta = (m_rtPageContents.width / nCount) * n;
- } else {
- fDelta = (pParams->fPlateWidth - m_rtPageContents.width) / 2;
- }
- }
- }
- FX_FLOAT fOffset = m_rtPageContents.left - fDelta;
- int32_t nCount = m_PieceMassArr.GetSize();
- for (int32_t i = 0; i < nCount; i++) {
- FDE_LPTEXTEDITPIECE pPiece = m_PieceMassArr.GetPtrAt(i);
- pPiece->rtPiece.Offset(-fOffset, 0.0f);
- }
- m_rtPageContents.Offset(-fOffset, 0.0f);
- }
- if (m_pEditEngine->GetEditParams()->dwLayoutStyles &
- FDE_TEXTEDITLAYOUT_LastLineHeight) {
- m_rtPageContents.height -= pParams->fLineSpace - pParams->fFontSize;
- int32_t nCount = m_PieceMassArr.GetSize();
- FDE_LPTEXTEDITPIECE pPiece = m_PieceMassArr.GetPtrAt(nCount - 1);
- pPiece->rtPiece.height = pParams->fFontSize;
- }
- pIter->Release();
- m_nRefCount = 1;
- m_bLoaded = TRUE;
- return 0;
-}
-void CFDE_TxtEdtPage::UnloadPage(FX_LPCRECTF pClipBox) {
- FXSYS_assert(m_nRefCount > 0);
- m_nRefCount--;
- if (m_nRefCount == 0) {
- m_PieceMassArr.RemoveAll();
- if (m_pTextSet) {
- delete m_pTextSet;
- m_pTextSet = NULL;
- }
- if (m_pCharWidth) {
- delete[] m_pCharWidth;
- m_pCharWidth = NULL;
- }
- if (m_pBgnParag) {
- m_pBgnParag->UnloadParag();
- }
- if (m_pEndParag) {
- m_pEndParag->UnloadParag();
- }
- if (m_pIter) {
- m_pIter->Release();
- m_pIter = NULL;
- }
- m_pBgnParag = NULL;
- m_pEndParag = NULL;
- }
-}
-
-const CFX_RectF& CFDE_TxtEdtPage::GetContentsBox() {
- return m_rtPageContents;
-}
-FX_POSITION CFDE_TxtEdtPage::GetFirstPosition(FDE_HVISUALOBJ hCanvas) {
- if (m_PieceMassArr.GetSize() < 1) {
- return NULL;
- }
- return (FX_POSITION)1;
-}
-FDE_HVISUALOBJ CFDE_TxtEdtPage::GetNext(FDE_HVISUALOBJ hCanvas,
- FX_POSITION& pos,
- IFDE_VisualSet*& pVisualSet) {
- if (m_pTextSet == NULL) {
- pos = NULL;
- return NULL;
- }
- int32_t nPos = (int32_t)(uintptr_t)pos;
- pVisualSet = m_pTextSet;
- if (nPos + 1 > m_PieceMassArr.GetSize()) {
- pos = NULL;
- } else {
- pos = (FX_POSITION)(uintptr_t)(nPos + 1);
- }
- return (FDE_HVISUALOBJ)(m_PieceMassArr.GetPtrAt(nPos - 1));
-}
-FDE_HVISUALOBJ CFDE_TxtEdtPage::GetParentCanvas(FDE_HVISUALOBJ hCanvas,
- IFDE_VisualSet*& pVisualSet) {
- return NULL;
-}
-FX_WCHAR CFDE_TxtEdtPage::GetChar(void* pIdentity, int32_t index) const {
- int32_t nIndex =
- m_nPageStart + ((FDE_LPTEXTEDITPIECE)pIdentity)->nStart + index;
- if (nIndex != m_pIter->GetAt()) {
- m_pIter->SetAt(nIndex);
- }
- FX_WCHAR wChar = m_pIter->GetChar();
- m_pIter->Next();
- return wChar;
-}
-int32_t CFDE_TxtEdtPage::GetWidth(void* pIdentity, int32_t index) const {
- int32_t nWidth =
- m_pCharWidth[((FDE_LPTEXTEDITPIECE)pIdentity)->nStart + index];
- return nWidth;
-}
-void CFDE_TxtEdtPage::NormalizePt2Rect(CFX_PointF& ptF,
- const CFX_RectF& rtF,
- FX_FLOAT fTolerance) const {
- if (rtF.Contains(ptF.x, ptF.y)) {
- return;
- }
- if (ptF.x < rtF.left) {
- ptF.x = rtF.left;
- } else if (ptF.x >= rtF.right()) {
- ptF.x = rtF.right() - fTolerance;
- }
- if (ptF.y < rtF.top) {
- ptF.y = rtF.top;
- } else if (ptF.y >= rtF.bottom()) {
- ptF.y = rtF.bottom() - fTolerance;
- }
-}
+// Copyright 2014 PDFium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
+
+#include <algorithm>
+
+#include "xfa/src/foxitlib.h"
+#include "xfa/src/fee/include/ifde_txtedtbuf.h"
+#include "xfa/src/fee/include/ifde_txtedtengine.h"
+#include "xfa/src/fee/include/ifde_txtedtpage.h"
+#include "xfa/src/fee/include/fx_wordbreak.h"
+#include "fde_txtedtpage.h"
+#include "fde_txtedtengine.h"
+#include "fde_txtedtparag.h"
+#include "fde_txtedtbuf.h"
+#define FDE_TXTEDT_TOLERANCE 0.1f
+IFDE_TxtEdtPage* IFDE_TxtEdtPage::Create(IFDE_TxtEdtEngine* pEngine,
+ int32_t nIndex) {
+ return (IFDE_TxtEdtPage*)new CFDE_TxtEdtPage(pEngine, nIndex);
+}
+CFDE_TxtEdtTextSet::CFDE_TxtEdtTextSet(CFDE_TxtEdtPage* pPage)
+ : m_pPage(pPage) {}
+CFDE_TxtEdtTextSet::~CFDE_TxtEdtTextSet() {}
+FDE_VISUALOBJTYPE CFDE_TxtEdtTextSet::GetType() {
+ return FDE_VISUALOBJ_Text;
+}
+FX_BOOL CFDE_TxtEdtTextSet::GetBBox(FDE_HVISUALOBJ hVisualObj,
+ CFX_RectF& bbox) {
+ return FALSE;
+}
+FX_BOOL CFDE_TxtEdtTextSet::GetMatrix(FDE_HVISUALOBJ hVisualObj,
+ CFX_Matrix& matrix) {
+ return FALSE;
+}
+FX_BOOL CFDE_TxtEdtTextSet::GetRect(FDE_HVISUALOBJ hVisualObj, CFX_RectF& rt) {
+ rt = ((FDE_LPTEXTEDITPIECE)(hVisualObj))->rtPiece;
+ return TRUE;
+}
+FX_BOOL CFDE_TxtEdtTextSet::GetClip(FDE_HVISUALOBJ hVisualObj, CFX_RectF& rt) {
+ return FALSE;
+}
+int32_t CFDE_TxtEdtTextSet::GetString(FDE_HVISUALOBJ hText,
+ CFX_WideString& wsText) {
+ FDE_LPTEXTEDITPIECE pPiece = (FDE_LPTEXTEDITPIECE)hText;
+ FX_WCHAR* pBuffer = wsText.GetBuffer(pPiece->nCount);
+ for (int32_t i = 0; i < pPiece->nCount; i++) {
+ pBuffer[i] = m_pPage->GetChar((void*)hText, i);
+ }
+ wsText.ReleaseBuffer(pPiece->nCount);
+ return pPiece->nCount;
+}
+IFX_Font* CFDE_TxtEdtTextSet::GetFont(FDE_HVISUALOBJ hText) {
+ return m_pPage->GetEngine()->GetEditParams()->pFont;
+}
+FX_FLOAT CFDE_TxtEdtTextSet::GetFontSize(FDE_HVISUALOBJ hText) {
+ return m_pPage->GetEngine()->GetEditParams()->fFontSize;
+}
+FX_ARGB CFDE_TxtEdtTextSet::GetFontColor(FDE_HVISUALOBJ hText) {
+ return m_pPage->GetEngine()->GetEditParams()->dwFontColor;
+}
+int32_t CFDE_TxtEdtTextSet::GetDisplayPos(FDE_HVISUALOBJ hText,
+ FXTEXT_CHARPOS* pCharPos,
+ FX_BOOL bCharCode,
+ CFX_WideString* pWSForms) {
+ if (hText == NULL) {
+ return 0;
+ }
+ FDE_LPTEXTEDITPIECE pPiece = (FDE_LPTEXTEDITPIECE)hText;
+ int32_t nLength = pPiece->nCount;
+ if (nLength < 1) {
+ return 0;
+ }
+ CFDE_TxtEdtEngine* pEngine = (CFDE_TxtEdtEngine*)(m_pPage->GetEngine());
+ const FDE_TXTEDTPARAMS* pTextParams = pEngine->GetEditParams();
+ IFX_TxtBreak* pBreak = pEngine->GetTextBreak();
+ FX_DWORD dwLayoutStyle = pBreak->GetLayoutStyles();
+ FX_TXTRUN tr;
+ tr.pAccess = m_pPage;
+ tr.pIdentity = (void*)hText;
+ tr.pStr = NULL;
+ tr.pWidths = NULL;
+ tr.iLength = nLength;
+ tr.pFont = pTextParams->pFont;
+ tr.fFontSize = pTextParams->fFontSize;
+ tr.dwStyles = dwLayoutStyle;
+ tr.iCharRotation = pTextParams->nCharRotation;
+ tr.dwCharStyles = pPiece->dwCharStyles;
+ tr.pRect = &(pPiece->rtPiece);
+ tr.wLineBreakChar = pTextParams->wLineBreakChar;
+ return pBreak->GetDisplayPos(&tr, pCharPos, bCharCode, pWSForms);
+}
+int32_t CFDE_TxtEdtTextSet::GetCharRects(FDE_HVISUALOBJ hText,
+ CFX_RectFArray& rtArray) {
+ return GetCharRects_Impl(hText, rtArray);
+}
+int32_t CFDE_TxtEdtTextSet::GetCharRects_Impl(FDE_HVISUALOBJ hText,
+ CFX_RectFArray& rtArray,
+ FX_BOOL bBBox) {
+ if (hText == NULL) {
+ return 0;
+ }
+ FDE_LPTEXTEDITPIECE pPiece = (FDE_LPTEXTEDITPIECE)hText;
+ CFDE_TxtEdtEngine* pEngine = (CFDE_TxtEdtEngine*)(m_pPage->GetEngine());
+ int32_t nLength = pPiece->nCount;
+ if (nLength < 1) {
+ return 0;
+ }
+ const FDE_TXTEDTPARAMS* pTextParams = pEngine->GetEditParams();
+ FX_DWORD dwLayoutStyle = pEngine->GetTextBreak()->GetLayoutStyles();
+ FX_TXTRUN tr;
+ tr.pAccess = m_pPage;
+ tr.pIdentity = (void*)hText;
+ tr.pStr = NULL;
+ tr.pWidths = NULL;
+ tr.iLength = nLength;
+ tr.pFont = pTextParams->pFont;
+ tr.fFontSize = pTextParams->fFontSize;
+ tr.dwStyles = dwLayoutStyle;
+ tr.iCharRotation = pTextParams->nCharRotation;
+ tr.dwCharStyles = pPiece->dwCharStyles;
+ tr.pRect = &(pPiece->rtPiece);
+ tr.wLineBreakChar = pTextParams->wLineBreakChar;
+ return pEngine->GetTextBreak()->GetCharRects(&tr, rtArray, bBBox);
+}
+CFDE_TxtEdtPage::CFDE_TxtEdtPage(IFDE_TxtEdtEngine* pEngine, int32_t nPageIndex)
+ : m_pIter(nullptr),
+ m_pTextSet(nullptr),
+ m_pBgnParag(nullptr),
+ m_pEndParag(nullptr),
+ m_nRefCount(0),
+ m_nPageStart(-1),
+ m_nCharCount(0),
+ m_nPageIndex(nPageIndex),
+ m_bLoaded(FALSE),
+ m_pCharWidth(nullptr) {
+ FXSYS_memset(&m_rtPage, 0, sizeof(CFX_RectF));
+ FXSYS_memset(&m_rtPageMargin, 0, sizeof(CFX_RectF));
+ FXSYS_memset(&m_rtPageContents, 0, sizeof(CFX_RectF));
+ FXSYS_memset(&m_rtPageCanvas, 0, sizeof(CFX_RectF));
+ m_pEditEngine = (CFDE_TxtEdtEngine*)pEngine;
+}
+CFDE_TxtEdtPage::~CFDE_TxtEdtPage() {
+ m_PieceMassArr.RemoveAll(TRUE);
+ if (m_pTextSet) {
+ delete m_pTextSet;
+ m_pTextSet = NULL;
+ }
+ if (m_pCharWidth) {
+ delete[] m_pCharWidth;
+ m_pCharWidth = NULL;
+ }
+ if (m_pIter != NULL) {
+ m_pIter->Release();
+ m_pIter = NULL;
+ }
+}
+void CFDE_TxtEdtPage::Release() {
+ delete this;
+}
+IFDE_TxtEdtEngine* CFDE_TxtEdtPage::GetEngine() const {
+ return (IFDE_TxtEdtEngine*)m_pEditEngine;
+}
+FDE_VISUALOBJTYPE CFDE_TxtEdtPage::GetType() {
+ return FDE_VISUALOBJ_Text;
+}
+FX_BOOL CFDE_TxtEdtPage::GetBBox(FDE_HVISUALOBJ hVisualObj, CFX_RectF& bbox) {
+ return FALSE;
+}
+FX_BOOL CFDE_TxtEdtPage::GetMatrix(FDE_HVISUALOBJ hVisualObj,
+ CFX_Matrix& matrix) {
+ return FALSE;
+}
+FX_BOOL CFDE_TxtEdtPage::GetRect(FDE_HVISUALOBJ hVisualObj, CFX_RectF& rt) {
+ return FALSE;
+}
+FX_BOOL CFDE_TxtEdtPage::GetClip(FDE_HVISUALOBJ hVisualObj, CFX_RectF& rt) {
+ return FALSE;
+}
+int32_t CFDE_TxtEdtPage::GetCharRect(int32_t nIndex,
+ CFX_RectF& rect,
+ FX_BOOL bBBox) const {
+ FXSYS_assert(m_nRefCount > 0);
+ FXSYS_assert(nIndex >= 0 && nIndex < m_nCharCount);
+ if (m_nRefCount < 1) {
+ return 0;
+ }
+ int32_t nCount = m_PieceMassArr.GetSize();
+ for (int32_t i = 0; i < nCount; i++) {
+ const FDE_LPTEXTEDITPIECE pPiece = m_PieceMassArr.GetPtrAt(i);
+ if (nIndex >= pPiece->nStart &&
+ nIndex < (pPiece->nStart + pPiece->nCount)) {
+ CFX_RectFArray rectArr;
+ if (bBBox) {
+ m_pTextSet->GetCharRects_Impl((FDE_HVISUALOBJ)pPiece, rectArr, bBBox);
+ } else {
+ m_pTextSet->GetCharRects((FDE_HVISUALOBJ)pPiece, rectArr);
+ }
+ rect = rectArr[nIndex - pPiece->nStart];
+ return pPiece->nBidiLevel;
+ }
+ }
+ FXSYS_assert(0);
+ return 0;
+}
+int32_t CFDE_TxtEdtPage::GetCharIndex(const CFX_PointF& fPoint,
+ FX_BOOL& bBefore) {
+ FX_BOOL bVertical = m_pEditEngine->GetEditParams()->dwLayoutStyles &
+ FDE_TEXTEDITLAYOUT_DocVertical;
+ CFX_PointF ptF = fPoint;
+ NormalizePt2Rect(ptF, m_rtPageContents, FDE_TXTEDT_TOLERANCE);
+ int32_t nCount = m_PieceMassArr.GetSize();
+ CFX_RectF rtLine;
+ int32_t nBgn = 0;
+ int32_t nEnd = 0;
+ FX_BOOL bInLine = FALSE;
+ int32_t i = 0;
+ for (i = 0; i < nCount; i++) {
+ const FDE_LPTEXTEDITPIECE pPiece = m_PieceMassArr.GetPtrAt(i);
+ if (!bInLine && (bVertical ? (pPiece->rtPiece.left <= ptF.x &&
+ pPiece->rtPiece.right() > ptF.x)
+ : (pPiece->rtPiece.top <= ptF.y &&
+ pPiece->rtPiece.bottom() > ptF.y))) {
+ nBgn = nEnd = i;
+ rtLine = pPiece->rtPiece;
+ bInLine = TRUE;
+ } else if (bInLine) {
+ if (bVertical ? (!(pPiece->rtPiece.left <= ptF.x &&
+ pPiece->rtPiece.right() > ptF.x))
+ : (pPiece->rtPiece.bottom() <= ptF.y ||
+ pPiece->rtPiece.top > ptF.y)) {
+ nEnd = i - 1;
+ break;
+ } else {
+ rtLine.Union(pPiece->rtPiece);
+ }
+ }
+ }
+ NormalizePt2Rect(ptF, rtLine, FDE_TXTEDT_TOLERANCE);
+ int32_t nCaret = 0;
+ FDE_LPTEXTEDITPIECE pPiece = NULL;
+ for (i = nBgn; i <= nEnd; i++) {
+ pPiece = m_PieceMassArr.GetPtrAt(i);
+ nCaret = m_nPageStart + pPiece->nStart;
+ if (pPiece->rtPiece.Contains(ptF)) {
+ CFX_RectFArray rectArr;
+ m_pTextSet->GetCharRects((FDE_HVISUALOBJ)pPiece, rectArr);
+ int32_t nRtCount = rectArr.GetSize();
+ for (int32_t j = 0; j < nRtCount; j++) {
+ if (rectArr[j].Contains(ptF)) {
+ nCaret = m_nPageStart + pPiece->nStart + j;
+ if (nCaret >= m_pEditEngine->GetTextBufLength()) {
+ bBefore = TRUE;
+ return m_pEditEngine->GetTextBufLength();
+ }
+ FX_WCHAR wChar = m_pEditEngine->GetTextBuf()->GetCharByIndex(nCaret);
+ if (wChar == L'\n' || wChar == L'\r') {
+ if (wChar == L'\n') {
+ if (m_pEditEngine->GetTextBuf()->GetCharByIndex(nCaret - 1) ==
+ L'\r') {
+ nCaret--;
+ }
+ }
+ bBefore = TRUE;
+ return nCaret;
+ }
+ if (bVertical
+ ? (ptF.y > ((rectArr[j].top + rectArr[j].bottom()) / 2))
+ : (ptF.x > ((rectArr[j].left + rectArr[j].right()) / 2))) {
+ bBefore = FX_IsOdd(pPiece->nBidiLevel);
+ } else {
+ bBefore = !FX_IsOdd(pPiece->nBidiLevel);
+ }
+ return nCaret;
+ }
+ }
+ }
+ }
+ bBefore = TRUE;
+ return nCaret;
+}
+int32_t CFDE_TxtEdtPage::GetCharStart() const {
+ return m_nPageStart;
+}
+int32_t CFDE_TxtEdtPage::GetCharCount() const {
+ return m_nCharCount;
+}
+int32_t CFDE_TxtEdtPage::GetDisplayPos(const CFX_RectF& rtClip,
+ FXTEXT_CHARPOS*& pCharPos,
+ FX_LPRECTF pBBox) const {
+ pCharPos = FX_Alloc(FXTEXT_CHARPOS, m_nCharCount);
+ int32_t nCharPosCount = 0;
+ FDE_HVISUALOBJ hVisualObj = NULL;
+ int32_t nVisualObjCount = m_PieceMassArr.GetSize();
+ FXTEXT_CHARPOS* pos = pCharPos;
+ CFX_RectF rtObj;
+ for (int32_t i = 0; i < nVisualObjCount; i++) {
+ hVisualObj = (FDE_HVISUALOBJ)m_PieceMassArr.GetPtrAt(i);
+ m_pTextSet->GetRect(hVisualObj, rtObj);
+ if (!rtClip.IntersectWith(rtObj)) {
+ continue;
+ }
+ int32_t nCount = m_pTextSet->GetDisplayPos(hVisualObj, pos, FALSE);
+ nCharPosCount += nCount;
+ pos += nCount;
+ }
+ if ((nCharPosCount * 5) < (m_nCharCount << 2)) {
+ FXTEXT_CHARPOS* pTemp = FX_Alloc(FXTEXT_CHARPOS, nCharPosCount);
+ FXSYS_memcpy(pTemp, pCharPos, sizeof(FXTEXT_CHARPOS) * nCharPosCount);
+ FX_Free(pCharPos);
+ pCharPos = pTemp;
+ }
+ return nCharPosCount;
+}
+void CFDE_TxtEdtPage::CalcRangeRectArray(int32_t nStart,
+ int32_t nCount,
+ CFX_RectFArray& RectFArr) const {
+ int32_t nPieceCount = m_PieceMassArr.GetSize();
+ int32_t nEnd = nStart + nCount - 1;
+ FX_BOOL bInRange = FALSE;
+ for (int32_t i = 0; i < nPieceCount; i++) {
+ FDE_LPTEXTEDITPIECE piece = m_PieceMassArr.GetPtrAt(i);
+ if (!bInRange) {
+ if (nStart >= piece->nStart && nStart < (piece->nStart + piece->nCount)) {
+ int32_t nRangeEnd = piece->nCount - 1;
+ FX_BOOL bEnd = FALSE;
+ if (nEnd >= piece->nStart && nEnd < (piece->nStart + piece->nCount)) {
+ nRangeEnd = nEnd - piece->nStart;
+ bEnd = TRUE;
+ }
+ CFX_RectFArray rcArr;
+ m_pTextSet->GetCharRects((FDE_HVISUALOBJ)piece, rcArr);
+ CFX_RectF rectPiece = rcArr[nStart - piece->nStart];
+ rectPiece.Union(rcArr[nRangeEnd]);
+ RectFArr.Add(rectPiece);
+ if (bEnd) {
+ return;
+ }
+ bInRange = TRUE;
+ }
+ } else {
+ if (nEnd >= piece->nStart && nEnd < (piece->nStart + piece->nCount)) {
+ CFX_RectFArray rcArr;
+ m_pTextSet->GetCharRects((FDE_HVISUALOBJ)piece, rcArr);
+ CFX_RectF rectPiece = rcArr[0];
+ rectPiece.Union(rcArr[nEnd - piece->nStart]);
+ RectFArr.Add(rectPiece);
+ return;
+ }
+ RectFArr.Add(piece->rtPiece);
+ }
+ }
+}
+
+int32_t CFDE_TxtEdtPage::SelectWord(const CFX_PointF& fPoint, int32_t& nCount) {
+ if (m_nRefCount < 0) {
+ return -1;
+ }
+ IFDE_TxtEdtBuf* pBuf = m_pEditEngine->GetTextBuf();
+ FX_BOOL bBefore;
+ int32_t nIndex = GetCharIndex(fPoint, bBefore);
+ if (nIndex == m_pEditEngine->GetTextBufLength()) {
+ nIndex = m_pEditEngine->GetTextBufLength() - 1;
+ }
+ if (nIndex < 0) {
+ return -1;
+ }
+ IFX_WordBreak* pIter = FX_WordBreak_Create();
+ pIter->Attach(new CFDE_TxtEdtBufIter((CFDE_TxtEdtBuf*)pBuf));
+ pIter->SetAt(nIndex);
+ nCount = pIter->GetWordLength();
+ int32_t nRet = pIter->GetWordPos();
+ pIter->Release();
+ return nRet;
+}
+FX_BOOL CFDE_TxtEdtPage::IsLoaded(FX_LPCRECTF pClipBox) {
+ return m_bLoaded;
+}
+int32_t CFDE_TxtEdtPage::LoadPage(FX_LPCRECTF pClipBox, IFX_Pause* pPause) {
+ if (m_nRefCount > 0) {
+ m_nRefCount++;
+ return m_nRefCount;
+ }
+ IFDE_TxtEdtBuf* pBuf = m_pEditEngine->GetTextBuf();
+ const FDE_TXTEDTPARAMS* pParams = m_pEditEngine->GetEditParams();
+ if (m_pIter != NULL) {
+ m_pIter->Release();
+ }
+ FX_WCHAR wcAlias = 0;
+ if (pParams->dwMode & FDE_TEXTEDITMODE_Password) {
+ wcAlias = m_pEditEngine->GetAliasChar();
+ }
+ m_pIter = new CFDE_TxtEdtBufIter((CFDE_TxtEdtBuf*)pBuf, wcAlias);
+ IFX_TxtBreak* pBreak = m_pEditEngine->GetTextBreak();
+ pBreak->EndBreak(FX_TXTBREAK_ParagraphBreak);
+ pBreak->ClearBreakPieces();
+ int32_t nPageLineCount = m_pEditEngine->GetPageLineCount();
+ int32_t nStartLine = nPageLineCount * m_nPageIndex;
+ int32_t nEndLine = std::min((nStartLine + nPageLineCount - 1),
+ (m_pEditEngine->GetLineCount() - 1));
+ int32_t nPageStart, nPageEnd, nTemp, nBgnParag, nStartLineInParag, nEndParag,
+ nEndLineInParag;
+ nBgnParag = m_pEditEngine->Line2Parag(0, 0, nStartLine, nStartLineInParag);
+ m_pBgnParag = (CFDE_TxtEdtParag*)m_pEditEngine->GetParag(nBgnParag);
+ m_pBgnParag->LoadParag();
+ m_pBgnParag->GetLineRange(nStartLine - nStartLineInParag, nPageStart, nTemp);
+ nEndParag = m_pEditEngine->Line2Parag(nBgnParag, nStartLineInParag, nEndLine,
+ nEndLineInParag);
+ m_pEndParag = (CFDE_TxtEdtParag*)m_pEditEngine->GetParag(nEndParag);
+ m_pEndParag->LoadParag();
+ m_pEndParag->GetLineRange(nEndLine - nEndLineInParag, nPageEnd, nTemp);
+ nPageEnd += (nTemp - 1);
+ FX_BOOL bVertial = pParams->dwLayoutStyles & FDE_TEXTEDITLAYOUT_DocVertical;
+ FX_BOOL bLineReserve =
+ pParams->dwLayoutStyles & FDE_TEXTEDITLAYOUT_LineReserve;
+ FX_FLOAT fLineStart =
+ bVertial
+ ? (bLineReserve ? (pParams->fPlateWidth - pParams->fLineSpace) : 0.0f)
+ : 0.0f;
+ FX_FLOAT fLineStep =
+ (bVertial && bLineReserve) ? (-pParams->fLineSpace) : pParams->fLineSpace;
+ FX_FLOAT fLinePos = fLineStart;
+ if (m_pTextSet == NULL) {
+ m_pTextSet = new CFDE_TxtEdtTextSet(this);
+ }
+ m_PieceMassArr.RemoveAll(TRUE);
+ FX_DWORD dwBreakStatus = FX_TXTBREAK_None;
+ int32_t nPieceStart = 0;
+ if (m_pCharWidth != NULL) {
+ delete[] m_pCharWidth;
+ }
+ m_pCharWidth = new int32_t[nPageEnd - nPageStart + 1];
+ pBreak->EndBreak(FX_TXTBREAK_ParagraphBreak);
+ pBreak->ClearBreakPieces();
+ m_nPageStart = nPageStart;
+ m_nCharCount = nPageEnd - nPageStart + 1;
+ FX_BOOL bReload = FALSE;
+ FX_FLOAT fDefCharWidth = 0;
+ IFX_CharIter* pIter = m_pIter->Clone();
+ pIter->SetAt(nPageStart);
+ m_pIter->SetAt(nPageStart);
+ FX_BOOL bFirstPiece = TRUE;
+ do {
+ if (bReload) {
+ dwBreakStatus = pBreak->EndBreak(FX_TXTBREAK_ParagraphBreak);
+ } else {
+ FX_WCHAR wAppend = pIter->GetChar();
+ dwBreakStatus = pBreak->AppendChar(wAppend);
+ }
+ if (pIter->GetAt() == nPageEnd && dwBreakStatus < FX_TXTBREAK_LineBreak) {
+ dwBreakStatus = pBreak->EndBreak(FX_TXTBREAK_ParagraphBreak);
+ }
+ if (dwBreakStatus > FX_TXTBREAK_PieceBreak) {
+ int32_t nPieceCount = pBreak->CountBreakPieces();
+ for (int32_t j = 0; j < nPieceCount; j++) {
+ const CFX_TxtPiece* pPiece = pBreak->GetBreakPiece(j);
+ FDE_TEXTEDITPIECE TxtEdtPiece;
+ FXSYS_memset(&TxtEdtPiece, 0, sizeof(FDE_TEXTEDITPIECE));
+ TxtEdtPiece.nBidiLevel = pPiece->m_iBidiLevel;
+ TxtEdtPiece.nCount = pPiece->GetLength();
+ TxtEdtPiece.nStart = nPieceStart;
+ TxtEdtPiece.dwCharStyles = pPiece->m_dwCharStyles;
+ if (FX_IsOdd(pPiece->m_iBidiLevel)) {
+ TxtEdtPiece.dwCharStyles |= FX_TXTCHARSTYLE_OddBidiLevel;
+ }
+ FX_FLOAT fParaBreakWidth = 0.0f;
+ if (pPiece->m_dwStatus > FX_TXTBREAK_PieceBreak) {
+ FX_WCHAR wRtChar = pParams->wLineBreakChar;
+ if (TxtEdtPiece.nCount >= 2) {
+ FX_WCHAR wChar = pBuf->GetCharByIndex(
+ m_nPageStart + TxtEdtPiece.nStart + TxtEdtPiece.nCount - 1);
+ FX_WCHAR wCharPre = pBuf->GetCharByIndex(
+ m_nPageStart + TxtEdtPiece.nStart + TxtEdtPiece.nCount - 2);
+ if (wChar == wRtChar) {
+ fParaBreakWidth += fDefCharWidth;
+ }
+ if (wCharPre == wRtChar) {
+ fParaBreakWidth += fDefCharWidth;
+ }
+ } else if (TxtEdtPiece.nCount >= 1) {
+ FX_WCHAR wChar = pBuf->GetCharByIndex(
+ m_nPageStart + TxtEdtPiece.nStart + TxtEdtPiece.nCount - 1);
+ if (wChar == wRtChar) {
+ fParaBreakWidth += fDefCharWidth;
+ }
+ }
+ }
+ if (pParams->dwLayoutStyles & FDE_TEXTEDITLAYOUT_DocVertical) {
+ TxtEdtPiece.rtPiece.left = fLinePos;
+ TxtEdtPiece.rtPiece.top = (FX_FLOAT)pPiece->m_iStartPos / 20000.0f;
+ TxtEdtPiece.rtPiece.width = pParams->fLineSpace;
+ TxtEdtPiece.rtPiece.height =
+ (FX_FLOAT)pPiece->m_iWidth / 20000.0f + fParaBreakWidth;
+ } else {
+ TxtEdtPiece.rtPiece.left = (FX_FLOAT)pPiece->m_iStartPos / 20000.0f;
+ TxtEdtPiece.rtPiece.top = fLinePos;
+ TxtEdtPiece.rtPiece.width =
+ (FX_FLOAT)pPiece->m_iWidth / 20000.0f + fParaBreakWidth;
+ TxtEdtPiece.rtPiece.height = pParams->fLineSpace;
+ }
+ if (bFirstPiece) {
+ m_rtPageContents = TxtEdtPiece.rtPiece;
+ bFirstPiece = FALSE;
+ } else {
+ m_rtPageContents.Union(TxtEdtPiece.rtPiece);
+ }
+ nPieceStart += TxtEdtPiece.nCount;
+ m_PieceMassArr.Add(TxtEdtPiece);
+ for (int32_t k = 0; k < TxtEdtPiece.nCount; k++) {
+ CFX_Char* ptc = pPiece->GetCharPtr(k);
+ m_pCharWidth[TxtEdtPiece.nStart + k] = ptc->m_iCharWidth;
+ }
+ }
+ fLinePos += fLineStep;
+ pBreak->ClearBreakPieces();
+ }
+ if (pIter->GetAt() == nPageEnd && dwBreakStatus == FX_TXTBREAK_LineBreak) {
+ bReload = TRUE;
+ pIter->Next(TRUE);
+ }
+ } while (pIter->Next(FALSE) && (pIter->GetAt() <= nPageEnd));
+ if (m_rtPageContents.left != 0) {
+ FX_FLOAT fDelta = 0.0f;
+ if (m_rtPageContents.width < pParams->fPlateWidth) {
+ if (pParams->dwAlignment & FDE_TEXTEDITALIGN_Right) {
+ fDelta = pParams->fPlateWidth - m_rtPageContents.width;
+ } else if (pParams->dwAlignment & FDE_TEXTEDITALIGN_Center) {
+ if ((pParams->dwLayoutStyles & FDE_TEXTEDITLAYOUT_CombText) &&
+ m_nCharCount > 1) {
+ int32_t nCount = m_nCharCount - 1;
+ int32_t n = (m_pEditEngine->m_nLimit - nCount) / 2;
+ fDelta = (m_rtPageContents.width / nCount) * n;
+ } else {
+ fDelta = (pParams->fPlateWidth - m_rtPageContents.width) / 2;
+ }
+ }
+ }
+ FX_FLOAT fOffset = m_rtPageContents.left - fDelta;
+ int32_t nCount = m_PieceMassArr.GetSize();
+ for (int32_t i = 0; i < nCount; i++) {
+ FDE_LPTEXTEDITPIECE pPiece = m_PieceMassArr.GetPtrAt(i);
+ pPiece->rtPiece.Offset(-fOffset, 0.0f);
+ }
+ m_rtPageContents.Offset(-fOffset, 0.0f);
+ }
+ if (m_pEditEngine->GetEditParams()->dwLayoutStyles &
+ FDE_TEXTEDITLAYOUT_LastLineHeight) {
+ m_rtPageContents.height -= pParams->fLineSpace - pParams->fFontSize;
+ int32_t nCount = m_PieceMassArr.GetSize();
+ FDE_LPTEXTEDITPIECE pPiece = m_PieceMassArr.GetPtrAt(nCount - 1);
+ pPiece->rtPiece.height = pParams->fFontSize;
+ }
+ pIter->Release();
+ m_nRefCount = 1;
+ m_bLoaded = TRUE;
+ return 0;
+}
+void CFDE_TxtEdtPage::UnloadPage(FX_LPCRECTF pClipBox) {
+ FXSYS_assert(m_nRefCount > 0);
+ m_nRefCount--;
+ if (m_nRefCount == 0) {
+ m_PieceMassArr.RemoveAll();
+ if (m_pTextSet) {
+ delete m_pTextSet;
+ m_pTextSet = NULL;
+ }
+ if (m_pCharWidth) {
+ delete[] m_pCharWidth;
+ m_pCharWidth = NULL;
+ }
+ if (m_pBgnParag) {
+ m_pBgnParag->UnloadParag();
+ }
+ if (m_pEndParag) {
+ m_pEndParag->UnloadParag();
+ }
+ if (m_pIter) {
+ m_pIter->Release();
+ m_pIter = NULL;
+ }
+ m_pBgnParag = NULL;
+ m_pEndParag = NULL;
+ }
+}
+
+const CFX_RectF& CFDE_TxtEdtPage::GetContentsBox() {
+ return m_rtPageContents;
+}
+FX_POSITION CFDE_TxtEdtPage::GetFirstPosition(FDE_HVISUALOBJ hCanvas) {
+ if (m_PieceMassArr.GetSize() < 1) {
+ return NULL;
+ }
+ return (FX_POSITION)1;
+}
+FDE_HVISUALOBJ CFDE_TxtEdtPage::GetNext(FDE_HVISUALOBJ hCanvas,
+ FX_POSITION& pos,
+ IFDE_VisualSet*& pVisualSet) {
+ if (m_pTextSet == NULL) {
+ pos = NULL;
+ return NULL;
+ }
+ int32_t nPos = (int32_t)(uintptr_t)pos;
+ pVisualSet = m_pTextSet;
+ if (nPos + 1 > m_PieceMassArr.GetSize()) {
+ pos = NULL;
+ } else {
+ pos = (FX_POSITION)(uintptr_t)(nPos + 1);
+ }
+ return (FDE_HVISUALOBJ)(m_PieceMassArr.GetPtrAt(nPos - 1));
+}
+FDE_HVISUALOBJ CFDE_TxtEdtPage::GetParentCanvas(FDE_HVISUALOBJ hCanvas,
+ IFDE_VisualSet*& pVisualSet) {
+ return NULL;
+}
+FX_WCHAR CFDE_TxtEdtPage::GetChar(void* pIdentity, int32_t index) const {
+ int32_t nIndex =
+ m_nPageStart + ((FDE_LPTEXTEDITPIECE)pIdentity)->nStart + index;
+ if (nIndex != m_pIter->GetAt()) {
+ m_pIter->SetAt(nIndex);
+ }
+ FX_WCHAR wChar = m_pIter->GetChar();
+ m_pIter->Next();
+ return wChar;
+}
+int32_t CFDE_TxtEdtPage::GetWidth(void* pIdentity, int32_t index) const {
+ int32_t nWidth =
+ m_pCharWidth[((FDE_LPTEXTEDITPIECE)pIdentity)->nStart + index];
+ return nWidth;
+}
+void CFDE_TxtEdtPage::NormalizePt2Rect(CFX_PointF& ptF,
+ const CFX_RectF& rtF,
+ FX_FLOAT fTolerance) const {
+ if (rtF.Contains(ptF.x, ptF.y)) {
+ return;
+ }
+ if (ptF.x < rtF.left) {
+ ptF.x = rtF.left;
+ } else if (ptF.x >= rtF.right()) {
+ ptF.x = rtF.right() - fTolerance;
+ }
+ if (ptF.y < rtF.top) {
+ ptF.y = rtF.top;
+ } else if (ptF.y >= rtF.bottom()) {
+ ptF.y = rtF.bottom() - fTolerance;
+ }
+}
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