diff options
Diffstat (limited to 'core/src/fpdftext/fpdf_text_int.cpp')
-rw-r--r-- | core/src/fpdftext/fpdf_text_int.cpp | 5608 |
1 files changed, 2804 insertions, 2804 deletions
diff --git a/core/src/fpdftext/fpdf_text_int.cpp b/core/src/fpdftext/fpdf_text_int.cpp index 36b0442ffc..0e0d52ec1a 100644 --- a/core/src/fpdftext/fpdf_text_int.cpp +++ b/core/src/fpdftext/fpdf_text_int.cpp @@ -1,2804 +1,2804 @@ -// 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 "../../include/fpdfapi/fpdf_resource.h"
-#include "../../include/fpdfapi/fpdf_pageobj.h"
-#include "../../include/fpdftext/fpdf_text.h"
-#include "../../include/fpdfapi/fpdf_page.h"
-#include "../../include/fpdfapi/fpdf_module.h"
-#include <ctype.h>
-#include "text_int.h"
-FX_BOOL _IsIgnoreSpaceCharacter(FX_WCHAR curChar)
-{
- if(curChar < 255 ) {
- return FALSE;
- }
- if ( (curChar >= 0x0600 && curChar <= 0x06FF)
- || (curChar >= 0xFE70 && curChar <= 0xFEFF)
- || (curChar >= 0xFB50 && curChar <= 0xFDFF)
- || (curChar >= 0x0400 && curChar <= 0x04FF)
- || (curChar >= 0x0500 && curChar <= 0x052F)
- || (curChar >= 0xA640 && curChar <= 0xA69F)
- || (curChar >= 0x2DE0 && curChar <= 0x2DFF)
- || curChar == 8467
- || (curChar >= 0x2000 && curChar <= 0x206F)) {
- return FALSE;
- }
- return TRUE;
-}
-CPDFText_ParseOptions::CPDFText_ParseOptions()
- : m_bGetCharCodeOnly(FALSE), m_bNormalizeObjs(TRUE), m_bOutputHyphen(FALSE)
-{
-}
-IPDF_TextPage* IPDF_TextPage::CreateTextPage(const CPDF_Page* pPage, CPDFText_ParseOptions ParserOptions)
-{
- CPDF_TextPage* pTextPageEx = FX_NEW CPDF_TextPage(pPage, ParserOptions);
- return pTextPageEx;
-}
-IPDF_TextPage* IPDF_TextPage::CreateTextPage(const CPDF_Page* pPage, int flags)
-{
- CPDF_TextPage* pTextPage = FX_NEW CPDF_TextPage(pPage, flags);
- return pTextPage;
-}
-IPDF_TextPage* IPDF_TextPage::CreateTextPage(const CPDF_PageObjects* pObjs, int flags)
-{
- CPDF_TextPage* pTextPage = FX_NEW CPDF_TextPage(pObjs, flags);
- return pTextPage;
-}
-IPDF_TextPageFind* IPDF_TextPageFind::CreatePageFind(const IPDF_TextPage* pTextPage)
-{
- if (!pTextPage) {
- return NULL;
- }
- return FX_NEW CPDF_TextPageFind(pTextPage);
-}
-IPDF_LinkExtract* IPDF_LinkExtract::CreateLinkExtract()
-{
- return FX_NEW CPDF_LinkExtract();
-}
-#define TEXT_BLANK_CHAR L' '
-#define TEXT_LINEFEED_CHAR L'\n'
-#define TEXT_RETURN_CHAR L'\r'
-#define TEXT_EMPTY L""
-#define TEXT_BLANK L" "
-#define TEXT_RETURN_LINEFEED L"\r\n"
-#define TEXT_LINEFEED L"\n"
-#define TEXT_CHARRATIO_GAPDELTA 0.070
-CPDF_TextPage::CPDF_TextPage(const CPDF_Page* pPage, int flags)
- : m_pPreTextObj(NULL),
- m_IsParsered(FALSE),
- m_charList(512),
- m_TempCharList(50),
- m_TextlineDir(-1),
- m_CurlineRect(0, 0, 0, 0)
-{
- m_pPage = pPage;
- m_parserflag = flags;
- m_TextBuf.EstimateSize(0, 10240);
- pPage->GetDisplayMatrix(m_DisplayMatrix, 0, 0, (int) pPage->GetPageWidth(), (int)pPage->GetPageHeight(), 0);
-}
-CPDF_TextPage::CPDF_TextPage(const CPDF_Page* pPage, CPDFText_ParseOptions ParserOptions)
- : m_pPreTextObj(NULL)
- , m_IsParsered(FALSE)
- , m_charList(512)
- , m_TempCharList(50)
- , m_TextlineDir(-1)
- , m_CurlineRect(0, 0, 0, 0)
- , m_ParseOptions(ParserOptions)
-{
- m_pPage = pPage;
- m_parserflag = 0;
- m_TextBuf.EstimateSize(0, 10240);
- pPage->GetDisplayMatrix(m_DisplayMatrix, 0, 0, (int) pPage->GetPageWidth(), (int)pPage->GetPageHeight(), 0);
-}
-CPDF_TextPage::CPDF_TextPage(const CPDF_PageObjects* pPage, int flags)
- : m_pPreTextObj(NULL),
- m_IsParsered(FALSE),
- m_charList(512),
- m_TempCharList(50),
- m_TextlineDir(-1),
- m_CurlineRect(0, 0, 0, 0)
-{
- m_pPage = pPage;
- m_parserflag = flags;
- m_TextBuf.EstimateSize(0, 10240);
- CFX_FloatRect pageRect = pPage->CalcBoundingBox();
- m_DisplayMatrix = CFX_AffineMatrix(1, 0, 0, -1, pageRect.right, pageRect.top);
-}
-void CPDF_TextPage::NormalizeObjects(FX_BOOL bNormalize)
-{
- m_ParseOptions.m_bNormalizeObjs = bNormalize;
-}
-FX_BOOL CPDF_TextPage::IsControlChar(PAGECHAR_INFO* pCharInfo)
-{
- if(!pCharInfo) {
- return FALSE;
- }
- switch(pCharInfo->m_Unicode) {
- case 0x2:
- case 0x3:
- case 0x93:
- case 0x94:
- case 0x96:
- case 0x97:
- case 0x98:
- case 0xfffe:
- if(pCharInfo->m_Flag == FPDFTEXT_CHAR_HYPHEN) {
- return FALSE;
- } else {
- return TRUE;
- }
- default:
- return FALSE;
- }
-}
-FX_BOOL CPDF_TextPage::ParseTextPage()
-{
- if (!m_pPage) {
- m_IsParsered = FALSE;
- return FALSE;
- }
- m_IsParsered = FALSE;
- m_TextBuf.Clear();
- m_charList.RemoveAll();
- m_pPreTextObj = NULL;
- ProcessObject();
- m_IsParsered = TRUE;
- if(!m_ParseOptions.m_bGetCharCodeOnly) {
- m_CharIndex.RemoveAll();
- int nCount = m_charList.GetSize();
- if(nCount) {
- m_CharIndex.Add(0);
- }
- for(int i = 0; i < nCount; i++) {
- int indexSize = m_CharIndex.GetSize();
- FX_BOOL bNormal = FALSE;
- PAGECHAR_INFO charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(i);
- if(charinfo.m_Flag == FPDFTEXT_CHAR_GENERATED) {
- bNormal = TRUE;
- }
-#ifdef FOXIT_CHROME_BUILD
- else if(charinfo.m_Unicode == 0 || IsControlChar(&charinfo))
-#else
- else if(charinfo.m_Unicode == 0)
-#endif
- bNormal = FALSE;
- else {
- bNormal = TRUE;
- }
- if(bNormal) {
- if(indexSize % 2) {
- m_CharIndex.Add(1);
- } else {
- if(indexSize <= 0) {
- continue;
- }
- m_CharIndex.SetAt(indexSize - 1, m_CharIndex.GetAt(indexSize - 1) + 1);
- }
- } else {
- if(indexSize % 2) {
- if(indexSize <= 0) {
- continue;
- }
- m_CharIndex.SetAt(indexSize - 1, i + 1);
- } else {
- m_CharIndex.Add(i + 1);
- }
- }
- }
- int indexSize = m_CharIndex.GetSize();
- if(indexSize % 2) {
- m_CharIndex.RemoveAt(indexSize - 1);
- }
- }
- return TRUE;
-}
-int CPDF_TextPage::CountChars() const
-{
- if(m_ParseOptions.m_bGetCharCodeOnly) {
- return m_TextBuf.GetSize();
- }
- return m_charList.GetSize();
-}
-int CPDF_TextPage::CharIndexFromTextIndex(int TextIndex) const
-{
- int indexSize = m_CharIndex.GetSize();
- int count = 0;
- for(int i = 0; i < indexSize; i += 2) {
- count += m_CharIndex.GetAt(i + 1);
- if(count > TextIndex) {
- return TextIndex - count + m_CharIndex.GetAt(i + 1) + m_CharIndex.GetAt(i);
- }
- }
- return -1;
-}
-int CPDF_TextPage::TextIndexFromCharIndex(int CharIndex) const
-{
- int indexSize = m_CharIndex.GetSize();
- int count = 0;
- for(int i = 0; i < indexSize; i += 2) {
- count += m_CharIndex.GetAt(i + 1);
- if(m_CharIndex.GetAt(i + 1) + m_CharIndex.GetAt(i) > CharIndex) {
- if(CharIndex - m_CharIndex.GetAt(i) < 0) {
- return -1;
- }
- return CharIndex - m_CharIndex.GetAt(i) + count - m_CharIndex.GetAt(i + 1);
- }
- }
- return -1;
-}
-void CPDF_TextPage::GetRectArray(int start, int nCount, CFX_RectArray& rectArray) const
-{
- if(m_ParseOptions.m_bGetCharCodeOnly) {
- return;
- }
- if(start < 0 || nCount == 0) {
- return;
- }
- if (!m_IsParsered) {
- return;
- }
- PAGECHAR_INFO info_curchar;
- CPDF_TextObject* pCurObj = NULL;
- CFX_FloatRect rect;
- int curPos = start;
- FX_BOOL flagNewRect = TRUE;
- if (nCount + start > m_charList.GetSize() || nCount == -1) {
- nCount = m_charList.GetSize() - start;
- }
- while (nCount--) {
- info_curchar = *(PAGECHAR_INFO*)m_charList.GetAt(curPos++);
- if (info_curchar.m_Flag == FPDFTEXT_CHAR_GENERATED) {
- continue;
- }
- if(info_curchar.m_CharBox.Width() < 0.01 || info_curchar.m_CharBox.Height() < 0.01) {
- continue;
- }
- if(!pCurObj) {
- pCurObj = info_curchar.m_pTextObj;
- }
- if (pCurObj != info_curchar.m_pTextObj) {
- rectArray.Add(rect);
- pCurObj = info_curchar.m_pTextObj;
- flagNewRect = TRUE;
- }
- if (flagNewRect) {
- FX_FLOAT orgX = info_curchar.m_OriginX, orgY = info_curchar.m_OriginY;
- CFX_AffineMatrix matrix, matrix_reverse;
- info_curchar.m_pTextObj->GetTextMatrix(&matrix);
- matrix.Concat(info_curchar.m_Matrix);
- matrix_reverse.SetReverse(matrix);
- matrix_reverse.Transform(orgX, orgY);
- rect.left = info_curchar.m_CharBox.left;
- rect.right = info_curchar.m_CharBox.right;
- if (pCurObj->GetFont()->GetTypeDescent()) {
- rect.bottom = orgY + pCurObj->GetFont()->GetTypeDescent() * pCurObj->GetFontSize() / 1000;
- FX_FLOAT xPosTemp = orgX;
- matrix.Transform(xPosTemp, rect.bottom);
- } else {
- rect.bottom = info_curchar.m_CharBox.bottom;
- }
- if (pCurObj->GetFont()->GetTypeAscent()) {
- rect.top = orgY + pCurObj->GetFont()->GetTypeAscent() * pCurObj->GetFontSize() / 1000;
- FX_FLOAT xPosTemp = orgX + GetCharWidth(info_curchar.m_CharCode, pCurObj->GetFont()) * pCurObj->GetFontSize() / 1000;
- matrix.Transform(xPosTemp, rect.top);
- } else {
- rect.top = info_curchar.m_CharBox.top;
- }
- flagNewRect = FALSE;
- rect = info_curchar.m_CharBox;
- rect.Normalize();
- } else {
- info_curchar.m_CharBox.Normalize();
- if (rect.left > info_curchar.m_CharBox.left) {
- rect.left = info_curchar.m_CharBox.left;
- }
- if (rect.right < info_curchar.m_CharBox.right) {
- rect.right = info_curchar.m_CharBox.right;
- }
- if ( rect.top < info_curchar.m_CharBox.top) {
- rect.top = info_curchar.m_CharBox.top;
- }
- if (rect.bottom > info_curchar.m_CharBox.bottom) {
- rect.bottom = info_curchar.m_CharBox.bottom;
- }
- }
- }
- rectArray.Add(rect);
- return;
-}
-int CPDF_TextPage::GetIndexAtPos(CPDF_Point point , FX_FLOAT xTorelance, FX_FLOAT yTorelance) const
-{
- if(m_ParseOptions.m_bGetCharCodeOnly) {
- return -3;
- }
- if (!m_IsParsered) {
- return -3;
- }
- FX_FLOAT distance = 0;
- int pos = 0;
- int NearPos = -1;
- double xdif = 5000, ydif = 5000;
- while(pos < m_charList.GetSize()) {
- PAGECHAR_INFO charinfo = *(PAGECHAR_INFO*)(m_charList.GetAt(pos));
- CFX_FloatRect charrect = charinfo.m_CharBox;
- if (charrect.Contains(point.x, point.y)) {
- break;
- }
- if (xTorelance > 0 || yTorelance > 0) {
- CFX_FloatRect charRectExt;
- charrect.Normalize();
- charRectExt.left = charrect.left - xTorelance / 2;
- charRectExt.right = charrect.right + xTorelance / 2;
- charRectExt.top = charrect.top + yTorelance / 2;
- charRectExt.bottom = charrect.bottom - yTorelance / 2;
- if (charRectExt.Contains(point.x, point.y)) {
- double curXdif, curYdif;
- curXdif = FXSYS_fabs(point.x - charrect.left) < FXSYS_fabs(point.x - charrect.right) ? FXSYS_fabs(point.x - charrect.left) : FXSYS_fabs(point.x - charrect.right);
- curYdif = FXSYS_fabs(point.y - charrect.bottom) < FXSYS_fabs(point.y - charrect.top ) ? FXSYS_fabs(point.y - charrect.bottom) : FXSYS_fabs(point.y - charrect.top);
- if (curYdif + curXdif < xdif + ydif) {
- ydif = curYdif;
- xdif = curXdif;
- NearPos = pos;
- }
- }
- }
- ++pos;
- }
- if (pos >= m_charList.GetSize()) {
- pos = NearPos;
- }
- return pos;
-}
-CFX_WideString CPDF_TextPage::GetTextByRect(CFX_FloatRect rect) const
-{
- CFX_WideString strText;
- if(m_ParseOptions.m_bGetCharCodeOnly || !m_IsParsered) {
- return strText;
- }
- int nCount = m_charList.GetSize();
- int pos = 0;
- FX_FLOAT posy = 0;
- FX_BOOL IsContainPreChar = FALSE;
- FX_BOOL ISAddLineFeed = FALSE;
- while (pos < nCount) {
- PAGECHAR_INFO charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(pos++);
- if (IsRectIntersect(rect, charinfo.m_CharBox)) {
- if (FXSYS_fabs(posy - charinfo.m_OriginY) > 0 && !IsContainPreChar && ISAddLineFeed) {
- posy = charinfo.m_OriginY;
- if (strText.GetLength() > 0) {
- strText += L"\r\n";
- }
- }
- IsContainPreChar = TRUE;
- ISAddLineFeed = FALSE;
- if (charinfo.m_Unicode) {
- strText += charinfo.m_Unicode;
- }
- } else if (charinfo.m_Unicode == 32) {
- if (IsContainPreChar && charinfo.m_Unicode) {
- strText += charinfo.m_Unicode;
- IsContainPreChar = FALSE;
- ISAddLineFeed = FALSE;
- }
- } else {
- IsContainPreChar = FALSE;
- ISAddLineFeed = TRUE;
- }
- }
- return strText;
-}
-void CPDF_TextPage::GetRectsArrayByRect(CFX_FloatRect rect, CFX_RectArray& resRectArray) const
-{
- if(m_ParseOptions.m_bGetCharCodeOnly) {
- return;
- }
- if (!m_IsParsered) {
- return;
- }
- CFX_FloatRect curRect;
- FX_BOOL flagNewRect = TRUE;
- CPDF_TextObject* pCurObj = NULL;
- int nCount = m_charList.GetSize();
- int pos = 0;
- while (pos < nCount) {
- PAGECHAR_INFO info_curchar = *(PAGECHAR_INFO*)m_charList.GetAt(pos++);
- if (info_curchar.m_Flag == FPDFTEXT_CHAR_GENERATED) {
- continue;
- }
- if(pos == 494) {
- int a = 0;
- }
- if (IsRectIntersect(rect, info_curchar.m_CharBox)) {
- if(!pCurObj) {
- pCurObj = info_curchar.m_pTextObj;
- }
- if (pCurObj != info_curchar.m_pTextObj) {
- resRectArray.Add(curRect);
- pCurObj = info_curchar.m_pTextObj;
- flagNewRect = TRUE;
- }
- if (flagNewRect) {
- curRect = info_curchar.m_CharBox;
- flagNewRect = FALSE;
- curRect.Normalize();
- } else {
- info_curchar.m_CharBox.Normalize();
- if (curRect.left > info_curchar.m_CharBox.left) {
- curRect.left = info_curchar.m_CharBox.left;
- }
- if (curRect.right < info_curchar.m_CharBox.right) {
- curRect.right = info_curchar.m_CharBox.right;
- }
- if ( curRect.top < info_curchar.m_CharBox.top) {
- curRect.top = info_curchar.m_CharBox.top;
- }
- if (curRect.bottom > info_curchar.m_CharBox.bottom) {
- curRect.bottom = info_curchar.m_CharBox.bottom;
- }
- }
- }
- }
- resRectArray.Add(curRect);
- return;
-}
-int CPDF_TextPage::GetIndexAtPos(FX_FLOAT x, FX_FLOAT y, FX_FLOAT xTorelance, FX_FLOAT yTorelance) const
-{
- if(m_ParseOptions.m_bGetCharCodeOnly) {
- return -3;
- }
- CPDF_Point point(x, y);
- return GetIndexAtPos(point, xTorelance, yTorelance);
-}
-int CPDF_TextPage::GetOrderByDirection(int order, int direction) const
-{
- if(m_ParseOptions.m_bGetCharCodeOnly) {
- return -3;
- }
- if (!m_IsParsered) {
- return -3;
- }
- if (direction == FPDFTEXT_RIGHT || direction == FPDFTEXT_LEFT) {
- order += direction;
- while(order >= 0 && order < m_charList.GetSize()) {
- PAGECHAR_INFO cinfo = *(PAGECHAR_INFO*)m_charList.GetAt(order);
- if (cinfo.m_Flag != FPDFTEXT_CHAR_GENERATED) {
- break;
- } else {
- if (cinfo.m_Unicode == TEXT_LINEFEED_CHAR || cinfo.m_Unicode == TEXT_RETURN_CHAR) {
- order += direction;
- } else {
- break;
- }
- }
- }
- if (order >= m_charList.GetSize()) {
- order = -2;
- }
- return order;
- }
- PAGECHAR_INFO charinfo;
- charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(order);
- CPDF_Point curPos(charinfo.m_OriginX, charinfo.m_OriginY);
- FX_FLOAT difPosY = 0.0, minXdif = 1000;
- int minIndex = -2;
- int index = order;
- FX_FLOAT height = charinfo.m_CharBox.Height();
- if (direction == FPDFTEXT_UP) {
- minIndex = -1;
- while (1) {
- if (--index < 0) {
- return -1;
- }
- charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(index);
- if (FXSYS_fabs(charinfo.m_OriginY - curPos.y) > FX_MAX(height, charinfo.m_CharBox.Height()) / 2) {
- difPosY = charinfo.m_OriginY;
- minIndex = index;
- break;
- }
- }
- FX_FLOAT PreXdif = charinfo.m_OriginX - curPos.x;
- minXdif = PreXdif;
- if (PreXdif == 0) {
- return index;
- }
- FX_FLOAT curXdif = 0;
- while (--index >= 0) {
- charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(index);
- if (difPosY != charinfo.m_OriginY) {
- break;
- }
- curXdif = charinfo.m_OriginX - curPos.x;
- if (curXdif == 0) {
- return index;
- }
- int signflag = 0;
- if (curXdif > 0) {
- signflag = 1;
- } else {
- signflag = -1;
- }
- if (signflag * PreXdif < 0) {
- if (FXSYS_fabs(PreXdif) < FXSYS_fabs(curXdif)) {
- return index + 1;
- } else {
- return index;
- }
- }
- if (FXSYS_fabs(curXdif) < FXSYS_fabs(minXdif)) {
- minIndex = index;
- minXdif = curXdif;
- }
- PreXdif = curXdif;
- if (difPosY != charinfo.m_OriginY) {
- break;
- }
- }
- return minIndex;
- } else if(FPDFTEXT_DOWN) {
- minIndex = -2;
- while (1) {
- if (++index > m_charList.GetSize() - 1) {
- return minIndex;
- }
- charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(index);
- if (FXSYS_fabs(charinfo.m_OriginY - curPos.y) > FX_MAX(height, charinfo.m_CharBox.Height()) / 2) {
- difPosY = charinfo.m_OriginY;
- minIndex = index;
- break;
- }
- }
- FX_FLOAT PreXdif = charinfo.m_OriginX - curPos.x;
- minXdif = PreXdif;
- if (PreXdif == 0) {
- return index;
- }
- FX_FLOAT curXdif = 0;
- while (++index < m_charList.GetSize()) {
- charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(index);
- if (difPosY != charinfo.m_OriginY) {
- break;
- }
- curXdif = charinfo.m_OriginX - curPos.x;
- if (curXdif == 0) {
- return index;
- }
- int signflag = 0;
- if (curXdif > 0) {
- signflag = 1;
- } else {
- signflag = -1;
- }
- if (signflag * PreXdif < 0) {
- if (FXSYS_fabs(PreXdif) < FXSYS_fabs(curXdif)) {
- return index - 1;
- } else {
- return index;
- }
- }
- if (FXSYS_fabs(curXdif) < FXSYS_fabs(minXdif)) {
- minXdif = curXdif;
- minIndex = index;
- }
- PreXdif = curXdif;
- }
- return minIndex;
- }
-}
-void CPDF_TextPage::GetCharInfo(int index, FPDF_CHAR_INFO & info) const
-{
- if(m_ParseOptions.m_bGetCharCodeOnly) {
- return;
- }
- if (!m_IsParsered) {
- return;
- }
- if (index < 0 || index >= m_charList.GetSize()) {
- return;
- }
- PAGECHAR_INFO charinfo;
- charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(index);
- info.m_Charcode = charinfo.m_CharCode;
- info.m_OriginX = charinfo.m_OriginX;
- info.m_OriginY = charinfo.m_OriginY;
- info.m_Unicode = charinfo.m_Unicode;
- info.m_Flag = charinfo.m_Flag;
- info.m_CharBox = charinfo.m_CharBox;
- info.m_pTextObj = charinfo.m_pTextObj;
- if (charinfo.m_pTextObj && charinfo.m_pTextObj->GetFont()) {
- info.m_FontSize = charinfo.m_pTextObj->GetFontSize();
- }
- info.m_Matrix.Copy(charinfo.m_Matrix);
- return;
-}
-void CPDF_TextPage::CheckMarkedContentObject(FX_INT32& start, FX_INT32& nCount) const
-{
- PAGECHAR_INFO charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(start);
- PAGECHAR_INFO charinfo2 = *(PAGECHAR_INFO*)m_charList.GetAt(start + nCount - 1);
- if (FPDFTEXT_CHAR_PIECE != charinfo.m_Flag && FPDFTEXT_CHAR_PIECE != charinfo2.m_Flag) {
- return;
- }
- if (FPDFTEXT_CHAR_PIECE == charinfo.m_Flag) {
- PAGECHAR_INFO charinfo1 = charinfo;
- int startIndex = start;
- while(FPDFTEXT_CHAR_PIECE == charinfo1.m_Flag && charinfo1.m_Index == charinfo.m_Index) {
- startIndex--;
- if (startIndex < 0) {
- break;
- }
- charinfo1 = *(PAGECHAR_INFO*)m_charList.GetAt(startIndex);
- }
- startIndex++;
- start = startIndex;
- }
- if (FPDFTEXT_CHAR_PIECE == charinfo2.m_Flag) {
- PAGECHAR_INFO charinfo3 = charinfo2;
- int endIndex = start + nCount - 1;
- while(FPDFTEXT_CHAR_PIECE == charinfo3.m_Flag && charinfo3.m_Index == charinfo2.m_Index) {
- endIndex++;
- if (endIndex >= m_charList.GetSize()) {
- break;
- }
- charinfo3 = *(PAGECHAR_INFO*)m_charList.GetAt(endIndex);
- }
- endIndex--;
- nCount = endIndex - start + 1;
- }
-}
-CFX_WideString CPDF_TextPage::GetPageText(int start , int nCount) const
-{
- if (!m_IsParsered || nCount == 0) {
- return L"";
- }
- if (start < 0) {
- start = 0;
- }
- if (nCount == -1) {
- nCount = m_charList.GetSize() - start;
- return m_TextBuf.GetWideString().Mid(start, m_TextBuf.GetWideString().GetLength());
- }
- if(nCount <= 0 || m_charList.GetSize() <= 0) {
- return L"";
- }
- if(nCount + start > m_charList.GetSize() - 1) {
- nCount = m_charList.GetSize() - start;
- }
- if (nCount <= 0) {
- return L"";
- }
- CheckMarkedContentObject(start, nCount);
- int startindex = 0;
- PAGECHAR_INFO charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(start);
- int startOffset = 0;
- while(charinfo.m_Index == -1) {
- startOffset++;
- if (startOffset > nCount || start + startOffset >= m_charList.GetSize()) {
- return L"";
- }
- charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(start + startOffset);
- }
- startindex = charinfo.m_Index;
- charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(start + nCount - 1);
- int nCountOffset = 0;
- while (charinfo.m_Index == -1) {
- nCountOffset++;
- if (nCountOffset >= nCount) {
- return L"";
- }
- charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(start + nCount - nCountOffset - 1);
- }
- nCount = start + nCount - nCountOffset - startindex;
- if(nCount <= 0) {
- return L"";
- }
- return m_TextBuf.GetWideString().Mid(startindex, nCount);
-}
-int CPDF_TextPage::CountRects(int start, int nCount)
-{
- if(m_ParseOptions.m_bGetCharCodeOnly) {
- return -1;
- }
- if (!m_IsParsered) {
- return -1;
- }
- if (start < 0) {
- return -1;
- }
- if (nCount == -1 || nCount + start > m_charList.GetSize() ) {
- nCount = m_charList.GetSize() - start;
- }
- m_SelRects.RemoveAll();
- GetRectArray(start, nCount, m_SelRects);
- return m_SelRects.GetSize();
-}
-void CPDF_TextPage::GetRect(int rectIndex, FX_FLOAT& left, FX_FLOAT& top, FX_FLOAT& right, FX_FLOAT &bottom) const
-{
- if(m_ParseOptions.m_bGetCharCodeOnly) {
- return ;
- }
- if (!m_IsParsered || rectIndex < 0 || rectIndex >= m_SelRects.GetSize()) {
- return;
- }
- left = m_SelRects.GetAt(rectIndex).left;
- top = m_SelRects.GetAt(rectIndex).top;
- right = m_SelRects.GetAt(rectIndex).right;
- bottom = m_SelRects.GetAt(rectIndex).bottom;
-}
-FX_BOOL CPDF_TextPage::GetBaselineRotate(int start, int end, int& Rotate)
-{
- if(m_ParseOptions.m_bGetCharCodeOnly) {
- return FALSE;
- }
- if(end == start) {
- return FALSE;
- }
- FX_FLOAT dx, dy;
- FPDF_CHAR_INFO info1, info2;
- GetCharInfo(start, info1);
- GetCharInfo(end, info2);
- while(info2.m_CharBox.Width() == 0 || info2.m_CharBox.Height() == 0) {
- end--;
- if(end <= start) {
- return FALSE;
- }
- GetCharInfo(end, info2);
- }
- dx = (info2.m_OriginX - info1.m_OriginX);
- dy = (info2.m_OriginY - info1.m_OriginY);
- if(dx == 0) {
- if(dy > 0) {
- Rotate = 90;
- } else if (dy < 0) {
- Rotate = 270;
- } else {
- Rotate = 0;
- }
- } else {
- float a = FXSYS_atan2(dy, dx);
- Rotate = (int)(a * 180 / FX_PI + 0.5);
- }
- if(Rotate < 0) {
- Rotate = -Rotate;
- } else if(Rotate > 0) {
- Rotate = 360 - Rotate;
- }
- return TRUE;
-}
-FX_BOOL CPDF_TextPage::GetBaselineRotate(CFX_FloatRect rect , int& Rotate)
-{
- if(m_ParseOptions.m_bGetCharCodeOnly) {
- return FALSE;
- }
- int start, end, count, n = CountBoundedSegments(rect.left, rect.top, rect.right, rect.bottom, TRUE);
- if(n < 1) {
- return FALSE;
- }
- if(n > 1) {
- GetBoundedSegment(n - 1, start, count);
- end = start + count - 1;
- GetBoundedSegment(0, start, count);
- } else {
- GetBoundedSegment(0, start, count);
- end = start + count - 1;
- }
- return GetBaselineRotate(start, end, Rotate);
-}
-FX_BOOL CPDF_TextPage::GetBaselineRotate(int rectIndex, int& Rotate)
-{
- if(m_ParseOptions.m_bGetCharCodeOnly) {
- return FALSE;
- }
- if (!m_IsParsered || rectIndex < 0 || rectIndex > m_SelRects.GetSize()) {
- return FALSE;
- }
- CFX_FloatRect rect = m_SelRects.GetAt(rectIndex);
- return GetBaselineRotate(rect , Rotate);
-}
-int CPDF_TextPage::CountBoundedSegments(FX_FLOAT left, FX_FLOAT top, FX_FLOAT right, FX_FLOAT bottom, FX_BOOL bContains )
-{
- if(m_ParseOptions.m_bGetCharCodeOnly) {
- return -1;
- }
- m_Segment.RemoveAll();
- if (!m_IsParsered) {
- return -1;
- }
- CFX_FloatRect rect(left, bottom, right, top);
- rect.Normalize();
- int nCount = m_charList.GetSize();
- int pos = 0;
- FPDF_SEGMENT segment;
- segment.m_Start = 0;
- segment.m_nCount = 0;
- FX_BOOL segmentStatus = 0;
- FX_BOOL IsContainPreChar = FALSE;
- while (pos < nCount) {
- if(pos == 493) {
- int a = 0;
- }
- PAGECHAR_INFO charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(pos);
- if(bContains && rect.Contains(charinfo.m_CharBox)) {
- if (segmentStatus == 0 || segmentStatus == 2) {
- segment.m_Start = pos;
- segment.m_nCount = 1;
- segmentStatus = 1;
- } else if (segmentStatus == 1) {
- segment.m_nCount++;
- }
- IsContainPreChar = TRUE;
- } else if (!bContains && (IsRectIntersect(rect, charinfo.m_CharBox) || rect.Contains(charinfo.m_OriginX, charinfo.m_OriginY))) {
- if (segmentStatus == 0 || segmentStatus == 2) {
- segment.m_Start = pos;
- segment.m_nCount = 1;
- segmentStatus = 1;
- } else if (segmentStatus == 1) {
- segment.m_nCount++;
- }
- IsContainPreChar = TRUE;
- } else if (charinfo.m_Unicode == 32) {
- if (IsContainPreChar == TRUE) {
- if (segmentStatus == 0 || segmentStatus == 2) {
- segment.m_Start = pos;
- segment.m_nCount = 1;
- segmentStatus = 1;
- } else if (segmentStatus == 1) {
- segment.m_nCount++;
- }
- IsContainPreChar = FALSE;
- } else {
- if (segmentStatus == 1) {
- segmentStatus = 2;
- m_Segment.Add(segment);
- segment.m_Start = 0;
- segment.m_nCount = 0;
- }
- }
- } else {
- if (segmentStatus == 1) {
- segmentStatus = 2;
- m_Segment.Add(segment);
- segment.m_Start = 0;
- segment.m_nCount = 0;
- }
- IsContainPreChar = FALSE;
- }
- pos++;
- }
- if (segmentStatus == 1) {
- segmentStatus = 2;
- m_Segment.Add(segment);
- segment.m_Start = 0;
- segment.m_nCount = 0;
- }
- return m_Segment.GetSize();
-}
-void CPDF_TextPage::GetBoundedSegment(int index, int& start, int& count) const
-{
- if(m_ParseOptions.m_bGetCharCodeOnly) {
- return ;
- }
- if (index < 0 || index >= m_Segment.GetSize()) {
- return;
- }
- start = m_Segment.GetAt(index).m_Start;
- count = m_Segment.GetAt(index).m_nCount;
-}
-int CPDF_TextPage::GetWordBreak(int index, int direction) const
-{
- if(m_ParseOptions.m_bGetCharCodeOnly) {
- return -1;
- }
- if (!m_IsParsered) {
- return -1;
- }
- if (direction != FPDFTEXT_LEFT && direction != FPDFTEXT_RIGHT) {
- return -1;
- }
- if (index < 0 || index >= m_charList.GetSize()) {
- return -1;
- }
- PAGECHAR_INFO charinfo;
- charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(index);
- if (charinfo.m_Index == -1 || charinfo.m_Flag == FPDFTEXT_CHAR_GENERATED) {
- return index;
- }
- if (!IsLetter(charinfo.m_Unicode)) {
- return index;
- }
- int breakPos = index;
- if (direction == FPDFTEXT_LEFT) {
- while (--breakPos > 0) {
- charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(breakPos);
- if (!IsLetter(charinfo.m_Unicode)) {
- return breakPos;
- }
- }
- return breakPos;
- } else if (direction == FPDFTEXT_RIGHT) {
- while (++breakPos < m_charList.GetSize()) {
- charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(breakPos);
- if (!IsLetter(charinfo.m_Unicode)) {
- return breakPos;
- }
- }
- return breakPos;
- }
- return breakPos;
-}
-FX_INT32 CPDF_TextPage::FindTextlineFlowDirection()
-{
- if (!m_pPage) {
- return -1;
- }
- const FX_INT32 nPageWidth = (FX_INT32)((CPDF_Page*)m_pPage)->GetPageWidth();
- const FX_INT32 nPageHeight = (FX_INT32)((CPDF_Page*)m_pPage)->GetPageHeight();
- CFX_ByteArray nHorizontalMask;
- if (!nHorizontalMask.SetSize(nPageWidth)) {
- return -1;
- }
- FX_BYTE* pDataH = nHorizontalMask.GetData();
- CFX_ByteArray nVerticalMask;
- if (!nVerticalMask.SetSize(nPageHeight)) {
- return -1;
- }
- FX_BYTE* pDataV = nVerticalMask.GetData();
- FX_INT32 index = 0;
- FX_FLOAT fLineHeight = 0.0f;
- CPDF_PageObject* pPageObj = NULL;
- FX_POSITION pos = NULL;
- pos = m_pPage->GetFirstObjectPosition();
- if(!pos) {
- return -1;
- }
- while(pos) {
- pPageObj = m_pPage->GetNextObject(pos);
- if(NULL == pPageObj) {
- continue;
- }
- if(PDFPAGE_TEXT != pPageObj->m_Type) {
- continue;
- }
- FX_INT32 minH = (FX_INT32)pPageObj->m_Left < 0 ? 0 : (FX_INT32)pPageObj->m_Left;
- FX_INT32 maxH = (FX_INT32)pPageObj->m_Right > nPageWidth ? nPageWidth : (FX_INT32)pPageObj->m_Right;
- FX_INT32 minV = (FX_INT32)pPageObj->m_Bottom < 0 ? 0 : (FX_INT32)pPageObj->m_Bottom;
- FX_INT32 maxV = (FX_INT32)pPageObj->m_Top > nPageHeight ? nPageHeight : (FX_INT32)pPageObj->m_Top;
- if (minH >= maxH || minV >= maxV){
- continue;
- }
-
- FXSYS_memset8(pDataH + minH, 1, maxH - minH);
- FXSYS_memset8(pDataV + minV, 1, maxV - minV);
-
- if (fLineHeight <= 0.0f) {
- fLineHeight = pPageObj->m_Top - pPageObj->m_Bottom;
- }
-
- pPageObj = NULL;
- }
- FX_INT32 nStartH = 0;
- FX_INT32 nEndH = 0;
- FX_FLOAT nSumH = 0.0f;
- for (index = 0; index < nPageWidth; index++)
- if(1 == nHorizontalMask[index]) {
- break;
- }
- nStartH = index;
- for (index = nPageWidth; index > 0; index--)
- if(1 == nHorizontalMask[index - 1]) {
- break;
- }
- nEndH = index;
- for (index = nStartH; index < nEndH; index++) {
- nSumH += nHorizontalMask[index];
- }
- nSumH /= nEndH - nStartH;
- FX_INT32 nStartV = 0;
- FX_INT32 nEndV = 0;
- FX_FLOAT nSumV = 0.0f;
- for (index = 0; index < nPageHeight; index++)
- if(1 == nVerticalMask[index]) {
- break;
- }
- nStartV = index;
- for (index = nPageHeight; index > 0; index--)
- if(1 == nVerticalMask[index - 1]) {
- break;
- }
- nEndV = index;
- for (index = nStartV; index < nEndV; index++) {
- nSumV += nVerticalMask[index];
- }
- nSumV /= nEndV - nStartV;
- if ((nEndV - nStartV) < (FX_INT32)(2 * fLineHeight)) {
- return 0;
- }
- if ((nEndH - nStartH) < (FX_INT32)(2 * fLineHeight)) {
- return 1;
- }
- if (nSumH > 0.8f) {
- return 0;
- }
- if (nSumH - nSumV > 0.0f) {
- return 0;
- }
- if (nSumV - nSumH > 0.0f) {
- return 1;
- }
- return -1;
-}
-void CPDF_TextPage::ProcessObject()
-{
- CPDF_PageObject* pPageObj = NULL;
- if (!m_pPage) {
- return;
- }
- FX_POSITION pos;
- pos = m_pPage->GetFirstObjectPosition();
- if (!pos) {
- return;
- }
- m_TextlineDir = FindTextlineFlowDirection();
- int nCount = 0;
- while (pos) {
- pPageObj = m_pPage->GetNextObject(pos);
- if(pPageObj) {
- if(pPageObj->m_Type == PDFPAGE_TEXT) {
- if (nCount == 3) {
- nCount = nCount;
- }
- CFX_AffineMatrix matrix;
- ProcessTextObject((CPDF_TextObject*)pPageObj, matrix, pos);
- nCount++;
- } else if (pPageObj->m_Type == PDFPAGE_FORM) {
- CFX_AffineMatrix formMatrix(1, 0, 0, 1, 0, 0);
- ProcessFormObject((CPDF_FormObject*)pPageObj, formMatrix);
- }
- }
- pPageObj = NULL;
- }
- int count = m_LineObj.GetSize();
- for(int i = 0; i < count; i++) {
- ProcessTextObject(m_LineObj.GetAt(i));
- }
- m_LineObj.RemoveAll();
- CloseTempLine();
-}
-void CPDF_TextPage::ProcessFormObject(CPDF_FormObject* pFormObj, CFX_AffineMatrix formMatrix)
-{
- CPDF_PageObject* pPageObj = NULL;
- FX_POSITION pos;
- if (!pFormObj) {
- return;
- }
- pos = pFormObj->m_pForm->GetFirstObjectPosition();
- if (!pos) {
- return;
- }
- CFX_AffineMatrix curFormMatrix;
- curFormMatrix.Copy(pFormObj->m_FormMatrix);
- curFormMatrix.Concat(formMatrix);
- while (pos) {
- pPageObj = pFormObj->m_pForm->GetNextObject(pos);
- if(pPageObj) {
- if(pPageObj->m_Type == PDFPAGE_TEXT) {
- ProcessTextObject((CPDF_TextObject*)pPageObj, curFormMatrix, pos);
- } else if (pPageObj->m_Type == PDFPAGE_FORM) {
- ProcessFormObject((CPDF_FormObject*)pPageObj, curFormMatrix);
- }
- }
- pPageObj = NULL;
- }
-}
-int CPDF_TextPage::GetCharWidth(FX_DWORD charCode, CPDF_Font* pFont) const
-{
- if(charCode == -1) {
- return 0;
- }
- int w = pFont->GetCharWidthF(charCode);
- if(w == 0) {
- CFX_ByteString str;
- pFont->AppendChar(str, charCode);
- w = pFont->GetStringWidth(str, 1);
- if(w == 0) {
- FX_RECT BBox;
- pFont->GetCharBBox(charCode, BBox);
- w = BBox.right - BBox.left;
- }
- }
- return w;
-}
-void CPDF_TextPage::OnPiece(IFX_BidiChar* pBidi, CFX_WideString& str)
-{
- FX_INT32 start, count;
- FX_INT32 ret = pBidi->GetBidiInfo(start, count);
- if(ret == 2) {
- for(int i = start + count - 1; i >= start; i--) {
- m_TextBuf.AppendChar(str.GetAt(i));
- m_charList.Add(*(PAGECHAR_INFO*)m_TempCharList.GetAt(i));
- }
- } else {
- int end = start + count ;
- for(int i = start; i < end; i++) {
- m_TextBuf.AppendChar(str.GetAt(i));
- m_charList.Add(*(PAGECHAR_INFO*)m_TempCharList.GetAt(i));
- }
- }
-}
-void CPDF_TextPage::AddCharInfoByLRDirection(CFX_WideString& str, int i)
-{
- PAGECHAR_INFO Info = *(PAGECHAR_INFO*)m_TempCharList.GetAt(i);
- FX_WCHAR wChar = str.GetAt(i);
-#ifdef FOXIT_CHROME_BUILD
- if(!IsControlChar(&Info)) {
-#else
- if(wChar != 0xfffe) {
-#endif
- Info.m_Index = m_TextBuf.GetLength();
- if (wChar >= 0xFB00 && wChar <= 0xFB06) {
- FX_LPWSTR pDst = NULL;
- FX_STRSIZE nCount = FX_Unicode_GetNormalization(wChar, pDst);
- if (nCount >= 1) {
- pDst = FX_Alloc(FX_WCHAR, nCount);
- if (!pDst) {
- return;
- }
- FX_Unicode_GetNormalization(wChar, pDst);
- for (int nIndex = 0; nIndex < nCount; nIndex++) {
- PAGECHAR_INFO Info2 = Info;
- Info2.m_Unicode = pDst[nIndex];
- Info2.m_Flag = FPDFTEXT_CHAR_PIECE;
- m_TextBuf.AppendChar(Info2.m_Unicode);
- if( !m_ParseOptions.m_bGetCharCodeOnly) {
- m_charList.Add(Info2);
- }
- }
- FX_Free(pDst);
- return;
- }
- }
- m_TextBuf.AppendChar(wChar);
- } else {
- Info.m_Index = -1;
- }
- if( !m_ParseOptions.m_bGetCharCodeOnly) {
- m_charList.Add(Info);
- }
-}
-void CPDF_TextPage::AddCharInfoByRLDirection(CFX_WideString& str, int i)
-{
- PAGECHAR_INFO Info = *(PAGECHAR_INFO*)m_TempCharList.GetAt(i);
-#ifdef FOXIT_CHROME_BUILD
- if(!IsControlChar(&Info)) {
-#else
- if(str.GetAt(i) != 0xfffe) {
-#endif
- Info.m_Index = m_TextBuf.GetLength();
- FX_WCHAR wChar = FX_GetMirrorChar(str.GetAt(i), TRUE, FALSE);
- FX_LPWSTR pDst = NULL;
- FX_STRSIZE nCount = FX_Unicode_GetNormalization(wChar, pDst);
- if (nCount >= 1) {
- pDst = FX_Alloc(FX_WCHAR, nCount);
- if (!pDst) {
- return;
- }
- FX_Unicode_GetNormalization(wChar, pDst);
- for (int nIndex = 0; nIndex < nCount; nIndex++) {
- PAGECHAR_INFO Info2 = Info;
- Info2.m_Unicode = pDst[nIndex];
- Info2.m_Flag = FPDFTEXT_CHAR_PIECE;
- m_TextBuf.AppendChar(Info2.m_Unicode);
- if( !m_ParseOptions.m_bGetCharCodeOnly) {
- m_charList.Add(Info2);
- }
- }
- FX_Free(pDst);
- return;
- } else {
- Info.m_Unicode = wChar;
- }
- m_TextBuf.AppendChar(Info.m_Unicode);
- } else {
- Info.m_Index = -1;
- }
- if( !m_ParseOptions.m_bGetCharCodeOnly) {
- m_charList.Add(Info);
- }
-}
-void CPDF_TextPage::CloseTempLine()
-{
- int count1 = m_TempCharList.GetSize();
- if (count1 <= 0) {
- return;
- }
- IFX_BidiChar* BidiChar = IFX_BidiChar::Create();
- CFX_WideString str = m_TempTextBuf.GetWideString();
- CFX_WordArray order;
- FX_BOOL bR2L = FALSE;
- FX_INT32 start = 0, count = 0, i = 0;
- int nR2L = 0, nL2R = 0;
- FX_BOOL bPrevSpace = FALSE;
- for (i = 0; i < str.GetLength(); i++) {
- if(str.GetAt(i) == 32) {
- if(bPrevSpace) {
- m_TempTextBuf.Delete(i, 1);
- m_TempCharList.Delete(i);
- str.Delete(i);
- count1 --;
- i--;
- continue;
- }
- bPrevSpace = TRUE;
- } else {
- bPrevSpace = FALSE;
- }
- if(BidiChar && BidiChar->AppendChar(str.GetAt(i))) {
- FX_INT32 ret = BidiChar->GetBidiInfo(start, count);
- order.Add(start);
- order.Add(count);
- order.Add(ret);
- if(!bR2L) {
- if(ret == 2) {
- nR2L++;
- } else if (ret == 1) {
- nL2R++;
- }
- }
- }
- }
- if(BidiChar && BidiChar->EndChar()) {
- FX_INT32 ret = BidiChar->GetBidiInfo(start, count);
- order.Add(start);
- order.Add(count);
- order.Add(ret);
- if(!bR2L) {
- if(ret == 2) {
- nR2L++;
- } else if(ret == 1) {
- nL2R++;
- }
- }
- }
- if(nR2L > 0 && nR2L >= nL2R) {
- bR2L = TRUE;
- }
- if(this->m_parserflag == FPDFTEXT_RLTB || bR2L) {
- int count = order.GetSize();
- for(int j = count - 1; j > 0; j -= 3) {
- int ret = order.GetAt(j);
- int start = order.GetAt(j - 2);
- int count1 = order.GetAt(j - 1);
- if(ret == 2 || ret == 0) {
- for(int i = start + count1 - 1; i >= start; i--) {
- AddCharInfoByRLDirection(str, i);
- }
- } else {
- i = j;
- FX_BOOL bSymbol = FALSE;
- while(i > 0 && order.GetAt(i) != 2) {
- bSymbol = !order.GetAt(i);
- i -= 3;
- }
- int end = start + count1 ;
- int n = 0;
- if(bSymbol) {
- n = i + 6;
- } else {
- n = i + 3;
- }
- if(n >= j) {
- for(int m = start; m < end; m++) {
- AddCharInfoByLRDirection(str, m);
- }
- } else {
- i = j;
- j = n;
- for(; n <= i; n += 3) {
- int ret = order.GetAt(n);
- int start = order.GetAt(n - 2);
- int count1 = order.GetAt(n - 1);
- int end = start + count1 ;
- for(int m = start; m < end; m++) {
- AddCharInfoByLRDirection(str, m);
- }
- }
- }
- }
- }
- } else {
- int count = order.GetSize();
- FX_BOOL bL2R = FALSE;
- for(int j = 0; j < count; j += 3) {
- int ret = order.GetAt(j + 2);
- int start = order.GetAt(j);
- int count1 = order.GetAt(j + 1);
- if(ret == 2 || (j == 0 && ret == 0 && !bL2R)) {
- int i = j + 3;
- while(bR2L && i < count) {
- if(order.GetAt(i + 2) == 1) {
- break;
- } else {
- i += 3;
- }
- }
- if(i == 3) {
- j = -3;
- bL2R = TRUE;
- continue;
- }
- int end = m_TempCharList.GetSize() - 1;
- if(i < count) {
- end = order.GetAt(i) - 1;
- }
- j = i - 3;
- for(int n = end; n >= start; n--) {
- AddCharInfoByRLDirection(str, n);
- }
- } else {
- int end = start + count1 ;
- for(int i = start; i < end; i++) {
- AddCharInfoByLRDirection(str, i);
- }
- }
- }
- }
- int ntext = m_TextBuf.GetSize();
- ntext = m_charList.GetSize();
- order.RemoveAll();
- m_TempCharList.RemoveAll();
- m_TempTextBuf.Delete(0, m_TempTextBuf.GetLength());
- BidiChar->Release();
-}
-void CPDF_TextPage::ProcessTextObject(CPDF_TextObject* pTextObj, CFX_AffineMatrix formMatrix, FX_POSITION ObjPos)
-{
- CFX_FloatRect re(pTextObj->m_Left, pTextObj->m_Bottom, pTextObj->m_Right, pTextObj->m_Top);
- if(FXSYS_fabs(pTextObj->m_Right - pTextObj->m_Left) < 0.01f ) {
- return;
- }
- int count = m_LineObj.GetSize();
- PDFTEXT_Obj Obj;
- Obj.m_pTextObj = pTextObj;
- Obj.m_formMatrix = formMatrix;
- if(count == 0) {
- m_LineObj.Add(Obj);
- return;
- }
- if (IsSameAsPreTextObject(pTextObj, ObjPos)) {
- return;
- }
- PDFTEXT_Obj prev_Obj = m_LineObj.GetAt(count - 1);
- CPDF_TextObjectItem item;
- int nItem = prev_Obj.m_pTextObj->CountItems();
- prev_Obj.m_pTextObj->GetItemInfo(nItem - 1, &item);
- FX_FLOAT prev_width = GetCharWidth(item.m_CharCode, prev_Obj.m_pTextObj->GetFont()) * prev_Obj.m_pTextObj->GetFontSize() / 1000;
- CFX_AffineMatrix prev_matrix;
- prev_Obj.m_pTextObj->GetTextMatrix(&prev_matrix);
- prev_width = FXSYS_fabs(prev_width);
- prev_matrix.Concat(prev_Obj.m_formMatrix);
- prev_width = prev_matrix.TransformDistance(prev_width);
- pTextObj->GetItemInfo(0, &item);
- FX_FLOAT this_width = GetCharWidth(item.m_CharCode, pTextObj->GetFont()) * pTextObj->GetFontSize() / 1000;
- this_width = FXSYS_fabs(this_width);
- CFX_AffineMatrix this_matrix;
- pTextObj->GetTextMatrix(&this_matrix);
- this_width = FXSYS_fabs(this_width);
- this_matrix.Concat(formMatrix);
- this_width = this_matrix.TransformDistance(this_width);
- FX_FLOAT threshold = prev_width > this_width ? prev_width / 4 : this_width / 4;
- FX_FLOAT prev_x = prev_Obj.m_pTextObj->GetPosX(), prev_y = prev_Obj.m_pTextObj->GetPosY();
- prev_Obj.m_formMatrix.Transform(prev_x, prev_y);
- m_DisplayMatrix.Transform(prev_x, prev_y);
- FX_FLOAT this_x = pTextObj->GetPosX(), this_y = pTextObj->GetPosY();
- formMatrix.Transform(this_x, this_y);
- m_DisplayMatrix.Transform(this_x, this_y);
- if (FXSYS_fabs(this_y - prev_y) > threshold * 2) {
- for(int i = 0; i < count; i++) {
- ProcessTextObject(m_LineObj.GetAt(i));
- }
- m_LineObj.RemoveAll();
- m_LineObj.Add(Obj);
- return;
- }
- int i = 0;
- if(m_ParseOptions.m_bNormalizeObjs) {
- for(i = count - 1; i >= 0; i--) {
- PDFTEXT_Obj prev_Obj = m_LineObj.GetAt(i);
- CFX_AffineMatrix prev_matrix;
- prev_Obj.m_pTextObj->GetTextMatrix(&prev_matrix);
- FX_FLOAT Prev_x = prev_Obj.m_pTextObj->GetPosX(), Prev_y = prev_Obj.m_pTextObj->GetPosY();
- prev_Obj.m_formMatrix.Transform(Prev_x, Prev_y);
- m_DisplayMatrix.Transform(Prev_x, Prev_y);
- if(this_x >= Prev_x) {
- if(i == count - 1) {
- m_LineObj.Add(Obj);
- } else {
- m_LineObj.InsertAt(i + 1, Obj);
- }
- break;
- }
- }
- if(i < 0) {
- m_LineObj.InsertAt(0, Obj);
- }
- } else {
- m_LineObj.Add(Obj);
- }
-}
-FX_INT32 CPDF_TextPage::PreMarkedContent(PDFTEXT_Obj Obj)
-{
- CPDF_TextObject* pTextObj = Obj.m_pTextObj;
- CPDF_ContentMarkData* pMarkData = (CPDF_ContentMarkData*)pTextObj->m_ContentMark.GetObject();
- if(!pMarkData) {
- return FPDFTEXT_MC_PASS;
- }
- int nContentMark = pMarkData->CountItems();
- if (nContentMark < 1) {
- return FPDFTEXT_MC_PASS;
- }
- CFX_WideString actText;
- FX_BOOL bExist = FALSE;
- CPDF_Dictionary* pDict = NULL;
- int n = 0;
- for (n = 0; n < nContentMark; n++) {
- CPDF_ContentMarkItem& item = pMarkData->GetItem(n);
- CFX_ByteString tagStr = (CFX_ByteString)item.GetName();
- pDict = (CPDF_Dictionary*)item.GetParam();
- CPDF_String* temp = (CPDF_String*)pDict->GetElement(FX_BSTRC("ActualText"));
- if (temp) {
- bExist = TRUE;
- actText = temp->GetUnicodeText();
- }
- }
- if (!bExist) {
- return FPDFTEXT_MC_PASS;
- }
- if (m_pPreTextObj) {
- if (CPDF_ContentMarkData* pPreMarkData = (CPDF_ContentMarkData*)m_pPreTextObj->m_ContentMark.GetObject()) {
- if (pPreMarkData->CountItems() == n) {
- CPDF_ContentMarkItem& item = pPreMarkData->GetItem(n - 1);
- if (pDict == item.GetParam()) {
- return FPDFTEXT_MC_DONE;
- }
- }
- }
- }
- CPDF_Font* pFont = pTextObj->GetFont();
- FX_STRSIZE nItems = actText.GetLength();
- if (nItems < 1) {
- return FPDFTEXT_MC_PASS;
- }
- bExist = FALSE;
- for (FX_STRSIZE i = 0; i < nItems; i++) {
- FX_WCHAR wChar = actText.GetAt(i);
- if (-1 == pFont->CharCodeFromUnicode(wChar)) {
- continue;
- } else {
- bExist = TRUE;
- break;
- }
- }
- if (!bExist) {
- return FPDFTEXT_MC_PASS;
- }
- bExist = FALSE;
- for (FX_STRSIZE j = 0; j < nItems; j++) {
- FX_WCHAR wChar = actText.GetAt(j);
- if ((wChar > 0x80 && wChar < 0xFFFD) || (wChar <= 0x80 && isprint(wChar))) {
- bExist = TRUE;
- break;
- }
- }
- if (!bExist) {
- return FPDFTEXT_MC_DONE;
- }
- return FPDFTEXT_MC_DELAY;
-}
-void CPDF_TextPage::ProcessMarkedContent(PDFTEXT_Obj Obj)
-{
- CPDF_TextObject* pTextObj = Obj.m_pTextObj;
- CPDF_ContentMarkData* pMarkData = (CPDF_ContentMarkData*)pTextObj->m_ContentMark.GetObject();
- if(!pMarkData) {
- return;
- }
- int nContentMark = pMarkData->CountItems();
- if (nContentMark < 1) {
- return;
- }
- CFX_WideString actText;
- CPDF_Dictionary* pDict = NULL;
- int n = 0;
- for (n = 0; n < nContentMark; n++) {
- CPDF_ContentMarkItem& item = pMarkData->GetItem(n);
- CFX_ByteString tagStr = (CFX_ByteString)item.GetName();
- pDict = (CPDF_Dictionary*)item.GetParam();
- CPDF_String* temp = (CPDF_String*)pDict->GetElement(FX_BSTRC("ActualText"));
- if (temp) {
- actText = temp->GetUnicodeText();
- }
- }
- FX_STRSIZE nItems = actText.GetLength();
- if (nItems < 1) {
- return;
- }
- CPDF_Font* pFont = pTextObj->GetFont();
- CFX_AffineMatrix formMatrix = Obj.m_formMatrix;
- CFX_AffineMatrix matrix;
- pTextObj->GetTextMatrix(&matrix);
- matrix.Concat(formMatrix);
- FX_FLOAT fPosX = pTextObj->GetPosX();
- FX_FLOAT fPosY = pTextObj->GetPosY();
- int nCharInfoIndex = m_TextBuf.GetLength();
- CFX_FloatRect charBox;
- charBox.top = pTextObj->m_Top;
- charBox.left = pTextObj->m_Left;
- charBox.right = pTextObj->m_Right;
- charBox.bottom = pTextObj->m_Bottom;
- for (FX_STRSIZE k = 0; k < nItems; k++) {
- FX_WCHAR wChar = actText.GetAt(k);
- if (wChar <= 0x80 && !isprint(wChar)) {
- wChar = 0x20;
- }
- if (wChar >= 0xFFFD) {
- continue;
- }
- PAGECHAR_INFO charinfo;
- charinfo.m_OriginX = fPosX;
- charinfo.m_OriginY = fPosY;
- charinfo.m_Index = nCharInfoIndex;
- charinfo.m_Unicode = wChar;
- charinfo.m_CharCode = pFont->CharCodeFromUnicode(wChar);
- charinfo.m_Flag = FPDFTEXT_CHAR_PIECE;
- charinfo.m_pTextObj = pTextObj;
- charinfo.m_CharBox.top = charBox.top;
- charinfo.m_CharBox.left = charBox.left;
- charinfo.m_CharBox.right = charBox.right;
- charinfo.m_CharBox.bottom = charBox.bottom;
- charinfo.m_Matrix.Copy(matrix);
- m_TempTextBuf.AppendChar(wChar);
- m_TempCharList.Add(charinfo);
- }
-}
-void CPDF_TextPage::FindPreviousTextObject(void)
-{
- if (m_TempCharList.GetSize() < 1 && m_charList.GetSize() < 1) {
- return;
- }
- PAGECHAR_INFO preChar;
- if (m_TempCharList.GetSize() >= 1) {
- preChar = *(PAGECHAR_INFO*)m_TempCharList.GetAt(m_TempCharList.GetSize() - 1);
- } else {
- preChar = *(PAGECHAR_INFO*)m_charList.GetAt(m_charList.GetSize() - 1);
- }
- if (preChar.m_pTextObj) {
- m_pPreTextObj = preChar.m_pTextObj;
- }
-}
-void CPDF_TextPage::ProcessTextObject(PDFTEXT_Obj Obj)
-{
- CPDF_TextObject* pTextObj = Obj.m_pTextObj;
- if(FXSYS_fabs(pTextObj->m_Right - pTextObj->m_Left) < 0.01f ) {
- return;
- }
- CFX_AffineMatrix formMatrix = Obj.m_formMatrix;
- CPDF_Font* pFont = pTextObj->GetFont();
- CFX_AffineMatrix matrix;
- pTextObj->GetTextMatrix(&matrix);
- matrix.Concat(formMatrix);
- FX_INT32 bPreMKC = PreMarkedContent(Obj);
- if (FPDFTEXT_MC_DONE == bPreMKC) {
- m_pPreTextObj = pTextObj;
- m_perMatrix.Copy(formMatrix);
- return;
- }
- int result = 0;
- if (m_pPreTextObj) {
- result = ProcessInsertObject(pTextObj, formMatrix);
- if (2 == result) {
- m_CurlineRect = CFX_FloatRect(Obj.m_pTextObj->m_Left, Obj.m_pTextObj->m_Bottom, Obj.m_pTextObj->m_Right, Obj.m_pTextObj->m_Top);
- } else {
- m_CurlineRect.Union(CFX_FloatRect(Obj.m_pTextObj->m_Left, Obj.m_pTextObj->m_Bottom, Obj.m_pTextObj->m_Right, Obj.m_pTextObj->m_Top));
- }
- PAGECHAR_INFO generateChar;
- if (result == 1) {
- if (GenerateCharInfo(TEXT_BLANK_CHAR, generateChar)) {
- if (!formMatrix.IsIdentity()) {
- generateChar.m_Matrix.Copy(formMatrix);
- }
- m_TempTextBuf.AppendChar(TEXT_BLANK_CHAR);
- m_TempCharList.Add(generateChar);
- }
- } else if(result == 2) {
- CloseTempLine();
- if(m_TextBuf.GetSize()) {
- if(m_ParseOptions.m_bGetCharCodeOnly) {
- m_TextBuf.AppendChar(TEXT_RETURN_CHAR);
- m_TextBuf.AppendChar(TEXT_LINEFEED_CHAR);
- } else {
- if(GenerateCharInfo(TEXT_RETURN_CHAR, generateChar)) {
- m_TextBuf.AppendChar(TEXT_RETURN_CHAR);
- if (!formMatrix.IsIdentity()) {
- generateChar.m_Matrix.Copy(formMatrix);
- }
- m_charList.Add(generateChar);
- }
- if(GenerateCharInfo(TEXT_LINEFEED_CHAR, generateChar)) {
- m_TextBuf.AppendChar(TEXT_LINEFEED_CHAR);
- if (!formMatrix.IsIdentity()) {
- generateChar.m_Matrix.Copy(formMatrix);
- }
- m_charList.Add(generateChar);
- }
- }
- }
- } else if (result == 3 && !m_ParseOptions.m_bOutputHyphen) {
- FX_INT32 nChars = pTextObj->CountChars();
- if (nChars == 1) {
- CPDF_TextObjectItem item;
- pTextObj->GetCharInfo(0, &item);
- CFX_WideString wstrItem = pTextObj->GetFont()->UnicodeFromCharCode(item.m_CharCode);
- if(wstrItem.IsEmpty()) {
- wstrItem += (FX_WCHAR)item.m_CharCode;
- }
- FX_WCHAR curChar = wstrItem.GetAt(0);
- if (0x2D == curChar || 0xAD == curChar) {
- return;
- }
- }
- while (m_TempTextBuf.GetSize() > 0 && m_TempTextBuf.GetWideString().GetAt(m_TempTextBuf.GetLength() - 1) == 0x20) {
- m_TempTextBuf.Delete(m_TempTextBuf.GetLength() - 1, 1);
- m_TempCharList.Delete(m_TempCharList.GetSize() - 1);
- }
- PAGECHAR_INFO* cha = (PAGECHAR_INFO*)m_TempCharList.GetAt(m_TempCharList.GetSize() - 1);
- m_TempTextBuf.Delete(m_TempTextBuf.GetLength() - 1, 1);
-#ifdef FOXIT_CHROME_BUILD
- cha->m_Unicode = 0x2;
- cha->m_Flag = FPDFTEXT_CHAR_HYPHEN;
- m_TempTextBuf.AppendChar(0xfffe);
-#else
- cha->m_Unicode = 0;
- m_TempTextBuf.AppendChar(0xfffe);
-#endif
- }
- } else {
- m_CurlineRect = CFX_FloatRect(Obj.m_pTextObj->m_Left, Obj.m_pTextObj->m_Bottom, Obj.m_pTextObj->m_Right, Obj.m_pTextObj->m_Top);
- }
- if (FPDFTEXT_MC_DELAY == bPreMKC) {
- ProcessMarkedContent(Obj);
- m_pPreTextObj = pTextObj;
- m_perMatrix.Copy(formMatrix);
- return;
- }
- m_pPreTextObj = pTextObj;
- m_perMatrix.Copy(formMatrix);
- int nItems = pTextObj->CountItems();
- FX_FLOAT spacing = 0;
- FX_FLOAT baseSpace = 0.0;
- FX_BOOL bAllChar = TRUE;
- if (pTextObj->m_TextState.GetObject()->m_CharSpace && nItems >= 3) {
- spacing = matrix.TransformDistance(pTextObj->m_TextState.GetObject()->m_CharSpace);
- baseSpace = spacing;
- for (int i = 0; i < nItems; i++) {
- CPDF_TextObjectItem item;
- pTextObj->GetItemInfo(i, &item);
- if (item.m_CharCode == (FX_DWORD) - 1) {
- FX_FLOAT fontsize_h = pTextObj->m_TextState.GetFontSizeH();
- FX_FLOAT kerning = -fontsize_h * item.m_OriginX / 1000;
- if(kerning + spacing < baseSpace) {
- baseSpace = kerning + spacing;
- }
- bAllChar = FALSE;
- }
- }
- spacing = 0;
- if(baseSpace < 0.0 || (nItems == 3 && !bAllChar)) {
- baseSpace = 0.0;
- }
- }
- for (int i = 0; i < nItems; i++) {
- CPDF_TextObjectItem item;
- PAGECHAR_INFO charinfo;
- charinfo.m_OriginX = 0;
- charinfo.m_OriginY = 0;
- pTextObj->GetItemInfo(i, &item);
- if (item.m_CharCode == (FX_DWORD) - 1) {
- CFX_WideString str = m_TempTextBuf.GetWideString();
- if(str.IsEmpty()) {
- str = m_TextBuf.GetWideString();
- }
- if (str.IsEmpty() || str.GetAt(str.GetLength() - 1) == TEXT_BLANK_CHAR) {
- continue;
- }
- FX_FLOAT fontsize_h = pTextObj->m_TextState.GetFontSizeH();
- spacing = -fontsize_h * item.m_OriginX / 1000;
- continue;
- }
- FX_FLOAT charSpace = pTextObj->m_TextState.GetObject()->m_CharSpace;
- if (charSpace > 0.001) {
- spacing += matrix.TransformDistance(charSpace);
- } else if(charSpace < -0.001) {
- spacing -= matrix.TransformDistance(FXSYS_fabs(charSpace));
- }
- spacing -= baseSpace;
- if (spacing && i > 0) {
- int last_width = 0;
- FX_FLOAT fontsize_h = pTextObj->m_TextState.GetFontSizeH();
- FX_DWORD space_charcode = pFont->CharCodeFromUnicode(' ');
- FX_FLOAT threshold = 0;
- if (space_charcode != -1) {
- threshold = fontsize_h * pFont->GetCharWidthF(space_charcode) / 1000 ;
- }
- if (threshold > fontsize_h / 3) {
- threshold = 0;
- } else {
- threshold /= 2;
- }
- if (threshold == 0) {
- threshold = fontsize_h;
- int this_width = FXSYS_abs(GetCharWidth(item.m_CharCode, pFont));
- threshold = this_width > last_width ? (FX_FLOAT)this_width : (FX_FLOAT)last_width;
- int nDivide = 6;
- if (threshold < 300) {
- nDivide = 2;
- } else if (threshold < 500) {
- nDivide = 4;
- } else if (threshold < 700) {
- nDivide = 5;
- }
- threshold = threshold / nDivide;
- threshold = fontsize_h * threshold / 1000;
- }
- if (threshold && (spacing && spacing >= threshold) ) {
- charinfo.m_Unicode = TEXT_BLANK_CHAR;
- charinfo.m_Flag = FPDFTEXT_CHAR_GENERATED;
- charinfo.m_pTextObj = pTextObj;
- charinfo.m_Index = m_TextBuf.GetLength();
- m_TempTextBuf.AppendChar(TEXT_BLANK_CHAR);
- charinfo.m_CharCode = -1;
- charinfo.m_Matrix.Copy(formMatrix);
- matrix.Transform(item.m_OriginX, item.m_OriginY, charinfo.m_OriginX, charinfo.m_OriginY);
- charinfo.m_CharBox = CFX_FloatRect(charinfo.m_OriginX, charinfo.m_OriginY, charinfo.m_OriginX, charinfo.m_OriginY);
- m_TempCharList.Add(charinfo);
- }
- if (item.m_CharCode == (FX_DWORD) - 1) {
- continue;
- }
- }
- spacing = 0;
- CFX_WideString wstrItem = pFont->UnicodeFromCharCode(item.m_CharCode);
- FX_BOOL bNoUnicode = FALSE;
- FX_WCHAR wChar = wstrItem.GetAt(0);
- if ((wstrItem.IsEmpty() || wChar == 0) && item.m_CharCode) {
- if(wstrItem.IsEmpty()) {
- wstrItem += (FX_WCHAR)item.m_CharCode;
- } else {
- wstrItem.SetAt(0, (FX_WCHAR)item.m_CharCode);
- }
- bNoUnicode = TRUE;
- }
- charinfo.m_Index = -1;
- charinfo.m_CharCode = item.m_CharCode;
- if(bNoUnicode) {
- charinfo.m_Flag = FPDFTEXT_CHAR_UNUNICODE;
- } else {
- charinfo.m_Flag = FPDFTEXT_CHAR_NORMAL;
- }
- charinfo.m_pTextObj = pTextObj;
- charinfo.m_OriginX = 0, charinfo.m_OriginY = 0;
- matrix.Transform(item.m_OriginX, item.m_OriginY, charinfo.m_OriginX, charinfo.m_OriginY);
- FX_RECT rect(0, 0, 0, 0);
- rect.Intersect(0, 0, 0, 0);
- charinfo.m_pTextObj->GetFont()->GetCharBBox(charinfo.m_CharCode, rect);
- charinfo.m_CharBox.top = rect.top * pTextObj->GetFontSize() / 1000 + item.m_OriginY;
- charinfo.m_CharBox.left = rect.left * pTextObj->GetFontSize() / 1000 + item.m_OriginX;
- charinfo.m_CharBox.right = rect.right * pTextObj->GetFontSize() / 1000 + item.m_OriginX;
- charinfo.m_CharBox.bottom = rect.bottom * pTextObj->GetFontSize() / 1000 + item.m_OriginY;
- if (fabsf(charinfo.m_CharBox.top - charinfo.m_CharBox.bottom) < 0.01f) {
- charinfo.m_CharBox.top = charinfo.m_CharBox.bottom + pTextObj->GetFontSize();
- }
- if (fabsf(charinfo.m_CharBox.right - charinfo.m_CharBox.left) < 0.01f) {
- charinfo.m_CharBox.right = charinfo.m_CharBox.left + pTextObj->GetCharWidth(charinfo.m_CharCode);
- }
- matrix.TransformRect(charinfo.m_CharBox);
- charinfo.m_Matrix.Copy(matrix);
- if (wstrItem.IsEmpty()) {
- charinfo.m_Unicode = 0;
- m_TempCharList.Add(charinfo);
- m_TempTextBuf.AppendChar(0xfffe);
- continue;
- } else {
- int nTotal = wstrItem.GetLength();
- int n = 0;
- FX_BOOL bDel = FALSE;
- while (n < m_TempCharList.GetSize() && n < 7) {
- n++;
- PAGECHAR_INFO* charinfo1 = (PAGECHAR_INFO*)m_TempCharList.GetAt(m_TempCharList.GetSize() - n);
- if(charinfo1->m_CharCode == charinfo.m_CharCode &&
- charinfo1->m_pTextObj->GetFont() == charinfo.m_pTextObj->GetFont() &&
- FXSYS_fabs(charinfo1->m_OriginX - charinfo.m_OriginX) < TEXT_CHARRATIO_GAPDELTA * pTextObj->GetFontSize() &&
- FXSYS_fabs(charinfo1->m_OriginY - charinfo.m_OriginY) < TEXT_CHARRATIO_GAPDELTA * pTextObj->GetFontSize() ) {
- bDel = TRUE;
- break;
- }
- }
- if(!bDel) {
- for (int nIndex = 0; nIndex < nTotal; nIndex++) {
- charinfo.m_Unicode = wstrItem.GetAt(nIndex);
- if (charinfo.m_Unicode) {
- charinfo.m_Index = m_TextBuf.GetLength();
- m_TempTextBuf.AppendChar(charinfo.m_Unicode);
- } else {
- m_TempTextBuf.AppendChar(0xfffe);
- }
- m_TempCharList.Add(charinfo);
- }
- } else if(i == 0) {
- CFX_WideString str = m_TempTextBuf.GetWideString();
- if (!str.IsEmpty() && str.GetAt(str.GetLength() - 1) == TEXT_BLANK_CHAR) {
- m_TempTextBuf.Delete(m_TempTextBuf.GetLength() - 1, 1);
- m_TempCharList.Delete(m_TempCharList.GetSize() - 1);
- }
- }
- }
- }
-}
-FX_INT32 CPDF_TextPage::GetTextObjectWritingMode(const CPDF_TextObject* pTextObj)
-{
- FX_INT32 nChars = pTextObj->CountChars();
- if (nChars == 1) {
- return m_TextlineDir;
- }
- CPDF_TextObjectItem first, last;
- pTextObj->GetCharInfo(0, &first);
- pTextObj->GetCharInfo(nChars - 1, &last);
- CFX_Matrix textMatrix;
- pTextObj->GetTextMatrix(&textMatrix);
- textMatrix.TransformPoint(first.m_OriginX, first.m_OriginY);
- textMatrix.TransformPoint(last.m_OriginX, last.m_OriginY);
- FX_FLOAT dX = FXSYS_fabs(last.m_OriginX - first.m_OriginX);
- FX_FLOAT dY = FXSYS_fabs(last.m_OriginY - first.m_OriginY);
- if (dX <= 0.0001f && dY <= 0.0001f) {
- return -1;
- }
- CFX_VectorF v;
- v.Set(dX, dY);
- v.Normalize();
- if (v.y <= 0.0872f) {
- if (v.x <= 0.0872f) {
- return m_TextlineDir;
- }
- return 0;
- } else if (v.x <= 0.0872f) {
- return 1;
- }
- return m_TextlineDir;
-}
-FX_BOOL CPDF_TextPage::IsHyphen(FX_WCHAR curChar)
-{
- CFX_WideString strCurText = m_TempTextBuf.GetWideString();
- if(strCurText.GetLength() == 0) {
- strCurText = m_TextBuf.GetWideString();
- }
- FX_STRSIZE nCount = strCurText.GetLength();
- int nIndex = nCount - 1;
- FX_WCHAR wcTmp = strCurText.GetAt(nIndex);
- while(wcTmp == 0x20 && nIndex <= nCount - 1 && nIndex >= 0) {
- wcTmp = strCurText.GetAt(--nIndex);
- }
- if (0x2D == wcTmp || 0xAD == wcTmp) {
- if (--nIndex > 0) {
- FX_WCHAR preChar = strCurText.GetAt((nIndex));
- if (((preChar >= L'A' && preChar <= L'Z') || (preChar >= L'a' && preChar <= L'z'))
- && ((curChar >= L'A' && curChar <= L'Z') || (curChar >= L'a' && curChar <= L'z'))) {
- return TRUE;
- }
- }
- int size = m_TempCharList.GetSize();
- PAGECHAR_INFO preChar;
- if (size) {
- preChar = (PAGECHAR_INFO)m_TempCharList[size - 1];
- } else {
- size = m_charList.GetSize();
- if(size == 0) {
- return FALSE;
- }
- preChar = (PAGECHAR_INFO)m_charList[size - 1];
- }
- if (FPDFTEXT_CHAR_PIECE == preChar.m_Flag)
- if (0xAD == preChar.m_Unicode || 0x2D == preChar.m_Unicode) {
- return TRUE;
- }
- }
- return FALSE;
-}
-int CPDF_TextPage::ProcessInsertObject(const CPDF_TextObject* pObj, CFX_AffineMatrix formMatrix)
-{
- FindPreviousTextObject();
- FX_BOOL bNewline = FALSE;
- int WritingMode = GetTextObjectWritingMode(pObj);
- if(WritingMode == -1) {
- WritingMode = GetTextObjectWritingMode(m_pPreTextObj);
- }
- CFX_FloatRect this_rect(pObj->m_Left, pObj->m_Bottom, pObj->m_Right, pObj->m_Top);
- CFX_FloatRect prev_rect(m_pPreTextObj->m_Left, m_pPreTextObj->m_Bottom, m_pPreTextObj->m_Right, m_pPreTextObj->m_Top);
- CPDF_TextObjectItem PrevItem, item;
- int nItem = m_pPreTextObj->CountItems();
- m_pPreTextObj->GetItemInfo(nItem - 1, &PrevItem);
- pObj->GetItemInfo(0, &item);
- CFX_WideString wstrItem = pObj->GetFont()->UnicodeFromCharCode(item.m_CharCode);
- if(wstrItem.IsEmpty()) {
- wstrItem += (FX_WCHAR)item.m_CharCode;
- }
- FX_WCHAR curChar = wstrItem.GetAt(0);
- if(WritingMode == 0) {
- if(this_rect.Height() > 4.5 && prev_rect.Height() > 4.5) {
- FX_FLOAT top = this_rect.top < prev_rect.top ? this_rect.top : prev_rect.top;
- FX_FLOAT bottom = this_rect.bottom > prev_rect.bottom ? this_rect.bottom : prev_rect.bottom;
- if(bottom >= top) {
- if(IsHyphen(curChar)) {
- return 3;
- }
- return 2;
- }
- }
- } else if (WritingMode == 1) {
- if(this_rect.Width() > pObj->GetFontSize() * 0.1f && prev_rect.Width() > m_pPreTextObj->GetFontSize() * 0.1f) {
- FX_FLOAT left = this_rect.left > m_CurlineRect.left ? this_rect.left : m_CurlineRect.left;
- FX_FLOAT right = this_rect.right < m_CurlineRect.right ? this_rect.right : m_CurlineRect.right;
- if(right <= left) {
- if(IsHyphen(curChar)) {
- return 3;
- }
- return 2;
- }
- }
- }
- FX_FLOAT last_pos = PrevItem.m_OriginX;
- int nLastWidth = GetCharWidth(PrevItem.m_CharCode, m_pPreTextObj->GetFont());
- FX_FLOAT last_width = nLastWidth * m_pPreTextObj->GetFontSize() / 1000;
- last_width = FXSYS_fabs(last_width);
- int nThisWidth = GetCharWidth(item.m_CharCode, pObj->GetFont());
- FX_FLOAT this_width = nThisWidth * pObj->GetFontSize() / 1000;
- this_width = FXSYS_fabs(this_width);
- FX_FLOAT threshold = last_width > this_width ? last_width / 4 : this_width / 4;
- CFX_AffineMatrix prev_matrix, prev_reverse;
- m_pPreTextObj->GetTextMatrix(&prev_matrix);
- prev_matrix.Concat(m_perMatrix);
- prev_reverse.SetReverse(prev_matrix);
- FX_FLOAT x = pObj->GetPosX();
- FX_FLOAT y = pObj->GetPosY();
- formMatrix.Transform(x, y);
- prev_reverse.Transform(x, y);
- if(last_width < this_width) {
- threshold = prev_reverse.TransformDistance(threshold);
- }
- CFX_FloatRect rect1(m_pPreTextObj->m_Left, pObj->m_Bottom, m_pPreTextObj->m_Right, pObj->m_Top);
- CFX_FloatRect rect2(m_pPreTextObj->m_Left, m_pPreTextObj->m_Bottom, m_pPreTextObj->m_Right, m_pPreTextObj->m_Top);
- CFX_FloatRect rect3 = rect1;
- rect1.Intersect(rect2);
- if (WritingMode == 0) {
- if ((rect1.IsEmpty() && rect2.Height() > 5 && rect3.Height() > 5)
- || ((y > threshold * 2 || y < threshold * -3) && (FXSYS_fabs(y) < 1 ? FXSYS_fabs(x) < FXSYS_fabs(y) : TRUE))) {
- bNewline = TRUE;
- if(nItem > 1 ) {
- CPDF_TextObjectItem tempItem;
- m_pPreTextObj->GetItemInfo(0, &tempItem);
- CFX_AffineMatrix m;
- m_pPreTextObj->GetTextMatrix(&m);
- if(PrevItem.m_OriginX > tempItem.m_OriginX &&
- m_DisplayMatrix.a > 0.9 && m_DisplayMatrix.b < 0.1 &&
- m_DisplayMatrix.c < 0.1 && m_DisplayMatrix.d < -0.9
- && m.b < 0.1 && m.c < 0.1 ) {
- CFX_FloatRect re(0, m_pPreTextObj->m_Bottom, 1000, m_pPreTextObj->m_Top);
- if(re.Contains(pObj->GetPosX(), pObj->GetPosY())) {
- bNewline = FALSE;
- } else {
- CFX_FloatRect re(0, pObj->m_Bottom, 1000, pObj->m_Top);
- if(re.Contains(m_pPreTextObj->GetPosX(), m_pPreTextObj->GetPosY())) {
- bNewline = FALSE;
- }
- }
- }
- }
- }
- }
- if(bNewline) {
- if(IsHyphen(curChar)) {
- return 3;
- }
- return 2;
- }
- FX_INT32 nChars = pObj->CountChars();
- if (nChars == 1 && ( 0x2D == curChar || 0xAD == curChar))
- if (IsHyphen(curChar)) {
- return 3;
- }
- CFX_WideString PrevStr = m_pPreTextObj->GetFont()->UnicodeFromCharCode(PrevItem.m_CharCode);
- FX_WCHAR preChar = PrevStr.GetAt(PrevStr.GetLength() - 1);
- CFX_AffineMatrix matrix;
- pObj->GetTextMatrix(&matrix);
- matrix.Concat(formMatrix);
- threshold = (FX_FLOAT)(nLastWidth > nThisWidth ? nLastWidth : nThisWidth);
- threshold = threshold > 400 ? (threshold < 700 ? threshold / 4 : (threshold > 800 ? threshold / 6 : threshold / 5)) : (threshold / 2);
- if(nLastWidth >= nThisWidth) {
- threshold *= FXSYS_fabs(m_pPreTextObj->GetFontSize());
- } else {
- threshold *= FXSYS_fabs(pObj->GetFontSize());
- threshold = matrix.TransformDistance(threshold);
- threshold = prev_reverse.TransformDistance(threshold);
- }
- threshold /= 1000;
- if((threshold < 1.4881 && threshold > 1.4879)
- || (threshold < 1.39001 && threshold > 1.38999)) {
- threshold *= 1.5;
- }
- if (FXSYS_fabs(last_pos + last_width - x) > threshold && curChar != L' ' && preChar != L' ')
- if (curChar != L' ' && preChar != L' ') {
- if((x - last_pos - last_width) > threshold || (last_pos - x - last_width) > threshold) {
- return 1;
- }
- if(x < 0 && (last_pos - x - last_width) > threshold) {
- return 1;
- }
- if((x - last_pos - last_width) > this_width || (x - last_pos - this_width) > last_width ) {
- return 1;
- }
- }
- return 0;
-}
-FX_BOOL CPDF_TextPage::IsSameTextObject(CPDF_TextObject* pTextObj1, CPDF_TextObject* pTextObj2)
-{
- if (!pTextObj1 || !pTextObj2) {
- return FALSE;
- }
- CFX_FloatRect rcPreObj(pTextObj2->m_Left, pTextObj2->m_Bottom, pTextObj2->m_Right, pTextObj2->m_Top);
- CFX_FloatRect rcCurObj(pTextObj1->m_Left, pTextObj1->m_Bottom, pTextObj1->m_Right, pTextObj1->m_Top);
- if (rcPreObj.IsEmpty() && rcCurObj.IsEmpty() && !m_ParseOptions.m_bGetCharCodeOnly) {
- FX_FLOAT dbXdif = FXSYS_fabs(rcPreObj.left - rcCurObj.left);
- int nCount = m_charList.GetSize();
- if (nCount >= 2) {
- PAGECHAR_INFO perCharTemp = (PAGECHAR_INFO)m_charList[nCount - 2];
- FX_FLOAT dbSpace = perCharTemp.m_CharBox.Width();
- if (dbXdif > dbSpace) {
- return FALSE;
- }
- }
- }
- if (!rcPreObj.IsEmpty() || !rcCurObj.IsEmpty()) {
- rcPreObj.Intersect(rcCurObj);
- if (rcPreObj.IsEmpty()) {
- return FALSE;
- }
- if (FXSYS_fabs(rcPreObj.Width() - rcCurObj.Width()) > rcCurObj.Width() / 2) {
- return FALSE;
- }
- if (pTextObj2->GetFontSize() != pTextObj1->GetFontSize()) {
- return FALSE;
- }
- }
- int nPreCount = pTextObj2->CountItems();
- int nCurCount = pTextObj1->CountItems();
- if (nPreCount != nCurCount) {
- return FALSE;
- }
- CPDF_TextObjectItem itemPer, itemCur;
- for (int i = 0; i < nPreCount; i++) {
- pTextObj2->GetItemInfo(i, &itemPer);
- pTextObj1->GetItemInfo(i, &itemCur);
- if (itemCur.m_CharCode != itemPer.m_CharCode) {
- return FALSE;
- }
- }
- if(FXSYS_fabs(pTextObj1->GetPosX() - pTextObj2->GetPosX()) > GetCharWidth(itemPer.m_CharCode, pTextObj2->GetFont())*pTextObj2->GetFontSize() / 1000 * 0.9 ||
- FXSYS_fabs(pTextObj1->GetPosY() - pTextObj2->GetPosY()) >
- FX_MAX(FX_MAX(rcPreObj.Height() , rcPreObj.Width()), pTextObj2->GetFontSize()) / 8) {
- return FALSE;
- }
- return TRUE;
-}
-FX_BOOL CPDF_TextPage::IsSameAsPreTextObject(CPDF_TextObject* pTextObj, FX_POSITION ObjPos)
-{
- if (!pTextObj) {
- return FALSE;
- }
- int i = 0;
- if (!ObjPos) {
- ObjPos = m_pPage->GetLastObjectPosition();
- }
- CPDF_PageObject* pObj = m_pPage->GetPrevObject(ObjPos);
- while (i < 5 && ObjPos) {
- pObj = m_pPage->GetPrevObject(ObjPos);
- if(pObj == pTextObj) {
- continue;
- }
- if(pObj->m_Type != PDFPAGE_TEXT) {
- continue;
- }
- if(IsSameTextObject((CPDF_TextObject*)pObj, pTextObj)) {
- return TRUE;
- }
- i++;
- }
- return FALSE;
-}
-FX_BOOL CPDF_TextPage::GenerateCharInfo(FX_WCHAR unicode, PAGECHAR_INFO& info)
-{
- int size = m_TempCharList.GetSize();
- PAGECHAR_INFO preChar;
- if (size) {
- preChar = (PAGECHAR_INFO)m_TempCharList[size - 1];
- } else {
- size = m_charList.GetSize();
- if(size == 0) {
- return FALSE;
- }
- preChar = (PAGECHAR_INFO)m_charList[size - 1];
- }
- info.m_Index = m_TextBuf.GetLength();
- info.m_Unicode = unicode;
- info.m_pTextObj = NULL;
- info.m_CharCode = -1;
- info.m_Flag = FPDFTEXT_CHAR_GENERATED;
- int preWidth = 0;
- if (preChar.m_pTextObj && preChar.m_CharCode != (FX_DWORD) - 1) {
- preWidth = GetCharWidth(preChar.m_CharCode, preChar.m_pTextObj->GetFont());
- }
- FX_FLOAT fs = 0;
- if(preChar.m_pTextObj) {
- fs = preChar.m_pTextObj->GetFontSize();
- } else {
- fs = preChar.m_CharBox.Height();
- }
- if(!fs) {
- fs = 1;
- }
- info.m_OriginX = preChar.m_OriginX + preWidth * (fs) / 1000;
- info.m_OriginY = preChar.m_OriginY;
- info.m_CharBox = CFX_FloatRect(info.m_OriginX, info.m_OriginY, info.m_OriginX, info.m_OriginY);
- return TRUE;
-}
-FX_BOOL CPDF_TextPage::IsRectIntersect(CFX_FloatRect rect1, CFX_FloatRect rect2)
-{
- rect1.Intersect(rect2);
- if(rect1.IsEmpty()) {
- return FALSE;
- }
- return TRUE;
-}
-FX_BOOL CPDF_TextPage::IsLetter(FX_WCHAR unicode)
-{
- if (unicode < L'A') {
- return FALSE;
- }
- if (unicode > L'Z' && unicode < L'a') {
- return FALSE;
- }
- if (unicode > L'z') {
- return FALSE;
- }
- return TRUE;
-}
-CPDF_TextPageFind::CPDF_TextPageFind(const IPDF_TextPage* pTextPage)
- : m_IsFind(FALSE),
- m_pTextPage(NULL)
-{
- if (!pTextPage) {
- return;
- }
- CPDF_ModuleMgr* pPDFModule = CPDF_ModuleMgr::Get();
- m_pTextPage = pTextPage;
- m_strText = m_pTextPage->GetPageText();
- int nCount = pTextPage->CountChars();
- if(nCount) {
- m_CharIndex.Add(0);
- }
- for(int i = 0; i < nCount; i++) {
- FPDF_CHAR_INFO info;
- pTextPage->GetCharInfo(i, info);
- int indexSize = m_CharIndex.GetSize();
- if(info.m_Flag == CHAR_NORMAL || info.m_Flag == CHAR_GENERATED) {
- if(indexSize % 2) {
- m_CharIndex.Add(1);
- } else {
- if(indexSize <= 0) {
- continue;
- }
- m_CharIndex.SetAt(indexSize - 1, m_CharIndex.GetAt(indexSize - 1) + 1);
- }
- } else {
- if(indexSize % 2) {
- if(indexSize <= 0) {
- continue;
- }
- m_CharIndex.SetAt(indexSize - 1, i + 1);
- } else {
- m_CharIndex.Add(i + 1);
- }
- }
- }
- int indexSize = m_CharIndex.GetSize();
- if(indexSize % 2) {
- m_CharIndex.RemoveAt(indexSize - 1);
- }
- m_resStart = 0;
- m_resEnd = -1;
-}
-int CPDF_TextPageFind::GetCharIndex(int index) const
-{
- return m_pTextPage->CharIndexFromTextIndex(index);
- int indexSize = m_CharIndex.GetSize();
- int count = 0;
- for(int i = 0; i < indexSize; i += 2) {
- count += m_CharIndex.GetAt(i + 1);
- if(count > index) {
- return index - count + m_CharIndex.GetAt(i + 1) + m_CharIndex.GetAt(i);
- }
- }
- return -1;
-}
-FX_BOOL CPDF_TextPageFind::FindFirst(CFX_WideString findwhat, int flags, int startPos)
-{
- if (!m_pTextPage) {
- return FALSE;
- }
- if (m_strText.IsEmpty() || m_bMatchCase != (flags & FPDFTEXT_MATCHCASE)) {
- m_strText = m_pTextPage->GetPageText();
- }
- m_findWhat = findwhat;
- m_flags = flags;
- m_bMatchCase = flags & FPDFTEXT_MATCHCASE;
- if (m_strText.IsEmpty()) {
- m_IsFind = FALSE;
- return TRUE;
- }
- FX_STRSIZE len = findwhat.GetLength();
- if (!m_bMatchCase) {
- findwhat.MakeLower();
- m_strText.MakeLower();
- }
- m_bMatchWholeWord = flags & FPDFTEXT_MATCHWHOLEWORD;
- m_findNextStart = startPos;
- if (startPos == -1) {
- m_findPreStart = m_strText.GetLength() - 1;
- } else {
- m_findPreStart = startPos;
- }
- m_csFindWhatArray.RemoveAll();
- int i = 0;
- while(i < len) {
- if(findwhat.GetAt(i) != ' ') {
- break;
- }
- i++;
- }
- if(i < len) {
- ExtractFindWhat(findwhat);
- } else {
- m_csFindWhatArray.Add(findwhat);
- }
- if(m_csFindWhatArray.GetSize() <= 0) {
- return FALSE;
- }
- m_IsFind = TRUE;
- m_resStart = 0;
- m_resEnd = -1;
- return TRUE;
-}
-FX_BOOL CPDF_TextPageFind::FindNext()
-{
- if (!m_pTextPage) {
- return FALSE;
- }
- m_resArray.RemoveAll();
- if(m_findNextStart == -1) {
- return FALSE;
- }
- if(m_strText.IsEmpty()) {
- m_IsFind = FALSE;
- return m_IsFind;
- }
- int strLen = m_strText.GetLength();
- if (m_findNextStart > strLen - 1) {
- m_IsFind = FALSE;
- return m_IsFind;
- }
- int nCount = m_csFindWhatArray.GetSize();
- int nResultPos = 0;
- int nStartPos = 0;
- nStartPos = m_findNextStart;
- FX_BOOL bSpaceStart = FALSE;
- for(int iWord = 0; iWord < nCount; iWord++) {
- CFX_WideString csWord = m_csFindWhatArray[iWord];
- if(csWord.IsEmpty()) {
- if(iWord == nCount - 1) {
- FX_WCHAR strInsert = m_strText.GetAt(nStartPos);
- if(strInsert == TEXT_LINEFEED_CHAR || strInsert == TEXT_BLANK_CHAR || strInsert == TEXT_RETURN_CHAR || strInsert == 160) {
- nResultPos = nStartPos + 1;
- break;
- }
- iWord = -1;
- } else if(iWord == 0) {
- bSpaceStart = TRUE;
- }
- continue;
- }
- int endIndex;
- nResultPos = m_strText.Find(csWord, nStartPos);
- if (nResultPos == -1) {
- m_IsFind = FALSE;
- return m_IsFind;
- }
- endIndex = nResultPos + csWord.GetLength() - 1;
- if(iWord == 0) {
- m_resStart = nResultPos;
- }
- FX_BOOL bMatch = TRUE;
- if(iWord != 0 && !bSpaceStart) {
- int PreResEndPos = nStartPos;
- int curChar = csWord.GetAt(0);
- CFX_WideString lastWord = m_csFindWhatArray[iWord - 1];
- int lastChar = lastWord.GetAt(lastWord.GetLength() - 1);
- if(nStartPos == nResultPos && !(_IsIgnoreSpaceCharacter(lastChar) || _IsIgnoreSpaceCharacter(curChar))) {
- bMatch = FALSE;
- }
- for(int d = PreResEndPos; d < nResultPos; d++) {
- FX_WCHAR strInsert = m_strText.GetAt(d);
- if(strInsert != TEXT_LINEFEED_CHAR && strInsert != TEXT_BLANK_CHAR && strInsert != TEXT_RETURN_CHAR && strInsert != 160) {
- bMatch = FALSE;
- break;
- }
- }
- } else if(bSpaceStart) {
- if(nResultPos > 0) {
- FX_WCHAR strInsert = m_strText.GetAt(nResultPos - 1);
- if(strInsert != TEXT_LINEFEED_CHAR && strInsert != TEXT_BLANK_CHAR && strInsert != TEXT_RETURN_CHAR && strInsert != 160) {
- bMatch = FALSE;
- m_resStart = nResultPos;
- } else {
- m_resStart = nResultPos - 1;
- }
- }
- }
- if(m_bMatchWholeWord && bMatch) {
- bMatch = IsMatchWholeWord(m_strText, nResultPos, endIndex);
- }
- nStartPos = endIndex + 1;
- if(!bMatch) {
- iWord = -1;
- if(bSpaceStart) {
- nStartPos = m_resStart + m_csFindWhatArray[1].GetLength();
- } else {
- nStartPos = m_resStart + m_csFindWhatArray[0].GetLength();
- }
- }
- }
- m_resEnd = nResultPos + m_csFindWhatArray[m_csFindWhatArray.GetSize() - 1].GetLength() - 1;
- m_IsFind = TRUE;
- int resStart = GetCharIndex(m_resStart);
- int resEnd = GetCharIndex(m_resEnd);
- m_pTextPage->GetRectArray(resStart, resEnd - resStart + 1, m_resArray);
- if(m_flags & FPDFTEXT_CONSECUTIVE) {
- m_findNextStart = m_resStart + 1;
- m_findPreStart = m_resEnd - 1;
- } else {
- m_findNextStart = m_resEnd + 1;
- m_findPreStart = m_resStart - 1;
- }
- return m_IsFind;
-}
-FX_BOOL CPDF_TextPageFind::FindPrev()
-{
- if (!m_pTextPage) {
- return FALSE;
- }
- m_resArray.RemoveAll();
- if(m_strText.IsEmpty() || m_findPreStart < 0) {
- m_IsFind = FALSE;
- return m_IsFind;
- }
- CPDF_TextPageFind findEngine(m_pTextPage);
- FX_BOOL ret = findEngine.FindFirst(m_findWhat, m_flags);
- if(!ret) {
- m_IsFind = FALSE;
- return m_IsFind;
- }
- int order = -1, MatchedCount = 0;
- while(ret) {
- ret = findEngine.FindNext();
- if(ret) {
- int order1 = findEngine.GetCurOrder() ;
- int MatchedCount1 = findEngine.GetMatchedCount();
- if(((order1 + MatchedCount1) - 1) > m_findPreStart) {
- break;
- }
- order = order1;
- MatchedCount = MatchedCount1;
- }
- }
- if(order == -1) {
- m_IsFind = FALSE;
- return m_IsFind;
- }
- m_resStart = m_pTextPage->TextIndexFromCharIndex(order);
- m_resEnd = m_pTextPage->TextIndexFromCharIndex(order + MatchedCount - 1);
- m_IsFind = TRUE;
- m_pTextPage->GetRectArray(order, MatchedCount, m_resArray);
- if(m_flags & FPDFTEXT_CONSECUTIVE) {
- m_findNextStart = m_resStart + 1;
- m_findPreStart = m_resEnd - 1;
- } else {
- m_findNextStart = m_resEnd + 1;
- m_findPreStart = m_resStart - 1;
- }
- return m_IsFind;
-}
-void CPDF_TextPageFind::ExtractFindWhat(CFX_WideString findwhat)
-{
- if(findwhat.IsEmpty()) {
- return ;
- }
- int index = 0;
- while(1) {
- CFX_WideString csWord = TEXT_EMPTY;
- int ret = ExtractSubString(csWord, findwhat, index, TEXT_BLANK_CHAR);
- if(csWord.IsEmpty()) {
- if(ret) {
- m_csFindWhatArray.Add(CFX_WideString(L""));
- index++;
- continue;
- } else {
- break;
- }
- }
- int pos = 0;
- FX_BOOL bLastIgnore = FALSE;
- while(pos < csWord.GetLength()) {
- CFX_WideString curStr = csWord.Mid(pos, 1);
- FX_WCHAR curChar = csWord.GetAt(pos);
- if (_IsIgnoreSpaceCharacter(curChar)) {
- if (pos > 0 && curChar == 0x2019) {
- pos++;
- continue;
- }
- if (pos > 0 ) {
- CFX_WideString preStr = csWord.Mid(0, pos);
- m_csFindWhatArray.Add(preStr);
- }
- m_csFindWhatArray.Add(curStr);
- if (pos == csWord.GetLength() - 1) {
- csWord.Empty();
- break;
- }
- csWord = csWord.Right(csWord.GetLength() - pos - 1);
- pos = 0;
- bLastIgnore = TRUE;
- continue;
- } else {
- bLastIgnore = FALSE;
- }
- pos++;
- }
- if (!csWord.IsEmpty()) {
- m_csFindWhatArray.Add(csWord);
- }
- index++;
- }
- return;
-}
-FX_BOOL CPDF_TextPageFind::IsMatchWholeWord(CFX_WideString csPageText, int startPos, int endPos)
-{
- int char_left = 0;
- int char_right = 0;
- int char_count = endPos - startPos + 1;
- if(char_count < 1) {
- return FALSE;
- }
- if (char_count == 1 && csPageText.GetAt(startPos) > 255) {
- return TRUE;
- }
- if(startPos - 1 >= 0 ) {
- char_left = csPageText.GetAt(startPos - 1);
- }
- if(startPos + char_count < csPageText.GetLength()) {
- char_right = csPageText.GetAt(startPos + char_count);
- }
- if(char_left == 0x61) {
- int a = 0;
- }
- if ((char_left > 'A' && char_left < 'a') || (char_left > 'a' && char_left < 'z') || (char_left > 0xfb00 && char_left < 0xfb06) || (char_left >= '0' && char_left <= '9') ||
- (char_right > 'A' && char_right < 'a') || (char_right > 'a' && char_right < 'z') || (char_right > 0xfb00 && char_right < 0xfb06) || (char_right >= '0' && char_right <= '9')) {
- return FALSE;
- }
- if(!(('A' > char_left || char_left > 'Z') && ('a' > char_left || char_left > 'z')
- && ('A' > char_right || char_right > 'Z') && ('a' > char_right || char_right > 'z'))) {
- return FALSE;
- }
- if (char_count > 0) {
- if (csPageText.GetAt(startPos) >= L'0' && csPageText.GetAt(startPos) <= L'9' && char_left >= L'0' && char_left <= L'9') {
- return FALSE;
- }
- if (csPageText.GetAt(endPos) >= L'0' && csPageText.GetAt(endPos) <= L'9' && char_right >= L'0' && char_right <= L'9') {
- return FALSE;
- }
- }
- return TRUE;
-}
-FX_BOOL CPDF_TextPageFind::ExtractSubString(CFX_WideString& rString, FX_LPCWSTR lpszFullString,
- int iSubString, FX_WCHAR chSep)
-{
- if (lpszFullString == NULL) {
- return FALSE;
- }
- while (iSubString--) {
- lpszFullString = FXSYS_wcschr(lpszFullString, chSep);
- if (lpszFullString == NULL) {
- rString.Empty();
- return FALSE;
- }
- lpszFullString++;
- while(*lpszFullString == chSep) {
- lpszFullString++;
- }
- }
- FX_LPCWSTR lpchEnd = FXSYS_wcschr(lpszFullString, chSep);
- int nLen = (lpchEnd == NULL) ?
- (int)FXSYS_wcslen(lpszFullString) : (int)(lpchEnd - lpszFullString);
- ASSERT(nLen >= 0);
- FXSYS_memcpy32(rString.GetBuffer(nLen), lpszFullString, nLen * sizeof(FX_WCHAR));
- rString.ReleaseBuffer();
- return TRUE;
-}
-CFX_WideString CPDF_TextPageFind::MakeReverse(const CFX_WideString str)
-{
- CFX_WideString str2;
- str2.Empty();
- int nlen = str.GetLength();
- for(int i = nlen - 1; i >= 0; i--) {
- str2 += str.GetAt(i);
- }
- return str2;
-}
-void CPDF_TextPageFind::GetRectArray(CFX_RectArray& rects) const
-{
- rects.Copy(m_resArray);
-}
-int CPDF_TextPageFind::GetCurOrder() const
-{
- return GetCharIndex(m_resStart);
-}
-int CPDF_TextPageFind::GetMatchedCount()const
-{
- int resStart = GetCharIndex(m_resStart);
- int resEnd = GetCharIndex(m_resEnd);
- return resEnd - resStart + 1;
-}
-CPDF_LinkExtract::CPDF_LinkExtract()
- : m_pTextPage(NULL),
- m_IsParserd(FALSE)
-{
-}
-CPDF_LinkExtract::~CPDF_LinkExtract()
-{
- DeleteLinkList();
-}
-FX_BOOL CPDF_LinkExtract::ExtractLinks(const IPDF_TextPage* pTextPage)
-{
- if (!pTextPage || !pTextPage->IsParsered()) {
- return FALSE;
- }
- m_pTextPage = (const CPDF_TextPage*)pTextPage;
- m_strPageText = m_pTextPage->GetPageText(0, -1);
- DeleteLinkList();
- if (m_strPageText.IsEmpty()) {
- return FALSE;
- }
- parserLink();
- m_IsParserd = TRUE;
- return TRUE;
-}
-void CPDF_LinkExtract::DeleteLinkList()
-{
- while (m_LinkList.GetSize()) {
- CPDF_LinkExt* linkinfo = NULL;
- linkinfo = m_LinkList.GetAt(0);
- m_LinkList.RemoveAt(0);
- delete linkinfo;
- }
- m_LinkList.RemoveAll();
-}
-int CPDF_LinkExtract::CountLinks() const
-{
- if (!m_IsParserd) {
- return -1;
- }
- return m_LinkList.GetSize();
-}
-void CPDF_LinkExtract::parserLink()
-{
- int start = 0, pos = 0;
- int TotalChar = m_pTextPage->CountChars();
- while (pos < TotalChar) {
- FPDF_CHAR_INFO pageChar;
- m_pTextPage->GetCharInfo(pos, pageChar);
- if (pageChar.m_Flag == CHAR_GENERATED || pageChar.m_Unicode == 0x20 || pos == TotalChar - 1) {
- int nCount = pos - start;
- if(pos == TotalChar - 1) {
- nCount++;
- }
- CFX_WideString strBeCheck;
- strBeCheck = m_pTextPage->GetPageText(start, nCount);
- if (strBeCheck.GetLength() > 5) {
- while(strBeCheck.GetLength() > 0) {
- FX_WCHAR ch = strBeCheck.GetAt(strBeCheck.GetLength() - 1);
- if (ch == L')' || ch == L',' || ch == L'>' || ch == L'.') {
- strBeCheck = strBeCheck.Mid(0, strBeCheck.GetLength() - 1);
- nCount--;
- } else {
- break;
- }
- }
- if (nCount > 5 && (CheckWebLink(strBeCheck) || CheckMailLink(strBeCheck))) {
- if (!AppendToLinkList(start, nCount, strBeCheck)) {
- break;
- }
- }
- }
- start = ++pos;
- } else {
- pos++;
- }
- }
-}
-FX_BOOL CPDF_LinkExtract::CheckWebLink(CFX_WideString& strBeCheck)
-{
- CFX_WideString str = strBeCheck;
- str.MakeLower();
- if (str.Find(L"http://www.") != -1) {
- strBeCheck = strBeCheck.Right(str.GetLength() - str.Find(L"http://www."));
- return TRUE;
- } else if (str.Find(L"http://") != -1) {
- strBeCheck = strBeCheck.Right(str.GetLength() - str.Find(L"http://"));
- return TRUE;
- } else if (str.Find(L"https://www.") != -1) {
- strBeCheck = strBeCheck.Right(str.GetLength() - str.Find(L"https://www."));
- return TRUE;
- } else if (str.Find(L"https://") != -1) {
- strBeCheck = strBeCheck.Right(str.GetLength() - str.Find(L"https://"));
- return TRUE;
- } else if (str.Find(L"www.") != -1) {
- strBeCheck = strBeCheck.Right(str.GetLength() - str.Find(L"www."));
- strBeCheck = L"http://" + strBeCheck;
- return TRUE;
- } else {
- return FALSE;
- }
-}
-FX_BOOL CPDF_LinkExtract::CheckMailLink(CFX_WideString& str)
-{
- str.MakeLower();
- int aPos = str.Find(L'@');
- if (aPos < 1) {
- return FALSE;
- }
- if (str.GetAt(aPos - 1) == L'.' || str.GetAt(aPos - 1) == L'_') {
- return FALSE;
- }
- int i;
- for (i = aPos - 1; i >= 0; i--) {
- FX_WCHAR ch = str.GetAt(i);
- if (ch == L'_' || ch == L'.' || (ch >= L'a' && ch <= L'z') || (ch >= L'0' && ch <= L'9')) {
- continue;
- } else {
- if (i == aPos - 1) {
- return FALSE;
- }
- str = str.Right(str.GetLength() - i - 1);
- break;
- }
- }
- aPos = str.Find(L'@');
- if (aPos < 1) {
- return FALSE;
- }
- CFX_WideString strtemp = L"";
- for (i = 0; i < aPos; i++) {
- FX_WCHAR wch = str.GetAt(i);
- if (wch >= L'a' && wch <= L'z') {
- break;
- } else {
- strtemp = str.Right(str.GetLength() - i + 1);
- }
- }
- if (strtemp != L"") {
- str = strtemp;
- }
- aPos = str.Find(L'@');
- if (aPos < 1) {
- return FALSE;
- }
- str.TrimRight(L'.');
- strtemp = str;
- int ePos = str.Find(L'.');
- if (ePos == -1) {
- return FALSE;
- }
- while (ePos != -1) {
- strtemp = strtemp.Right(strtemp.GetLength() - ePos - 1);
- ePos = strtemp.Find('.');
- }
- ePos = strtemp.GetLength();
- for (i = 0; i < ePos; i++) {
- FX_WCHAR wch = str.GetAt(i);
- if ((wch >= L'a' && wch <= L'z') || (wch >= L'0' && wch <= L'9')) {
- continue;
- } else {
- str = str.Left(str.GetLength() - ePos + i + 1);
- ePos = ePos - i - 1;
- break;
- }
- }
- int nLen = str.GetLength();
- for (i = aPos + 1; i < nLen - ePos; i++) {
- FX_WCHAR wch = str.GetAt(i);
- if (wch == L'-' || wch == L'.' || (wch >= L'a' && wch <= L'z') || (wch >= L'0' && wch <= L'9')) {
- continue;
- } else {
- return FALSE;
- }
- }
- if (str.Find(L"mailto:") == -1) {
- str = L"mailto:" + str;
- }
- return TRUE;
-}
-FX_BOOL CPDF_LinkExtract::AppendToLinkList(int start, int count, CFX_WideString strUrl)
-{
- CPDF_LinkExt* linkInfo = NULL;
- linkInfo = FX_NEW CPDF_LinkExt;
- if (!linkInfo) {
- return FALSE;
- }
- linkInfo->m_strUrl = strUrl;
- linkInfo->m_Start = start;
- linkInfo->m_Count = count;
- m_LinkList.Add(linkInfo);
- return TRUE;
-}
-CFX_WideString CPDF_LinkExtract::GetURL(int index) const
-{
- if (!m_IsParserd || index < 0 || index >= m_LinkList.GetSize()) {
- return L"";
- }
- CPDF_LinkExt* link = NULL;
- link = m_LinkList.GetAt(index);
- if (!link) {
- return L"";
- }
- return link->m_strUrl;
-}
-void CPDF_LinkExtract::GetBoundedSegment(int index, int& start, int& count) const
-{
- if (!m_IsParserd || index < 0 || index >= m_LinkList.GetSize()) {
- return ;
- }
- CPDF_LinkExt* link = NULL;
- link = m_LinkList.GetAt(index);
- if (!link) {
- return ;
- }
- start = link->m_Start;
- count = link->m_Count;
-}
-void CPDF_LinkExtract::GetRects(int index, CFX_RectArray& rects) const
-{
- if (!m_IsParserd || index < 0 || index >= m_LinkList.GetSize()) {
- return;
- }
- CPDF_LinkExt* link = NULL;
- link = m_LinkList.GetAt(index);
- if (!link) {
- return ;
- }
- m_pTextPage->GetRectArray(link->m_Start, link->m_Count, rects);
-}
+// 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 "../../include/fpdfapi/fpdf_resource.h" +#include "../../include/fpdfapi/fpdf_pageobj.h" +#include "../../include/fpdftext/fpdf_text.h" +#include "../../include/fpdfapi/fpdf_page.h" +#include "../../include/fpdfapi/fpdf_module.h" +#include <ctype.h> +#include "text_int.h" +FX_BOOL _IsIgnoreSpaceCharacter(FX_WCHAR curChar) +{ + if(curChar < 255 ) { + return FALSE; + } + if ( (curChar >= 0x0600 && curChar <= 0x06FF) + || (curChar >= 0xFE70 && curChar <= 0xFEFF) + || (curChar >= 0xFB50 && curChar <= 0xFDFF) + || (curChar >= 0x0400 && curChar <= 0x04FF) + || (curChar >= 0x0500 && curChar <= 0x052F) + || (curChar >= 0xA640 && curChar <= 0xA69F) + || (curChar >= 0x2DE0 && curChar <= 0x2DFF) + || curChar == 8467 + || (curChar >= 0x2000 && curChar <= 0x206F)) { + return FALSE; + } + return TRUE; +} +CPDFText_ParseOptions::CPDFText_ParseOptions() + : m_bGetCharCodeOnly(FALSE), m_bNormalizeObjs(TRUE), m_bOutputHyphen(FALSE) +{ +} +IPDF_TextPage* IPDF_TextPage::CreateTextPage(const CPDF_Page* pPage, CPDFText_ParseOptions ParserOptions) +{ + CPDF_TextPage* pTextPageEx = FX_NEW CPDF_TextPage(pPage, ParserOptions); + return pTextPageEx; +} +IPDF_TextPage* IPDF_TextPage::CreateTextPage(const CPDF_Page* pPage, int flags) +{ + CPDF_TextPage* pTextPage = FX_NEW CPDF_TextPage(pPage, flags); + return pTextPage; +} +IPDF_TextPage* IPDF_TextPage::CreateTextPage(const CPDF_PageObjects* pObjs, int flags) +{ + CPDF_TextPage* pTextPage = FX_NEW CPDF_TextPage(pObjs, flags); + return pTextPage; +} +IPDF_TextPageFind* IPDF_TextPageFind::CreatePageFind(const IPDF_TextPage* pTextPage) +{ + if (!pTextPage) { + return NULL; + } + return FX_NEW CPDF_TextPageFind(pTextPage); +} +IPDF_LinkExtract* IPDF_LinkExtract::CreateLinkExtract() +{ + return FX_NEW CPDF_LinkExtract(); +} +#define TEXT_BLANK_CHAR L' ' +#define TEXT_LINEFEED_CHAR L'\n' +#define TEXT_RETURN_CHAR L'\r' +#define TEXT_EMPTY L"" +#define TEXT_BLANK L" " +#define TEXT_RETURN_LINEFEED L"\r\n" +#define TEXT_LINEFEED L"\n" +#define TEXT_CHARRATIO_GAPDELTA 0.070 +CPDF_TextPage::CPDF_TextPage(const CPDF_Page* pPage, int flags) + : m_pPreTextObj(NULL), + m_IsParsered(FALSE), + m_charList(512), + m_TempCharList(50), + m_TextlineDir(-1), + m_CurlineRect(0, 0, 0, 0) +{ + m_pPage = pPage; + m_parserflag = flags; + m_TextBuf.EstimateSize(0, 10240); + pPage->GetDisplayMatrix(m_DisplayMatrix, 0, 0, (int) pPage->GetPageWidth(), (int)pPage->GetPageHeight(), 0); +} +CPDF_TextPage::CPDF_TextPage(const CPDF_Page* pPage, CPDFText_ParseOptions ParserOptions) + : m_pPreTextObj(NULL) + , m_IsParsered(FALSE) + , m_charList(512) + , m_TempCharList(50) + , m_TextlineDir(-1) + , m_CurlineRect(0, 0, 0, 0) + , m_ParseOptions(ParserOptions) +{ + m_pPage = pPage; + m_parserflag = 0; + m_TextBuf.EstimateSize(0, 10240); + pPage->GetDisplayMatrix(m_DisplayMatrix, 0, 0, (int) pPage->GetPageWidth(), (int)pPage->GetPageHeight(), 0); +} +CPDF_TextPage::CPDF_TextPage(const CPDF_PageObjects* pPage, int flags) + : m_pPreTextObj(NULL), + m_IsParsered(FALSE), + m_charList(512), + m_TempCharList(50), + m_TextlineDir(-1), + m_CurlineRect(0, 0, 0, 0) +{ + m_pPage = pPage; + m_parserflag = flags; + m_TextBuf.EstimateSize(0, 10240); + CFX_FloatRect pageRect = pPage->CalcBoundingBox(); + m_DisplayMatrix = CFX_AffineMatrix(1, 0, 0, -1, pageRect.right, pageRect.top); +} +void CPDF_TextPage::NormalizeObjects(FX_BOOL bNormalize) +{ + m_ParseOptions.m_bNormalizeObjs = bNormalize; +} +FX_BOOL CPDF_TextPage::IsControlChar(PAGECHAR_INFO* pCharInfo) +{ + if(!pCharInfo) { + return FALSE; + } + switch(pCharInfo->m_Unicode) { + case 0x2: + case 0x3: + case 0x93: + case 0x94: + case 0x96: + case 0x97: + case 0x98: + case 0xfffe: + if(pCharInfo->m_Flag == FPDFTEXT_CHAR_HYPHEN) { + return FALSE; + } else { + return TRUE; + } + default: + return FALSE; + } +} +FX_BOOL CPDF_TextPage::ParseTextPage() +{ + if (!m_pPage) { + m_IsParsered = FALSE; + return FALSE; + } + m_IsParsered = FALSE; + m_TextBuf.Clear(); + m_charList.RemoveAll(); + m_pPreTextObj = NULL; + ProcessObject(); + m_IsParsered = TRUE; + if(!m_ParseOptions.m_bGetCharCodeOnly) { + m_CharIndex.RemoveAll(); + int nCount = m_charList.GetSize(); + if(nCount) { + m_CharIndex.Add(0); + } + for(int i = 0; i < nCount; i++) { + int indexSize = m_CharIndex.GetSize(); + FX_BOOL bNormal = FALSE; + PAGECHAR_INFO charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(i); + if(charinfo.m_Flag == FPDFTEXT_CHAR_GENERATED) { + bNormal = TRUE; + } +#ifdef FOXIT_CHROME_BUILD + else if(charinfo.m_Unicode == 0 || IsControlChar(&charinfo)) +#else + else if(charinfo.m_Unicode == 0) +#endif + bNormal = FALSE; + else { + bNormal = TRUE; + } + if(bNormal) { + if(indexSize % 2) { + m_CharIndex.Add(1); + } else { + if(indexSize <= 0) { + continue; + } + m_CharIndex.SetAt(indexSize - 1, m_CharIndex.GetAt(indexSize - 1) + 1); + } + } else { + if(indexSize % 2) { + if(indexSize <= 0) { + continue; + } + m_CharIndex.SetAt(indexSize - 1, i + 1); + } else { + m_CharIndex.Add(i + 1); + } + } + } + int indexSize = m_CharIndex.GetSize(); + if(indexSize % 2) { + m_CharIndex.RemoveAt(indexSize - 1); + } + } + return TRUE; +} +int CPDF_TextPage::CountChars() const +{ + if(m_ParseOptions.m_bGetCharCodeOnly) { + return m_TextBuf.GetSize(); + } + return m_charList.GetSize(); +} +int CPDF_TextPage::CharIndexFromTextIndex(int TextIndex) const +{ + int indexSize = m_CharIndex.GetSize(); + int count = 0; + for(int i = 0; i < indexSize; i += 2) { + count += m_CharIndex.GetAt(i + 1); + if(count > TextIndex) { + return TextIndex - count + m_CharIndex.GetAt(i + 1) + m_CharIndex.GetAt(i); + } + } + return -1; +} +int CPDF_TextPage::TextIndexFromCharIndex(int CharIndex) const +{ + int indexSize = m_CharIndex.GetSize(); + int count = 0; + for(int i = 0; i < indexSize; i += 2) { + count += m_CharIndex.GetAt(i + 1); + if(m_CharIndex.GetAt(i + 1) + m_CharIndex.GetAt(i) > CharIndex) { + if(CharIndex - m_CharIndex.GetAt(i) < 0) { + return -1; + } + return CharIndex - m_CharIndex.GetAt(i) + count - m_CharIndex.GetAt(i + 1); + } + } + return -1; +} +void CPDF_TextPage::GetRectArray(int start, int nCount, CFX_RectArray& rectArray) const +{ + if(m_ParseOptions.m_bGetCharCodeOnly) { + return; + } + if(start < 0 || nCount == 0) { + return; + } + if (!m_IsParsered) { + return; + } + PAGECHAR_INFO info_curchar; + CPDF_TextObject* pCurObj = NULL; + CFX_FloatRect rect; + int curPos = start; + FX_BOOL flagNewRect = TRUE; + if (nCount + start > m_charList.GetSize() || nCount == -1) { + nCount = m_charList.GetSize() - start; + } + while (nCount--) { + info_curchar = *(PAGECHAR_INFO*)m_charList.GetAt(curPos++); + if (info_curchar.m_Flag == FPDFTEXT_CHAR_GENERATED) { + continue; + } + if(info_curchar.m_CharBox.Width() < 0.01 || info_curchar.m_CharBox.Height() < 0.01) { + continue; + } + if(!pCurObj) { + pCurObj = info_curchar.m_pTextObj; + } + if (pCurObj != info_curchar.m_pTextObj) { + rectArray.Add(rect); + pCurObj = info_curchar.m_pTextObj; + flagNewRect = TRUE; + } + if (flagNewRect) { + FX_FLOAT orgX = info_curchar.m_OriginX, orgY = info_curchar.m_OriginY; + CFX_AffineMatrix matrix, matrix_reverse; + info_curchar.m_pTextObj->GetTextMatrix(&matrix); + matrix.Concat(info_curchar.m_Matrix); + matrix_reverse.SetReverse(matrix); + matrix_reverse.Transform(orgX, orgY); + rect.left = info_curchar.m_CharBox.left; + rect.right = info_curchar.m_CharBox.right; + if (pCurObj->GetFont()->GetTypeDescent()) { + rect.bottom = orgY + pCurObj->GetFont()->GetTypeDescent() * pCurObj->GetFontSize() / 1000; + FX_FLOAT xPosTemp = orgX; + matrix.Transform(xPosTemp, rect.bottom); + } else { + rect.bottom = info_curchar.m_CharBox.bottom; + } + if (pCurObj->GetFont()->GetTypeAscent()) { + rect.top = orgY + pCurObj->GetFont()->GetTypeAscent() * pCurObj->GetFontSize() / 1000; + FX_FLOAT xPosTemp = orgX + GetCharWidth(info_curchar.m_CharCode, pCurObj->GetFont()) * pCurObj->GetFontSize() / 1000; + matrix.Transform(xPosTemp, rect.top); + } else { + rect.top = info_curchar.m_CharBox.top; + } + flagNewRect = FALSE; + rect = info_curchar.m_CharBox; + rect.Normalize(); + } else { + info_curchar.m_CharBox.Normalize(); + if (rect.left > info_curchar.m_CharBox.left) { + rect.left = info_curchar.m_CharBox.left; + } + if (rect.right < info_curchar.m_CharBox.right) { + rect.right = info_curchar.m_CharBox.right; + } + if ( rect.top < info_curchar.m_CharBox.top) { + rect.top = info_curchar.m_CharBox.top; + } + if (rect.bottom > info_curchar.m_CharBox.bottom) { + rect.bottom = info_curchar.m_CharBox.bottom; + } + } + } + rectArray.Add(rect); + return; +} +int CPDF_TextPage::GetIndexAtPos(CPDF_Point point , FX_FLOAT xTorelance, FX_FLOAT yTorelance) const +{ + if(m_ParseOptions.m_bGetCharCodeOnly) { + return -3; + } + if (!m_IsParsered) { + return -3; + } + FX_FLOAT distance = 0; + int pos = 0; + int NearPos = -1; + double xdif = 5000, ydif = 5000; + while(pos < m_charList.GetSize()) { + PAGECHAR_INFO charinfo = *(PAGECHAR_INFO*)(m_charList.GetAt(pos)); + CFX_FloatRect charrect = charinfo.m_CharBox; + if (charrect.Contains(point.x, point.y)) { + break; + } + if (xTorelance > 0 || yTorelance > 0) { + CFX_FloatRect charRectExt; + charrect.Normalize(); + charRectExt.left = charrect.left - xTorelance / 2; + charRectExt.right = charrect.right + xTorelance / 2; + charRectExt.top = charrect.top + yTorelance / 2; + charRectExt.bottom = charrect.bottom - yTorelance / 2; + if (charRectExt.Contains(point.x, point.y)) { + double curXdif, curYdif; + curXdif = FXSYS_fabs(point.x - charrect.left) < FXSYS_fabs(point.x - charrect.right) ? FXSYS_fabs(point.x - charrect.left) : FXSYS_fabs(point.x - charrect.right); + curYdif = FXSYS_fabs(point.y - charrect.bottom) < FXSYS_fabs(point.y - charrect.top ) ? FXSYS_fabs(point.y - charrect.bottom) : FXSYS_fabs(point.y - charrect.top); + if (curYdif + curXdif < xdif + ydif) { + ydif = curYdif; + xdif = curXdif; + NearPos = pos; + } + } + } + ++pos; + } + if (pos >= m_charList.GetSize()) { + pos = NearPos; + } + return pos; +} +CFX_WideString CPDF_TextPage::GetTextByRect(CFX_FloatRect rect) const +{ + CFX_WideString strText; + if(m_ParseOptions.m_bGetCharCodeOnly || !m_IsParsered) { + return strText; + } + int nCount = m_charList.GetSize(); + int pos = 0; + FX_FLOAT posy = 0; + FX_BOOL IsContainPreChar = FALSE; + FX_BOOL ISAddLineFeed = FALSE; + while (pos < nCount) { + PAGECHAR_INFO charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(pos++); + if (IsRectIntersect(rect, charinfo.m_CharBox)) { + if (FXSYS_fabs(posy - charinfo.m_OriginY) > 0 && !IsContainPreChar && ISAddLineFeed) { + posy = charinfo.m_OriginY; + if (strText.GetLength() > 0) { + strText += L"\r\n"; + } + } + IsContainPreChar = TRUE; + ISAddLineFeed = FALSE; + if (charinfo.m_Unicode) { + strText += charinfo.m_Unicode; + } + } else if (charinfo.m_Unicode == 32) { + if (IsContainPreChar && charinfo.m_Unicode) { + strText += charinfo.m_Unicode; + IsContainPreChar = FALSE; + ISAddLineFeed = FALSE; + } + } else { + IsContainPreChar = FALSE; + ISAddLineFeed = TRUE; + } + } + return strText; +} +void CPDF_TextPage::GetRectsArrayByRect(CFX_FloatRect rect, CFX_RectArray& resRectArray) const +{ + if(m_ParseOptions.m_bGetCharCodeOnly) { + return; + } + if (!m_IsParsered) { + return; + } + CFX_FloatRect curRect; + FX_BOOL flagNewRect = TRUE; + CPDF_TextObject* pCurObj = NULL; + int nCount = m_charList.GetSize(); + int pos = 0; + while (pos < nCount) { + PAGECHAR_INFO info_curchar = *(PAGECHAR_INFO*)m_charList.GetAt(pos++); + if (info_curchar.m_Flag == FPDFTEXT_CHAR_GENERATED) { + continue; + } + if(pos == 494) { + int a = 0; + } + if (IsRectIntersect(rect, info_curchar.m_CharBox)) { + if(!pCurObj) { + pCurObj = info_curchar.m_pTextObj; + } + if (pCurObj != info_curchar.m_pTextObj) { + resRectArray.Add(curRect); + pCurObj = info_curchar.m_pTextObj; + flagNewRect = TRUE; + } + if (flagNewRect) { + curRect = info_curchar.m_CharBox; + flagNewRect = FALSE; + curRect.Normalize(); + } else { + info_curchar.m_CharBox.Normalize(); + if (curRect.left > info_curchar.m_CharBox.left) { + curRect.left = info_curchar.m_CharBox.left; + } + if (curRect.right < info_curchar.m_CharBox.right) { + curRect.right = info_curchar.m_CharBox.right; + } + if ( curRect.top < info_curchar.m_CharBox.top) { + curRect.top = info_curchar.m_CharBox.top; + } + if (curRect.bottom > info_curchar.m_CharBox.bottom) { + curRect.bottom = info_curchar.m_CharBox.bottom; + } + } + } + } + resRectArray.Add(curRect); + return; +} +int CPDF_TextPage::GetIndexAtPos(FX_FLOAT x, FX_FLOAT y, FX_FLOAT xTorelance, FX_FLOAT yTorelance) const +{ + if(m_ParseOptions.m_bGetCharCodeOnly) { + return -3; + } + CPDF_Point point(x, y); + return GetIndexAtPos(point, xTorelance, yTorelance); +} +int CPDF_TextPage::GetOrderByDirection(int order, int direction) const +{ + if(m_ParseOptions.m_bGetCharCodeOnly) { + return -3; + } + if (!m_IsParsered) { + return -3; + } + if (direction == FPDFTEXT_RIGHT || direction == FPDFTEXT_LEFT) { + order += direction; + while(order >= 0 && order < m_charList.GetSize()) { + PAGECHAR_INFO cinfo = *(PAGECHAR_INFO*)m_charList.GetAt(order); + if (cinfo.m_Flag != FPDFTEXT_CHAR_GENERATED) { + break; + } else { + if (cinfo.m_Unicode == TEXT_LINEFEED_CHAR || cinfo.m_Unicode == TEXT_RETURN_CHAR) { + order += direction; + } else { + break; + } + } + } + if (order >= m_charList.GetSize()) { + order = -2; + } + return order; + } + PAGECHAR_INFO charinfo; + charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(order); + CPDF_Point curPos(charinfo.m_OriginX, charinfo.m_OriginY); + FX_FLOAT difPosY = 0.0, minXdif = 1000; + int minIndex = -2; + int index = order; + FX_FLOAT height = charinfo.m_CharBox.Height(); + if (direction == FPDFTEXT_UP) { + minIndex = -1; + while (1) { + if (--index < 0) { + return -1; + } + charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(index); + if (FXSYS_fabs(charinfo.m_OriginY - curPos.y) > FX_MAX(height, charinfo.m_CharBox.Height()) / 2) { + difPosY = charinfo.m_OriginY; + minIndex = index; + break; + } + } + FX_FLOAT PreXdif = charinfo.m_OriginX - curPos.x; + minXdif = PreXdif; + if (PreXdif == 0) { + return index; + } + FX_FLOAT curXdif = 0; + while (--index >= 0) { + charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(index); + if (difPosY != charinfo.m_OriginY) { + break; + } + curXdif = charinfo.m_OriginX - curPos.x; + if (curXdif == 0) { + return index; + } + int signflag = 0; + if (curXdif > 0) { + signflag = 1; + } else { + signflag = -1; + } + if (signflag * PreXdif < 0) { + if (FXSYS_fabs(PreXdif) < FXSYS_fabs(curXdif)) { + return index + 1; + } else { + return index; + } + } + if (FXSYS_fabs(curXdif) < FXSYS_fabs(minXdif)) { + minIndex = index; + minXdif = curXdif; + } + PreXdif = curXdif; + if (difPosY != charinfo.m_OriginY) { + break; + } + } + return minIndex; + } else if(FPDFTEXT_DOWN) { + minIndex = -2; + while (1) { + if (++index > m_charList.GetSize() - 1) { + return minIndex; + } + charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(index); + if (FXSYS_fabs(charinfo.m_OriginY - curPos.y) > FX_MAX(height, charinfo.m_CharBox.Height()) / 2) { + difPosY = charinfo.m_OriginY; + minIndex = index; + break; + } + } + FX_FLOAT PreXdif = charinfo.m_OriginX - curPos.x; + minXdif = PreXdif; + if (PreXdif == 0) { + return index; + } + FX_FLOAT curXdif = 0; + while (++index < m_charList.GetSize()) { + charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(index); + if (difPosY != charinfo.m_OriginY) { + break; + } + curXdif = charinfo.m_OriginX - curPos.x; + if (curXdif == 0) { + return index; + } + int signflag = 0; + if (curXdif > 0) { + signflag = 1; + } else { + signflag = -1; + } + if (signflag * PreXdif < 0) { + if (FXSYS_fabs(PreXdif) < FXSYS_fabs(curXdif)) { + return index - 1; + } else { + return index; + } + } + if (FXSYS_fabs(curXdif) < FXSYS_fabs(minXdif)) { + minXdif = curXdif; + minIndex = index; + } + PreXdif = curXdif; + } + return minIndex; + } +} +void CPDF_TextPage::GetCharInfo(int index, FPDF_CHAR_INFO & info) const +{ + if(m_ParseOptions.m_bGetCharCodeOnly) { + return; + } + if (!m_IsParsered) { + return; + } + if (index < 0 || index >= m_charList.GetSize()) { + return; + } + PAGECHAR_INFO charinfo; + charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(index); + info.m_Charcode = charinfo.m_CharCode; + info.m_OriginX = charinfo.m_OriginX; + info.m_OriginY = charinfo.m_OriginY; + info.m_Unicode = charinfo.m_Unicode; + info.m_Flag = charinfo.m_Flag; + info.m_CharBox = charinfo.m_CharBox; + info.m_pTextObj = charinfo.m_pTextObj; + if (charinfo.m_pTextObj && charinfo.m_pTextObj->GetFont()) { + info.m_FontSize = charinfo.m_pTextObj->GetFontSize(); + } + info.m_Matrix.Copy(charinfo.m_Matrix); + return; +} +void CPDF_TextPage::CheckMarkedContentObject(FX_INT32& start, FX_INT32& nCount) const +{ + PAGECHAR_INFO charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(start); + PAGECHAR_INFO charinfo2 = *(PAGECHAR_INFO*)m_charList.GetAt(start + nCount - 1); + if (FPDFTEXT_CHAR_PIECE != charinfo.m_Flag && FPDFTEXT_CHAR_PIECE != charinfo2.m_Flag) { + return; + } + if (FPDFTEXT_CHAR_PIECE == charinfo.m_Flag) { + PAGECHAR_INFO charinfo1 = charinfo; + int startIndex = start; + while(FPDFTEXT_CHAR_PIECE == charinfo1.m_Flag && charinfo1.m_Index == charinfo.m_Index) { + startIndex--; + if (startIndex < 0) { + break; + } + charinfo1 = *(PAGECHAR_INFO*)m_charList.GetAt(startIndex); + } + startIndex++; + start = startIndex; + } + if (FPDFTEXT_CHAR_PIECE == charinfo2.m_Flag) { + PAGECHAR_INFO charinfo3 = charinfo2; + int endIndex = start + nCount - 1; + while(FPDFTEXT_CHAR_PIECE == charinfo3.m_Flag && charinfo3.m_Index == charinfo2.m_Index) { + endIndex++; + if (endIndex >= m_charList.GetSize()) { + break; + } + charinfo3 = *(PAGECHAR_INFO*)m_charList.GetAt(endIndex); + } + endIndex--; + nCount = endIndex - start + 1; + } +} +CFX_WideString CPDF_TextPage::GetPageText(int start , int nCount) const +{ + if (!m_IsParsered || nCount == 0) { + return L""; + } + if (start < 0) { + start = 0; + } + if (nCount == -1) { + nCount = m_charList.GetSize() - start; + return m_TextBuf.GetWideString().Mid(start, m_TextBuf.GetWideString().GetLength()); + } + if(nCount <= 0 || m_charList.GetSize() <= 0) { + return L""; + } + if(nCount + start > m_charList.GetSize() - 1) { + nCount = m_charList.GetSize() - start; + } + if (nCount <= 0) { + return L""; + } + CheckMarkedContentObject(start, nCount); + int startindex = 0; + PAGECHAR_INFO charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(start); + int startOffset = 0; + while(charinfo.m_Index == -1) { + startOffset++; + if (startOffset > nCount || start + startOffset >= m_charList.GetSize()) { + return L""; + } + charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(start + startOffset); + } + startindex = charinfo.m_Index; + charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(start + nCount - 1); + int nCountOffset = 0; + while (charinfo.m_Index == -1) { + nCountOffset++; + if (nCountOffset >= nCount) { + return L""; + } + charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(start + nCount - nCountOffset - 1); + } + nCount = start + nCount - nCountOffset - startindex; + if(nCount <= 0) { + return L""; + } + return m_TextBuf.GetWideString().Mid(startindex, nCount); +} +int CPDF_TextPage::CountRects(int start, int nCount) +{ + if(m_ParseOptions.m_bGetCharCodeOnly) { + return -1; + } + if (!m_IsParsered) { + return -1; + } + if (start < 0) { + return -1; + } + if (nCount == -1 || nCount + start > m_charList.GetSize() ) { + nCount = m_charList.GetSize() - start; + } + m_SelRects.RemoveAll(); + GetRectArray(start, nCount, m_SelRects); + return m_SelRects.GetSize(); +} +void CPDF_TextPage::GetRect(int rectIndex, FX_FLOAT& left, FX_FLOAT& top, FX_FLOAT& right, FX_FLOAT &bottom) const +{ + if(m_ParseOptions.m_bGetCharCodeOnly) { + return ; + } + if (!m_IsParsered || rectIndex < 0 || rectIndex >= m_SelRects.GetSize()) { + return; + } + left = m_SelRects.GetAt(rectIndex).left; + top = m_SelRects.GetAt(rectIndex).top; + right = m_SelRects.GetAt(rectIndex).right; + bottom = m_SelRects.GetAt(rectIndex).bottom; +} +FX_BOOL CPDF_TextPage::GetBaselineRotate(int start, int end, int& Rotate) +{ + if(m_ParseOptions.m_bGetCharCodeOnly) { + return FALSE; + } + if(end == start) { + return FALSE; + } + FX_FLOAT dx, dy; + FPDF_CHAR_INFO info1, info2; + GetCharInfo(start, info1); + GetCharInfo(end, info2); + while(info2.m_CharBox.Width() == 0 || info2.m_CharBox.Height() == 0) { + end--; + if(end <= start) { + return FALSE; + } + GetCharInfo(end, info2); + } + dx = (info2.m_OriginX - info1.m_OriginX); + dy = (info2.m_OriginY - info1.m_OriginY); + if(dx == 0) { + if(dy > 0) { + Rotate = 90; + } else if (dy < 0) { + Rotate = 270; + } else { + Rotate = 0; + } + } else { + float a = FXSYS_atan2(dy, dx); + Rotate = (int)(a * 180 / FX_PI + 0.5); + } + if(Rotate < 0) { + Rotate = -Rotate; + } else if(Rotate > 0) { + Rotate = 360 - Rotate; + } + return TRUE; +} +FX_BOOL CPDF_TextPage::GetBaselineRotate(CFX_FloatRect rect , int& Rotate) +{ + if(m_ParseOptions.m_bGetCharCodeOnly) { + return FALSE; + } + int start, end, count, n = CountBoundedSegments(rect.left, rect.top, rect.right, rect.bottom, TRUE); + if(n < 1) { + return FALSE; + } + if(n > 1) { + GetBoundedSegment(n - 1, start, count); + end = start + count - 1; + GetBoundedSegment(0, start, count); + } else { + GetBoundedSegment(0, start, count); + end = start + count - 1; + } + return GetBaselineRotate(start, end, Rotate); +} +FX_BOOL CPDF_TextPage::GetBaselineRotate(int rectIndex, int& Rotate) +{ + if(m_ParseOptions.m_bGetCharCodeOnly) { + return FALSE; + } + if (!m_IsParsered || rectIndex < 0 || rectIndex > m_SelRects.GetSize()) { + return FALSE; + } + CFX_FloatRect rect = m_SelRects.GetAt(rectIndex); + return GetBaselineRotate(rect , Rotate); +} +int CPDF_TextPage::CountBoundedSegments(FX_FLOAT left, FX_FLOAT top, FX_FLOAT right, FX_FLOAT bottom, FX_BOOL bContains ) +{ + if(m_ParseOptions.m_bGetCharCodeOnly) { + return -1; + } + m_Segment.RemoveAll(); + if (!m_IsParsered) { + return -1; + } + CFX_FloatRect rect(left, bottom, right, top); + rect.Normalize(); + int nCount = m_charList.GetSize(); + int pos = 0; + FPDF_SEGMENT segment; + segment.m_Start = 0; + segment.m_nCount = 0; + FX_BOOL segmentStatus = 0; + FX_BOOL IsContainPreChar = FALSE; + while (pos < nCount) { + if(pos == 493) { + int a = 0; + } + PAGECHAR_INFO charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(pos); + if(bContains && rect.Contains(charinfo.m_CharBox)) { + if (segmentStatus == 0 || segmentStatus == 2) { + segment.m_Start = pos; + segment.m_nCount = 1; + segmentStatus = 1; + } else if (segmentStatus == 1) { + segment.m_nCount++; + } + IsContainPreChar = TRUE; + } else if (!bContains && (IsRectIntersect(rect, charinfo.m_CharBox) || rect.Contains(charinfo.m_OriginX, charinfo.m_OriginY))) { + if (segmentStatus == 0 || segmentStatus == 2) { + segment.m_Start = pos; + segment.m_nCount = 1; + segmentStatus = 1; + } else if (segmentStatus == 1) { + segment.m_nCount++; + } + IsContainPreChar = TRUE; + } else if (charinfo.m_Unicode == 32) { + if (IsContainPreChar == TRUE) { + if (segmentStatus == 0 || segmentStatus == 2) { + segment.m_Start = pos; + segment.m_nCount = 1; + segmentStatus = 1; + } else if (segmentStatus == 1) { + segment.m_nCount++; + } + IsContainPreChar = FALSE; + } else { + if (segmentStatus == 1) { + segmentStatus = 2; + m_Segment.Add(segment); + segment.m_Start = 0; + segment.m_nCount = 0; + } + } + } else { + if (segmentStatus == 1) { + segmentStatus = 2; + m_Segment.Add(segment); + segment.m_Start = 0; + segment.m_nCount = 0; + } + IsContainPreChar = FALSE; + } + pos++; + } + if (segmentStatus == 1) { + segmentStatus = 2; + m_Segment.Add(segment); + segment.m_Start = 0; + segment.m_nCount = 0; + } + return m_Segment.GetSize(); +} +void CPDF_TextPage::GetBoundedSegment(int index, int& start, int& count) const +{ + if(m_ParseOptions.m_bGetCharCodeOnly) { + return ; + } + if (index < 0 || index >= m_Segment.GetSize()) { + return; + } + start = m_Segment.GetAt(index).m_Start; + count = m_Segment.GetAt(index).m_nCount; +} +int CPDF_TextPage::GetWordBreak(int index, int direction) const +{ + if(m_ParseOptions.m_bGetCharCodeOnly) { + return -1; + } + if (!m_IsParsered) { + return -1; + } + if (direction != FPDFTEXT_LEFT && direction != FPDFTEXT_RIGHT) { + return -1; + } + if (index < 0 || index >= m_charList.GetSize()) { + return -1; + } + PAGECHAR_INFO charinfo; + charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(index); + if (charinfo.m_Index == -1 || charinfo.m_Flag == FPDFTEXT_CHAR_GENERATED) { + return index; + } + if (!IsLetter(charinfo.m_Unicode)) { + return index; + } + int breakPos = index; + if (direction == FPDFTEXT_LEFT) { + while (--breakPos > 0) { + charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(breakPos); + if (!IsLetter(charinfo.m_Unicode)) { + return breakPos; + } + } + return breakPos; + } else if (direction == FPDFTEXT_RIGHT) { + while (++breakPos < m_charList.GetSize()) { + charinfo = *(PAGECHAR_INFO*)m_charList.GetAt(breakPos); + if (!IsLetter(charinfo.m_Unicode)) { + return breakPos; + } + } + return breakPos; + } + return breakPos; +} +FX_INT32 CPDF_TextPage::FindTextlineFlowDirection() +{ + if (!m_pPage) { + return -1; + } + const FX_INT32 nPageWidth = (FX_INT32)((CPDF_Page*)m_pPage)->GetPageWidth(); + const FX_INT32 nPageHeight = (FX_INT32)((CPDF_Page*)m_pPage)->GetPageHeight(); + CFX_ByteArray nHorizontalMask; + if (!nHorizontalMask.SetSize(nPageWidth)) { + return -1; + } + FX_BYTE* pDataH = nHorizontalMask.GetData(); + CFX_ByteArray nVerticalMask; + if (!nVerticalMask.SetSize(nPageHeight)) { + return -1; + } + FX_BYTE* pDataV = nVerticalMask.GetData(); + FX_INT32 index = 0; + FX_FLOAT fLineHeight = 0.0f; + CPDF_PageObject* pPageObj = NULL; + FX_POSITION pos = NULL; + pos = m_pPage->GetFirstObjectPosition(); + if(!pos) { + return -1; + } + while(pos) { + pPageObj = m_pPage->GetNextObject(pos); + if(NULL == pPageObj) { + continue; + } + if(PDFPAGE_TEXT != pPageObj->m_Type) { + continue; + } + FX_INT32 minH = (FX_INT32)pPageObj->m_Left < 0 ? 0 : (FX_INT32)pPageObj->m_Left; + FX_INT32 maxH = (FX_INT32)pPageObj->m_Right > nPageWidth ? nPageWidth : (FX_INT32)pPageObj->m_Right; + FX_INT32 minV = (FX_INT32)pPageObj->m_Bottom < 0 ? 0 : (FX_INT32)pPageObj->m_Bottom; + FX_INT32 maxV = (FX_INT32)pPageObj->m_Top > nPageHeight ? nPageHeight : (FX_INT32)pPageObj->m_Top; + if (minH >= maxH || minV >= maxV){ + continue; + } + + FXSYS_memset8(pDataH + minH, 1, maxH - minH); + FXSYS_memset8(pDataV + minV, 1, maxV - minV); + + if (fLineHeight <= 0.0f) { + fLineHeight = pPageObj->m_Top - pPageObj->m_Bottom; + } + + pPageObj = NULL; + } + FX_INT32 nStartH = 0; + FX_INT32 nEndH = 0; + FX_FLOAT nSumH = 0.0f; + for (index = 0; index < nPageWidth; index++) + if(1 == nHorizontalMask[index]) { + break; + } + nStartH = index; + for (index = nPageWidth; index > 0; index--) + if(1 == nHorizontalMask[index - 1]) { + break; + } + nEndH = index; + for (index = nStartH; index < nEndH; index++) { + nSumH += nHorizontalMask[index]; + } + nSumH /= nEndH - nStartH; + FX_INT32 nStartV = 0; + FX_INT32 nEndV = 0; + FX_FLOAT nSumV = 0.0f; + for (index = 0; index < nPageHeight; index++) + if(1 == nVerticalMask[index]) { + break; + } + nStartV = index; + for (index = nPageHeight; index > 0; index--) + if(1 == nVerticalMask[index - 1]) { + break; + } + nEndV = index; + for (index = nStartV; index < nEndV; index++) { + nSumV += nVerticalMask[index]; + } + nSumV /= nEndV - nStartV; + if ((nEndV - nStartV) < (FX_INT32)(2 * fLineHeight)) { + return 0; + } + if ((nEndH - nStartH) < (FX_INT32)(2 * fLineHeight)) { + return 1; + } + if (nSumH > 0.8f) { + return 0; + } + if (nSumH - nSumV > 0.0f) { + return 0; + } + if (nSumV - nSumH > 0.0f) { + return 1; + } + return -1; +} +void CPDF_TextPage::ProcessObject() +{ + CPDF_PageObject* pPageObj = NULL; + if (!m_pPage) { + return; + } + FX_POSITION pos; + pos = m_pPage->GetFirstObjectPosition(); + if (!pos) { + return; + } + m_TextlineDir = FindTextlineFlowDirection(); + int nCount = 0; + while (pos) { + pPageObj = m_pPage->GetNextObject(pos); + if(pPageObj) { + if(pPageObj->m_Type == PDFPAGE_TEXT) { + if (nCount == 3) { + nCount = nCount; + } + CFX_AffineMatrix matrix; + ProcessTextObject((CPDF_TextObject*)pPageObj, matrix, pos); + nCount++; + } else if (pPageObj->m_Type == PDFPAGE_FORM) { + CFX_AffineMatrix formMatrix(1, 0, 0, 1, 0, 0); + ProcessFormObject((CPDF_FormObject*)pPageObj, formMatrix); + } + } + pPageObj = NULL; + } + int count = m_LineObj.GetSize(); + for(int i = 0; i < count; i++) { + ProcessTextObject(m_LineObj.GetAt(i)); + } + m_LineObj.RemoveAll(); + CloseTempLine(); +} +void CPDF_TextPage::ProcessFormObject(CPDF_FormObject* pFormObj, CFX_AffineMatrix formMatrix) +{ + CPDF_PageObject* pPageObj = NULL; + FX_POSITION pos; + if (!pFormObj) { + return; + } + pos = pFormObj->m_pForm->GetFirstObjectPosition(); + if (!pos) { + return; + } + CFX_AffineMatrix curFormMatrix; + curFormMatrix.Copy(pFormObj->m_FormMatrix); + curFormMatrix.Concat(formMatrix); + while (pos) { + pPageObj = pFormObj->m_pForm->GetNextObject(pos); + if(pPageObj) { + if(pPageObj->m_Type == PDFPAGE_TEXT) { + ProcessTextObject((CPDF_TextObject*)pPageObj, curFormMatrix, pos); + } else if (pPageObj->m_Type == PDFPAGE_FORM) { + ProcessFormObject((CPDF_FormObject*)pPageObj, curFormMatrix); + } + } + pPageObj = NULL; + } +} +int CPDF_TextPage::GetCharWidth(FX_DWORD charCode, CPDF_Font* pFont) const +{ + if(charCode == -1) { + return 0; + } + int w = pFont->GetCharWidthF(charCode); + if(w == 0) { + CFX_ByteString str; + pFont->AppendChar(str, charCode); + w = pFont->GetStringWidth(str, 1); + if(w == 0) { + FX_RECT BBox; + pFont->GetCharBBox(charCode, BBox); + w = BBox.right - BBox.left; + } + } + return w; +} +void CPDF_TextPage::OnPiece(IFX_BidiChar* pBidi, CFX_WideString& str) +{ + FX_INT32 start, count; + FX_INT32 ret = pBidi->GetBidiInfo(start, count); + if(ret == 2) { + for(int i = start + count - 1; i >= start; i--) { + m_TextBuf.AppendChar(str.GetAt(i)); + m_charList.Add(*(PAGECHAR_INFO*)m_TempCharList.GetAt(i)); + } + } else { + int end = start + count ; + for(int i = start; i < end; i++) { + m_TextBuf.AppendChar(str.GetAt(i)); + m_charList.Add(*(PAGECHAR_INFO*)m_TempCharList.GetAt(i)); + } + } +} +void CPDF_TextPage::AddCharInfoByLRDirection(CFX_WideString& str, int i) +{ + PAGECHAR_INFO Info = *(PAGECHAR_INFO*)m_TempCharList.GetAt(i); + FX_WCHAR wChar = str.GetAt(i); +#ifdef FOXIT_CHROME_BUILD + if(!IsControlChar(&Info)) { +#else + if(wChar != 0xfffe) { +#endif + Info.m_Index = m_TextBuf.GetLength(); + if (wChar >= 0xFB00 && wChar <= 0xFB06) { + FX_LPWSTR pDst = NULL; + FX_STRSIZE nCount = FX_Unicode_GetNormalization(wChar, pDst); + if (nCount >= 1) { + pDst = FX_Alloc(FX_WCHAR, nCount); + if (!pDst) { + return; + } + FX_Unicode_GetNormalization(wChar, pDst); + for (int nIndex = 0; nIndex < nCount; nIndex++) { + PAGECHAR_INFO Info2 = Info; + Info2.m_Unicode = pDst[nIndex]; + Info2.m_Flag = FPDFTEXT_CHAR_PIECE; + m_TextBuf.AppendChar(Info2.m_Unicode); + if( !m_ParseOptions.m_bGetCharCodeOnly) { + m_charList.Add(Info2); + } + } + FX_Free(pDst); + return; + } + } + m_TextBuf.AppendChar(wChar); + } else { + Info.m_Index = -1; + } + if( !m_ParseOptions.m_bGetCharCodeOnly) { + m_charList.Add(Info); + } +} +void CPDF_TextPage::AddCharInfoByRLDirection(CFX_WideString& str, int i) +{ + PAGECHAR_INFO Info = *(PAGECHAR_INFO*)m_TempCharList.GetAt(i); +#ifdef FOXIT_CHROME_BUILD + if(!IsControlChar(&Info)) { +#else + if(str.GetAt(i) != 0xfffe) { +#endif + Info.m_Index = m_TextBuf.GetLength(); + FX_WCHAR wChar = FX_GetMirrorChar(str.GetAt(i), TRUE, FALSE); + FX_LPWSTR pDst = NULL; + FX_STRSIZE nCount = FX_Unicode_GetNormalization(wChar, pDst); + if (nCount >= 1) { + pDst = FX_Alloc(FX_WCHAR, nCount); + if (!pDst) { + return; + } + FX_Unicode_GetNormalization(wChar, pDst); + for (int nIndex = 0; nIndex < nCount; nIndex++) { + PAGECHAR_INFO Info2 = Info; + Info2.m_Unicode = pDst[nIndex]; + Info2.m_Flag = FPDFTEXT_CHAR_PIECE; + m_TextBuf.AppendChar(Info2.m_Unicode); + if( !m_ParseOptions.m_bGetCharCodeOnly) { + m_charList.Add(Info2); + } + } + FX_Free(pDst); + return; + } else { + Info.m_Unicode = wChar; + } + m_TextBuf.AppendChar(Info.m_Unicode); + } else { + Info.m_Index = -1; + } + if( !m_ParseOptions.m_bGetCharCodeOnly) { + m_charList.Add(Info); + } +} +void CPDF_TextPage::CloseTempLine() +{ + int count1 = m_TempCharList.GetSize(); + if (count1 <= 0) { + return; + } + IFX_BidiChar* BidiChar = IFX_BidiChar::Create(); + CFX_WideString str = m_TempTextBuf.GetWideString(); + CFX_WordArray order; + FX_BOOL bR2L = FALSE; + FX_INT32 start = 0, count = 0, i = 0; + int nR2L = 0, nL2R = 0; + FX_BOOL bPrevSpace = FALSE; + for (i = 0; i < str.GetLength(); i++) { + if(str.GetAt(i) == 32) { + if(bPrevSpace) { + m_TempTextBuf.Delete(i, 1); + m_TempCharList.Delete(i); + str.Delete(i); + count1 --; + i--; + continue; + } + bPrevSpace = TRUE; + } else { + bPrevSpace = FALSE; + } + if(BidiChar && BidiChar->AppendChar(str.GetAt(i))) { + FX_INT32 ret = BidiChar->GetBidiInfo(start, count); + order.Add(start); + order.Add(count); + order.Add(ret); + if(!bR2L) { + if(ret == 2) { + nR2L++; + } else if (ret == 1) { + nL2R++; + } + } + } + } + if(BidiChar && BidiChar->EndChar()) { + FX_INT32 ret = BidiChar->GetBidiInfo(start, count); + order.Add(start); + order.Add(count); + order.Add(ret); + if(!bR2L) { + if(ret == 2) { + nR2L++; + } else if(ret == 1) { + nL2R++; + } + } + } + if(nR2L > 0 && nR2L >= nL2R) { + bR2L = TRUE; + } + if(this->m_parserflag == FPDFTEXT_RLTB || bR2L) { + int count = order.GetSize(); + for(int j = count - 1; j > 0; j -= 3) { + int ret = order.GetAt(j); + int start = order.GetAt(j - 2); + int count1 = order.GetAt(j - 1); + if(ret == 2 || ret == 0) { + for(int i = start + count1 - 1; i >= start; i--) { + AddCharInfoByRLDirection(str, i); + } + } else { + i = j; + FX_BOOL bSymbol = FALSE; + while(i > 0 && order.GetAt(i) != 2) { + bSymbol = !order.GetAt(i); + i -= 3; + } + int end = start + count1 ; + int n = 0; + if(bSymbol) { + n = i + 6; + } else { + n = i + 3; + } + if(n >= j) { + for(int m = start; m < end; m++) { + AddCharInfoByLRDirection(str, m); + } + } else { + i = j; + j = n; + for(; n <= i; n += 3) { + int ret = order.GetAt(n); + int start = order.GetAt(n - 2); + int count1 = order.GetAt(n - 1); + int end = start + count1 ; + for(int m = start; m < end; m++) { + AddCharInfoByLRDirection(str, m); + } + } + } + } + } + } else { + int count = order.GetSize(); + FX_BOOL bL2R = FALSE; + for(int j = 0; j < count; j += 3) { + int ret = order.GetAt(j + 2); + int start = order.GetAt(j); + int count1 = order.GetAt(j + 1); + if(ret == 2 || (j == 0 && ret == 0 && !bL2R)) { + int i = j + 3; + while(bR2L && i < count) { + if(order.GetAt(i + 2) == 1) { + break; + } else { + i += 3; + } + } + if(i == 3) { + j = -3; + bL2R = TRUE; + continue; + } + int end = m_TempCharList.GetSize() - 1; + if(i < count) { + end = order.GetAt(i) - 1; + } + j = i - 3; + for(int n = end; n >= start; n--) { + AddCharInfoByRLDirection(str, n); + } + } else { + int end = start + count1 ; + for(int i = start; i < end; i++) { + AddCharInfoByLRDirection(str, i); + } + } + } + } + int ntext = m_TextBuf.GetSize(); + ntext = m_charList.GetSize(); + order.RemoveAll(); + m_TempCharList.RemoveAll(); + m_TempTextBuf.Delete(0, m_TempTextBuf.GetLength()); + BidiChar->Release(); +} +void CPDF_TextPage::ProcessTextObject(CPDF_TextObject* pTextObj, CFX_AffineMatrix formMatrix, FX_POSITION ObjPos) +{ + CFX_FloatRect re(pTextObj->m_Left, pTextObj->m_Bottom, pTextObj->m_Right, pTextObj->m_Top); + if(FXSYS_fabs(pTextObj->m_Right - pTextObj->m_Left) < 0.01f ) { + return; + } + int count = m_LineObj.GetSize(); + PDFTEXT_Obj Obj; + Obj.m_pTextObj = pTextObj; + Obj.m_formMatrix = formMatrix; + if(count == 0) { + m_LineObj.Add(Obj); + return; + } + if (IsSameAsPreTextObject(pTextObj, ObjPos)) { + return; + } + PDFTEXT_Obj prev_Obj = m_LineObj.GetAt(count - 1); + CPDF_TextObjectItem item; + int nItem = prev_Obj.m_pTextObj->CountItems(); + prev_Obj.m_pTextObj->GetItemInfo(nItem - 1, &item); + FX_FLOAT prev_width = GetCharWidth(item.m_CharCode, prev_Obj.m_pTextObj->GetFont()) * prev_Obj.m_pTextObj->GetFontSize() / 1000; + CFX_AffineMatrix prev_matrix; + prev_Obj.m_pTextObj->GetTextMatrix(&prev_matrix); + prev_width = FXSYS_fabs(prev_width); + prev_matrix.Concat(prev_Obj.m_formMatrix); + prev_width = prev_matrix.TransformDistance(prev_width); + pTextObj->GetItemInfo(0, &item); + FX_FLOAT this_width = GetCharWidth(item.m_CharCode, pTextObj->GetFont()) * pTextObj->GetFontSize() / 1000; + this_width = FXSYS_fabs(this_width); + CFX_AffineMatrix this_matrix; + pTextObj->GetTextMatrix(&this_matrix); + this_width = FXSYS_fabs(this_width); + this_matrix.Concat(formMatrix); + this_width = this_matrix.TransformDistance(this_width); + FX_FLOAT threshold = prev_width > this_width ? prev_width / 4 : this_width / 4; + FX_FLOAT prev_x = prev_Obj.m_pTextObj->GetPosX(), prev_y = prev_Obj.m_pTextObj->GetPosY(); + prev_Obj.m_formMatrix.Transform(prev_x, prev_y); + m_DisplayMatrix.Transform(prev_x, prev_y); + FX_FLOAT this_x = pTextObj->GetPosX(), this_y = pTextObj->GetPosY(); + formMatrix.Transform(this_x, this_y); + m_DisplayMatrix.Transform(this_x, this_y); + if (FXSYS_fabs(this_y - prev_y) > threshold * 2) { + for(int i = 0; i < count; i++) { + ProcessTextObject(m_LineObj.GetAt(i)); + } + m_LineObj.RemoveAll(); + m_LineObj.Add(Obj); + return; + } + int i = 0; + if(m_ParseOptions.m_bNormalizeObjs) { + for(i = count - 1; i >= 0; i--) { + PDFTEXT_Obj prev_Obj = m_LineObj.GetAt(i); + CFX_AffineMatrix prev_matrix; + prev_Obj.m_pTextObj->GetTextMatrix(&prev_matrix); + FX_FLOAT Prev_x = prev_Obj.m_pTextObj->GetPosX(), Prev_y = prev_Obj.m_pTextObj->GetPosY(); + prev_Obj.m_formMatrix.Transform(Prev_x, Prev_y); + m_DisplayMatrix.Transform(Prev_x, Prev_y); + if(this_x >= Prev_x) { + if(i == count - 1) { + m_LineObj.Add(Obj); + } else { + m_LineObj.InsertAt(i + 1, Obj); + } + break; + } + } + if(i < 0) { + m_LineObj.InsertAt(0, Obj); + } + } else { + m_LineObj.Add(Obj); + } +} +FX_INT32 CPDF_TextPage::PreMarkedContent(PDFTEXT_Obj Obj) +{ + CPDF_TextObject* pTextObj = Obj.m_pTextObj; + CPDF_ContentMarkData* pMarkData = (CPDF_ContentMarkData*)pTextObj->m_ContentMark.GetObject(); + if(!pMarkData) { + return FPDFTEXT_MC_PASS; + } + int nContentMark = pMarkData->CountItems(); + if (nContentMark < 1) { + return FPDFTEXT_MC_PASS; + } + CFX_WideString actText; + FX_BOOL bExist = FALSE; + CPDF_Dictionary* pDict = NULL; + int n = 0; + for (n = 0; n < nContentMark; n++) { + CPDF_ContentMarkItem& item = pMarkData->GetItem(n); + CFX_ByteString tagStr = (CFX_ByteString)item.GetName(); + pDict = (CPDF_Dictionary*)item.GetParam(); + CPDF_String* temp = (CPDF_String*)pDict->GetElement(FX_BSTRC("ActualText")); + if (temp) { + bExist = TRUE; + actText = temp->GetUnicodeText(); + } + } + if (!bExist) { + return FPDFTEXT_MC_PASS; + } + if (m_pPreTextObj) { + if (CPDF_ContentMarkData* pPreMarkData = (CPDF_ContentMarkData*)m_pPreTextObj->m_ContentMark.GetObject()) { + if (pPreMarkData->CountItems() == n) { + CPDF_ContentMarkItem& item = pPreMarkData->GetItem(n - 1); + if (pDict == item.GetParam()) { + return FPDFTEXT_MC_DONE; + } + } + } + } + CPDF_Font* pFont = pTextObj->GetFont(); + FX_STRSIZE nItems = actText.GetLength(); + if (nItems < 1) { + return FPDFTEXT_MC_PASS; + } + bExist = FALSE; + for (FX_STRSIZE i = 0; i < nItems; i++) { + FX_WCHAR wChar = actText.GetAt(i); + if (-1 == pFont->CharCodeFromUnicode(wChar)) { + continue; + } else { + bExist = TRUE; + break; + } + } + if (!bExist) { + return FPDFTEXT_MC_PASS; + } + bExist = FALSE; + for (FX_STRSIZE j = 0; j < nItems; j++) { + FX_WCHAR wChar = actText.GetAt(j); + if ((wChar > 0x80 && wChar < 0xFFFD) || (wChar <= 0x80 && isprint(wChar))) { + bExist = TRUE; + break; + } + } + if (!bExist) { + return FPDFTEXT_MC_DONE; + } + return FPDFTEXT_MC_DELAY; +} +void CPDF_TextPage::ProcessMarkedContent(PDFTEXT_Obj Obj) +{ + CPDF_TextObject* pTextObj = Obj.m_pTextObj; + CPDF_ContentMarkData* pMarkData = (CPDF_ContentMarkData*)pTextObj->m_ContentMark.GetObject(); + if(!pMarkData) { + return; + } + int nContentMark = pMarkData->CountItems(); + if (nContentMark < 1) { + return; + } + CFX_WideString actText; + CPDF_Dictionary* pDict = NULL; + int n = 0; + for (n = 0; n < nContentMark; n++) { + CPDF_ContentMarkItem& item = pMarkData->GetItem(n); + CFX_ByteString tagStr = (CFX_ByteString)item.GetName(); + pDict = (CPDF_Dictionary*)item.GetParam(); + CPDF_String* temp = (CPDF_String*)pDict->GetElement(FX_BSTRC("ActualText")); + if (temp) { + actText = temp->GetUnicodeText(); + } + } + FX_STRSIZE nItems = actText.GetLength(); + if (nItems < 1) { + return; + } + CPDF_Font* pFont = pTextObj->GetFont(); + CFX_AffineMatrix formMatrix = Obj.m_formMatrix; + CFX_AffineMatrix matrix; + pTextObj->GetTextMatrix(&matrix); + matrix.Concat(formMatrix); + FX_FLOAT fPosX = pTextObj->GetPosX(); + FX_FLOAT fPosY = pTextObj->GetPosY(); + int nCharInfoIndex = m_TextBuf.GetLength(); + CFX_FloatRect charBox; + charBox.top = pTextObj->m_Top; + charBox.left = pTextObj->m_Left; + charBox.right = pTextObj->m_Right; + charBox.bottom = pTextObj->m_Bottom; + for (FX_STRSIZE k = 0; k < nItems; k++) { + FX_WCHAR wChar = actText.GetAt(k); + if (wChar <= 0x80 && !isprint(wChar)) { + wChar = 0x20; + } + if (wChar >= 0xFFFD) { + continue; + } + PAGECHAR_INFO charinfo; + charinfo.m_OriginX = fPosX; + charinfo.m_OriginY = fPosY; + charinfo.m_Index = nCharInfoIndex; + charinfo.m_Unicode = wChar; + charinfo.m_CharCode = pFont->CharCodeFromUnicode(wChar); + charinfo.m_Flag = FPDFTEXT_CHAR_PIECE; + charinfo.m_pTextObj = pTextObj; + charinfo.m_CharBox.top = charBox.top; + charinfo.m_CharBox.left = charBox.left; + charinfo.m_CharBox.right = charBox.right; + charinfo.m_CharBox.bottom = charBox.bottom; + charinfo.m_Matrix.Copy(matrix); + m_TempTextBuf.AppendChar(wChar); + m_TempCharList.Add(charinfo); + } +} +void CPDF_TextPage::FindPreviousTextObject(void) +{ + if (m_TempCharList.GetSize() < 1 && m_charList.GetSize() < 1) { + return; + } + PAGECHAR_INFO preChar; + if (m_TempCharList.GetSize() >= 1) { + preChar = *(PAGECHAR_INFO*)m_TempCharList.GetAt(m_TempCharList.GetSize() - 1); + } else { + preChar = *(PAGECHAR_INFO*)m_charList.GetAt(m_charList.GetSize() - 1); + } + if (preChar.m_pTextObj) { + m_pPreTextObj = preChar.m_pTextObj; + } +} +void CPDF_TextPage::ProcessTextObject(PDFTEXT_Obj Obj) +{ + CPDF_TextObject* pTextObj = Obj.m_pTextObj; + if(FXSYS_fabs(pTextObj->m_Right - pTextObj->m_Left) < 0.01f ) { + return; + } + CFX_AffineMatrix formMatrix = Obj.m_formMatrix; + CPDF_Font* pFont = pTextObj->GetFont(); + CFX_AffineMatrix matrix; + pTextObj->GetTextMatrix(&matrix); + matrix.Concat(formMatrix); + FX_INT32 bPreMKC = PreMarkedContent(Obj); + if (FPDFTEXT_MC_DONE == bPreMKC) { + m_pPreTextObj = pTextObj; + m_perMatrix.Copy(formMatrix); + return; + } + int result = 0; + if (m_pPreTextObj) { + result = ProcessInsertObject(pTextObj, formMatrix); + if (2 == result) { + m_CurlineRect = CFX_FloatRect(Obj.m_pTextObj->m_Left, Obj.m_pTextObj->m_Bottom, Obj.m_pTextObj->m_Right, Obj.m_pTextObj->m_Top); + } else { + m_CurlineRect.Union(CFX_FloatRect(Obj.m_pTextObj->m_Left, Obj.m_pTextObj->m_Bottom, Obj.m_pTextObj->m_Right, Obj.m_pTextObj->m_Top)); + } + PAGECHAR_INFO generateChar; + if (result == 1) { + if (GenerateCharInfo(TEXT_BLANK_CHAR, generateChar)) { + if (!formMatrix.IsIdentity()) { + generateChar.m_Matrix.Copy(formMatrix); + } + m_TempTextBuf.AppendChar(TEXT_BLANK_CHAR); + m_TempCharList.Add(generateChar); + } + } else if(result == 2) { + CloseTempLine(); + if(m_TextBuf.GetSize()) { + if(m_ParseOptions.m_bGetCharCodeOnly) { + m_TextBuf.AppendChar(TEXT_RETURN_CHAR); + m_TextBuf.AppendChar(TEXT_LINEFEED_CHAR); + } else { + if(GenerateCharInfo(TEXT_RETURN_CHAR, generateChar)) { + m_TextBuf.AppendChar(TEXT_RETURN_CHAR); + if (!formMatrix.IsIdentity()) { + generateChar.m_Matrix.Copy(formMatrix); + } + m_charList.Add(generateChar); + } + if(GenerateCharInfo(TEXT_LINEFEED_CHAR, generateChar)) { + m_TextBuf.AppendChar(TEXT_LINEFEED_CHAR); + if (!formMatrix.IsIdentity()) { + generateChar.m_Matrix.Copy(formMatrix); + } + m_charList.Add(generateChar); + } + } + } + } else if (result == 3 && !m_ParseOptions.m_bOutputHyphen) { + FX_INT32 nChars = pTextObj->CountChars(); + if (nChars == 1) { + CPDF_TextObjectItem item; + pTextObj->GetCharInfo(0, &item); + CFX_WideString wstrItem = pTextObj->GetFont()->UnicodeFromCharCode(item.m_CharCode); + if(wstrItem.IsEmpty()) { + wstrItem += (FX_WCHAR)item.m_CharCode; + } + FX_WCHAR curChar = wstrItem.GetAt(0); + if (0x2D == curChar || 0xAD == curChar) { + return; + } + } + while (m_TempTextBuf.GetSize() > 0 && m_TempTextBuf.GetWideString().GetAt(m_TempTextBuf.GetLength() - 1) == 0x20) { + m_TempTextBuf.Delete(m_TempTextBuf.GetLength() - 1, 1); + m_TempCharList.Delete(m_TempCharList.GetSize() - 1); + } + PAGECHAR_INFO* cha = (PAGECHAR_INFO*)m_TempCharList.GetAt(m_TempCharList.GetSize() - 1); + m_TempTextBuf.Delete(m_TempTextBuf.GetLength() - 1, 1); +#ifdef FOXIT_CHROME_BUILD + cha->m_Unicode = 0x2; + cha->m_Flag = FPDFTEXT_CHAR_HYPHEN; + m_TempTextBuf.AppendChar(0xfffe); +#else + cha->m_Unicode = 0; + m_TempTextBuf.AppendChar(0xfffe); +#endif + } + } else { + m_CurlineRect = CFX_FloatRect(Obj.m_pTextObj->m_Left, Obj.m_pTextObj->m_Bottom, Obj.m_pTextObj->m_Right, Obj.m_pTextObj->m_Top); + } + if (FPDFTEXT_MC_DELAY == bPreMKC) { + ProcessMarkedContent(Obj); + m_pPreTextObj = pTextObj; + m_perMatrix.Copy(formMatrix); + return; + } + m_pPreTextObj = pTextObj; + m_perMatrix.Copy(formMatrix); + int nItems = pTextObj->CountItems(); + FX_FLOAT spacing = 0; + FX_FLOAT baseSpace = 0.0; + FX_BOOL bAllChar = TRUE; + if (pTextObj->m_TextState.GetObject()->m_CharSpace && nItems >= 3) { + spacing = matrix.TransformDistance(pTextObj->m_TextState.GetObject()->m_CharSpace); + baseSpace = spacing; + for (int i = 0; i < nItems; i++) { + CPDF_TextObjectItem item; + pTextObj->GetItemInfo(i, &item); + if (item.m_CharCode == (FX_DWORD) - 1) { + FX_FLOAT fontsize_h = pTextObj->m_TextState.GetFontSizeH(); + FX_FLOAT kerning = -fontsize_h * item.m_OriginX / 1000; + if(kerning + spacing < baseSpace) { + baseSpace = kerning + spacing; + } + bAllChar = FALSE; + } + } + spacing = 0; + if(baseSpace < 0.0 || (nItems == 3 && !bAllChar)) { + baseSpace = 0.0; + } + } + for (int i = 0; i < nItems; i++) { + CPDF_TextObjectItem item; + PAGECHAR_INFO charinfo; + charinfo.m_OriginX = 0; + charinfo.m_OriginY = 0; + pTextObj->GetItemInfo(i, &item); + if (item.m_CharCode == (FX_DWORD) - 1) { + CFX_WideString str = m_TempTextBuf.GetWideString(); + if(str.IsEmpty()) { + str = m_TextBuf.GetWideString(); + } + if (str.IsEmpty() || str.GetAt(str.GetLength() - 1) == TEXT_BLANK_CHAR) { + continue; + } + FX_FLOAT fontsize_h = pTextObj->m_TextState.GetFontSizeH(); + spacing = -fontsize_h * item.m_OriginX / 1000; + continue; + } + FX_FLOAT charSpace = pTextObj->m_TextState.GetObject()->m_CharSpace; + if (charSpace > 0.001) { + spacing += matrix.TransformDistance(charSpace); + } else if(charSpace < -0.001) { + spacing -= matrix.TransformDistance(FXSYS_fabs(charSpace)); + } + spacing -= baseSpace; + if (spacing && i > 0) { + int last_width = 0; + FX_FLOAT fontsize_h = pTextObj->m_TextState.GetFontSizeH(); + FX_DWORD space_charcode = pFont->CharCodeFromUnicode(' '); + FX_FLOAT threshold = 0; + if (space_charcode != -1) { + threshold = fontsize_h * pFont->GetCharWidthF(space_charcode) / 1000 ; + } + if (threshold > fontsize_h / 3) { + threshold = 0; + } else { + threshold /= 2; + } + if (threshold == 0) { + threshold = fontsize_h; + int this_width = FXSYS_abs(GetCharWidth(item.m_CharCode, pFont)); + threshold = this_width > last_width ? (FX_FLOAT)this_width : (FX_FLOAT)last_width; + int nDivide = 6; + if (threshold < 300) { + nDivide = 2; + } else if (threshold < 500) { + nDivide = 4; + } else if (threshold < 700) { + nDivide = 5; + } + threshold = threshold / nDivide; + threshold = fontsize_h * threshold / 1000; + } + if (threshold && (spacing && spacing >= threshold) ) { + charinfo.m_Unicode = TEXT_BLANK_CHAR; + charinfo.m_Flag = FPDFTEXT_CHAR_GENERATED; + charinfo.m_pTextObj = pTextObj; + charinfo.m_Index = m_TextBuf.GetLength(); + m_TempTextBuf.AppendChar(TEXT_BLANK_CHAR); + charinfo.m_CharCode = -1; + charinfo.m_Matrix.Copy(formMatrix); + matrix.Transform(item.m_OriginX, item.m_OriginY, charinfo.m_OriginX, charinfo.m_OriginY); + charinfo.m_CharBox = CFX_FloatRect(charinfo.m_OriginX, charinfo.m_OriginY, charinfo.m_OriginX, charinfo.m_OriginY); + m_TempCharList.Add(charinfo); + } + if (item.m_CharCode == (FX_DWORD) - 1) { + continue; + } + } + spacing = 0; + CFX_WideString wstrItem = pFont->UnicodeFromCharCode(item.m_CharCode); + FX_BOOL bNoUnicode = FALSE; + FX_WCHAR wChar = wstrItem.GetAt(0); + if ((wstrItem.IsEmpty() || wChar == 0) && item.m_CharCode) { + if(wstrItem.IsEmpty()) { + wstrItem += (FX_WCHAR)item.m_CharCode; + } else { + wstrItem.SetAt(0, (FX_WCHAR)item.m_CharCode); + } + bNoUnicode = TRUE; + } + charinfo.m_Index = -1; + charinfo.m_CharCode = item.m_CharCode; + if(bNoUnicode) { + charinfo.m_Flag = FPDFTEXT_CHAR_UNUNICODE; + } else { + charinfo.m_Flag = FPDFTEXT_CHAR_NORMAL; + } + charinfo.m_pTextObj = pTextObj; + charinfo.m_OriginX = 0, charinfo.m_OriginY = 0; + matrix.Transform(item.m_OriginX, item.m_OriginY, charinfo.m_OriginX, charinfo.m_OriginY); + FX_RECT rect(0, 0, 0, 0); + rect.Intersect(0, 0, 0, 0); + charinfo.m_pTextObj->GetFont()->GetCharBBox(charinfo.m_CharCode, rect); + charinfo.m_CharBox.top = rect.top * pTextObj->GetFontSize() / 1000 + item.m_OriginY; + charinfo.m_CharBox.left = rect.left * pTextObj->GetFontSize() / 1000 + item.m_OriginX; + charinfo.m_CharBox.right = rect.right * pTextObj->GetFontSize() / 1000 + item.m_OriginX; + charinfo.m_CharBox.bottom = rect.bottom * pTextObj->GetFontSize() / 1000 + item.m_OriginY; + if (fabsf(charinfo.m_CharBox.top - charinfo.m_CharBox.bottom) < 0.01f) { + charinfo.m_CharBox.top = charinfo.m_CharBox.bottom + pTextObj->GetFontSize(); + } + if (fabsf(charinfo.m_CharBox.right - charinfo.m_CharBox.left) < 0.01f) { + charinfo.m_CharBox.right = charinfo.m_CharBox.left + pTextObj->GetCharWidth(charinfo.m_CharCode); + } + matrix.TransformRect(charinfo.m_CharBox); + charinfo.m_Matrix.Copy(matrix); + if (wstrItem.IsEmpty()) { + charinfo.m_Unicode = 0; + m_TempCharList.Add(charinfo); + m_TempTextBuf.AppendChar(0xfffe); + continue; + } else { + int nTotal = wstrItem.GetLength(); + int n = 0; + FX_BOOL bDel = FALSE; + while (n < m_TempCharList.GetSize() && n < 7) { + n++; + PAGECHAR_INFO* charinfo1 = (PAGECHAR_INFO*)m_TempCharList.GetAt(m_TempCharList.GetSize() - n); + if(charinfo1->m_CharCode == charinfo.m_CharCode && + charinfo1->m_pTextObj->GetFont() == charinfo.m_pTextObj->GetFont() && + FXSYS_fabs(charinfo1->m_OriginX - charinfo.m_OriginX) < TEXT_CHARRATIO_GAPDELTA * pTextObj->GetFontSize() && + FXSYS_fabs(charinfo1->m_OriginY - charinfo.m_OriginY) < TEXT_CHARRATIO_GAPDELTA * pTextObj->GetFontSize() ) { + bDel = TRUE; + break; + } + } + if(!bDel) { + for (int nIndex = 0; nIndex < nTotal; nIndex++) { + charinfo.m_Unicode = wstrItem.GetAt(nIndex); + if (charinfo.m_Unicode) { + charinfo.m_Index = m_TextBuf.GetLength(); + m_TempTextBuf.AppendChar(charinfo.m_Unicode); + } else { + m_TempTextBuf.AppendChar(0xfffe); + } + m_TempCharList.Add(charinfo); + } + } else if(i == 0) { + CFX_WideString str = m_TempTextBuf.GetWideString(); + if (!str.IsEmpty() && str.GetAt(str.GetLength() - 1) == TEXT_BLANK_CHAR) { + m_TempTextBuf.Delete(m_TempTextBuf.GetLength() - 1, 1); + m_TempCharList.Delete(m_TempCharList.GetSize() - 1); + } + } + } + } +} +FX_INT32 CPDF_TextPage::GetTextObjectWritingMode(const CPDF_TextObject* pTextObj) +{ + FX_INT32 nChars = pTextObj->CountChars(); + if (nChars == 1) { + return m_TextlineDir; + } + CPDF_TextObjectItem first, last; + pTextObj->GetCharInfo(0, &first); + pTextObj->GetCharInfo(nChars - 1, &last); + CFX_Matrix textMatrix; + pTextObj->GetTextMatrix(&textMatrix); + textMatrix.TransformPoint(first.m_OriginX, first.m_OriginY); + textMatrix.TransformPoint(last.m_OriginX, last.m_OriginY); + FX_FLOAT dX = FXSYS_fabs(last.m_OriginX - first.m_OriginX); + FX_FLOAT dY = FXSYS_fabs(last.m_OriginY - first.m_OriginY); + if (dX <= 0.0001f && dY <= 0.0001f) { + return -1; + } + CFX_VectorF v; + v.Set(dX, dY); + v.Normalize(); + if (v.y <= 0.0872f) { + if (v.x <= 0.0872f) { + return m_TextlineDir; + } + return 0; + } else if (v.x <= 0.0872f) { + return 1; + } + return m_TextlineDir; +} +FX_BOOL CPDF_TextPage::IsHyphen(FX_WCHAR curChar) +{ + CFX_WideString strCurText = m_TempTextBuf.GetWideString(); + if(strCurText.GetLength() == 0) { + strCurText = m_TextBuf.GetWideString(); + } + FX_STRSIZE nCount = strCurText.GetLength(); + int nIndex = nCount - 1; + FX_WCHAR wcTmp = strCurText.GetAt(nIndex); + while(wcTmp == 0x20 && nIndex <= nCount - 1 && nIndex >= 0) { + wcTmp = strCurText.GetAt(--nIndex); + } + if (0x2D == wcTmp || 0xAD == wcTmp) { + if (--nIndex > 0) { + FX_WCHAR preChar = strCurText.GetAt((nIndex)); + if (((preChar >= L'A' && preChar <= L'Z') || (preChar >= L'a' && preChar <= L'z')) + && ((curChar >= L'A' && curChar <= L'Z') || (curChar >= L'a' && curChar <= L'z'))) { + return TRUE; + } + } + int size = m_TempCharList.GetSize(); + PAGECHAR_INFO preChar; + if (size) { + preChar = (PAGECHAR_INFO)m_TempCharList[size - 1]; + } else { + size = m_charList.GetSize(); + if(size == 0) { + return FALSE; + } + preChar = (PAGECHAR_INFO)m_charList[size - 1]; + } + if (FPDFTEXT_CHAR_PIECE == preChar.m_Flag) + if (0xAD == preChar.m_Unicode || 0x2D == preChar.m_Unicode) { + return TRUE; + } + } + return FALSE; +} +int CPDF_TextPage::ProcessInsertObject(const CPDF_TextObject* pObj, CFX_AffineMatrix formMatrix) +{ + FindPreviousTextObject(); + FX_BOOL bNewline = FALSE; + int WritingMode = GetTextObjectWritingMode(pObj); + if(WritingMode == -1) { + WritingMode = GetTextObjectWritingMode(m_pPreTextObj); + } + CFX_FloatRect this_rect(pObj->m_Left, pObj->m_Bottom, pObj->m_Right, pObj->m_Top); + CFX_FloatRect prev_rect(m_pPreTextObj->m_Left, m_pPreTextObj->m_Bottom, m_pPreTextObj->m_Right, m_pPreTextObj->m_Top); + CPDF_TextObjectItem PrevItem, item; + int nItem = m_pPreTextObj->CountItems(); + m_pPreTextObj->GetItemInfo(nItem - 1, &PrevItem); + pObj->GetItemInfo(0, &item); + CFX_WideString wstrItem = pObj->GetFont()->UnicodeFromCharCode(item.m_CharCode); + if(wstrItem.IsEmpty()) { + wstrItem += (FX_WCHAR)item.m_CharCode; + } + FX_WCHAR curChar = wstrItem.GetAt(0); + if(WritingMode == 0) { + if(this_rect.Height() > 4.5 && prev_rect.Height() > 4.5) { + FX_FLOAT top = this_rect.top < prev_rect.top ? this_rect.top : prev_rect.top; + FX_FLOAT bottom = this_rect.bottom > prev_rect.bottom ? this_rect.bottom : prev_rect.bottom; + if(bottom >= top) { + if(IsHyphen(curChar)) { + return 3; + } + return 2; + } + } + } else if (WritingMode == 1) { + if(this_rect.Width() > pObj->GetFontSize() * 0.1f && prev_rect.Width() > m_pPreTextObj->GetFontSize() * 0.1f) { + FX_FLOAT left = this_rect.left > m_CurlineRect.left ? this_rect.left : m_CurlineRect.left; + FX_FLOAT right = this_rect.right < m_CurlineRect.right ? this_rect.right : m_CurlineRect.right; + if(right <= left) { + if(IsHyphen(curChar)) { + return 3; + } + return 2; + } + } + } + FX_FLOAT last_pos = PrevItem.m_OriginX; + int nLastWidth = GetCharWidth(PrevItem.m_CharCode, m_pPreTextObj->GetFont()); + FX_FLOAT last_width = nLastWidth * m_pPreTextObj->GetFontSize() / 1000; + last_width = FXSYS_fabs(last_width); + int nThisWidth = GetCharWidth(item.m_CharCode, pObj->GetFont()); + FX_FLOAT this_width = nThisWidth * pObj->GetFontSize() / 1000; + this_width = FXSYS_fabs(this_width); + FX_FLOAT threshold = last_width > this_width ? last_width / 4 : this_width / 4; + CFX_AffineMatrix prev_matrix, prev_reverse; + m_pPreTextObj->GetTextMatrix(&prev_matrix); + prev_matrix.Concat(m_perMatrix); + prev_reverse.SetReverse(prev_matrix); + FX_FLOAT x = pObj->GetPosX(); + FX_FLOAT y = pObj->GetPosY(); + formMatrix.Transform(x, y); + prev_reverse.Transform(x, y); + if(last_width < this_width) { + threshold = prev_reverse.TransformDistance(threshold); + } + CFX_FloatRect rect1(m_pPreTextObj->m_Left, pObj->m_Bottom, m_pPreTextObj->m_Right, pObj->m_Top); + CFX_FloatRect rect2(m_pPreTextObj->m_Left, m_pPreTextObj->m_Bottom, m_pPreTextObj->m_Right, m_pPreTextObj->m_Top); + CFX_FloatRect rect3 = rect1; + rect1.Intersect(rect2); + if (WritingMode == 0) { + if ((rect1.IsEmpty() && rect2.Height() > 5 && rect3.Height() > 5) + || ((y > threshold * 2 || y < threshold * -3) && (FXSYS_fabs(y) < 1 ? FXSYS_fabs(x) < FXSYS_fabs(y) : TRUE))) { + bNewline = TRUE; + if(nItem > 1 ) { + CPDF_TextObjectItem tempItem; + m_pPreTextObj->GetItemInfo(0, &tempItem); + CFX_AffineMatrix m; + m_pPreTextObj->GetTextMatrix(&m); + if(PrevItem.m_OriginX > tempItem.m_OriginX && + m_DisplayMatrix.a > 0.9 && m_DisplayMatrix.b < 0.1 && + m_DisplayMatrix.c < 0.1 && m_DisplayMatrix.d < -0.9 + && m.b < 0.1 && m.c < 0.1 ) { + CFX_FloatRect re(0, m_pPreTextObj->m_Bottom, 1000, m_pPreTextObj->m_Top); + if(re.Contains(pObj->GetPosX(), pObj->GetPosY())) { + bNewline = FALSE; + } else { + CFX_FloatRect re(0, pObj->m_Bottom, 1000, pObj->m_Top); + if(re.Contains(m_pPreTextObj->GetPosX(), m_pPreTextObj->GetPosY())) { + bNewline = FALSE; + } + } + } + } + } + } + if(bNewline) { + if(IsHyphen(curChar)) { + return 3; + } + return 2; + } + FX_INT32 nChars = pObj->CountChars(); + if (nChars == 1 && ( 0x2D == curChar || 0xAD == curChar)) + if (IsHyphen(curChar)) { + return 3; + } + CFX_WideString PrevStr = m_pPreTextObj->GetFont()->UnicodeFromCharCode(PrevItem.m_CharCode); + FX_WCHAR preChar = PrevStr.GetAt(PrevStr.GetLength() - 1); + CFX_AffineMatrix matrix; + pObj->GetTextMatrix(&matrix); + matrix.Concat(formMatrix); + threshold = (FX_FLOAT)(nLastWidth > nThisWidth ? nLastWidth : nThisWidth); + threshold = threshold > 400 ? (threshold < 700 ? threshold / 4 : (threshold > 800 ? threshold / 6 : threshold / 5)) : (threshold / 2); + if(nLastWidth >= nThisWidth) { + threshold *= FXSYS_fabs(m_pPreTextObj->GetFontSize()); + } else { + threshold *= FXSYS_fabs(pObj->GetFontSize()); + threshold = matrix.TransformDistance(threshold); + threshold = prev_reverse.TransformDistance(threshold); + } + threshold /= 1000; + if((threshold < 1.4881 && threshold > 1.4879) + || (threshold < 1.39001 && threshold > 1.38999)) { + threshold *= 1.5; + } + if (FXSYS_fabs(last_pos + last_width - x) > threshold && curChar != L' ' && preChar != L' ') + if (curChar != L' ' && preChar != L' ') { + if((x - last_pos - last_width) > threshold || (last_pos - x - last_width) > threshold) { + return 1; + } + if(x < 0 && (last_pos - x - last_width) > threshold) { + return 1; + } + if((x - last_pos - last_width) > this_width || (x - last_pos - this_width) > last_width ) { + return 1; + } + } + return 0; +} +FX_BOOL CPDF_TextPage::IsSameTextObject(CPDF_TextObject* pTextObj1, CPDF_TextObject* pTextObj2) +{ + if (!pTextObj1 || !pTextObj2) { + return FALSE; + } + CFX_FloatRect rcPreObj(pTextObj2->m_Left, pTextObj2->m_Bottom, pTextObj2->m_Right, pTextObj2->m_Top); + CFX_FloatRect rcCurObj(pTextObj1->m_Left, pTextObj1->m_Bottom, pTextObj1->m_Right, pTextObj1->m_Top); + if (rcPreObj.IsEmpty() && rcCurObj.IsEmpty() && !m_ParseOptions.m_bGetCharCodeOnly) { + FX_FLOAT dbXdif = FXSYS_fabs(rcPreObj.left - rcCurObj.left); + int nCount = m_charList.GetSize(); + if (nCount >= 2) { + PAGECHAR_INFO perCharTemp = (PAGECHAR_INFO)m_charList[nCount - 2]; + FX_FLOAT dbSpace = perCharTemp.m_CharBox.Width(); + if (dbXdif > dbSpace) { + return FALSE; + } + } + } + if (!rcPreObj.IsEmpty() || !rcCurObj.IsEmpty()) { + rcPreObj.Intersect(rcCurObj); + if (rcPreObj.IsEmpty()) { + return FALSE; + } + if (FXSYS_fabs(rcPreObj.Width() - rcCurObj.Width()) > rcCurObj.Width() / 2) { + return FALSE; + } + if (pTextObj2->GetFontSize() != pTextObj1->GetFontSize()) { + return FALSE; + } + } + int nPreCount = pTextObj2->CountItems(); + int nCurCount = pTextObj1->CountItems(); + if (nPreCount != nCurCount) { + return FALSE; + } + CPDF_TextObjectItem itemPer, itemCur; + for (int i = 0; i < nPreCount; i++) { + pTextObj2->GetItemInfo(i, &itemPer); + pTextObj1->GetItemInfo(i, &itemCur); + if (itemCur.m_CharCode != itemPer.m_CharCode) { + return FALSE; + } + } + if(FXSYS_fabs(pTextObj1->GetPosX() - pTextObj2->GetPosX()) > GetCharWidth(itemPer.m_CharCode, pTextObj2->GetFont())*pTextObj2->GetFontSize() / 1000 * 0.9 || + FXSYS_fabs(pTextObj1->GetPosY() - pTextObj2->GetPosY()) > + FX_MAX(FX_MAX(rcPreObj.Height() , rcPreObj.Width()), pTextObj2->GetFontSize()) / 8) { + return FALSE; + } + return TRUE; +} +FX_BOOL CPDF_TextPage::IsSameAsPreTextObject(CPDF_TextObject* pTextObj, FX_POSITION ObjPos) +{ + if (!pTextObj) { + return FALSE; + } + int i = 0; + if (!ObjPos) { + ObjPos = m_pPage->GetLastObjectPosition(); + } + CPDF_PageObject* pObj = m_pPage->GetPrevObject(ObjPos); + while (i < 5 && ObjPos) { + pObj = m_pPage->GetPrevObject(ObjPos); + if(pObj == pTextObj) { + continue; + } + if(pObj->m_Type != PDFPAGE_TEXT) { + continue; + } + if(IsSameTextObject((CPDF_TextObject*)pObj, pTextObj)) { + return TRUE; + } + i++; + } + return FALSE; +} +FX_BOOL CPDF_TextPage::GenerateCharInfo(FX_WCHAR unicode, PAGECHAR_INFO& info) +{ + int size = m_TempCharList.GetSize(); + PAGECHAR_INFO preChar; + if (size) { + preChar = (PAGECHAR_INFO)m_TempCharList[size - 1]; + } else { + size = m_charList.GetSize(); + if(size == 0) { + return FALSE; + } + preChar = (PAGECHAR_INFO)m_charList[size - 1]; + } + info.m_Index = m_TextBuf.GetLength(); + info.m_Unicode = unicode; + info.m_pTextObj = NULL; + info.m_CharCode = -1; + info.m_Flag = FPDFTEXT_CHAR_GENERATED; + int preWidth = 0; + if (preChar.m_pTextObj && preChar.m_CharCode != (FX_DWORD) - 1) { + preWidth = GetCharWidth(preChar.m_CharCode, preChar.m_pTextObj->GetFont()); + } + FX_FLOAT fs = 0; + if(preChar.m_pTextObj) { + fs = preChar.m_pTextObj->GetFontSize(); + } else { + fs = preChar.m_CharBox.Height(); + } + if(!fs) { + fs = 1; + } + info.m_OriginX = preChar.m_OriginX + preWidth * (fs) / 1000; + info.m_OriginY = preChar.m_OriginY; + info.m_CharBox = CFX_FloatRect(info.m_OriginX, info.m_OriginY, info.m_OriginX, info.m_OriginY); + return TRUE; +} +FX_BOOL CPDF_TextPage::IsRectIntersect(CFX_FloatRect rect1, CFX_FloatRect rect2) +{ + rect1.Intersect(rect2); + if(rect1.IsEmpty()) { + return FALSE; + } + return TRUE; +} +FX_BOOL CPDF_TextPage::IsLetter(FX_WCHAR unicode) +{ + if (unicode < L'A') { + return FALSE; + } + if (unicode > L'Z' && unicode < L'a') { + return FALSE; + } + if (unicode > L'z') { + return FALSE; + } + return TRUE; +} +CPDF_TextPageFind::CPDF_TextPageFind(const IPDF_TextPage* pTextPage) + : m_IsFind(FALSE), + m_pTextPage(NULL) +{ + if (!pTextPage) { + return; + } + CPDF_ModuleMgr* pPDFModule = CPDF_ModuleMgr::Get(); + m_pTextPage = pTextPage; + m_strText = m_pTextPage->GetPageText(); + int nCount = pTextPage->CountChars(); + if(nCount) { + m_CharIndex.Add(0); + } + for(int i = 0; i < nCount; i++) { + FPDF_CHAR_INFO info; + pTextPage->GetCharInfo(i, info); + int indexSize = m_CharIndex.GetSize(); + if(info.m_Flag == CHAR_NORMAL || info.m_Flag == CHAR_GENERATED) { + if(indexSize % 2) { + m_CharIndex.Add(1); + } else { + if(indexSize <= 0) { + continue; + } + m_CharIndex.SetAt(indexSize - 1, m_CharIndex.GetAt(indexSize - 1) + 1); + } + } else { + if(indexSize % 2) { + if(indexSize <= 0) { + continue; + } + m_CharIndex.SetAt(indexSize - 1, i + 1); + } else { + m_CharIndex.Add(i + 1); + } + } + } + int indexSize = m_CharIndex.GetSize(); + if(indexSize % 2) { + m_CharIndex.RemoveAt(indexSize - 1); + } + m_resStart = 0; + m_resEnd = -1; +} +int CPDF_TextPageFind::GetCharIndex(int index) const +{ + return m_pTextPage->CharIndexFromTextIndex(index); + int indexSize = m_CharIndex.GetSize(); + int count = 0; + for(int i = 0; i < indexSize; i += 2) { + count += m_CharIndex.GetAt(i + 1); + if(count > index) { + return index - count + m_CharIndex.GetAt(i + 1) + m_CharIndex.GetAt(i); + } + } + return -1; +} +FX_BOOL CPDF_TextPageFind::FindFirst(CFX_WideString findwhat, int flags, int startPos) +{ + if (!m_pTextPage) { + return FALSE; + } + if (m_strText.IsEmpty() || m_bMatchCase != (flags & FPDFTEXT_MATCHCASE)) { + m_strText = m_pTextPage->GetPageText(); + } + m_findWhat = findwhat; + m_flags = flags; + m_bMatchCase = flags & FPDFTEXT_MATCHCASE; + if (m_strText.IsEmpty()) { + m_IsFind = FALSE; + return TRUE; + } + FX_STRSIZE len = findwhat.GetLength(); + if (!m_bMatchCase) { + findwhat.MakeLower(); + m_strText.MakeLower(); + } + m_bMatchWholeWord = flags & FPDFTEXT_MATCHWHOLEWORD; + m_findNextStart = startPos; + if (startPos == -1) { + m_findPreStart = m_strText.GetLength() - 1; + } else { + m_findPreStart = startPos; + } + m_csFindWhatArray.RemoveAll(); + int i = 0; + while(i < len) { + if(findwhat.GetAt(i) != ' ') { + break; + } + i++; + } + if(i < len) { + ExtractFindWhat(findwhat); + } else { + m_csFindWhatArray.Add(findwhat); + } + if(m_csFindWhatArray.GetSize() <= 0) { + return FALSE; + } + m_IsFind = TRUE; + m_resStart = 0; + m_resEnd = -1; + return TRUE; +} +FX_BOOL CPDF_TextPageFind::FindNext() +{ + if (!m_pTextPage) { + return FALSE; + } + m_resArray.RemoveAll(); + if(m_findNextStart == -1) { + return FALSE; + } + if(m_strText.IsEmpty()) { + m_IsFind = FALSE; + return m_IsFind; + } + int strLen = m_strText.GetLength(); + if (m_findNextStart > strLen - 1) { + m_IsFind = FALSE; + return m_IsFind; + } + int nCount = m_csFindWhatArray.GetSize(); + int nResultPos = 0; + int nStartPos = 0; + nStartPos = m_findNextStart; + FX_BOOL bSpaceStart = FALSE; + for(int iWord = 0; iWord < nCount; iWord++) { + CFX_WideString csWord = m_csFindWhatArray[iWord]; + if(csWord.IsEmpty()) { + if(iWord == nCount - 1) { + FX_WCHAR strInsert = m_strText.GetAt(nStartPos); + if(strInsert == TEXT_LINEFEED_CHAR || strInsert == TEXT_BLANK_CHAR || strInsert == TEXT_RETURN_CHAR || strInsert == 160) { + nResultPos = nStartPos + 1; + break; + } + iWord = -1; + } else if(iWord == 0) { + bSpaceStart = TRUE; + } + continue; + } + int endIndex; + nResultPos = m_strText.Find(csWord, nStartPos); + if (nResultPos == -1) { + m_IsFind = FALSE; + return m_IsFind; + } + endIndex = nResultPos + csWord.GetLength() - 1; + if(iWord == 0) { + m_resStart = nResultPos; + } + FX_BOOL bMatch = TRUE; + if(iWord != 0 && !bSpaceStart) { + int PreResEndPos = nStartPos; + int curChar = csWord.GetAt(0); + CFX_WideString lastWord = m_csFindWhatArray[iWord - 1]; + int lastChar = lastWord.GetAt(lastWord.GetLength() - 1); + if(nStartPos == nResultPos && !(_IsIgnoreSpaceCharacter(lastChar) || _IsIgnoreSpaceCharacter(curChar))) { + bMatch = FALSE; + } + for(int d = PreResEndPos; d < nResultPos; d++) { + FX_WCHAR strInsert = m_strText.GetAt(d); + if(strInsert != TEXT_LINEFEED_CHAR && strInsert != TEXT_BLANK_CHAR && strInsert != TEXT_RETURN_CHAR && strInsert != 160) { + bMatch = FALSE; + break; + } + } + } else if(bSpaceStart) { + if(nResultPos > 0) { + FX_WCHAR strInsert = m_strText.GetAt(nResultPos - 1); + if(strInsert != TEXT_LINEFEED_CHAR && strInsert != TEXT_BLANK_CHAR && strInsert != TEXT_RETURN_CHAR && strInsert != 160) { + bMatch = FALSE; + m_resStart = nResultPos; + } else { + m_resStart = nResultPos - 1; + } + } + } + if(m_bMatchWholeWord && bMatch) { + bMatch = IsMatchWholeWord(m_strText, nResultPos, endIndex); + } + nStartPos = endIndex + 1; + if(!bMatch) { + iWord = -1; + if(bSpaceStart) { + nStartPos = m_resStart + m_csFindWhatArray[1].GetLength(); + } else { + nStartPos = m_resStart + m_csFindWhatArray[0].GetLength(); + } + } + } + m_resEnd = nResultPos + m_csFindWhatArray[m_csFindWhatArray.GetSize() - 1].GetLength() - 1; + m_IsFind = TRUE; + int resStart = GetCharIndex(m_resStart); + int resEnd = GetCharIndex(m_resEnd); + m_pTextPage->GetRectArray(resStart, resEnd - resStart + 1, m_resArray); + if(m_flags & FPDFTEXT_CONSECUTIVE) { + m_findNextStart = m_resStart + 1; + m_findPreStart = m_resEnd - 1; + } else { + m_findNextStart = m_resEnd + 1; + m_findPreStart = m_resStart - 1; + } + return m_IsFind; +} +FX_BOOL CPDF_TextPageFind::FindPrev() +{ + if (!m_pTextPage) { + return FALSE; + } + m_resArray.RemoveAll(); + if(m_strText.IsEmpty() || m_findPreStart < 0) { + m_IsFind = FALSE; + return m_IsFind; + } + CPDF_TextPageFind findEngine(m_pTextPage); + FX_BOOL ret = findEngine.FindFirst(m_findWhat, m_flags); + if(!ret) { + m_IsFind = FALSE; + return m_IsFind; + } + int order = -1, MatchedCount = 0; + while(ret) { + ret = findEngine.FindNext(); + if(ret) { + int order1 = findEngine.GetCurOrder() ; + int MatchedCount1 = findEngine.GetMatchedCount(); + if(((order1 + MatchedCount1) - 1) > m_findPreStart) { + break; + } + order = order1; + MatchedCount = MatchedCount1; + } + } + if(order == -1) { + m_IsFind = FALSE; + return m_IsFind; + } + m_resStart = m_pTextPage->TextIndexFromCharIndex(order); + m_resEnd = m_pTextPage->TextIndexFromCharIndex(order + MatchedCount - 1); + m_IsFind = TRUE; + m_pTextPage->GetRectArray(order, MatchedCount, m_resArray); + if(m_flags & FPDFTEXT_CONSECUTIVE) { + m_findNextStart = m_resStart + 1; + m_findPreStart = m_resEnd - 1; + } else { + m_findNextStart = m_resEnd + 1; + m_findPreStart = m_resStart - 1; + } + return m_IsFind; +} +void CPDF_TextPageFind::ExtractFindWhat(CFX_WideString findwhat) +{ + if(findwhat.IsEmpty()) { + return ; + } + int index = 0; + while(1) { + CFX_WideString csWord = TEXT_EMPTY; + int ret = ExtractSubString(csWord, findwhat, index, TEXT_BLANK_CHAR); + if(csWord.IsEmpty()) { + if(ret) { + m_csFindWhatArray.Add(CFX_WideString(L"")); + index++; + continue; + } else { + break; + } + } + int pos = 0; + FX_BOOL bLastIgnore = FALSE; + while(pos < csWord.GetLength()) { + CFX_WideString curStr = csWord.Mid(pos, 1); + FX_WCHAR curChar = csWord.GetAt(pos); + if (_IsIgnoreSpaceCharacter(curChar)) { + if (pos > 0 && curChar == 0x2019) { + pos++; + continue; + } + if (pos > 0 ) { + CFX_WideString preStr = csWord.Mid(0, pos); + m_csFindWhatArray.Add(preStr); + } + m_csFindWhatArray.Add(curStr); + if (pos == csWord.GetLength() - 1) { + csWord.Empty(); + break; + } + csWord = csWord.Right(csWord.GetLength() - pos - 1); + pos = 0; + bLastIgnore = TRUE; + continue; + } else { + bLastIgnore = FALSE; + } + pos++; + } + if (!csWord.IsEmpty()) { + m_csFindWhatArray.Add(csWord); + } + index++; + } + return; +} +FX_BOOL CPDF_TextPageFind::IsMatchWholeWord(CFX_WideString csPageText, int startPos, int endPos) +{ + int char_left = 0; + int char_right = 0; + int char_count = endPos - startPos + 1; + if(char_count < 1) { + return FALSE; + } + if (char_count == 1 && csPageText.GetAt(startPos) > 255) { + return TRUE; + } + if(startPos - 1 >= 0 ) { + char_left = csPageText.GetAt(startPos - 1); + } + if(startPos + char_count < csPageText.GetLength()) { + char_right = csPageText.GetAt(startPos + char_count); + } + if(char_left == 0x61) { + int a = 0; + } + if ((char_left > 'A' && char_left < 'a') || (char_left > 'a' && char_left < 'z') || (char_left > 0xfb00 && char_left < 0xfb06) || (char_left >= '0' && char_left <= '9') || + (char_right > 'A' && char_right < 'a') || (char_right > 'a' && char_right < 'z') || (char_right > 0xfb00 && char_right < 0xfb06) || (char_right >= '0' && char_right <= '9')) { + return FALSE; + } + if(!(('A' > char_left || char_left > 'Z') && ('a' > char_left || char_left > 'z') + && ('A' > char_right || char_right > 'Z') && ('a' > char_right || char_right > 'z'))) { + return FALSE; + } + if (char_count > 0) { + if (csPageText.GetAt(startPos) >= L'0' && csPageText.GetAt(startPos) <= L'9' && char_left >= L'0' && char_left <= L'9') { + return FALSE; + } + if (csPageText.GetAt(endPos) >= L'0' && csPageText.GetAt(endPos) <= L'9' && char_right >= L'0' && char_right <= L'9') { + return FALSE; + } + } + return TRUE; +} +FX_BOOL CPDF_TextPageFind::ExtractSubString(CFX_WideString& rString, FX_LPCWSTR lpszFullString, + int iSubString, FX_WCHAR chSep) +{ + if (lpszFullString == NULL) { + return FALSE; + } + while (iSubString--) { + lpszFullString = FXSYS_wcschr(lpszFullString, chSep); + if (lpszFullString == NULL) { + rString.Empty(); + return FALSE; + } + lpszFullString++; + while(*lpszFullString == chSep) { + lpszFullString++; + } + } + FX_LPCWSTR lpchEnd = FXSYS_wcschr(lpszFullString, chSep); + int nLen = (lpchEnd == NULL) ? + (int)FXSYS_wcslen(lpszFullString) : (int)(lpchEnd - lpszFullString); + ASSERT(nLen >= 0); + FXSYS_memcpy32(rString.GetBuffer(nLen), lpszFullString, nLen * sizeof(FX_WCHAR)); + rString.ReleaseBuffer(); + return TRUE; +} +CFX_WideString CPDF_TextPageFind::MakeReverse(const CFX_WideString str) +{ + CFX_WideString str2; + str2.Empty(); + int nlen = str.GetLength(); + for(int i = nlen - 1; i >= 0; i--) { + str2 += str.GetAt(i); + } + return str2; +} +void CPDF_TextPageFind::GetRectArray(CFX_RectArray& rects) const +{ + rects.Copy(m_resArray); +} +int CPDF_TextPageFind::GetCurOrder() const +{ + return GetCharIndex(m_resStart); +} +int CPDF_TextPageFind::GetMatchedCount()const +{ + int resStart = GetCharIndex(m_resStart); + int resEnd = GetCharIndex(m_resEnd); + return resEnd - resStart + 1; +} +CPDF_LinkExtract::CPDF_LinkExtract() + : m_pTextPage(NULL), + m_IsParserd(FALSE) +{ +} +CPDF_LinkExtract::~CPDF_LinkExtract() +{ + DeleteLinkList(); +} +FX_BOOL CPDF_LinkExtract::ExtractLinks(const IPDF_TextPage* pTextPage) +{ + if (!pTextPage || !pTextPage->IsParsered()) { + return FALSE; + } + m_pTextPage = (const CPDF_TextPage*)pTextPage; + m_strPageText = m_pTextPage->GetPageText(0, -1); + DeleteLinkList(); + if (m_strPageText.IsEmpty()) { + return FALSE; + } + parserLink(); + m_IsParserd = TRUE; + return TRUE; +} +void CPDF_LinkExtract::DeleteLinkList() +{ + while (m_LinkList.GetSize()) { + CPDF_LinkExt* linkinfo = NULL; + linkinfo = m_LinkList.GetAt(0); + m_LinkList.RemoveAt(0); + delete linkinfo; + } + m_LinkList.RemoveAll(); +} +int CPDF_LinkExtract::CountLinks() const +{ + if (!m_IsParserd) { + return -1; + } + return m_LinkList.GetSize(); +} +void CPDF_LinkExtract::parserLink() +{ + int start = 0, pos = 0; + int TotalChar = m_pTextPage->CountChars(); + while (pos < TotalChar) { + FPDF_CHAR_INFO pageChar; + m_pTextPage->GetCharInfo(pos, pageChar); + if (pageChar.m_Flag == CHAR_GENERATED || pageChar.m_Unicode == 0x20 || pos == TotalChar - 1) { + int nCount = pos - start; + if(pos == TotalChar - 1) { + nCount++; + } + CFX_WideString strBeCheck; + strBeCheck = m_pTextPage->GetPageText(start, nCount); + if (strBeCheck.GetLength() > 5) { + while(strBeCheck.GetLength() > 0) { + FX_WCHAR ch = strBeCheck.GetAt(strBeCheck.GetLength() - 1); + if (ch == L')' || ch == L',' || ch == L'>' || ch == L'.') { + strBeCheck = strBeCheck.Mid(0, strBeCheck.GetLength() - 1); + nCount--; + } else { + break; + } + } + if (nCount > 5 && (CheckWebLink(strBeCheck) || CheckMailLink(strBeCheck))) { + if (!AppendToLinkList(start, nCount, strBeCheck)) { + break; + } + } + } + start = ++pos; + } else { + pos++; + } + } +} +FX_BOOL CPDF_LinkExtract::CheckWebLink(CFX_WideString& strBeCheck) +{ + CFX_WideString str = strBeCheck; + str.MakeLower(); + if (str.Find(L"http://www.") != -1) { + strBeCheck = strBeCheck.Right(str.GetLength() - str.Find(L"http://www.")); + return TRUE; + } else if (str.Find(L"http://") != -1) { + strBeCheck = strBeCheck.Right(str.GetLength() - str.Find(L"http://")); + return TRUE; + } else if (str.Find(L"https://www.") != -1) { + strBeCheck = strBeCheck.Right(str.GetLength() - str.Find(L"https://www.")); + return TRUE; + } else if (str.Find(L"https://") != -1) { + strBeCheck = strBeCheck.Right(str.GetLength() - str.Find(L"https://")); + return TRUE; + } else if (str.Find(L"www.") != -1) { + strBeCheck = strBeCheck.Right(str.GetLength() - str.Find(L"www.")); + strBeCheck = L"http://" + strBeCheck; + return TRUE; + } else { + return FALSE; + } +} +FX_BOOL CPDF_LinkExtract::CheckMailLink(CFX_WideString& str) +{ + str.MakeLower(); + int aPos = str.Find(L'@'); + if (aPos < 1) { + return FALSE; + } + if (str.GetAt(aPos - 1) == L'.' || str.GetAt(aPos - 1) == L'_') { + return FALSE; + } + int i; + for (i = aPos - 1; i >= 0; i--) { + FX_WCHAR ch = str.GetAt(i); + if (ch == L'_' || ch == L'.' || (ch >= L'a' && ch <= L'z') || (ch >= L'0' && ch <= L'9')) { + continue; + } else { + if (i == aPos - 1) { + return FALSE; + } + str = str.Right(str.GetLength() - i - 1); + break; + } + } + aPos = str.Find(L'@'); + if (aPos < 1) { + return FALSE; + } + CFX_WideString strtemp = L""; + for (i = 0; i < aPos; i++) { + FX_WCHAR wch = str.GetAt(i); + if (wch >= L'a' && wch <= L'z') { + break; + } else { + strtemp = str.Right(str.GetLength() - i + 1); + } + } + if (strtemp != L"") { + str = strtemp; + } + aPos = str.Find(L'@'); + if (aPos < 1) { + return FALSE; + } + str.TrimRight(L'.'); + strtemp = str; + int ePos = str.Find(L'.'); + if (ePos == -1) { + return FALSE; + } + while (ePos != -1) { + strtemp = strtemp.Right(strtemp.GetLength() - ePos - 1); + ePos = strtemp.Find('.'); + } + ePos = strtemp.GetLength(); + for (i = 0; i < ePos; i++) { + FX_WCHAR wch = str.GetAt(i); + if ((wch >= L'a' && wch <= L'z') || (wch >= L'0' && wch <= L'9')) { + continue; + } else { + str = str.Left(str.GetLength() - ePos + i + 1); + ePos = ePos - i - 1; + break; + } + } + int nLen = str.GetLength(); + for (i = aPos + 1; i < nLen - ePos; i++) { + FX_WCHAR wch = str.GetAt(i); + if (wch == L'-' || wch == L'.' || (wch >= L'a' && wch <= L'z') || (wch >= L'0' && wch <= L'9')) { + continue; + } else { + return FALSE; + } + } + if (str.Find(L"mailto:") == -1) { + str = L"mailto:" + str; + } + return TRUE; +} +FX_BOOL CPDF_LinkExtract::AppendToLinkList(int start, int count, CFX_WideString strUrl) +{ + CPDF_LinkExt* linkInfo = NULL; + linkInfo = FX_NEW CPDF_LinkExt; + if (!linkInfo) { + return FALSE; + } + linkInfo->m_strUrl = strUrl; + linkInfo->m_Start = start; + linkInfo->m_Count = count; + m_LinkList.Add(linkInfo); + return TRUE; +} +CFX_WideString CPDF_LinkExtract::GetURL(int index) const +{ + if (!m_IsParserd || index < 0 || index >= m_LinkList.GetSize()) { + return L""; + } + CPDF_LinkExt* link = NULL; + link = m_LinkList.GetAt(index); + if (!link) { + return L""; + } + return link->m_strUrl; +} +void CPDF_LinkExtract::GetBoundedSegment(int index, int& start, int& count) const +{ + if (!m_IsParserd || index < 0 || index >= m_LinkList.GetSize()) { + return ; + } + CPDF_LinkExt* link = NULL; + link = m_LinkList.GetAt(index); + if (!link) { + return ; + } + start = link->m_Start; + count = link->m_Count; +} +void CPDF_LinkExtract::GetRects(int index, CFX_RectArray& rects) const +{ + if (!m_IsParserd || index < 0 || index >= m_LinkList.GetSize()) { + return; + } + CPDF_LinkExt* link = NULL; + link = m_LinkList.GetAt(index); + if (!link) { + return ; + } + m_pTextPage->GetRectArray(link->m_Start, link->m_Count, rects); +} |