diff options
Diffstat (limited to 'core/src/fpdftext/fpdf_text_int.cpp')
| -rw-r--r-- | core/src/fpdftext/fpdf_text_int.cpp | 2804 |
1 files changed, 2804 insertions, 0 deletions
diff --git a/core/src/fpdftext/fpdf_text_int.cpp b/core/src/fpdftext/fpdf_text_int.cpp new file mode 100644 index 0000000000..36b0442ffc --- /dev/null +++ b/core/src/fpdftext/fpdf_text_int.cpp @@ -0,0 +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);
+}
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