diff options
Diffstat (limited to 'core/src/fpdftext/fpdf_text.cpp')
| -rw-r--r-- | core/src/fpdftext/fpdf_text.cpp | 1468 |
1 files changed, 747 insertions, 721 deletions
diff --git a/core/src/fpdftext/fpdf_text.cpp b/core/src/fpdftext/fpdf_text.cpp index 003af30a0e..48402df723 100644 --- a/core/src/fpdftext/fpdf_text.cpp +++ b/core/src/fpdftext/fpdf_text.cpp @@ -14,773 +14,799 @@ #include "text_int.h" #include "txtproc.h" -CFX_ByteString CharFromUnicodeAlt(FX_WCHAR unicode, int destcp, const FX_CHAR* defchar) -{ - if (destcp == 0) { - if (unicode < 0x80) { - return CFX_ByteString((char)unicode); - } - const FX_CHAR* altstr = FCS_GetAltStr(unicode); - if (altstr) { - return CFX_ByteString(altstr, -1); - } - return CFX_ByteString(defchar, -1); - } - char buf[10]; - int iDef = 0; - int ret = FXSYS_WideCharToMultiByte(destcp, 0, (wchar_t*)&unicode, 1, buf, 10, NULL, &iDef); - if (ret && !iDef) { - return CFX_ByteString(buf, ret); +CFX_ByteString CharFromUnicodeAlt(FX_WCHAR unicode, + int destcp, + const FX_CHAR* defchar) { + if (destcp == 0) { + if (unicode < 0x80) { + return CFX_ByteString((char)unicode); } const FX_CHAR* altstr = FCS_GetAltStr(unicode); if (altstr) { - return CFX_ByteString(altstr, -1); + return CFX_ByteString(altstr, -1); } return CFX_ByteString(defchar, -1); + } + char buf[10]; + int iDef = 0; + int ret = FXSYS_WideCharToMultiByte(destcp, 0, (wchar_t*)&unicode, 1, buf, 10, + NULL, &iDef); + if (ret && !iDef) { + return CFX_ByteString(buf, ret); + } + const FX_CHAR* altstr = FCS_GetAltStr(unicode); + if (altstr) { + return CFX_ByteString(altstr, -1); + } + return CFX_ByteString(defchar, -1); } -CTextPage::CTextPage() -{ +CTextPage::CTextPage() {} +CTextPage::~CTextPage() { + int i; + for (i = 0; i < m_BaseLines.GetSize(); i++) { + CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i); + delete pBaseLine; + } + for (i = 0; i < m_TextColumns.GetSize(); i++) { + CTextColumn* pTextColumn = (CTextColumn*)m_TextColumns.GetAt(i); + delete pTextColumn; + } } -CTextPage::~CTextPage() -{ - int i; - for (i = 0; i < m_BaseLines.GetSize(); i ++) { - CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i); - delete pBaseLine; - } - for (i = 0; i < m_TextColumns.GetSize(); i ++) { - CTextColumn* pTextColumn = (CTextColumn*)m_TextColumns.GetAt(i); - delete pTextColumn; - } -} -void CTextPage::ProcessObject(CPDF_PageObject* pObject) -{ - if (pObject->m_Type != PDFPAGE_TEXT) { - return; - } - CPDF_TextObject* pText = (CPDF_TextObject*)pObject; - CPDF_Font* pFont = pText->m_TextState.GetFont(); - int count = pText->CountItems(); - FX_FLOAT* pPosArray = FX_Alloc2D(FX_FLOAT, count, 2); - pText->CalcCharPos(pPosArray); +void CTextPage::ProcessObject(CPDF_PageObject* pObject) { + if (pObject->m_Type != PDFPAGE_TEXT) { + return; + } + CPDF_TextObject* pText = (CPDF_TextObject*)pObject; + CPDF_Font* pFont = pText->m_TextState.GetFont(); + int count = pText->CountItems(); + FX_FLOAT* pPosArray = FX_Alloc2D(FX_FLOAT, count, 2); + pText->CalcCharPos(pPosArray); - FX_FLOAT fontsize_h = pText->m_TextState.GetFontSizeH(); - FX_FLOAT fontsize_v = pText->m_TextState.GetFontSizeV(); - FX_DWORD space_charcode = pFont->CharCodeFromUnicode(' '); - FX_FLOAT spacew = 0; - if (space_charcode != -1) { - spacew = fontsize_h * pFont->GetCharWidthF(space_charcode) / 1000; - } - if (spacew == 0) { - spacew = fontsize_h / 4; - } - if (pText->m_TextState.GetBaselineAngle() != 0) { - int cc = 0; - CFX_AffineMatrix matrix; - pText->GetTextMatrix(&matrix); - for (int i = 0; i < pText->m_nChars; i ++) { - FX_DWORD charcode = pText->m_nChars == 1 ? (FX_DWORD)(uintptr_t)pText->m_pCharCodes : pText->m_pCharCodes[i]; - if (charcode == (FX_DWORD) - 1) { - continue; - } - FX_RECT char_box; - pFont->GetCharBBox(charcode, char_box); - FX_FLOAT char_left = pPosArray ? pPosArray[cc * 2] : char_box.left * pText->m_TextState.GetFontSize() / 1000; - FX_FLOAT char_right = pPosArray ? pPosArray[cc * 2 + 1] : char_box.right * pText->m_TextState.GetFontSize() / 1000; - FX_FLOAT char_top = char_box.top * pText->m_TextState.GetFontSize() / 1000; - FX_FLOAT char_bottom = char_box.bottom * pText->m_TextState.GetFontSize() / 1000; - cc ++; - FX_FLOAT char_origx, char_origy; - matrix.Transform(char_left, 0, char_origx, char_origy); - matrix.TransformRect(char_left, char_right, char_top, char_bottom); - CFX_ByteString str; - pFont->AppendChar(str, charcode); - InsertTextBox(NULL, char_origy, char_left, char_right, char_top, - char_bottom, spacew, fontsize_v, str, pFont); - } - if (pPosArray) { - FX_Free(pPosArray); - } - return; - } - FX_FLOAT ratio_h = fontsize_h / pText->m_TextState.GetFontSize(); - for (int ii = 0; ii < count * 2; ii ++) { - pPosArray[ii] *= ratio_h; - } - FX_FLOAT baseline = pText->m_PosY; - CTextBaseLine* pBaseLine = NULL; - FX_FLOAT topy = pText->m_Top; - FX_FLOAT bottomy = pText->m_Bottom; - FX_FLOAT leftx = pText->m_Left; + FX_FLOAT fontsize_h = pText->m_TextState.GetFontSizeH(); + FX_FLOAT fontsize_v = pText->m_TextState.GetFontSizeV(); + FX_DWORD space_charcode = pFont->CharCodeFromUnicode(' '); + FX_FLOAT spacew = 0; + if (space_charcode != -1) { + spacew = fontsize_h * pFont->GetCharWidthF(space_charcode) / 1000; + } + if (spacew == 0) { + spacew = fontsize_h / 4; + } + if (pText->m_TextState.GetBaselineAngle() != 0) { int cc = 0; - CFX_ByteString segment; - int space_count = 0; - FX_FLOAT last_left = 0, last_right = 0, segment_left = 0, segment_right = 0; - for (int i = 0; i < pText->m_nChars; i ++) { - FX_DWORD charcode = pText->m_nChars == 1 ? (FX_DWORD)(uintptr_t)pText->m_pCharCodes : pText->m_pCharCodes[i]; - if (charcode == (FX_DWORD) - 1) { - continue; - } - FX_FLOAT char_left = pPosArray[cc * 2]; - FX_FLOAT char_right = pPosArray[cc * 2 + 1]; - cc ++; - if (char_left < last_left || (char_left - last_right) > spacew / 2) { - pBaseLine = InsertTextBox(pBaseLine, baseline, leftx + segment_left, leftx + segment_right, - topy, bottomy, spacew, fontsize_v, segment, pFont); - segment_left = char_left; - segment = ""; - } - if (space_count > 1) { - pBaseLine = InsertTextBox(pBaseLine, baseline, leftx + segment_left, leftx + segment_right, - topy, bottomy, spacew, fontsize_v, segment, pFont); - segment = ""; - } else if (space_count == 1) { - pFont->AppendChar(segment, ' '); - } - if (segment.GetLength() == 0) { - segment_left = char_left; - } - segment_right = char_right; - pFont->AppendChar(segment, charcode); - space_count = 0; - last_left = char_left; - last_right = char_right; - } - if (segment.GetLength()) - pBaseLine = InsertTextBox(pBaseLine, baseline, leftx + segment_left, leftx + segment_right, - topy, bottomy, spacew, fontsize_v, segment, pFont); - FX_Free(pPosArray); + CFX_AffineMatrix matrix; + pText->GetTextMatrix(&matrix); + for (int i = 0; i < pText->m_nChars; i++) { + FX_DWORD charcode = pText->m_nChars == 1 + ? (FX_DWORD)(uintptr_t)pText->m_pCharCodes + : pText->m_pCharCodes[i]; + if (charcode == (FX_DWORD)-1) { + continue; + } + FX_RECT char_box; + pFont->GetCharBBox(charcode, char_box); + FX_FLOAT char_left = + pPosArray ? pPosArray[cc * 2] + : char_box.left * pText->m_TextState.GetFontSize() / 1000; + FX_FLOAT char_right = + pPosArray ? pPosArray[cc * 2 + 1] + : char_box.right * pText->m_TextState.GetFontSize() / 1000; + FX_FLOAT char_top = + char_box.top * pText->m_TextState.GetFontSize() / 1000; + FX_FLOAT char_bottom = + char_box.bottom * pText->m_TextState.GetFontSize() / 1000; + cc++; + FX_FLOAT char_origx, char_origy; + matrix.Transform(char_left, 0, char_origx, char_origy); + matrix.TransformRect(char_left, char_right, char_top, char_bottom); + CFX_ByteString str; + pFont->AppendChar(str, charcode); + InsertTextBox(NULL, char_origy, char_left, char_right, char_top, + char_bottom, spacew, fontsize_v, str, pFont); + } + if (pPosArray) { + FX_Free(pPosArray); + } + return; + } + FX_FLOAT ratio_h = fontsize_h / pText->m_TextState.GetFontSize(); + for (int ii = 0; ii < count * 2; ii++) { + pPosArray[ii] *= ratio_h; + } + FX_FLOAT baseline = pText->m_PosY; + CTextBaseLine* pBaseLine = NULL; + FX_FLOAT topy = pText->m_Top; + FX_FLOAT bottomy = pText->m_Bottom; + FX_FLOAT leftx = pText->m_Left; + int cc = 0; + CFX_ByteString segment; + int space_count = 0; + FX_FLOAT last_left = 0, last_right = 0, segment_left = 0, segment_right = 0; + for (int i = 0; i < pText->m_nChars; i++) { + FX_DWORD charcode = pText->m_nChars == 1 + ? (FX_DWORD)(uintptr_t)pText->m_pCharCodes + : pText->m_pCharCodes[i]; + if (charcode == (FX_DWORD)-1) { + continue; + } + FX_FLOAT char_left = pPosArray[cc * 2]; + FX_FLOAT char_right = pPosArray[cc * 2 + 1]; + cc++; + if (char_left < last_left || (char_left - last_right) > spacew / 2) { + pBaseLine = InsertTextBox(pBaseLine, baseline, leftx + segment_left, + leftx + segment_right, topy, bottomy, spacew, + fontsize_v, segment, pFont); + segment_left = char_left; + segment = ""; + } + if (space_count > 1) { + pBaseLine = InsertTextBox(pBaseLine, baseline, leftx + segment_left, + leftx + segment_right, topy, bottomy, spacew, + fontsize_v, segment, pFont); + segment = ""; + } else if (space_count == 1) { + pFont->AppendChar(segment, ' '); + } + if (segment.GetLength() == 0) { + segment_left = char_left; + } + segment_right = char_right; + pFont->AppendChar(segment, charcode); + space_count = 0; + last_left = char_left; + last_right = char_right; + } + if (segment.GetLength()) + pBaseLine = InsertTextBox(pBaseLine, baseline, leftx + segment_left, + leftx + segment_right, topy, bottomy, spacew, + fontsize_v, segment, pFont); + FX_Free(pPosArray); } -CTextBaseLine* CTextPage::InsertTextBox(CTextBaseLine* pBaseLine, FX_FLOAT basey, FX_FLOAT leftx, - FX_FLOAT rightx, FX_FLOAT topy, FX_FLOAT bottomy, FX_FLOAT spacew, FX_FLOAT fontsize_v, - CFX_ByteString& str, CPDF_Font* pFont) -{ - if (str.GetLength() == 0) { - return NULL; +CTextBaseLine* CTextPage::InsertTextBox(CTextBaseLine* pBaseLine, + FX_FLOAT basey, + FX_FLOAT leftx, + FX_FLOAT rightx, + FX_FLOAT topy, + FX_FLOAT bottomy, + FX_FLOAT spacew, + FX_FLOAT fontsize_v, + CFX_ByteString& str, + CPDF_Font* pFont) { + if (str.GetLength() == 0) { + return NULL; + } + if (pBaseLine == NULL) { + int i; + for (i = 0; i < m_BaseLines.GetSize(); i++) { + CTextBaseLine* pExistLine = (CTextBaseLine*)m_BaseLines.GetAt(i); + if (pExistLine->m_BaseLine == basey) { + pBaseLine = pExistLine; + break; + } + if (pExistLine->m_BaseLine < basey) { + break; + } } if (pBaseLine == NULL) { - int i; - for (i = 0; i < m_BaseLines.GetSize(); i ++) { - CTextBaseLine* pExistLine = (CTextBaseLine*)m_BaseLines.GetAt(i); - if (pExistLine->m_BaseLine == basey) { - pBaseLine = pExistLine; - break; - } - if (pExistLine->m_BaseLine < basey) { - break; - } - } - if (pBaseLine == NULL) { - pBaseLine = FX_NEW CTextBaseLine; - if (NULL == pBaseLine) { - return NULL; - } - pBaseLine->m_BaseLine = basey; - m_BaseLines.InsertAt(i, pBaseLine); - } - } - CFX_WideString text; - const FX_CHAR* pStr = str; - int len = str.GetLength(), offset = 0; - while (offset < len) { - FX_DWORD ch = pFont->GetNextChar(pStr, len, offset); - CFX_WideString unicode_str = pFont->UnicodeFromCharCode(ch); - if (unicode_str.IsEmpty()) { - text += (FX_WCHAR)ch; - } - else { - text += unicode_str; - } + pBaseLine = FX_NEW CTextBaseLine; + if (NULL == pBaseLine) { + return NULL; + } + pBaseLine->m_BaseLine = basey; + m_BaseLines.InsertAt(i, pBaseLine); + } + } + CFX_WideString text; + const FX_CHAR* pStr = str; + int len = str.GetLength(), offset = 0; + while (offset < len) { + FX_DWORD ch = pFont->GetNextChar(pStr, len, offset); + CFX_WideString unicode_str = pFont->UnicodeFromCharCode(ch); + if (unicode_str.IsEmpty()) { + text += (FX_WCHAR)ch; + } else { + text += unicode_str; } - pBaseLine->InsertTextBox(leftx, rightx, topy, bottomy, spacew, fontsize_v, text); - return pBaseLine; + } + pBaseLine->InsertTextBox(leftx, rightx, topy, bottomy, spacew, fontsize_v, + text); + return pBaseLine; } -void CTextPage::WriteOutput(CFX_WideStringArray& lines, int iMinWidth) -{ - FX_FLOAT lastheight = -1; - FX_FLOAT lastbaseline = -1; - FX_FLOAT MinLeftX = 1000000; - FX_FLOAT MaxRightX = 0; - int i; - for (i = 0; i < m_BaseLines.GetSize(); i ++) { - CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i); - FX_FLOAT leftx, rightx; - if (pBaseLine->GetWidth(leftx, rightx)) { - if (leftx < MinLeftX) { - MinLeftX = leftx; - } - if (rightx > MaxRightX) { - MaxRightX = rightx; - } - } - } - for (i = 0; i < m_BaseLines.GetSize(); i ++) { - CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i); - pBaseLine->MergeBoxes(); - } - for (i = 1; i < m_BaseLines.GetSize(); i ++) { - CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i); - CTextBaseLine* pPrevLine = (CTextBaseLine*)m_BaseLines.GetAt(i - 1); - if (pBaseLine->CanMerge(pPrevLine)) { - pPrevLine->Merge(pBaseLine); - delete pBaseLine; - m_BaseLines.RemoveAt(i); - i --; - } - } - if (m_bAutoWidth) { - int* widths = FX_Alloc(int, m_BaseLines.GetSize()); - for (i = 0; i < m_BaseLines.GetSize(); i ++) { - widths[i] = 0; - CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i); - int TotalChars = 0; - FX_FLOAT TotalWidth = 0; - int minchars; - pBaseLine->CountChars(TotalChars, TotalWidth, minchars); - if (TotalChars) { - FX_FLOAT charwidth = TotalWidth / TotalChars; - widths[i] = (int)((MaxRightX - MinLeftX) / charwidth); - } - if (widths[i] > 1000) { - widths[i] = 1000; - } - if (widths[i] < minchars) { - widths[i] = minchars; - } - } - int AvgWidth = 0, widthcount = 0; - for (i = 0; i < m_BaseLines.GetSize(); i ++) - if (widths[i]) { - AvgWidth += widths[i]; - widthcount ++; - } - AvgWidth = int((FX_FLOAT)AvgWidth / widthcount + 0.5); - int MaxWidth = 0; - for (i = 0; i < m_BaseLines.GetSize(); i ++) - if (MaxWidth < widths[i]) { - MaxWidth = widths[i]; - } - if (MaxWidth > AvgWidth * 6 / 5) { - MaxWidth = AvgWidth * 6 / 5; - } - FX_Free(widths); - if (iMinWidth < MaxWidth) { - iMinWidth = MaxWidth; - } - } - for (i = 0; i < m_BaseLines.GetSize(); i ++) { - CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i); - pBaseLine->MergeBoxes(); - } - if (m_bKeepColumn) { - FindColumns(); - } - for (i = 0; i < m_BaseLines.GetSize(); i ++) { - CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i); - if (lastheight >= 0) { - FX_FLOAT dy = lastbaseline - pBaseLine->m_BaseLine; - if (dy >= (pBaseLine->m_MaxFontSizeV) * 1.5 || dy >= lastheight * 1.5) { - lines.Add(L""); - } - } - lastheight = pBaseLine->m_MaxFontSizeV; - lastbaseline = pBaseLine->m_BaseLine; - CFX_WideString str; - pBaseLine->WriteOutput(str, MinLeftX, MaxRightX - MinLeftX, iMinWidth); - lines.Add(str); - } +void CTextPage::WriteOutput(CFX_WideStringArray& lines, int iMinWidth) { + FX_FLOAT lastheight = -1; + FX_FLOAT lastbaseline = -1; + FX_FLOAT MinLeftX = 1000000; + FX_FLOAT MaxRightX = 0; + int i; + for (i = 0; i < m_BaseLines.GetSize(); i++) { + CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i); + FX_FLOAT leftx, rightx; + if (pBaseLine->GetWidth(leftx, rightx)) { + if (leftx < MinLeftX) { + MinLeftX = leftx; + } + if (rightx > MaxRightX) { + MaxRightX = rightx; + } + } + } + for (i = 0; i < m_BaseLines.GetSize(); i++) { + CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i); + pBaseLine->MergeBoxes(); + } + for (i = 1; i < m_BaseLines.GetSize(); i++) { + CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i); + CTextBaseLine* pPrevLine = (CTextBaseLine*)m_BaseLines.GetAt(i - 1); + if (pBaseLine->CanMerge(pPrevLine)) { + pPrevLine->Merge(pBaseLine); + delete pBaseLine; + m_BaseLines.RemoveAt(i); + i--; + } + } + if (m_bAutoWidth) { + int* widths = FX_Alloc(int, m_BaseLines.GetSize()); + for (i = 0; i < m_BaseLines.GetSize(); i++) { + widths[i] = 0; + CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i); + int TotalChars = 0; + FX_FLOAT TotalWidth = 0; + int minchars; + pBaseLine->CountChars(TotalChars, TotalWidth, minchars); + if (TotalChars) { + FX_FLOAT charwidth = TotalWidth / TotalChars; + widths[i] = (int)((MaxRightX - MinLeftX) / charwidth); + } + if (widths[i] > 1000) { + widths[i] = 1000; + } + if (widths[i] < minchars) { + widths[i] = minchars; + } + } + int AvgWidth = 0, widthcount = 0; + for (i = 0; i < m_BaseLines.GetSize(); i++) + if (widths[i]) { + AvgWidth += widths[i]; + widthcount++; + } + AvgWidth = int((FX_FLOAT)AvgWidth / widthcount + 0.5); + int MaxWidth = 0; + for (i = 0; i < m_BaseLines.GetSize(); i++) + if (MaxWidth < widths[i]) { + MaxWidth = widths[i]; + } + if (MaxWidth > AvgWidth * 6 / 5) { + MaxWidth = AvgWidth * 6 / 5; + } + FX_Free(widths); + if (iMinWidth < MaxWidth) { + iMinWidth = MaxWidth; + } + } + for (i = 0; i < m_BaseLines.GetSize(); i++) { + CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i); + pBaseLine->MergeBoxes(); + } + if (m_bKeepColumn) { + FindColumns(); + } + for (i = 0; i < m_BaseLines.GetSize(); i++) { + CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i); + if (lastheight >= 0) { + FX_FLOAT dy = lastbaseline - pBaseLine->m_BaseLine; + if (dy >= (pBaseLine->m_MaxFontSizeV) * 1.5 || dy >= lastheight * 1.5) { + lines.Add(L""); + } + } + lastheight = pBaseLine->m_MaxFontSizeV; + lastbaseline = pBaseLine->m_BaseLine; + CFX_WideString str; + pBaseLine->WriteOutput(str, MinLeftX, MaxRightX - MinLeftX, iMinWidth); + lines.Add(str); + } } -void NormalizeCompositeChar(FX_WCHAR wChar, CFX_WideString& sDest) -{ - wChar = FX_GetMirrorChar(wChar, TRUE, FALSE); - FX_WCHAR* pDst = NULL; - FX_STRSIZE nCount = FX_Unicode_GetNormalization(wChar, pDst); - if (nCount < 1 ) { - sDest += wChar; - return; - } - pDst = new FX_WCHAR[nCount]; - FX_Unicode_GetNormalization(wChar, pDst); - for (int nIndex = 0; nIndex < nCount; nIndex++) { - sDest += pDst[nIndex]; - } - delete[] pDst; +void NormalizeCompositeChar(FX_WCHAR wChar, CFX_WideString& sDest) { + wChar = FX_GetMirrorChar(wChar, TRUE, FALSE); + FX_WCHAR* pDst = NULL; + FX_STRSIZE nCount = FX_Unicode_GetNormalization(wChar, pDst); + if (nCount < 1) { + sDest += wChar; + return; + } + pDst = new FX_WCHAR[nCount]; + FX_Unicode_GetNormalization(wChar, pDst); + for (int nIndex = 0; nIndex < nCount; nIndex++) { + sDest += pDst[nIndex]; + } + delete[] pDst; } -void NormalizeString(CFX_WideString& str) -{ - if (str.GetLength() <= 0) { - return; - } - CFX_WideString sBuffer; - nonstd::unique_ptr<IFX_BidiChar> pBidiChar(IFX_BidiChar::Create()); - CFX_WordArray order; - FX_BOOL bR2L = FALSE; - int32_t start = 0, count = 0, i = 0; - int nR2L = 0, nL2R = 0; - for (i = 0; i < str.GetLength(); i++) { - if(pBidiChar->AppendChar(str.GetAt(i))) { - int32_t ret = pBidiChar->GetBidiInfo(start, count); - order.Add(start); - order.Add(count); - order.Add(ret); - if(!bR2L) { - if(ret == 2) { - nR2L++; - } else if (ret == 1) { - nL2R++; - } - } +void NormalizeString(CFX_WideString& str) { + if (str.GetLength() <= 0) { + return; + } + CFX_WideString sBuffer; + nonstd::unique_ptr<IFX_BidiChar> pBidiChar(IFX_BidiChar::Create()); + CFX_WordArray order; + FX_BOOL bR2L = FALSE; + int32_t start = 0, count = 0, i = 0; + int nR2L = 0, nL2R = 0; + for (i = 0; i < str.GetLength(); i++) { + if (pBidiChar->AppendChar(str.GetAt(i))) { + int32_t ret = pBidiChar->GetBidiInfo(start, count); + order.Add(start); + order.Add(count); + order.Add(ret); + if (!bR2L) { + if (ret == 2) { + nR2L++; + } else if (ret == 1) { + nL2R++; + } + } + } + } + if (pBidiChar->EndChar()) { + int32_t ret = pBidiChar->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 (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--) { + NormalizeCompositeChar(str[i], sBuffer); + } + } 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(pBidiChar->EndChar()) { - int32_t ret = pBidiChar->GetBidiInfo(start, count); - order.Add(start); - order.Add(count); - order.Add(ret); - if(!bR2L) { - if(ret == 2) { - nR2L++; - } else if(ret == 1) { - nL2R++; + if (n >= j) { + for (int m = start; m < end; m++) { + sBuffer += str[m]; + } + } else { + i = j; + j = n; + for (; n <= i; n += 3) { + int start = order.GetAt(n - 2); + int count1 = order.GetAt(n - 1); + int end = start + count1; + for (int m = start; m < end; m++) { + sBuffer += 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(nR2L > 0 && nR2L >= nL2R) { - bR2L = TRUE; - } - if(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--) { - NormalizeCompositeChar(str[i], sBuffer); - } - } 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++) { - sBuffer += str[m]; - } - } else { - i = j; - j = n; - for(; n <= i; n += 3) { - int start = order.GetAt(n - 2); - int count1 = order.GetAt(n - 1); - int end = start + count1 ; - for(int m = start; m < end; m++) { - sBuffer += str[m]; - } - } - } - } + if (i == 3) { + j = -3; + bL2R = TRUE; + continue; } - } 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 = str.GetLength() - 1; - if(i < count) { - end = order.GetAt(i) - 1; - } - j = i - 3; - for(int n = end; n >= start; n--) { - NormalizeCompositeChar(str[i], sBuffer); - } - } else { - int end = start + count1 ; - for(int i = start; i < end; i++) { - sBuffer += str[i]; - } - } + int end = str.GetLength() - 1; + if (i < count) { + end = order.GetAt(i) - 1; } - } - str.Empty(); - str += sBuffer; -} -static FX_BOOL IsNumber(CFX_WideString& str) -{ - for (int i = 0; i < str.GetLength(); i ++) { - FX_WCHAR ch = str[i]; - if ((ch < '0' || ch > '9') && ch != '-' && ch != '+' && ch != '.' && ch != ' ') { - return FALSE; + j = i - 3; + for (int n = end; n >= start; n--) { + NormalizeCompositeChar(str[i], sBuffer); } - } - return TRUE; -} -void CTextPage::FindColumns() -{ - int i; - for (i = 0; i < m_BaseLines.GetSize(); i ++) { - CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i); - for (int j = 0; j < pBaseLine->m_TextList.GetSize(); j ++) { - CTextBox* pTextBox = (CTextBox*)pBaseLine->m_TextList.GetAt(j); - CTextColumn* pColumn = FindColumn(pTextBox->m_Right); - if (pColumn == NULL) { - pColumn = FX_NEW CTextColumn; - if (pColumn) { - pColumn->m_Count = 1; - pColumn->m_AvgPos = pTextBox->m_Right; - pColumn->m_TextPos = -1; - m_TextColumns.Add(pColumn); - } - } else { - pColumn->m_AvgPos = (pColumn->m_Count * pColumn->m_AvgPos + pTextBox->m_Right) / - (pColumn->m_Count + 1); - pColumn->m_Count ++; - } - } - } - int mincount = m_BaseLines.GetSize() / 4; - for (i = 0; i < m_TextColumns.GetSize(); i ++) { - CTextColumn* pTextColumn = (CTextColumn*)m_TextColumns.GetAt(i); - if (pTextColumn->m_Count >= mincount) { - continue; - } - delete pTextColumn; - m_TextColumns.RemoveAt(i); - i --; - } - for (i = 0; i < m_BaseLines.GetSize(); i ++) { - CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i); - for (int j = 0; j < pBaseLine->m_TextList.GetSize(); j ++) { - CTextBox* pTextBox = (CTextBox*)pBaseLine->m_TextList.GetAt(j); - if (IsNumber(pTextBox->m_Text)) { - pTextBox->m_pColumn = FindColumn(pTextBox->m_Right); - } + } else { + int end = start + count1; + for (int i = start; i < end; i++) { + sBuffer += str[i]; } + } } + } + str.Empty(); + str += sBuffer; } -CTextColumn* CTextPage::FindColumn(FX_FLOAT xpos) -{ - for (int i = 0; i < m_TextColumns.GetSize(); i ++) { - CTextColumn* pColumn = (CTextColumn*)m_TextColumns.GetAt(i); - if (pColumn->m_AvgPos < xpos + 1 && pColumn->m_AvgPos > xpos - 1) { - return pColumn; - } - } - return NULL; +static FX_BOOL IsNumber(CFX_WideString& str) { + for (int i = 0; i < str.GetLength(); i++) { + FX_WCHAR ch = str[i]; + if ((ch < '0' || ch > '9') && ch != '-' && ch != '+' && ch != '.' && + ch != ' ') { + return FALSE; + } + } + return TRUE; } -void CTextPage::BreakSpace(CPDF_TextObject* pTextObj) -{ +void CTextPage::FindColumns() { + int i; + for (i = 0; i < m_BaseLines.GetSize(); i++) { + CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i); + for (int j = 0; j < pBaseLine->m_TextList.GetSize(); j++) { + CTextBox* pTextBox = (CTextBox*)pBaseLine->m_TextList.GetAt(j); + CTextColumn* pColumn = FindColumn(pTextBox->m_Right); + if (pColumn == NULL) { + pColumn = FX_NEW CTextColumn; + if (pColumn) { + pColumn->m_Count = 1; + pColumn->m_AvgPos = pTextBox->m_Right; + pColumn->m_TextPos = -1; + m_TextColumns.Add(pColumn); + } + } else { + pColumn->m_AvgPos = + (pColumn->m_Count * pColumn->m_AvgPos + pTextBox->m_Right) / + (pColumn->m_Count + 1); + pColumn->m_Count++; + } + } + } + int mincount = m_BaseLines.GetSize() / 4; + for (i = 0; i < m_TextColumns.GetSize(); i++) { + CTextColumn* pTextColumn = (CTextColumn*)m_TextColumns.GetAt(i); + if (pTextColumn->m_Count >= mincount) { + continue; + } + delete pTextColumn; + m_TextColumns.RemoveAt(i); + i--; + } + for (i = 0; i < m_BaseLines.GetSize(); i++) { + CTextBaseLine* pBaseLine = (CTextBaseLine*)m_BaseLines.GetAt(i); + for (int j = 0; j < pBaseLine->m_TextList.GetSize(); j++) { + CTextBox* pTextBox = (CTextBox*)pBaseLine->m_TextList.GetAt(j); + if (IsNumber(pTextBox->m_Text)) { + pTextBox->m_pColumn = FindColumn(pTextBox->m_Right); + } + } + } } -CTextBaseLine::CTextBaseLine() -{ - m_Top = -100000; - m_Bottom = 100000; - m_MaxFontSizeV = 0; +CTextColumn* CTextPage::FindColumn(FX_FLOAT xpos) { + for (int i = 0; i < m_TextColumns.GetSize(); i++) { + CTextColumn* pColumn = (CTextColumn*)m_TextColumns.GetAt(i); + if (pColumn->m_AvgPos < xpos + 1 && pColumn->m_AvgPos > xpos - 1) { + return pColumn; + } + } + return NULL; } -CTextBaseLine::~CTextBaseLine() -{ - for (int i = 0; i < m_TextList.GetSize(); i ++) { - CTextBox* pText = (CTextBox*)m_TextList.GetAt(i); - delete pText; - } +void CTextPage::BreakSpace(CPDF_TextObject* pTextObj) {} +CTextBaseLine::CTextBaseLine() { + m_Top = -100000; + m_Bottom = 100000; + m_MaxFontSizeV = 0; } -void CTextBaseLine::InsertTextBox(FX_FLOAT leftx, FX_FLOAT rightx, FX_FLOAT topy, FX_FLOAT bottomy, - FX_FLOAT spacew, FX_FLOAT fontsize_v, const CFX_WideString& text) -{ - if (m_Top < topy) { - m_Top = topy; - } - if (m_Bottom > bottomy) { - m_Bottom = bottomy; - } - if (m_MaxFontSizeV < fontsize_v) { - m_MaxFontSizeV = fontsize_v; - } - int i; - for (i = 0; i < m_TextList.GetSize(); i ++) { - CTextBox* pText = (CTextBox*)m_TextList.GetAt(i); - if (pText->m_Left > leftx) { - break; - } - } - CTextBox* pText = FX_NEW CTextBox; - if (NULL == pText) { - return; - } - pText->m_Text = text; - pText->m_Left = leftx; - pText->m_Right = rightx; - pText->m_Top = topy; - pText->m_Bottom = bottomy; - pText->m_SpaceWidth = spacew; - pText->m_FontSizeV = fontsize_v; - pText->m_pColumn = NULL; - m_TextList.InsertAt(i, pText); +CTextBaseLine::~CTextBaseLine() { + for (int i = 0; i < m_TextList.GetSize(); i++) { + CTextBox* pText = (CTextBox*)m_TextList.GetAt(i); + delete pText; + } } -FX_BOOL GetIntersection(FX_FLOAT low1, FX_FLOAT high1, FX_FLOAT low2, FX_FLOAT high2, - FX_FLOAT& interlow, FX_FLOAT& interhigh); -FX_BOOL CTextBaseLine::CanMerge(CTextBaseLine* pOther) -{ - FX_FLOAT inter_top, inter_bottom; - if (!GetIntersection(m_Bottom, m_Top, pOther->m_Bottom, pOther->m_Top, - inter_bottom, inter_top)) { - return FALSE; - } - FX_FLOAT inter_h = inter_top - inter_bottom; - if (inter_h < (m_Top - m_Bottom) / 2 && inter_h < (pOther->m_Top - pOther->m_Bottom) / 2) { +void CTextBaseLine::InsertTextBox(FX_FLOAT leftx, + FX_FLOAT rightx, + FX_FLOAT topy, + FX_FLOAT bottomy, + FX_FLOAT spacew, + FX_FLOAT fontsize_v, + const CFX_WideString& text) { + if (m_Top < topy) { + m_Top = topy; + } + if (m_Bottom > bottomy) { + m_Bottom = bottomy; + } + if (m_MaxFontSizeV < fontsize_v) { + m_MaxFontSizeV = fontsize_v; + } + int i; + for (i = 0; i < m_TextList.GetSize(); i++) { + CTextBox* pText = (CTextBox*)m_TextList.GetAt(i); + if (pText->m_Left > leftx) { + break; + } + } + CTextBox* pText = FX_NEW CTextBox; + if (NULL == pText) { + return; + } + pText->m_Text = text; + pText->m_Left = leftx; + pText->m_Right = rightx; + pText->m_Top = topy; + pText->m_Bottom = bottomy; + pText->m_SpaceWidth = spacew; + pText->m_FontSizeV = fontsize_v; + pText->m_pColumn = NULL; + m_TextList.InsertAt(i, pText); +} +FX_BOOL GetIntersection(FX_FLOAT low1, + FX_FLOAT high1, + FX_FLOAT low2, + FX_FLOAT high2, + FX_FLOAT& interlow, + FX_FLOAT& interhigh); +FX_BOOL CTextBaseLine::CanMerge(CTextBaseLine* pOther) { + FX_FLOAT inter_top, inter_bottom; + if (!GetIntersection(m_Bottom, m_Top, pOther->m_Bottom, pOther->m_Top, + inter_bottom, inter_top)) { + return FALSE; + } + FX_FLOAT inter_h = inter_top - inter_bottom; + if (inter_h < (m_Top - m_Bottom) / 2 && + inter_h < (pOther->m_Top - pOther->m_Bottom) / 2) { + return FALSE; + } + FX_FLOAT dy = (FX_FLOAT)FXSYS_fabs(m_BaseLine - pOther->m_BaseLine); + for (int i = 0; i < m_TextList.GetSize(); i++) { + CTextBox* pText = (CTextBox*)m_TextList.GetAt(i); + for (int j = 0; j < pOther->m_TextList.GetSize(); j++) { + CTextBox* pOtherText = (CTextBox*)pOther->m_TextList.GetAt(j); + FX_FLOAT inter_left, inter_right; + if (!GetIntersection(pText->m_Left, pText->m_Right, pOtherText->m_Left, + pOtherText->m_Right, inter_left, inter_right)) { + continue; + } + FX_FLOAT inter_w = inter_right - inter_left; + if (inter_w < pText->m_SpaceWidth / 2 && + inter_w < pOtherText->m_SpaceWidth / 2) { + continue; + } + if (dy >= (pText->m_Bottom - pText->m_Top) / 2 || + dy >= (pOtherText->m_Bottom - pOtherText->m_Top) / 2) { return FALSE; + } } - FX_FLOAT dy = (FX_FLOAT)FXSYS_fabs(m_BaseLine - pOther->m_BaseLine); - for (int i = 0; i < m_TextList.GetSize(); i ++) { - CTextBox* pText = (CTextBox*)m_TextList.GetAt(i); - for (int j = 0; j < pOther->m_TextList.GetSize(); j ++) { - CTextBox* pOtherText = (CTextBox*)pOther->m_TextList.GetAt(j); - FX_FLOAT inter_left, inter_right; - if (!GetIntersection(pText->m_Left, pText->m_Right, - pOtherText->m_Left, pOtherText->m_Right, inter_left, inter_right)) { - continue; - } - FX_FLOAT inter_w = inter_right - inter_left; - if (inter_w < pText->m_SpaceWidth / 2 && inter_w < pOtherText->m_SpaceWidth / 2) { - continue; - } - if (dy >= (pText->m_Bottom - pText->m_Top) / 2 || - dy >= (pOtherText->m_Bottom - pOtherText->m_Top) / 2) { - return FALSE; - } - } - } - return TRUE; + } + return TRUE; } -void CTextBaseLine::Merge(CTextBaseLine* pOther) -{ - for (int i = 0; i < pOther->m_TextList.GetSize(); i ++) { - CTextBox* pText = (CTextBox*)pOther->m_TextList.GetAt(i); - InsertTextBox(pText->m_Left, pText->m_Right, pText->m_Top, pText->m_Bottom, - pText->m_SpaceWidth, pText->m_FontSizeV, pText->m_Text); - } +void CTextBaseLine::Merge(CTextBaseLine* pOther) { + for (int i = 0; i < pOther->m_TextList.GetSize(); i++) { + CTextBox* pText = (CTextBox*)pOther->m_TextList.GetAt(i); + InsertTextBox(pText->m_Left, pText->m_Right, pText->m_Top, pText->m_Bottom, + pText->m_SpaceWidth, pText->m_FontSizeV, pText->m_Text); + } } -FX_BOOL CTextBaseLine::GetWidth(FX_FLOAT& leftx, FX_FLOAT& rightx) -{ - int i; - for (i = 0; i < m_TextList.GetSize(); i ++) { - CTextBox* pText = (CTextBox*)m_TextList.GetAt(i); - if (pText->m_Text != L" ") { - break; - } - } - if (i == m_TextList.GetSize()) { - return FALSE; - } +FX_BOOL CTextBaseLine::GetWidth(FX_FLOAT& leftx, FX_FLOAT& rightx) { + int i; + for (i = 0; i < m_TextList.GetSize(); i++) { CTextBox* pText = (CTextBox*)m_TextList.GetAt(i); - leftx = pText->m_Left; - for (i = m_TextList.GetSize() - 1; i >= 0; i --) { - CTextBox* pText = (CTextBox*)m_TextList.GetAt(i); - if (pText->m_Text != L" ") { - break; - } + if (pText->m_Text != L" ") { + break; + } + } + if (i == m_TextList.GetSize()) { + return FALSE; + } + CTextBox* pText = (CTextBox*)m_TextList.GetAt(i); + leftx = pText->m_Left; + for (i = m_TextList.GetSize() - 1; i >= 0; i--) { + CTextBox* pText = (CTextBox*)m_TextList.GetAt(i); + if (pText->m_Text != L" ") { + break; } - pText = (CTextBox*)m_TextList.GetAt(i); - rightx = pText->m_Right; - return TRUE; + } + pText = (CTextBox*)m_TextList.GetAt(i); + rightx = pText->m_Right; + return TRUE; } -void CTextBaseLine::MergeBoxes() -{ - int i = 0; - while (1) { - if (i >= m_TextList.GetSize() - 1) { - break; - } - CTextBox* pThisText = (CTextBox*)m_TextList.GetAt(i); - CTextBox* pNextText = (CTextBox*)m_TextList.GetAt(i + 1); - FX_FLOAT dx = pNextText->m_Left - pThisText->m_Right; - FX_FLOAT spacew = (pThisText->m_SpaceWidth == 0.0) ? - pNextText->m_SpaceWidth : pThisText->m_SpaceWidth; - if (spacew > 0.0 && dx < spacew * 2) { - pThisText->m_Right = pNextText->m_Right; - if (dx > spacew * 1.5) { - pThisText->m_Text += L" "; - } else if (dx > spacew / 3) { - pThisText->m_Text += L' '; - } - pThisText->m_Text += pNextText->m_Text; - pThisText->m_SpaceWidth = pNextText->m_SpaceWidth == 0.0 ? - spacew : pNextText->m_SpaceWidth; - m_TextList.RemoveAt(i + 1); - delete pNextText; - } else { - i ++; - } +void CTextBaseLine::MergeBoxes() { + int i = 0; + while (1) { + if (i >= m_TextList.GetSize() - 1) { + break; + } + CTextBox* pThisText = (CTextBox*)m_TextList.GetAt(i); + CTextBox* pNextText = (CTextBox*)m_TextList.GetAt(i + 1); + FX_FLOAT dx = pNextText->m_Left - pThisText->m_Right; + FX_FLOAT spacew = (pThisText->m_SpaceWidth == 0.0) + ? pNextText->m_SpaceWidth + : pThisText->m_SpaceWidth; + if (spacew > 0.0 && dx < spacew * 2) { + pThisText->m_Right = pNextText->m_Right; + if (dx > spacew * 1.5) { + pThisText->m_Text += L" "; + } else if (dx > spacew / 3) { + pThisText->m_Text += L' '; + } + pThisText->m_Text += pNextText->m_Text; + pThisText->m_SpaceWidth = + pNextText->m_SpaceWidth == 0.0 ? spacew : pNextText->m_SpaceWidth; + m_TextList.RemoveAt(i + 1); + delete pNextText; + } else { + i++; } + } } -void CTextBaseLine::WriteOutput(CFX_WideString& str, FX_FLOAT leftx, FX_FLOAT pagewidth, - int iTextWidth) -{ - int lastpos = -1; - for (int i = 0; i < m_TextList.GetSize(); i ++) { - CTextBox* pText = (CTextBox*)m_TextList.GetAt(i); - int xpos; - if (pText->m_pColumn) { - xpos = (int)((pText->m_pColumn->m_AvgPos - leftx) * iTextWidth / pagewidth + 0.5); - xpos -= pText->m_Text.GetLength(); - } else { - xpos = (int)((pText->m_Left - leftx) * iTextWidth / pagewidth + 0.5); - } - if (xpos <= lastpos) { - xpos = lastpos + 1; - } - for (int j = lastpos + 1; j < xpos; j ++) { - str += ' '; - } - CFX_WideString sSrc(pText->m_Text); - NormalizeString(sSrc); - str += sSrc; - str += ' '; - lastpos = xpos + pText->m_Text.GetLength(); +void CTextBaseLine::WriteOutput(CFX_WideString& str, + FX_FLOAT leftx, + FX_FLOAT pagewidth, + int iTextWidth) { + int lastpos = -1; + for (int i = 0; i < m_TextList.GetSize(); i++) { + CTextBox* pText = (CTextBox*)m_TextList.GetAt(i); + int xpos; + if (pText->m_pColumn) { + xpos = + (int)((pText->m_pColumn->m_AvgPos - leftx) * iTextWidth / pagewidth + + 0.5); + xpos -= pText->m_Text.GetLength(); + } else { + xpos = (int)((pText->m_Left - leftx) * iTextWidth / pagewidth + 0.5); + } + if (xpos <= lastpos) { + xpos = lastpos + 1; } + for (int j = lastpos + 1; j < xpos; j++) { + str += ' '; + } + CFX_WideString sSrc(pText->m_Text); + NormalizeString(sSrc); + str += sSrc; + str += ' '; + lastpos = xpos + pText->m_Text.GetLength(); + } } -void CTextBaseLine::CountChars(int& count, FX_FLOAT& width, int& minchars) -{ - minchars = 0; - for (int i = 0; i < m_TextList.GetSize(); i ++) { - CTextBox* pText = (CTextBox*)m_TextList.GetAt(i); - if (pText->m_Right - pText->m_Left < 0.002) { - continue; - } - count += pText->m_Text.GetLength(); - width += pText->m_Right - pText->m_Left; - minchars += pText->m_Text.GetLength() + 1; +void CTextBaseLine::CountChars(int& count, FX_FLOAT& width, int& minchars) { + minchars = 0; + for (int i = 0; i < m_TextList.GetSize(); i++) { + CTextBox* pText = (CTextBox*)m_TextList.GetAt(i); + if (pText->m_Right - pText->m_Left < 0.002) { + continue; } + count += pText->m_Text.GetLength(); + width += pText->m_Right - pText->m_Left; + minchars += pText->m_Text.GetLength() + 1; + } } #define PI 3.1415926535897932384626433832795 -static void CheckRotate(CPDF_Page& page, CFX_FloatRect& page_bbox) -{ - int total_count = 0, rotated_count[3] = {0, 0, 0}; - FX_POSITION pos = page.GetFirstObjectPosition(); - while (pos) { - CPDF_PageObject* pObj = page.GetNextObject(pos); - if (pObj->m_Type != PDFPAGE_TEXT) { - continue; - } - total_count ++; - CPDF_TextObject* pText = (CPDF_TextObject*)pObj; - FX_FLOAT angle = pText->m_TextState.GetBaselineAngle(); - if (angle == 0.0) { - continue; - } - int degree = (int)(angle * 180 / PI + 0.5); - if (degree % 90) { - continue; - } - if (degree < 0) { - degree += 360; - } - int index = degree / 90 % 3 - 1; - if (index < 0) { - continue; - } - rotated_count[index] ++; - } - if (total_count == 0) { - return; - } - CFX_AffineMatrix matrix; - if (rotated_count[0] > total_count * 2 / 3) { - matrix.Set(0, -1, 1, 0, 0, page.GetPageHeight()); - } else if (rotated_count[1] > total_count * 2 / 3) { - matrix.Set(-1, 0, 0, -1, page.GetPageWidth(), page.GetPageHeight()); - } else if (rotated_count[2] > total_count * 2 / 3) { - matrix.Set(0, 1, -1, 0, page.GetPageWidth(), 0); - } else { - return; - } - page.Transform(matrix); - page_bbox.Transform(&matrix); +static void CheckRotate(CPDF_Page& page, CFX_FloatRect& page_bbox) { + int total_count = 0, rotated_count[3] = {0, 0, 0}; + FX_POSITION pos = page.GetFirstObjectPosition(); + while (pos) { + CPDF_PageObject* pObj = page.GetNextObject(pos); + if (pObj->m_Type != PDFPAGE_TEXT) { + continue; + } + total_count++; + CPDF_TextObject* pText = (CPDF_TextObject*)pObj; + FX_FLOAT angle = pText->m_TextState.GetBaselineAngle(); + if (angle == 0.0) { + continue; + } + int degree = (int)(angle * 180 / PI + 0.5); + if (degree % 90) { + continue; + } + if (degree < 0) { + degree += 360; + } + int index = degree / 90 % 3 - 1; + if (index < 0) { + continue; + } + rotated_count[index]++; + } + if (total_count == 0) { + return; + } + CFX_AffineMatrix matrix; + if (rotated_count[0] > total_count * 2 / 3) { + matrix.Set(0, -1, 1, 0, 0, page.GetPageHeight()); + } else if (rotated_count[1] > total_count * 2 / 3) { + matrix.Set(-1, 0, 0, -1, page.GetPageWidth(), page.GetPageHeight()); + } else if (rotated_count[2] > total_count * 2 / 3) { + matrix.Set(0, 1, -1, 0, page.GetPageWidth(), 0); + } else { + return; + } + page.Transform(matrix); + page_bbox.Transform(&matrix); } -void PDF_GetPageText_Unicode(CFX_WideStringArray& lines, CPDF_Document* pDoc, CPDF_Dictionary* pPage, - int iMinWidth, FX_DWORD flags) -{ - lines.RemoveAll(); - if (pPage == NULL) { - return; - } - CPDF_Page page; - page.Load(pDoc, pPage); - CPDF_ParseOptions options; - options.m_bTextOnly = TRUE; - options.m_bSeparateForm = FALSE; - page.ParseContent(&options); - CFX_FloatRect page_bbox = page.GetPageBBox(); - if (flags & PDF2TXT_AUTO_ROTATE) { - CheckRotate(page, page_bbox); - } - CTextPage texts; - texts.m_bAutoWidth = flags & PDF2TXT_AUTO_WIDTH; - texts.m_bKeepColumn = flags & PDF2TXT_KEEP_COLUMN; - texts.m_bBreakSpace = TRUE; - FX_POSITION pos = page.GetFirstObjectPosition(); - while (pos) { - CPDF_PageObject* pObject = page.GetNextObject(pos); - if (!(flags & PDF2TXT_INCLUDE_INVISIBLE)) { - CFX_FloatRect rect(pObject->m_Left, pObject->m_Bottom, pObject->m_Right, pObject->m_Top); - if (!page_bbox.Contains(rect)) { - continue; - } - } - texts.ProcessObject(pObject); - } - texts.WriteOutput(lines, iMinWidth); +void PDF_GetPageText_Unicode(CFX_WideStringArray& lines, + CPDF_Document* pDoc, + CPDF_Dictionary* pPage, + int iMinWidth, + FX_DWORD flags) { + lines.RemoveAll(); + if (pPage == NULL) { + return; + } + CPDF_Page page; + page.Load(pDoc, pPage); + CPDF_ParseOptions options; + options.m_bTextOnly = TRUE; + options.m_bSeparateForm = FALSE; + page.ParseContent(&options); + CFX_FloatRect page_bbox = page.GetPageBBox(); + if (flags & PDF2TXT_AUTO_ROTATE) { + CheckRotate(page, page_bbox); + } + CTextPage texts; + texts.m_bAutoWidth = flags & PDF2TXT_AUTO_WIDTH; + texts.m_bKeepColumn = flags & PDF2TXT_KEEP_COLUMN; + texts.m_bBreakSpace = TRUE; + FX_POSITION pos = page.GetFirstObjectPosition(); + while (pos) { + CPDF_PageObject* pObject = page.GetNextObject(pos); + if (!(flags & PDF2TXT_INCLUDE_INVISIBLE)) { + CFX_FloatRect rect(pObject->m_Left, pObject->m_Bottom, pObject->m_Right, + pObject->m_Top); + if (!page_bbox.Contains(rect)) { + continue; + } + } + texts.ProcessObject(pObject); + } + texts.WriteOutput(lines, iMinWidth); } -void PDF_GetPageText(CFX_ByteStringArray& lines, CPDF_Document* pDoc, CPDF_Dictionary* pPage, - int iMinWidth, FX_DWORD flags) -{ - lines.RemoveAll(); - CFX_WideStringArray wlines; - PDF_GetPageText_Unicode(wlines, pDoc, pPage, iMinWidth, flags); - for (int i = 0; i < wlines.GetSize(); i ++) { - CFX_WideString wstr = wlines[i]; - CFX_ByteString str; - for (int c = 0; c < wstr.GetLength(); c ++) { - str += CharFromUnicodeAlt(wstr[c], FXSYS_GetACP(), "?"); - } - lines.Add(str); - } +void PDF_GetPageText(CFX_ByteStringArray& lines, + CPDF_Document* pDoc, + CPDF_Dictionary* pPage, + int iMinWidth, + FX_DWORD flags) { + lines.RemoveAll(); + CFX_WideStringArray wlines; + PDF_GetPageText_Unicode(wlines, pDoc, pPage, iMinWidth, flags); + for (int i = 0; i < wlines.GetSize(); i++) { + CFX_WideString wstr = wlines[i]; + CFX_ByteString str; + for (int c = 0; c < wstr.GetLength(); c++) { + str += CharFromUnicodeAlt(wstr[c], FXSYS_GetACP(), "?"); + } + lines.Add(str); + } } -extern void _PDF_GetTextStream_Unicode(CFX_WideTextBuf& buffer, CPDF_PageObjects* pPage, FX_BOOL bUseLF, +extern void _PDF_GetTextStream_Unicode(CFX_WideTextBuf& buffer, + CPDF_PageObjects* pPage, + FX_BOOL bUseLF, CFX_PtrArray* pObjArray); -void PDF_GetTextStream_Unicode(CFX_WideTextBuf& buffer, CPDF_Document* pDoc, CPDF_Dictionary* pPage, FX_DWORD flags) -{ - buffer.EstimateSize(0, 10240); - CPDF_Page page; - page.Load(pDoc, pPage); - CPDF_ParseOptions options; - options.m_bTextOnly = TRUE; - options.m_bSeparateForm = FALSE; - page.ParseContent(&options); - _PDF_GetTextStream_Unicode(buffer, &page, TRUE, NULL); +void PDF_GetTextStream_Unicode(CFX_WideTextBuf& buffer, + CPDF_Document* pDoc, + CPDF_Dictionary* pPage, + FX_DWORD flags) { + buffer.EstimateSize(0, 10240); + CPDF_Page page; + page.Load(pDoc, pPage); + CPDF_ParseOptions options; + options.m_bTextOnly = TRUE; + options.m_bSeparateForm = FALSE; + page.ParseContent(&options); + _PDF_GetTextStream_Unicode(buffer, &page, TRUE, NULL); } |