diff options
Diffstat (limited to 'core/fpdftext/fpdf_text_int.cpp')
| -rw-r--r-- | core/fpdftext/fpdf_text_int.cpp | 150 |
1 files changed, 24 insertions, 126 deletions
diff --git a/core/fpdftext/fpdf_text_int.cpp b/core/fpdftext/fpdf_text_int.cpp index b3558ff2a8..8e5e75853e 100644 --- a/core/fpdftext/fpdf_text_int.cpp +++ b/core/fpdftext/fpdf_text_int.cpp @@ -28,10 +28,6 @@ #include "core/fxcrt/include/fx_ucd.h" #include "third_party/base/stl_util.h" -#define FPDFTEXT_RLTB 1 -#define FPDFTEXT_LEFT -1 -#define FPDFTEXT_RIGHT 1 - #define FPDFTEXT_MATCHCASE 0x00000001 #define FPDFTEXT_MATCHWHOLEWORD 0x00000002 #define FPDFTEXT_CONSECUTIVE 0x00000004 @@ -42,9 +38,15 @@ #define FPDFTEXT_CHAR_UNUNICODE 2 #define FPDFTEXT_CHAR_HYPHEN 3 #define FPDFTEXT_CHAR_PIECE 4 -#define FPDFTEXT_MC_PASS 0 -#define FPDFTEXT_MC_DONE 1 -#define FPDFTEXT_MC_DELAY 2 + +#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 namespace { @@ -143,16 +145,7 @@ FX_STRSIZE Unicode_GetNormalization(FX_WCHAR wch, FX_WCHAR* pDst) { } // namespace -#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) +CPDF_TextPage::CPDF_TextPage(const CPDF_Page* pPage, FPDFText_Direction flags) : m_pPage(pPage), m_parserflag(flags), m_pPreTextObj(nullptr), @@ -613,42 +606,6 @@ void CPDF_TextPage::GetRect(int rectIndex, bottom = m_SelRects[rectIndex].bottom; } -FX_BOOL CPDF_TextPage::GetBaselineRotate(int start, int end, int& Rotate) { - if (end == start) { - return FALSE; - } - FPDF_CHAR_INFO info_start; - FPDF_CHAR_INFO info_end; - GetCharInfo(start, &info_start); - GetCharInfo(end, &info_end); - while (info_end.m_CharBox.Width() == 0 || info_end.m_CharBox.Height() == 0) { - if (--end <= start) - return FALSE; - - GetCharInfo(end, &info_end); - } - FX_FLOAT dx = (info_end.m_OriginX - info_start.m_OriginX); - FX_FLOAT dy = (info_end.m_OriginY - info_start.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; -} - int CPDF_TextPage::CountBoundedSegments(FX_FLOAT left, FX_FLOAT top, FX_FLOAT right, @@ -727,38 +684,6 @@ int CPDF_TextPage::CountBoundedSegments(FX_FLOAT left, return m_Segments.GetSize(); } -int CPDF_TextPage::GetWordBreak(int index, int direction) const { - if (!m_bIsParsed) - return -1; - - if (direction != FPDFTEXT_LEFT && direction != FPDFTEXT_RIGHT) - return -1; - - if (index < 0 || index >= pdfium::CollectionSize<int>(m_CharList)) - return -1; - - const PAGECHAR_INFO& charinfo = m_CharList[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) { - if (!IsLetter(m_CharList[breakPos].m_Unicode)) - break; - } - } else if (direction == FPDFTEXT_RIGHT) { - while (++breakPos < pdfium::CollectionSize<int>(m_CharList)) { - if (!IsLetter(m_CharList[breakPos].m_Unicode)) - break; - } - } - return breakPos; -} - int32_t CPDF_TextPage::FindTextlineFlowDirection() { const int32_t nPageWidth = static_cast<int32_t>(m_pPage->GetPageWidth()); const int32_t nPageHeight = static_cast<int32_t>(m_pPage->GetPageHeight()); @@ -905,21 +830,6 @@ int CPDF_TextPage::GetCharWidth(uint32_t charCode, CPDF_Font* pFont) const { return pFont->GetCharBBox(charCode).Width(); } -void CPDF_TextPage::OnPiece(CFX_BidiChar* pBidi, CFX_WideString& str) { - CFX_BidiChar::Segment seg = pBidi->GetSegmentInfo(); - if (seg.direction == CFX_BidiChar::RIGHT) { - for (int i = seg.start + seg.count; i > seg.start; i--) { - m_TextBuf.AppendChar(str.GetAt(i - 1)); - m_CharList.push_back(m_TempCharList[i - 1]); - } - } else { - for (int i = seg.start; i < seg.start + seg.count; i++) { - m_TextBuf.AppendChar(str.GetAt(i)); - m_CharList.push_back(m_TempCharList[i]); - } - } -} - void CPDF_TextPage::AddCharInfoByLRDirection(FX_WCHAR wChar, PAGECHAR_INFO info) { if (!IsControlChar(info)) { @@ -996,7 +906,7 @@ void CPDF_TextPage::CloseTempLine() { bPrevSpace = TRUE; } CFX_BidiString bidi(str); - if (m_parserflag == FPDFTEXT_RLTB) + if (m_parserflag == FPDFText_Direction::Right) bidi.SetOverallDirectionRight(); CFX_BidiChar::Direction eCurrentDirection = bidi.OverallDirection(); for (const auto& segment : bidi) { @@ -1098,16 +1008,17 @@ void CPDF_TextPage::ProcessTextObject( } } -int32_t CPDF_TextPage::PreMarkedContent(PDFTEXT_Obj Obj) { +FPDFText_MarkedContent 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; + return FPDFText_MarkedContent::Pass; int nContentMark = pMarkData->CountItems(); if (nContentMark < 1) - return FPDFTEXT_MC_PASS; + return FPDFText_MarkedContent::Pass; + CFX_WideString actText; FX_BOOL bExist = FALSE; CPDF_Dictionary* pDict = NULL; @@ -1125,19 +1036,19 @@ int32_t CPDF_TextPage::PreMarkedContent(PDFTEXT_Obj Obj) { } } if (!bExist) - return FPDFTEXT_MC_PASS; + return FPDFText_MarkedContent::Pass; if (m_pPreTextObj) { CPDF_ContentMarkData* pPreMarkData = (CPDF_ContentMarkData*)m_pPreTextObj->m_ContentMark.GetObject(); if (pPreMarkData && pPreMarkData->CountItems() == n && pDict == pPreMarkData->GetItem(n - 1).GetParam()) { - return FPDFTEXT_MC_DONE; + return FPDFText_MarkedContent::Done; } } FX_STRSIZE nItems = actText.GetLength(); if (nItems < 1) - return FPDFTEXT_MC_PASS; + return FPDFText_MarkedContent::Pass; CPDF_Font* pFont = pTextObj->GetFont(); bExist = FALSE; @@ -1149,7 +1060,7 @@ int32_t CPDF_TextPage::PreMarkedContent(PDFTEXT_Obj Obj) { } } if (!bExist) - return FPDFTEXT_MC_PASS; + return FPDFText_MarkedContent::Pass; bExist = FALSE; for (FX_STRSIZE i = 0; i < nItems; i++) { @@ -1160,9 +1071,9 @@ int32_t CPDF_TextPage::PreMarkedContent(PDFTEXT_Obj Obj) { } } if (!bExist) - return FPDFTEXT_MC_DONE; + return FPDFText_MarkedContent::Done; - return FPDFTEXT_MC_DELAY; + return FPDFText_MarkedContent::Delay; } void CPDF_TextPage::ProcessMarkedContent(PDFTEXT_Obj Obj) { @@ -1285,8 +1196,8 @@ void CPDF_TextPage::ProcessTextObject(PDFTEXT_Obj Obj) { CFX_Matrix matrix; pTextObj->GetTextMatrix(&matrix); matrix.Concat(formMatrix); - int32_t bPreMKC = PreMarkedContent(Obj); - if (FPDFTEXT_MC_DONE == bPreMKC) { + FPDFText_MarkedContent ePreMKC = PreMarkedContent(Obj); + if (ePreMKC == FPDFText_MarkedContent::Done) { m_pPreTextObj = pTextObj; m_perMatrix.Copy(formMatrix); return; @@ -1362,7 +1273,7 @@ void CPDF_TextPage::ProcessTextObject(PDFTEXT_Obj Obj) { 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) { + if (ePreMKC == FPDFText_MarkedContent::Delay) { ProcessMarkedContent(Obj); m_pPreTextObj = pTextObj; m_perMatrix.Copy(formMatrix); @@ -1879,19 +1790,6 @@ FX_BOOL CPDF_TextPage::IsRectIntersect(const CFX_FloatRect& rect1, return !rect.IsEmpty(); } -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 CPDF_TextPage* pTextPage) : m_pTextPage(pTextPage), m_flags(0), |