| // 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 |
| |
| #ifndef _FPDF_TEXT_H_ |
| #define _FPDF_TEXT_H_ |
| #ifndef _FPDF_PARSER_ |
| #include "../fpdfapi/fpdf_parser.h" |
| #endif |
| #ifndef _FPDF_PAGEOBJ_H_ |
| #include "../fpdfapi/fpdf_pageobj.h" |
| #endif |
| #ifndef _FPDF_PAGE_ |
| #include "../fpdfapi/fpdf_page.h" |
| #endif |
| class CPDF_PageObjects; |
| #define PDF2TXT_AUTO_ROTATE 1 |
| #define PDF2TXT_AUTO_WIDTH 2 |
| #define PDF2TXT_KEEP_COLUMN 4 |
| #define PDF2TXT_USE_OCR 8 |
| #define PDF2TXT_INCLUDE_INVISIBLE 16 |
| void PDF_GetPageText(CFX_ByteStringArray& lines, CPDF_Document* pDoc, CPDF_Dictionary* pPage, |
| int iMinWidth, FX_DWORD flags); |
| void PDF_GetPageText_Unicode(CFX_WideStringArray& lines, CPDF_Document* pDoc, CPDF_Dictionary* pPage, |
| int iMinWidth, FX_DWORD flags); |
| void PDF_GetTextStream_Unicode(CFX_WideTextBuf& buffer, CPDF_Document* pDoc, CPDF_Dictionary* pPage, |
| FX_DWORD flags); |
| CFX_WideString PDF_GetFirstTextLine_Unicode(CPDF_Document* pDoc, CPDF_Dictionary* pPage); |
| class IPDF_TextPage; |
| class IPDF_LinkExtract; |
| class IPDF_TextPageFind; |
| #define CHAR_ERROR -1 |
| #define CHAR_NORMAL 0 |
| #define CHAR_GENERATED 1 |
| #define CHAR_UNUNICODE 2 |
| typedef struct { |
| FX_WCHAR m_Unicode; |
| FX_WCHAR m_Charcode; |
| FX_INT32 m_Flag; |
| FX_FLOAT m_FontSize; |
| FX_FLOAT m_OriginX; |
| FX_FLOAT m_OriginY; |
| CFX_FloatRect m_CharBox; |
| CPDF_TextObject* m_pTextObj; |
| CFX_AffineMatrix m_Matrix; |
| } FPDF_CHAR_INFO; |
| typedef CFX_ArrayTemplate<CFX_FloatRect> CFX_RectArray; |
| #define FPDFTEXT_LRTB 0 |
| #define FPDFTEXT_RLTB 1 |
| #define FPDFTEXT_TBRL 2 |
| #define FPDFTEXT_LEFT -1 |
| #define FPDFTEXT_RIGHT 1 |
| #define FPDFTEXT_UP -2 |
| #define FPDFTEXT_DOWN 2 |
| class IPDF_ReflowedPage; |
| #define FPDFTEXT_WRITINGMODE_UNKNOW 0 |
| #define FPDFTEXT_WRITINGMODE_LRTB 1 |
| #define FPDFTEXT_WRITINGMODE_RLTB 2 |
| #define FPDFTEXT_WRITINGMODE_TBRL 3 |
| class CPDFText_ParseOptions : public CFX_Object |
| { |
| public: |
| |
| CPDFText_ParseOptions(); |
| FX_BOOL m_bGetCharCodeOnly; |
| FX_BOOL m_bNormalizeObjs; |
| FX_BOOL m_bOutputHyphen; |
| }; |
| class IPDF_TextPage : public CFX_Object |
| { |
| public: |
| |
| virtual ~IPDF_TextPage() {} |
| static IPDF_TextPage* CreateTextPage(const CPDF_Page* pPage, CPDFText_ParseOptions ParserOptions); |
| static IPDF_TextPage* CreateTextPage(const CPDF_Page* pPage, int flags = 0); |
| static IPDF_TextPage* CreateTextPage(const CPDF_PageObjects* pObjs, int flags = 0); |
| static IPDF_TextPage* CreateReflowTextPage(IPDF_ReflowedPage* pRefPage); |
| |
| virtual void NormalizeObjects(FX_BOOL bNormalize) = 0; |
| |
| virtual FX_BOOL ParseTextPage() = 0; |
| |
| |
| virtual FX_BOOL IsParsered() const = 0; |
| public: |
| |
| virtual int CharIndexFromTextIndex(int TextIndex) const = 0; |
| |
| virtual int TextIndexFromCharIndex(int CharIndex) const = 0; |
| |
| |
| virtual int CountChars() const = 0; |
| |
| virtual void GetCharInfo(int index, FPDF_CHAR_INFO & info) const = 0; |
| |
| virtual void GetRectArray(int start, int nCount, CFX_RectArray& rectArray) const = 0; |
| |
| |
| |
| virtual int GetIndexAtPos(CPDF_Point point, FX_FLOAT xTorelance, FX_FLOAT yTorelance) const = 0; |
| |
| virtual int GetIndexAtPos(FX_FLOAT x, FX_FLOAT y, FX_FLOAT xTorelance, FX_FLOAT yTorelance) const = 0; |
| |
| virtual int GetOrderByDirection(int index, int direction) const = 0; |
| |
| virtual CFX_WideString GetTextByRect(const CFX_FloatRect& rect) const = 0; |
| |
| virtual void GetRectsArrayByRect(const CFX_FloatRect& rect, CFX_RectArray& resRectArray) const = 0; |
| |
| |
| virtual int CountRects(int start, int nCount) = 0; |
| |
| virtual void GetRect(int rectIndex, FX_FLOAT& left, FX_FLOAT& top, FX_FLOAT& right, FX_FLOAT &bottom) const = 0; |
| |
| virtual FX_BOOL GetBaselineRotate(int rectIndex, int& Rotate) = 0; |
| |
| virtual FX_BOOL GetBaselineRotate(const CFX_FloatRect& rect, int& Rotate) = 0; |
| |
| virtual int CountBoundedSegments(FX_FLOAT left, FX_FLOAT top, FX_FLOAT right, FX_FLOAT bottom, FX_BOOL bContains = FALSE) = 0; |
| |
| virtual void GetBoundedSegment(int index, int& start, int& count) const = 0; |
| |
| |
| virtual int GetWordBreak(int index, int direction) const = 0; |
| |
| virtual CFX_WideString GetPageText(int start = 0, int nCount = -1 ) const = 0; |
| }; |
| #define FPDFTEXT_MATCHCASE 0x00000001 |
| #define FPDFTEXT_MATCHWHOLEWORD 0x00000002 |
| #define FPDFTEXT_CONSECUTIVE 0x00000004 |
| class IPDF_TextPageFind : public CFX_Object |
| { |
| public: |
| |
| virtual ~IPDF_TextPageFind() {} |
| |
| static IPDF_TextPageFind* CreatePageFind(const IPDF_TextPage* pTextPage); |
| public: |
| |
| virtual FX_BOOL FindFirst(const CFX_WideString& findwhat, int flags, int startPos = 0) = 0; |
| |
| virtual FX_BOOL FindNext() = 0; |
| |
| virtual FX_BOOL FindPrev() = 0; |
| |
| virtual void GetRectArray(CFX_RectArray& rects) const = 0; |
| |
| virtual int GetCurOrder() const = 0; |
| |
| virtual int GetMatchedCount() const = 0; |
| }; |
| class IPDF_LinkExtract : public CFX_Object |
| { |
| public: |
| |
| virtual ~IPDF_LinkExtract() {} |
| |
| static IPDF_LinkExtract* CreateLinkExtract(); |
| |
| virtual FX_BOOL ExtractLinks(const IPDF_TextPage* pTextPage) = 0; |
| public: |
| |
| virtual int CountLinks() const = 0; |
| |
| virtual CFX_WideString GetURL(int index) const = 0; |
| |
| virtual void GetBoundedSegment(int index, int& start, int& count) const = 0; |
| |
| virtual void GetRects(int index, CFX_RectArray& rects) const = 0; |
| }; |
| #endif |