// 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(CFX_FloatRect rect) const = 0; virtual void GetRectsArrayByRect(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(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(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