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// 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 CORE_INCLUDE_FPDFTEXT_FPDF_TEXT_H_
#define CORE_INCLUDE_FPDFTEXT_FPDF_TEXT_H_
#include "../fpdfapi/fpdf_page.h"
#include "../fpdfapi/fpdf_pageobj.h"
#include "../fpdfapi/fpdf_parser.h"
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:
CPDFText_ParseOptions();
FX_BOOL m_bGetCharCodeOnly;
FX_BOOL m_bNormalizeObjs;
FX_BOOL m_bOutputHyphen;
};
class IPDF_TextPage
{
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:
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:
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 // CORE_INCLUDE_FPDFTEXT_FPDF_TEXT_H_
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