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| 1 // Copyright 2014 PDFium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
| 6 | |
| 7 #ifndef CORE_INCLUDE_FPDFTEXT_FPDF_TEXT_H_ | |
| 8 #define CORE_INCLUDE_FPDFTEXT_FPDF_TEXT_H_ | |
| 9 | |
| 10 #include "core/include/fxcrt/fx_coordinates.h" | |
| 11 #include "core/include/fxcrt/fx_system.h" | |
| 12 | |
| 13 class CPDF_Page; | |
| 14 class CPDF_TextObject; | |
| 15 class IPDF_LinkExtract; | |
| 16 class IPDF_ReflowedPage; | |
| 17 class IPDF_TextPage; | |
| 18 class IPDF_TextPageFind; | |
| 19 | |
| 20 #define CHAR_ERROR -1 | |
| 21 #define CHAR_NORMAL 0 | |
| 22 #define CHAR_GENERATED 1 | |
| 23 #define CHAR_UNUNICODE 2 | |
| 24 | |
| 25 struct FPDF_CHAR_INFO { | |
| 26 FX_WCHAR m_Unicode; | |
| 27 FX_WCHAR m_Charcode; | |
| 28 int32_t m_Flag; | |
| 29 FX_FLOAT m_FontSize; | |
| 30 FX_FLOAT m_OriginX; | |
| 31 FX_FLOAT m_OriginY; | |
| 32 CFX_FloatRect m_CharBox; | |
| 33 CPDF_TextObject* m_pTextObj; | |
| 34 CFX_Matrix m_Matrix; | |
| 35 }; | |
| 36 | |
| 37 using CFX_RectArray = CFX_ArrayTemplate<CFX_FloatRect>; | |
| 38 | |
| 39 #define FPDFTEXT_LRTB 0 | |
| 40 #define FPDFTEXT_RLTB 1 | |
| 41 #define FPDFTEXT_TBRL 2 | |
| 42 #define FPDFTEXT_LEFT -1 | |
| 43 #define FPDFTEXT_RIGHT 1 | |
| 44 #define FPDFTEXT_UP -2 | |
| 45 #define FPDFTEXT_DOWN 2 | |
| 46 | |
| 47 class IPDF_TextPage { | |
| 48 public: | |
| 49 static IPDF_TextPage* CreateTextPage(const CPDF_Page* pPage, int flags = 0); | |
| 50 static IPDF_TextPage* CreateReflowTextPage(IPDF_ReflowedPage* pRefPage); | |
| 51 virtual ~IPDF_TextPage() {} | |
| 52 | |
| 53 virtual void ParseTextPage() = 0; | |
| 54 virtual bool IsParsed() const = 0; | |
| 55 virtual int CharIndexFromTextIndex(int TextIndex) const = 0; | |
| 56 virtual int TextIndexFromCharIndex(int CharIndex) const = 0; | |
| 57 virtual int CountChars() const = 0; | |
| 58 virtual void GetCharInfo(int index, FPDF_CHAR_INFO* info) const = 0; | |
| 59 virtual void GetRectArray(int start, | |
| 60 int nCount, | |
| 61 CFX_RectArray& rectArray) const = 0; | |
| 62 virtual int GetIndexAtPos(CFX_FloatPoint point, | |
| 63 FX_FLOAT xTolerance, | |
| 64 FX_FLOAT yTolerance) const = 0; | |
| 65 virtual int GetIndexAtPos(FX_FLOAT x, | |
| 66 FX_FLOAT y, | |
| 67 FX_FLOAT xTolerance, | |
| 68 FX_FLOAT yTolerance) const = 0; | |
| 69 virtual CFX_WideString GetTextByRect(const CFX_FloatRect& rect) const = 0; | |
| 70 virtual void GetRectsArrayByRect(const CFX_FloatRect& rect, | |
| 71 CFX_RectArray& resRectArray) const = 0; | |
| 72 virtual int CountRects(int start, int nCount) = 0; | |
| 73 virtual void GetRect(int rectIndex, | |
| 74 FX_FLOAT& left, | |
| 75 FX_FLOAT& top, | |
| 76 FX_FLOAT& right, | |
| 77 FX_FLOAT& bottom) const = 0; | |
| 78 virtual FX_BOOL GetBaselineRotate(int rectIndex, int& Rotate) = 0; | |
| 79 virtual FX_BOOL GetBaselineRotate(const CFX_FloatRect& rect, int& Rotate) = 0; | |
| 80 virtual int CountBoundedSegments(FX_FLOAT left, | |
| 81 FX_FLOAT top, | |
| 82 FX_FLOAT right, | |
| 83 FX_FLOAT bottom, | |
| 84 FX_BOOL bContains = FALSE) = 0; | |
| 85 virtual void GetBoundedSegment(int index, int& start, int& count) const = 0; | |
| 86 virtual int GetWordBreak(int index, int direction) const = 0; | |
| 87 virtual CFX_WideString GetPageText(int start = 0, int nCount = -1) const = 0; | |
| 88 }; | |
| 89 | |
| 90 #define FPDFTEXT_MATCHCASE 0x00000001 | |
| 91 #define FPDFTEXT_MATCHWHOLEWORD 0x00000002 | |
| 92 #define FPDFTEXT_CONSECUTIVE 0x00000004 | |
| 93 | |
| 94 class IPDF_TextPageFind { | |
| 95 public: | |
| 96 static IPDF_TextPageFind* CreatePageFind(const IPDF_TextPage* pTextPage); | |
| 97 virtual ~IPDF_TextPageFind() {} | |
| 98 | |
| 99 virtual FX_BOOL FindFirst(const CFX_WideString& findwhat, | |
| 100 int flags, | |
| 101 int startPos = 0) = 0; | |
| 102 virtual FX_BOOL FindNext() = 0; | |
| 103 virtual FX_BOOL FindPrev() = 0; | |
| 104 virtual void GetRectArray(CFX_RectArray& rects) const = 0; | |
| 105 virtual int GetCurOrder() const = 0; | |
| 106 virtual int GetMatchedCount() const = 0; | |
| 107 }; | |
| 108 | |
| 109 class IPDF_LinkExtract { | |
| 110 public: | |
| 111 static IPDF_LinkExtract* CreateLinkExtract(); | |
| 112 virtual ~IPDF_LinkExtract() {} | |
| 113 | |
| 114 virtual FX_BOOL ExtractLinks(const IPDF_TextPage* pTextPage) = 0; | |
| 115 virtual int CountLinks() const = 0; | |
| 116 virtual CFX_WideString GetURL(int index) const = 0; | |
| 117 virtual void GetBoundedSegment(int index, int& start, int& count) const = 0; | |
| 118 virtual void GetRects(int index, CFX_RectArray& rects) const = 0; | |
| 119 }; | |
| 120 | |
| 121 #endif // CORE_INCLUDE_FPDFTEXT_FPDF_TEXT_H_ | |
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