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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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