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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 XFA_SRC_FEE_FDE_TXTEDTPAGE_H_ | |
8 #define XFA_SRC_FEE_FDE_TXTEDTPAGE_H_ | |
9 | |
10 #include "core/include/fxcrt/fx_coordinates.h" | |
11 #include "core/include/fxcrt/fx_string.h" | |
12 #include "xfa/src/fde/fde_visualset.h" | |
13 #include "xfa/src/fee/ifde_txtedtpage.h" | |
14 #include "xfa/src/fgas/crt/fgas_utils.h" | |
15 | |
16 class IFX_CharIter; | |
17 class CFDE_TxtEdtEngine; | |
18 class CFDE_TxtEdtPage; | |
19 class CFDE_TxtEdtParag; | |
20 | |
21 enum FDE_TXTEDT_CHARTYPE { | |
22 FDE_TXTEDT_CHARTYPE_Unknown = 0, | |
23 FDE_TXTEDT_CHARTYPE_Tab, | |
24 FDE_TXTEDT_CHARTYPE_Space, | |
25 FDE_TXTEDT_CHARTYPE_Punctuation, | |
26 FDE_TXTEDT_CHARTYPE_LineBreak, | |
27 FDE_TXTEDT_CHARTYPE_Number, | |
28 FDE_TXTEDT_CHARTYPE_Char, | |
29 FDE_TXTEDT_CHARTYPE_CJK, | |
30 }; | |
31 | |
32 inline FDE_TXTEDT_CHARTYPE FDE_GetEditSelCharType(FX_WCHAR wChar) { | |
33 if (wChar == 0x9) { | |
34 return FDE_TXTEDT_CHARTYPE_Tab; | |
35 } else if (wChar == 0x20 || wChar == 0xA0) { | |
36 return FDE_TXTEDT_CHARTYPE_Space; | |
37 } else if (wChar == 0x9 || wChar == 0x20 || wChar == 0xA0 || | |
38 (wChar >= L'!' && wChar <= L'/') || | |
39 (wChar >= L':' && wChar <= L'@') || | |
40 (wChar >= L'[' && wChar <= L'^') || | |
41 (wChar >= L'{' && wChar <= L'~') || wChar == 0x60) { | |
42 return FDE_TXTEDT_CHARTYPE_Punctuation; | |
43 } else if (wChar == 0x0a || wChar == 0x0d) { | |
44 return FDE_TXTEDT_CHARTYPE_LineBreak; | |
45 } else if (wChar >= '0' && wChar <= '9') { | |
46 return FDE_TXTEDT_CHARTYPE_Number; | |
47 } else if ((wChar >= 0x2e80 && wChar <= 0x2eff) || | |
48 (wChar >= 0x3000 && wChar <= 0x303f) || | |
49 (wChar >= 0x31c0 && wChar <= 0x31ef) || | |
50 (wChar >= 0x3200 && wChar <= 0x32ff) || | |
51 (wChar >= 0x3300 && wChar <= 0x33ff) || | |
52 (wChar >= 0x3400 && wChar <= 0x4dbf) || | |
53 (wChar >= 0x4e00 && wChar <= 0x9fff) || | |
54 (wChar >= 0xf900 && wChar <= 0xfaff) || | |
55 (wChar >= 0xfe30 && wChar <= 0xfe4f)) { | |
56 return FDE_TXTEDT_CHARTYPE_CJK; | |
57 } else { | |
58 return FDE_TXTEDT_CHARTYPE_Char; | |
59 } | |
60 } | |
61 | |
62 struct FDE_TEXTEDITPIECE { | |
63 int32_t nStart; | |
64 int32_t nCount; | |
65 int32_t nBidiLevel; | |
66 CFX_RectF rtPiece; | |
67 FX_DWORD dwCharStyles; | |
68 }; | |
69 typedef CFX_MassArrayTemplate<FDE_TEXTEDITPIECE> CFDE_TXTEDTPieceMassArray; | |
70 | |
71 class CFDE_TxtEdtTextSet : public IFDE_TextSet { | |
72 public: | |
73 CFDE_TxtEdtTextSet(CFDE_TxtEdtPage* pPage); | |
74 ~CFDE_TxtEdtTextSet(); | |
75 | |
76 virtual FDE_VISUALOBJTYPE GetType(); | |
77 virtual FX_BOOL GetBBox(FDE_HVISUALOBJ hVisualObj, CFX_RectF& bbox); | |
78 virtual FX_BOOL GetMatrix(FDE_HVISUALOBJ hVisualObj, CFX_Matrix& matrix); | |
79 virtual FX_BOOL GetRect(FDE_HVISUALOBJ hVisualObj, CFX_RectF& rt); | |
80 virtual FX_BOOL GetClip(FDE_HVISUALOBJ hVisualObj, CFX_RectF& rt); | |
81 virtual int32_t GetString(FDE_HVISUALOBJ hText, CFX_WideString& wsText); | |
82 virtual IFX_Font* GetFont(FDE_HVISUALOBJ hText); | |
83 virtual FX_FLOAT GetFontSize(FDE_HVISUALOBJ hText); | |
84 virtual FX_ARGB GetFontColor(FDE_HVISUALOBJ hText); | |
85 virtual int32_t GetDisplayPos(FDE_HVISUALOBJ hText, | |
86 FXTEXT_CHARPOS* pCharPos, | |
87 FX_BOOL bCharCode = FALSE, | |
88 CFX_WideString* pWSForms = NULL); | |
89 virtual int32_t GetCharRects(FDE_HVISUALOBJ hText, CFX_RectFArray& rtArray); | |
90 virtual int32_t GetCharRects_Impl(FDE_HVISUALOBJ hText, | |
91 CFX_RectFArray& rtArray, | |
92 FX_BOOL bBBox = FALSE); | |
93 | |
94 private: | |
95 CFDE_TxtEdtPage* m_pPage; | |
96 }; | |
97 | |
98 class CFDE_TxtEdtPage : public IFDE_TxtEdtPage { | |
99 public: | |
100 CFDE_TxtEdtPage(IFDE_TxtEdtEngine* pEngine, int32_t nLineIndex); | |
101 | |
102 // IFDE_TxtEditPage: | |
103 void Release() override; | |
104 IFDE_TxtEdtEngine* GetEngine() const override; | |
105 int32_t GetCharRect(int32_t nIndex, | |
106 CFX_RectF& rect, | |
107 FX_BOOL bBBox = FALSE) const override; | |
108 int32_t GetCharIndex(const CFX_PointF& fPoint, FX_BOOL& bBefore) override; | |
109 void CalcRangeRectArray(int32_t nStart, | |
110 int32_t nCount, | |
111 CFX_RectFArray& RectFArr) const override; | |
112 int32_t SelectWord(const CFX_PointF& fPoint, int32_t& nCount) override; | |
113 int32_t GetCharStart() const override; | |
114 int32_t GetCharCount() const override; | |
115 int32_t GetDisplayPos(const CFX_RectF& rtClip, | |
116 FXTEXT_CHARPOS*& pCharPos, | |
117 CFX_RectF* pBBox) const override; | |
118 FX_BOOL IsLoaded(const CFX_RectF* pClipBox) override; | |
119 int32_t LoadPage(const CFX_RectF* pClipBox, IFX_Pause* pPause) override; | |
120 void UnloadPage(const CFX_RectF* pClipBox) override; | |
121 const CFX_RectF& GetContentsBox() override; | |
122 | |
123 // IFDE_VisualSet: | |
124 FDE_VISUALOBJTYPE GetType() override; | |
125 FX_BOOL GetBBox(FDE_HVISUALOBJ hVisualObj, CFX_RectF& bbox) override; | |
126 FX_BOOL GetMatrix(FDE_HVISUALOBJ hVisualObj, CFX_Matrix& matrix) override; | |
127 FX_BOOL GetRect(FDE_HVISUALOBJ hVisualObj, CFX_RectF& rt) override; | |
128 FX_BOOL GetClip(FDE_HVISUALOBJ hVisualObj, CFX_RectF& rt) override; | |
129 | |
130 // IFDE_CanvasSet: | |
131 FX_POSITION GetFirstPosition(FDE_HVISUALOBJ hCanvas) override; | |
132 FDE_HVISUALOBJ GetNext(FDE_HVISUALOBJ hCanvas, | |
133 FX_POSITION& pos, | |
134 IFDE_VisualSet*& pVisualSet) override; | |
135 FDE_HVISUALOBJ GetParentCanvas(FDE_HVISUALOBJ hCanvas, | |
136 IFDE_VisualSet*& pVisualSet) override; | |
137 | |
138 // IFX_TxtAccess: | |
139 FX_WCHAR GetChar(void* pIdentity, int32_t index) const override; | |
140 int32_t GetWidth(void* pIdentity, int32_t index) const override; | |
141 | |
142 protected: | |
143 virtual ~CFDE_TxtEdtPage(); | |
144 | |
145 private: | |
146 void NormalizePt2Rect(CFX_PointF& ptF, | |
147 const CFX_RectF& rtF, | |
148 FX_FLOAT fTolerance) const; | |
149 | |
150 IFX_CharIter* m_pIter; | |
151 CFDE_TxtEdtTextSet* m_pTextSet; | |
152 CFDE_TxtEdtEngine* m_pEditEngine; | |
153 CFDE_TXTEDTPieceMassArray m_PieceMassArr; | |
154 CFDE_TxtEdtParag* m_pBgnParag; | |
155 CFDE_TxtEdtParag* m_pEndParag; | |
156 int32_t m_nRefCount; | |
157 int32_t m_nPageStart; | |
158 int32_t m_nCharCount; | |
159 int32_t m_nPageIndex; | |
160 FX_BOOL m_bLoaded; | |
161 CFX_RectF m_rtPage; | |
162 CFX_RectF m_rtPageMargin; | |
163 CFX_RectF m_rtPageContents; | |
164 CFX_RectF m_rtPageCanvas; | |
165 int32_t* m_pCharWidth; | |
166 }; | |
167 | |
168 #endif // XFA_SRC_FEE_FDE_TXTEDTPAGE_H_ | |
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