1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
|
// 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 XFA_FGAS_LAYOUT_FGAS_RTFBREAK_H_
#define XFA_FGAS_LAYOUT_FGAS_RTFBREAK_H_
#include <deque>
#include <vector>
#include "core/fxcrt/cfx_retain_ptr.h"
#include "core/fxcrt/fx_basic.h"
#include "core/fxcrt/fx_ucd.h"
#include "xfa/fgas/crt/fgas_utils.h"
#include "xfa/fgas/layout/fgas_textbreak.h"
class CFGAS_GEFont;
#define FX_RTFLAYOUTSTYLE_Pagination 0x01
#define FX_RTFLAYOUTSTYLE_ExpandTab 0x10
enum class CFX_RTFLineAlignment {
Left = 0,
Center,
Right,
Justified,
Distributed
};
struct FX_RTFTEXTOBJ {
FX_RTFTEXTOBJ();
~FX_RTFTEXTOBJ();
CFX_WideString pStr;
std::vector<int32_t> pWidths;
CFX_RetainPtr<CFGAS_GEFont> pFont;
const CFX_RectF* pRect;
FX_WCHAR wLineBreakChar;
FX_FLOAT fFontSize;
int32_t iLength;
int32_t iBidiLevel;
int32_t iHorizontalScale;
int32_t iVerticalScale;
};
class CFX_RTFPiece {
public:
CFX_RTFPiece();
~CFX_RTFPiece();
int32_t GetEndPos() const {
return m_iWidth < 0 ? m_iStartPos : m_iStartPos + m_iWidth;
}
CFX_RTFChar& GetChar(int32_t index) {
ASSERT(index > -1 && index < m_iChars && m_pChars);
return (*m_pChars)[m_iStartChar + index];
}
CFX_WideString GetString() const {
CFX_WideString ret;
ret.Reserve(m_iChars);
for (int32_t i = m_iStartChar; i < m_iStartChar + m_iChars; i++)
ret += static_cast<FX_WCHAR>((*m_pChars)[i].m_wCharCode);
return ret;
}
std::vector<int32_t> GetWidths() const {
std::vector<int32_t> ret;
ret.reserve(m_iChars);
for (int32_t i = m_iStartChar; i < m_iStartChar + m_iChars; i++)
ret.push_back((*m_pChars)[i].m_iCharWidth);
return ret;
}
void Reset() {
m_dwStatus = CFX_RTFBreakType::Piece;
if (m_iWidth > -1)
m_iStartPos += m_iWidth;
m_iWidth = -1;
m_iStartChar += m_iChars;
m_iChars = 0;
m_iBidiLevel = 0;
m_iBidiPos = 0;
m_iHorizontalScale = 100;
m_iVerticalScale = 100;
}
CFX_RTFBreakType m_dwStatus;
int32_t m_iStartPos;
int32_t m_iWidth;
int32_t m_iStartChar;
int32_t m_iChars;
int32_t m_iBidiLevel;
int32_t m_iBidiPos;
int32_t m_iFontSize;
int32_t m_iFontHeight;
int32_t m_iHorizontalScale;
int32_t m_iVerticalScale;
uint32_t m_dwIdentity;
std::vector<CFX_RTFChar>* m_pChars; // not owned.
CFX_RetainPtr<CFX_Retainable> m_pUserData;
};
typedef CFX_BaseArrayTemplate<CFX_RTFPiece> CFX_RTFPieceArray;
class CFX_RTFLine {
public:
CFX_RTFLine();
~CFX_RTFLine();
int32_t CountChars() const {
return pdfium::CollectionSize<int32_t>(m_LineChars);
}
CFX_RTFChar& GetChar(int32_t index) {
ASSERT(index >= 0 && index < pdfium::CollectionSize<int32_t>(m_LineChars));
return m_LineChars[index];
}
int32_t GetLineEnd() const { return m_iStart + m_iWidth; }
void RemoveAll(bool bLeaveMemory) {
m_LineChars.clear();
m_LinePieces.RemoveAll(bLeaveMemory);
m_iWidth = 0;
m_iArabicChars = 0;
m_iMBCSChars = 0;
}
std::vector<CFX_RTFChar> m_LineChars;
CFX_RTFPieceArray m_LinePieces;
int32_t m_iStart;
int32_t m_iWidth;
int32_t m_iArabicChars;
int32_t m_iMBCSChars;
};
class CFX_RTFBreak {
public:
explicit CFX_RTFBreak(uint32_t dwLayoutStyles);
~CFX_RTFBreak();
void SetLineBoundary(FX_FLOAT fLineStart, FX_FLOAT fLineEnd);
void SetLineStartPos(FX_FLOAT fLinePos);
void SetFont(const CFX_RetainPtr<CFGAS_GEFont>& pFont);
void SetFontSize(FX_FLOAT fFontSize);
void SetTabWidth(FX_FLOAT fTabWidth);
void SetLineBreakTolerance(FX_FLOAT fTolerance);
void SetHorizontalScale(int32_t iScale);
void SetVerticalScale(int32_t iScale);
void SetCharSpace(FX_FLOAT fCharSpace);
void SetAlignment(CFX_RTFLineAlignment align) { m_iAlignment = align; }
void SetUserData(const CFX_RetainPtr<CFX_Retainable>& pUserData);
void AddPositionedTab(FX_FLOAT fTabPos);
CFX_RTFBreakType EndBreak(CFX_RTFBreakType dwStatus);
int32_t CountBreakPieces() const;
const CFX_RTFPiece* GetBreakPiece(int32_t index) const;
void ClearBreakPieces();
void Reset();
int32_t GetDisplayPos(const FX_RTFTEXTOBJ* pText,
FXTEXT_CHARPOS* pCharPos,
bool bCharCode) const;
CFX_RTFBreakType AppendChar(FX_WCHAR wch);
CFX_RTFLine* GetCurrentLineForTesting() const { return m_pCurLine; }
private:
void AppendChar_Combination(CFX_RTFChar* pCurChar);
void AppendChar_Tab(CFX_RTFChar* pCurChar);
CFX_RTFBreakType AppendChar_Control(CFX_RTFChar* pCurChar);
CFX_RTFBreakType AppendChar_Arabic(CFX_RTFChar* pCurChar);
CFX_RTFBreakType AppendChar_Others(CFX_RTFChar* pCurChar);
void FontChanged();
void SetBreakStatus();
CFX_RTFChar* GetLastChar(int32_t index) const;
const CFX_RTFLine* GetRTFLine() const;
const CFX_RTFPieceArray* GetRTFPieces() const;
FX_CHARTYPE GetUnifiedCharType(FX_CHARTYPE chartype) const;
int32_t GetLastPositionedTab() const;
bool GetPositionedTab(int32_t* iTabPos) const;
int32_t GetBreakPos(std::vector<CFX_RTFChar>& tca,
int32_t& iEndPos,
bool bAllChars,
bool bOnlyBrk);
void SplitTextLine(CFX_RTFLine* pCurLine,
CFX_RTFLine* pNextLine,
bool bAllChars);
bool EndBreak_SplitLine(CFX_RTFLine* pNextLine,
bool bAllChars,
CFX_RTFBreakType dwStatus);
void EndBreak_BidiLine(std::deque<FX_TPO>* tpos, CFX_RTFBreakType dwStatus);
void EndBreak_Alignment(const std::deque<FX_TPO>& tpos,
bool bAllChars,
CFX_RTFBreakType dwStatus);
int32_t m_iBoundaryStart;
int32_t m_iBoundaryEnd;
uint32_t m_dwLayoutStyles;
bool m_bPagination;
CFX_RetainPtr<CFGAS_GEFont> m_pFont;
int32_t m_iFontHeight;
int32_t m_iFontSize;
int32_t m_iTabWidth;
std::vector<int32_t> m_PositionedTabs;
FX_WCHAR m_wDefChar;
int32_t m_iDefChar;
FX_WCHAR m_wLineBreakChar;
int32_t m_iHorizontalScale;
int32_t m_iVerticalScale;
int32_t m_iCharSpace;
CFX_RTFLineAlignment m_iAlignment;
CFX_RetainPtr<CFX_Retainable> m_pUserData;
FX_CHARTYPE m_eCharType;
uint32_t m_dwIdentity;
CFX_RTFLine m_RTFLine1;
CFX_RTFLine m_RTFLine2;
CFX_RTFLine* m_pCurLine;
int32_t m_iReady;
int32_t m_iTolerance;
};
#endif // XFA_FGAS_LAYOUT_FGAS_RTFBREAK_H_
|
