summaryrefslogtreecommitdiff
path: root/xfa/src/fgas/include/fx_tbk.h
blob: 69b42f1fd722b17a6d1d00e337b96098a60e9608 (plain)
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
// 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 _FX_TEXTBREAK
#define _FX_TEXTBREAK
class IFX_Font;
class CFX_Char;
class IFX_TxtAccess;
class CFX_TxtChar;
class CFX_TxtPiece;
class IFX_TxtBreak;
#define FX_TXTBREAKPOLICY_None				0x00
#define FX_TXTBREAKPOLICY_Pagination		0x01
#define FX_TXTBREAKPOLICY_SpaceBreak		0x02
#define FX_TXTBREAKPOLICY_NumberBreak		0x04
#define FX_TXTBREAK_None					0x00
#define FX_TXTBREAK_PieceBreak				0x01
#define FX_TXTBREAK_LineBreak				0x02
#define FX_TXTBREAK_ParagraphBreak			0x03
#define FX_TXTBREAK_PageBreak				0x04
#define FX_TXTBREAK_ControlChar				0x10
#define FX_TXTBREAK_BreakChar				0x20
#define FX_TXTBREAK_UnknownChar				0x40
#define FX_TXTBREAK_RemoveChar				0x80
#define FX_TXTLAYOUTSTYLE_MutipleFormat		0x0001
#define FX_TXTLAYOUTSTYLE_VerticalLayout	0x0002
#define FX_TXTLAYOUTSTYLE_VerticalChars		0x0004
#define FX_TXTLAYOUTSTYLE_ReverseLine		0x0008
#define FX_TXTLAYOUTSTYLE_ArabicContext		0x0010
#define FX_TXTLAYOUTSTYLE_ArabicShapes		0x0020
#define FX_TXTLAYOUTSTYLE_RTLReadingOrder	0x0040
#define FX_TXTLAYOUTSTYLE_ExpandTab			0x0100
#define FX_TXTLAYOUTSTYLE_SingleLine		0x0200
#define FX_TXTLAYOUTSTYLE_CombText			0x0400
#define FX_TXTCHARSTYLE_Alignment			0x000F
#define FX_TXTCHARSTYLE_ArabicNumber		0x0010
#define FX_TXTCHARSTYLE_ArabicShadda		0x0020
#define FX_TXTCHARSTYLE_OddBidiLevel		0x0040
#define FX_TXTCHARSTYLE_RTLReadingOrder		0x0080
#define FX_TXTCHARSTYLE_ArabicContext		0x0300
#define FX_TXTCHARSTYLE_ArabicIndic			0x0400
#define FX_TXTCHARSTYLE_ArabicComma			0x0800
#define FX_TXTLINEALIGNMENT_Left				0
#define FX_TXTLINEALIGNMENT_Center				1
#define FX_TXTLINEALIGNMENT_Right				2
#define FX_TXTLINEALIGNMENT_Justified			(1 << 2)
#define FX_TXTLINEALIGNMENT_Distributed			(2 << 2)
#define FX_TXTLINEALIGNMENT_JustifiedLeft		(FX_TXTLINEALIGNMENT_Left | FX_TXTLINEALIGNMENT_Justified)
#define FX_TXTLINEALIGNMENT_JustifiedCenter		(FX_TXTLINEALIGNMENT_Center | FX_TXTLINEALIGNMENT_Justified)
#define FX_TXTLINEALIGNMENT_JustifiedRight		(FX_TXTLINEALIGNMENT_Right | FX_TXTLINEALIGNMENT_Justified)
#define FX_TXTLINEALIGNMENT_DistributedLeft		(FX_TXTLINEALIGNMENT_Left | FX_TXTLINEALIGNMENT_Distributed)
#define FX_TXTLINEALIGNMENT_DistributedCenter	(FX_TXTLINEALIGNMENT_Center | FX_TXTLINEALIGNMENT_Distributed)
#define FX_TXTLINEALIGNMENT_DistributedRight	(FX_TXTLINEALIGNMENT_Right | FX_TXTLINEALIGNMENT_Distributed)
#define FX_TXTLINEALIGNMENT_LowerMask			0x03
#define FX_TXTLINEALIGNMENT_HigherMask			0x0C
#define FX_TXTBREAK_MinimumTabWidth				160000
class IFX_TxtAccess
{
public:
    virtual FX_WCHAR	GetChar(FX_LPVOID pIdentity, int32_t index) const = 0;
    virtual int32_t	GetWidth(FX_LPVOID pIdentity, int32_t index) const = 0;
};
typedef struct _FX_TXTRUN {
    _FX_TXTRUN()
    {
        pAccess			= NULL;
        pIdentity		= NULL;
        pStr			= NULL;
        pWidths			= NULL;
        iLength			= 0;
        pFont			= NULL;
        fFontSize		= 12;
        dwStyles		= 0;
        iHorizontalScale = 100;
        iVerticalScale	= 100;
        iCharRotation	= 0;
        dwCharStyles	= 0;
        pRect			= NULL;
        wLineBreakChar	= L'\n';
        bSkipSpace		= TRUE;
    }
    IFX_TxtAccess	*pAccess;
    FX_LPVOID		pIdentity;
    FX_LPCWSTR		pStr;
    int32_t		*pWidths;
    int32_t		iLength;
    IFX_Font		*pFont;
    FX_FLOAT		fFontSize;
    FX_DWORD		dwStyles;
    int32_t		iHorizontalScale;
    int32_t		iVerticalScale;
    int32_t		iCharRotation;
    FX_DWORD		dwCharStyles;
    FX_LPCRECTF		pRect;
    FX_WCHAR		wLineBreakChar;
    FX_BOOL			bSkipSpace;
} FX_TXTRUN, * FX_LPTXTRUN;
typedef FX_TXTRUN const * FX_LPCTXTRUN;
class CFX_TxtPiece : public CFX_Target
{
public:
    CFX_TxtPiece() : m_dwStatus(FX_TXTBREAK_PieceBreak)
        , m_iStartPos(0)
        , m_iWidth(-1)
        , m_iStartChar(0)
        , m_iChars(0)
        , m_iBidiLevel(0)
        , m_iBidiPos(0)
        , m_iHorizontalScale(100)
        , m_iVerticalScale(100)
        , m_dwCharStyles(0)
        , m_pChars(NULL)
        , m_pUserData(NULL)
    {
    }
    int32_t GetEndPos() const
    {
        return m_iWidth < 0 ? m_iStartPos : m_iStartPos + m_iWidth;
    }
    int32_t GetLength() const
    {
        return m_iChars;
    }
    int32_t GetEndChar() const
    {
        return m_iStartChar + m_iChars;
    }
    CFX_TxtChar* GetCharPtr(int32_t index) const
    {
        FXSYS_assert(index > -1 && index < m_iChars && m_pChars != NULL);
        return m_pChars->GetDataPtr(m_iStartChar + index);
    }
    void GetString(FX_LPWSTR pText) const
    {
        FXSYS_assert(pText != NULL);
        int32_t iEndChar = m_iStartChar + m_iChars;
        CFX_Char *pChar;
        for (int32_t i = m_iStartChar; i < iEndChar; i ++) {
            pChar = m_pChars->GetDataPtr(i);
            *pText ++ = (FX_WCHAR)pChar->m_wCharCode;
        }
    }

    void GetString(CFX_WideString &wsText) const
    {
        FX_LPWSTR pText = wsText.GetBuffer(m_iChars);
        GetString(pText);
        wsText.ReleaseBuffer(m_iChars);
    }
    void GetWidths(int32_t *pWidths) const
    {
        FXSYS_assert(pWidths != NULL);
        int32_t iEndChar = m_iStartChar + m_iChars;
        CFX_Char *pChar;
        for (int32_t i = m_iStartChar; i < iEndChar; i ++) {
            pChar = m_pChars->GetDataPtr(i);
            *pWidths ++ = pChar->m_iCharWidth;
        }
    }
    FX_DWORD			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_iHorizontalScale;
    int32_t			m_iVerticalScale;
    FX_DWORD			m_dwCharStyles;
    CFX_TxtCharArray	*m_pChars;
    FX_LPVOID			m_pUserData;
};
typedef CFX_BaseArrayTemplate<CFX_TxtPiece> CFX_TxtPieceArray;
class IFX_TxtBreak
{
public:
    static IFX_TxtBreak*	Create(FX_DWORD dwPolicies);
    virtual void			Release() = 0;
    virtual void			SetLineWidth(FX_FLOAT fLineWidth) = 0;
    virtual void			SetLinePos(FX_FLOAT fLinePos) = 0;
    virtual FX_DWORD		GetLayoutStyles() const = 0;
    virtual void			SetLayoutStyles(FX_DWORD dwLayoutStyles) = 0;
    virtual void			SetFont(IFX_Font *pFont) = 0;
    virtual void			SetFontSize(FX_FLOAT fFontSize) = 0;
    virtual void			SetTabWidth(FX_FLOAT fTabWidth, FX_BOOL bEquidistant) = 0;
    virtual void			SetDefaultChar(FX_WCHAR wch) = 0;
    virtual void			SetParagraphBreakChar(FX_WCHAR wch) = 0;
    virtual void			SetLineBreakTolerance(FX_FLOAT fTolerance) = 0;
    virtual void			SetHorizontalScale(int32_t iScale) = 0;
    virtual void			SetVerticalScale(int32_t iScale) = 0;
    virtual void			SetCharRotation(int32_t iCharRotation) = 0;
    virtual void			SetCharSpace(FX_FLOAT fCharSpace) = 0;
    virtual void			SetAlignment(int32_t iAlignment) = 0;
    virtual FX_DWORD		GetContextCharStyles() const = 0;
    virtual void			SetContextCharStyles(FX_DWORD dwCharStyles) = 0;
    virtual void			SetCombWidth(FX_FLOAT fCombWidth) = 0;
    virtual void			SetUserData(FX_LPVOID pUserData) = 0;
    virtual FX_DWORD					AppendChar(FX_WCHAR wch) = 0;
    virtual FX_DWORD					EndBreak(FX_DWORD dwStatus = FX_TXTBREAK_PieceBreak) = 0;
    virtual int32_t					CountBreakChars() const = 0;
    virtual int32_t					CountBreakPieces() const = 0;
    virtual const CFX_TxtPiece*			GetBreakPiece(int32_t index) const = 0;
    virtual void						ClearBreakPieces() = 0;
    virtual void			Reset() = 0;
    virtual int32_t		GetDisplayPos(FX_LPCTXTRUN pTxtRun, FXTEXT_CHARPOS *pCharPos, FX_BOOL bCharCode = FALSE, CFX_WideString *pWSForms = NULL, FX_AdjustCharDisplayPos pAdjustPos = NULL) const = 0;
    virtual int32_t		GetCharRects(FX_LPCTXTRUN pTxtRun, CFX_RectFArray &rtArray, FX_BOOL bCharBBox = FALSE) const = 0;
};
#endif