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
|
/**
* Yudit Unicode Editor Source File
*
* GNU Copyright (C) 1997-2023 Gaspar Sinai <gaspar@yudit.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2,
* dated June 1991. See file COPYYING for details.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef SRendClass_h
#define SRendClass_h
#include <stoolkit/STypes.h>
/*!
* \file SRendClass.h
* \brief Character Rendering Properties
* \author: Gaspar Sinai <gaspar@yudit.org>
* \version: 2000-04-23
*/
class SRendClass
{
public:
/*!
* \enum SType
* \brief A list of character properties that are useful
* when rendering text.
* There are inherent properties, and derived properties.
* Inherent properties can be determined from the unicode
* codepoint. Derived properties are derived, for instance
* the surrounding character.
*
* Joining class, for instance, is an inherent property
* and isolated form is a derived property. For simplicity
* we just mixed the whole set into one SType as there can
* be a lot of overlaps.
*/
enum RType
{
None=0, //!< Placeholder
//-----------------------------------------------------------------------
// Indic - Inherent
//-----------------------------------------------------------------------
Cbase,
Cbelow,
Cpost,
Cdead, // This will be rewritten as Cbase or Cpre
Mpre,
Mabove,
Mpost,
Mbelow,
Vsplit,
VMbelow,
VMabove,
VMpost,
LMpost,
SMabove,
SMbelow,
VO,
Nukta,
Halant,
ZWJ,
ZWNJ,
//-----------------------------------------------------------------------
// Indic - Derived
//-----------------------------------------------------------------------
Cpre=100,
Cra,
Creph,
CMra,
CMreph,
Chbase,
Cfirst,
Clast,
JamoL,
JamoV,
JamoT,
Any
};
static RType get (SS_UCS4 u);
static bool split (SS_UCS4 u, SS_UCS4* left, SS_UCS4* right);
static const char* string (RType);
};
#endif /*SRendClass_h*/
|
