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
|
/* Pango
* syriac-ot.h: Determine what OpenType features to apply to characters based
* on the rules for Syriac from the OpenType standard.
*
* Copyright (C) 2004 Emil Soleyman-Zomalan
* Author: Emil Soleyman-Zomalan <emil@soleyman.com>
*
* This file is based on the Arabic shaping code from FreeType 1 tree; original
* copyright notice:
*
* The FreeType project -- a free and portable quality TrueType renderer.
*
* Copyright 1996-2000 by
* D. Turner, R.Wilhelm, and W. Lemberg
*
* The code, like the FreeType code it is derived from is dual-licensed
* under the GNU Public License and the FreeType license. See see
* pango/opentype/FT-license.txt for full details of the FreeType
* license.
*/
#ifndef __SYRIAC_OT_H__
#define __SYRIAC_OT_H__
#include <pango/pango-ot.h>
G_BEGIN_DECLS
typedef enum
{
isolated = 1 << 0, /* nominal */
final = 1 << 1, /* right_joining */
initial = 1 << 2, /* left_joining */
medial = 1 << 3, /* double_joining */
medial2 = 1 << 4, /* double_joining, applies to Alaph only */
final2 = 1 << 5, /* right_joining, applies to Alaph only */
final3 = 1 << 6 /* right_joining, applies to Alaph only */
} JoiningType;
/* A glyph's property value as needed by e.g. TT_GSUB_Apply_String()
specifies which features should *not* be applied */
typedef enum
{
isolated_p = final | initial | medial | medial2 | final2 | final3,
final_p = isolated | initial | medial | medial2 | final2 | final3,
initial_p = isolated | final | medial | medial2 | final2 | final3,
medial_p = isolated | final | initial | medial2 | final2 | final3,
medial2_p = isolated | final | initial | medial | final2 | final3,
final2_p = isolated | final | initial | medial | medial2 | final3,
final3_p = isolated | final | initial | medial | medial2 | final2
} SyriacGlyphForm;
typedef enum
{
right,
left, /* not used */
dual,
causing,
none,
transparent
} JoiningClass;
FT_Error syriac_assign_properties (gunichar *string,
gulong *properties,
int length);
G_END_DECLS
#endif /* __SYRIAC_OT_H__ */
|
