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
|
/****************************************************************************
*
* svmetric.h
*
* The FreeType services for metrics variations (specification).
*
* Copyright (C) 2016-2023 by
* David Turner, Robert Wilhelm, and Werner Lemberg.
*
* This file is part of the FreeType project, and may only be used,
* modified, and distributed under the terms of the FreeType project
* license, LICENSE.TXT. By continuing to use, modify, or distribute
* this file you indicate that you have read the license and
* understand and accept it fully.
*
*/
#ifndef SVMETRIC_H_
#define SVMETRIC_H_
#include <freetype/internal/ftserv.h>
FT_BEGIN_HEADER
/*
* A service to manage the `HVAR, `MVAR', and `VVAR' OpenType tables.
*
*/
#define FT_SERVICE_ID_METRICS_VARIATIONS "metrics-variations"
/* HVAR */
typedef FT_Error
(*FT_HAdvance_Adjust_Func)( FT_Face face,
FT_UInt gindex,
FT_Int *avalue );
typedef FT_Error
(*FT_LSB_Adjust_Func)( FT_Face face,
FT_UInt gindex,
FT_Int *avalue );
typedef FT_Error
(*FT_RSB_Adjust_Func)( FT_Face face,
FT_UInt gindex,
FT_Int *avalue );
/* VVAR */
typedef FT_Error
(*FT_VAdvance_Adjust_Func)( FT_Face face,
FT_UInt gindex,
FT_Int *avalue );
typedef FT_Error
(*FT_TSB_Adjust_Func)( FT_Face face,
FT_UInt gindex,
FT_Int *avalue );
typedef FT_Error
(*FT_BSB_Adjust_Func)( FT_Face face,
FT_UInt gindex,
FT_Int *avalue );
typedef FT_Error
(*FT_VOrg_Adjust_Func)( FT_Face face,
FT_UInt gindex,
FT_Int *avalue );
/* MVAR */
typedef void
(*FT_Metrics_Adjust_Func)( FT_Face face );
typedef FT_Error
(*FT_Size_Reset_Func)( FT_Size size );
FT_DEFINE_SERVICE( MetricsVariations )
{
FT_HAdvance_Adjust_Func hadvance_adjust;
FT_LSB_Adjust_Func lsb_adjust;
FT_RSB_Adjust_Func rsb_adjust;
FT_VAdvance_Adjust_Func vadvance_adjust;
FT_TSB_Adjust_Func tsb_adjust;
FT_BSB_Adjust_Func bsb_adjust;
FT_VOrg_Adjust_Func vorg_adjust;
FT_Metrics_Adjust_Func metrics_adjust;
FT_Size_Reset_Func size_reset;
};
#define FT_DEFINE_SERVICE_METRICSVARIATIONSREC( class_, \
hadvance_adjust_, \
lsb_adjust_, \
rsb_adjust_, \
vadvance_adjust_, \
tsb_adjust_, \
bsb_adjust_, \
vorg_adjust_, \
metrics_adjust_, \
size_reset_ ) \
static const FT_Service_MetricsVariationsRec class_ = \
{ \
hadvance_adjust_, \
lsb_adjust_, \
rsb_adjust_, \
vadvance_adjust_, \
tsb_adjust_, \
bsb_adjust_, \
vorg_adjust_, \
metrics_adjust_, \
size_reset_ \
};
/* */
FT_END_HEADER
#endif /* SVMETRIC_H_ */
/* END */
|
