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
|
/***************************************************************************/
/* */
/* ftpfr.c */
/* */
/* FreeType API for accessing PFR-specific data */
/* */
/* Copyright 2002 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. */
/* */
/***************************************************************************/
#include <ft2build.h>
#include FT_INTERNAL_PFR_H
#include FT_INTERNAL_OBJECTS_H
/* check the format */
static FT_Error
ft_pfr_check( FT_Face face,
FT_PFR_Service *aservice )
{
FT_Error error = FT_Err_Bad_Argument;
if ( face && face->driver )
{
FT_Module module = (FT_Module) face->driver;
const char* name = module->clazz->module_name;
if ( name[0] == 'p' &&
name[1] == 'f' &&
name[2] == 'r' &&
name[4] == 0 )
{
*aservice = (FT_PFR_Service) module->clazz->module_interface;
error = 0;
}
}
return error;
}
FT_EXPORT_DEF( FT_Error )
FT_Get_PFR_Metrics( FT_Face face,
FT_UInt *aoutline_resolution,
FT_UInt *ametrics_resolution,
FT_Fixed *ametrics_x_scale,
FT_Fixed *ametrics_y_scale )
{
FT_Error error;
FT_PFR_Service service;
error = ft_pfr_check( face, &service );
if ( !error )
{
error = service->get_metrics( face,
aoutline_resolution,
ametrics_resolution,
ametrics_x_scale,
ametrics_y_scale );
}
return error;
}
FT_EXPORT_DEF( FT_Error )
FT_Get_PFR_Kerning( FT_Face face,
FT_UInt left,
FT_UInt right,
FT_Vector *avector )
{
FT_Error error;
FT_PFR_Service service;
error = ft_pfr_check( face, &service );
if ( !error )
{
error = service->get_kerning( face, left, right, avector );
}
return error;
}
FT_EXPORT_DEF( FT_Error )
FT_Get_PFR_Advance( FT_Face face,
FT_UInt gindex,
FT_Pos *aadvance )
{
FT_Error error;
FT_PFR_Service service;
error = ft_pfr_check( face, &service );
if ( !error )
{
error = service->get_advance( face, gindex, aadvance );
}
return error;
}
/* END */
|