blob: 58651583fcb2615cdb3d6125a71270b6bf4453c9 (
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
|
// -*- related-file-name: "../../libefont/otfpost.cc" -*-
#ifndef EFONT_OTFPOST_HH
#define EFONT_OTFPOST_HH
#include <efont/otfdata.hh>
#include <lcdf/error.hh>
namespace Efont { namespace OpenType {
class Post { public:
Post(const String &, ErrorHandler * = 0);
// default destructor
bool ok() const { return _error >= 0; }
int error() const { return _error; }
double italic_angle() const;
bool is_fixed_pitch() const;
inline int underline_position() const;
inline int underline_thickness() const;
inline uint32_t mem_type42(bool ismax) const;
int nglyphs() const { return _nglyphs; }
bool glyph_names(Vector<PermString> &gnames) const;
private:
Data _str;
int _error;
uint32_t _version;
int _nglyphs;
Vector<int> _extend_glyph_names;
enum { HEADER_SIZE = 32, N_MAC_GLYPHS = 258 };
int parse_header(ErrorHandler *);
};
inline int
Post::underline_position() const
{
// NB: "This is the suggested distance of the top of the underline from
// the baseline (negative values indicate below baseline). The PostScript
// definition of this FontInfo dictionary key (the y coordinate of the
// center of the stroke) is not used for historical reasons. The value of
// the PostScript key may be calculated by subtracting half the
// underlineThickness from the value of this field." -- OpenType spec
return ok() ? _str.s16(8) : 0;
}
inline int
Post::underline_thickness() const
{
return ok() ? _str.s16(10) : 0;
}
inline uint32_t
Post::mem_type42(bool ismax) const
{
return ok() ? _str.u32(ismax ? 20 : 16) : 0;
}
}}
#endif
|