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
|
/*
* Copyright (C) 2008 Apple Inc. All Rights Reserved.
* Copyright (C) 2014 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef FontTraits_h
#define FontTraits_h
#include "wtf/Assertions.h"
namespace WebCore {
enum FontWeight {
FontWeight100,
FontWeight200,
FontWeight300,
FontWeight400,
FontWeight500,
FontWeight600,
FontWeight700,
FontWeight800,
FontWeight900,
FontWeightNormal = FontWeight400,
FontWeightBold = FontWeight700
};
// Numeric values matching OS/2 & Windows Metrics usWidthClass table.
// https://www.microsoft.com/typography/otspec/os2.htm
enum FontStretch {
FontStretchUltraCondensed = 1,
FontStretchExtraCondensed = 2,
FontStretchCondensed = 3,
FontStretchSemiCondensed = 4,
FontStretchNormal = 5,
FontStretchSemiExpanded = 6,
FontStretchExpanded = 7,
FontStretchExtraExpanded = 8,
FontStretchUltraExpanded = 9
};
enum FontStyle {
FontStyleNormal = 0,
FontStyleItalic = 1
};
enum FontVariant {
FontVariantNormal = 0,
FontVariantSmallCaps = 1
};
typedef unsigned FontTraitsMask;
struct FontTraits {
FontTraits(FontStyle style, FontVariant variant, FontWeight weight, FontStretch stretch)
: m_style(style), m_variant(variant), m_weight(weight), m_stretch(stretch), m_filler(0)
{
ASSERT(!m_filler);
ASSERT(!(m_mask >> 10));
}
FontTraits(FontTraitsMask mask)
: m_mask(mask)
{
ASSERT(!m_filler);
ASSERT(!(m_mask >> 10));
}
FontStyle style() const { return static_cast<FontStyle>(m_style); }
FontVariant variant() const { return static_cast<FontVariant>(m_variant); }
FontWeight weight() const { return static_cast<FontWeight>(m_weight); }
FontStretch stretch() const { return static_cast<FontStretch>(m_stretch); }
FontTraitsMask mask() const { return m_mask; }
union {
struct {
unsigned m_style : 1;
unsigned m_variant : 1;
unsigned m_weight : 4;
unsigned m_stretch : 4;
unsigned m_filler : 22;
};
unsigned m_mask;
};
};
} // namespace WebCore
#endif // FontTraits_h
|
