1 /*
2 * Copyright (C) 2007 Nicholas Shanks <contact@nickshanks.com>
3 * Copyright (C) 2008 Apple Inc. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of
15 * its contributors may be used to endorse or promote products derived
16 * from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
19 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
20 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
21 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
22 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
23 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
24 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
25 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 #include "config.h"
31 #include "FontDescription.h"
32
33 namespace WebCore {
34
lighterWeight(void) const35 FontWeight FontDescription::lighterWeight(void) const
36 {
37 // FIXME: Should actually return the CSS weight corresponding to next lightest
38 // weight of the currently used font family.
39 switch (m_weight) {
40 case FontWeight100:
41 case FontWeight200:
42 return FontWeight100;
43
44 case FontWeight300:
45 return FontWeight200;
46
47 case FontWeight400:
48 case FontWeight500:
49 return FontWeight300;
50
51 case FontWeight600:
52 case FontWeight700:
53 return FontWeight400;
54
55 case FontWeight800:
56 return FontWeight500;
57
58 case FontWeight900:
59 return FontWeight700;
60 }
61 ASSERT_NOT_REACHED();
62 return FontWeightNormal;
63 }
64
bolderWeight(void) const65 FontWeight FontDescription::bolderWeight(void) const
66 {
67 // FIXME: Should actually return the CSS weight corresponding to next heaviest
68 // weight of the currently used font family.
69 switch (m_weight) {
70 case FontWeight100:
71 case FontWeight200:
72 return FontWeight300;
73
74 case FontWeight300:
75 return FontWeight400;
76
77 case FontWeight400:
78 case FontWeight500:
79 return FontWeight700;
80
81 case FontWeight600:
82 case FontWeight700:
83 return FontWeight800;
84
85 case FontWeight800:
86 case FontWeight900:
87 return FontWeight900;
88 }
89 ASSERT_NOT_REACHED();
90 return FontWeightNormal;
91 }
92
traitsMask() const93 FontTraitsMask FontDescription::traitsMask() const
94 {
95 return static_cast<FontTraitsMask>((m_italic ? FontStyleItalicMask : FontStyleNormalMask)
96 | (m_smallCaps ? FontVariantSmallCapsMask : FontVariantNormalMask)
97 | (FontWeight100Mask << (m_weight - FontWeight100)));
98
99 }
100
101 } // namespace WebCore
102