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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
|
/*
Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies)
Copyright (C) 2008 Holger Hans Peter Freyther
Copyright (C) 2009 Torch Mobile Inc. http://www.torchmobile.com/
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Library General Public License for more details.
You should have received a copy of the GNU Library General Public License
along with this library; see the file COPYING.LIB. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
This class provides all functionality needed for loading images, style sheets and html
pages from the web. It has a memory cache for these objects.
*/
#ifndef FontPlatformData_h
#define FontPlatformData_h
#include <wtf/Forward.h>
#include "FontDescription.h"
#include "FontOrientation.h"
#include <QFont>
#include <QHash>
namespace WebCore {
class FontPlatformDataPrivate {
WTF_MAKE_NONCOPYABLE(FontPlatformDataPrivate); WTF_MAKE_FAST_ALLOCATED;
public:
FontPlatformDataPrivate()
: refCount(1)
, size(font.pixelSize())
, bold(font.bold())
, oblique(false)
{}
FontPlatformDataPrivate(const float size, const bool bold, const bool oblique)
: refCount(1)
, size(size)
, bold(bold)
, oblique(oblique)
{}
FontPlatformDataPrivate(const QFont& font)
: refCount(1)
, font(font)
, size(font.pixelSize())
, bold(font.bold())
, oblique(false)
{}
unsigned refCount;
QFont font;
float size;
bool bold : 1;
bool oblique : 1;
};
class FontPlatformData {
WTF_MAKE_FAST_ALLOCATED;
public:
FontPlatformData() { }
FontPlatformData(float size, bool bold, bool oblique);
FontPlatformData(const FontPlatformData &);
FontPlatformData(const FontDescription&, const AtomicString& familyName, int wordSpacing = 0, int letterSpacing = 0);
FontPlatformData(const QFont& font)
: m_data(new FontPlatformDataPrivate(font))
{}
FontPlatformData(WTF::HashTableDeletedValueType)
: m_data(reinterpret_cast<FontPlatformDataPrivate*>(-1))
{}
~FontPlatformData();
FontPlatformData& operator=(const FontPlatformData&);
bool operator==(const FontPlatformData&) const;
bool isHashTableDeletedValue() const
{
return m_data == reinterpret_cast<FontPlatformDataPrivate*>(-1);
}
static inline QFont::Weight toQFontWeight(FontWeight fontWeight)
{
switch (fontWeight) {
case FontWeight100:
case FontWeight200:
return QFont::Light; // QFont::Light == Weight of 25
case FontWeight600:
return QFont::DemiBold; // QFont::DemiBold == Weight of 63
case FontWeight700:
case FontWeight800:
return QFont::Bold; // QFont::Bold == Weight of 75
case FontWeight900:
return QFont::Black; // QFont::Black == Weight of 87
case FontWeight300:
case FontWeight400:
case FontWeight500:
default:
return QFont::Normal; // QFont::Normal == Weight of 50
}
}
QFont font() const
{
Q_ASSERT(m_data != reinterpret_cast<FontPlatformDataPrivate*>(-1));
if (m_data)
return m_data->font;
return QFont();
}
float size() const
{
Q_ASSERT(m_data != reinterpret_cast<FontPlatformDataPrivate*>(-1));
if (m_data)
return m_data->size;
return 0.0f;
}
QString family() const
{
Q_ASSERT(m_data != reinterpret_cast<FontPlatformDataPrivate*>(-1));
if (m_data)
return m_data->font.family();
return QString();
}
bool bold() const
{
Q_ASSERT(m_data != reinterpret_cast<FontPlatformDataPrivate*>(-1));
if (m_data)
return m_data->bold;
return false;
}
bool italic() const
{
Q_ASSERT(m_data != reinterpret_cast<FontPlatformDataPrivate*>(-1));
if (m_data)
return m_data->font.italic();
return false;
}
bool smallCaps() const
{
Q_ASSERT(m_data != reinterpret_cast<FontPlatformDataPrivate*>(-1));
if (m_data)
return m_data->font.capitalization() == QFont::SmallCaps;
return false;
}
int pixelSize() const
{
Q_ASSERT(m_data != reinterpret_cast<FontPlatformDataPrivate*>(-1));
if (m_data) {
// WebKit allows font size zero but QFont does not.
if (!m_data->size)
return m_data->size;
return m_data->font.pixelSize();
}
return 0;
}
FontOrientation orientation() const { return Horizontal; } // FIXME: Implement.
unsigned hash() const;
#ifndef NDEBUG
String description() const;
#endif
private:
FontPlatformDataPrivate* m_data;
};
} // namespace WebCore
#endif // FontPlatformData_h
|