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
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
|
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the test suite of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QSTATICTEXT_P_H
#define QSTATICTEXT_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists for the convenience
// of internal files. This header file may change from version to version
// without notice, or even be removed.
//
// We mean it.
//
#include "qstatictext.h"
#include <private/qtextureglyphcache_p.h>
#include <QtGui/qcolor.h>
QT_BEGIN_NAMESPACE
class QStaticTextUserData
{
public:
enum Type {
NoUserData,
OpenGLUserData
};
QStaticTextUserData(Type t) : type(t) { ref = 0; }
virtual ~QStaticTextUserData() {}
QAtomicInt ref;
Type type;
};
class Q_GUI_EXPORT QStaticTextItem
{
public:
QStaticTextItem() : chars(0), numChars(0), useBackendOptimizations(false),
userDataNeedsUpdate(0), m_fontEngine(0), m_userData(0) {}
QStaticTextItem(const QStaticTextItem &other)
{
operator=(other);
}
void operator=(const QStaticTextItem &other)
{
glyphPositions = other.glyphPositions;
glyphs = other.glyphs;
chars = other.chars;
numGlyphs = other.numGlyphs;
numChars = other.numChars;
font = other.font;
color = other.color;
useBackendOptimizations = other.useBackendOptimizations;
userDataNeedsUpdate = other.userDataNeedsUpdate;
m_fontEngine = 0;
m_userData = 0;
setUserData(other.userData());
setFontEngine(other.fontEngine());
}
~QStaticTextItem();
void setUserData(QStaticTextUserData *newUserData)
{
if (m_userData == newUserData)
return;
if (m_userData != 0 && !m_userData->ref.deref())
delete m_userData;
m_userData = newUserData;
if (m_userData != 0)
m_userData->ref.ref();
}
QStaticTextUserData *userData() const { return m_userData; }
void setFontEngine(QFontEngine *fe);
QFontEngine *fontEngine() const { return m_fontEngine; }
union {
QFixedPoint *glyphPositions; // 8 bytes per glyph
int positionOffset;
};
union {
glyph_t *glyphs; // 4 bytes per glyph
int glyphOffset;
};
union {
QChar *chars; // 2 bytes per glyph
int charOffset;
};
// =================
// 14 bytes per glyph
// 12 bytes for pointers
int numGlyphs; // 4 bytes per item
int numChars; // 4 bytes per item
QFont font; // 8 bytes per item
QColor color; // 10 bytes per item
char useBackendOptimizations : 1; // 1 byte per item
char userDataNeedsUpdate : 1; //
// ================
// 51 bytes per item
private: // Needs special handling in setters, so private to avoid abuse
QFontEngine *m_fontEngine; // 4 bytes per item
QStaticTextUserData *m_userData; // 8 bytes per item
};
class QStaticText;
class Q_AUTOTEST_EXPORT QStaticTextPrivate
{
public:
QStaticTextPrivate();
QStaticTextPrivate(const QStaticTextPrivate &other);
~QStaticTextPrivate();
void init();
void paintText(const QPointF &pos, QPainter *p);
void invalidate()
{
needsRelayout = true;
}
QAtomicInt ref; // 4 bytes per text
QString text; // 4 bytes per text
QFont font; // 8 bytes per text
qreal textWidth; // 8 bytes per text
QSizeF actualSize; // 16 bytes per text
QPointF position; // 16 bytes per text
QTransform matrix; // 80 bytes per text
QStaticTextItem *items; // 4 bytes per text
int itemCount; // 4 bytes per text
glyph_t *glyphPool; // 4 bytes per text
QFixedPoint *positionPool; // 4 bytes per text
QChar *charPool; // 4 bytes per text
QTextOption textOption; // 28 bytes per text
unsigned char needsRelayout : 1; // 1 byte per text
unsigned char useBackendOptimizations : 1;
unsigned char textFormat : 2;
unsigned char untransformedCoordinates : 1;
// ================
// 195 bytes per text
static QStaticTextPrivate *get(const QStaticText *q);
};
QT_END_NAMESPACE
#endif // QSTATICTEXT_P_H
|
