blob: cbf13e7b067759cb9c94f2cc63091a5a648167b1 (
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
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
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#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 <QtGui/private/qtguiglobal_p.h>
#include "qstatictext.h"
#include <private/qtextureglyphcache_p.h>
#include <QtGui/qcolor.h>
QT_BEGIN_NAMESPACE
class Q_GUI_EXPORT QStaticTextUserData
{
public:
enum Type {
NoUserData,
OpenGLUserData
};
QStaticTextUserData(Type t) : ref(0), type(t) {}
virtual ~QStaticTextUserData();
QAtomicInt ref;
Type type;
};
class Q_GUI_EXPORT QStaticTextItem
{
public:
QStaticTextItem() : useBackendOptimizations(false),
userDataNeedsUpdate(0), usesRawFont(0),
m_fontEngine(nullptr), m_userData(nullptr) {}
void setUserData(QStaticTextUserData *newUserData)
{
m_userData = newUserData;
}
QStaticTextUserData *userData() const { return m_userData.data(); }
void setFontEngine(QFontEngine *fe)
{
m_fontEngine = fe;
}
QFontEngine *fontEngine() const { return m_fontEngine.data(); }
union {
QFixedPoint *glyphPositions; // 8 bytes per glyph
int positionOffset;
};
union {
glyph_t *glyphs; // 4 bytes per glyph
int glyphOffset;
};
// =================
// 12 bytes per glyph
// 8 bytes for pointers
int numGlyphs; // 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; //
char usesRawFont : 1; //
private: // private to avoid abuse
QExplicitlySharedDataPointer<QFontEngine> m_fontEngine; // 4 bytes per item
QExplicitlySharedDataPointer<QStaticTextUserData> m_userData; // 8 bytes per item
// ================
// 43 bytes per item
};
Q_DECLARE_TYPEINFO(QStaticTextItem, Q_RELOCATABLE_TYPE);
class QStaticText;
class Q_AUTOTEST_EXPORT QStaticTextPrivate
{
public:
QStaticTextPrivate();
QStaticTextPrivate(const QStaticTextPrivate &other);
~QStaticTextPrivate();
void init();
void paintText(const QPointF &pos, QPainter *p, const QColor &pen);
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
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;
// ================
// 191 bytes per text
static QStaticTextPrivate *get(const QStaticText *q);
};
QT_END_NAMESPACE
#endif // QSTATICTEXT_P_H
|
