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39
40#ifndef QRAWFONTPRIVATE_P_H
41#define QRAWFONTPRIVATE_P_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists purely as an
48// implementation detail. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54#include <QtGui/private/qtguiglobal_p.h>
55#include "qrawfont.h"
56
57#include "qfontengine_p.h"
58#include <QtCore/qthread.h>
59#include <QtCore/qthreadstorage.h>
60
61#if !defined(QT_NO_RAWFONT)
62
63QT_BEGIN_NAMESPACE
64
65namespace { class CustomFontFileLoader; }
66class Q_GUI_EXPORT QRawFontPrivate
67{
68public:
69 QRawFontPrivate()
70 : fontEngine(nullptr)
71 , hintingPreference(QFont::PreferDefaultHinting)
72 , thread(nullptr)
73 {}
74
75 QRawFontPrivate(const QRawFontPrivate &other)
76 : fontEngine(other.fontEngine)
77 , hintingPreference(other.hintingPreference)
78 , thread(other.thread)
79 {
80#ifndef QT_NO_DEBUG
81 Q_ASSERT(fontEngine == nullptr || thread == QThread::currentThread());
82#endif
83 if (fontEngine != nullptr)
84 fontEngine->ref.ref();
85 }
86
87 ~QRawFontPrivate()
88 {
89#ifndef QT_NO_DEBUG
90 Q_ASSERT(ref.loadRelaxed() == 0);
91#endif
92 cleanUp();
93 }
94
95 inline void cleanUp()
96 {
97 setFontEngine(nullptr);
98 hintingPreference = QFont::PreferDefaultHinting;
99 }
100
101 inline bool isValid() const
102 {
103#ifndef QT_NO_DEBUG
104 Q_ASSERT(fontEngine == nullptr || thread == QThread::currentThread());
105#endif
106 return fontEngine != nullptr;
107 }
108
109 inline void setFontEngine(QFontEngine *engine)
110 {
111#ifndef QT_NO_DEBUG
112 Q_ASSERT(fontEngine == nullptr || thread == QThread::currentThread());
113#endif
114 if (fontEngine == engine)
115 return;
116
117 if (fontEngine != nullptr) {
118 if (!fontEngine->ref.deref())
119 delete fontEngine;
120#ifndef QT_NO_DEBUG
121 thread = nullptr;
122#endif
123 }
124
125 fontEngine = engine;
126
127 if (fontEngine != nullptr) {
128 fontEngine->ref.ref();
129#ifndef QT_NO_DEBUG
130 thread = QThread::currentThread();
131 Q_ASSERT(thread);
132#endif
133 }
134 }
135
136 void loadFromData(const QByteArray &fontData,
137 qreal pixelSize,
138 QFont::HintingPreference hintingPreference);
139
140 static QRawFontPrivate *get(const QRawFont &font) { return font.d.data(); }
141
142 QFontEngine *fontEngine;
143 QFont::HintingPreference hintingPreference;
144 QAtomicInt ref;
145
146private:
147 QThread *thread;
148};
149
150QT_END_NAMESPACE
151
152#endif // QT_NO_RAWFONT
153
154#endif // QRAWFONTPRIVATE_P_H
155

source code of qtbase/src/gui/text/qrawfont_p.h