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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 | |
63 | QT_BEGIN_NAMESPACE |
64 | |
65 | namespace { class CustomFontFileLoader; } |
66 | class Q_GUI_EXPORT QRawFontPrivate |
67 | { |
68 | public: |
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 | |
146 | private: |
147 | QThread *thread; |
148 | }; |
149 | |
150 | QT_END_NAMESPACE |
151 | |
152 | #endif // QT_NO_RAWFONT |
153 | |
154 | #endif // QRAWFONTPRIVATE_P_H |
155 | |