| 1 | // Copyright (C) 2016 The Qt Company Ltd. |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #ifndef QRAWFONTPRIVATE_P_H |
| 5 | #define QRAWFONTPRIVATE_P_H |
| 6 | |
| 7 | // |
| 8 | // W A R N I N G |
| 9 | // ------------- |
| 10 | // |
| 11 | // This file is not part of the Qt API. It exists purely as an |
| 12 | // implementation detail. This header file may change from version to |
| 13 | // version without notice, or even be removed. |
| 14 | // |
| 15 | // We mean it. |
| 16 | // |
| 17 | |
| 18 | #include <QtGui/private/qtguiglobal_p.h> |
| 19 | #include "qrawfont.h" |
| 20 | |
| 21 | #include "qfontengine_p.h" |
| 22 | #include <QtCore/qthread.h> |
| 23 | #include <QtCore/qthreadstorage.h> |
| 24 | |
| 25 | #if !defined(QT_NO_RAWFONT) |
| 26 | |
| 27 | QT_BEGIN_NAMESPACE |
| 28 | |
| 29 | namespace { class CustomFontFileLoader; } |
| 30 | class Q_GUI_EXPORT QRawFontPrivate |
| 31 | { |
| 32 | public: |
| 33 | QRawFontPrivate() |
| 34 | : fontEngine(nullptr) |
| 35 | , hintingPreference(QFont::PreferDefaultHinting) |
| 36 | , thread(nullptr) |
| 37 | {} |
| 38 | |
| 39 | QRawFontPrivate(const QRawFontPrivate &other) |
| 40 | : fontEngine(other.fontEngine) |
| 41 | , hintingPreference(other.hintingPreference) |
| 42 | , thread(other.thread) |
| 43 | { |
| 44 | #ifndef QT_NO_DEBUG |
| 45 | Q_ASSERT(fontEngine == nullptr || thread == QThread::currentThread()); |
| 46 | #endif |
| 47 | if (fontEngine != nullptr) |
| 48 | fontEngine->ref.ref(); |
| 49 | } |
| 50 | |
| 51 | ~QRawFontPrivate() |
| 52 | { |
| 53 | #ifndef QT_NO_DEBUG |
| 54 | Q_ASSERT(ref.loadRelaxed() == 0); |
| 55 | #endif |
| 56 | cleanUp(); |
| 57 | } |
| 58 | |
| 59 | inline void cleanUp() |
| 60 | { |
| 61 | setFontEngine(nullptr); |
| 62 | hintingPreference = QFont::PreferDefaultHinting; |
| 63 | } |
| 64 | |
| 65 | inline bool isValid() const |
| 66 | { |
| 67 | #ifndef QT_NO_DEBUG |
| 68 | Q_ASSERT(fontEngine == nullptr || thread == QThread::currentThread()); |
| 69 | #endif |
| 70 | return fontEngine != nullptr; |
| 71 | } |
| 72 | |
| 73 | inline void setFontEngine(QFontEngine *engine) |
| 74 | { |
| 75 | #ifndef QT_NO_DEBUG |
| 76 | Q_ASSERT(fontEngine == nullptr || thread == QThread::currentThread()); |
| 77 | #endif |
| 78 | if (fontEngine == engine) |
| 79 | return; |
| 80 | |
| 81 | if (fontEngine != nullptr) { |
| 82 | if (!fontEngine->ref.deref()) |
| 83 | delete fontEngine; |
| 84 | #ifndef QT_NO_DEBUG |
| 85 | thread = nullptr; |
| 86 | #endif |
| 87 | } |
| 88 | |
| 89 | fontEngine = engine; |
| 90 | |
| 91 | if (fontEngine != nullptr) { |
| 92 | fontEngine->ref.ref(); |
| 93 | #ifndef QT_NO_DEBUG |
| 94 | thread = QThread::currentThread(); |
| 95 | Q_ASSERT(thread); |
| 96 | #endif |
| 97 | } |
| 98 | } |
| 99 | |
| 100 | void loadFromData(const QByteArray &fontData, |
| 101 | qreal pixelSize, |
| 102 | QFont::HintingPreference hintingPreference); |
| 103 | |
| 104 | static QRawFontPrivate *get(const QRawFont &font) { return font.d.data(); } |
| 105 | |
| 106 | QFontEngine *fontEngine; |
| 107 | QFont::HintingPreference hintingPreference; |
| 108 | QAtomicInt ref; |
| 109 | |
| 110 | private: |
| 111 | QThread *thread; |
| 112 | }; |
| 113 | |
| 114 | QT_END_NAMESPACE |
| 115 | |
| 116 | #endif // QT_NO_RAWFONT |
| 117 | |
| 118 | #endif // QRAWFONTPRIVATE_P_H |
| 119 |