| /**************************************************************************** |
| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtGui module of the Qt Toolkit. |
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| ** $QT_BEGIN_LICENSE:LGPL21$ |
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| ****************************************************************************/ |
| |
| #ifndef QRAWFONTPRIVATE_P_H |
| #define QRAWFONTPRIVATE_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include "qrawfont.h" |
| |
| #include "qfontengine_p.h" |
| #include <QtCore/qthread.h> |
| #include <QtCore/qthreadstorage.h> |
| |
| #if !defined(QT_NO_RAWFONT) |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace { class CustomFontFileLoader; } |
| class Q_GUI_EXPORT QRawFontPrivate |
| { |
| public: |
| QRawFontPrivate() |
| : fontEngine(0) |
| , hintingPreference(QFont::PreferDefaultHinting) |
| , thread(0) |
| {} |
| |
| QRawFontPrivate(const QRawFontPrivate &other) |
| : fontEngine(other.fontEngine) |
| , hintingPreference(other.hintingPreference) |
| , thread(other.thread) |
| { |
| #ifndef QT_NO_DEBUG |
| Q_ASSERT(fontEngine == 0 || thread == QThread::currentThread()); |
| #endif |
| if (fontEngine != 0) |
| fontEngine->ref.ref(); |
| } |
| |
| ~QRawFontPrivate() |
| { |
| #ifndef QT_NO_DEBUG |
| Q_ASSERT(ref.load() == 0); |
| #endif |
| cleanUp(); |
| } |
| |
| inline void cleanUp() |
| { |
| setFontEngine(0); |
| hintingPreference = QFont::PreferDefaultHinting; |
| } |
| |
| inline bool isValid() const |
| { |
| #ifndef QT_NO_DEBUG |
| Q_ASSERT(fontEngine == 0 || thread == QThread::currentThread()); |
| #endif |
| return fontEngine != 0; |
| } |
| |
| inline void setFontEngine(QFontEngine *engine) |
| { |
| #ifndef QT_NO_DEBUG |
| Q_ASSERT(fontEngine == 0 || thread == QThread::currentThread()); |
| #endif |
| if (fontEngine == engine) |
| return; |
| |
| if (fontEngine != 0) { |
| if (!fontEngine->ref.deref()) |
| delete fontEngine; |
| #ifndef QT_NO_DEBUG |
| thread = 0; |
| #endif |
| } |
| |
| fontEngine = engine; |
| |
| if (fontEngine != 0) { |
| fontEngine->ref.ref(); |
| #ifndef QT_NO_DEBUG |
| thread = QThread::currentThread(); |
| Q_ASSERT(thread); |
| #endif |
| } |
| } |
| |
| void loadFromData(const QByteArray &fontData, |
| qreal pixelSize, |
| QFont::HintingPreference hintingPreference); |
| |
| static QRawFontPrivate *get(const QRawFont &font) { return font.d.data(); } |
| |
| QFontEngine *fontEngine; |
| QFont::HintingPreference hintingPreference; |
| QAtomicInt ref; |
| |
| private: |
| QThread *thread; |
| }; |
| |
| QT_END_NAMESPACE |
| |
| #endif // QT_NO_RAWFONT |
| |
| #endif // QRAWFONTPRIVATE_P_H |