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// 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 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 <QtGui/private/qtguiglobal_p.h>
#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(nullptr)
, hintingPreference(QFont::PreferDefaultHinting)
, thread(nullptr)
{}
QRawFontPrivate(const QRawFontPrivate &other)
: fontEngine(other.fontEngine)
, hintingPreference(other.hintingPreference)
, thread(other.thread)
{
#ifndef QT_NO_DEBUG
Q_ASSERT(fontEngine == nullptr || thread == QThread::currentThread());
#endif
if (fontEngine != nullptr)
fontEngine->ref.ref();
}
~QRawFontPrivate()
{
#ifndef QT_NO_DEBUG
Q_ASSERT(ref.loadRelaxed() == 0);
#endif
cleanUp();
}
inline void cleanUp()
{
setFontEngine(nullptr);
hintingPreference = QFont::PreferDefaultHinting;
}
inline bool isValid() const
{
#ifndef QT_NO_DEBUG
Q_ASSERT(fontEngine == nullptr || thread == QThread::currentThread());
#endif
return fontEngine != nullptr;
}
inline void setFontEngine(QFontEngine *engine)
{
#ifndef QT_NO_DEBUG
Q_ASSERT(fontEngine == nullptr || thread == QThread::currentThread());
#endif
if (fontEngine == engine)
return;
if (fontEngine != nullptr) {
if (!fontEngine->ref.deref())
delete fontEngine;
#ifndef QT_NO_DEBUG
thread = nullptr;
#endif
}
fontEngine = engine;
if (fontEngine != nullptr) {
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