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// Copyright (C) 2023 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 QAPPLEICONENGINE_P_H
#define QAPPLEICONENGINE_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/qiconengine.h>
#include <QtCore/qhash.h>
#include <QtCore/private/qcore_mac_p.h>
Q_FORWARD_DECLARE_OBJC_CLASS(UIImage);
Q_FORWARD_DECLARE_OBJC_CLASS(NSImage);
QT_BEGIN_NAMESPACE
class Q_GUI_EXPORT QAppleIconEngine : public QIconEngine
{
public:
QAppleIconEngine(const QString &iconName);
~QAppleIconEngine();
static QIcon fromTheme(const QString &iconName);
QIconEngine *clone() const override;
QString key() const override;
QString iconName() override;
bool isNull() override;
QList<QSize> availableSizes(QIcon::Mode, QIcon::State) override;
QSize actualSize(const QSize &size, QIcon::Mode mode, QIcon::State state) override;
QPixmap pixmap(const QSize &size, QIcon::Mode mode, QIcon::State state) override;
QPixmap scaledPixmap(const QSize &size, QIcon::Mode mode, QIcon::State state, qreal scale) override;
void paint(QPainter *painter, const QRect &rect, QIcon::Mode mode, QIcon::State state) override;
static QList<QSize> availableIconSizes(double aspectRatio = 1.0);
void virtual_hook(int hookIdentifier, void *data) override;
private:
const QString m_iconName;
#if defined(Q_OS_MACOS)
const NSImage *m_image;
#elif defined(QT_PLATFORM_UIKIT)
const UIImage *m_image;
#endif
struct CacheKey {
constexpr CacheKey(QIcon::Mode mode, QIcon::State state, QSize size, qreal scale) noexcept
: modeAndState((quint64(mode) << 32) | state), size(size), scale(scale)
{}
quint64 modeAndState;
QSize size;
qreal scale;
friend constexpr bool operator==(const CacheKey &lhs, const CacheKey &rhs) noexcept
{
return lhs.modeAndState == rhs.modeAndState
&& lhs.size == rhs.size
&& lhs.scale == rhs.scale;
}
friend constexpr size_t qHash(const CacheKey &key, size_t seed) noexcept
{ return qHashMulti(seed, key.modeAndState, key.size, key.scale); }
};
mutable QHash<CacheKey, QPixmap> m_cache;
};
QT_END_NAMESPACE
#endif // QAPPLEICONENGINE_P_H
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