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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 QWINDOWSICONENGINE_H
#define QWINDOWSICONENGINE_H
#include <QtCore/qt_windows.h>
#include <QtGui/qfont.h>
#include <QtGui/qiconengine.h>
QT_BEGIN_NAMESPACE
class QWindowsIconEngine : public QIconEngine
{
public:
QWindowsIconEngine(const QString &iconName);
~QWindowsIconEngine();
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;
private:
static constexpr quint64 calculateCacheKey(QIcon::Mode mode, QIcon::State state)
{
return (quint64(mode) << 32) | state;
}
QString glyphs() const;
const QString m_iconName;
const QFont m_iconFont;
const QString m_glyphs;
mutable QPixmap m_pixmap;
mutable quint64 m_cacheKey = {};
};
QT_END_NAMESPACE
#endif // QWINDOWSICONENGINE_H
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