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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 QICONENGINE_H
#define QICONENGINE_H
#include <QtGui/qtguiglobal.h>
#include <QtCore/qlist.h>
#include <QtGui/qicon.h>
QT_BEGIN_NAMESPACE
class Q_GUI_EXPORT QIconEngine
{
public:
QIconEngine();
virtual ~QIconEngine();
virtual void paint(QPainter *painter, const QRect &rect, QIcon::Mode mode, QIcon::State state) = 0;
virtual QSize actualSize(const QSize &size, QIcon::Mode mode, QIcon::State state);
virtual QPixmap pixmap(const QSize &size, QIcon::Mode mode, QIcon::State state);
virtual void addPixmap(const QPixmap &pixmap, QIcon::Mode mode, QIcon::State state);
virtual void addFile(const QString &fileName, const QSize &size, QIcon::Mode mode, QIcon::State state);
virtual QString key() const;
virtual QIconEngine *clone() const = 0;
virtual bool read(QDataStream &in);
virtual bool write(QDataStream &out) const;
virtual QList<QSize> availableSizes(QIcon::Mode mode = QIcon::Normal,
QIcon::State state = QIcon::Off);
virtual QString iconName();
virtual bool isNull();
virtual QPixmap scaledPixmap(const QSize &size, QIcon::Mode mode, QIcon::State state, qreal scale);
enum IconEngineHook { IsNullHook = 3, ScaledPixmapHook };
struct ScaledPixmapArgument
{
QSize size;
QIcon::Mode mode;
QIcon::State state;
qreal scale;
QPixmap pixmap;
};
virtual void virtual_hook(int id, void *data);
protected:
QIconEngine(const QIconEngine &other);
private:
QIconEngine &operator=(const QIconEngine &other) = delete;
};
QT_END_NAMESPACE
#endif // QICONENGINE_H
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