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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or (at your option) the GNU General
** Public license version 3 or any later version approved by the KDE Free
** Qt Foundation. The licenses are as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-2.0.html and
** https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#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();
QIconEngine(const QIconEngine &other); // ### Qt6: make protected
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;
enum IconEngineHook { AvailableSizesHook = 1, IconNameHook, IsNullHook, ScaledPixmapHook };
struct AvailableSizesArgument
{
QIcon::Mode mode;
QIcon::State state;
QList<QSize> sizes;
};
virtual QList<QSize> availableSizes(QIcon::Mode mode = QIcon::Normal,
QIcon::State state = QIcon::Off) const;
virtual QString iconName() const;
bool isNull() const; // ### Qt6 make virtual
QPixmap scaledPixmap(const QSize &size, QIcon::Mode mode, QIcon::State state, qreal scale); // ### Qt6 make virtual
struct ScaledPixmapArgument
{
QSize size;
QIcon::Mode mode;
QIcon::State state;
qreal scale;
QPixmap pixmap;
};
// ### Qt6: move content to proper virtual functions
virtual void virtual_hook(int id, void *data);
private:
QIconEngine &operator=(const QIconEngine &other) Q_DECL_EQ_DELETE;
};
#if QT_DEPRECATED_SINCE(5, 0)
typedef QIconEngine QIconEngineV2;
#endif
QT_END_NAMESPACE
#endif // QICONENGINE_H
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