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tqtinterface/qtinterface/qt4/Qt/qiconengine.h

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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QICONENGINE_H
#define QICONENGINE_H
#include <QtCore/qglobal.h>
#include <QtCore/qlist.h>
#include <QtGui/qicon.h>
QT_BEGIN_HEADER
QT_BEGIN_NAMESPACE
QT_MODULE(Gui)
class Q_GUI_EXPORT QIconEngine
{
public:
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);
#if 0
virtual int frameCount(QIcon::Mode fromMode, QIcon::State fromState, QIcon::Mode toMode, QIcon::State toState);
virtual void paintFrame(QPainter *painter, const QRect &rect, int frameNumber, QIcon::Mode fromMode, QIcon::State fromState, QIcon::Mode toMode, QIcon::State toState);
#endif
};
// ### Qt 5: move the below into QIconEngine
class Q_GUI_EXPORT QIconEngineV2 : public QIconEngine
{
public:
virtual QString key() const;
virtual QIconEngineV2 *clone() const;
virtual bool read(QDataStream &in);
virtual bool write(QDataStream &out) const;
virtual void virtual_hook(int id, void *data);
public:
enum IconEngineHook { AvailableSizesHook = 1 };
struct AvailableSizesArgument
{
QIcon::Mode mode;
QIcon::State state;
QList<QSize> sizes;
};
// ### Qt 5: make this function const and virtual.
QList<QSize> availableSizes(QIcon::Mode mode = QIcon::Normal,
QIcon::State state = QIcon::Off);
};
QT_END_NAMESPACE
QT_END_HEADER
#endif // QICONENGINE_H