qpictureformatplugin.h

Go to the documentation of this file.

/****************************************************************************
**
** 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 module.
**
** 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 QPICTUREFORMATPLUGIN_H
#define QPICTUREFORMATPLUGIN_H

#include <QtCore/qplugin.h>
#include <QtCore/qfactoryinterface.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

#if !defined(QT_NO_LIBRARY) && !defined(QT_NO_PICTURE)

class QPicture;
class QImage;
class QString;
class QStringList;

struct Q_GUI_EXPORT QPictureFormatInterface : public QFactoryInterface
{
    virtual bool loadPicture(const QString &format, const QString &filename, QPicture *) = 0;
    virtual bool savePicture(const QString &format, const QString &filename, const QPicture &) = 0;

    virtual bool installIOHandler(const QString &) = 0;
};

#define QPictureFormatInterface_iid "com.trolltech.Qt.QPictureFormatInterface"
Q_DECLARE_INTERFACE(QPictureFormatInterface, QPictureFormatInterface_iid)


class Q_GUI_EXPORT QPictureFormatPlugin : public QObject, public QPictureFormatInterface
{
    Q_OBJECT
    Q_INTERFACES(QPictureFormatInterface:QFactoryInterface)
public:
    explicit QPictureFormatPlugin(QObject *parent = 0);
    ~QPictureFormatPlugin();

    virtual QStringList keys() const = 0;
    virtual bool loadPicture(const QString &format, const QString &filename, QPicture *pic);
    virtual bool savePicture(const QString &format, const QString &filename, const QPicture &pic);
    virtual bool installIOHandler(const QString &format) = 0;

};

#endif // QT_NO_LIBRARY || QT_NO_PICTURE

QT_END_NAMESPACE

QT_END_HEADER

#endif // QPICTUREFORMATPLUGIN_H