/****************************************************************************

**

** 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.

**

** $QT_BEGIN_LICENSE:LGPL$

** No Commercial Usage

** This file contains pre-release code and may not be distributed.

** You may use this file in accordance with the terms and conditions

** contained in the Technology Preview License Agreement accompanying

** this package.

**

** 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.

**

** If you have questions regarding the use of this file, please contact

** Nokia at qt-info@nokia.com.

**

**

**

**

**

**

**

**

** $QT_END_LICENSE$

**

****************************************************************************/

#ifndef QIMAGEWRITER_H

#define QIMAGEWRITER_H

#include <QtCore/qbytearray.h>

#include <QtCore/qlist.h>

#include <QtGui/qimageiohandler.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

class QIODevice;

class QImage;

class QImageWriterPrivate;

class Q_GUI_EXPORT QImageWriter

{

public:

    enum ImageWriterError {

        UnknownError,

        DeviceError,

        UnsupportedFormatError

    };

    QImageWriter();

    explicit QImageWriter(QIODevice *device, const QByteArray &format);

    explicit QImageWriter(const QString &fileName, const QByteArray &format = QByteArray());

    ~QImageWriter();

    void setFormat(const QByteArray &format);

    QByteArray format() const;

    void setDevice(QIODevice *device);

    QIODevice *device() const;

    void setFileName(const QString &fileName);

    QString fileName() const;

    void setQuality(int quality);

    int quality() const;

    void setCompression(int compression);

    int compression() const;

    void setGamma(float gamma);

    float gamma() const;

    // Obsolete as of 4.1

    void setDescription(const QString &description);

    QString description() const;

    void setText(const QString &key, const QString &text);

    bool canWrite() const;

    bool write(const QImage &image);

    ImageWriterError error() const;

    QString errorString() const;

    bool supportsOption(QImageIOHandler::ImageOption option) const;

    static QList<QByteArray> supportedImageFormats();

private:

    Q_DISABLE_COPY(QImageWriter)

    QImageWriterPrivate *d;

};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QIMAGEWRITER_H