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# qimagewriter.h

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    00001 /****************************************************************************
    00002 **
    00003 ** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
    00004 ** All rights reserved.
    00005 ** Contact: Nokia Corporation (qt-info@nokia.com)
    00006 **
    00007 ** This file is part of the QtGui module of the Qt Toolkit.
    00008 **
    00009 ** $QT_BEGIN_LICENSE:LGPL$
    00010 ** Commercial Usage
    00011 ** Licensees holding valid Qt Commercial licenses may use this file in
    00012 ** accordance with the Qt Commercial License Agreement provided with the
    00013 ** Software or, alternatively, in accordance with the terms contained in
    00014 ** a written agreement between you and Nokia.
    00015 **
    00016 ** GNU Lesser General Public License Usage
    00017 ** Alternatively, this file may be used under the terms of the GNU Lesser
    00018 ** General Public License version 2.1 as published by the Free Software
    00019 ** Foundation and appearing in the file LICENSE.LGPL included in the
    00020 ** packaging of this file.  Please review the following information to
    00021 ** ensure the GNU Lesser General Public License version 2.1 requirements
    00022 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
    00023 **
    00024 ** In addition, as a special exception, Nokia gives you certain additional
    00025 ** rights.  These rights are described in the Nokia Qt LGPL Exception
    00026 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this module.
    00027 **
    00028 ** GNU General Public License Usage
    00029 ** Alternatively, this file may be used under the terms of the GNU
    00030 ** General Public License version 3.0 as published by the Free Software
    00031 ** Foundation and appearing in the file LICENSE.GPL included in the
    00032 ** packaging of this file.  Please review the following information to
    00033 ** ensure the GNU General Public License version 3.0 requirements will be
    00034 ** met: http://www.gnu.org/copyleft/gpl.html.
    00035 **
    00036 ** If you have questions regarding the use of this file, please contact
    00037 ** Nokia at qt-info@nokia.com.
    00038 ** $QT_END_LICENSE$
    00039 **
    00040 ****************************************************************************/
    00041
    00042 #ifndef QIMAGEWRITER_H
    00043 #define QIMAGEWRITER_H
    00044
    00045 #include <QtCore/qbytearray.h>
    00046 #include <QtCore/qlist.h>
    00047 #include <QtGui/qimageiohandler.h>
    00048
    00049 QT_BEGIN_HEADER
    00050
    00051 QT_BEGIN_NAMESPACE
    00052
    00053 QT_MODULE(Gui)
    00054
    00055 class QIODevice;
    00056 class QImage;
    00057
    00058 class QImageWriterPrivate;
    00059 class Q_GUI_EXPORT QImageWriter
    00060 {
    00061 public:
    00062     enum ImageWriterError {
    00063         UnknownError,
    00064         DeviceError,
    00065         UnsupportedFormatError
    00066     };
    00067
    00068     QImageWriter();
    00069     explicit QImageWriter(QIODevice *device, const QByteArray &format);
    00070     explicit QImageWriter(const QString &fileName, const QByteArray &format = QByteArray());
    00071     ~QImageWriter();
    00072
    00073     void setFormat(const QByteArray &format);
    00074     QByteArray format() const;
    00075
    00076     void setDevice(QIODevice *device);
    00077     QIODevice *device() const;
    00078
    00079     void setFileName(const QString &fileName);
    00080     QString fileName() const;
    00081
    00082     void setQuality(int quality);
    00083     int quality() const;
    00084
    00085     void setCompression(int compression);
    00086     int compression() const;
    00087
    00088     void setGamma(float gamma);
    00089     float gamma() const;
    00090
    00091     // Obsolete as of 4.1
    00092     void setDescription(const QString &description);
    00093     QString description() const;
    00094
    00095     void setText(const QString &key, const QString &text);
    00096
    00097     bool canWrite() const;
    00098     bool write(const QImage &image);
    00099
    00100     ImageWriterError error() const;
    00101     QString errorString() const;
    00102
    00103     bool supportsOption(QImageIOHandler::ImageOption option) const;
    00104
    00105     static QList<QByteArray> supportedImageFormats();
    00106
    00107 private:
    00108     Q_DISABLE_COPY(QImageWriter)
    00109     QImageWriterPrivate *d;
    00110 };
    00111
    00112 QT_END_NAMESPACE
    00113
    00114 QT_END_HEADER
    00115
    00116 #endif // QIMAGEWRITER_H