src/gui/image/qxpmhandler_p.h
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Wed, 23 Jun 2010 19:07:03 +0300
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/****************************************************************************
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**
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** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** All rights reserved.
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** Contact: Nokia Corporation (qt-info@nokia.com)
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**
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** This file is part of the QtGui module of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** No Commercial Usage
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** This file contains pre-release code and may not be distributed.
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** You may use this file in accordance with the terms and conditions
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** contained in the Technology Preview License Agreement accompanying
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** this package.
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**
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** GNU Lesser General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** General Public License version 2.1 as published by the Free Software
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** Foundation and appearing in the file LICENSE.LGPL included in the
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** packaging of this file.  Please review the following information to
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** ensure the GNU Lesser General Public License version 2.1 requirements
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** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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**
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** In addition, as a special exception, Nokia gives you certain additional
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** rights.  These rights are described in the Nokia Qt LGPL Exception
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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**
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** If you have questions regarding the use of this file, please contact
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** Nokia at qt-info@nokia.com.
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**
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**
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**
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**
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**
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**
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**
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QXPMHANDLER_P_H
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#define QXPMHANDLER_P_H
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//
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//  W A R N I N G
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//  -------------
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//
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// This file is not part of the Qt API.  It exists for the convenience
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// of the QLibrary class.  This header file may change from
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// version to version without notice, or even be removed.
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//
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// We mean it.
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//
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#include "QtGui/qimageiohandler.h"
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#ifndef QT_NO_IMAGEFORMAT_XPM
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QT_BEGIN_NAMESPACE
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class QXpmHandler : public QImageIOHandler
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{
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public:
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    QXpmHandler();
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    bool canRead() const;
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    bool read(QImage *image);
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    bool write(const QImage &image);
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    static bool canRead(QIODevice *device);
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    QByteArray name() const;
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    QVariant option(ImageOption option) const;
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    void setOption(ImageOption option, const QVariant &value);
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    bool supportsOption(ImageOption option) const;
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private:
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    bool readHeader();
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    bool readImage(QImage *image);
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    enum State {
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        Ready,
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        ReadHeader,
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        Error
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    };
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    State state;
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    int width;
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    int height;
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    int ncols;
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    int cpp;
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    QByteArray buffer;
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    int index;
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    QString fileName;
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};
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QT_END_NAMESPACE
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#endif // QT_NO_IMAGEFORMAT_XPM
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#endif // QXPMHANDLER_P_H