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qxpmhandler_p.h

/****************************************************************************
**
** Copyright (C) 1992-2007 Trolltech ASA. All rights reserved.
**
** This file is part of the QtGui module of the Qt Toolkit.
**
** This file may be used under the terms of the GNU General Public
** License version 2.0 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 GNU
** General Public Licensing requirements will be met:
** http://www.trolltech.com/products/qt/opensource.html
**
** If you are unsure which license is appropriate for your use, please
** review the following information:
** http://www.trolltech.com/products/qt/licensing.html or contact the
** sales department at sales@trolltech.com.
**
** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
**
****************************************************************************/

#ifndef QXPMHANDLER_P_H
#define QXPMHANDLER_P_H

//
//  W A R N I N G
//  -------------
//
// This file is not part of the Qt API.  It exists for the convenience
// of the QLibrary class.  This header file may change from
// version to version without notice, or even be removed.
//
// We mean it.
//

#include "QtGui/qimageiohandler.h"

#ifndef QT_NO_IMAGEFORMAT_XPM

class QXpmHandler : public QImageIOHandler
{
public:
    QXpmHandler();
    bool canRead() const;
    bool read(QImage *image);
    bool write(const QImage &image);

    static bool canRead(QIODevice *device);

    QByteArray name() const;

    QVariant option(ImageOption option) const;
    void setOption(ImageOption option, const QVariant &value);
    bool supportsOption(ImageOption option) const;

private:
    bool readHeader();
    bool readImage(QImage *image);
    enum State {
        Ready,
        ReadHeader,
        Error
    };
    State state;
    int width;
    int height;
    int ncols;
    int cpp;
    QByteArray buffer;
    int index;
    QString fileName;
};

#endif // QT_NO_IMAGEFORMAT_XPM

#endif // QXPMHANDLER_P_H

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