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channelioformat.h

// -*- c++ -*-

/*
 *
 * Copyright (C) 2002 Richard Moore <rich@kde.org>
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 * Boston, MA 02111-1307, USA.
 */

#ifndef CHANNELIOFORMAT_H
#define CHANNELIOFORMAT_H

#include <qcstring.h>
#include <qptrlist.h>
#include <qstring.h>

#include <pluginfactory.h>

class QIODevice;
class KSaveFile;
class ChannelStore;
class QtVision;

class ChannelIOFormatPrivate;
class ChannelFileMetaInfoPrivate;

class ChannelFileMetaInfo {
        public:
                const QString& name() const { return _name; }
                const QString& norm() const { return _norm; }
                void setName(QString x) { _name = x; }
                void setNorm(QString x) { _norm = x; }

        private:
                QString _name, _norm;
                ChannelFileMetaInfoPrivate *d;
};


class ChannelIOFormat
{
    friend class PluginFactory;
public:
    enum Flags {
        FormatRead = 0x1,
        FormatWrite = 0x2,
        FormatReadWrite = FormatRead | FormatWrite
    };

    ChannelIOFormat( const char *name, int flags = FormatReadWrite );
    virtual ~ChannelIOFormat() {}

    const char *name() const { return fmtName.data(); }

    bool canRead( const char *fmt=0 ) const;

    bool canWrite( const char *fmt=0 ) const;

    virtual bool handlesFile( const QString& filename, int rflags) const;

    bool load( ChannelStore *store, const QString &filename, const char *fmt);

    bool save( ChannelStore *store, const QString &filename, const char *fmt);

    virtual bool load( ChannelStore *store, QIODevice *file, const char *fmt );

    virtual bool save( ChannelStore *store, QIODevice *file, const char *fmt );

    ChannelFileMetaInfo getMetaInfo( const QString &filename, const char *fmt );
    virtual ChannelFileMetaInfo getMetaInfo( QIODevice *file, const char *fmt );

protected:
    PluginDesc _description;
    ChannelFileMetaInfo metaInfo;
    QtVision *_qtv;

private:
    QCString fmtName;
    int flags;
    ChannelIOFormatPrivate *d;
};

typedef QPtrList<ChannelIOFormat> ChannelIOFormatList;


#endif // CHANNELIOFORMAT_H

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