kis_meta_data_io_backend.h

Go to the documentation of this file.

/*
 *  SPDX-FileCopyrightText: 2007 Cyrille Berger <cberger@cberger.net>
 *  SPDX-FileCopyrightText: 2021 L. E. Segovia <amy@amyspark.me>
 *
 *  SPDX-License-Identifier: LGPL-2.1-or-later
 */
 
#ifndef _KIS_META_DATA_IO_BACKEND_H_
#define _KIS_META_DATA_IO_BACKEND_H_
 
#include <kritametadata_export.h>
 
class QIODevice;
class QString;
 
namespace KisMetaData
{
class Store;
class KRITAMETADATA_EXPORT IOBackend
{
public:
    enum BackendType { Binary, Text };
 
    enum HeaderType {
        NoHeader, 
        JpegHeader 
    };
 
public:
    virtual ~IOBackend(){};
 
    virtual QString id() const = 0;
 
    virtual QString name() const = 0;
 
    virtual BackendType type() const = 0;
 
    virtual bool supportSaving() const = 0;
 
    virtual bool saveTo(const Store *store, QIODevice *ioDevice, HeaderType headerType = NoHeader) const = 0;
 
    virtual bool canSaveAllEntries(Store *store) const = 0;
 
    virtual bool supportLoading() const = 0;
 
    virtual bool loadFrom(Store *store, QIODevice *ioDevice) const = 0;
};
}
 
#endif