KoDerivedResourceConverter.h

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/*
 *  SPDX-FileCopyrightText: 2016 Dmitry Kazakov <dimula73@gmail.com>
 *
 *  SPDX-License-Identifier: GPL-2.0-or-later
 */
 
#ifndef __KO_DERIVED_RESOURCE_CONVERTER_H
#define __KO_DERIVED_RESOURCE_CONVERTER_H
 
#include <QScopedPointer>
#include <QSharedPointer>
#include "kritaflake_export.h"
 
class QVariant;
 
 class KRITAFLAKE_EXPORT KoDerivedResourceConverter
{
public:
    KoDerivedResourceConverter(int key, int sourceKey);
    virtual ~KoDerivedResourceConverter();
 
    int key() const;
    int sourceKey() const;
 
    QVariant readFromSource(const QVariant &value);
    QVariant writeToSource(const QVariant &value,
                           const QVariant &sourceValue,
                           bool *changed);
 
    virtual bool notifySourceChanged(const QVariant &sourceValue);
 
protected:
    virtual QVariant fromSource(const QVariant &value) = 0;
 
    virtual QVariant toSource(const QVariant &value, const QVariant &sourceValue) = 0;
 
private:
    struct Private;
    const QScopedPointer<Private> m_d;
};
 
typedef QSharedPointer<KoDerivedResourceConverter> KoDerivedResourceConverterSP;
 
#endif /* __KO_DERIVED_RESOURCE_CONVERTER_H */