/*
 * Copyright (C) 2014 Sune Vuorela <sune@vuorela.dk>
 * Copyright (C) 2016-2024 Matthias Klumpp <matthias@tenstral.net>
 *
 * Licensed under the GNU Lesser General Public License Version 2.1
 *
 * This library is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 2.1 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 Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this library.  If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef APPSTREAMQT_IMAGE_H
#define APPSTREAMQT_IMAGE_H

#include <QSharedDataPointer>
#include <QObject>
#include "appstreamqt_export.h"

class QUrl;
class QString;
struct _AsImage;
namespace AppStream
{

class ImageData;

/**
 * A reference to an image that can be accessed via a URL
 *
 * This class doesn't contain any image data, but only a reference to
 * an url and the expected size for the image.
 *
 * "expected size" means that the data is read out from the AppStream metadata.
 * Discrepancies between the data and the actual data are very rare, but might happen.
 * image at the end of the url.
 */
class APPSTREAMQT_EXPORT Image
{
    Q_GADGET

public:
    enum Kind {
        KindUnknown,
        KindSource,
        KindThumbnail
    };
    Q_ENUM(Kind)

    Image();
    Image(_AsImage *img);
    Image(const Image &other);
    ~Image();

    Image &operator=(const Image &other);

    /**
     * \returns the internally stored AsImage
     */
    _AsImage *cPtr() const;

    /**
     * \return the kind of image
     */
    Kind kind() const;
    void setKind(Kind kind);

    /**
     * \return the url for this image
     */
    const QUrl url() const;
    void setUrl(const QUrl &url);

    /**
     * \return the expected width of this image
     */
    uint width() const;
    void setWidth(uint width);

    /**
     * \return the expected height of this image
     */
    uint height() const;
    void setHeight(uint height);

    /**
     * \returns the expected size of the image
     */
    QSize size() const;

private:
    QSharedDataPointer<ImageData> d;
};
}

APPSTREAMQT_EXPORT QDebug operator<<(QDebug s, const AppStream::Image &image);

#endif // APPSTREAMQT_IMAGE_H