/*

 * libopenraw - thumbnail.cpp

 *

 * Copyright (C) 2005-2016 Hubert Figuiere

 *

 * 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 3 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/>.

 */

#include <stdint.h>

#include <cstdlib>

#include <memory>

#include <libopenraw/consts.h>

#include "bitmapdata.hpp"

#include "rawfile.hpp"

#include "thumbnail.hpp"

namespace OpenRaw {

/** Private data for the thumbnail class */

class Thumbnail::Private {

public:

    Private() {}

    ~Private() {}

    Private(const Private &) = delete;

    Private &operator=(const Private &) = delete;

};

Thumbnail::Thumbnail() : BitmapData(), d(new Thumbnail::Private())

{

}

Thumbnail::~Thumbnail()

{

    delete d;

}

Thumbnail *Thumbnail::getAndExtractThumbnail(const char *_filename,

                                             uint32_t preferred_size,

                                             or_error &err)

{

    err = OR_ERROR_NONE;

    Thumbnail *thumb = NULL;

    std::unique_ptr<RawFile> file(RawFile::newRawFile(_filename));

    if (file) {

        thumb = new Thumbnail();

        err = file->getThumbnail(preferred_size, *thumb);

    } else {

        err = OR_ERROR_CANT_OPEN; // file error

    }

    return thumb;

}

}