/* Copyright (C) 2003-2010 Jesper K. Pedersen <blackie@kde.org>

   This program is free software; you can redistribute it and/or
   modify it under the terms of the GNU General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This program 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
   General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; see the file COPYING.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/

#ifndef IMAGELOADERTHREAD_H
#define IMAGELOADERTHREAD_H

#include <QImage>
#include <qthread.h>

namespace ImageManager
{
class AsyncLoader;
class ImageRequest;
class ThumbnailStorage;

static const int maxJPEGMemorySize = (20 * 1024 * 1024);

class ImageLoaderThread : public QThread
{
public:
    ImageLoaderThread(size_t bufsize = maxJPEGMemorySize);
    ~ImageLoaderThread() override;

protected:
    void run() override;
    QImage loadImage(ImageRequest *request, bool &ok);
    static int calcLoadSize(ImageRequest *request);
    QImage scaleAndRotate(ImageRequest *request, QImage img);
    bool shouldImageBeScale(const QImage &img, ImageRequest *request);

private:
    char *m_imageLoadBuffer;
    size_t m_bufSize;
};
}

#endif /* IMAGELOADERTHREAD_H */

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