#include "loadrunable.h"
#include "imageringlist.h"
#include <libraw/libraw.h>

LoadRunable::LoadRunable(const QString &file, Image *receiver) :
    m_file(file),
    m_receiver(receiver)
{
}

void LoadRunable::run()
{
    if(!m_receiver->isCurrent())
    {
        return;
    }

    if(m_file.endsWith(".CR2", Qt::CaseInsensitive))
    {
        LibRaw raw;
        raw.open_file(m_file.toLocal8Bit().data());
        raw.imgdata.params.half_size = true;
        raw.imgdata.params.use_camera_wb = true;
        raw.imgdata.params.user_flip = 0;
        raw.unpack();
        raw.dcraw_process();
        libraw_processed_image_t *rawImg = raw.dcraw_make_mem_image();
        QImage img(rawImg->width, rawImg->height, QImage::Format_RGB888);

        uint scanLine = rawImg->width*rawImg->colors;
        for(uint i=0; i<rawImg->height; i++)
        {
            memcpy(img.scanLine(i), rawImg->data+(i*scanLine), scanLine);
        }
        raw.dcraw_clear_mem(rawImg);
        QMetaObject::invokeMethod(m_receiver, "imageLoaded", Qt::QueuedConnection, Q_ARG(QImage, img));
    }
    else
    {
        QImage img(m_file);
        QMetaObject::invokeMethod(m_receiver, "imageLoaded", Qt::QueuedConnection, Q_ARG(QImage, img));
    }
}