void DrawImages(QPainter painter)
{
painter.DrawImage(5, 15, colorImage);
painter.DrawImage(5, colorImage.Height + 10, grayscaleImage);
}
protected void paint(QPainter p, QStyleOptionGraphicsItem option)
{
p.DrawImage(option.ExposedRect, image, Option.ExposedRect, Qt::OrderedAlphaDither);
}