void rotate_left(Ewl_Widget *w, void *event, void *data)
{
 unsigned int *im_data;
 int ew, eh;

 im_data = evas_object_image_data_get(EWL_IMAGE(image_view)->image, TRUE);
 ewl_object_current_size_get(EWL_OBJECT(image_view), &ew, &eh);

 evas_object_image_data_set(EWL_IMAGE(image_view)->image, im_data);
 evas_object_image_data_update_add(EWL_IMAGE(image_view)->image, 0, 0, ew, eh);
}