ev_document_model_set_min_scale (window->model, MIN_SCALE * dpi / 72.0);
ev_document_model_set_max_scale (window->model, MAX_SCALE * dpi / 72.0);
ev_document_model_set_sizing_mode (window->model, EV_SIZING_FIT_WIDTH);
ev_document_model_set_min_scale (window->model, MIN_SCALE * dpi / 72.0);
ev_document_model_set_max_scale (window->model, MAX_SCALE * dpi / 72.0);
ev_document_model_set_sizing_mode (window->model, EV_SIZING_FIT_WIDTH);