gdouble gtk_print_context_get_height (GtkPrintContext *context);
gdouble gtk_print_context_get_dpi_x (GtkPrintContext *context);
gdouble gtk_print_context_get_dpi_y (GtkPrintContext *context);
gdouble gtk_print_context_get_height (GtkPrintContext *context);
gdouble gtk_print_context_get_dpi_x (GtkPrintContext *context);
gdouble gtk_print_context_get_dpi_y (GtkPrintContext *context);