2 * Copyright © 2012 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; version 2 of the License.
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
13 * You should have received a copy of the GNU General Public License along
14 * with this program; if not, write to the Free Software Foundation, Inc.,
15 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
18 package org.altusmetrum.altoslib_1;
20 public abstract class AltosUnits {
22 public abstract double value(double v);
24 public abstract String show_units();
26 public abstract String say_units();
28 public abstract int show_fraction(int width);
34 private String show_format(int width) {
35 return String.format("%%%d.%df %s", width, show_fraction(width), show_units());
38 private String say_format() {
39 return String.format("%%1.%df", say_fraction());
42 private String say_units_format() {
43 return String.format("%%1.%df %s", say_fraction(), say_units());
46 public String graph_format(int width) {
47 return String.format(String.format("%%%d.%df", width, show_fraction(width)), 0.0);
50 public String show(int width, double v) {
51 return String.format(show_format(width), value(v));
54 public String say(double v) {
55 return String.format(say_format(), value(v));
58 public String say_units(double v) {
59 return String.format(say_units_format(), value(v));