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1 /*
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2 Cross-Modal DAW Prototype - Prototype of a simple Cross-Modal Digital Audio Workstation.
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3
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4 Copyright (C) 2015 Queen Mary University of London (http://depic.eecs.qmul.ac.uk/)
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5
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6 This program is free software: you can redistribute it and/or modify
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7 it under the terms of the GNU General Public License as published by
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8 the Free Software Foundation, either version 3 of the License, or
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9 (at your option) any later version.
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10
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11 This program is distributed in the hope that it will be useful,
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12 but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 GNU General Public License for more details.
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15
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16 You should have received a copy of the GNU General Public License
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17 along with this program. If not, see <http://www.gnu.org/licenses/>.
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18 */
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19 package uk.ac.qmul.eecs.depic.patterns;
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20
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21 /**
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22 *
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23 * Immutable class containing two comparable number which represent the start and the end of a range.
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24 *
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25 *
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26 * @param <T>
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27 */
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28 public class Range<T extends Number & Comparable<T> > {
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29 protected T start;
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30 protected T end;
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31
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32 public Range(T t1, T t2){
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33 if(t1.compareTo(t2) < 1){
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34 start = t1;
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35 end = t2;
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36 }else{
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37 start = t2;
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38 end = t1;
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39 }
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40 }
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41
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42 /**
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43 * Creates a new instance by comparing {@code mm1} and {@code mm2}.
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44 *
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45 * The minimum of this object will be the minimum value between {@code mm1.getMin()} and {@code mm2.getMin()}.
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46 * The maximum of this object will be the maximum value between {@code mm1.getMax()} and {@code mm2.getMax()}.
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47 *
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48 * @param r1 the former Range whose min and max are to be compared
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49 * @param r2 the latter Range whose min and max are to be compared
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50 */
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51 public Range(Range<T> r1, Range<T> r2){
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52 if(r1.getStart().compareTo(r2.getStart()) < 0){ // if the minimum of mm1 is less than the minimum of mm2
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53 start = r1.getStart(); // then min is the minimum of mm1
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54 }else{ // else
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55 start = r2.getStart(); // min is the minimum of mm2
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56 }
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57
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58 if(r1.getEnd().compareTo(r2.getEnd()) > 0){ // if the maximum of mm1 is greater than the maximum of mm2
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59 end = r1.getEnd(); // then max is the maximum of mm1
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60 }else{ // else
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61 end = r2.getEnd(); // max is the maximum of mm2
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62 }
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63 }
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64
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65 protected Range(){
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66 // empty range
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67 }
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68
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69 public T getStart() {
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70 return start;
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71 }
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72 public T getEnd() {
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73 return end;
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74 }
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75
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76 public float lenght(){
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77 return getEnd().floatValue() - getStart().floatValue();
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78 }
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79
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80 @Override
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81 public String toString(){
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82 return "Range ["+ getStart()+","+getEnd()+"]";
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83 }
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84
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85 public static final Range<Float> NORMALIZED_RANGE_F = new Range<>(0.0f,1.0f);
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86 public static final Range<Double> NORMALIZED_RANGE_D = new Range<>(0.0,1.0);
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87 }
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88
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