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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.daw;
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20
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21 import uk.ac.qmul.eecs.depic.patterns.Sequence;
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22
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23 /**
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24 *
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25 * This class represent a value in an Automation. An automation is a set of line envelopes and
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26 * a value represent one end of an automation line.
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27 *
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28 * Therefore an automation value normally points to where the automation changes its slope.
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29 *
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30 * Since an automation is a 2D graph
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31 *
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32 *
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33 */
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34 public abstract class AutomationValue implements Comparable<AutomationValue>, Sequence.Value {
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35 private float position;
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36 /* ranges from 0.0 to 1.0 */
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37 private float value;
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38
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39 public AutomationValue(float position, float value){
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40 this.position = position;
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41 this.value = value;
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42 }
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43
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44 public void setTimePosition(float position){
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45 this.position = position;
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46 }
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47
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48 /**
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49 * Returns the position of this automation value in milliseconds
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50 *
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51 * The position represents where this value is on time
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52 *
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53 * @return the position of this automation value in milliseconds
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54 */
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55 public float getTimePosition() {
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56 return position;
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57 }
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58
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59 public float getValue() {
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60 return value;
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61 }
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62
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63 public void setValue(float value) {
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64 this.value = value;
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65 }
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66
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67
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68 public void setLocation(float position, float value){
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69 setTimePosition(position);
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70 setValue(value);
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71 }
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72
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73 /**
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74 * Returns the enclosing Automation.
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75 *
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76 * @return the enclosing Automation.
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77 */
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78 public abstract Automation getAutomation();
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79
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80 @Override
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81 public int compareTo(AutomationValue v) {
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82 if(v == null)
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83 return 1;
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84 if(position < v.getTimePosition())
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85 return -1;
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86 else if(position > v.getTimePosition())
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87 return 1;
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88 else
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89 return 0;
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90 }
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91
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92 @Override
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93 public String toString(){
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94 return "Automation Value. position:"+position+" value:"+value;
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95 }
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96
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97 }
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