1 /* 2 * This program interprets melodic lines given in ABC notation as a chromesthete might. 3 * 4 * A Pitch class will be defined, and will take center stage in the processing. 5 * 6 * Interpreting a melody in ABC notation will amount to flashing colored rectangles for prescribed durations, 7 * while sounding the pitch! The color of the rectangle will correspond to pitch class. 8 * The duration will correspond to the duration of the note. 9 * 10 * For this first version of the program, the duration will be held constant at 1 beat. 11 * 12 * Three sorts of images will appear on the scree, the chromesthetic output box, a text input box, and an error message box. 13 * Simplicity of design is rendered by permitting only on box to be on the screen at a time. 14 * 15 * ABC represents notes in a manner consistent with these examples: 16 * C, D, E, C D E c d e 17 * 18 * Google ABC music representation if you would like ot know more about it. 19 */ 20 21 package chromesthesia2; 22 23 import chromesthesia2.Pitch; 24 import painter.SPainter; 25 26 import javax.swing.*; 27 import java.util.Scanner; 28 29 public class Chromesthesia { 30 //INFRASTRUCTURE FOR THE PROGRAM -- LAUNCHING A "GRAPHICS" THREAD 31 public static void main(String[] args){ 32 SwingUtilities.invokeLater(new chromesthesia2.Chromesthesia.ThreadForGUI()); 33 } 34 35 private static class ThreadForGUI implements Runnable{ 36 @Override 37 public void run(){ 38 new chromesthesia2.Chromesthesia(); 39 } 40 } 41 42 public Chromesthesia(){ 43 interpreter(); 44 } 45 46 //FEATURED VARIABLES 47 private static SPainter miro; 48 private static chromesthesia2.Pitch[] pitches; 49 50 //THE INTERPRETER 51 public static void interpreter(){ 52 initialization(); //miro and pitches 53 54 while(true){ 55 String input = getInput(); 56 if(input.equalsIgnoreCase("Exit")){ 57 break; 58 }else{ 59 try{ 60 playMelody(input,pitches); 61 } catch(Exception ex){ 62 showErrorMessage(ex.toString()); 63 } 64 } 65 } 66 cleanup(); //miro has to go 67 } 68 69 //METHODS PERTAINING TO THE CHROMESTHETIC PITCHES 70 71 private static chromesthesia2.Pitch[] establishPitches(SPainter painter){ 72 chromesthesia2.Pitch[] pitches = new chromesthesia2.Pitch[21]; 73 chromesthesia2.Pitch pitchMiddleC = new chromesthesia2.Pitch("C", painter); 74 pitches[0] = pitchMiddleC; 75 chromesthesia2.Pitch pitchLowC = new chromesthesia2.Pitch("C,",painter); 76 pitches[1] = pitchLowC; 77 chromesthesia2.Pitch pitchHighC = new chromesthesia2.Pitch("c",painter); 78 pitches[2] = pitchHighC; 79 chromesthesia2.Pitch pitchMiddleD = new chromesthesia2.Pitch("D",painter); 80 pitches[3] = pitchMiddleD; 81 chromesthesia2.Pitch pitchLowD = new chromesthesia2.Pitch("D,",painter); 82 pitches[4] = pitchLowD; 83 chromesthesia2.Pitch pitchHighD = new chromesthesia2.Pitch("d",painter); 84 pitches[5] = pitchHighD; 85 chromesthesia2.Pitch pitchMiddleE = new chromesthesia2.Pitch("E",painter); 86 pitches[6] = pitchMiddleE; 87 chromesthesia2.Pitch pitchLowE = new chromesthesia2.Pitch("E,",painter); 88 pitches[7] = pitchLowE; 89 chromesthesia2.Pitch pitchHighE = new chromesthesia2.Pitch("e",painter); 90 pitches[8] = pitchHighE; 91 chromesthesia2.Pitch pitchMiddleF = new chromesthesia2.Pitch("F",painter); 92 pitches[9] = pitchMiddleF; 93 chromesthesia2.Pitch pitchLowF = new chromesthesia2.Pitch("F,",painter); 94 pitches[10] = pitchLowF; 95 chromesthesia2.Pitch pitchHighF = new chromesthesia2.Pitch("f",painter); 96 pitches[11] = pitchHighF; 97 chromesthesia2.Pitch pitchMiddleG = new chromesthesia2.Pitch("G",painter); 98 pitches[12] = pitchMiddleG; 99 chromesthesia2.Pitch pitchLowG = new chromesthesia2.Pitch("G,",painter); 100 pitches[13] = pitchLowG; 101 chromesthesia2.Pitch pitchHighG = new chromesthesia2.Pitch("g",painter); 102 pitches[14] = pitchHighG; 103 chromesthesia2.Pitch pitchMiddleA = new chromesthesia2.Pitch("A",painter); 104 pitches[15] = pitchMiddleA; 105 chromesthesia2.Pitch pitchLowA = new chromesthesia2.Pitch("A,",painter); 106 pitches[16] = pitchLowA; 107 chromesthesia2.Pitch pitchHighA = new chromesthesia2.Pitch("a",painter); 108 pitches[17] = pitchHighA; 109 chromesthesia2.Pitch pitchMiddleB = new chromesthesia2.Pitch("B",painter); 110 pitches[18] = pitchMiddleB; 111 chromesthesia2.Pitch pitchLowB = new chromesthesia2.Pitch("B,",painter); 112 pitches[19] = pitchLowB; 113 chromesthesia2.Pitch pitchHighB = new chromesthesia2.Pitch("b",painter); 114 pitches[20] = pitchHighB; 115 116 return pitches; 117 } 118 119 private static chromesthesia2.Pitch find(String token, chromesthesia2.Pitch[] pitches) throws Exception{ 120 for( int i = 0; i < pitches.length; i = i + 1){ 121 chromesthesia2.Pitch pitch = pitches[i]; 122 if(pitch.abcName().equals(token)){ 123 return pitch; 124 } 125 } 126 throw new Exception("### PITCH " + token + " NOT FOUND"); 127 } 128 129 private static void display(chromesthesia2.Pitch[] pitches){ 130 for(int i = 0; i < pitches.length; i = i + 1){ 131 System.out.println(pitches[i].toString()); 132 } 133 } 134 private static void playMelody(String input, chromesthesia2.Pitch[] pitches) throws Exception{ 135 Scanner scanner = new Scanner(input); 136 while(scanner.hasNext()){ 137 String token = scanner.next(); 138 String pitchName; 139 String duration = ""; 140 if(token.indexOf(",") < 0){ 141 pitchName = token.substring(0,1); 142 duration = token.substring(1); 143 } else{ 144 pitchName = token.substring(0,2); 145 duration = token.substring(2); 146 } 147 if(duration.length() == 0){duration = "1";} 148 Pitch pitch = find(pitchName,pitches); 149 pitch.play(duration); 150 } 151 } 152 //INITIALIZATION, CLEANUP, GETTING INPUT, ERROR MESSAGING 153 154 static private void showErrorMessage(String message){ 155 miro.setVisible(false); 156 JOptionPane.showMessageDialog(null, message); 157 } 158 159 private static void initialization(){ 160 //ESTABLISH THE PAINTER AND GIVE IT A SUBSTANTIAL BRUSH WIDTH 161 miro = new SPainter("Chromesthesia",500,500); 162 miro.setVisible(false); 163 miro.setBrushWidth(7); 164 //ESTABLISH THE CHROMESTITIC PITCH CLASS OBJECTS 165 pitches = establishPitches(miro); 166 display(pitches); 167 } 168 169 private static String getInput(){ 170 miro.setVisible(false); 171 String label = "Please enter a melody in ABC notation, or EXIT... "; 172 String input = JOptionPane.showInputDialog(null,label); 173 miro.setVisible(true); 174 if(input == null){input = "";} 175 return input; 176 } 177 178 static private void cleanup(){ 179 System.exit(0); 180 } 181 } 182