/* * This program interprets melodic lines given in ABC notation as a chromesthete might. * A Pitch class will be defined, and will take center stage in the processing. * Interpreting a melody in ABC notation will amount to flashing colored rectangles for prescribed * durations, while sounding the pitch! The color of the rectangle will correspond to pitch class. * The duration will correspond to the duration of the note. * For this first version of the program, the duration will be held constant at 1 beat. * Three sorts of images will appear on the screen, the chromesthetic output box, a text input * box, and an error message box. Simplicity of design is rendered by permitting only one box to * be on the screen at a time. * ABC represents notes in a manner consistent with these examples: C,D,E, C D E c d e * Google ABC music representation if you would like to know more about it. */ package chromesthesia2; import chromesthesia2.Pitch; import painter.SPainter; import javax.swing.*; import java.util.Scanner; public class Chromesthesia { // infrastructure for the program -- launching a "graphics" thread public static void main (String[] args) { SwingUtilities.invokeLater(new ThreadForGUI()); } private static class ThreadForGUI implements Runnable { @Override public void run() { new Chromesthesia(); } } public Chromesthesia() { interpreter(); } // featured variables private static SPainter miro; private static Pitch[] pitches; // the interpreter public static void interpreter() { initialization(); // miro and pitches String previousState = ""; while (true) { String input = getInput(); if (input.equalsIgnoreCase("EXIT")) { break; } else if (input.equalsIgnoreCase("AGAIN")) { if (previousState != ""){ try { playMelody(previousState,pitches); } catch (Exception ex) { showErrorMessage(ex.toString()); } } else { showErrorMessage("There is no previous state"); } } else { previousState = input; try { playMelody(input,pitches); } catch (Exception ex) { showErrorMessage(ex.toString()); } } } cleanup(); // miro has to go } private static void playMelodyAgain(String input, Pitch[] pitches) { } // methods pertaining to the chromesthetic pitches private static Pitch[] establishPitches(SPainter painter){ Pitch[] pitches = new Pitch[21]; Pitch pitchMiddleC = new Pitch("C",painter); pitches[0] = pitchMiddleC; Pitch pitchLowC = new Pitch("C,",painter); pitches[1] = pitchLowC; Pitch pitchHighC = new Pitch("c",painter); pitches[2] = pitchHighC; Pitch pitchMiddleD = new Pitch("D",painter); pitches[3] = pitchMiddleD; Pitch pitchLowD = new Pitch("D,",painter); pitches[4] = pitchLowD; Pitch pitchHighD = new Pitch("d",painter); pitches[5] = pitchHighD; Pitch pitchMiddleE = new Pitch("E",painter); pitches[6] = pitchMiddleE; Pitch pitchLowE = new Pitch("E,",painter); pitches[7] = pitchLowE; Pitch pitchHighE = new Pitch("e",painter); pitches[8] = pitchHighE; Pitch pitchMiddleF = new Pitch("F",painter); pitches[9] = pitchMiddleF; Pitch pitchLowF = new Pitch("F,",painter); pitches[10] = pitchLowF; Pitch pitchHighF = new Pitch("f",painter); pitches[11] = pitchHighF; Pitch pitchMiddleG = new Pitch("G",painter); pitches[12] = pitchMiddleG; Pitch pitchLowG = new Pitch("G,",painter); pitches[13] = pitchLowG; Pitch pitchHighG = new Pitch("g",painter); pitches[14] = pitchHighG; Pitch pitchMiddleA = new Pitch("A",painter); pitches[15] = pitchMiddleA; Pitch pitchLowA = new Pitch("A,",painter); pitches[16] = pitchLowA; Pitch pitchHighA = new Pitch("a",painter); pitches[17] = pitchHighA; Pitch pitchMiddleB = new Pitch("B",painter); pitches[18] = pitchMiddleB; Pitch pitchLowB = new Pitch("B,",painter); pitches[19] = pitchLowB; Pitch pitchHighB = new Pitch("b",painter); pitches[20] = pitchHighB; return pitches; } private static Pitch find (String token, Pitch[] pitches) throws Exception { for (int i = 0; i < pitches.length; i++) { Pitch pitch = pitches[i]; if (pitch.abcName().equals(token)){ return pitch; } } throw new Exception ("### PITCH " + token + "NOT FOUND"); } private static void display (Pitch[] pitches) { for (int i = 0; i < pitches.length; i++){ System.out.println(pitches[i].toString()); } } private static void playMelody(String input, Pitch[] pitches) throws Exception { Scanner scanner = new Scanner(input); while (scanner.hasNext()){ String token = scanner.next(); String pitchName; String duration = ""; if ( token.indexOf(",")<0){ pitchName = token.substring(0,1); duration = token.substring(1); } else { pitchName = token.substring(0,2); duration = token.substring(2); } if ( duration.length() == 0) { duration = "1";} Pitch pitch = find(pitchName,pitches); pitch.play(duration); } } // initialization, cleanup, getting input, error messaging static private void showErrorMessage(String message) { miro.setVisible(false); JOptionPane.showMessageDialog(null,message); } private static void initialization(){ // establish the painter and give it a substantial brush width miro = new SPainter("Chromesthesia",500,500); miro.setVisible(false); miro.setBrushWidth(7); // establish the chromestitic pitch class objects pitches = establishPitches(miro); display(pitches); } private static String getInput(){ miro.setVisible(false); String label = "Please enter a melody in ABC notation, or EXIT ... "; String input = JOptionPane.showInputDialog(null,label); miro.setVisible(true); if (input == null) {input = "";} return input; } static private void cleanup() { System.exit(0); } }