[Ch14] Formatting MiniMusicPlayer3 (e2861c1c) · Commits · examples / Head First Java 3rd Edition

src/main/java/ch14/MiniMusicPlayer3.java

+16 −19

Changes for src/main/java/ch14/MiniMusicPlayer3.java: 16 added lines, 19 removed lines.
Original line number	Diff line number	Diff line
		package ch14;

		import javax.sound.midi.*;
		import java.io.*;
		import javax.swing.*;
		import java.awt.*;
		import java.awt.Color;
		import java.awt.Graphics;

		public class MiniMusicPlayer3 {

		static JFrame f = new JFrame("My First Music Video");
		static MyDrawPanel ml;

		public static void main(String[] args) {
		MiniMusicPlayer3 mini = new MiniMusicPlayer3();
		mini.go();
		} // close method

		}

		public void setUpGui() {
		ml = new MyDrawPanel();
		f.setContentPane(ml);
		f.setBounds(30, 30, 300, 300);
		f.setVisible(true);
		} // close method
		}

		public void go() {
		setUpGui();

		try {

		Sequencer sequencer = MidiSystem.getSequencer();
		sequencer.open();
		sequencer.addControllerEventListener(ml, new int[]{127});
		@@ -41,13 +38,15 @@ public class MiniMusicPlayer3 {
		track.add(makeEvent(144, 1, r, 100, i));
		track.add(makeEvent(176, 1, 127, 0, i));
		track.add(makeEvent(128, 1, r, 100, i + 2));
		} // end loop
		}

		sequencer.setSequence(seq);
		sequencer.start();
		sequencer.setTempoInBPM(120);
		} catch (Exception ex) {ex.printStackTrace();}
		} // close method
		} catch (Exception ex) {
		ex.printStackTrace();
		}
		}


		public MidiEvent makeEvent(int comd, int chan, int one, int two, int tick) {
		@@ -57,10 +56,10 @@ public class MiniMusicPlayer3 {
		a.setMessage(comd, chan, one, two);
		event = new MidiEvent(a, tick);

		}catch(Exception e) { }
		} catch (Exception e) {
		}
		return event;
		} // close method

		}


		class MyDrawPanel extends JPanel implements ControllerEventListener {
		@@ -73,7 +72,6 @@ public class MiniMusicPlayer3 {

		public void paintComponent(Graphics g) {
		if (msg) {

		int r = (int) (Math.random() * 250);
		int gr = (int) (Math.random() * 250);
		int b = (int) (Math.random() * 250);
		@@ -88,9 +86,8 @@ public class MiniMusicPlayer3 {

		g.fillRect(x, y, ht, width);
		msg = false;
		}
		}
		}

		} // close if
		} // close method
		} // close inner class

		} // close class
		No newline at end of file
		}
		No newline at end of file