/*
* Computoser is a music-composition algorithm and a website to present the results
* Copyright (C) 2012-2014 Bozhidar Bozhanov
*
* Computoser is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* Computoser is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with Computoser. If not, see <http://www.gnu.org/licenses/>.
*/
package com.music.tools;
import java.awt.Color;
import java.awt.Graphics;
import java.io.File;
import java.io.FileReader;
import java.io.Reader;
import java.util.ArrayList;
import java.util.List;
import javax.swing.JFrame;
import javax.swing.JPanel;
import org.xml.sax.InputSource;
import org.xml.sax.XMLReader;
import org.xml.sax.helpers.XMLReaderFactory;
import com.music.tools.SongDBAnalyzer.NoteContentHandler;
public class SongChart {
public static void main(String[] args) throws Exception {
File file = new File("C:\\workspace\\music\\analysis\\db\\" + "21.xml");
XMLReader xr = XMLReaderFactory.createXMLReader();
NoteContentHandler handler = new NoteContentHandler();
xr.setContentHandler(handler);
try (Reader reader = new FileReader(file)) {
try {
xr.parse(new InputSource(reader));
} catch (Exception ex) {
System.out.println(file.getName());
throw ex;
}
}
List<NoteElement> noteList = handler.getNotes();
List<Integer> pitches = new ArrayList<Integer>();
for (NoteElement element : noteList) {
if (element != null && !element.isRest()) {
pitches.add(60 + element.getScaleDegree() + element.getOctave() * 7);
}
}
JFrame frame = new JFrame();
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.setBounds(0, 0, 500, 500);
frame.setVisible(true);
GraphicsPanel gp = new GraphicsPanel(pitches);
frame.setContentPane(gp);
}
public static class GraphicsPanel extends JPanel {
private List<Integer> notes;
public GraphicsPanel(List<Integer> notes) {
this.notes = notes;
}
@Override
protected void paintComponent(Graphics g) {
Integer previousNote = null;
int currentX = 20;
g.setColor(Color.RED);
for (Integer note : notes) {
if (previousNote == null) {
previousNote = note;
continue;
}
g.drawLine(currentX - 20, (80 - previousNote) * 4, currentX, (80 - note) * 4);
previousNote = note;
currentX += 20;
}
}
}
}