MooViewCounter.java

   1 import javax.swing.*;
   2 import java.awt.*;
   3
   4 /**
   5  *
   6  *
   7  * @author  Andersson, Andreen, Lanneskog, Pehrson
   8  * @version 1
   9  */
  10
  11 public class MooViewCounter extends JPanel {
  12
  13         private int measure, halfBeat, beat, halfNote;
  14         private static final int CELL_HEIGHT = 10;
  15
  16         /**
  17          * Creates an musical ruler depending on the timesignature
  18          */
  19
  20         public MooViewCounter (int timeSig1, int timeSig2) {
  21                 setBackground(Moosique.getGUI().bgColor);
  22                 setPreferredSize(new Dimension(35, 200 * CELL_HEIGHT));
  23
  24                 switch (timeSig2) {
  25                         case  16: measure = timeSig1;           // 1/16
  26                                 break;
  27                         case  8: measure = timeSig1 * 2;        // 1/16
  28                                  halfBeat = measure / timeSig1; // 1/8
  29                                 break;
  30                         case  4: measure = timeSig1 * 4;        // 1/16
  31                                  halfBeat = beat / 2;           // 1/8
  32                                  beat = measure / timeSig1;     // 1/4
  33                                 break;
  34                         case  2: measure = timeSig1 * 8;        // 1/16
  35                                  halfBeat = beat / 2;           // 1/8
  36                                  beat = halfNote / 2;           // 1/4
  37                                  halfNote = measure / timeSig1; // 1/2
  38                                 break;
  39                         case  1: measure = timeSig1 * 16;       // 1/16
  40                                  halfBeat = beat / 2;           // 1/8
  41                                  beat = halfNote / 2;           // 1/4
  42                                  halfNote = measure / 2;        // 1/2
  43                                 break;
  44                 }
  45
  46         }
  47         public void paintComponent(Graphics g) {
  48                 super.paintComponent(g);
  49                 setBackground(Color.black);
  50
  51                 if (!(g instanceof Graphics2D)) return;
  52                 Graphics2D g2 = (Graphics2D)g;
  53                 g2.setColor(Color.white);
  54                 for (int c = 0; c < 200; c++) {
  55                         g2.drawLine(0, c * CELL_HEIGHT, 5, c * CELL_HEIGHT);                                    // 1/16
  56                         g2.drawLine(0, c * CELL_HEIGHT * halfBeat, 10, c * CELL_HEIGHT * halfBeat);             // 1/8
  57                         g2.drawLine(0, c * CELL_HEIGHT * beat, 15, c * CELL_HEIGHT * beat);                     // 1/4
  58                         g2.drawLine(0, c * CELL_HEIGHT * halfNote, 20, c * CELL_HEIGHT * halfNote);             // 1/2
  59                         g2.drawLine(0, c * CELL_HEIGHT * measure, 30, c * CELL_HEIGHT * measure);               // 1/1
  60                 }
  61         }
  62 }