if (!(g instanceof Graphics2D)) return;
Graphics2D g2 = (Graphics2D)g;
- g2.setColor(Color.black);
+ g2.setColor(Color.white);
for (int c = 0; c < 200; c++) {
g2.drawLine(0, c * CELL_HEIGHT, 5, c * CELL_HEIGHT); // 1/16
g2.drawLine(0, c * CELL_HEIGHT * halfBeat, 10, c * CELL_HEIGHT * halfBeat); // 1/8