public void paintComponent(Graphics g) {
super.paintComponent(g);
// Clear screen.
g.setColor(Color.white);
g.fillRect(0, 0, getWidth(), getHeight());
// draw entire component grey
g.setColor(Fonts.sub_color);
g.fillRect(0, 0, getWidth(), getHeight());
// Write title.
g.setColor(Color.BLACK);
g.setFont(Fonts.big);
g.drawString("Ear", 20, 150);
g.drawString("Training", 20, 200);
// Write "Choose Difficulty".
g.setFont(Fonts.italic);
g.drawString("Choose Difficulty", 20, 300);
// Draw piano image
keyboard.setDimensions(250, 0, getWidth(), getHeight());
keyboard.paintComponent(g);
mainMenu.paintComponent(g);
}
@Override
protected void paintComponent(Graphics g) {
if (numberGroup == null) return; // No display if count is null
super.paintComponent(g);
// Find the panel size and bar width and interval dynamically
int width = getWidth();
int height = getHeight();
int interval = (width - 40) / numberGroup.length;
int individualWidth = (int) (((width - 40) / numberGroup.length) * 0.9);
// The maximum count has the highest bar
int maxCount = numberGroup.length;
// x is the start position for the first bar in the histogram
int x = 20;
/*
* Draw a horizontal base line
*/
g.drawLine(10, height - 45, width - 10, height - 45); // 45 pixels from bottom
for (int i = 0; i < numberGroup.length; i++) {
// Find the bar height
int barHeight = (int) (((double) numberGroup[i] / (double) maxCount) * (height - 55));
/*
* Display a rectangle bar, set color according to the height
*/
// g.setColor(new Color(255,128,i*25));
setRectColor(g, i);
g.fillRect(x, height - 45 - barHeight, individualWidth, barHeight);
// Display the number under the base line
g.drawString((i + 1) + "", x, height - 30);
// Move x for displaying the next number
x += interval;
}
}