39 lines
1.2 KiB
Java
39 lines
1.2 KiB
Java
import java.awt.*;
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import static java.awt.Color.*;
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import javax.swing.*;
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public class ColourPinstripeDisplay extends JPanel {
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final static Color[] palette = {black, red, green, blue, magenta,cyan,
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yellow, white};
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final int bands = 4;
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public ColourPinstripeDisplay() {
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setPreferredSize(new Dimension(900, 600));
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}
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@Override
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public void paintComponent(Graphics g) {
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super.paintComponent(g);
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int h = getHeight();
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for (int b = 1; b <= bands; b++) {
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for (int x = 0, colIndex = 0; x < getWidth(); x += b, colIndex++) {
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g.setColor(palette[colIndex % palette.length]);
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g.fillRect(x, (b - 1) * (h / bands), x + b, b * (h / bands));
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}
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}
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}
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public static void main(String[] args) {
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SwingUtilities.invokeLater(() -> {
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JFrame f = new JFrame();
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f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
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f.setTitle("ColourPinstripeDisplay");
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f.add(new ColourPinstripeDisplay(), BorderLayout.CENTER);
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f.pack();
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f.setLocationRelativeTo(null);
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f.setVisible(true);
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});
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}
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}
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