hw4: init

hw4/src/ShapeDisplayer.java

@@ -0,0 +1,71 @@
+import javax.swing.*;
+import java.awt.*;
+import java.awt.geom.Rectangle2D;
+
+public class ShapeDisplayer {
+    public static void main(String[] args) {
+        // Create and configure the main frame on the Event Dispatch Thread
+        SwingUtilities.invokeLater(() -> {
+            JFrame frame = new JFrame("Mancala");
+            frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+            frame.setSize(800, 400);
+
+            // Create buttons panel
+            JPanel buttonPanel = new JPanel();
+            buttonPanel.setLayout(new FlowLayout());
+
+            // Create placeholder shapes
+            JButton carButton = new JButton(new PlaceholderIcon(Color.RED));
+            JButton snowmanButton = new JButton(new PlaceholderIcon(Color.BLUE));
+            JButton compositeButton = new JButton(new PlaceholderIcon(Color.GREEN));
+
+
+            // Add buttons to the panel
+            buttonPanel.add(carButton);
+            buttonPanel.add(snowmanButton);
+            buttonPanel.add(compositeButton);
+
+            // Add buttons panel to the top of the frame
+            frame.add(buttonPanel, BorderLayout.NORTH);
+
+            // Add drawing panel
+            JPanel drawingPanel = new JPanel();
+            drawingPanel.setBackground(Color.WHITE);
+            frame.add(drawingPanel, BorderLayout.CENTER);
+
+            // Center the frame on the screen and make it visible
+            frame.setLocationRelativeTo(null);
+            frame.setVisible(true);
+        });
+    }
+}
+
+class PlaceholderIcon implements Icon {
+    private final Color color;
+    private static final int WIDTH = 60;
+    private static final int HEIGHT = 40;
+
+    public PlaceholderIcon(Color color) {
+        this.color = color;
+    }
+
+    @Override
+    public void paintIcon(Component c, Graphics g, int x, int y) {
+        Graphics2D g2 = (Graphics2D) g;
+        Rectangle2D.Double rect = new Rectangle2D.Double(x + 5, y + 5, WIDTH - 10, HEIGHT - 10);
+        g2.setColor(color);
+        g2.fill(rect);
+        g2.setColor(Color.BLACK);
+        g2.draw(rect);
+    }
+
+    @Override
+    public int getIconWidth() {
+        return WIDTH;
+    }
+
+    @Override
+    public int getIconHeight() {
+        return HEIGHT;
+    }
+}