Merge pull request #599 from PranikaBaby/qrgen

Added QR Generator using given string

Author: Ayushparikh-code

multiplayerchess.java

@@ -0,0 +1,78 @@
+import javax.swing.*;
+import java.awt.*;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+public class ChessGame {
+    private JFrame frame;
+    private JButton[][] boardButtons;
+    private String currentPlayer = "White";
+
+    public ChessGame() {
+        frame = new JFrame("Multiplayer Chess Game");
+        boardButtons = new JButton[8][8];
+        frame.setLayout(new GridLayout(8, 8));
+        initializeBoard();
+        frame.setSize(600, 600);
+        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
+        frame.setVisible(true);
+    }
+
+    // Initialize the board with buttons
+    private void initializeBoard() {
+        for (int row = 0; row < 8; row++) {
+            for (int col = 0; col < 8; col++) {
+                JButton button = new JButton();
+                button.setBackground((row + col) % 2 == 0 ? Color.WHITE : Color.GRAY);
+                button.setOpaque(true);
+                button.setBorderPainted(false);
+                boardButtons[row][col] = button;
+                button.addActionListener(new ButtonClickListener(row, col));
+                frame.add(button);
+            }
+        }
+        setupInitialPieces();
+    }
+
+    // Set up the initial positions of the pieces
+    private void setupInitialPieces() {
+        // For simplicity, setting up only pawns. Add other pieces as needed.
+        for (int col = 0; col < 8; col++) {
+            boardButtons[1][col].setText("P"); // Black pawns
+            boardButtons[6][col].setText("P"); // White pawns
+        }
+        // Add other pieces (King, Queen, Rook, Knight, Bishop) here
+    }
+
+    // Handle button click events
+    private class ButtonClickListener implements ActionListener {
+        private int row;
+        private int col;
+
+        public ButtonClickListener(int row, int col) {
+            this.row = row;
+            this.col = col;
+        }
+
+        @Override
+        public void actionPerformed(ActionEvent e) {
+            JButton clickedButton = boardButtons[row][col];
+            if (clickedButton.getText().isEmpty()) {
+                System.out.println(currentPlayer + " clicked on an empty square at (" + row + ", " + col + ")");
+            } else {
+                System.out.println(currentPlayer + " clicked on a piece at (" + row + ", " + col + ")");
+            }
+            switchPlayer();
+        }
+    }
+
+    // Switch the current player
+    private void switchPlayer() {
+        currentPlayer = currentPlayer.equals("White") ? "Black" : "White";
+        System.out.println("Current player: " + currentPlayer);
+    }
+
+    public static void main(String[] args) {
+        SwingUtilities.invokeLater(ChessGame::new);
+    }
+}

qrgenerator.java

@@ -0,0 +1,40 @@
+import com.google.zxing.BarcodeFormat;
+import com.google.zxing.EncodeHintType;
+import com.google.zxing.qrcode.QRCodeWriter;
+import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
+import com.google.zxing.common.BitMatrix;
+import com.google.zxing.client.j2se.MatrixToImageWriter;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.FileSystems;
+import java.nio.file.Path;
+import java.util.HashMap;
+import java.util.Map;
+
+public class QRCodeGenerator {
+    public static void main(String[] args) {
+        String text = "Hello, QR Code!"; // Text to encode in QR code
+        String filePath = "QRCode.png"; // Output file path
+        int width = 300; // QR code image width
+        int height = 300; // QR code image height
+
+        // Create a map for encoding hints
+        Map<EncodeHintType, ErrorCorrectionLevel> hints = new HashMap<>();
+        hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L);
+
+        try {
+            // Generate the QR code matrix
+            QRCodeWriter qrCodeWriter = new QRCodeWriter();
+            BitMatrix bitMatrix = qrCodeWriter.encode(text, BarcodeFormat.QR_CODE, width, height, hints);
+
+            // Save the QR code image
+            Path path = FileSystems.getDefault().getPath(filePath);
+            MatrixToImageWriter.writeToPath(bitMatrix, "PNG", path);
+
+            System.out.println("QR Code generated successfully: " + filePath);
+        } catch (Exception e) {
+            System.out.println("Error while generating QR Code: " + e.getMessage());
+        }
+    }
+}