5 وبـــس

import java.awt.Color; import java.awt.Graphics2D; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import java.util.Hashtable; import javax.imageio.ImageIO; import com.google.zxing.BarcodeFormat; import com.google.zxing.EncodeHintType; import com.google.zxing.WriterException; import com.google.zxing.common.BitMatrix; import com.google.zxing.qrcode.QRCodeWriter; import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel; public class QRGenerator { public static void main(String[] args) { int width = 300; int height = 300; String fileType = "png"; File file = new File("qr-code." + fileType); String qrCodeText = "Hello, World!"; String filePath = "C:/Users/user/Desktop/"; try { Hashtable hintMap = new Hashtable(); hintMap.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.L); QRCodeWriter qrCodeWriter = new QRCodeWriter(); BitMatrix byteMatrix = qrCodeWriter.encode(qrCodeText, BarcodeFormat.QR_CODE, width, height, hintMap); int CrunchifyWidth = byteMatrix.getWidth(); BufferedImage image = new BufferedImage(CrunchifyWidth, CrunchifyWidth, BufferedImage.TYPE_INT_RGB); image.createGraphics(); Graphics2D graphics = (Graphics2D) image.getGraphics(); graphics.setColor(Color.WHITE); graphics.fillRect(0, 0, CrunchifyWidth, CrunchifyWidth); graphics.setColor(Color.BLACK); for (int i = 0; i < CrunchifyWidth; i++) { for (int j = 0; j < CrunchifyWidth; j++) { if (byteMatrix.get(i, j)) { graphics.fillRect(i, j, 1, 1); } } } ImageIO.write(image, fileType, file); } catch (WriterException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } System.out.println("\n\nYou have successfully created QR Code."); } }

QR Code Generator