Below snippet reads information from ITF code.
BinaryBitmap binaryBitmap = new BinaryBitmap(new HybridBinarizer(new BufferedImageLuminanceSource(ImageIO.read(new FileInputStream(filePath)))));
Result result = new MultiFormatReader().decode(binaryBitmap);
String info = result.getText();
Find the below working application.
ITFFormatUtil.java
package com.sample.app.util;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.nio.charset.Charset;
import java.nio.file.Paths;
import java.util.HashMap;
import java.util.Map;
import javax.imageio.ImageIO;
import com.google.zxing.BarcodeFormat;
import com.google.zxing.BinaryBitmap;
import com.google.zxing.EncodeHintType;
import com.google.zxing.MultiFormatReader;
import com.google.zxing.MultiFormatWriter;
import com.google.zxing.NotFoundException;
import com.google.zxing.Result;
import com.google.zxing.client.j2se.BufferedImageLuminanceSource;
import com.google.zxing.client.j2se.MatrixToImageWriter;
import com.google.zxing.common.BitMatrix;
import com.google.zxing.common.HybridBinarizer;
import com.google.zxing.qrcode.decoder.ErrorCorrectionLevel;
public class ITFFormatUtil {
public static boolean generateCode(String message, String filePath, Charset encodingFormat, int imageWidth,
int imageHeight) {
try {
Map<EncodeHintType, ErrorCorrectionLevel> hashMap = new HashMap<EncodeHintType, ErrorCorrectionLevel>();
hashMap.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.H);
BitMatrix bitMatrix = new MultiFormatWriter().encode(new String(message.getBytes(encodingFormat)),
BarcodeFormat.ITF, imageWidth, imageHeight);
String fileFormat = filePath.substring(filePath.lastIndexOf('.') + 1);
MatrixToImageWriter.writeToPath(bitMatrix, fileFormat, Paths.get(filePath));
return true;
} catch (Exception e) {
e.printStackTrace();
return false;
}
}
public static String getInfoFromCode(String filePath, Charset encodingFormat)
throws FileNotFoundException, IOException, NotFoundException {
BinaryBitmap binaryBitmap = new BinaryBitmap(
new HybridBinarizer(new BufferedImageLuminanceSource(ImageIO.read(new FileInputStream(filePath)))));
Result result = new MultiFormatReader().decode(binaryBitmap);
return result.getText();
}
}
ITFFormatDemo.java
package com.sample.app;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import com.google.zxing.NotFoundException;
import com.sample.app.util.Aztec2DBarcodeUtil;
import com.sample.app.util.ITFFormatUtil;
public class ITFFormatDemo {
public static void main(String args[]) throws FileNotFoundException, NotFoundException, IOException {
String filePath = "/Users/Shared/secret.png";
boolean isQRCodeGenerated = ITFFormatUtil.generateCode("010111001110", filePath, StandardCharsets.UTF_8,
400, 100);
if (isQRCodeGenerated) {
System.out.println("code generated successfully");
} else {
System.out.println("code generation failed");
}
String information = Aztec2DBarcodeUtil.getInfoFromCode(filePath, StandardCharsets.UTF_8);
System.out.println("Retrieved message is : " + information);
}
}
Output
code generated successfully Retrieved message is : 010111001110
Generated secret.png
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