In this tutorial, we are going to introduce how to invisiblize the textual data in the middle of creating a Barcode&QR code using Spire.Barcode for Java and its settings.setShowText(false); method.
Invisiblize the Textual Data When Creating a Barcode
import com.spire.barcode.BarCodeGenerator; import com.spire.barcode.BarCodeType; import com.spire.barcode.BarcodeSettings; import javax.imageio.ImageIO; import java.awt.*; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; public class CreateBarcode { public static void main(String[] args) throws IOException { BarcodeSettings settings = new BarcodeSettings();//Instantiate BarcodeSettings object settings.setType(BarCodeType.Codabar);//Set the Barcode type settings.setData("123456789");//Set the Barcode data settings.setShowText(false);//Make the textual data invisible settings.setShowTextOnBottom(true);//Make the textual data visible at the bottom of the Barcode settings.setX(0.8f);//Set width for the black and white stripes settings.setImageHeight(50);//Set height for the created Barcode image settings.setImageWidth(70);//Set width for the created Barcode image settings.hasBorder(true);//Make the border visible settings.setBorderColor(new Color(135,206,250));//Set the border color settings.setBorderWidth(1);//Set the border width settings.setBackColor(new Color(240,255,255));//Set background color for the Barcode BarCodeGenerator barCodeGenerator = new BarCodeGenerator(settings);//Instantiage BarCodeGenerator object BufferedImage bufferedImage = barCodeGenerator.generateImage();//Generate image data based on settings and save it to BufferedImage instance ImageIO.write(bufferedImage, "png", new File("Codabar.png"));//Save the Barcode as PNG } }
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Invisiblize the Textual Data When Creating a QR code
import com.spire.barcode.*; import javax.imageio.ImageIO; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; public class CreateQR { public static void main(String[] args) throws IOException { BarcodeSettings settings = new BarcodeSettings();//Instantiate BarcodeSettings object settings.setType(BarCodeType.QR_Code);//Set Barcode type as QR code settings.setData("Hello 123456789");//Set the data settings.setShowText(false);// Make the textual data invisible settings.setQRCodeDataMode(QRCodeDataMode.Alpha_Number);//Set data mode settings.setImageWidth(50);// Set widthfor the created QR code image settings.setImageHeight(50);// Set height for the created QR code image settings.setX(3.0f);//Set width for QR code model settings.setQRCodeECL(QRCodeECL.H);//Set QR code ECL settings.hasBorder(false);//make the border invisible BarCodeGenerator barCodeGenerator = new BarCodeGenerator(settings);//Instantiage BarCodeGenerator object BufferedImage bufferedImage = barCodeGenerator.generateImage();//Generate image data based on settings and save it to BufferedImage instance ImageIO.write(bufferedImage, "png", new File("QRCode.png"));//Save the QR code as PNG } }
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